diff --git a/build/spacekit.js b/build/spacekit.js
index 6bdd77f..a5973ad 100644
--- a/build/spacekit.js
+++ b/build/spacekit.js
@@ -1,8 +1,8 @@
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this.set(1,0,0,0,1,0,0,0,1),this}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){let t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[3],l=n[6],c=n[1],u=n[4],h=n[7],d=n[2],f=n[5],p=n[8],v=i[0],x=i[3],g=i[6],m=i[1],y=i[4],w=i[7],M=i[2],S=i[5],A=i[8];return r[0]=a*v+o*m+l*M,r[3]=a*x+o*y+l*S,r[6]=a*g+o*w+l*A,r[1]=c*v+u*m+h*M,r[4]=c*x+u*y+h*S,r[7]=c*g+u*w+h*A,r[2]=d*v+f*m+p*M,r[5]=d*x+f*y+p*S,r[8]=d*g+f*w+p*A,this}multiplyScalar(e){let t=this.elements;return 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this.set(n*l,n*c,-n*(l*a+c*o)+a+e,-i*c,i*l,-i*(-c*a+l*o)+o+t,0,0,1),this}scale(e,t){let n=this.elements;return n[0]*=e,n[3]*=e,n[6]*=e,n[1]*=t,n[4]*=t,n[7]*=t,this}rotate(e){let t=Math.cos(e),n=Math.sin(e),i=this.elements,r=i[0],a=i[3],o=i[6],l=i[1],c=i[4],u=i[7];return i[0]=t*r+n*l,i[3]=t*a+n*c,i[6]=t*o+n*u,i[1]=-n*r+t*l,i[4]=-n*a+t*c,i[7]=-n*o+t*u,this}translate(e,t){let n=this.elements;return n[0]+=e*n[2],n[3]+=e*n[5],n[6]+=e*n[8],n[1]+=t*n[2],n[4]+=t*n[5],n[7]+=t*n[8],this}equals(e){let t=this.elements,n=e.elements;for(let i=0;i<9;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return new this.constructor().fromArray(this.elements)}};vt.prototype.isMatrix3=!0;var dr,$n=class{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement=="undefined")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{dr===void 0&&(dr=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),dr.width=e.width,dr.height=e.height;let n=dr.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=dr}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}},fg=0,xt=class extends Ht{constructor(e=xt.DEFAULT_IMAGE,t=xt.DEFAULT_MAPPING,n=Mt,i=Mt,r=ke,a=Si,o=gt,l=rt,c=1,u=_t){super();Object.defineProperty(this,"id",{value:fg++}),this.uuid=jt(),this.name="",this.image=e,this.mipmaps=[],this.mapping=t,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new z(0,0),this.repeat=new z(1,1),this.center=new z(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new vt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=u,this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return new this.constructor().copy(this)}copy(e){return this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this}toJSON(e){let t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];let n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(this.image!==void 0){let i=this.image;if(i.uuid===void 0&&(i.uuid=jt()),!t&&e.images[i.uuid]===void 0){let r;if(Array.isArray(i)){r=[];for(let a=0,o=i.length;a<o;a++)i[a].isDataTexture?r.push(Fl(i[a].image)):r.push(Fl(i[a]))}else r=Fl(i);e.images[i.uuid]={uuid:i.uuid,url:r}}n.image=i.uuid}return t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==ga)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case bs:e.x=e.x-Math.floor(e.x);break;case Mt:e.x=e.x<0?0:1;break;case As:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case bs:e.y=e.y-Math.floor(e.y);break;case Mt:e.y=e.y<0?0:1;break;case As:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&this.version++}};xt.DEFAULT_IMAGE=void 0;xt.DEFAULT_MAPPING=ga;xt.prototype.isTexture=!0;function Fl(s){return typeof HTMLImageElement!="undefined"&&s instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&s instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&s instanceof ImageBitmap?$n.getDataURL(s):s.data?{data:Array.prototype.slice.call(s.data),width:s.width,height:s.height,type:s.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}var je=class{constructor(e=0,t=0,n=0,i=1){this.x=e,this.y=t,this.z=n,this.w=i}get 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t,n,i,r,a=.01,o=.1,l=e.elements,c=l[0],u=l[4],h=l[8],d=l[1],f=l[5],p=l[9],v=l[2],x=l[6],g=l[10];if(Math.abs(u-d)<a&&Math.abs(h-v)<a&&Math.abs(p-x)<a){if(Math.abs(u+d)<o&&Math.abs(h+v)<o&&Math.abs(p+x)<o&&Math.abs(c+f+g-3)<o)return this.set(1,0,0,0),this;t=Math.PI;let y=(c+1)/2,w=(f+1)/2,M=(g+1)/2,S=(u+d)/4,A=(h+v)/4,C=(p+x)/4;return y>w&&y>M?y<a?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(y),i=S/n,r=A/n):w>M?w<a?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(w),n=S/i,r=C/i):M<a?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(M),n=A/r,i=C/r),this.set(n,i,r,t),this}let m=Math.sqrt((x-p)*(x-p)+(h-v)*(h-v)+(d-u)*(d-u));return Math.abs(m)<.001&&(m=1),this.x=(x-p)/m,this.y=(h-v)/m,this.z=(d-u)/m,this.w=Math.acos((c+f+g-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t,n){return n!==void 0&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}};je.prototype.isVector4=!0;var ut=class extends Ht{constructor(e,t,n={}){super();this.width=e,this.height=t,this.depth=1,this.scissor=new je(0,0,e,t),this.scissorTest=!1,this.viewport=new je(0,0,e,t),this.texture=new xt(void 0,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.isRenderTargetTexture=!0,this.texture.image={width:e,height:t,depth:1},this.texture.generateMipmaps=n.generateMipmaps!==void 0?n.generateMipmaps:!1,this.texture.internalFormat=n.internalFormat!==void 0?n.internalFormat:null,this.texture.minFilter=n.minFilter!==void 0?n.minFilter:ke,this.depthBuffer=n.depthBuffer!==void 0?n.depthBuffer:!0,this.stencilBuffer=n.stencilBuffer!==void 0?n.stencilBuffer:!1,this.depthTexture=n.depthTexture!==void 0?n.depthTexture:null}setTexture(e){e.image={width:this.width,height:this.height,depth:this.depth},this.texture=e}setSize(e,t,n=1){(this.width!==e||this.height!==t||this.depth!==n)&&(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.image=Nu({},this.texture.image),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}};ut.prototype.isWebGLRenderTarget=!0;var Ol=class extends ut{constructor(e,t,n){super(e,t);let i=this.texture;this.texture=[];for(let r=0;r<n;r++)this.texture[r]=i.clone()}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let i=0,r=this.texture.length;i<r;i++)this.texture[i].image.width=e,this.texture[i].image.height=t,this.texture[i].image.depth=n;this.dispose()}return this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t),this}copy(e){this.dispose(),this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.set(0,0,this.width,this.height),this.scissor.set(0,0,this.width,this.height),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this.texture.length=0;for(let t=0,n=e.texture.length;t<n;t++)this.texture[t]=e.texture[t].clone();return this}};Ol.prototype.isWebGLMultipleRenderTargets=!0;var Fi=class extends ut{constructor(e,t,n){super(e,t,n);this.samples=4}copy(e){return super.copy.call(this,e),this.samples=e.samples,this}};Fi.prototype.isWebGLMultisampleRenderTarget=!0;var ht=class{constructor(e=0,t=0,n=0,i=1){this._x=e,this._y=t,this._z=n,this._w=i}static slerp(e,t,n,i){return console.warn("THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead."),n.slerpQuaternions(e,t,i)}static slerpFlat(e,t,n,i,r,a,o){let l=n[i+0],c=n[i+1],u=n[i+2],h=n[i+3],d=r[a+0],f=r[a+1],p=r[a+2],v=r[a+3];if(o===0){e[t+0]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h;return}if(o===1){e[t+0]=d,e[t+1]=f,e[t+2]=p,e[t+3]=v;return}if(h!==v||l!==d||c!==f||u!==p){let x=1-o,g=l*d+c*f+u*p+h*v,m=g>=0?1:-1,y=1-g*g;if(y>Number.EPSILON){let M=Math.sqrt(y),S=Math.atan2(M,g*m);x=Math.sin(x*S)/M,o=Math.sin(o*S)/M}let w=o*m;if(l=l*x+d*w,c=c*x+f*w,u=u*x+p*w,h=h*x+v*w,x===1-o){let M=1/Math.sqrt(l*l+c*c+u*u+h*h);l*=M,c*=M,u*=M,h*=M}}e[t]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h}static multiplyQuaternionsFlat(e,t,n,i,r,a){let o=n[i],l=n[i+1],c=n[i+2],u=n[i+3],h=r[a],d=r[a+1],f=r[a+2],p=r[a+3];return e[t]=o*p+u*h+l*f-c*d,e[t+1]=l*p+u*d+c*h-o*f,e[t+2]=c*p+u*f+o*d-l*h,e[t+3]=u*p-o*h-l*d-c*f,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!(e&&e.isEuler))throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");let n=e._x,i=e._y,r=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(n/2),u=o(i/2),h=o(r/2),d=l(n/2),f=l(i/2),p=l(r/2);switch(a){case"XYZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"YXZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"ZXY":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"ZYX":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"YZX":this._x=d*u*h+c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h-d*f*p;break;case"XZY":this._x=d*u*h-c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h+d*f*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,n=t[0],i=t[4],r=t[8],a=t[1],o=t[5],l=t[9],c=t[2],u=t[6],h=t[10],d=n+o+h;if(d>0){let f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(u-l)*f,this._y=(r-c)*f,this._z=(a-i)*f}else if(n>o&&n>h){let f=2*Math.sqrt(1+n-o-h);this._w=(u-l)/f,this._x=.25*f,this._y=(i+a)/f,this._z=(r+c)/f}else if(o>h){let f=2*Math.sqrt(1+o-n-h);this._w=(r-c)/f,this._x=(i+a)/f,this._y=.25*f,this._z=(l+u)/f}else{let f=2*Math.sqrt(1+h-n-o);this._w=(a-i)/f,this._x=(r+c)/f,this._y=(l+u)/f,this._z=.25*f}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<Number.EPSILON?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(Dt(this.dot(e),-1,1)))}rotateTowards(e,t){let n=this.angleTo(e);if(n===0)return this;let i=Math.min(1,t/n);return this.slerp(e,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return t!==void 0?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let n=e._x,i=e._y,r=e._z,a=e._w,o=t._x,l=t._y,c=t._z,u=t._w;return this._x=n*u+a*o+i*c-r*l,this._y=i*u+a*l+r*o-n*c,this._z=r*u+a*c+n*l-i*o,this._w=a*u-n*o-i*l-r*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let n=this._x,i=this._y,r=this._z,a=this._w,o=a*e._w+n*e._x+i*e._y+r*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;let l=1-o*o;if(l<=Number.EPSILON){let f=1-t;return this._w=f*a+t*this._w,this._x=f*n+t*this._x,this._y=f*i+t*this._y,this._z=f*r+t*this._z,this.normalize(),this._onChangeCallback(),this}let c=Math.sqrt(l),u=Math.atan2(c,o),h=Math.sin((1-t)*u)/c,d=Math.sin(t*u)/c;return this._w=a*h+this._w*d,this._x=n*h+this._x*d,this._y=i*h+this._y*d,this._z=r*h+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,n){this.copy(e).slerp(t,n)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};ht.prototype.isQuaternion=!0;var b=class{constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(xd.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(xd.setFromAxisAngle(e,t))}applyMatrix3(e){let t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6]*i,this.y=r[1]*t+r[4]*n+r[7]*i,this.z=r[2]*t+r[5]*n+r[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,r=e.elements,a=1/(r[3]*t+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*t+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*t+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*t+r[6]*n+r[10]*i+r[14])*a,this}applyQuaternion(e){let t=this.x,n=this.y,i=this.z,r=e.x,a=e.y,o=e.z,l=e.w,c=l*t+a*i-o*n,u=l*n+o*t-r*i,h=l*i+r*n-a*t,d=-r*t-a*n-o*i;return this.x=c*l+d*-r+u*-o-h*-a,this.y=u*l+d*-a+h*-r-c*-o,this.z=h*l+d*-o+c*-a-u*-r,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){let t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*i,this.y=r[1]*t+r[5]*n+r[9]*i,this.z=r[2]*t+r[6]*n+r[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e,t){return t!==void 0?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){let n=e.x,i=e.y,r=e.z,a=t.x,o=t.y,l=t.z;return this.x=i*l-r*o,this.y=r*a-n*l,this.z=n*o-i*a,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Ul.copy(this).projectOnVector(e),this.sub(Ul)}reflect(e){return this.sub(Ul.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let n=this.dot(e)/t;return Math.acos(Dt(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){let i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,n){return n!==void 0&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}};b.prototype.isVector3=!0;var Ul=new b,xd=new ht,It=class{constructor(e=new b(1/0,1/0,1/0),t=new b(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.length;l<c;l+=3){let u=e[l],h=e[l+1],d=e[l+2];u<t&&(t=u),h<n&&(n=h),d<i&&(i=d),u>r&&(r=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(r,a,o),this}setFromBufferAttribute(e){let t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.count;l<c;l++){let u=e.getX(l),h=e.getY(l),d=e.getZ(l);u<t&&(t=u),h<n&&(n=h),d<i&&(i=d),u>r&&(r=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(r,a,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let n=Rs.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e){return this.makeEmpty(),this.expandByObject(e)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e){e.updateWorldMatrix(!1,!1);let t=e.geometry;t!==void 0&&(t.boundingBox===null&&t.computeBoundingBox(),Nl.copy(t.boundingBox),Nl.applyMatrix4(e.matrixWorld),this.union(Nl));let n=e.children;for(let i=0,r=n.length;i<r;i++)this.expandByObject(n[i]);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,Rs),Rs.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Ds),Ta.subVectors(this.max,Ds),fr.subVectors(e.a,Ds),pr.subVectors(e.b,Ds),mr.subVectors(e.c,Ds),ei.subVectors(pr,fr),ti.subVectors(mr,pr),Oi.subVectors(fr,mr);let t=[0,-ei.z,ei.y,0,-ti.z,ti.y,0,-Oi.z,Oi.y,ei.z,0,-ei.x,ti.z,0,-ti.x,Oi.z,0,-Oi.x,-ei.y,ei.x,0,-ti.y,ti.x,0,-Oi.y,Oi.x,0];return!Hl(t,fr,pr,mr,Ta)||(t=[1,0,0,0,1,0,0,0,1],!Hl(t,fr,pr,mr,Ta))?!1:(Sa.crossVectors(ei,ti),t=[Sa.x,Sa.y,Sa.z],Hl(t,fr,pr,mr,Ta))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return Rs.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=this.getSize(Rs).length()*.5,e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Ln[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Ln[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Ln[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Ln[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Ln[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Ln[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Ln[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Ln[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Ln),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}};It.prototype.isBox3=!0;var Ln=[new b,new b,new b,new b,new b,new b,new b,new b],Rs=new b,Nl=new It,fr=new b,pr=new b,mr=new b,ei=new b,ti=new b,Oi=new b,Ds=new b,Ta=new b,Sa=new b,Ui=new b;function Hl(s,e,t,n,i){for(let r=0,a=s.length-3;r<=a;r+=3){Ui.fromArray(s,r);let o=i.x*Math.abs(Ui.x)+i.y*Math.abs(Ui.y)+i.z*Math.abs(Ui.z),l=e.dot(Ui),c=t.dot(Ui),u=n.dot(Ui);if(Math.max(-Math.max(l,c,u),Math.min(l,c,u))>o)return!1}return!0}var pg=new It,yd=new b,zl=new b,Gl=new b,In=class{constructor(e=new b,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let n=this.center;t!==void 0?n.copy(t):pg.setFromPoints(e).getCenter(n);let i=0;for(let r=0,a=e.length;r<a;r++)i=Math.max(i,n.distanceToSquared(e[r]));return this.radius=Math.sqrt(i),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){let t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){let n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){Gl.subVectors(e,this.center);let t=Gl.lengthSq();if(t>this.radius*this.radius){let n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.add(Gl.multiplyScalar(i/n)),this.radius+=i}return this}union(e){return zl.subVectors(e.center,this.center).normalize().multiplyScalar(e.radius),this.expandByPoint(yd.copy(e.center).add(zl)),this.expandByPoint(yd.copy(e.center).sub(zl)),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},Bn=new b,kl=new b,Ca=new b,ni=new b,Vl=new b,Pa=new b,Wl=new b,Fn=class{constructor(e=new b,t=new b(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,Bn)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=Bn.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Bn.copy(this.direction).multiplyScalar(t).add(this.origin),Bn.distanceToSquared(e))}distanceSqToSegment(e,t,n,i){kl.copy(e).add(t).multiplyScalar(.5),Ca.copy(t).sub(e).normalize(),ni.copy(this.origin).sub(kl);let r=e.distanceTo(t)*.5,a=-this.direction.dot(Ca),o=ni.dot(this.direction),l=-ni.dot(Ca),c=ni.lengthSq(),u=Math.abs(1-a*a),h,d,f,p;if(u>0)if(h=a*l-o,d=a*o-l,p=r*u,h>=0)if(d>=-p)if(d<=p){let v=1/u;h*=v,d*=v,f=h*(h+a*d+2*o)+d*(a*h+d+2*l)+c}else d=r,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d=-r,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d<=-p?(h=Math.max(0,-(-a*r+o)),d=h>0?-r:Math.min(Math.max(-r,-l),r),f=-h*h+d*(d+2*l)+c):d<=p?(h=0,d=Math.min(Math.max(-r,-l),r),f=d*(d+2*l)+c):(h=Math.max(0,-(a*r+o)),d=h>0?r:Math.min(Math.max(-r,-l),r),f=-h*h+d*(d+2*l)+c);else d=a>0?-r:r,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;return n&&n.copy(this.direction).multiplyScalar(h).add(this.origin),i&&i.copy(Ca).multiplyScalar(d).add(kl),f}intersectSphere(e,t){Bn.subVectors(e.center,this.origin);let n=Bn.dot(this.direction),i=Bn.dot(Bn)-n*n,r=e.radius*e.radius;if(i>r)return null;let a=Math.sqrt(r-i),o=n-a,l=n+a;return o<0&&l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){let n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,i,r,a,o,l,c=1/this.direction.x,u=1/this.direction.y,h=1/this.direction.z,d=this.origin;return c>=0?(n=(e.min.x-d.x)*c,i=(e.max.x-d.x)*c):(n=(e.max.x-d.x)*c,i=(e.min.x-d.x)*c),u>=0?(r=(e.min.y-d.y)*u,a=(e.max.y-d.y)*u):(r=(e.max.y-d.y)*u,a=(e.min.y-d.y)*u),n>a||r>i||((r>n||n!==n)&&(n=r),(a<i||i!==i)&&(i=a),h>=0?(o=(e.min.z-d.z)*h,l=(e.max.z-d.z)*h):(o=(e.max.z-d.z)*h,l=(e.min.z-d.z)*h),n>l||o>i)||((o>n||n!==n)&&(n=o),(l<i||i!==i)&&(i=l),i<0)?null:this.at(n>=0?n:i,t)}intersectsBox(e){return this.intersectBox(e,Bn)!==null}intersectTriangle(e,t,n,i,r){Vl.subVectors(t,e),Pa.subVectors(n,e),Wl.crossVectors(Vl,Pa);let a=this.direction.dot(Wl),o;if(a>0){if(i)return null;o=1}else if(a<0)o=-1,a=-a;else return null;ni.subVectors(this.origin,e);let l=o*this.direction.dot(Pa.crossVectors(ni,Pa));if(l<0)return null;let c=o*this.direction.dot(Vl.cross(ni));if(c<0||l+c>a)return null;let u=-o*ni.dot(Wl);return u<0?null:this.at(u/a,r)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},me=class{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,i,r,a,o,l,c,u,h,d,f,p,v,x){let g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=r,g[5]=a,g[9]=o,g[13]=l,g[2]=c,g[6]=u,g[10]=h,g[14]=d,g[3]=f,g[7]=p,g[11]=v,g[15]=x,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new me().fromArray(this.elements)}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){let t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,n=e.elements,i=1/gr.setFromMatrixColumn(e,0).length(),r=1/gr.setFromMatrixColumn(e,1).length(),a=1/gr.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");let t=this.elements,n=e.x,i=e.y,r=e.z,a=Math.cos(n),o=Math.sin(n),l=Math.cos(i),c=Math.sin(i),u=Math.cos(r),h=Math.sin(r);if(e.order==="XYZ"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=-l*h,t[8]=c,t[1]=f+p*c,t[5]=d-v*c,t[9]=-o*l,t[2]=v-d*c,t[6]=p+f*c,t[10]=a*l}else if(e.order==="YXZ"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d+v*o,t[4]=p*o-f,t[8]=a*c,t[1]=a*h,t[5]=a*u,t[9]=-o,t[2]=f*o-p,t[6]=v+d*o,t[10]=a*l}else if(e.order==="ZXY"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d-v*o,t[4]=-a*h,t[8]=p+f*o,t[1]=f+p*o,t[5]=a*u,t[9]=v-d*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=p*c-f,t[8]=d*c+v,t[1]=l*h,t[5]=v*c+d,t[9]=f*c-p,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=v-d*h,t[8]=p*h+f,t[1]=h,t[5]=a*u,t[9]=-o*u,t[2]=-c*u,t[6]=f*h+p,t[10]=d-v*h}else if(e.order==="XZY"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=-h,t[8]=c*u,t[1]=d*h+v,t[5]=a*u,t[9]=f*h-p,t[2]=p*h-f,t[6]=o*u,t[10]=v*h+d}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(mg,e,gg)}lookAt(e,t,n){let i=this.elements;return Xt.subVectors(e,t),Xt.lengthSq()===0&&(Xt.z=1),Xt.normalize(),ii.crossVectors(n,Xt),ii.lengthSq()===0&&(Math.abs(n.z)===1?Xt.x+=1e-4:Xt.z+=1e-4,Xt.normalize(),ii.crossVectors(n,Xt)),ii.normalize(),Ra.crossVectors(Xt,ii),i[0]=ii.x,i[4]=Ra.x,i[8]=Xt.x,i[1]=ii.y,i[5]=Ra.y,i[9]=Xt.y,i[2]=ii.z,i[6]=Ra.z,i[10]=Xt.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[4],l=n[8],c=n[12],u=n[1],h=n[5],d=n[9],f=n[13],p=n[2],v=n[6],x=n[10],g=n[14],m=n[3],y=n[7],w=n[11],M=n[15],S=i[0],A=i[4],C=i[8],U=i[12],R=i[1],P=i[5],q=i[9],F=i[13],O=i[2],V=i[6],N=i[10],W=i[14],ee=i[3],pe=i[7],Ae=i[11],oe=i[15];return r[0]=a*S+o*R+l*O+c*ee,r[4]=a*A+o*P+l*V+c*pe,r[8]=a*C+o*q+l*N+c*Ae,r[12]=a*U+o*F+l*W+c*oe,r[1]=u*S+h*R+d*O+f*ee,r[5]=u*A+h*P+d*V+f*pe,r[9]=u*C+h*q+d*N+f*Ae,r[13]=u*U+h*F+d*W+f*oe,r[2]=p*S+v*R+x*O+g*ee,r[6]=p*A+v*P+x*V+g*pe,r[10]=p*C+v*q+x*N+g*Ae,r[14]=p*U+v*F+x*W+g*oe,r[3]=m*S+y*R+w*O+M*ee,r[7]=m*A+y*P+w*V+M*pe,r[11]=m*C+y*q+w*N+M*Ae,r[15]=m*U+y*F+w*W+M*oe,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[4],i=e[8],r=e[12],a=e[1],o=e[5],l=e[9],c=e[13],u=e[2],h=e[6],d=e[10],f=e[14],p=e[3],v=e[7],x=e[11],g=e[15];return p*(+r*l*h-i*c*h-r*o*d+n*c*d+i*o*f-n*l*f)+v*(+t*l*f-t*c*d+r*a*d-i*a*f+i*c*u-r*l*u)+x*(+t*c*h-t*o*f-r*a*h+n*a*f+r*o*u-n*c*u)+g*(-i*o*u-t*l*h+t*o*d+i*a*h-n*a*d+n*l*u)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){let i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this}invert(){let e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8],h=e[9],d=e[10],f=e[11],p=e[12],v=e[13],x=e[14],g=e[15],m=h*x*c-v*d*c+v*l*f-o*x*f-h*l*g+o*d*g,y=p*d*c-u*x*c-p*l*f+a*x*f+u*l*g-a*d*g,w=u*v*c-p*h*c+p*o*f-a*v*f-u*o*g+a*h*g,M=p*h*l-u*v*l-p*o*d+a*v*d+u*o*x-a*h*x,S=t*m+n*y+i*w+r*M;if(S===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let A=1/S;return e[0]=m*A,e[1]=(v*d*r-h*x*r-v*i*f+n*x*f+h*i*g-n*d*g)*A,e[2]=(o*x*r-v*l*r+v*i*c-n*x*c-o*i*g+n*l*g)*A,e[3]=(h*l*r-o*d*r-h*i*c+n*d*c+o*i*f-n*l*f)*A,e[4]=y*A,e[5]=(u*x*r-p*d*r+p*i*f-t*x*f-u*i*g+t*d*g)*A,e[6]=(p*l*r-a*x*r-p*i*c+t*x*c+a*i*g-t*l*g)*A,e[7]=(a*d*r-u*l*r+u*i*c-t*d*c-a*i*f+t*l*f)*A,e[8]=w*A,e[9]=(p*h*r-u*v*r-p*n*f+t*v*f+u*n*g-t*h*g)*A,e[10]=(a*v*r-p*o*r+p*n*c-t*v*c-a*n*g+t*o*g)*A,e[11]=(u*o*r-a*h*r-u*n*c+t*h*c+a*n*f-t*o*f)*A,e[12]=M*A,e[13]=(u*v*i-p*h*i+p*n*d-t*v*d-u*n*x+t*h*x)*A,e[14]=(p*o*i-a*v*i-p*n*l+t*v*l+a*n*x-t*o*x)*A,e[15]=(a*h*i-u*o*i+u*n*l-t*h*l-a*n*d+t*o*d)*A,this}scale(e){let t=this.elements,n=e.x,i=e.y,r=e.z;return t[0]*=n,t[4]*=i,t[8]*=r,t[1]*=n,t[5]*=i,t[9]*=r,t[2]*=n,t[6]*=i,t[10]*=r,t[3]*=n,t[7]*=i,t[11]*=r,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let n=Math.cos(t),i=Math.sin(t),r=1-n,a=e.x,o=e.y,l=e.z,c=r*a,u=r*o;return this.set(c*a+n,c*o-i*l,c*l+i*o,0,c*o+i*l,u*o+n,u*l-i*a,0,c*l-i*o,u*l+i*a,r*l*l+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,i,r,a){return this.set(1,n,r,0,e,1,a,0,t,i,1,0,0,0,0,1),this}compose(e,t,n){let i=this.elements,r=t._x,a=t._y,o=t._z,l=t._w,c=r+r,u=a+a,h=o+o,d=r*c,f=r*u,p=r*h,v=a*u,x=a*h,g=o*h,m=l*c,y=l*u,w=l*h,M=n.x,S=n.y,A=n.z;return i[0]=(1-(v+g))*M,i[1]=(f+w)*M,i[2]=(p-y)*M,i[3]=0,i[4]=(f-w)*S,i[5]=(1-(d+g))*S,i[6]=(x+m)*S,i[7]=0,i[8]=(p+y)*A,i[9]=(x-m)*A,i[10]=(1-(d+v))*A,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,t,n){let i=this.elements,r=gr.set(i[0],i[1],i[2]).length(),a=gr.set(i[4],i[5],i[6]).length(),o=gr.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),e.x=i[12],e.y=i[13],e.z=i[14],hn.copy(this);let c=1/r,u=1/a,h=1/o;return hn.elements[0]*=c,hn.elements[1]*=c,hn.elements[2]*=c,hn.elements[4]*=u,hn.elements[5]*=u,hn.elements[6]*=u,hn.elements[8]*=h,hn.elements[9]*=h,hn.elements[10]*=h,t.setFromRotationMatrix(hn),n.x=r,n.y=a,n.z=o,this}makePerspective(e,t,n,i,r,a){a===void 0&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");let o=this.elements,l=2*r/(t-e),c=2*r/(n-i),u=(t+e)/(t-e),h=(n+i)/(n-i),d=-(a+r)/(a-r),f=-2*a*r/(a-r);return o[0]=l,o[4]=0,o[8]=u,o[12]=0,o[1]=0,o[5]=c,o[9]=h,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=f,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,n,i,r,a){let o=this.elements,l=1/(t-e),c=1/(n-i),u=1/(a-r),h=(t+e)*l,d=(n+i)*c,f=(a+r)*u;return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-h,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=-2*u,o[14]=-f,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){let t=this.elements,n=e.elements;for(let i=0;i<16;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}};me.prototype.isMatrix4=!0;var gr=new b,hn=new me,mg=new b(0,0,0),gg=new b(1,1,1),ii=new b,Ra=new b,Xt=new b,wd=new me,bd=new ht,ri=class{constructor(e=0,t=0,n=0,i=ri.DefaultOrder){this._x=e,this._y=t,this._z=n,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,i=this._order){return this._x=e,this._y=t,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){let i=e.elements,r=i[0],a=i[4],o=i[8],l=i[1],c=i[5],u=i[9],h=i[2],d=i[6],f=i[10];switch(t){case"XYZ":this._y=Math.asin(Dt(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-u,f),this._z=Math.atan2(-a,r)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-Dt(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(Dt(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,r));break;case"ZYX":this._y=Math.asin(-Dt(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,r)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(Dt(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-Dt(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,r)):(this._x=Math.atan2(-u,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,n===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return wd.makeRotationFromQuaternion(e),this.setFromRotationMatrix(wd,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return bd.setFromEuler(this),this.setFromQuaternion(bd,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new b(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};ri.prototype.isEuler=!0;ri.DefaultOrder="XYZ";ri.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];var Da=class{constructor(){this.mask=1|0}set(e){this.mask=1<<e|0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=4294967295|0}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return(this.mask&e.mask)!=0}},vg=0,Ad=new b,vr=new ht,On=new me,La=new b,Ls=new b,xg=new b,yg=new ht,Md=new b(1,0,0),Ed=new b(0,1,0),_d=new b(0,0,1),wg={type:"added"},Td={type:"removed"},De=class extends Ht{constructor(){super();Object.defineProperty(this,"id",{value:vg++}),this.uuid=jt(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=De.DefaultUp.clone();let e=new b,t=new ri,n=new ht,i=new b(1,1,1);function r(){n.setFromEuler(t,!1)}function a(){t.setFromQuaternion(n,void 0,!1)}t._onChange(r),n._onChange(a),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new me},normalMatrix:{value:new vt}}),this.matrix=new me,this.matrixWorld=new me,this.matrixAutoUpdate=De.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new Da,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return vr.setFromAxisAngle(e,t),this.quaternion.multiply(vr),this}rotateOnWorldAxis(e,t){return vr.setFromAxisAngle(e,t),this.quaternion.premultiply(vr),this}rotateX(e){return this.rotateOnAxis(Md,e)}rotateY(e){return this.rotateOnAxis(Ed,e)}rotateZ(e){return this.rotateOnAxis(_d,e)}translateOnAxis(e,t){return Ad.copy(e).applyQuaternion(this.quaternion),this.position.add(Ad.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(Md,e)}translateY(e){return this.translateOnAxis(Ed,e)}translateZ(e){return this.translateOnAxis(_d,e)}localToWorld(e){return e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return e.applyMatrix4(On.copy(this.matrixWorld).invert())}lookAt(e,t,n){e.isVector3?La.copy(e):La.set(e,t,n);let i=this.parent;this.updateWorldMatrix(!0,!1),Ls.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?On.lookAt(Ls,La,this.up):On.lookAt(La,Ls,this.up),this.quaternion.setFromRotationMatrix(On),i&&(On.extractRotation(i.matrixWorld),vr.setFromRotationMatrix(On),this.quaternion.premultiply(vr.invert()))}add(e){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(e.parent!==null&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(wg)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let n=0;n<arguments.length;n++)this.remove(arguments[n]);return this}let t=this.children.indexOf(e);return t!==-1&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(Td)),this}removeFromParent(){let e=this.parent;return e!==null&&e.remove(this),this}clear(){for(let e=0;e<this.children.length;e++){let t=this.children[e];t.parent=null,t.dispatchEvent(Td)}return this.children.length=0,this}attach(e){return this.updateWorldMatrix(!0,!1),On.copy(this.matrixWorld).invert(),e.parent!==null&&(e.parent.updateWorldMatrix(!0,!1),On.multiply(e.parent.matrixWorld)),e.applyMatrix4(On),this.add(e),e.updateWorldMatrix(!1,!0),this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let n=0,i=this.children.length;n<i;n++){let a=this.children[n].getObjectByProperty(e,t);if(a!==void 0)return a}}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ls,e,xg),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ls,yg,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);let t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverse(e)}traverseVisible(e){if(this.visible===!1)return;e(this);let t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverseVisible(e)}traverseAncestors(e){let t=this.parent;t!==null&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);let t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].updateMatrixWorld(e)}updateWorldMatrix(e,t){let n=this.parent;if(e===!0&&n!==null&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),t===!0){let i=this.children;for(let r=0,a=i.length;r<a;r++)i[r].updateWorldMatrix(!1,!0)}}toJSON(e){let t=e===void 0||typeof e=="string",n={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});let i={};i.uuid=this.uuid,i.type=this.type,this.name!==""&&(i.name=this.name),this.castShadow===!0&&(i.castShadow=!0),this.receiveShadow===!0&&(i.receiveShadow=!0),this.visible===!1&&(i.visible=!1),this.frustumCulled===!1&&(i.frustumCulled=!1),this.renderOrder!==0&&(i.renderOrder=this.renderOrder),JSON.stringify(this.userData)!=="{}"&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),this.matrixAutoUpdate===!1&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(i.instanceColor=this.instanceColor.toJSON()));function r(o,l){return o[l.uuid]===void 0&&(o[l.uuid]=l.toJSON(e)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&(i.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(e.geometries,this.geometry);let o=this.geometry.parameters;if(o!==void 0&&o.shapes!==void 0){let l=o.shapes;if(Array.isArray(l))for(let c=0,u=l.length;c<u;c++){let h=l[c];r(e.shapes,h)}else r(e.shapes,l)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),this.skeleton!==void 0&&(r(e.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),this.material!==void 0)if(Array.isArray(this.material)){let o=[];for(let l=0,c=this.material.length;l<c;l++)o.push(r(e.materials,this.material[l]));i.material=o}else i.material=r(e.materials,this.material);if(this.children.length>0){i.children=[];for(let o=0;o<this.children.length;o++)i.children.push(this.children[o].toJSON(e).object)}if(this.animations.length>0){i.animations=[];for(let o=0;o<this.animations.length;o++){let l=this.animations[o];i.animations.push(r(e.animations,l))}}if(t){let o=a(e.geometries),l=a(e.materials),c=a(e.textures),u=a(e.images),h=a(e.shapes),d=a(e.skeletons),f=a(e.animations);o.length>0&&(n.geometries=o),l.length>0&&(n.materials=l),c.length>0&&(n.textures=c),u.length>0&&(n.images=u),h.length>0&&(n.shapes=h),d.length>0&&(n.skeletons=d),f.length>0&&(n.animations=f)}return n.object=i,n;function a(o){let l=[];for(let c in o){let u=o[c];delete u.metadata,l.push(u)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let n=0;n<e.children.length;n++){let i=e.children[n];this.add(i.clone())}return this}};De.DefaultUp=new b(0,1,0);De.DefaultMatrixAutoUpdate=!0;De.prototype.isObject3D=!0;var dn=new b,Un=new b,Yl=new b,Nn=new b,xr=new b,yr=new b,Sd=new b,jl=new b,Xl=new b,Ql=new b,st=class{constructor(e=new b,t=new b,n=new b){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,i){i.subVectors(n,t),dn.subVectors(e,t),i.cross(dn);let r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(e,t,n,i,r){dn.subVectors(i,t),Un.subVectors(n,t),Yl.subVectors(e,t);let a=dn.dot(dn),o=dn.dot(Un),l=dn.dot(Yl),c=Un.dot(Un),u=Un.dot(Yl),h=a*c-o*o;if(h===0)return r.set(-2,-1,-1);let d=1/h,f=(c*l-o*u)*d,p=(a*u-o*l)*d;return r.set(1-f-p,p,f)}static containsPoint(e,t,n,i){return this.getBarycoord(e,t,n,i,Nn),Nn.x>=0&&Nn.y>=0&&Nn.x+Nn.y<=1}static getUV(e,t,n,i,r,a,o,l){return this.getBarycoord(e,t,n,i,Nn),l.set(0,0),l.addScaledVector(r,Nn.x),l.addScaledVector(a,Nn.y),l.addScaledVector(o,Nn.z),l}static isFrontFacing(e,t,n,i){return dn.subVectors(n,t),Un.subVectors(e,t),dn.cross(Un).dot(i)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return dn.subVectors(this.c,this.b),Un.subVectors(this.a,this.b),dn.cross(Un).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return st.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return st.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,i,r){return st.getUV(e,this.a,this.b,this.c,t,n,i,r)}containsPoint(e){return st.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return st.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let n=this.a,i=this.b,r=this.c,a,o;xr.subVectors(i,n),yr.subVectors(r,n),jl.subVectors(e,n);let l=xr.dot(jl),c=yr.dot(jl);if(l<=0&&c<=0)return t.copy(n);Xl.subVectors(e,i);let u=xr.dot(Xl),h=yr.dot(Xl);if(u>=0&&h<=u)return t.copy(i);let d=l*h-u*c;if(d<=0&&l>=0&&u<=0)return a=l/(l-u),t.copy(n).addScaledVector(xr,a);Ql.subVectors(e,r);let f=xr.dot(Ql),p=yr.dot(Ql);if(p>=0&&f<=p)return t.copy(r);let v=f*c-l*p;if(v<=0&&c>=0&&p<=0)return o=c/(c-p),t.copy(n).addScaledVector(yr,o);let x=u*p-f*h;if(x<=0&&h-u>=0&&f-p>=0)return Sd.subVectors(r,i),o=(h-u)/(h-u+(f-p)),t.copy(i).addScaledVector(Sd,o);let g=1/(x+v+d);return a=v*g,o=d*g,t.copy(n).addScaledVector(xr,a).addScaledVector(yr,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},bg=0,at=class extends Ht{constructor(){super();Object.defineProperty(this,"id",{value:bg++}),this.uuid=jt(),this.name="",this.type="Material",this.fog=!0,this.blending=ar,this.side=Rn,this.vertexColors=!1,this.opacity=1,this.format=gt,this.transparent=!1,this.blendSrc=ml,this.blendDst=gl,this.blendEquation=Ti,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=ma,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=md,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Ea,this.stencilZFail=Ea,this.stencilZPass=Ea,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let n=e[t];if(n===void 0){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if(t==="shading"){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=n===ul;continue}let i=this[t];if(i===void 0){console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.");continue}i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[t]=n}}toJSON(e){let t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});let n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};n.uuid=this.uuid,n.type=this.type,this.name!==""&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheenTint&&this.sheenTint.isColor&&(n.sheenTint=this.sheenTint.getHex()),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularTint&&this.specularTint.isColor&&(n.specularTint=this.specularTint.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularTintMap&&this.specularTintMap.isTexture&&(n.specularTintMap=this.specularTintMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationTint!==void 0&&(n.attenuationTint=this.attenuationTint.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==ar&&(n.blending=this.blending),this.side!==Rn&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.format!==gt&&(n.format=this.format),this.transparent===!0&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaToCoverage===!0&&(n.alphaToCoverage=this.alphaToCoverage),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=this.premultipliedAlpha),this.wireframe===!0&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=this.flatShading),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),JSON.stringify(this.userData)!=="{}"&&(n.userData=this.userData);function i(r){let a=[];for(let o in r){let l=r[o];delete l.metadata,a.push(l)}return a}if(t){let r=i(e.textures),a=i(e.images);r.length>0&&(n.textures=r),a.length>0&&(n.images=a)}return n}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.format=e.format,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,n=null;if(t!==null){let i=t.length;n=new Array(i);for(let r=0;r!==i;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}};at.prototype.isMaterial=!0;var Cd={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},fn={h:0,s:0,l:0},Ia={h:0,s:0,l:0};function ql(s,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?s+(e-s)*6*t:t<1/2?e:t<2/3?s+(e-s)*6*(2/3-t):s}function Zl(s){return s<.04045?s*.0773993808:Math.pow(s*.9478672986+.0521327014,2.4)}function Jl(s){return s<.0031308?s*12.92:1.055*Math.pow(s,.41666)-.055}var K=class{constructor(e,t,n){return t===void 0&&n===void 0?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):typeof e=="number"?this.setHex(e):typeof e=="string"&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,this}setRGB(e,t,n){return this.r=e,this.g=t,this.b=n,this}setHSL(e,t,n){if(e=Il(e,1),t=Dt(t,0,1),n=Dt(n,0,1),t===0)this.r=this.g=this.b=n;else{let i=n<=.5?n*(1+t):n+t-n*t,r=2*n-i;this.r=ql(r,i,e+1/3),this.g=ql(r,i,e),this.b=ql(r,i,e-1/3)}return this}setStyle(e){function t(i){i!==void 0&&parseFloat(i)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let i,r=n[1],a=n[2];switch(r){case"rgb":case"rgba":if(i=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(i[1],10))/255,this.g=Math.min(255,parseInt(i[2],10))/255,this.b=Math.min(255,parseInt(i[3],10))/255,t(i[4]),this;if(i=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(i[1],10))/100,this.g=Math.min(100,parseInt(i[2],10))/100,this.b=Math.min(100,parseInt(i[3],10))/100,t(i[4]),this;break;case"hsl":case"hsla":if(i=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a)){let o=parseFloat(i[1])/360,l=parseInt(i[2],10)/100,c=parseInt(i[3],10)/100;return t(i[4]),this.setHSL(o,l,c)}break}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){let i=n[1],r=i.length;if(r===3)return this.r=parseInt(i.charAt(0)+i.charAt(0),16)/255,this.g=parseInt(i.charAt(1)+i.charAt(1),16)/255,this.b=parseInt(i.charAt(2)+i.charAt(2),16)/255,this;if(r===6)return this.r=parseInt(i.charAt(0)+i.charAt(1),16)/255,this.g=parseInt(i.charAt(2)+i.charAt(3),16)/255,this.b=parseInt(i.charAt(4)+i.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this}setColorName(e){let t=Cd[e.toLowerCase()];return t!==void 0?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copyGammaToLinear(e,t=2){return this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this}copyLinearToGamma(e,t=2){let n=t>0?1/t:1;return this.r=Math.pow(e.r,n),this.g=Math.pow(e.g,n),this.b=Math.pow(e.b,n),this}convertGammaToLinear(e){return this.copyGammaToLinear(this,e),this}convertLinearToGamma(e){return this.copyLinearToGamma(this,e),this}copySRGBToLinear(e){return this.r=Zl(e.r),this.g=Zl(e.g),this.b=Zl(e.b),this}copyLinearToSRGB(e){return this.r=Jl(e.r),this.g=Jl(e.g),this.b=Jl(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return this.r*255<<16^this.g*255<<8^this.b*255<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(e){let t=this.r,n=this.g,i=this.b,r=Math.max(t,n,i),a=Math.min(t,n,i),o,l,c=(a+r)/2;if(a===r)o=0,l=0;else{let u=r-a;switch(l=c<=.5?u/(r+a):u/(2-r-a),r){case t:o=(n-i)/u+(n<i?6:0);break;case n:o=(i-t)/u+2;break;case i:o=(t-n)/u+4;break}o/=6}return e.h=o,e.s=l,e.l=c,e}getStyle(){return"rgb("+(this.r*255|0)+","+(this.g*255|0)+","+(this.b*255|0)+")"}offsetHSL(e,t,n){return this.getHSL(fn),fn.h+=e,fn.s+=t,fn.l+=n,this.setHSL(fn.h,fn.s,fn.l),this}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(fn),e.getHSL(Ia);let n=Ps(fn.h,Ia.h,t),i=Ps(fn.s,Ia.s,t),r=Ps(fn.l,Ia.l,t);return this.setHSL(n,i,r),this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),e.normalized===!0&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}};K.NAMES=Cd;K.prototype.isColor=!0;K.prototype.r=1;K.prototype.g=1;K.prototype.b=1;var zt=class extends at{constructor(e){super();this.type="MeshBasicMaterial",this.color=new K(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=vs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};zt.prototype.isMeshBasicMaterial=!0;var Ke=new b,Ba=new z,de=class{constructor(e,t,n){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=e,this.itemSize=t,this.count=e!==void 0?e.length/t:0,this.normalized=n===!0,this.usage=hr,this.updateRange={offset:0,count:-1},this.version=0}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this}copyAt(e,t,n){e*=this.itemSize,n*=t.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[e+i]=t.array[n+i];return this}copyArray(e){return this.array.set(e),this}copyColorsArray(e){let t=this.array,n=0;for(let i=0,r=e.length;i<r;i++){let a=e[i];a===void 0&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",i),a=new K),t[n++]=a.r,t[n++]=a.g,t[n++]=a.b}return this}copyVector2sArray(e){let t=this.array,n=0;for(let i=0,r=e.length;i<r;i++){let a=e[i];a===void 0&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",i),a=new z),t[n++]=a.x,t[n++]=a.y}return this}copyVector3sArray(e){let t=this.array,n=0;for(let i=0,r=e.length;i<r;i++){let a=e[i];a===void 0&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",i),a=new b),t[n++]=a.x,t[n++]=a.y,t[n++]=a.z}return this}copyVector4sArray(e){let t=this.array,n=0;for(let i=0,r=e.length;i<r;i++){let a=e[i];a===void 0&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",i),a=new je),t[n++]=a.x,t[n++]=a.y,t[n++]=a.z,t[n++]=a.w}return this}applyMatrix3(e){if(this.itemSize===2)for(let t=0,n=this.count;t<n;t++)Ba.fromBufferAttribute(this,t),Ba.applyMatrix3(e),this.setXY(t,Ba.x,Ba.y);else if(this.itemSize===3)for(let t=0,n=this.count;t<n;t++)Ke.fromBufferAttribute(this,t),Ke.applyMatrix3(e),this.setXYZ(t,Ke.x,Ke.y,Ke.z);return this}applyMatrix4(e){for(let t=0,n=this.count;t<n;t++)Ke.x=this.getX(t),Ke.y=this.getY(t),Ke.z=this.getZ(t),Ke.applyMatrix4(e),this.setXYZ(t,Ke.x,Ke.y,Ke.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)Ke.x=this.getX(t),Ke.y=this.getY(t),Ke.z=this.getZ(t),Ke.applyNormalMatrix(e),this.setXYZ(t,Ke.x,Ke.y,Ke.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)Ke.x=this.getX(t),Ke.y=this.getY(t),Ke.z=this.getZ(t),Ke.transformDirection(e),this.setXYZ(t,Ke.x,Ke.y,Ke.z);return this}set(e,t=0){return this.array.set(e,t),this}getX(e){return this.array[e*this.itemSize]}setX(e,t){return this.array[e*this.itemSize]=t,this}getY(e){return this.array[e*this.itemSize+1]}setY(e,t){return this.array[e*this.itemSize+1]=t,this}getZ(e){return this.array[e*this.itemSize+2]}setZ(e,t){return this.array[e*this.itemSize+2]=t,this}getW(e){return this.array[e*this.itemSize+3]}setW(e,t){return this.array[e*this.itemSize+3]=t,this}setXY(e,t,n){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this}setXYZ(e,t,n,i){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=i,this}setXYZW(e,t,n,i,r){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=i,this.array[e+3]=r,this}onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){let e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized};return this.name!==""&&(e.name=this.name),this.usage!==hr&&(e.usage=this.usage),(this.updateRange.offset!==0||this.updateRange.count!==-1)&&(e.updateRange=this.updateRange),e}};de.prototype.isBufferAttribute=!0;var Kl=class extends de{constructor(e,t,n){super(new Int8Array(e),t,n)}},$l=class extends de{constructor(e,t,n){super(new Uint8Array(e),t,n)}},ec=class extends de{constructor(e,t,n){super(new Uint8ClampedArray(e),t,n)}},tc=class extends de{constructor(e,t,n){super(new Int16Array(e),t,n)}},Is=class extends de{constructor(e,t,n){super(new Uint16Array(e),t,n)}},nc=class extends de{constructor(e,t,n){super(new Int32Array(e),t,n)}},Bs=class extends de{constructor(e,t,n){super(new Uint32Array(e),t,n)}},ic=class extends de{constructor(e,t,n){super(new Uint16Array(e),t,n)}};ic.prototype.isFloat16BufferAttribute=!0;var ae=class extends de{constructor(e,t,n){super(new Float32Array(e),t,n)}},rc=class extends de{constructor(e,t,n){super(new Float64Array(e),t,n)}};function Pd(s){if(s.length===0)return-1/0;let e=s[0];for(let t=1,n=s.length;t<n;++t)s[t]>e&&(e=s[t]);return e}var Ag={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function wr(s,e){return new Ag[s](e)}var Mg=0,en=new me,sc=new De,br=new b,Qt=new It,Fs=new It,Tt=new b,le=class extends Ht{constructor(){super();Object.defineProperty(this,"id",{value:Mg++}),this.uuid=jt(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(Pd(e)>65535?Bs:Is)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return this.attributes[e]!==void 0}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let t=this.attributes.position;t!==void 0&&(t.applyMatrix4(e),t.needsUpdate=!0);let n=this.attributes.normal;if(n!==void 0){let r=new vt().getNormalMatrix(e);n.applyNormalMatrix(r),n.needsUpdate=!0}let i=this.attributes.tangent;return i!==void 0&&(i.transformDirection(e),i.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}applyQuaternion(e){return en.makeRotationFromQuaternion(e),this.applyMatrix4(en),this}rotateX(e){return en.makeRotationX(e),this.applyMatrix4(en),this}rotateY(e){return en.makeRotationY(e),this.applyMatrix4(en),this}rotateZ(e){return en.makeRotationZ(e),this.applyMatrix4(en),this}translate(e,t,n){return en.makeTranslation(e,t,n),this.applyMatrix4(en),this}scale(e,t,n){return en.makeScale(e,t,n),this.applyMatrix4(en),this}lookAt(e){return sc.lookAt(e),sc.updateMatrix(),this.applyMatrix4(sc.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(br).negate(),this.translate(br.x,br.y,br.z),this}setFromPoints(e){let t=[];for(let n=0,i=e.length;n<i;n++){let r=e[n];t.push(r.x,r.y,r.z||0)}return this.setAttribute("position",new ae(t,3)),this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new It);let e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),this.boundingBox.set(new b(-1/0,-1/0,-1/0),new b(1/0,1/0,1/0));return}if(e!==void 0){if(this.boundingBox.setFromBufferAttribute(e),t)for(let n=0,i=t.length;n<i;n++){let r=t[n];Qt.setFromBufferAttribute(r),this.morphTargetsRelative?(Tt.addVectors(this.boundingBox.min,Qt.min),this.boundingBox.expandByPoint(Tt),Tt.addVectors(this.boundingBox.max,Qt.max),this.boundingBox.expandByPoint(Tt)):(this.boundingBox.expandByPoint(Qt.min),this.boundingBox.expandByPoint(Qt.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new In);let e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),this.boundingSphere.set(new b,1/0);return}if(e){let n=this.boundingSphere.center;if(Qt.setFromBufferAttribute(e),t)for(let r=0,a=t.length;r<a;r++){let o=t[r];Fs.setFromBufferAttribute(o),this.morphTargetsRelative?(Tt.addVectors(Qt.min,Fs.min),Qt.expandByPoint(Tt),Tt.addVectors(Qt.max,Fs.max),Qt.expandByPoint(Tt)):(Qt.expandByPoint(Fs.min),Qt.expandByPoint(Fs.max))}Qt.getCenter(n);let i=0;for(let r=0,a=e.count;r<a;r++)Tt.fromBufferAttribute(e,r),i=Math.max(i,n.distanceToSquared(Tt));if(t)for(let r=0,a=t.length;r<a;r++){let o=t[r],l=this.morphTargetsRelative;for(let c=0,u=o.count;c<u;c++)Tt.fromBufferAttribute(o,c),l&&(br.fromBufferAttribute(e,c),Tt.add(br)),i=Math.max(i,n.distanceToSquared(Tt))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){let e=this.index,t=this.attributes;if(e===null||t.position===void 0||t.normal===void 0||t.uv===void 0){console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");return}let n=e.array,i=t.position.array,r=t.normal.array,a=t.uv.array,o=i.length/3;t.tangent===void 0&&this.setAttribute("tangent",new de(new Float32Array(4*o),4));let l=t.tangent.array,c=[],u=[];for(let R=0;R<o;R++)c[R]=new b,u[R]=new b;let h=new b,d=new b,f=new b,p=new z,v=new z,x=new z,g=new b,m=new b;function y(R,P,q){h.fromArray(i,R*3),d.fromArray(i,P*3),f.fromArray(i,q*3),p.fromArray(a,R*2),v.fromArray(a,P*2),x.fromArray(a,q*2),d.sub(h),f.sub(h),v.sub(p),x.sub(p);let F=1/(v.x*x.y-x.x*v.y);!isFinite(F)||(g.copy(d).multiplyScalar(x.y).addScaledVector(f,-v.y).multiplyScalar(F),m.copy(f).multiplyScalar(v.x).addScaledVector(d,-x.x).multiplyScalar(F),c[R].add(g),c[P].add(g),c[q].add(g),u[R].add(m),u[P].add(m),u[q].add(m))}let w=this.groups;w.length===0&&(w=[{start:0,count:n.length}]);for(let R=0,P=w.length;R<P;++R){let q=w[R],F=q.start,O=q.count;for(let V=F,N=F+O;V<N;V+=3)y(n[V+0],n[V+1],n[V+2])}let M=new b,S=new b,A=new b,C=new b;function U(R){A.fromArray(r,R*3),C.copy(A);let P=c[R];M.copy(P),M.sub(A.multiplyScalar(A.dot(P))).normalize(),S.crossVectors(C,P);let F=S.dot(u[R])<0?-1:1;l[R*4]=M.x,l[R*4+1]=M.y,l[R*4+2]=M.z,l[R*4+3]=F}for(let R=0,P=w.length;R<P;++R){let q=w[R],F=q.start,O=q.count;for(let V=F,N=F+O;V<N;V+=3)U(n[V+0]),U(n[V+1]),U(n[V+2])}}computeVertexNormals(){let e=this.index,t=this.getAttribute("position");if(t!==void 0){let n=this.getAttribute("normal");if(n===void 0)n=new de(new Float32Array(t.count*3),3),this.setAttribute("normal",n);else for(let d=0,f=n.count;d<f;d++)n.setXYZ(d,0,0,0);let i=new b,r=new b,a=new b,o=new b,l=new b,c=new b,u=new b,h=new b;if(e)for(let d=0,f=e.count;d<f;d+=3){let p=e.getX(d+0),v=e.getX(d+1),x=e.getX(d+2);i.fromBufferAttribute(t,p),r.fromBufferAttribute(t,v),a.fromBufferAttribute(t,x),u.subVectors(a,r),h.subVectors(i,r),u.cross(h),o.fromBufferAttribute(n,p),l.fromBufferAttribute(n,v),c.fromBufferAttribute(n,x),o.add(u),l.add(u),c.add(u),n.setXYZ(p,o.x,o.y,o.z),n.setXYZ(v,l.x,l.y,l.z),n.setXYZ(x,c.x,c.y,c.z)}else for(let d=0,f=t.count;d<f;d+=3)i.fromBufferAttribute(t,d+0),r.fromBufferAttribute(t,d+1),a.fromBufferAttribute(t,d+2),u.subVectors(a,r),h.subVectors(i,r),u.cross(h),n.setXYZ(d+0,u.x,u.y,u.z),n.setXYZ(d+1,u.x,u.y,u.z),n.setXYZ(d+2,u.x,u.y,u.z);this.normalizeNormals(),n.needsUpdate=!0}}merge(e,t){if(!(e&&e.isBufferGeometry)){console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",e);return}t===void 0&&(t=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));let n=this.attributes;for(let i in n){if(e.attributes[i]===void 0)continue;let a=n[i].array,o=e.attributes[i],l=o.array,c=o.itemSize*t,u=Math.min(l.length,a.length-c);for(let h=0,d=c;h<u;h++,d++)a[d]=l[h]}return this}normalizeNormals(){let e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)Tt.fromBufferAttribute(e,t),Tt.normalize(),e.setXYZ(t,Tt.x,Tt.y,Tt.z)}toNonIndexed(){function e(o,l){let c=o.array,u=o.itemSize,h=o.normalized,d=new c.constructor(l.length*u),f=0,p=0;for(let v=0,x=l.length;v<x;v++){o.isInterleavedBufferAttribute?f=l[v]*o.data.stride+o.offset:f=l[v]*u;for(let g=0;g<u;g++)d[p++]=c[f++]}return new de(d,u,h)}if(this.index===null)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;let t=new le,n=this.index.array,i=this.attributes;for(let o in i){let l=i[o],c=e(l,n);t.setAttribute(o,c)}let r=this.morphAttributes;for(let o in r){let l=[],c=r[o];for(let u=0,h=c.length;u<h;u++){let d=c[u],f=e(d,n);l.push(f)}t.morphAttributes[o]=l}t.morphTargetsRelative=this.morphTargetsRelative;let a=this.groups;for(let o=0,l=a.length;o<l;o++){let c=a[o];t.addGroup(c.start,c.count,c.materialIndex)}return t}toJSON(){let e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,this.name!==""&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),this.parameters!==void 0){let l=this.parameters;for(let c in l)l[c]!==void 0&&(e[c]=l[c]);return e}e.data={attributes:{}};let t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});let n=this.attributes;for(let l in n){let c=n[l];e.data.attributes[l]=c.toJSON(e.data)}let i={},r=!1;for(let l in this.morphAttributes){let c=this.morphAttributes[l],u=[];for(let h=0,d=c.length;h<d;h++){let f=c[h];u.push(f.toJSON(e.data))}u.length>0&&(i[l]=u,r=!0)}r&&(e.data.morphAttributes=i,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let o=this.boundingSphere;return o!==null&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e}clone(){return new le().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;let t={};this.name=e.name;let n=e.index;n!==null&&this.setIndex(n.clone(t));let i=e.attributes;for(let c in i){let u=i[c];this.setAttribute(c,u.clone(t))}let r=e.morphAttributes;for(let c in r){let u=[],h=r[c];for(let d=0,f=h.length;d<f;d++)u.push(h[d].clone(t));this.morphAttributes[c]=u}this.morphTargetsRelative=e.morphTargetsRelative;let a=e.groups;for(let c=0,u=a.length;c<u;c++){let h=a[c];this.addGroup(h.start,h.count,h.materialIndex)}let o=e.boundingBox;o!==null&&(this.boundingBox=o.clone());let l=e.boundingSphere;return l!==null&&(this.boundingSphere=l.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}};le.prototype.isBufferGeometry=!0;var Rd=new me,Ar=new Fn,ac=new In,si=new b,ai=new b,oi=new b,oc=new b,lc=new b,cc=new b,Fa=new b,Oa=new b,Ua=new b,Na=new z,Ha=new z,za=new z,uc=new b,Ga=new b,ze=class extends De{constructor(e=new le,t=new zt){super();this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e){return super.copy(e),e.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),e.morphTargetDictionary!==void 0&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this}updateMorphTargets(){let e=this.geometry;if(e.isBufferGeometry){let t=e.morphAttributes,n=Object.keys(t);if(n.length>0){let i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let r=0,a=i.length;r<a;r++){let o=i[r].name||String(r);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=r}}}}else{let t=e.morphTargets;t!==void 0&&t.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}raycast(e,t){let n=this.geometry,i=this.material,r=this.matrixWorld;if(i===void 0||(n.boundingSphere===null&&n.computeBoundingSphere(),ac.copy(n.boundingSphere),ac.applyMatrix4(r),e.ray.intersectsSphere(ac)===!1)||(Rd.copy(r).invert(),Ar.copy(e.ray).applyMatrix4(Rd),n.boundingBox!==null&&Ar.intersectsBox(n.boundingBox)===!1))return;let a;if(n.isBufferGeometry){let o=n.index,l=n.attributes.position,c=n.morphAttributes.position,u=n.morphTargetsRelative,h=n.attributes.uv,d=n.attributes.uv2,f=n.groups,p=n.drawRange;if(o!==null)if(Array.isArray(i))for(let v=0,x=f.length;v<x;v++){let g=f[v],m=i[g.materialIndex],y=Math.max(g.start,p.start),w=Math.min(g.start+g.count,p.start+p.count);for(let M=y,S=w;M<S;M+=3){let A=o.getX(M),C=o.getX(M+1),U=o.getX(M+2);a=ka(this,m,e,Ar,l,c,u,h,d,A,C,U),a&&(a.faceIndex=Math.floor(M/3),a.face.materialIndex=g.materialIndex,t.push(a))}}else{let v=Math.max(0,p.start),x=Math.min(o.count,p.start+p.count);for(let g=v,m=x;g<m;g+=3){let y=o.getX(g),w=o.getX(g+1),M=o.getX(g+2);a=ka(this,i,e,Ar,l,c,u,h,d,y,w,M),a&&(a.faceIndex=Math.floor(g/3),t.push(a))}}else if(l!==void 0)if(Array.isArray(i))for(let v=0,x=f.length;v<x;v++){let g=f[v],m=i[g.materialIndex],y=Math.max(g.start,p.start),w=Math.min(g.start+g.count,p.start+p.count);for(let M=y,S=w;M<S;M+=3){let A=M,C=M+1,U=M+2;a=ka(this,m,e,Ar,l,c,u,h,d,A,C,U),a&&(a.faceIndex=Math.floor(M/3),a.face.materialIndex=g.materialIndex,t.push(a))}}else{let v=Math.max(0,p.start),x=Math.min(l.count,p.start+p.count);for(let g=v,m=x;g<m;g+=3){let y=g,w=g+1,M=g+2;a=ka(this,i,e,Ar,l,c,u,h,d,y,w,M),a&&(a.faceIndex=Math.floor(g/3),t.push(a))}}}else n.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}};ze.prototype.isMesh=!0;function Eg(s,e,t,n,i,r,a,o){let l;if(e.side===Ye?l=n.intersectTriangle(a,r,i,!0,o):l=n.intersectTriangle(i,r,a,e.side!==Nt,o),l===null)return null;Ga.copy(o),Ga.applyMatrix4(s.matrixWorld);let c=t.ray.origin.distanceTo(Ga);return c<t.near||c>t.far?null:{distance:c,point:Ga.clone(),object:s}}function ka(s,e,t,n,i,r,a,o,l,c,u,h){si.fromBufferAttribute(i,c),ai.fromBufferAttribute(i,u),oi.fromBufferAttribute(i,h);let d=s.morphTargetInfluences;if(r&&d){Fa.set(0,0,0),Oa.set(0,0,0),Ua.set(0,0,0);for(let p=0,v=r.length;p<v;p++){let x=d[p],g=r[p];x!==0&&(oc.fromBufferAttribute(g,c),lc.fromBufferAttribute(g,u),cc.fromBufferAttribute(g,h),a?(Fa.addScaledVector(oc,x),Oa.addScaledVector(lc,x),Ua.addScaledVector(cc,x)):(Fa.addScaledVector(oc.sub(si),x),Oa.addScaledVector(lc.sub(ai),x),Ua.addScaledVector(cc.sub(oi),x)))}si.add(Fa),ai.add(Oa),oi.add(Ua)}s.isSkinnedMesh&&(s.boneTransform(c,si),s.boneTransform(u,ai),s.boneTransform(h,oi));let f=Eg(s,e,t,n,si,ai,oi,uc);if(f){o&&(Na.fromBufferAttribute(o,c),Ha.fromBufferAttribute(o,u),za.fromBufferAttribute(o,h),f.uv=st.getUV(uc,si,ai,oi,Na,Ha,za,new z)),l&&(Na.fromBufferAttribute(l,c),Ha.fromBufferAttribute(l,u),za.fromBufferAttribute(l,h),f.uv2=st.getUV(uc,si,ai,oi,Na,Ha,za,new z));let p={a:c,b:u,c:h,normal:new b,materialIndex:0};st.getNormal(si,ai,oi,p.normal),f.face=p}return f}var Hn=class extends le{constructor(e=1,t=1,n=1,i=1,r=1,a=1){super();this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:i,heightSegments:r,depthSegments:a};let o=this;i=Math.floor(i),r=Math.floor(r),a=Math.floor(a);let l=[],c=[],u=[],h=[],d=0,f=0;p("z","y","x",-1,-1,n,t,e,a,r,0),p("z","y","x",1,-1,n,t,-e,a,r,1),p("x","z","y",1,1,e,n,t,i,a,2),p("x","z","y",1,-1,e,n,-t,i,a,3),p("x","y","z",1,-1,e,t,n,i,r,4),p("x","y","z",-1,-1,e,t,-n,i,r,5),this.setIndex(l),this.setAttribute("position",new ae(c,3)),this.setAttribute("normal",new ae(u,3)),this.setAttribute("uv",new ae(h,2));function p(v,x,g,m,y,w,M,S,A,C,U){let R=w/A,P=M/C,q=w/2,F=M/2,O=S/2,V=A+1,N=C+1,W=0,ee=0,pe=new b;for(let Ae=0;Ae<N;Ae++){let oe=Ae*P-F;for(let Ce=0;Ce<V;Ce++){let X=Ce*R-q;pe[v]=X*m,pe[x]=oe*y,pe[g]=O,c.push(pe.x,pe.y,pe.z),pe[v]=0,pe[x]=0,pe[g]=S>0?1:-1,u.push(pe.x,pe.y,pe.z),h.push(Ce/A),h.push(1-Ae/C),W+=1}}for(let Ae=0;Ae<C;Ae++)for(let oe=0;oe<A;oe++){let Ce=d+oe+V*Ae,X=d+oe+V*(Ae+1),$=d+(oe+1)+V*(Ae+1),xe=d+(oe+1)+V*Ae;l.push(Ce,X,xe),l.push(X,$,xe),ee+=6}o.addGroup(f,ee,U),f+=ee,d+=W}}static fromJSON(e){return new Hn(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}};function Mr(s){let e={};for(let t in s){e[t]={};for(let n in s[t]){let i=s[t][n];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)?e[t][n]=i.clone():Array.isArray(i)?e[t][n]=i.slice():e[t][n]=i}}return e}function Bt(s){let e={};for(let t=0;t<s.length;t++){let n=Mr(s[t]);for(let i in n)e[i]=n[i]}return e}var Va={clone:Mr,merge:Bt},_g=`void main() {
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t=1,n=s.length;t<n;++t)s[t]>e&&(e=s[t]);return e}var pg={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function fr(s,e){return new pg[s](e)}function Ca(s){return document.createElementNS("http://www.w3.org/1999/xhtml",s)}function pd(s,e=0){let t=3735928559^e,n=1103547991^e;for(let i=0,r;i<s.length;i++)r=s.charCodeAt(i),t=Math.imul(t^r,2654435761),n=Math.imul(n^r,1597334677);return t=Math.imul(t^t>>>16,2246822507)^Math.imul(n^n>>>13,3266489909),n=Math.imul(n^n>>>16,2246822507)^Math.imul(t^t>>>13,3266489909),4294967296*(2097151&n)+(t>>>0)}var pr,qn=class{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement=="undefined")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{pr===void 0&&(pr=Ca("canvas")),pr.width=e.width,pr.height=e.height;let n=pr.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=pr}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}},mg=0,bt=class extends Ht{constructor(e=bt.DEFAULT_IMAGE,t=bt.DEFAULT_MAPPING,n=Et,i=Et,r=ke,a=Ri,o=ct,l=it,c=1,u=_t){super();Object.defineProperty(this,"id",{value:mg++}),this.uuid=jt(),this.name="",this.image=e,this.mipmaps=[],this.mapping=t,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new U(0,0),this.repeat=new U(1,1),this.center=new U(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new wt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=u,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return new this.constructor().copy(this)}copy(e){return this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this.userData=JSON.parse(JSON.stringify(e.userData)),this}toJSON(e){let t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];let n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(this.image!==void 0){let i=this.image;if(i.uuid===void 0&&(i.uuid=jt()),!t&&e.images[i.uuid]===void 0){let r;if(Array.isArray(i)){r=[];for(let a=0,o=i.length;a<o;a++)i[a].isDataTexture?r.push(Il(i[a].image)):r.push(Il(i[a]))}else r=Il(i);e.images[i.uuid]={uuid:i.uuid,url:r}}n.image=i.uuid}return JSON.stringify(this.userData)!=="{}"&&(n.userData=this.userData),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==xa)return 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Ye=class{constructor(e=0,t=0,n=0,i=1){this.x=e,this.y=t,this.z=n,this.w=i}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector4: .add() now only accepts one argument. 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t,n,i,r,a=.01,o=.1,l=e.elements,c=l[0],u=l[4],h=l[8],d=l[1],f=l[5],p=l[9],v=l[2],x=l[6],g=l[10];if(Math.abs(u-d)<a&&Math.abs(h-v)<a&&Math.abs(p-x)<a){if(Math.abs(u+d)<o&&Math.abs(h+v)<o&&Math.abs(p+x)<o&&Math.abs(c+f+g-3)<o)return this.set(1,0,0,0),this;t=Math.PI;let w=(c+1)/2,y=(f+1)/2,M=(g+1)/2,S=(u+d)/4,b=(h+v)/4,R=(p+x)/4;return w>y&&w>M?w<a?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(w),i=S/n,r=b/n):y>M?y<a?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(y),n=S/i,r=R/i):M<a?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(M),n=b/r,i=R/r),this.set(n,i,r,t),this}let m=Math.sqrt((x-p)*(x-p)+(h-v)*(h-v)+(d-u)*(d-u));return Math.abs(m)<.001&&(m=1),this.x=(x-p)/m,this.y=(h-v)/m,this.z=(d-u)/m,this.w=Math.acos((c+f+g-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return 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this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t,n){return n!==void 0&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}};Ye.prototype.isVector4=!0;var rt=class extends Ht{constructor(e,t,n={}){super();this.width=e,this.height=t,this.depth=1,this.scissor=new Ye(0,0,e,t),this.scissorTest=!1,this.viewport=new Ye(0,0,e,t),this.texture=new bt(void 0,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.isRenderTargetTexture=!0,this.texture.image={width:e,height:t,depth:1},this.texture.generateMipmaps=n.generateMipmaps!==void 0?n.generateMipmaps:!1,this.texture.internalFormat=n.internalFormat!==void 0?n.internalFormat:null,this.texture.minFilter=n.minFilter!==void 0?n.minFilter:ke,this.depthBuffer=n.depthBuffer!==void 0?n.depthBuffer:!0,this.stencilBuffer=n.stencilBuffer!==void 0?n.stencilBuffer:!1,this.depthTexture=n.depthTexture!==void 0?n.depthTexture:null}setTexture(e){e.image={width:this.width,height:this.height,depth:this.depth},this.texture=e}setSize(e,t,n=1){(this.width!==e||this.height!==t||this.depth!==n)&&(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.image=Bu({},this.texture.image),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}};rt.prototype.isWebGLRenderTarget=!0;var Bl=class extends rt{constructor(e,t,n){super(e,t);let i=this.texture;this.texture=[];for(let r=0;r<n;r++)this.texture[r]=i.clone()}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let i=0,r=this.texture.length;i<r;i++)this.texture[i].image.width=e,this.texture[i].image.height=t,this.texture[i].image.depth=n;this.dispose()}return this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t),this}copy(e){this.dispose(),this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.set(0,0,this.width,this.height),this.scissor.set(0,0,this.width,this.height),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this.texture.length=0;for(let t=0,n=e.texture.length;t<n;t++)this.texture[t]=e.texture[t].clone();return this}};Bl.prototype.isWebGLMultipleRenderTargets=!0;var Zn=class extends rt{constructor(e,t,n={}){super(e,t,n);this.samples=4,this.ignoreDepthForMultisampleCopy=n.ignoreDepth!==void 0?n.ignoreDepth:!0,this.useRenderToTexture=n.useRenderToTexture!==void 0?n.useRenderToTexture:!1,this.useRenderbuffer=this.useRenderToTexture===!1}copy(e){return super.copy.call(this,e),this.samples=e.samples,this.useRenderToTexture=e.useRenderToTexture,this.useRenderbuffer=e.useRenderbuffer,this}};Zn.prototype.isWebGLMultisampleRenderTarget=!0;var gt=class{constructor(e=0,t=0,n=0,i=1){this._x=e,this._y=t,this._z=n,this._w=i}static slerp(e,t,n,i){return console.warn("THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead."),n.slerpQuaternions(e,t,i)}static slerpFlat(e,t,n,i,r,a,o){let l=n[i+0],c=n[i+1],u=n[i+2],h=n[i+3],d=r[a+0],f=r[a+1],p=r[a+2],v=r[a+3];if(o===0){e[t+0]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h;return}if(o===1){e[t+0]=d,e[t+1]=f,e[t+2]=p,e[t+3]=v;return}if(h!==v||l!==d||c!==f||u!==p){let x=1-o,g=l*d+c*f+u*p+h*v,m=g>=0?1:-1,w=1-g*g;if(w>Number.EPSILON){let M=Math.sqrt(w),S=Math.atan2(M,g*m);x=Math.sin(x*S)/M,o=Math.sin(o*S)/M}let y=o*m;if(l=l*x+d*y,c=c*x+f*y,u=u*x+p*y,h=h*x+v*y,x===1-o){let M=1/Math.sqrt(l*l+c*c+u*u+h*h);l*=M,c*=M,u*=M,h*=M}}e[t]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h}static multiplyQuaternionsFlat(e,t,n,i,r,a){let o=n[i],l=n[i+1],c=n[i+2],u=n[i+3],h=r[a],d=r[a+1],f=r[a+2],p=r[a+3];return e[t]=o*p+u*h+l*f-c*d,e[t+1]=l*p+u*d+c*h-o*f,e[t+2]=c*p+u*f+o*d-l*h,e[t+3]=u*p-o*h-l*d-c*f,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!(e&&e.isEuler))throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");let n=e._x,i=e._y,r=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(n/2),u=o(i/2),h=o(r/2),d=l(n/2),f=l(i/2),p=l(r/2);switch(a){case"XYZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"YXZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"ZXY":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"ZYX":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"YZX":this._x=d*u*h+c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h-d*f*p;break;case"XZY":this._x=d*u*h-c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h+d*f*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,n=t[0],i=t[4],r=t[8],a=t[1],o=t[5],l=t[9],c=t[2],u=t[6],h=t[10],d=n+o+h;if(d>0){let f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(u-l)*f,this._y=(r-c)*f,this._z=(a-i)*f}else if(n>o&&n>h){let f=2*Math.sqrt(1+n-o-h);this._w=(u-l)/f,this._x=.25*f,this._y=(i+a)/f,this._z=(r+c)/f}else if(o>h){let f=2*Math.sqrt(1+o-n-h);this._w=(r-c)/f,this._x=(i+a)/f,this._y=.25*f,this._z=(l+u)/f}else{let f=2*Math.sqrt(1+h-n-o);this._w=(a-i)/f,this._x=(r+c)/f,this._y=(l+u)/f,this._z=.25*f}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<Number.EPSILON?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(Lt(this.dot(e),-1,1)))}rotateTowards(e,t){let n=this.angleTo(e);if(n===0)return this;let i=Math.min(1,t/n);return this.slerp(e,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return t!==void 0?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let n=e._x,i=e._y,r=e._z,a=e._w,o=t._x,l=t._y,c=t._z,u=t._w;return this._x=n*u+a*o+i*c-r*l,this._y=i*u+a*l+r*o-n*c,this._z=r*u+a*c+n*l-i*o,this._w=a*u-n*o-i*l-r*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let n=this._x,i=this._y,r=this._z,a=this._w,o=a*e._w+n*e._x+i*e._y+r*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;let l=1-o*o;if(l<=Number.EPSILON){let f=1-t;return this._w=f*a+t*this._w,this._x=f*n+t*this._x,this._y=f*i+t*this._y,this._z=f*r+t*this._z,this.normalize(),this._onChangeCallback(),this}let c=Math.sqrt(l),u=Math.atan2(c,o),h=Math.sin((1-t)*u)/c,d=Math.sin(t*u)/c;return this._w=a*h+this._w*d,this._x=n*h+this._x*d,this._y=i*h+this._y*d,this._z=r*h+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,n){this.copy(e).slerp(t,n)}random(){let e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),i=2*Math.PI*Math.random(),r=2*Math.PI*Math.random();return this.set(t*Math.cos(i),n*Math.sin(r),n*Math.cos(r),t*Math.sin(i))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};gt.prototype.isQuaternion=!0;var A=class{constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(md.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(md.setFromAxisAngle(e,t))}applyMatrix3(e){let t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6]*i,this.y=r[1]*t+r[4]*n+r[7]*i,this.z=r[2]*t+r[5]*n+r[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,r=e.elements,a=1/(r[3]*t+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*t+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*t+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*t+r[6]*n+r[10]*i+r[14])*a,this}applyQuaternion(e){let t=this.x,n=this.y,i=this.z,r=e.x,a=e.y,o=e.z,l=e.w,c=l*t+a*i-o*n,u=l*n+o*t-r*i,h=l*i+r*n-a*t,d=-r*t-a*n-o*i;return this.x=c*l+d*-r+u*-o-h*-a,this.y=u*l+d*-a+h*-r-c*-o,this.z=h*l+d*-o+c*-a-u*-r,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){let t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*i,this.y=r[1]*t+r[5]*n+r[9]*i,this.z=r[2]*t+r[6]*n+r[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e,t){return t!==void 0?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){let n=e.x,i=e.y,r=e.z,a=t.x,o=t.y,l=t.z;return this.x=i*l-r*o,this.y=r*a-n*l,this.z=n*o-i*a,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Fl.copy(this).projectOnVector(e),this.sub(Fl)}reflect(e){return this.sub(Fl.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let n=this.dot(e)/t;return Math.acos(Lt(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){let i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,n){return n!==void 0&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=(Math.random()-.5)*2,t=Math.random()*Math.PI*2,n=Math.sqrt(1-Yn(e,2));return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}};A.prototype.isVector3=!0;var Fl=new A,md=new gt,It=class{constructor(e=new A(1/0,1/0,1/0),t=new A(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.length;l<c;l+=3){let u=e[l],h=e[l+1],d=e[l+2];u<t&&(t=u),h<n&&(n=h),d<i&&(i=d),u>r&&(r=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(r,a,o),this}setFromBufferAttribute(e){let t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.count;l<c;l++){let u=e.getX(l),h=e.getY(l),d=e.getZ(l);u<t&&(t=u),h<n&&(n=h),d<i&&(i=d),u>r&&(r=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(r,a,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let n=Ps.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e){return this.makeEmpty(),this.expandByObject(e)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e){e.updateWorldMatrix(!1,!1);let t=e.geometry;t!==void 0&&(t.boundingBox===null&&t.computeBoundingBox(),Ol.copy(t.boundingBox),Ol.applyMatrix4(e.matrixWorld),this.union(Ol));let n=e.children;for(let i=0,r=n.length;i<r;i++)this.expandByObject(n[i]);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,Ps),Ps.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Ds),Ra.subVectors(this.max,Ds),mr.subVectors(e.a,Ds),gr.subVectors(e.b,Ds),vr.subVectors(e.c,Ds),Jn.subVectors(gr,mr),Kn.subVectors(vr,gr),Oi.subVectors(mr,vr);let t=[0,-Jn.z,Jn.y,0,-Kn.z,Kn.y,0,-Oi.z,Oi.y,Jn.z,0,-Jn.x,Kn.z,0,-Kn.x,Oi.z,0,-Oi.x,-Jn.y,Jn.x,0,-Kn.y,Kn.x,0,-Oi.y,Oi.x,0];return!Ul(t,mr,gr,vr,Ra)||(t=[1,0,0,0,1,0,0,0,1],!Ul(t,mr,gr,vr,Ra))?!1:(Pa.crossVectors(Jn,Kn),t=[Pa.x,Pa.y,Pa.z],Ul(t,mr,gr,vr,Ra))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return Ps.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=this.getSize(Ps).length()*.5,e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Pn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Pn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Pn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Pn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Pn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Pn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Pn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Pn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Pn),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}};It.prototype.isBox3=!0;var Pn=[new A,new A,new A,new A,new A,new A,new A,new A],Ps=new A,Ol=new It,mr=new A,gr=new A,vr=new A,Jn=new A,Kn=new A,Oi=new A,Ds=new A,Ra=new A,Pa=new A,Ui=new A;function Ul(s,e,t,n,i){for(let r=0,a=s.length-3;r<=a;r+=3){Ui.fromArray(s,r);let o=i.x*Math.abs(Ui.x)+i.y*Math.abs(Ui.y)+i.z*Math.abs(Ui.z),l=e.dot(Ui),c=t.dot(Ui),u=n.dot(Ui);if(Math.max(-Math.max(l,c,u),Math.min(l,c,u))>o)return!1}return!0}var gg=new It,gd=new A,Nl=new A,Hl=new A,Dn=class{constructor(e=new A,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let n=this.center;t!==void 0?n.copy(t):gg.setFromPoints(e).getCenter(n);let i=0;for(let r=0,a=e.length;r<a;r++)i=Math.max(i,n.distanceToSquared(e[r]));return this.radius=Math.sqrt(i),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){let t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){let n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){Hl.subVectors(e,this.center);let t=Hl.lengthSq();if(t>this.radius*this.radius){let n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.add(Hl.multiplyScalar(i/n)),this.radius+=i}return this}union(e){return Nl.subVectors(e.center,this.center).normalize().multiplyScalar(e.radius),this.expandByPoint(gd.copy(e.center).add(Nl)),this.expandByPoint(gd.copy(e.center).sub(Nl)),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},Ln=new A,zl=new A,Da=new A,$n=new A,Gl=new A,La=new A,kl=new A,In=class{constructor(e=new A,t=new A(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,Ln)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=Ln.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Ln.copy(this.direction).multiplyScalar(t).add(this.origin),Ln.distanceToSquared(e))}distanceSqToSegment(e,t,n,i){zl.copy(e).add(t).multiplyScalar(.5),Da.copy(t).sub(e).normalize(),$n.copy(this.origin).sub(zl);let r=e.distanceTo(t)*.5,a=-this.direction.dot(Da),o=$n.dot(this.direction),l=-$n.dot(Da),c=$n.lengthSq(),u=Math.abs(1-a*a),h,d,f,p;if(u>0)if(h=a*l-o,d=a*o-l,p=r*u,h>=0)if(d>=-p)if(d<=p){let v=1/u;h*=v,d*=v,f=h*(h+a*d+2*o)+d*(a*h+d+2*l)+c}else d=r,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d=-r,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d<=-p?(h=Math.max(0,-(-a*r+o)),d=h>0?-r:Math.min(Math.max(-r,-l),r),f=-h*h+d*(d+2*l)+c):d<=p?(h=0,d=Math.min(Math.max(-r,-l),r),f=d*(d+2*l)+c):(h=Math.max(0,-(a*r+o)),d=h>0?r:Math.min(Math.max(-r,-l),r),f=-h*h+d*(d+2*l)+c);else d=a>0?-r:r,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;return n&&n.copy(this.direction).multiplyScalar(h).add(this.origin),i&&i.copy(Da).multiplyScalar(d).add(zl),f}intersectSphere(e,t){Ln.subVectors(e.center,this.origin);let n=Ln.dot(this.direction),i=Ln.dot(Ln)-n*n,r=e.radius*e.radius;if(i>r)return null;let a=Math.sqrt(r-i),o=n-a,l=n+a;return o<0&&l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){let n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,i,r,a,o,l,c=1/this.direction.x,u=1/this.direction.y,h=1/this.direction.z,d=this.origin;return c>=0?(n=(e.min.x-d.x)*c,i=(e.max.x-d.x)*c):(n=(e.max.x-d.x)*c,i=(e.min.x-d.x)*c),u>=0?(r=(e.min.y-d.y)*u,a=(e.max.y-d.y)*u):(r=(e.max.y-d.y)*u,a=(e.min.y-d.y)*u),n>a||r>i||((r>n||n!==n)&&(n=r),(a<i||i!==i)&&(i=a),h>=0?(o=(e.min.z-d.z)*h,l=(e.max.z-d.z)*h):(o=(e.max.z-d.z)*h,l=(e.min.z-d.z)*h),n>l||o>i)||((o>n||n!==n)&&(n=o),(l<i||i!==i)&&(i=l),i<0)?null:this.at(n>=0?n:i,t)}intersectsBox(e){return this.intersectBox(e,Ln)!==null}intersectTriangle(e,t,n,i,r){Gl.subVectors(t,e),La.subVectors(n,e),kl.crossVectors(Gl,La);let a=this.direction.dot(kl),o;if(a>0){if(i)return null;o=1}else if(a<0)o=-1,a=-a;else return null;$n.subVectors(this.origin,e);let l=o*this.direction.dot(La.crossVectors($n,La));if(l<0)return null;let c=o*this.direction.dot(Gl.cross($n));if(c<0||l+c>a)return null;let u=-o*$n.dot(kl);return u<0?null:this.at(u/a,r)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},ge=class{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,i,r,a,o,l,c,u,h,d,f,p,v,x){let g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=r,g[5]=a,g[9]=o,g[13]=l,g[2]=c,g[6]=u,g[10]=h,g[14]=d,g[3]=f,g[7]=p,g[11]=v,g[15]=x,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new ge().fromArray(this.elements)}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){let t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,n=e.elements,i=1/xr.setFromMatrixColumn(e,0).length(),r=1/xr.setFromMatrixColumn(e,1).length(),a=1/xr.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");let t=this.elements,n=e.x,i=e.y,r=e.z,a=Math.cos(n),o=Math.sin(n),l=Math.cos(i),c=Math.sin(i),u=Math.cos(r),h=Math.sin(r);if(e.order==="XYZ"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=-l*h,t[8]=c,t[1]=f+p*c,t[5]=d-v*c,t[9]=-o*l,t[2]=v-d*c,t[6]=p+f*c,t[10]=a*l}else if(e.order==="YXZ"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d+v*o,t[4]=p*o-f,t[8]=a*c,t[1]=a*h,t[5]=a*u,t[9]=-o,t[2]=f*o-p,t[6]=v+d*o,t[10]=a*l}else if(e.order==="ZXY"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d-v*o,t[4]=-a*h,t[8]=p+f*o,t[1]=f+p*o,t[5]=a*u,t[9]=v-d*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=p*c-f,t[8]=d*c+v,t[1]=l*h,t[5]=v*c+d,t[9]=f*c-p,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=v-d*h,t[8]=p*h+f,t[1]=h,t[5]=a*u,t[9]=-o*u,t[2]=-c*u,t[6]=f*h+p,t[10]=d-v*h}else if(e.order==="XZY"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=-h,t[8]=c*u,t[1]=d*h+v,t[5]=a*u,t[9]=f*h-p,t[2]=p*h-f,t[6]=o*u,t[10]=v*h+d}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(vg,e,xg)}lookAt(e,t,n){let i=this.elements;return Yt.subVectors(e,t),Yt.lengthSq()===0&&(Yt.z=1),Yt.normalize(),ei.crossVectors(n,Yt),ei.lengthSq()===0&&(Math.abs(n.z)===1?Yt.x+=1e-4:Yt.z+=1e-4,Yt.normalize(),ei.crossVectors(n,Yt)),ei.normalize(),Ia.crossVectors(Yt,ei),i[0]=ei.x,i[4]=Ia.x,i[8]=Yt.x,i[1]=ei.y,i[5]=Ia.y,i[9]=Yt.y,i[2]=ei.z,i[6]=Ia.z,i[10]=Yt.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[4],l=n[8],c=n[12],u=n[1],h=n[5],d=n[9],f=n[13],p=n[2],v=n[6],x=n[10],g=n[14],m=n[3],w=n[7],y=n[11],M=n[15],S=i[0],b=i[4],R=i[8],I=i[12],L=i[1],P=i[5],Z=i[9],O=i[13],F=i[2],z=i[6],N=i[10],G=i[14],ne=i[3],fe=i[7],j=i[11],Y=i[15];return r[0]=a*S+o*L+l*F+c*ne,r[4]=a*b+o*P+l*z+c*fe,r[8]=a*R+o*Z+l*N+c*j,r[12]=a*I+o*O+l*G+c*Y,r[1]=u*S+h*L+d*F+f*ne,r[5]=u*b+h*P+d*z+f*fe,r[9]=u*R+h*Z+d*N+f*j,r[13]=u*I+h*O+d*G+f*Y,r[2]=p*S+v*L+x*F+g*ne,r[6]=p*b+v*P+x*z+g*fe,r[10]=p*R+v*Z+x*N+g*j,r[14]=p*I+v*O+x*G+g*Y,r[3]=m*S+w*L+y*F+M*ne,r[7]=m*b+w*P+y*z+M*fe,r[11]=m*R+w*Z+y*N+M*j,r[15]=m*I+w*O+y*G+M*Y,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[4],i=e[8],r=e[12],a=e[1],o=e[5],l=e[9],c=e[13],u=e[2],h=e[6],d=e[10],f=e[14],p=e[3],v=e[7],x=e[11],g=e[15];return p*(+r*l*h-i*c*h-r*o*d+n*c*d+i*o*f-n*l*f)+v*(+t*l*f-t*c*d+r*a*d-i*a*f+i*c*u-r*l*u)+x*(+t*c*h-t*o*f-r*a*h+n*a*f+r*o*u-n*c*u)+g*(-i*o*u-t*l*h+t*o*d+i*a*h-n*a*d+n*l*u)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){let i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this}invert(){let e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8],h=e[9],d=e[10],f=e[11],p=e[12],v=e[13],x=e[14],g=e[15],m=h*x*c-v*d*c+v*l*f-o*x*f-h*l*g+o*d*g,w=p*d*c-u*x*c-p*l*f+a*x*f+u*l*g-a*d*g,y=u*v*c-p*h*c+p*o*f-a*v*f-u*o*g+a*h*g,M=p*h*l-u*v*l-p*o*d+a*v*d+u*o*x-a*h*x,S=t*m+n*w+i*y+r*M;if(S===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let b=1/S;return e[0]=m*b,e[1]=(v*d*r-h*x*r-v*i*f+n*x*f+h*i*g-n*d*g)*b,e[2]=(o*x*r-v*l*r+v*i*c-n*x*c-o*i*g+n*l*g)*b,e[3]=(h*l*r-o*d*r-h*i*c+n*d*c+o*i*f-n*l*f)*b,e[4]=w*b,e[5]=(u*x*r-p*d*r+p*i*f-t*x*f-u*i*g+t*d*g)*b,e[6]=(p*l*r-a*x*r-p*i*c+t*x*c+a*i*g-t*l*g)*b,e[7]=(a*d*r-u*l*r+u*i*c-t*d*c-a*i*f+t*l*f)*b,e[8]=y*b,e[9]=(p*h*r-u*v*r-p*n*f+t*v*f+u*n*g-t*h*g)*b,e[10]=(a*v*r-p*o*r+p*n*c-t*v*c-a*n*g+t*o*g)*b,e[11]=(u*o*r-a*h*r-u*n*c+t*h*c+a*n*f-t*o*f)*b,e[12]=M*b,e[13]=(u*v*i-p*h*i+p*n*d-t*v*d-u*n*x+t*h*x)*b,e[14]=(p*o*i-a*v*i-p*n*l+t*v*l+a*n*x-t*o*x)*b,e[15]=(a*h*i-u*o*i+u*n*l-t*h*l-a*n*d+t*o*d)*b,this}scale(e){let t=this.elements,n=e.x,i=e.y,r=e.z;return t[0]*=n,t[4]*=i,t[8]*=r,t[1]*=n,t[5]*=i,t[9]*=r,t[2]*=n,t[6]*=i,t[10]*=r,t[3]*=n,t[7]*=i,t[11]*=r,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let n=Math.cos(t),i=Math.sin(t),r=1-n,a=e.x,o=e.y,l=e.z,c=r*a,u=r*o;return this.set(c*a+n,c*o-i*l,c*l+i*o,0,c*o+i*l,u*o+n,u*l-i*a,0,c*l-i*o,u*l+i*a,r*l*l+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,i,r,a){return this.set(1,n,r,0,e,1,a,0,t,i,1,0,0,0,0,1),this}compose(e,t,n){let i=this.elements,r=t._x,a=t._y,o=t._z,l=t._w,c=r+r,u=a+a,h=o+o,d=r*c,f=r*u,p=r*h,v=a*u,x=a*h,g=o*h,m=l*c,w=l*u,y=l*h,M=n.x,S=n.y,b=n.z;return i[0]=(1-(v+g))*M,i[1]=(f+y)*M,i[2]=(p-w)*M,i[3]=0,i[4]=(f-y)*S,i[5]=(1-(d+g))*S,i[6]=(x+m)*S,i[7]=0,i[8]=(p+w)*b,i[9]=(x-m)*b,i[10]=(1-(d+v))*b,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,t,n){let i=this.elements,r=xr.set(i[0],i[1],i[2]).length(),a=xr.set(i[4],i[5],i[6]).length(),o=xr.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),e.x=i[12],e.y=i[13],e.z=i[14],un.copy(this);let c=1/r,u=1/a,h=1/o;return un.elements[0]*=c,un.elements[1]*=c,un.elements[2]*=c,un.elements[4]*=u,un.elements[5]*=u,un.elements[6]*=u,un.elements[8]*=h,un.elements[9]*=h,un.elements[10]*=h,t.setFromRotationMatrix(un),n.x=r,n.y=a,n.z=o,this}makePerspective(e,t,n,i,r,a){a===void 0&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");let o=this.elements,l=2*r/(t-e),c=2*r/(n-i),u=(t+e)/(t-e),h=(n+i)/(n-i),d=-(a+r)/(a-r),f=-2*a*r/(a-r);return o[0]=l,o[4]=0,o[8]=u,o[12]=0,o[1]=0,o[5]=c,o[9]=h,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=f,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,n,i,r,a){let o=this.elements,l=1/(t-e),c=1/(n-i),u=1/(a-r),h=(t+e)*l,d=(n+i)*c,f=(a+r)*u;return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-h,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=-2*u,o[14]=-f,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){let t=this.elements,n=e.elements;for(let i=0;i<16;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}};ge.prototype.isMatrix4=!0;var xr=new A,un=new ge,vg=new A(0,0,0),xg=new A(1,1,1),ei=new A,Ia=new A,Yt=new A,vd=new ge,xd=new gt,ti=class{constructor(e=0,t=0,n=0,i=ti.DefaultOrder){this._x=e,this._y=t,this._z=n,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,i=this._order){return this._x=e,this._y=t,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){let i=e.elements,r=i[0],a=i[4],o=i[8],l=i[1],c=i[5],u=i[9],h=i[2],d=i[6],f=i[10];switch(t){case"XYZ":this._y=Math.asin(Lt(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-u,f),this._z=Math.atan2(-a,r)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-Lt(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(Lt(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,r));break;case"ZYX":this._y=Math.asin(-Lt(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,r)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(Lt(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-Lt(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,r)):(this._x=Math.atan2(-u,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,n===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return vd.makeRotationFromQuaternion(e),this.setFromRotationMatrix(vd,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return xd.setFromEuler(this),this.setFromQuaternion(xd,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new A(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};ti.prototype.isEuler=!0;ti.DefaultOrder="XYZ";ti.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];var Ba=class{constructor(){this.mask=1|0}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=4294967295|0}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return(this.mask&e.mask)!=0}isEnabled(e){return(this.mask&(1<<e|0))!=0}},yg=0,yd=new A,yr=new gt,Bn=new ge,Fa=new A,Ls=new A,wg=new A,bg=new gt,wd=new A(1,0,0),bd=new A(0,1,0),Ad=new A(0,0,1),Ag={type:"added"},Md={type:"removed"},Te=class extends Ht{constructor(){super();Object.defineProperty(this,"id",{value:yg++}),this.uuid=jt(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Te.DefaultUp.clone();let e=new A,t=new ti,n=new gt,i=new A(1,1,1);function r(){n.setFromEuler(t,!1)}function a(){t.setFromQuaternion(n,void 0,!1)}t._onChange(r),n._onChange(a),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new ge},normalMatrix:{value:new wt}}),this.matrix=new ge,this.matrixWorld=new ge,this.matrixAutoUpdate=Te.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new Ba,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return yr.setFromAxisAngle(e,t),this.quaternion.multiply(yr),this}rotateOnWorldAxis(e,t){return yr.setFromAxisAngle(e,t),this.quaternion.premultiply(yr),this}rotateX(e){return this.rotateOnAxis(wd,e)}rotateY(e){return this.rotateOnAxis(bd,e)}rotateZ(e){return this.rotateOnAxis(Ad,e)}translateOnAxis(e,t){return yd.copy(e).applyQuaternion(this.quaternion),this.position.add(yd.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(wd,e)}translateY(e){return this.translateOnAxis(bd,e)}translateZ(e){return this.translateOnAxis(Ad,e)}localToWorld(e){return e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return e.applyMatrix4(Bn.copy(this.matrixWorld).invert())}lookAt(e,t,n){e.isVector3?Fa.copy(e):Fa.set(e,t,n);let i=this.parent;this.updateWorldMatrix(!0,!1),Ls.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Bn.lookAt(Ls,Fa,this.up):Bn.lookAt(Fa,Ls,this.up),this.quaternion.setFromRotationMatrix(Bn),i&&(Bn.extractRotation(i.matrixWorld),yr.setFromRotationMatrix(Bn),this.quaternion.premultiply(yr.invert()))}add(e){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(e.parent!==null&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(Ag)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let n=0;n<arguments.length;n++)this.remove(arguments[n]);return this}let t=this.children.indexOf(e);return t!==-1&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(Md)),this}removeFromParent(){let e=this.parent;return e!==null&&e.remove(this),this}clear(){for(let e=0;e<this.children.length;e++){let t=this.children[e];t.parent=null,t.dispatchEvent(Md)}return this.children.length=0,this}attach(e){return this.updateWorldMatrix(!0,!1),Bn.copy(this.matrixWorld).invert(),e.parent!==null&&(e.parent.updateWorldMatrix(!0,!1),Bn.multiply(e.parent.matrixWorld)),e.applyMatrix4(Bn),this.add(e),e.updateWorldMatrix(!1,!0),this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let n=0,i=this.children.length;n<i;n++){let a=this.children[n].getObjectByProperty(e,t);if(a!==void 0)return a}}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ls,e,wg),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ls,bg,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);let t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverse(e)}traverseVisible(e){if(this.visible===!1)return;e(this);let t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverseVisible(e)}traverseAncestors(e){let t=this.parent;t!==null&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);let t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].updateMatrixWorld(e)}updateWorldMatrix(e,t){let n=this.parent;if(e===!0&&n!==null&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),t===!0){let i=this.children;for(let r=0,a=i.length;r<a;r++)i[r].updateWorldMatrix(!1,!0)}}toJSON(e){let t=e===void 0||typeof e=="string",n={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});let i={};i.uuid=this.uuid,i.type=this.type,this.name!==""&&(i.name=this.name),this.castShadow===!0&&(i.castShadow=!0),this.receiveShadow===!0&&(i.receiveShadow=!0),this.visible===!1&&(i.visible=!1),this.frustumCulled===!1&&(i.frustumCulled=!1),this.renderOrder!==0&&(i.renderOrder=this.renderOrder),JSON.stringify(this.userData)!=="{}"&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),this.matrixAutoUpdate===!1&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(i.instanceColor=this.instanceColor.toJSON()));function r(o,l){return o[l.uuid]===void 0&&(o[l.uuid]=l.toJSON(e)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&(i.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(e.geometries,this.geometry);let o=this.geometry.parameters;if(o!==void 0&&o.shapes!==void 0){let l=o.shapes;if(Array.isArray(l))for(let c=0,u=l.length;c<u;c++){let h=l[c];r(e.shapes,h)}else r(e.shapes,l)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),this.skeleton!==void 0&&(r(e.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),this.material!==void 0)if(Array.isArray(this.material)){let o=[];for(let l=0,c=this.material.length;l<c;l++)o.push(r(e.materials,this.material[l]));i.material=o}else i.material=r(e.materials,this.material);if(this.children.length>0){i.children=[];for(let o=0;o<this.children.length;o++)i.children.push(this.children[o].toJSON(e).object)}if(this.animations.length>0){i.animations=[];for(let o=0;o<this.animations.length;o++){let l=this.animations[o];i.animations.push(r(e.animations,l))}}if(t){let o=a(e.geometries),l=a(e.materials),c=a(e.textures),u=a(e.images),h=a(e.shapes),d=a(e.skeletons),f=a(e.animations);o.length>0&&(n.geometries=o),l.length>0&&(n.materials=l),c.length>0&&(n.textures=c),u.length>0&&(n.images=u),h.length>0&&(n.shapes=h),d.length>0&&(n.skeletons=d),f.length>0&&(n.animations=f)}return n.object=i,n;function a(o){let l=[];for(let c in o){let u=o[c];delete u.metadata,l.push(u)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let n=0;n<e.children.length;n++){let i=e.children[n];this.add(i.clone())}return this}};Te.DefaultUp=new A(0,1,0);Te.DefaultMatrixAutoUpdate=!0;Te.prototype.isObject3D=!0;var hn=new A,Fn=new A,Vl=new A,On=new A,wr=new A,br=new A,Ed=new A,Wl=new A,jl=new A,Yl=new A,ut=class{constructor(e=new A,t=new A,n=new A){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,i){i.subVectors(n,t),hn.subVectors(e,t),i.cross(hn);let r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(e,t,n,i,r){hn.subVectors(i,t),Fn.subVectors(n,t),Vl.subVectors(e,t);let a=hn.dot(hn),o=hn.dot(Fn),l=hn.dot(Vl),c=Fn.dot(Fn),u=Fn.dot(Vl),h=a*c-o*o;if(h===0)return r.set(-2,-1,-1);let d=1/h,f=(c*l-o*u)*d,p=(a*u-o*l)*d;return r.set(1-f-p,p,f)}static containsPoint(e,t,n,i){return this.getBarycoord(e,t,n,i,On),On.x>=0&&On.y>=0&&On.x+On.y<=1}static getUV(e,t,n,i,r,a,o,l){return this.getBarycoord(e,t,n,i,On),l.set(0,0),l.addScaledVector(r,On.x),l.addScaledVector(a,On.y),l.addScaledVector(o,On.z),l}static isFrontFacing(e,t,n,i){return hn.subVectors(n,t),Fn.subVectors(e,t),hn.cross(Fn).dot(i)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this}setFromAttributeAndIndices(e,t,n,i){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,i),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return hn.subVectors(this.c,this.b),Fn.subVectors(this.a,this.b),hn.cross(Fn).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return ut.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return ut.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,i,r){return ut.getUV(e,this.a,this.b,this.c,t,n,i,r)}containsPoint(e){return ut.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return ut.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let n=this.a,i=this.b,r=this.c,a,o;wr.subVectors(i,n),br.subVectors(r,n),Wl.subVectors(e,n);let l=wr.dot(Wl),c=br.dot(Wl);if(l<=0&&c<=0)return t.copy(n);jl.subVectors(e,i);let u=wr.dot(jl),h=br.dot(jl);if(u>=0&&h<=u)return t.copy(i);let d=l*h-u*c;if(d<=0&&l>=0&&u<=0)return a=l/(l-u),t.copy(n).addScaledVector(wr,a);Yl.subVectors(e,r);let f=wr.dot(Yl),p=br.dot(Yl);if(p>=0&&f<=p)return t.copy(r);let v=f*c-l*p;if(v<=0&&c>=0&&p<=0)return o=c/(c-p),t.copy(n).addScaledVector(br,o);let x=u*p-f*h;if(x<=0&&h-u>=0&&f-p>=0)return Ed.subVectors(r,i),o=(h-u)/(h-u+(f-p)),t.copy(i).addScaledVector(Ed,o);let g=1/(x+v+d);return a=v*g,o=d*g,t.copy(n).addScaledVector(wr,a).addScaledVector(br,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},Mg=0,ht=class extends Ht{constructor(){super();Object.defineProperty(this,"id",{value:Mg++}),this.uuid=jt(),this.name="",this.type="Material",this.fog=!0,this.blending=lr,this.side=Tn,this.vertexColors=!1,this.opacity=1,this.format=ct,this.transparent=!1,this.blendSrc=fl,this.blendDst=pl,this.blendEquation=Ti,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=va,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=ud,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Ta,this.stencilZFail=Ta,this.stencilZPass=Ta,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let n=e[t];if(n===void 0){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if(t==="shading"){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=n===ll;continue}let i=this[t];if(i===void 0){console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.");continue}i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[t]=n}}toJSON(e){let t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});let n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};n.uuid=this.uuid,n.type=this.type,this.name!==""&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheen!==void 0&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==lr&&(n.blending=this.blending),this.side!==Tn&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.format!==ct&&(n.format=this.format),this.transparent===!0&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaToCoverage===!0&&(n.alphaToCoverage=this.alphaToCoverage),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=this.premultipliedAlpha),this.wireframe===!0&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=this.flatShading),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),JSON.stringify(this.userData)!=="{}"&&(n.userData=this.userData);function i(r){let a=[];for(let o in r){let l=r[o];delete l.metadata,a.push(l)}return a}if(t){let r=i(e.textures),a=i(e.images);r.length>0&&(n.textures=r),a.length>0&&(n.images=a)}return n}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.format=e.format,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,n=null;if(t!==null){let i=t.length;n=new Array(i);for(let r=0;r!==i;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}};ht.prototype.isMaterial=!0;var _d={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},dn={h:0,s:0,l:0},Oa={h:0,s:0,l:0};function Xl(s,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?s+(e-s)*6*t:t<1/2?e:t<2/3?s+(e-s)*6*(2/3-t):s}function Ql(s){return s<.04045?s*.0773993808:Math.pow(s*.9478672986+.0521327014,2.4)}function ql(s){return s<.0031308?s*12.92:1.055*Math.pow(s,.41666)-.055}var ee=class{constructor(e,t,n){return t===void 0&&n===void 0?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):typeof e=="number"?this.setHex(e):typeof e=="string"&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,this}setRGB(e,t,n){return this.r=e,this.g=t,this.b=n,this}setHSL(e,t,n){if(e=Dl(e,1),t=Lt(t,0,1),n=Lt(n,0,1),t===0)this.r=this.g=this.b=n;else{let i=n<=.5?n*(1+t):n+t-n*t,r=2*n-i;this.r=Xl(r,i,e+1/3),this.g=Xl(r,i,e),this.b=Xl(r,i,e-1/3)}return this}setStyle(e){function t(i){i!==void 0&&parseFloat(i)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let i,r=n[1],a=n[2];switch(r){case"rgb":case"rgba":if(i=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(i[1],10))/255,this.g=Math.min(255,parseInt(i[2],10))/255,this.b=Math.min(255,parseInt(i[3],10))/255,t(i[4]),this;if(i=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(i[1],10))/100,this.g=Math.min(100,parseInt(i[2],10))/100,this.b=Math.min(100,parseInt(i[3],10))/100,t(i[4]),this;break;case"hsl":case"hsla":if(i=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a)){let o=parseFloat(i[1])/360,l=parseInt(i[2],10)/100,c=parseInt(i[3],10)/100;return t(i[4]),this.setHSL(o,l,c)}break}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){let i=n[1],r=i.length;if(r===3)return this.r=parseInt(i.charAt(0)+i.charAt(0),16)/255,this.g=parseInt(i.charAt(1)+i.charAt(1),16)/255,this.b=parseInt(i.charAt(2)+i.charAt(2),16)/255,this;if(r===6)return this.r=parseInt(i.charAt(0)+i.charAt(1),16)/255,this.g=parseInt(i.charAt(2)+i.charAt(3),16)/255,this.b=parseInt(i.charAt(4)+i.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this}setColorName(e){let t=_d[e.toLowerCase()];return t!==void 0?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copyGammaToLinear(e,t=2){return this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this}copyLinearToGamma(e,t=2){let n=t>0?1/t:1;return this.r=Math.pow(e.r,n),this.g=Math.pow(e.g,n),this.b=Math.pow(e.b,n),this}convertGammaToLinear(e){return this.copyGammaToLinear(this,e),this}convertLinearToGamma(e){return this.copyLinearToGamma(this,e),this}copySRGBToLinear(e){return this.r=Ql(e.r),this.g=Ql(e.g),this.b=Ql(e.b),this}copyLinearToSRGB(e){return this.r=ql(e.r),this.g=ql(e.g),this.b=ql(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return this.r*255<<16^this.g*255<<8^this.b*255<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(e){let t=this.r,n=this.g,i=this.b,r=Math.max(t,n,i),a=Math.min(t,n,i),o,l,c=(a+r)/2;if(a===r)o=0,l=0;else{let u=r-a;switch(l=c<=.5?u/(r+a):u/(2-r-a),r){case t:o=(n-i)/u+(n<i?6:0);break;case n:o=(i-t)/u+2;break;case i:o=(t-n)/u+4;break}o/=6}return e.h=o,e.s=l,e.l=c,e}getStyle(){return"rgb("+(this.r*255|0)+","+(this.g*255|0)+","+(this.b*255|0)+")"}offsetHSL(e,t,n){return this.getHSL(dn),dn.h+=e,dn.s+=t,dn.l+=n,this.setHSL(dn.h,dn.s,dn.l),this}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(dn),e.getHSL(Oa);let n=Rs(dn.h,Oa.h,t),i=Rs(dn.s,Oa.s,t),r=Rs(dn.l,Oa.l,t);return this.setHSL(n,i,r),this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),e.normalized===!0&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}};ee.NAMES=_d;ee.prototype.isColor=!0;ee.prototype.r=1;ee.prototype.g=1;ee.prototype.b=1;var zt=class extends ht{constructor(e){super();this.type="MeshBasicMaterial",this.color=new ee(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=xs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};zt.prototype.isMeshBasicMaterial=!0;var Ke=new A,Ua=new U,pe=class{constructor(e,t,n){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=e,this.itemSize=t,this.count=e!==void 0?e.length/t:0,this.normalized=n===!0,this.usage=dr,this.updateRange={offset:0,count:-1},this.version=0}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this}copyAt(e,t,n){e*=this.itemSize,n*=t.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[e+i]=t.array[n+i];return this}copyArray(e){return this.array.set(e),this}copyColorsArray(e){let t=this.array,n=0;for(let i=0,r=e.length;i<r;i++){let a=e[i];a===void 0&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",i),a=new ee),t[n++]=a.r,t[n++]=a.g,t[n++]=a.b}return this}copyVector2sArray(e){let t=this.array,n=0;for(let i=0,r=e.length;i<r;i++){let a=e[i];a===void 0&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",i),a=new U),t[n++]=a.x,t[n++]=a.y}return this}copyVector3sArray(e){let t=this.array,n=0;for(let i=0,r=e.length;i<r;i++){let a=e[i];a===void 0&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",i),a=new A),t[n++]=a.x,t[n++]=a.y,t[n++]=a.z}return this}copyVector4sArray(e){let t=this.array,n=0;for(let i=0,r=e.length;i<r;i++){let a=e[i];a===void 0&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",i),a=new Ye),t[n++]=a.x,t[n++]=a.y,t[n++]=a.z,t[n++]=a.w}return this}applyMatrix3(e){if(this.itemSize===2)for(let t=0,n=this.count;t<n;t++)Ua.fromBufferAttribute(this,t),Ua.applyMatrix3(e),this.setXY(t,Ua.x,Ua.y);else if(this.itemSize===3)for(let t=0,n=this.count;t<n;t++)Ke.fromBufferAttribute(this,t),Ke.applyMatrix3(e),this.setXYZ(t,Ke.x,Ke.y,Ke.z);return this}applyMatrix4(e){for(let t=0,n=this.count;t<n;t++)Ke.x=this.getX(t),Ke.y=this.getY(t),Ke.z=this.getZ(t),Ke.applyMatrix4(e),this.setXYZ(t,Ke.x,Ke.y,Ke.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)Ke.x=this.getX(t),Ke.y=this.getY(t),Ke.z=this.getZ(t),Ke.applyNormalMatrix(e),this.setXYZ(t,Ke.x,Ke.y,Ke.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)Ke.x=this.getX(t),Ke.y=this.getY(t),Ke.z=this.getZ(t),Ke.transformDirection(e),this.setXYZ(t,Ke.x,Ke.y,Ke.z);return this}set(e,t=0){return this.array.set(e,t),this}getX(e){return this.array[e*this.itemSize]}setX(e,t){return this.array[e*this.itemSize]=t,this}getY(e){return this.array[e*this.itemSize+1]}setY(e,t){return this.array[e*this.itemSize+1]=t,this}getZ(e){return this.array[e*this.itemSize+2]}setZ(e,t){return this.array[e*this.itemSize+2]=t,this}getW(e){return this.array[e*this.itemSize+3]}setW(e,t){return this.array[e*this.itemSize+3]=t,this}setXY(e,t,n){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this}setXYZ(e,t,n,i){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=i,this}setXYZW(e,t,n,i,r){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=i,this.array[e+3]=r,this}onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){let e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized};return this.name!==""&&(e.name=this.name),this.usage!==dr&&(e.usage=this.usage),(this.updateRange.offset!==0||this.updateRange.count!==-1)&&(e.updateRange=this.updateRange),e}};pe.prototype.isBufferAttribute=!0;var Zl=class extends pe{constructor(e,t,n){super(new Int8Array(e),t,n)}},Jl=class extends pe{constructor(e,t,n){super(new Uint8Array(e),t,n)}},Kl=class extends pe{constructor(e,t,n){super(new Uint8ClampedArray(e),t,n)}},$l=class extends pe{constructor(e,t,n){super(new Int16Array(e),t,n)}},Is=class extends pe{constructor(e,t,n){super(new Uint16Array(e),t,n)}},ec=class extends pe{constructor(e,t,n){super(new Int32Array(e),t,n)}},Bs=class extends pe{constructor(e,t,n){super(new Uint32Array(e),t,n)}},tc=class extends pe{constructor(e,t,n){super(new Uint16Array(e),t,n)}};tc.prototype.isFloat16BufferAttribute=!0;var ce=class extends pe{constructor(e,t,n){super(new Float32Array(e),t,n)}},nc=class extends pe{constructor(e,t,n){super(new Float64Array(e),t,n)}},Eg=0,Kt=new ge,ic=new Te,Ar=new A,Xt=new It,Fs=new It,Tt=new A,de=class extends Ht{constructor(){super();Object.defineProperty(this,"id",{value:Eg++}),this.uuid=jt(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(fd(e)>65535?Bs:Is)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return this.attributes[e]!==void 0}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let t=this.attributes.position;t!==void 0&&(t.applyMatrix4(e),t.needsUpdate=!0);let n=this.attributes.normal;if(n!==void 0){let r=new wt().getNormalMatrix(e);n.applyNormalMatrix(r),n.needsUpdate=!0}let i=this.attributes.tangent;return i!==void 0&&(i.transformDirection(e),i.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}applyQuaternion(e){return Kt.makeRotationFromQuaternion(e),this.applyMatrix4(Kt),this}rotateX(e){return Kt.makeRotationX(e),this.applyMatrix4(Kt),this}rotateY(e){return Kt.makeRotationY(e),this.applyMatrix4(Kt),this}rotateZ(e){return Kt.makeRotationZ(e),this.applyMatrix4(Kt),this}translate(e,t,n){return Kt.makeTranslation(e,t,n),this.applyMatrix4(Kt),this}scale(e,t,n){return Kt.makeScale(e,t,n),this.applyMatrix4(Kt),this}lookAt(e){return ic.lookAt(e),ic.updateMatrix(),this.applyMatrix4(ic.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Ar).negate(),this.translate(Ar.x,Ar.y,Ar.z),this}setFromPoints(e){let t=[];for(let n=0,i=e.length;n<i;n++){let r=e[n];t.push(r.x,r.y,r.z||0)}return this.setAttribute("position",new ce(t,3)),this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new It);let e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),this.boundingBox.set(new A(-1/0,-1/0,-1/0),new A(1/0,1/0,1/0));return}if(e!==void 0){if(this.boundingBox.setFromBufferAttribute(e),t)for(let n=0,i=t.length;n<i;n++){let r=t[n];Xt.setFromBufferAttribute(r),this.morphTargetsRelative?(Tt.addVectors(this.boundingBox.min,Xt.min),this.boundingBox.expandByPoint(Tt),Tt.addVectors(this.boundingBox.max,Xt.max),this.boundingBox.expandByPoint(Tt)):(this.boundingBox.expandByPoint(Xt.min),this.boundingBox.expandByPoint(Xt.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new Dn);let e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),this.boundingSphere.set(new A,1/0);return}if(e){let n=this.boundingSphere.center;if(Xt.setFromBufferAttribute(e),t)for(let r=0,a=t.length;r<a;r++){let o=t[r];Fs.setFromBufferAttribute(o),this.morphTargetsRelative?(Tt.addVectors(Xt.min,Fs.min),Xt.expandByPoint(Tt),Tt.addVectors(Xt.max,Fs.max),Xt.expandByPoint(Tt)):(Xt.expandByPoint(Fs.min),Xt.expandByPoint(Fs.max))}Xt.getCenter(n);let i=0;for(let r=0,a=e.count;r<a;r++)Tt.fromBufferAttribute(e,r),i=Math.max(i,n.distanceToSquared(Tt));if(t)for(let r=0,a=t.length;r<a;r++){let o=t[r],l=this.morphTargetsRelative;for(let c=0,u=o.count;c<u;c++)Tt.fromBufferAttribute(o,c),l&&(Ar.fromBufferAttribute(e,c),Tt.add(Ar)),i=Math.max(i,n.distanceToSquared(Tt))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){let e=this.index,t=this.attributes;if(e===null||t.position===void 0||t.normal===void 0||t.uv===void 0){console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");return}let n=e.array,i=t.position.array,r=t.normal.array,a=t.uv.array,o=i.length/3;t.tangent===void 0&&this.setAttribute("tangent",new pe(new Float32Array(4*o),4));let l=t.tangent.array,c=[],u=[];for(let L=0;L<o;L++)c[L]=new A,u[L]=new A;let h=new A,d=new A,f=new A,p=new U,v=new U,x=new U,g=new A,m=new A;function w(L,P,Z){h.fromArray(i,L*3),d.fromArray(i,P*3),f.fromArray(i,Z*3),p.fromArray(a,L*2),v.fromArray(a,P*2),x.fromArray(a,Z*2),d.sub(h),f.sub(h),v.sub(p),x.sub(p);let O=1/(v.x*x.y-x.x*v.y);!isFinite(O)||(g.copy(d).multiplyScalar(x.y).addScaledVector(f,-v.y).multiplyScalar(O),m.copy(f).multiplyScalar(v.x).addScaledVector(d,-x.x).multiplyScalar(O),c[L].add(g),c[P].add(g),c[Z].add(g),u[L].add(m),u[P].add(m),u[Z].add(m))}let y=this.groups;y.length===0&&(y=[{start:0,count:n.length}]);for(let L=0,P=y.length;L<P;++L){let Z=y[L],O=Z.start,F=Z.count;for(let z=O,N=O+F;z<N;z+=3)w(n[z+0],n[z+1],n[z+2])}let M=new A,S=new A,b=new A,R=new A;function I(L){b.fromArray(r,L*3),R.copy(b);let P=c[L];M.copy(P),M.sub(b.multiplyScalar(b.dot(P))).normalize(),S.crossVectors(R,P);let O=S.dot(u[L])<0?-1:1;l[L*4]=M.x,l[L*4+1]=M.y,l[L*4+2]=M.z,l[L*4+3]=O}for(let L=0,P=y.length;L<P;++L){let Z=y[L],O=Z.start,F=Z.count;for(let z=O,N=O+F;z<N;z+=3)I(n[z+0]),I(n[z+1]),I(n[z+2])}}computeVertexNormals(){let e=this.index,t=this.getAttribute("position");if(t!==void 0){let n=this.getAttribute("normal");if(n===void 0)n=new pe(new Float32Array(t.count*3),3),this.setAttribute("normal",n);else for(let d=0,f=n.count;d<f;d++)n.setXYZ(d,0,0,0);let i=new A,r=new A,a=new A,o=new A,l=new A,c=new A,u=new A,h=new A;if(e)for(let d=0,f=e.count;d<f;d+=3){let p=e.getX(d+0),v=e.getX(d+1),x=e.getX(d+2);i.fromBufferAttribute(t,p),r.fromBufferAttribute(t,v),a.fromBufferAttribute(t,x),u.subVectors(a,r),h.subVectors(i,r),u.cross(h),o.fromBufferAttribute(n,p),l.fromBufferAttribute(n,v),c.fromBufferAttribute(n,x),o.add(u),l.add(u),c.add(u),n.setXYZ(p,o.x,o.y,o.z),n.setXYZ(v,l.x,l.y,l.z),n.setXYZ(x,c.x,c.y,c.z)}else for(let d=0,f=t.count;d<f;d+=3)i.fromBufferAttribute(t,d+0),r.fromBufferAttribute(t,d+1),a.fromBufferAttribute(t,d+2),u.subVectors(a,r),h.subVectors(i,r),u.cross(h),n.setXYZ(d+0,u.x,u.y,u.z),n.setXYZ(d+1,u.x,u.y,u.z),n.setXYZ(d+2,u.x,u.y,u.z);this.normalizeNormals(),n.needsUpdate=!0}}merge(e,t){if(!(e&&e.isBufferGeometry)){console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",e);return}t===void 0&&(t=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));let n=this.attributes;for(let i in n){if(e.attributes[i]===void 0)continue;let a=n[i].array,o=e.attributes[i],l=o.array,c=o.itemSize*t,u=Math.min(l.length,a.length-c);for(let h=0,d=c;h<u;h++,d++)a[d]=l[h]}return this}normalizeNormals(){let e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)Tt.fromBufferAttribute(e,t),Tt.normalize(),e.setXYZ(t,Tt.x,Tt.y,Tt.z)}toNonIndexed(){function e(o,l){let c=o.array,u=o.itemSize,h=o.normalized,d=new c.constructor(l.length*u),f=0,p=0;for(let v=0,x=l.length;v<x;v++){o.isInterleavedBufferAttribute?f=l[v]*o.data.stride+o.offset:f=l[v]*u;for(let g=0;g<u;g++)d[p++]=c[f++]}return new pe(d,u,h)}if(this.index===null)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;let t=new de,n=this.index.array,i=this.attributes;for(let o in i){let l=i[o],c=e(l,n);t.setAttribute(o,c)}let r=this.morphAttributes;for(let o in r){let l=[],c=r[o];for(let u=0,h=c.length;u<h;u++){let d=c[u],f=e(d,n);l.push(f)}t.morphAttributes[o]=l}t.morphTargetsRelative=this.morphTargetsRelative;let a=this.groups;for(let o=0,l=a.length;o<l;o++){let c=a[o];t.addGroup(c.start,c.count,c.materialIndex)}return t}toJSON(){let e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,this.name!==""&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),this.parameters!==void 0){let l=this.parameters;for(let c in l)l[c]!==void 0&&(e[c]=l[c]);return e}e.data={attributes:{}};let t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});let n=this.attributes;for(let l in n){let c=n[l];e.data.attributes[l]=c.toJSON(e.data)}let i={},r=!1;for(let l in this.morphAttributes){let c=this.morphAttributes[l],u=[];for(let h=0,d=c.length;h<d;h++){let f=c[h];u.push(f.toJSON(e.data))}u.length>0&&(i[l]=u,r=!0)}r&&(e.data.morphAttributes=i,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let o=this.boundingSphere;return o!==null&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;let t={};this.name=e.name;let n=e.index;n!==null&&this.setIndex(n.clone(t));let i=e.attributes;for(let c in i){let u=i[c];this.setAttribute(c,u.clone(t))}let r=e.morphAttributes;for(let c in r){let u=[],h=r[c];for(let d=0,f=h.length;d<f;d++)u.push(h[d].clone(t));this.morphAttributes[c]=u}this.morphTargetsRelative=e.morphTargetsRelative;let a=e.groups;for(let c=0,u=a.length;c<u;c++){let h=a[c];this.addGroup(h.start,h.count,h.materialIndex)}let o=e.boundingBox;o!==null&&(this.boundingBox=o.clone());let l=e.boundingSphere;return l!==null&&(this.boundingSphere=l.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,e.parameters!==void 0&&(this.parameters=Object.assign({},e.parameters)),this}dispose(){this.dispatchEvent({type:"dispose"})}};de.prototype.isBufferGeometry=!0;var Td=new ge,Mr=new In,rc=new Dn,ni=new A,ii=new A,ri=new A,sc=new A,ac=new A,oc=new A,Na=new A,Ha=new A,za=new A,Ga=new U,ka=new U,Va=new U,lc=new A,Wa=new A,He=class extends Te{constructor(e=new de,t=new zt){super();this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e){return super.copy(e),e.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),e.morphTargetDictionary!==void 0&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this}updateMorphTargets(){let e=this.geometry;if(e.isBufferGeometry){let t=e.morphAttributes,n=Object.keys(t);if(n.length>0){let i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let r=0,a=i.length;r<a;r++){let o=i[r].name||String(r);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=r}}}}else{let t=e.morphTargets;t!==void 0&&t.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}raycast(e,t){let n=this.geometry,i=this.material,r=this.matrixWorld;if(i===void 0||(n.boundingSphere===null&&n.computeBoundingSphere(),rc.copy(n.boundingSphere),rc.applyMatrix4(r),e.ray.intersectsSphere(rc)===!1)||(Td.copy(r).invert(),Mr.copy(e.ray).applyMatrix4(Td),n.boundingBox!==null&&Mr.intersectsBox(n.boundingBox)===!1))return;let a;if(n.isBufferGeometry){let o=n.index,l=n.attributes.position,c=n.morphAttributes.position,u=n.morphTargetsRelative,h=n.attributes.uv,d=n.attributes.uv2,f=n.groups,p=n.drawRange;if(o!==null)if(Array.isArray(i))for(let v=0,x=f.length;v<x;v++){let g=f[v],m=i[g.materialIndex],w=Math.max(g.start,p.start),y=Math.min(o.count,Math.min(g.start+g.count,p.start+p.count));for(let M=w,S=y;M<S;M+=3){let b=o.getX(M),R=o.getX(M+1),I=o.getX(M+2);a=ja(this,m,e,Mr,l,c,u,h,d,b,R,I),a&&(a.faceIndex=Math.floor(M/3),a.face.materialIndex=g.materialIndex,t.push(a))}}else{let v=Math.max(0,p.start),x=Math.min(o.count,p.start+p.count);for(let g=v,m=x;g<m;g+=3){let w=o.getX(g),y=o.getX(g+1),M=o.getX(g+2);a=ja(this,i,e,Mr,l,c,u,h,d,w,y,M),a&&(a.faceIndex=Math.floor(g/3),t.push(a))}}else if(l!==void 0)if(Array.isArray(i))for(let v=0,x=f.length;v<x;v++){let g=f[v],m=i[g.materialIndex],w=Math.max(g.start,p.start),y=Math.min(l.count,Math.min(g.start+g.count,p.start+p.count));for(let M=w,S=y;M<S;M+=3){let b=M,R=M+1,I=M+2;a=ja(this,m,e,Mr,l,c,u,h,d,b,R,I),a&&(a.faceIndex=Math.floor(M/3),a.face.materialIndex=g.materialIndex,t.push(a))}}else{let v=Math.max(0,p.start),x=Math.min(l.count,p.start+p.count);for(let g=v,m=x;g<m;g+=3){let w=g,y=g+1,M=g+2;a=ja(this,i,e,Mr,l,c,u,h,d,w,y,M),a&&(a.faceIndex=Math.floor(g/3),t.push(a))}}}else n.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}};He.prototype.isMesh=!0;function _g(s,e,t,n,i,r,a,o){let l;if(e.side===je?l=n.intersectTriangle(a,r,i,!0,o):l=n.intersectTriangle(i,r,a,e.side!==Nt,o),l===null)return null;Wa.copy(o),Wa.applyMatrix4(s.matrixWorld);let c=t.ray.origin.distanceTo(Wa);return c<t.near||c>t.far?null:{distance:c,point:Wa.clone(),object:s}}function ja(s,e,t,n,i,r,a,o,l,c,u,h){ni.fromBufferAttribute(i,c),ii.fromBufferAttribute(i,u),ri.fromBufferAttribute(i,h);let d=s.morphTargetInfluences;if(r&&d){Na.set(0,0,0),Ha.set(0,0,0),za.set(0,0,0);for(let p=0,v=r.length;p<v;p++){let x=d[p],g=r[p];x!==0&&(sc.fromBufferAttribute(g,c),ac.fromBufferAttribute(g,u),oc.fromBufferAttribute(g,h),a?(Na.addScaledVector(sc,x),Ha.addScaledVector(ac,x),za.addScaledVector(oc,x)):(Na.addScaledVector(sc.sub(ni),x),Ha.addScaledVector(ac.sub(ii),x),za.addScaledVector(oc.sub(ri),x)))}ni.add(Na),ii.add(Ha),ri.add(za)}s.isSkinnedMesh&&(s.boneTransform(c,ni),s.boneTransform(u,ii),s.boneTransform(h,ri));let f=_g(s,e,t,n,ni,ii,ri,lc);if(f){o&&(Ga.fromBufferAttribute(o,c),ka.fromBufferAttribute(o,u),Va.fromBufferAttribute(o,h),f.uv=ut.getUV(lc,ni,ii,ri,Ga,ka,Va,new U)),l&&(Ga.fromBufferAttribute(l,c),ka.fromBufferAttribute(l,u),Va.fromBufferAttribute(l,h),f.uv2=ut.getUV(lc,ni,ii,ri,Ga,ka,Va,new U));let p={a:c,b:u,c:h,normal:new A,materialIndex:0};ut.getNormal(ni,ii,ri,p.normal),f.face=p}return f}var Un=class extends de{constructor(e=1,t=1,n=1,i=1,r=1,a=1){super();this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:i,heightSegments:r,depthSegments:a};let o=this;i=Math.floor(i),r=Math.floor(r),a=Math.floor(a);let l=[],c=[],u=[],h=[],d=0,f=0;p("z","y","x",-1,-1,n,t,e,a,r,0),p("z","y","x",1,-1,n,t,-e,a,r,1),p("x","z","y",1,1,e,n,t,i,a,2),p("x","z","y",1,-1,e,n,-t,i,a,3),p("x","y","z",1,-1,e,t,n,i,r,4),p("x","y","z",-1,-1,e,t,-n,i,r,5),this.setIndex(l),this.setAttribute("position",new ce(c,3)),this.setAttribute("normal",new ce(u,3)),this.setAttribute("uv",new ce(h,2));function p(v,x,g,m,w,y,M,S,b,R,I){let L=y/b,P=M/R,Z=y/2,O=M/2,F=S/2,z=b+1,N=R+1,G=0,ne=0,fe=new A;for(let j=0;j<N;j++){let Y=j*P-O;for(let ue=0;ue<z;ue++){let oe=ue*L-Z;fe[v]=oe*m,fe[x]=Y*w,fe[g]=F,c.push(fe.x,fe.y,fe.z),fe[v]=0,fe[x]=0,fe[g]=S>0?1:-1,u.push(fe.x,fe.y,fe.z),h.push(ue/b),h.push(1-j/R),G+=1}}for(let j=0;j<R;j++)for(let Y=0;Y<b;Y++){let ue=d+Y+z*j,oe=d+Y+z*(j+1),ve=d+(Y+1)+z*(j+1),Fe=d+(Y+1)+z*j;l.push(ue,oe,Fe),l.push(oe,ve,Fe),ne+=6}o.addGroup(f,ne,I),f+=ne,d+=G}}static fromJSON(e){return new Un(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}};function Er(s){let e={};for(let t in s){e[t]={};for(let n in s[t]){let i=s[t][n];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)?e[t][n]=i.clone():Array.isArray(i)?e[t][n]=i.slice():e[t][n]=i}}return e}function Bt(s){let e={};for(let t=0;t<s.length;t++){let n=Er(s[t]);for(let i in n)e[i]=n[i]}return e}var Ya={clone:Er,merge:Bt},Tg=`void main() {
 	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
-}`,Tg=`void main() {
+}`,Sg=`void main() {
 	gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );
-}`,Qe=class extends at{constructor(e){super();this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader=_g,this.fragmentShader=Tg,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,e!==void 0&&(e.attributes!==void 0&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(e))}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=Mr(e.uniforms),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){let t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(let i in this.uniforms){let a=this.uniforms[i].value;a&&a.isTexture?t.uniforms[i]={type:"t",value:a.toJSON(e).uuid}:a&&a.isColor?t.uniforms[i]={type:"c",value:a.getHex()}:a&&a.isVector2?t.uniforms[i]={type:"v2",value:a.toArray()}:a&&a.isVector3?t.uniforms[i]={type:"v3",value:a.toArray()}:a&&a.isVector4?t.uniforms[i]={type:"v4",value:a.toArray()}:a&&a.isMatrix3?t.uniforms[i]={type:"m3",value:a.toArray()}:a&&a.isMatrix4?t.uniforms[i]={type:"m4",value:a.toArray()}:t.uniforms[i]={value:a}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;let n={};for(let i in this.extensions)this.extensions[i]===!0&&(n[i]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}};Qe.prototype.isShaderMaterial=!0;var li=class extends De{constructor(){super();this.type="Camera",this.matrixWorldInverse=new me,this.projectionMatrix=new me,this.projectionMatrixInverse=new me}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}};li.prototype.isCamera=!0;var nt=class extends li{constructor(e=50,t=1,n=.1,i=2e3){super();this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=Cs*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(Bi*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return Cs*2*Math.atan(Math.tan(Bi*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,n,i,r,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(Bi*.5*this.fov)/this.zoom,n=2*t,i=this.aspect*n,r=-.5*i,a=this.view;if(this.view!==null&&this.view.enabled){let l=a.fullWidth,c=a.fullHeight;r+=a.offsetX*i/l,t-=a.offsetY*n/c,i*=a.width/l,n*=a.height/c}let o=this.filmOffset;o!==0&&(r+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}};nt.prototype.isPerspectiveCamera=!0;var Er=90,_r=1,Os=class extends De{constructor(e,t,n){super();if(this.type="CubeCamera",n.isWebGLCubeRenderTarget!==!0){console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");return}this.renderTarget=n;let i=new nt(Er,_r,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new b(1,0,0)),this.add(i);let r=new nt(Er,_r,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new b(-1,0,0)),this.add(r);let a=new nt(Er,_r,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new b(0,1,0)),this.add(a);let o=new nt(Er,_r,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new b(0,-1,0)),this.add(o);let l=new nt(Er,_r,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new b(0,0,1)),this.add(l);let c=new nt(Er,_r,e,t);c.layers=this.layers,c.up.set(0,-1,0),c.lookAt(new b(0,0,-1)),this.add(c)}update(e,t){this.parent===null&&this.updateMatrixWorld();let n=this.renderTarget,[i,r,a,o,l,c]=this.children,u=e.xr.enabled,h=e.getRenderTarget();e.xr.enabled=!1;let d=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,r),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,l),n.texture.generateMipmaps=d,e.setRenderTarget(n,5),e.render(t,c),e.setRenderTarget(h),e.xr.enabled=u}},Ni=class extends xt{constructor(e,t,n,i,r,a,o,l,c,u){e=e!==void 0?e:[],t=t!==void 0?t:or,o=o!==void 0?o:Et;super(e,t,n,i,r,a,o,l,c,u);this.flipY=!1}get images(){return this.image}set images(e){this.image=e}};Ni.prototype.isCubeTexture=!0;var Us=class extends ut{constructor(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n);super(e,e,t);t=t||{},this.texture=new Ni(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:ke,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=gt,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let n={uniforms:{tEquirect:{value:null}},vertexShader:`
+}`,qe=class extends ht{constructor(e){super();this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader=Tg,this.fragmentShader=Sg,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,e!==void 0&&(e.attributes!==void 0&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(e))}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=Er(e.uniforms),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){let t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(let i in this.uniforms){let a=this.uniforms[i].value;a&&a.isTexture?t.uniforms[i]={type:"t",value:a.toJSON(e).uuid}:a&&a.isColor?t.uniforms[i]={type:"c",value:a.getHex()}:a&&a.isVector2?t.uniforms[i]={type:"v2",value:a.toArray()}:a&&a.isVector3?t.uniforms[i]={type:"v3",value:a.toArray()}:a&&a.isVector4?t.uniforms[i]={type:"v4",value:a.toArray()}:a&&a.isMatrix3?t.uniforms[i]={type:"m3",value:a.toArray()}:a&&a.isMatrix4?t.uniforms[i]={type:"m4",value:a.toArray()}:t.uniforms[i]={value:a}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;let n={};for(let i in this.extensions)this.extensions[i]===!0&&(n[i]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}};qe.prototype.isShaderMaterial=!0;var si=class extends Te{constructor(){super();this.type="Camera",this.matrixWorldInverse=new ge,this.projectionMatrix=new ge,this.projectionMatrixInverse=new ge}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}};si.prototype.isCamera=!0;var st=class extends si{constructor(e=50,t=1,n=.1,i=2e3){super();this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=Cs*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(Fi*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return Cs*2*Math.atan(Math.tan(Fi*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,n,i,r,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(Fi*.5*this.fov)/this.zoom,n=2*t,i=this.aspect*n,r=-.5*i,a=this.view;if(this.view!==null&&this.view.enabled){let l=a.fullWidth,c=a.fullHeight;r+=a.offsetX*i/l,t-=a.offsetY*n/c,i*=a.width/l,n*=a.height/c}let o=this.filmOffset;o!==0&&(r+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}};st.prototype.isPerspectiveCamera=!0;var _r=90,Tr=1,Os=class extends Te{constructor(e,t,n){super();if(this.type="CubeCamera",n.isWebGLCubeRenderTarget!==!0){console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");return}this.renderTarget=n;let i=new st(_r,Tr,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new A(1,0,0)),this.add(i);let r=new st(_r,Tr,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new A(-1,0,0)),this.add(r);let a=new st(_r,Tr,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new A(0,1,0)),this.add(a);let o=new st(_r,Tr,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new A(0,-1,0)),this.add(o);let l=new st(_r,Tr,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new A(0,0,1)),this.add(l);let c=new st(_r,Tr,e,t);c.layers=this.layers,c.up.set(0,-1,0),c.lookAt(new A(0,0,-1)),this.add(c)}update(e,t){this.parent===null&&this.updateMatrixWorld();let n=this.renderTarget,[i,r,a,o,l,c]=this.children,u=e.xr.enabled,h=e.getRenderTarget();e.xr.enabled=!1;let d=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,r),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,l),n.texture.generateMipmaps=d,e.setRenderTarget(n,5),e.render(t,c),e.setRenderTarget(h),e.xr.enabled=u}},Ni=class extends bt{constructor(e,t,n,i,r,a,o,l,c,u){e=e!==void 0?e:[],t=t!==void 0?t:Si;super(e,t,n,i,r,a,o,l,c,u);this.flipY=!1}get images(){return this.image}set images(e){this.image=e}};Ni.prototype.isCubeTexture=!0;var Us=class extends rt{constructor(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n);super(e,e,t);t=t||{},this.texture=new Ni(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:ke,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=ct,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let n={uniforms:{tEquirect:{value:null}},vertexShader:`
 
 				varying vec3 vWorldDirection;
 
@@ -37,28 +37,28 @@ var Spacekit=(()=>{var mm=Object.create;var gs=Object.defineProperty;var gm=Obje
 					gl_FragColor = texture2D( tEquirect, sampleUV );
 
 				}
-			`},i=new Hn(5,5,5),r=new Qe({name:"CubemapFromEquirect",uniforms:Mr(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:Ye,blending:Pt});r.uniforms.tEquirect.value=t;let a=new ze(i,r),o=t.minFilter;return t.minFilter===Si&&(t.minFilter=ke),new Os(1,10,this).update(e,a),t.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,n,i){let r=e.getRenderTarget();for(let a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,n,i);e.setRenderTarget(r)}};Us.prototype.isWebGLCubeRenderTarget=!0;var hc=new b,Sg=new b,Cg=new vt,pn=class{constructor(e=new b(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){let i=hc.subVectors(n,t).cross(Sg.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){let n=e.delta(hc),i=this.normal.dot(n);if(i===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;let r=-(e.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:t.copy(n).multiplyScalar(r).add(e.start)}intersectsLine(e){let t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let n=t||Cg.getNormalMatrix(e),i=this.coplanarPoint(hc).applyMatrix4(e),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}};pn.prototype.isPlane=!0;var Tr=new In,Wa=new b,Sr=class{constructor(e=new pn,t=new pn,n=new pn,i=new pn,r=new pn,a=new pn){this.planes=[e,t,n,i,r,a]}set(e,t,n,i,r,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(r),o[5].copy(a),this}copy(e){let t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){let t=this.planes,n=e.elements,i=n[0],r=n[1],a=n[2],o=n[3],l=n[4],c=n[5],u=n[6],h=n[7],d=n[8],f=n[9],p=n[10],v=n[11],x=n[12],g=n[13],m=n[14],y=n[15];return t[0].setComponents(o-i,h-l,v-d,y-x).normalize(),t[1].setComponents(o+i,h+l,v+d,y+x).normalize(),t[2].setComponents(o+r,h+c,v+f,y+g).normalize(),t[3].setComponents(o-r,h-c,v-f,y-g).normalize(),t[4].setComponents(o-a,h-u,v-p,y-m).normalize(),t[5].setComponents(o+a,h+u,v+p,y+m).normalize(),this}intersectsObject(e){let t=e.geometry;return t.boundingSphere===null&&t.computeBoundingSphere(),Tr.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(Tr)}intersectsSprite(e){return Tr.center.set(0,0,0),Tr.radius=.7071067811865476,Tr.applyMatrix4(e.matrixWorld),this.intersectsSphere(Tr)}intersectsSphere(e){let t=this.planes,n=e.center,i=-e.radius;for(let r=0;r<6;r++)if(t[r].distanceToPoint(n)<i)return!1;return!0}intersectsBox(e){let t=this.planes;for(let n=0;n<6;n++){let i=t[n];if(Wa.x=i.normal.x>0?e.max.x:e.min.x,Wa.y=i.normal.y>0?e.max.y:e.min.y,Wa.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(Wa)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}};function Dd(){let s=null,e=!1,t=null,n=null;function i(r,a){t(r,a),n=s.requestAnimationFrame(i)}return{start:function(){e!==!0&&t!==null&&(n=s.requestAnimationFrame(i),e=!0)},stop:function(){s.cancelAnimationFrame(n),e=!1},setAnimationLoop:function(r){t=r},setContext:function(r){s=r}}}function Pg(s,e){let t=e.isWebGL2,n=new WeakMap;function i(c,u){let h=c.array,d=c.usage,f=s.createBuffer();s.bindBuffer(u,f),s.bufferData(u,h,d),c.onUploadCallback();let p=5126;return h instanceof Float32Array?p=5126:h instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):h instanceof Uint16Array?c.isFloat16BufferAttribute?t?p=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):p=5123:h instanceof Int16Array?p=5122:h instanceof Uint32Array?p=5125:h instanceof Int32Array?p=5124:h instanceof Int8Array?p=5120:(h instanceof Uint8Array||h instanceof Uint8ClampedArray)&&(p=5121),{buffer:f,type:p,bytesPerElement:h.BYTES_PER_ELEMENT,version:c.version}}function r(c,u,h){let d=u.array,f=u.updateRange;s.bindBuffer(h,c),f.count===-1?s.bufferSubData(h,0,d):(t?s.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d,f.offset,f.count):s.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d.subarray(f.offset,f.offset+f.count)),f.count=-1)}function a(c){return c.isInterleavedBufferAttribute&&(c=c.data),n.get(c)}function o(c){c.isInterleavedBufferAttribute&&(c=c.data);let u=n.get(c);u&&(s.deleteBuffer(u.buffer),n.delete(c))}function l(c,u){if(c.isGLBufferAttribute){let d=n.get(c);(!d||d.version<c.version)&&n.set(c,{buffer:c.buffer,type:c.type,bytesPerElement:c.elementSize,version:c.version});return}c.isInterleavedBufferAttribute&&(c=c.data);let h=n.get(c);h===void 0?n.set(c,i(c,u)):h.version<c.version&&(r(h.buffer,c,u),h.version=c.version)}return{get:a,remove:o,update:l}}var Hi=class extends le{constructor(e=1,t=1,n=1,i=1){super();this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:i};let r=e/2,a=t/2,o=Math.floor(n),l=Math.floor(i),c=o+1,u=l+1,h=e/o,d=t/l,f=[],p=[],v=[],x=[];for(let g=0;g<u;g++){let m=g*d-a;for(let y=0;y<c;y++){let w=y*h-r;p.push(w,-m,0),v.push(0,0,1),x.push(y/o),x.push(1-g/l)}}for(let g=0;g<l;g++)for(let m=0;m<o;m++){let y=m+c*g,w=m+c*(g+1),M=m+1+c*(g+1),S=m+1+c*g;f.push(y,w,S),f.push(w,M,S)}this.setIndex(f),this.setAttribute("position",new ae(p,3)),this.setAttribute("normal",new ae(v,3)),this.setAttribute("uv",new ae(x,2))}static fromJSON(e){return new Hi(e.width,e.height,e.widthSegments,e.heightSegments)}},Rg=`#ifdef USE_ALPHAMAP
+			`},i=new Un(5,5,5),r=new qe({name:"CubemapFromEquirect",uniforms:Er(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:je,blending:Rt});r.uniforms.tEquirect.value=t;let a=new He(i,r),o=t.minFilter;return t.minFilter===Ri&&(t.minFilter=ke),new Os(1,10,this).update(e,a),t.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,n,i){let r=e.getRenderTarget();for(let a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,n,i);e.setRenderTarget(r)}};Us.prototype.isWebGLCubeRenderTarget=!0;var cc=new A,Cg=new A,Rg=new wt,fn=class{constructor(e=new A(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){let i=cc.subVectors(n,t).cross(Cg.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){let n=e.delta(cc),i=this.normal.dot(n);if(i===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;let r=-(e.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:t.copy(n).multiplyScalar(r).add(e.start)}intersectsLine(e){let t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let n=t||Rg.getNormalMatrix(e),i=this.coplanarPoint(cc).applyMatrix4(e),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}};fn.prototype.isPlane=!0;var Sr=new Dn,Xa=new A,Cr=class{constructor(e=new fn,t=new fn,n=new fn,i=new fn,r=new fn,a=new fn){this.planes=[e,t,n,i,r,a]}set(e,t,n,i,r,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(r),o[5].copy(a),this}copy(e){let t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){let t=this.planes,n=e.elements,i=n[0],r=n[1],a=n[2],o=n[3],l=n[4],c=n[5],u=n[6],h=n[7],d=n[8],f=n[9],p=n[10],v=n[11],x=n[12],g=n[13],m=n[14],w=n[15];return t[0].setComponents(o-i,h-l,v-d,w-x).normalize(),t[1].setComponents(o+i,h+l,v+d,w+x).normalize(),t[2].setComponents(o+r,h+c,v+f,w+g).normalize(),t[3].setComponents(o-r,h-c,v-f,w-g).normalize(),t[4].setComponents(o-a,h-u,v-p,w-m).normalize(),t[5].setComponents(o+a,h+u,v+p,w+m).normalize(),this}intersectsObject(e){let t=e.geometry;return t.boundingSphere===null&&t.computeBoundingSphere(),Sr.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(Sr)}intersectsSprite(e){return Sr.center.set(0,0,0),Sr.radius=.7071067811865476,Sr.applyMatrix4(e.matrixWorld),this.intersectsSphere(Sr)}intersectsSphere(e){let t=this.planes,n=e.center,i=-e.radius;for(let r=0;r<6;r++)if(t[r].distanceToPoint(n)<i)return!1;return!0}intersectsBox(e){let t=this.planes;for(let n=0;n<6;n++){let i=t[n];if(Xa.x=i.normal.x>0?e.max.x:e.min.x,Xa.y=i.normal.y>0?e.max.y:e.min.y,Xa.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(Xa)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}};function Sd(){let s=null,e=!1,t=null,n=null;function i(r,a){t(r,a),n=s.requestAnimationFrame(i)}return{start:function(){e!==!0&&t!==null&&(n=s.requestAnimationFrame(i),e=!0)},stop:function(){s.cancelAnimationFrame(n),e=!1},setAnimationLoop:function(r){t=r},setContext:function(r){s=r}}}function Pg(s,e){let t=e.isWebGL2,n=new WeakMap;function i(c,u){let h=c.array,d=c.usage,f=s.createBuffer();s.bindBuffer(u,f),s.bufferData(u,h,d),c.onUploadCallback();let p=5126;return h instanceof Float32Array?p=5126:h instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):h instanceof Uint16Array?c.isFloat16BufferAttribute?t?p=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):p=5123:h instanceof Int16Array?p=5122:h instanceof Uint32Array?p=5125:h instanceof Int32Array?p=5124:h instanceof Int8Array?p=5120:(h instanceof Uint8Array||h instanceof Uint8ClampedArray)&&(p=5121),{buffer:f,type:p,bytesPerElement:h.BYTES_PER_ELEMENT,version:c.version}}function r(c,u,h){let d=u.array,f=u.updateRange;s.bindBuffer(h,c),f.count===-1?s.bufferSubData(h,0,d):(t?s.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d,f.offset,f.count):s.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d.subarray(f.offset,f.offset+f.count)),f.count=-1)}function a(c){return c.isInterleavedBufferAttribute&&(c=c.data),n.get(c)}function o(c){c.isInterleavedBufferAttribute&&(c=c.data);let u=n.get(c);u&&(s.deleteBuffer(u.buffer),n.delete(c))}function l(c,u){if(c.isGLBufferAttribute){let d=n.get(c);(!d||d.version<c.version)&&n.set(c,{buffer:c.buffer,type:c.type,bytesPerElement:c.elementSize,version:c.version});return}c.isInterleavedBufferAttribute&&(c=c.data);let h=n.get(c);h===void 0?n.set(c,i(c,u)):h.version<c.version&&(r(h.buffer,c,u),h.version=c.version)}return{get:a,remove:o,update:l}}var Hi=class extends de{constructor(e=1,t=1,n=1,i=1){super();this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:i};let r=e/2,a=t/2,o=Math.floor(n),l=Math.floor(i),c=o+1,u=l+1,h=e/o,d=t/l,f=[],p=[],v=[],x=[];for(let g=0;g<u;g++){let m=g*d-a;for(let w=0;w<c;w++){let y=w*h-r;p.push(y,-m,0),v.push(0,0,1),x.push(w/o),x.push(1-g/l)}}for(let g=0;g<l;g++)for(let m=0;m<o;m++){let w=m+c*g,y=m+c*(g+1),M=m+1+c*(g+1),S=m+1+c*g;f.push(w,y,S),f.push(y,M,S)}this.setIndex(f),this.setAttribute("position",new ce(p,3)),this.setAttribute("normal",new ce(v,3)),this.setAttribute("uv",new ce(x,2))}static fromJSON(e){return new Hi(e.width,e.height,e.widthSegments,e.heightSegments)}},Dg=`#ifdef USE_ALPHAMAP
 	diffuseColor.a *= texture2D( alphaMap, vUv ).g;
-#endif`,Dg=`#ifdef USE_ALPHAMAP
+#endif`,Lg=`#ifdef USE_ALPHAMAP
 	uniform sampler2D alphaMap;
-#endif`,Lg=`#ifdef USE_ALPHATEST
-	if ( diffuseColor.a < alphaTest ) discard;
 #endif`,Ig=`#ifdef USE_ALPHATEST
+	if ( diffuseColor.a < alphaTest ) discard;
+#endif`,Bg=`#ifdef USE_ALPHATEST
 	uniform float alphaTest;
-#endif`,Bg=`#ifdef USE_AOMAP
+#endif`,Fg=`#ifdef USE_AOMAP
 	float ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;
 	reflectedLight.indirectDiffuse *= ambientOcclusion;
 	#if defined( USE_ENVMAP ) && defined( STANDARD )
 		float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );
 		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );
 	#endif
-#endif`,Fg=`#ifdef USE_AOMAP
+#endif`,Og=`#ifdef USE_AOMAP
 	uniform sampler2D aoMap;
 	uniform float aoMapIntensity;
-#endif`,Og="vec3 transformed = vec3( position );",Ug=`vec3 objectNormal = vec3( normal );
+#endif`,Ug="vec3 transformed = vec3( position );",Ng=`vec3 objectNormal = vec3( normal );
 #ifdef USE_TANGENT
 	vec3 objectTangent = vec3( tangent.xyz );
-#endif`,Ng=`vec3 BRDF_Lambert( const in vec3 diffuseColor ) {
+#endif`,Hg=`vec3 BRDF_Lambert( const in vec3 diffuseColor ) {
 	return RECIPROCAL_PI * diffuseColor;
 }
 vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {
@@ -76,10 +76,10 @@ float D_GGX( const in float alpha, const in float dotNH ) {
 	float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;
 	return RECIPROCAL_PI * a2 / pow2( denom );
 }
-vec3 BRDF_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {
+vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {
 	float alpha = pow2( roughness );
-	vec3 halfDir = normalize( incidentLight.direction + viewDir );
-	float dotNL = saturate( dot( normal, incidentLight.direction ) );
+	vec3 halfDir = normalize( lightDir + viewDir );
+	float dotNL = saturate( dot( normal, lightDir ) );
 	float dotNV = saturate( dot( normal, viewDir ) );
 	float dotNH = saturate( dot( normal, halfDir ) );
 	float dotVH = saturate( dot( viewDir, halfDir ) );
@@ -142,33 +142,36 @@ float G_BlinnPhong_Implicit( ) {
 float D_BlinnPhong( const in float shininess, const in float dotNH ) {
 	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );
 }
-vec3 BRDF_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {
-	vec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );
-	float dotNH = saturate( dot( geometry.normal, halfDir ) );
-	float dotVH = saturate( dot( geometry.viewDir, halfDir ) );
+vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {
+	vec3 halfDir = normalize( lightDir + viewDir );
+	float dotNH = saturate( dot( normal, halfDir ) );
+	float dotVH = saturate( dot( viewDir, halfDir ) );
 	vec3 F = F_Schlick( specularColor, 1.0, dotVH );
 	float G = G_BlinnPhong_Implicit( );
 	float D = D_BlinnPhong( shininess, dotNH );
 	return F * ( G * D );
 }
 #if defined( USE_SHEEN )
-float D_Charlie( float roughness, float NoH ) {
-	float invAlpha = 1.0 / roughness;
-	float cos2h = NoH * NoH;
+float D_Charlie( float roughness, float dotNH ) {
+	float alpha = pow2( roughness );
+	float invAlpha = 1.0 / alpha;
+	float cos2h = dotNH * dotNH;
 	float sin2h = max( 1.0 - cos2h, 0.0078125 );
 	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );
 }
-float V_Neubelt( float NoV, float NoL ) {
-	return saturate( 1.0 / ( 4.0 * ( NoL + NoV - NoL * NoV ) ) );
+float V_Neubelt( float dotNV, float dotNL ) {
+	return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );
 }
-vec3 BRDF_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {
-	vec3 N = geometry.normal;
-	vec3 V = geometry.viewDir;
-	vec3 H = normalize( V + L );
-	float dotNH = saturate( dot( N, H ) );
-	return specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );
+vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {
+	vec3 halfDir = normalize( lightDir + viewDir );
+	float dotNL = saturate( dot( normal, lightDir ) );
+	float dotNV = saturate( dot( normal, viewDir ) );
+	float dotNH = saturate( dot( normal, halfDir ) );
+	float D = D_Charlie( sheenRoughness, dotNH );
+	float V = V_Neubelt( dotNV, dotNL );
+	return sheenColor * ( D * V );
 }
-#endif`,Hg=`#ifdef USE_BUMPMAP
+#endif`,zg=`#ifdef USE_BUMPMAP
 	uniform sampler2D bumpMap;
 	uniform float bumpScale;
 	vec2 dHdxy_fwd() {
@@ -189,7 +192,7 @@ vec3 BRDF_Sheen( const in float roughness, const in vec3 L, const in GeometricCo
 		vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );
 		return normalize( abs( fDet ) * surf_norm - vGrad );
 	}
-#endif`,zg=`#if NUM_CLIPPING_PLANES > 0
+#endif`,Gg=`#if NUM_CLIPPING_PLANES > 0
 	vec4 plane;
 	#pragma unroll_loop_start
 	for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
@@ -207,14 +210,14 @@ vec3 BRDF_Sheen( const in float roughness, const in vec3 L, const in GeometricCo
 		#pragma unroll_loop_end
 		if ( clipped ) discard;
 	#endif
-#endif`,Gg=`#if NUM_CLIPPING_PLANES > 0
-	varying vec3 vClipPosition;
-	uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];
 #endif`,kg=`#if NUM_CLIPPING_PLANES > 0
 	varying vec3 vClipPosition;
+	uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];
 #endif`,Vg=`#if NUM_CLIPPING_PLANES > 0
+	varying vec3 vClipPosition;
+#endif`,Wg=`#if NUM_CLIPPING_PLANES > 0
 	vClipPosition = - mvPosition.xyz;
-#endif`,Wg=`#if defined( USE_COLOR_ALPHA )
+#endif`,jg=`#if defined( USE_COLOR_ALPHA )
 	diffuseColor *= vColor;
 #elif defined( USE_COLOR )
 	diffuseColor.rgb *= vColor;
@@ -222,11 +225,11 @@ vec3 BRDF_Sheen( const in float roughness, const in vec3 L, const in GeometricCo
 	varying vec4 vColor;
 #elif defined( USE_COLOR )
 	varying vec3 vColor;
-#endif`,jg=`#if defined( USE_COLOR_ALPHA )
+#endif`,Xg=`#if defined( USE_COLOR_ALPHA )
 	varying vec4 vColor;
 #elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )
 	varying vec3 vColor;
-#endif`,Xg=`#if defined( USE_COLOR_ALPHA )
+#endif`,Qg=`#if defined( USE_COLOR_ALPHA )
 	vColor = vec4( 1.0 );
 #elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )
 	vColor = vec3( 1.0 );
@@ -236,7 +239,7 @@ vec3 BRDF_Sheen( const in float roughness, const in vec3 L, const in GeometricCo
 #endif
 #ifdef USE_INSTANCING_COLOR
 	vColor.xyz *= instanceColor.xyz;
-#endif`,Qg=`#define PI 3.141592653589793
+#endif`,qg=`#define PI 3.141592653589793
 #define PI2 6.283185307179586
 #define PI_HALF 1.5707963267948966
 #define RECIPROCAL_PI 0.3183098861837907
@@ -307,7 +310,7 @@ vec2 equirectUv( in vec3 dir ) {
 	float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;
 	float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;
 	return vec2( u, v );
-}`,qg=`#ifdef ENVMAP_TYPE_CUBE_UV
+}`,Zg=`#ifdef ENVMAP_TYPE_CUBE_UV
 	#define cubeUV_maxMipLevel 8.0
 	#define cubeUV_minMipLevel 4.0
 	#define cubeUV_maxTileSize 256.0
@@ -417,7 +420,7 @@ vec2 equirectUv( in vec3 dir ) {
 			return vec4( mix( color0, color1, mipF ), 1.0 );
 		}
 	}
-#endif`,Zg=`vec3 transformedNormal = objectNormal;
+#endif`,Jg=`vec3 transformedNormal = objectNormal;
 #ifdef USE_INSTANCING
 	mat3 m = mat3( instanceMatrix );
 	transformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );
@@ -432,19 +435,19 @@ transformedNormal = normalMatrix * transformedNormal;
 	#ifdef FLIP_SIDED
 		transformedTangent = - transformedTangent;
 	#endif
-#endif`,Jg=`#ifdef USE_DISPLACEMENTMAP
+#endif`,Kg=`#ifdef USE_DISPLACEMENTMAP
 	uniform sampler2D displacementMap;
 	uniform float displacementScale;
 	uniform float displacementBias;
-#endif`,Kg=`#ifdef USE_DISPLACEMENTMAP
+#endif`,$g=`#ifdef USE_DISPLACEMENTMAP
 	transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );
-#endif`,$g=`#ifdef USE_EMISSIVEMAP
+#endif`,e0=`#ifdef USE_EMISSIVEMAP
 	vec4 emissiveColor = texture2D( emissiveMap, vUv );
 	emissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;
 	totalEmissiveRadiance *= emissiveColor.rgb;
-#endif`,e0=`#ifdef USE_EMISSIVEMAP
+#endif`,t0=`#ifdef USE_EMISSIVEMAP
 	uniform sampler2D emissiveMap;
-#endif`,t0="gl_FragColor = linearToOutputTexel( gl_FragColor );",n0=`
+#endif`,n0="gl_FragColor = linearToOutputTexel( gl_FragColor );",i0=`
 vec4 LinearToLinear( in vec4 value ) {
 	return value;
 }
@@ -485,28 +488,7 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) {
 	float D = max( maxRange / maxRGB, 1.0 );
 	D = clamp( floor( D ) / 255.0, 0.0, 1.0 );
 	return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );
-}
-const mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );
-vec4 LinearToLogLuv( in vec4 value ) {
-	vec3 Xp_Y_XYZp = cLogLuvM * value.rgb;
-	Xp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );
-	vec4 vResult;
-	vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;
-	float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;
-	vResult.w = fract( Le );
-	vResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;
-	return vResult;
-}
-const mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );
-vec4 LogLuvToLinear( in vec4 value ) {
-	float Le = value.z * 255.0 + value.w;
-	vec3 Xp_Y_XYZp;
-	Xp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );
-	Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;
-	Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;
-	vec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;
-	return vec4( max( vRGB, 0.0 ), 1.0 );
-}`,i0=`#ifdef USE_ENVMAP
+}`,r0=`#ifdef USE_ENVMAP
 	#ifdef ENV_WORLDPOS
 		vec3 cameraToFrag;
 		if ( isOrthographic ) {
@@ -538,17 +520,16 @@ vec4 LogLuvToLinear( in vec4 value ) {
 	#elif defined( ENVMAP_BLENDING_ADD )
 		outgoingLight += envColor.xyz * specularStrength * reflectivity;
 	#endif
-#endif`,r0=`#ifdef USE_ENVMAP
+#endif`,s0=`#ifdef USE_ENVMAP
 	uniform float envMapIntensity;
 	uniform float flipEnvMap;
-	uniform int maxMipLevel;
 	#ifdef ENVMAP_TYPE_CUBE
 		uniform samplerCube envMap;
 	#else
 		uniform sampler2D envMap;
 	#endif
 	
-#endif`,s0=`#ifdef USE_ENVMAP
+#endif`,a0=`#ifdef USE_ENVMAP
 	uniform float reflectivity;
 	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )
 		#define ENV_WORLDPOS
@@ -559,7 +540,7 @@ vec4 LogLuvToLinear( in vec4 value ) {
 	#else
 		varying vec3 vReflect;
 	#endif
-#endif`,a0=`#ifdef USE_ENVMAP
+#endif`,o0=`#ifdef USE_ENVMAP
 	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )
 		#define ENV_WORLDPOS
 	#endif
@@ -570,7 +551,7 @@ vec4 LogLuvToLinear( in vec4 value ) {
 		varying vec3 vReflect;
 		uniform float refractionRatio;
 	#endif
-#endif`,o0=`#ifdef USE_ENVMAP
+#endif`,l0=`#ifdef USE_ENVMAP
 	#ifdef ENV_WORLDPOS
 		vWorldPosition = worldPosition.xyz;
 	#else
@@ -587,18 +568,18 @@ vec4 LogLuvToLinear( in vec4 value ) {
 			vReflect = refract( cameraToVertex, worldNormal, refractionRatio );
 		#endif
 	#endif
-#endif`,l0=`#ifdef USE_FOG
-	vFogDepth = - mvPosition.z;
 #endif`,c0=`#ifdef USE_FOG
-	varying float vFogDepth;
+	vFogDepth = - mvPosition.z;
 #endif`,u0=`#ifdef USE_FOG
+	varying float vFogDepth;
+#endif`,h0=`#ifdef USE_FOG
 	#ifdef FOG_EXP2
 		float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );
 	#else
 		float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );
 	#endif
 	gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );
-#endif`,h0=`#ifdef USE_FOG
+#endif`,d0=`#ifdef USE_FOG
 	uniform vec3 fogColor;
 	varying float vFogDepth;
 	#ifdef FOG_EXP2
@@ -607,7 +588,7 @@ vec4 LogLuvToLinear( in vec4 value ) {
 		uniform float fogNear;
 		uniform float fogFar;
 	#endif
-#endif`,d0=`#ifdef USE_GRADIENTMAP
+#endif`,f0=`#ifdef USE_GRADIENTMAP
 	uniform sampler2D gradientMap;
 #endif
 vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {
@@ -618,17 +599,17 @@ vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {
 	#else
 		return ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );
 	#endif
-}`,f0=`#ifdef USE_LIGHTMAP
+}`,p0=`#ifdef USE_LIGHTMAP
 	vec4 lightMapTexel = texture2D( lightMap, vUv2 );
 	vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;
 	#ifndef PHYSICALLY_CORRECT_LIGHTS
 		lightMapIrradiance *= PI;
 	#endif
 	reflectedLight.indirectDiffuse += lightMapIrradiance;
-#endif`,p0=`#ifdef USE_LIGHTMAP
+#endif`,m0=`#ifdef USE_LIGHTMAP
 	uniform sampler2D lightMap;
 	uniform float lightMapIntensity;
-#endif`,m0=`vec3 diffuse = vec3( 1.0 );
+#endif`,g0=`vec3 diffuse = vec3( 1.0 );
 GeometricContext geometry;
 geometry.position = mvPosition.xyz;
 geometry.normal = normalize( transformedNormal );
@@ -647,10 +628,10 @@ IncidentLight directLight;
 float dotNL;
 vec3 directLightColor_Diffuse;
 vIndirectFront += getAmbientLightIrradiance( ambientLightColor );
-vIndirectFront += getLightProbeIrradiance( lightProbe, geometry );
+vIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );
 #ifdef DOUBLE_SIDED
 	vIndirectBack += getAmbientLightIrradiance( ambientLightColor );
-	vIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );
+	vIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );
 #endif
 #if NUM_POINT_LIGHTS > 0
 	#pragma unroll_loop_start
@@ -694,13 +675,13 @@ vIndirectFront += getLightProbeIrradiance( lightProbe, geometry );
 #if NUM_HEMI_LIGHTS > 0
 	#pragma unroll_loop_start
 	for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {
-		vIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );
+		vIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );
 		#ifdef DOUBLE_SIDED
-			vIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );
+			vIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );
 		#endif
 	}
 	#pragma unroll_loop_end
-#endif`,g0=`uniform bool receiveShadow;
+#endif`,v0=`uniform bool receiveShadow;
 uniform vec3 ambientLightColor;
 uniform vec3 lightProbe[ 9 ];
 vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {
@@ -716,8 +697,8 @@ vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {
 	result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );
 	return result;
 }
-vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {
-	vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );
+vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {
+	vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
 	vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );
 	return irradiance;
 }
@@ -815,19 +796,19 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi
 		vec3 groundColor;
 	};
 	uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];
-	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {
-		float dotNL = dot( geometry.normal, hemiLight.direction );
+	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {
+		float dotNL = dot( normal, hemiLight.direction );
 		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;
 		vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );
 		return irradiance;
 	}
-#endif`,v0=`#if defined( USE_ENVMAP )
+#endif`,x0=`#if defined( USE_ENVMAP )
 	#ifdef ENVMAP_MODE_REFRACTION
 		uniform float refractionRatio;
 	#endif
-	vec3 getIBLIrradiance( const in GeometricContext geometry ) {
+	vec3 getIBLIrradiance( const in vec3 normal ) {
 		#if defined( ENVMAP_TYPE_CUBE_UV )
-			vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );
+			vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
 			vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );
 			return PI * envMapColor.rgb * envMapIntensity;
 		#else
@@ -850,8 +831,8 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi
 			return vec3( 0.0 );
 		#endif
 	}
-#endif`,x0=`ToonMaterial material;
-material.diffuseColor = diffuseColor.rgb;`,y0=`varying vec3 vViewPosition;
+#endif`,y0=`ToonMaterial material;
+material.diffuseColor = diffuseColor.rgb;`,w0=`varying vec3 vViewPosition;
 struct ToonMaterial {
 	vec3 diffuseColor;
 };
@@ -864,11 +845,11 @@ void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContex
 }
 #define RE_Direct				RE_Direct_Toon
 #define RE_IndirectDiffuse		RE_IndirectDiffuse_Toon
-#define Material_LightProbeLOD( material )	(0)`,w0=`BlinnPhongMaterial material;
+#define Material_LightProbeLOD( material )	(0)`,b0=`BlinnPhongMaterial material;
 material.diffuseColor = diffuseColor.rgb;
 material.specularColor = specular;
 material.specularShininess = shininess;
-material.specularStrength = specularStrength;`,b0=`varying vec3 vViewPosition;
+material.specularStrength = specularStrength;`,A0=`varying vec3 vViewPosition;
 struct BlinnPhongMaterial {
 	vec3 diffuseColor;
 	vec3 specularColor;
@@ -879,14 +860,14 @@ void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in Geometri
 	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );
 	vec3 irradiance = dotNL * directLight.color;
 	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
-	reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;
+	reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;
 }
 void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
 	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
 }
 #define RE_Direct				RE_Direct_BlinnPhong
 #define RE_IndirectDiffuse		RE_IndirectDiffuse_BlinnPhong
-#define Material_LightProbeLOD( material )	(0)`,A0=`PhysicalMaterial material;
+#define Material_LightProbeLOD( material )	(0)`,M0=`PhysicalMaterial material;
 material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );
 vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );
 float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );
@@ -895,20 +876,20 @@ material.roughness = min( material.roughness, 1.0 );
 #ifdef IOR
 	#ifdef SPECULAR
 		float specularIntensityFactor = specularIntensity;
-		vec3 specularTintFactor = specularTint;
+		vec3 specularColorFactor = specularColor;
 		#ifdef USE_SPECULARINTENSITYMAP
 			specularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;
 		#endif
-		#ifdef USE_SPECULARTINTMAP
-			specularTintFactor *= specularTintMapTexelToLinear( texture2D( specularTintMap, vUv ) ).rgb;
+		#ifdef USE_SPECULARCOLORMAP
+			specularColorFactor *= specularColorMapTexelToLinear( texture2D( specularColorMap, vUv ) ).rgb;
 		#endif
 		material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );
 	#else
 		float specularIntensityFactor = 1.0;
-		vec3 specularTintFactor = vec3( 1.0 );
+		vec3 specularColorFactor = vec3( 1.0 );
 		material.specularF90 = 1.0;
 	#endif
-	material.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularTintFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );
+	material.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );
 #else
 	material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );
 	material.specularF90 = 1.0;
@@ -929,8 +910,15 @@ material.roughness = min( material.roughness, 1.0 );
 	material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );
 #endif
 #ifdef USE_SHEEN
-	material.sheenTint = sheenTint;
-#endif`,M0=`struct PhysicalMaterial {
+	material.sheenColor = sheenColor;
+	#ifdef USE_SHEENCOLORMAP
+		material.sheenColor *= sheenColorMapTexelToLinear( texture2D( sheenColorMap, vUv ) ).rgb;
+	#endif
+	material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );
+	#ifdef USE_SHEENROUGHNESSMAP
+		material.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;
+	#endif
+#endif`,E0=`struct PhysicalMaterial {
 	vec3 diffuseColor;
 	float roughness;
 	vec3 specularColor;
@@ -942,7 +930,8 @@ material.roughness = min( material.roughness, 1.0 );
 		float clearcoatF90;
 	#endif
 	#ifdef USE_SHEEN
-		vec3 sheenTint;
+		vec3 sheenColor;
+		float sheenRoughness;
 	#endif
 };
 vec3 clearcoatSpecular = vec3( 0.0 );
@@ -1001,13 +990,12 @@ void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricC
 	#ifdef USE_CLEARCOAT
 		float dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );
 		vec3 ccIrradiance = dotNLcc * directLight.color;
-		clearcoatSpecular += ccIrradiance * BRDF_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
+		clearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
 	#endif
 	#ifdef USE_SHEEN
-		reflectedLight.directSpecular += irradiance * BRDF_Sheen( material.roughness, directLight.direction, geometry, material.sheenTint );
-	#else
-		reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );
+		reflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );
 	#endif
+	reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );
 	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
 }
 void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
@@ -1032,7 +1020,7 @@ void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradia
 #define RE_IndirectSpecular		RE_IndirectSpecular_Physical
 float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
 	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
-}`,E0=`
+}`,_0=`
 GeometricContext geometry;
 geometry.position = - vViewPosition;
 geometry.normal = normal;
@@ -1104,11 +1092,11 @@ IncidentLight directLight;
 #if defined( RE_IndirectDiffuse )
 	vec3 iblIrradiance = vec3( 0.0 );
 	vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );
-	irradiance += getLightProbeIrradiance( lightProbe, geometry );
+	irradiance += getLightProbeIrradiance( lightProbe, geometry.normal );
 	#if ( NUM_HEMI_LIGHTS > 0 )
 		#pragma unroll_loop_start
 		for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {
-			irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );
+			irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );
 		}
 		#pragma unroll_loop_end
 	#endif
@@ -1116,7 +1104,7 @@ IncidentLight directLight;
 #if defined( RE_IndirectSpecular )
 	vec3 radiance = vec3( 0.0 );
 	vec3 clearcoatRadiance = vec3( 0.0 );
-#endif`,_0=`#if defined( RE_IndirectDiffuse )
+#endif`,T0=`#if defined( RE_IndirectDiffuse )
 	#ifdef USE_LIGHTMAP
 		vec4 lightMapTexel = texture2D( lightMap, vUv2 );
 		vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;
@@ -1126,7 +1114,7 @@ IncidentLight directLight;
 		irradiance += lightMapIrradiance;
 	#endif
 	#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )
-		iblIrradiance += getIBLIrradiance( geometry );
+		iblIrradiance += getIBLIrradiance( geometry.normal );
 	#endif
 #endif
 #if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )
@@ -1134,14 +1122,14 @@ IncidentLight directLight;
 	#ifdef USE_CLEARCOAT
 		clearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );
 	#endif
-#endif`,T0=`#if defined( RE_IndirectDiffuse )
+#endif`,S0=`#if defined( RE_IndirectDiffuse )
 	RE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );
 #endif
 #if defined( RE_IndirectSpecular )
 	RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );
-#endif`,S0=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )
-	gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;
 #endif`,C0=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )
+	gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;
+#endif`,R0=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )
 	uniform float logDepthBufFC;
 	varying float vFragDepth;
 	varying float vIsPerspective;
@@ -1152,7 +1140,7 @@ IncidentLight directLight;
 	#else
 		uniform float logDepthBufFC;
 	#endif
-#endif`,R0=`#ifdef USE_LOGDEPTHBUF
+#endif`,D0=`#ifdef USE_LOGDEPTHBUF
 	#ifdef USE_LOGDEPTHBUF_EXT
 		vFragDepth = 1.0 + gl_Position.w;
 		vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );
@@ -1162,13 +1150,13 @@ IncidentLight directLight;
 			gl_Position.z *= gl_Position.w;
 		}
 	#endif
-#endif`,D0=`#ifdef USE_MAP
+#endif`,L0=`#ifdef USE_MAP
 	vec4 texelColor = texture2D( map, vUv );
 	texelColor = mapTexelToLinear( texelColor );
 	diffuseColor *= texelColor;
-#endif`,L0=`#ifdef USE_MAP
+#endif`,I0=`#ifdef USE_MAP
 	uniform sampler2D map;
-#endif`,I0=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
+#endif`,B0=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
 	vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;
 #endif
 #ifdef USE_MAP
@@ -1177,7 +1165,7 @@ IncidentLight directLight;
 #endif
 #ifdef USE_ALPHAMAP
 	diffuseColor.a *= texture2D( alphaMap, uv ).g;
-#endif`,B0=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
+#endif`,F0=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
 	uniform mat3 uvTransform;
 #endif
 #ifdef USE_MAP
@@ -1185,38 +1173,67 @@ IncidentLight directLight;
 #endif
 #ifdef USE_ALPHAMAP
 	uniform sampler2D alphaMap;
-#endif`,F0=`float metalnessFactor = metalness;
+#endif`,O0=`float metalnessFactor = metalness;
 #ifdef USE_METALNESSMAP
 	vec4 texelMetalness = texture2D( metalnessMap, vUv );
 	metalnessFactor *= texelMetalness.b;
-#endif`,O0=`#ifdef USE_METALNESSMAP
+#endif`,U0=`#ifdef USE_METALNESSMAP
 	uniform sampler2D metalnessMap;
-#endif`,U0=`#ifdef USE_MORPHNORMALS
+#endif`,N0=`#ifdef USE_MORPHNORMALS
 	objectNormal *= morphTargetBaseInfluence;
-	objectNormal += morphNormal0 * morphTargetInfluences[ 0 ];
-	objectNormal += morphNormal1 * morphTargetInfluences[ 1 ];
-	objectNormal += morphNormal2 * morphTargetInfluences[ 2 ];
-	objectNormal += morphNormal3 * morphTargetInfluences[ 3 ];
-#endif`,N0=`#ifdef USE_MORPHTARGETS
-	uniform float morphTargetBaseInfluence;
-	#ifndef USE_MORPHNORMALS
-		uniform float morphTargetInfluences[ 8 ];
+	#ifdef MORPHTARGETS_TEXTURE
+		for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
+			if ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ];
+		}
 	#else
-		uniform float morphTargetInfluences[ 4 ];
+		objectNormal += morphNormal0 * morphTargetInfluences[ 0 ];
+		objectNormal += morphNormal1 * morphTargetInfluences[ 1 ];
+		objectNormal += morphNormal2 * morphTargetInfluences[ 2 ];
+		objectNormal += morphNormal3 * morphTargetInfluences[ 3 ];
 	#endif
 #endif`,H0=`#ifdef USE_MORPHTARGETS
+	uniform float morphTargetBaseInfluence;
+	#ifdef MORPHTARGETS_TEXTURE
+		uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];
+		uniform sampler2DArray morphTargetsTexture;
+		uniform vec2 morphTargetsTextureSize;
+		vec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) {
+			float texelIndex = float( vertexIndex * stride + offset );
+			float y = floor( texelIndex / morphTargetsTextureSize.x );
+			float x = texelIndex - y * morphTargetsTextureSize.x;
+			vec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex );
+			return texture( morphTargetsTexture, morphUV ).xyz;
+		}
+	#else
+		#ifndef USE_MORPHNORMALS
+			uniform float morphTargetInfluences[ 8 ];
+		#else
+			uniform float morphTargetInfluences[ 4 ];
+		#endif
+	#endif
+#endif`,z0=`#ifdef USE_MORPHTARGETS
 	transformed *= morphTargetBaseInfluence;
-	transformed += morphTarget0 * morphTargetInfluences[ 0 ];
-	transformed += morphTarget1 * morphTargetInfluences[ 1 ];
-	transformed += morphTarget2 * morphTargetInfluences[ 2 ];
-	transformed += morphTarget3 * morphTargetInfluences[ 3 ];
-	#ifndef USE_MORPHNORMALS
-		transformed += morphTarget4 * morphTargetInfluences[ 4 ];
-		transformed += morphTarget5 * morphTargetInfluences[ 5 ];
-		transformed += morphTarget6 * morphTargetInfluences[ 6 ];
-		transformed += morphTarget7 * morphTargetInfluences[ 7 ];
-	#endif
-#endif`,z0=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;
+	#ifdef MORPHTARGETS_TEXTURE
+		for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
+			#ifndef USE_MORPHNORMALS
+				if ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ];
+			#else
+				if ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ];
+			#endif
+		}
+	#else
+		transformed += morphTarget0 * morphTargetInfluences[ 0 ];
+		transformed += morphTarget1 * morphTargetInfluences[ 1 ];
+		transformed += morphTarget2 * morphTargetInfluences[ 2 ];
+		transformed += morphTarget3 * morphTargetInfluences[ 3 ];
+		#ifndef USE_MORPHNORMALS
+			transformed += morphTarget4 * morphTargetInfluences[ 4 ];
+			transformed += morphTarget5 * morphTargetInfluences[ 5 ];
+			transformed += morphTarget6 * morphTargetInfluences[ 6 ];
+			transformed += morphTarget7 * morphTargetInfluences[ 7 ];
+		#endif
+	#endif
+#endif`,G0=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;
 #ifdef FLAT_SHADED
 	vec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );
 	vec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );
@@ -1238,7 +1255,7 @@ IncidentLight directLight;
 		#endif
 	#endif
 #endif
-vec3 geometryNormal = normal;`,G0=`#ifdef OBJECTSPACE_NORMALMAP
+vec3 geometryNormal = normal;`,k0=`#ifdef OBJECTSPACE_NORMALMAP
 	normal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;
 	#ifdef FLIP_SIDED
 		normal = - normal;
@@ -1257,19 +1274,19 @@ vec3 geometryNormal = normal;`,G0=`#ifdef OBJECTSPACE_NORMALMAP
 	#endif
 #elif defined( USE_BUMPMAP )
 	normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );
-#endif`,k0=`#ifndef FLAT_SHADED
+#endif`,V0=`#ifndef FLAT_SHADED
 	varying vec3 vNormal;
 	#ifdef USE_TANGENT
 		varying vec3 vTangent;
 		varying vec3 vBitangent;
 	#endif
-#endif`,V0=`#ifndef FLAT_SHADED
+#endif`,W0=`#ifndef FLAT_SHADED
 	varying vec3 vNormal;
 	#ifdef USE_TANGENT
 		varying vec3 vTangent;
 		varying vec3 vBitangent;
 	#endif
-#endif`,W0=`#ifndef FLAT_SHADED
+#endif`,j0=`#ifndef FLAT_SHADED
 	vNormal = normalize( transformedNormal );
 	#ifdef USE_TANGENT
 		vTangent = normalize( transformedTangent );
@@ -1297,9 +1314,9 @@ vec3 geometryNormal = normal;`,G0=`#ifdef OBJECTSPACE_NORMALMAP
 		float scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );
 		return normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );
 	}
-#endif`,j0=`#ifdef USE_CLEARCOAT
+#endif`,X0=`#ifdef USE_CLEARCOAT
 	vec3 clearcoatNormal = geometryNormal;
-#endif`,X0=`#ifdef USE_CLEARCOAT_NORMALMAP
+#endif`,Q0=`#ifdef USE_CLEARCOAT_NORMALMAP
 	vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;
 	clearcoatMapN.xy *= clearcoatNormalScale;
 	#ifdef USE_TANGENT
@@ -1307,7 +1324,7 @@ vec3 geometryNormal = normal;`,G0=`#ifdef OBJECTSPACE_NORMALMAP
 	#else
 		clearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );
 	#endif
-#endif`,Q0=`#ifdef USE_CLEARCOATMAP
+#endif`,q0=`#ifdef USE_CLEARCOATMAP
 	uniform sampler2D clearcoatMap;
 #endif
 #ifdef USE_CLEARCOAT_ROUGHNESSMAP
@@ -1316,13 +1333,13 @@ vec3 geometryNormal = normal;`,G0=`#ifdef OBJECTSPACE_NORMALMAP
 #ifdef USE_CLEARCOAT_NORMALMAP
 	uniform sampler2D clearcoatNormalMap;
 	uniform vec2 clearcoatNormalScale;
-#endif`,q0=`#ifdef OPAQUE
+#endif`,Z0=`#ifdef OPAQUE
 diffuseColor.a = 1.0;
 #endif
 #ifdef USE_TRANSMISSION
 diffuseColor.a *= transmissionAlpha + 0.1;
 #endif
-gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,Z0=`vec3 packNormalToRGB( const in vec3 normal ) {
+gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,J0=`vec3 packNormalToRGB( const in vec3 normal ) {
 	return normalize( normal ) * 0.5 + 0.5;
 }
 vec3 unpackRGBToNormal( const in vec3 rgb ) {
@@ -1357,29 +1374,29 @@ float viewZToPerspectiveDepth( const in float viewZ, const in float near, const
 }
 float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {
 	return ( near * far ) / ( ( far - near ) * invClipZ - far );
-}`,J0=`#ifdef PREMULTIPLIED_ALPHA
+}`,K0=`#ifdef PREMULTIPLIED_ALPHA
 	gl_FragColor.rgb *= gl_FragColor.a;
-#endif`,K0=`vec4 mvPosition = vec4( transformed, 1.0 );
+#endif`,$0=`vec4 mvPosition = vec4( transformed, 1.0 );
 #ifdef USE_INSTANCING
 	mvPosition = instanceMatrix * mvPosition;
 #endif
 mvPosition = modelViewMatrix * mvPosition;
-gl_Position = projectionMatrix * mvPosition;`,$0=`#ifdef DITHERING
+gl_Position = projectionMatrix * mvPosition;`,ev=`#ifdef DITHERING
 	gl_FragColor.rgb = dithering( gl_FragColor.rgb );
-#endif`,ev=`#ifdef DITHERING
+#endif`,tv=`#ifdef DITHERING
 	vec3 dithering( vec3 color ) {
 		float grid_position = rand( gl_FragCoord.xy );
 		vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );
 		dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );
 		return color + dither_shift_RGB;
 	}
-#endif`,tv=`float roughnessFactor = roughness;
+#endif`,nv=`float roughnessFactor = roughness;
 #ifdef USE_ROUGHNESSMAP
 	vec4 texelRoughness = texture2D( roughnessMap, vUv );
 	roughnessFactor *= texelRoughness.g;
-#endif`,nv=`#ifdef USE_ROUGHNESSMAP
+#endif`,iv=`#ifdef USE_ROUGHNESSMAP
 	uniform sampler2D roughnessMap;
-#endif`,iv=`#ifdef USE_SHADOWMAP
+#endif`,rv=`#ifdef USE_SHADOWMAP
 	#if NUM_DIR_LIGHT_SHADOWS > 0
 		uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];
 		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
@@ -1553,7 +1570,7 @@ gl_Position = projectionMatrix * mvPosition;`,$0=`#ifdef DITHERING
 			return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );
 		#endif
 	}
-#endif`,rv=`#ifdef USE_SHADOWMAP
+#endif`,sv=`#ifdef USE_SHADOWMAP
 	#if NUM_DIR_LIGHT_SHADOWS > 0
 		uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];
 		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
@@ -1589,7 +1606,7 @@ gl_Position = projectionMatrix * mvPosition;`,$0=`#ifdef DITHERING
 		};
 		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
 	#endif
-#endif`,sv=`#ifdef USE_SHADOWMAP
+#endif`,av=`#ifdef USE_SHADOWMAP
 	#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0
 		vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
 		vec4 shadowWorldPosition;
@@ -1618,7 +1635,7 @@ gl_Position = projectionMatrix * mvPosition;`,$0=`#ifdef DITHERING
 	}
 	#pragma unroll_loop_end
 	#endif
-#endif`,av=`float getShadowMask() {
+#endif`,ov=`float getShadowMask() {
 	float shadow = 1.0;
 	#ifdef USE_SHADOWMAP
 	#if NUM_DIR_LIGHT_SHADOWS > 0
@@ -1650,12 +1667,12 @@ gl_Position = projectionMatrix * mvPosition;`,$0=`#ifdef DITHERING
 	#endif
 	#endif
 	return shadow;
-}`,ov=`#ifdef USE_SKINNING
+}`,lv=`#ifdef USE_SKINNING
 	mat4 boneMatX = getBoneMatrix( skinIndex.x );
 	mat4 boneMatY = getBoneMatrix( skinIndex.y );
 	mat4 boneMatZ = getBoneMatrix( skinIndex.z );
 	mat4 boneMatW = getBoneMatrix( skinIndex.w );
-#endif`,lv=`#ifdef USE_SKINNING
+#endif`,cv=`#ifdef USE_SKINNING
 	uniform mat4 bindMatrix;
 	uniform mat4 bindMatrixInverse;
 	#ifdef BONE_TEXTURE
@@ -1682,7 +1699,7 @@ gl_Position = projectionMatrix * mvPosition;`,$0=`#ifdef DITHERING
 			return bone;
 		}
 	#endif
-#endif`,cv=`#ifdef USE_SKINNING
+#endif`,uv=`#ifdef USE_SKINNING
 	vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );
 	vec4 skinned = vec4( 0.0 );
 	skinned += boneMatX * skinVertex * skinWeight.x;
@@ -1690,7 +1707,7 @@ gl_Position = projectionMatrix * mvPosition;`,$0=`#ifdef DITHERING
 	skinned += boneMatZ * skinVertex * skinWeight.z;
 	skinned += boneMatW * skinVertex * skinWeight.w;
 	transformed = ( bindMatrixInverse * skinned ).xyz;
-#endif`,uv=`#ifdef USE_SKINNING
+#endif`,hv=`#ifdef USE_SKINNING
 	mat4 skinMatrix = mat4( 0.0 );
 	skinMatrix += skinWeight.x * boneMatX;
 	skinMatrix += skinWeight.y * boneMatY;
@@ -1701,17 +1718,17 @@ gl_Position = projectionMatrix * mvPosition;`,$0=`#ifdef DITHERING
 	#ifdef USE_TANGENT
 		objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;
 	#endif
-#endif`,hv=`float specularStrength;
+#endif`,dv=`float specularStrength;
 #ifdef USE_SPECULARMAP
 	vec4 texelSpecular = texture2D( specularMap, vUv );
 	specularStrength = texelSpecular.r;
 #else
 	specularStrength = 1.0;
-#endif`,dv=`#ifdef USE_SPECULARMAP
+#endif`,fv=`#ifdef USE_SPECULARMAP
 	uniform sampler2D specularMap;
-#endif`,fv=`#if defined( TONE_MAPPING )
+#endif`,pv=`#if defined( TONE_MAPPING )
 	gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );
-#endif`,pv=`#ifndef saturate
+#endif`,mv=`#ifndef saturate
 #define saturate( a ) clamp( a, 0.0, 1.0 )
 #endif
 uniform float toneMappingExposure;
@@ -1747,7 +1764,7 @@ vec3 ACESFilmicToneMapping( vec3 color ) {
 	color = ACESOutputMat * color;
 	return saturate( color );
 }
-vec3 CustomToneMapping( vec3 color ) { return color; }`,mv=`#ifdef USE_TRANSMISSION
+vec3 CustomToneMapping( vec3 color ) { return color; }`,gv=`#ifdef USE_TRANSMISSION
 	float transmissionAlpha = 1.0;
 	float transmissionFactor = transmission;
 	float thicknessFactor = thickness;
@@ -1763,14 +1780,14 @@ vec3 CustomToneMapping( vec3 color ) { return color; }`,mv=`#ifdef USE_TRANSMISS
 	vec4 transmission = getIBLVolumeRefraction(
 		n, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,
 		pos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,
-		attenuationTint, attenuationDistance );
+		attenuationColor, attenuationDistance );
 	totalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );
-	transmissionAlpha = transmission.a;
-#endif`,gv=`#ifdef USE_TRANSMISSION
+	transmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );
+#endif`,vv=`#ifdef USE_TRANSMISSION
 	uniform float transmission;
 	uniform float thickness;
 	uniform float attenuationDistance;
-	uniform vec3 attenuationTint;
+	uniform vec3 attenuationColor;
 	#ifdef USE_TRANSMISSIONMAP
 		uniform sampler2D transmissionMap;
 	#endif
@@ -1823,44 +1840,51 @@ vec3 CustomToneMapping( vec3 color ) { return color; }`,mv=`#ifdef USE_TRANSMISS
 		vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );
 		return vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );
 	}
-#endif`,vv=`#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )
+#endif`,xv=`#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )
 	varying vec2 vUv;
-#endif`,xv=`#ifdef USE_UV
+#endif`,yv=`#ifdef USE_UV
 	#ifdef UVS_VERTEX_ONLY
 		vec2 vUv;
 	#else
 		varying vec2 vUv;
 	#endif
 	uniform mat3 uvTransform;
-#endif`,yv=`#ifdef USE_UV
+#endif`,wv=`#ifdef USE_UV
 	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;
-#endif`,wv=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
-	varying vec2 vUv2;
 #endif`,bv=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
+	varying vec2 vUv2;
+#endif`,Av=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
 	attribute vec2 uv2;
 	varying vec2 vUv2;
 	uniform mat3 uv2Transform;
-#endif`,Av=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
+#endif`,Mv=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
 	vUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;
-#endif`,Mv=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )
+#endif`,Ev=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )
 	vec4 worldPosition = vec4( transformed, 1.0 );
 	#ifdef USE_INSTANCING
 		worldPosition = instanceMatrix * worldPosition;
 	#endif
 	worldPosition = modelMatrix * worldPosition;
-#endif`,Ev=`uniform sampler2D t2D;
+#endif`,_v=`varying vec2 vUv;
+uniform mat3 uvTransform;
+void main() {
+	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;
+	gl_Position = vec4( position.xy, 1.0, 1.0 );
+}`,Tv=`uniform sampler2D t2D;
 varying vec2 vUv;
 void main() {
 	vec4 texColor = texture2D( t2D, vUv );
 	gl_FragColor = mapTexelToLinear( texColor );
 	#include <tonemapping_fragment>
 	#include <encodings_fragment>
-}`,_v=`varying vec2 vUv;
-uniform mat3 uvTransform;
+}`,Sv=`varying vec3 vWorldDirection;
+#include <common>
 void main() {
-	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;
-	gl_Position = vec4( position.xy, 1.0, 1.0 );
-}`,Tv=`#include <envmap_common_pars_fragment>
+	vWorldDirection = transformDirection( position, modelMatrix );
+	#include <begin_vertex>
+	#include <project_vertex>
+	gl_Position.z = gl_Position.w;
+}`,Cv=`#include <envmap_common_pars_fragment>
 uniform float opacity;
 varying vec3 vWorldDirection;
 #include <cube_uv_reflection_fragment>
@@ -1871,14 +1895,31 @@ void main() {
 	gl_FragColor.a *= opacity;
 	#include <tonemapping_fragment>
 	#include <encodings_fragment>
-}`,Sv=`varying vec3 vWorldDirection;
-#include <common>
+}`,Rv=`#include <common>
+#include <uv_pars_vertex>
+#include <displacementmap_pars_vertex>
+#include <morphtarget_pars_vertex>
+#include <skinning_pars_vertex>
+#include <logdepthbuf_pars_vertex>
+#include <clipping_planes_pars_vertex>
+varying vec2 vHighPrecisionZW;
 void main() {
-	vWorldDirection = transformDirection( position, modelMatrix );
+	#include <uv_vertex>
+	#include <skinbase_vertex>
+	#ifdef USE_DISPLACEMENTMAP
+		#include <beginnormal_vertex>
+		#include <morphnormal_vertex>
+		#include <skinnormal_vertex>
+	#endif
 	#include <begin_vertex>
+	#include <morphtarget_vertex>
+	#include <skinning_vertex>
+	#include <displacementmap_vertex>
 	#include <project_vertex>
-	gl_Position.z = gl_Position.w;
-}`,Cv=`#if DEPTH_PACKING == 3200
+	#include <logdepthbuf_vertex>
+	#include <clipping_planes_vertex>
+	vHighPrecisionZW = gl_Position.zw;
+}`,Pv=`#if DEPTH_PACKING == 3200
 	uniform float opacity;
 #endif
 #include <common>
@@ -1906,14 +1947,14 @@ void main() {
 	#elif DEPTH_PACKING == 3201
 		gl_FragColor = packDepthToRGBA( fragCoordZ );
 	#endif
-}`,Pv=`#include <common>
+}`,Dv=`#define DISTANCE
+varying vec3 vWorldPosition;
+#include <common>
 #include <uv_pars_vertex>
 #include <displacementmap_pars_vertex>
 #include <morphtarget_pars_vertex>
 #include <skinning_pars_vertex>
-#include <logdepthbuf_pars_vertex>
 #include <clipping_planes_pars_vertex>
-varying vec2 vHighPrecisionZW;
 void main() {
 	#include <uv_vertex>
 	#include <skinbase_vertex>
@@ -1927,10 +1968,10 @@ void main() {
 	#include <skinning_vertex>
 	#include <displacementmap_vertex>
 	#include <project_vertex>
-	#include <logdepthbuf_vertex>
+	#include <worldpos_vertex>
 	#include <clipping_planes_vertex>
-	vHighPrecisionZW = gl_Position.zw;
-}`,Rv=`#define DISTANCE
+	vWorldPosition = worldPosition.xyz;
+}`,Lv=`#define DISTANCE
 uniform vec3 referencePosition;
 uniform float nearDistance;
 uniform float farDistance;
@@ -1952,31 +1993,13 @@ void main () {
 	dist = ( dist - nearDistance ) / ( farDistance - nearDistance );
 	dist = saturate( dist );
 	gl_FragColor = packDepthToRGBA( dist );
-}`,Dv=`#define DISTANCE
-varying vec3 vWorldPosition;
+}`,Iv=`varying vec3 vWorldDirection;
 #include <common>
-#include <uv_pars_vertex>
-#include <displacementmap_pars_vertex>
-#include <morphtarget_pars_vertex>
-#include <skinning_pars_vertex>
-#include <clipping_planes_pars_vertex>
 void main() {
-	#include <uv_vertex>
-	#include <skinbase_vertex>
-	#ifdef USE_DISPLACEMENTMAP
-		#include <beginnormal_vertex>
-		#include <morphnormal_vertex>
-		#include <skinnormal_vertex>
-	#endif
+	vWorldDirection = transformDirection( position, modelMatrix );
 	#include <begin_vertex>
-	#include <morphtarget_vertex>
-	#include <skinning_vertex>
-	#include <displacementmap_vertex>
 	#include <project_vertex>
-	#include <worldpos_vertex>
-	#include <clipping_planes_vertex>
-	vWorldPosition = worldPosition.xyz;
-}`,Lv=`uniform sampler2D tEquirect;
+}`,Bv=`uniform sampler2D tEquirect;
 varying vec3 vWorldDirection;
 #include <common>
 void main() {
@@ -1986,13 +2009,25 @@ void main() {
 	gl_FragColor = mapTexelToLinear( texColor );
 	#include <tonemapping_fragment>
 	#include <encodings_fragment>
-}`,Iv=`varying vec3 vWorldDirection;
+}`,Fv=`uniform float scale;
+attribute float lineDistance;
+varying float vLineDistance;
 #include <common>
+#include <color_pars_vertex>
+#include <fog_pars_vertex>
+#include <morphtarget_pars_vertex>
+#include <logdepthbuf_pars_vertex>
+#include <clipping_planes_pars_vertex>
 void main() {
-	vWorldDirection = transformDirection( position, modelMatrix );
+	vLineDistance = scale * lineDistance;
+	#include <color_vertex>
 	#include <begin_vertex>
+	#include <morphtarget_vertex>
 	#include <project_vertex>
-}`,Bv=`uniform vec3 diffuse;
+	#include <logdepthbuf_vertex>
+	#include <clipping_planes_vertex>
+	#include <fog_vertex>
+}`,Ov=`uniform vec3 diffuse;
 uniform float opacity;
 uniform float dashSize;
 uniform float totalSize;
@@ -2017,25 +2052,37 @@ void main() {
 	#include <encodings_fragment>
 	#include <fog_fragment>
 	#include <premultiplied_alpha_fragment>
-}`,Fv=`uniform float scale;
-attribute float lineDistance;
-varying float vLineDistance;
-#include <common>
+}`,Uv=`#include <common>
+#include <uv_pars_vertex>
+#include <uv2_pars_vertex>
+#include <envmap_pars_vertex>
 #include <color_pars_vertex>
 #include <fog_pars_vertex>
 #include <morphtarget_pars_vertex>
+#include <skinning_pars_vertex>
 #include <logdepthbuf_pars_vertex>
 #include <clipping_planes_pars_vertex>
 void main() {
-	vLineDistance = scale * lineDistance;
+	#include <uv_vertex>
+	#include <uv2_vertex>
 	#include <color_vertex>
+	#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )
+		#include <beginnormal_vertex>
+		#include <morphnormal_vertex>
+		#include <skinbase_vertex>
+		#include <skinnormal_vertex>
+		#include <defaultnormal_vertex>
+	#endif
 	#include <begin_vertex>
 	#include <morphtarget_vertex>
+	#include <skinning_vertex>
 	#include <project_vertex>
 	#include <logdepthbuf_vertex>
 	#include <clipping_planes_vertex>
+	#include <worldpos_vertex>
+	#include <envmap_vertex>
 	#include <fog_vertex>
-}`,Ov=`uniform vec3 diffuse;
+}`,Nv=`uniform vec3 diffuse;
 uniform float opacity;
 #ifndef FLAT_SHADED
 	varying vec3 vNormal;
@@ -2083,27 +2130,35 @@ void main() {
 	#include <fog_fragment>
 	#include <premultiplied_alpha_fragment>
 	#include <dithering_fragment>
-}`,Uv=`#include <common>
+}`,Hv=`#define LAMBERT
+varying vec3 vLightFront;
+varying vec3 vIndirectFront;
+#ifdef DOUBLE_SIDED
+	varying vec3 vLightBack;
+	varying vec3 vIndirectBack;
+#endif
+#include <common>
 #include <uv_pars_vertex>
 #include <uv2_pars_vertex>
 #include <envmap_pars_vertex>
+#include <bsdfs>
+#include <lights_pars_begin>
 #include <color_pars_vertex>
 #include <fog_pars_vertex>
 #include <morphtarget_pars_vertex>
 #include <skinning_pars_vertex>
+#include <shadowmap_pars_vertex>
 #include <logdepthbuf_pars_vertex>
 #include <clipping_planes_pars_vertex>
 void main() {
 	#include <uv_vertex>
 	#include <uv2_vertex>
 	#include <color_vertex>
-	#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )
-		#include <beginnormal_vertex>
-		#include <morphnormal_vertex>
-		#include <skinbase_vertex>
-		#include <skinnormal_vertex>
-		#include <defaultnormal_vertex>
-	#endif
+	#include <beginnormal_vertex>
+	#include <morphnormal_vertex>
+	#include <skinbase_vertex>
+	#include <skinnormal_vertex>
+	#include <defaultnormal_vertex>
 	#include <begin_vertex>
 	#include <morphtarget_vertex>
 	#include <skinning_vertex>
@@ -2112,8 +2167,10 @@ void main() {
 	#include <clipping_planes_vertex>
 	#include <worldpos_vertex>
 	#include <envmap_vertex>
+	#include <lights_lambert_vertex>
+	#include <shadowmap_vertex>
 	#include <fog_vertex>
-}`,Nv=`uniform vec3 diffuse;
+}`,zv=`uniform vec3 diffuse;
 uniform vec3 emissive;
 uniform float opacity;
 varying vec3 vLightFront;
@@ -2179,47 +2236,37 @@ void main() {
 	#include <fog_fragment>
 	#include <premultiplied_alpha_fragment>
 	#include <dithering_fragment>
-}`,Hv=`#define LAMBERT
-varying vec3 vLightFront;
-varying vec3 vIndirectFront;
-#ifdef DOUBLE_SIDED
-	varying vec3 vLightBack;
-	varying vec3 vIndirectBack;
-#endif
+}`,Gv=`#define MATCAP
+varying vec3 vViewPosition;
 #include <common>
 #include <uv_pars_vertex>
-#include <uv2_pars_vertex>
-#include <envmap_pars_vertex>
-#include <bsdfs>
-#include <lights_pars_begin>
 #include <color_pars_vertex>
+#include <displacementmap_pars_vertex>
 #include <fog_pars_vertex>
+#include <normal_pars_vertex>
 #include <morphtarget_pars_vertex>
 #include <skinning_pars_vertex>
-#include <shadowmap_pars_vertex>
 #include <logdepthbuf_pars_vertex>
 #include <clipping_planes_pars_vertex>
 void main() {
 	#include <uv_vertex>
-	#include <uv2_vertex>
 	#include <color_vertex>
 	#include <beginnormal_vertex>
 	#include <morphnormal_vertex>
 	#include <skinbase_vertex>
 	#include <skinnormal_vertex>
 	#include <defaultnormal_vertex>
+	#include <normal_vertex>
 	#include <begin_vertex>
 	#include <morphtarget_vertex>
 	#include <skinning_vertex>
+	#include <displacementmap_vertex>
 	#include <project_vertex>
 	#include <logdepthbuf_vertex>
 	#include <clipping_planes_vertex>
-	#include <worldpos_vertex>
-	#include <envmap_vertex>
-	#include <lights_lambert_vertex>
-	#include <shadowmap_vertex>
 	#include <fog_vertex>
-}`,zv=`#define MATCAP
+	vViewPosition = - mvPosition.xyz;
+}`,kv=`#define MATCAP
 uniform vec3 diffuse;
 uniform float opacity;
 uniform sampler2D matcap;
@@ -2264,13 +2311,13 @@ void main() {
 	#include <fog_fragment>
 	#include <premultiplied_alpha_fragment>
 	#include <dithering_fragment>
-}`,Gv=`#define MATCAP
-varying vec3 vViewPosition;
+}`,Vv=`#define NORMAL
+#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
+	varying vec3 vViewPosition;
+#endif
 #include <common>
 #include <uv_pars_vertex>
-#include <color_pars_vertex>
 #include <displacementmap_pars_vertex>
-#include <fog_pars_vertex>
 #include <normal_pars_vertex>
 #include <morphtarget_pars_vertex>
 #include <skinning_pars_vertex>
@@ -2278,7 +2325,6 @@ varying vec3 vViewPosition;
 #include <clipping_planes_pars_vertex>
 void main() {
 	#include <uv_vertex>
-	#include <color_vertex>
 	#include <beginnormal_vertex>
 	#include <morphnormal_vertex>
 	#include <skinbase_vertex>
@@ -2292,9 +2338,10 @@ void main() {
 	#include <project_vertex>
 	#include <logdepthbuf_vertex>
 	#include <clipping_planes_vertex>
-	#include <fog_vertex>
+#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
 	vViewPosition = - mvPosition.xyz;
-}`,kv=`#define NORMAL
+#endif
+}`,Wv=`#define NORMAL
 uniform float opacity;
 #if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
 	varying vec3 vViewPosition;
@@ -2312,20 +2359,25 @@ void main() {
 	#include <normal_fragment_begin>
 	#include <normal_fragment_maps>
 	gl_FragColor = vec4( packNormalToRGB( normal ), opacity );
-}`,Vv=`#define NORMAL
-#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
-	varying vec3 vViewPosition;
-#endif
+}`,jv=`#define PHONG
+varying vec3 vViewPosition;
 #include <common>
 #include <uv_pars_vertex>
+#include <uv2_pars_vertex>
 #include <displacementmap_pars_vertex>
+#include <envmap_pars_vertex>
+#include <color_pars_vertex>
+#include <fog_pars_vertex>
 #include <normal_pars_vertex>
 #include <morphtarget_pars_vertex>
 #include <skinning_pars_vertex>
+#include <shadowmap_pars_vertex>
 #include <logdepthbuf_pars_vertex>
 #include <clipping_planes_pars_vertex>
 void main() {
 	#include <uv_vertex>
+	#include <uv2_vertex>
+	#include <color_vertex>
 	#include <beginnormal_vertex>
 	#include <morphnormal_vertex>
 	#include <skinbase_vertex>
@@ -2339,10 +2391,12 @@ void main() {
 	#include <project_vertex>
 	#include <logdepthbuf_vertex>
 	#include <clipping_planes_vertex>
-#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
 	vViewPosition = - mvPosition.xyz;
-#endif
-}`,Wv=`#define PHONG
+	#include <worldpos_vertex>
+	#include <envmap_vertex>
+	#include <shadowmap_vertex>
+	#include <fog_vertex>
+}`,Yv=`#define PHONG
 uniform vec3 diffuse;
 uniform vec3 emissive;
 uniform vec3 specular;
@@ -2401,13 +2455,15 @@ void main() {
 	#include <fog_fragment>
 	#include <premultiplied_alpha_fragment>
 	#include <dithering_fragment>
-}`,Yv=`#define PHONG
+}`,Xv=`#define STANDARD
 varying vec3 vViewPosition;
+#ifdef USE_TRANSMISSION
+	varying vec3 vWorldPosition;
+#endif
 #include <common>
 #include <uv_pars_vertex>
 #include <uv2_pars_vertex>
 #include <displacementmap_pars_vertex>
-#include <envmap_pars_vertex>
 #include <color_pars_vertex>
 #include <fog_pars_vertex>
 #include <normal_pars_vertex>
@@ -2435,10 +2491,12 @@ void main() {
 	#include <clipping_planes_vertex>
 	vViewPosition = - mvPosition.xyz;
 	#include <worldpos_vertex>
-	#include <envmap_vertex>
 	#include <shadowmap_vertex>
 	#include <fog_vertex>
-}`,jv=`#define STANDARD
+#ifdef USE_TRANSMISSION
+	vWorldPosition = worldPosition.xyz;
+#endif
+}`,Qv=`#define STANDARD
 #ifdef PHYSICAL
 	#define IOR
 	#define SPECULAR
@@ -2453,12 +2511,12 @@ uniform float opacity;
 #endif
 #ifdef SPECULAR
 	uniform float specularIntensity;
-	uniform vec3 specularTint;
+	uniform vec3 specularColor;
 	#ifdef USE_SPECULARINTENSITYMAP
 		uniform sampler2D specularIntensityMap;
 	#endif
-	#ifdef USE_SPECULARTINTMAP
-		uniform sampler2D specularTintMap;
+	#ifdef USE_SPECULARCOLORMAP
+		uniform sampler2D specularColorMap;
 	#endif
 #endif
 #ifdef USE_CLEARCOAT
@@ -2466,7 +2524,14 @@ uniform float opacity;
 	uniform float clearcoatRoughness;
 #endif
 #ifdef USE_SHEEN
-	uniform vec3 sheenTint;
+	uniform vec3 sheenColor;
+	uniform float sheenRoughness;
+	#ifdef USE_SHEENCOLORMAP
+		uniform sampler2D sheenColorMap;
+	#endif
+	#ifdef USE_SHEENROUGHNESSMAP
+		uniform sampler2D sheenRoughnessMap;
+	#endif
 #endif
 varying vec3 vViewPosition;
 #include <common>
@@ -2527,7 +2592,7 @@ void main() {
 	#ifdef USE_CLEARCOAT
 		float dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );
 		vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );
-		outgoingLight = outgoingLight * ( 1.0 - clearcoat * Fcc ) + clearcoatSpecular * clearcoat;
+		outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;
 	#endif
 	#include <output_fragment>
 	#include <tonemapping_fragment>
@@ -2535,11 +2600,8 @@ void main() {
 	#include <fog_fragment>
 	#include <premultiplied_alpha_fragment>
 	#include <dithering_fragment>
-}`,Xv=`#define STANDARD
+}`,qv=`#define TOON
 varying vec3 vViewPosition;
-#ifdef USE_TRANSMISSION
-	varying vec3 vWorldPosition;
-#endif
 #include <common>
 #include <uv_pars_vertex>
 #include <uv2_pars_vertex>
@@ -2573,10 +2635,7 @@ void main() {
 	#include <worldpos_vertex>
 	#include <shadowmap_vertex>
 	#include <fog_vertex>
-#ifdef USE_TRANSMISSION
-	vWorldPosition = worldPosition.xyz;
-#endif
-}`,Qv=`#define TOON
+}`,Zv=`#define TOON
 uniform vec3 diffuse;
 uniform vec3 emissive;
 uniform float opacity;
@@ -2628,42 +2687,29 @@ void main() {
 	#include <fog_fragment>
 	#include <premultiplied_alpha_fragment>
 	#include <dithering_fragment>
-}`,qv=`#define TOON
-varying vec3 vViewPosition;
+}`,Jv=`uniform float size;
+uniform float scale;
 #include <common>
-#include <uv_pars_vertex>
-#include <uv2_pars_vertex>
-#include <displacementmap_pars_vertex>
 #include <color_pars_vertex>
 #include <fog_pars_vertex>
-#include <normal_pars_vertex>
 #include <morphtarget_pars_vertex>
-#include <skinning_pars_vertex>
-#include <shadowmap_pars_vertex>
 #include <logdepthbuf_pars_vertex>
 #include <clipping_planes_pars_vertex>
 void main() {
-	#include <uv_vertex>
-	#include <uv2_vertex>
 	#include <color_vertex>
-	#include <beginnormal_vertex>
-	#include <morphnormal_vertex>
-	#include <skinbase_vertex>
-	#include <skinnormal_vertex>
-	#include <defaultnormal_vertex>
-	#include <normal_vertex>
 	#include <begin_vertex>
 	#include <morphtarget_vertex>
-	#include <skinning_vertex>
-	#include <displacementmap_vertex>
 	#include <project_vertex>
+	gl_PointSize = size;
+	#ifdef USE_SIZEATTENUATION
+		bool isPerspective = isPerspectiveMatrix( projectionMatrix );
+		if ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );
+	#endif
 	#include <logdepthbuf_vertex>
 	#include <clipping_planes_vertex>
-	vViewPosition = - mvPosition.xyz;
 	#include <worldpos_vertex>
-	#include <shadowmap_vertex>
 	#include <fog_vertex>
-}`,Zv=`uniform vec3 diffuse;
+}`,Kv=`uniform vec3 diffuse;
 uniform float opacity;
 #include <common>
 #include <color_pars_fragment>
@@ -2686,29 +2732,25 @@ void main() {
 	#include <encodings_fragment>
 	#include <fog_fragment>
 	#include <premultiplied_alpha_fragment>
-}`,Jv=`uniform float size;
-uniform float scale;
-#include <common>
-#include <color_pars_vertex>
+}`,$v=`#include <common>
 #include <fog_pars_vertex>
 #include <morphtarget_pars_vertex>
-#include <logdepthbuf_pars_vertex>
-#include <clipping_planes_pars_vertex>
+#include <skinning_pars_vertex>
+#include <shadowmap_pars_vertex>
 void main() {
-	#include <color_vertex>
+	#include <beginnormal_vertex>
+	#include <morphnormal_vertex>
+	#include <skinbase_vertex>
+	#include <skinnormal_vertex>
+	#include <defaultnormal_vertex>
 	#include <begin_vertex>
 	#include <morphtarget_vertex>
+	#include <skinning_vertex>
 	#include <project_vertex>
-	gl_PointSize = size;
-	#ifdef USE_SIZEATTENUATION
-		bool isPerspective = isPerspectiveMatrix( projectionMatrix );
-		if ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );
-	#endif
-	#include <logdepthbuf_vertex>
-	#include <clipping_planes_vertex>
 	#include <worldpos_vertex>
+	#include <shadowmap_vertex>
 	#include <fog_vertex>
-}`,Kv=`uniform vec3 color;
+}`,ex=`uniform vec3 color;
 uniform float opacity;
 #include <common>
 #include <packing>
@@ -2722,43 +2764,6 @@ void main() {
 	#include <tonemapping_fragment>
 	#include <encodings_fragment>
 	#include <fog_fragment>
-}`,$v=`#include <common>
-#include <fog_pars_vertex>
-#include <shadowmap_pars_vertex>
-void main() {
-	#include <begin_vertex>
-	#include <project_vertex>
-	#include <worldpos_vertex>
-	#include <beginnormal_vertex>
-	#include <morphnormal_vertex>
-	#include <skinbase_vertex>
-	#include <skinnormal_vertex>
-	#include <defaultnormal_vertex>
-	#include <shadowmap_vertex>
-	#include <fog_vertex>
-}`,ex=`uniform vec3 diffuse;
-uniform float opacity;
-#include <common>
-#include <uv_pars_fragment>
-#include <map_pars_fragment>
-#include <alphamap_pars_fragment>
-#include <alphatest_pars_fragment>
-#include <fog_pars_fragment>
-#include <logdepthbuf_pars_fragment>
-#include <clipping_planes_pars_fragment>
-void main() {
-	#include <clipping_planes_fragment>
-	vec3 outgoingLight = vec3( 0.0 );
-	vec4 diffuseColor = vec4( diffuse, opacity );
-	#include <logdepthbuf_fragment>
-	#include <map_fragment>
-	#include <alphamap_fragment>
-	#include <alphatest_fragment>
-	outgoingLight = diffuseColor.rgb;
-	#include <output_fragment>
-	#include <tonemapping_fragment>
-	#include <encodings_fragment>
-	#include <fog_fragment>
 }`,tx=`uniform float rotation;
 uniform vec2 center;
 #include <common>
@@ -2785,7 +2790,30 @@ void main() {
 	#include <logdepthbuf_vertex>
 	#include <clipping_planes_vertex>
 	#include <fog_vertex>
-}`,Oe={alphamap_fragment:Rg,alphamap_pars_fragment:Dg,alphatest_fragment:Lg,alphatest_pars_fragment:Ig,aomap_fragment:Bg,aomap_pars_fragment:Fg,begin_vertex:Og,beginnormal_vertex:Ug,bsdfs:Ng,bumpmap_pars_fragment:Hg,clipping_planes_fragment:zg,clipping_planes_pars_fragment:Gg,clipping_planes_pars_vertex:kg,clipping_planes_vertex:Vg,color_fragment:Wg,color_pars_fragment:Yg,color_pars_vertex:jg,color_vertex:Xg,common:Qg,cube_uv_reflection_fragment:qg,defaultnormal_vertex:Zg,displacementmap_pars_vertex:Jg,displacementmap_vertex:Kg,emissivemap_fragment:$g,emissivemap_pars_fragment:e0,encodings_fragment:t0,encodings_pars_fragment:n0,envmap_fragment:i0,envmap_common_pars_fragment:r0,envmap_pars_fragment:s0,envmap_pars_vertex:a0,envmap_physical_pars_fragment:v0,envmap_vertex:o0,fog_vertex:l0,fog_pars_vertex:c0,fog_fragment:u0,fog_pars_fragment:h0,gradientmap_pars_fragment:d0,lightmap_fragment:f0,lightmap_pars_fragment:p0,lights_lambert_vertex:m0,lights_pars_begin:g0,lights_toon_fragment:x0,lights_toon_pars_fragment:y0,lights_phong_fragment:w0,lights_phong_pars_fragment:b0,lights_physical_fragment:A0,lights_physical_pars_fragment:M0,lights_fragment_begin:E0,lights_fragment_maps:_0,lights_fragment_end:T0,logdepthbuf_fragment:S0,logdepthbuf_pars_fragment:C0,logdepthbuf_pars_vertex:P0,logdepthbuf_vertex:R0,map_fragment:D0,map_pars_fragment:L0,map_particle_fragment:I0,map_particle_pars_fragment:B0,metalnessmap_fragment:F0,metalnessmap_pars_fragment:O0,morphnormal_vertex:U0,morphtarget_pars_vertex:N0,morphtarget_vertex:H0,normal_fragment_begin:z0,normal_fragment_maps:G0,normal_pars_fragment:k0,normal_pars_vertex:V0,normal_vertex:W0,normalmap_pars_fragment:Y0,clearcoat_normal_fragment_begin:j0,clearcoat_normal_fragment_maps:X0,clearcoat_pars_fragment:Q0,output_fragment:q0,packing:Z0,premultiplied_alpha_fragment:J0,project_vertex:K0,dithering_fragment:$0,dithering_pars_fragment:ev,roughnessmap_fragment:tv,roughnessmap_pars_fragment:nv,shadowmap_pars_fragment:iv,shadowmap_pars_vertex:rv,shadowmap_vertex:sv,shadowmask_pars_fragment:av,skinbase_vertex:ov,skinning_pars_vertex:lv,skinning_vertex:cv,skinnormal_vertex:uv,specularmap_fragment:hv,specularmap_pars_fragment:dv,tonemapping_fragment:fv,tonemapping_pars_fragment:pv,transmission_fragment:mv,transmission_pars_fragment:gv,uv_pars_fragment:vv,uv_pars_vertex:xv,uv_vertex:yv,uv2_pars_fragment:wv,uv2_pars_vertex:bv,uv2_vertex:Av,worldpos_vertex:Mv,background_frag:Ev,background_vert:_v,cube_frag:Tv,cube_vert:Sv,depth_frag:Cv,depth_vert:Pv,distanceRGBA_frag:Rv,distanceRGBA_vert:Dv,equirect_frag:Lv,equirect_vert:Iv,linedashed_frag:Bv,linedashed_vert:Fv,meshbasic_frag:Ov,meshbasic_vert:Uv,meshlambert_frag:Nv,meshlambert_vert:Hv,meshmatcap_frag:zv,meshmatcap_vert:Gv,meshnormal_frag:kv,meshnormal_vert:Vv,meshphong_frag:Wv,meshphong_vert:Yv,meshphysical_frag:jv,meshphysical_vert:Xv,meshtoon_frag:Qv,meshtoon_vert:qv,points_frag:Zv,points_vert:Jv,shadow_frag:Kv,shadow_vert:$v,sprite_frag:ex,sprite_vert:tx},ne={common:{diffuse:{value:new K(16777215)},opacity:{value:1},map:{value:null},uvTransform:{value:new vt},uv2Transform:{value:new vt},alphaMap:{value:null},alphaTest:{value:0}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new z(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new K(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new K(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},alphaTest:{value:0},uvTransform:{value:new vt}},sprite:{diffuse:{value:new K(16777215)},opacity:{value:1},center:{value:new z(.5,.5)},rotation:{value:0},map:{value:null},alphaMap:{value:null},alphaTest:{value:0},uvTransform:{value:new vt}}},mn={basic:{uniforms:Bt([ne.common,ne.specularmap,ne.envmap,ne.aomap,ne.lightmap,ne.fog]),vertexShader:Oe.meshbasic_vert,fragmentShader:Oe.meshbasic_frag},lambert:{uniforms:Bt([ne.common,ne.specularmap,ne.envmap,ne.aomap,ne.lightmap,ne.emissivemap,ne.fog,ne.lights,{emissive:{value:new K(0)}}]),vertexShader:Oe.meshlambert_vert,fragmentShader:Oe.meshlambert_frag},phong:{uniforms:Bt([ne.common,ne.specularmap,ne.envmap,ne.aomap,ne.lightmap,ne.emissivemap,ne.bumpmap,ne.normalmap,ne.displacementmap,ne.fog,ne.lights,{emissive:{value:new K(0)},specular:{value:new K(1118481)},shininess:{value:30}}]),vertexShader:Oe.meshphong_vert,fragmentShader:Oe.meshphong_frag},standard:{uniforms:Bt([ne.common,ne.envmap,ne.aomap,ne.lightmap,ne.emissivemap,ne.bumpmap,ne.normalmap,ne.displacementmap,ne.roughnessmap,ne.metalnessmap,ne.fog,ne.lights,{emissive:{value:new K(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:Oe.meshphysical_vert,fragmentShader:Oe.meshphysical_frag},toon:{uniforms:Bt([ne.common,ne.aomap,ne.lightmap,ne.emissivemap,ne.bumpmap,ne.normalmap,ne.displacementmap,ne.gradientmap,ne.fog,ne.lights,{emissive:{value:new K(0)}}]),vertexShader:Oe.meshtoon_vert,fragmentShader:Oe.meshtoon_frag},matcap:{uniforms:Bt([ne.common,ne.bumpmap,ne.normalmap,ne.displacementmap,ne.fog,{matcap:{value:null}}]),vertexShader:Oe.meshmatcap_vert,fragmentShader:Oe.meshmatcap_frag},points:{uniforms:Bt([ne.points,ne.fog]),vertexShader:Oe.points_vert,fragmentShader:Oe.points_frag},dashed:{uniforms:Bt([ne.common,ne.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:Oe.linedashed_vert,fragmentShader:Oe.linedashed_frag},depth:{uniforms:Bt([ne.common,ne.displacementmap]),vertexShader:Oe.depth_vert,fragmentShader:Oe.depth_frag},normal:{uniforms:Bt([ne.common,ne.bumpmap,ne.normalmap,ne.displacementmap,{opacity:{value:1}}]),vertexShader:Oe.meshnormal_vert,fragmentShader:Oe.meshnormal_frag},sprite:{uniforms:Bt([ne.sprite,ne.fog]),vertexShader:Oe.sprite_vert,fragmentShader:Oe.sprite_frag},background:{uniforms:{uvTransform:{value:new vt},t2D:{value:null}},vertexShader:Oe.background_vert,fragmentShader:Oe.background_frag},cube:{uniforms:Bt([ne.envmap,{opacity:{value:1}}]),vertexShader:Oe.cube_vert,fragmentShader:Oe.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:Oe.equirect_vert,fragmentShader:Oe.equirect_frag},distanceRGBA:{uniforms:Bt([ne.common,ne.displacementmap,{referencePosition:{value:new b},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:Oe.distanceRGBA_vert,fragmentShader:Oe.distanceRGBA_frag},shadow:{uniforms:Bt([ne.lights,ne.fog,{color:{value:new K(0)},opacity:{value:1}}]),vertexShader:Oe.shadow_vert,fragmentShader:Oe.shadow_frag}};mn.physical={uniforms:Bt([mn.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new z(1,1)},clearcoatNormalMap:{value:null},sheenTint:{value:new K(0)},transmission:{value:0},transmissionMap:{value:null},transmissionSamplerSize:{value:new z},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},attenuationDistance:{value:0},attenuationTint:{value:new K(0)},specularIntensity:{value:0},specularIntensityMap:{value:null},specularTint:{value:new K(1,1,1)},specularTintMap:{value:null}}]),vertexShader:Oe.meshphysical_vert,fragmentShader:Oe.meshphysical_frag};function nx(s,e,t,n,i){let r=new K(0),a=0,o,l,c=null,u=0,h=null;function d(p,v){let x=!1,g=v.isScene===!0?v.background:null;g&&g.isTexture&&(g=e.get(g));let m=s.xr,y=m.getSession&&m.getSession();y&&y.environmentBlendMode==="additive"&&(g=null),g===null?f(r,a):g&&g.isColor&&(f(g,1),x=!0),(s.autoClear||x)&&s.clear(s.autoClearColor,s.autoClearDepth,s.autoClearStencil),g&&(g.isCubeTexture||g.mapping===cr)?(l===void 0&&(l=new ze(new Hn(1,1,1),new Qe({name:"BackgroundCubeMaterial",uniforms:Mr(mn.cube.uniforms),vertexShader:mn.cube.vertexShader,fragmentShader:mn.cube.fragmentShader,side:Ye,depthTest:!1,depthWrite:!1,fog:!1})),l.geometry.deleteAttribute("normal"),l.geometry.deleteAttribute("uv"),l.onBeforeRender=function(w,M,S){this.matrixWorld.copyPosition(S.matrixWorld)},Object.defineProperty(l.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),n.update(l)),l.material.uniforms.envMap.value=g,l.material.uniforms.flipEnvMap.value=g.isCubeTexture&&g.isRenderTargetTexture===!1?-1:1,(c!==g||u!==g.version||h!==s.toneMapping)&&(l.material.needsUpdate=!0,c=g,u=g.version,h=s.toneMapping),p.unshift(l,l.geometry,l.material,0,0,null)):g&&g.isTexture&&(o===void 0&&(o=new ze(new Hi(2,2),new Qe({name:"BackgroundMaterial",uniforms:Mr(mn.background.uniforms),vertexShader:mn.background.vertexShader,fragmentShader:mn.background.fragmentShader,side:Rn,depthTest:!1,depthWrite:!1,fog:!1})),o.geometry.deleteAttribute("normal"),Object.defineProperty(o.material,"map",{get:function(){return this.uniforms.t2D.value}}),n.update(o)),o.material.uniforms.t2D.value=g,g.matrixAutoUpdate===!0&&g.updateMatrix(),o.material.uniforms.uvTransform.value.copy(g.matrix),(c!==g||u!==g.version||h!==s.toneMapping)&&(o.material.needsUpdate=!0,c=g,u=g.version,h=s.toneMapping),p.unshift(o,o.geometry,o.material,0,0,null))}function f(p,v){t.buffers.color.setClear(p.r,p.g,p.b,v,i)}return{getClearColor:function(){return r},setClearColor:function(p,v=1){r.set(p),a=v,f(r,a)},getClearAlpha:function(){return a},setClearAlpha:function(p){a=p,f(r,a)},render:d}}function ix(s,e,t,n){let i=s.getParameter(34921),r=n.isWebGL2?null:e.get("OES_vertex_array_object"),a=n.isWebGL2||r!==null,o={},l=v(null),c=l;function 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super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=e.view===null?null:Object.assign({},e.view),this}setViewOffset(e,t,n,i,r,a){this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2,r=n-e,a=n+e,o=i+t,l=i-t;if(this.view!==null&&this.view.enabled){let c=(this.right-this.left)/this.view.fullWidth/this.zoom,u=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=c*this.view.offsetX,a=r+c*this.view.width,o-=u*this.view.offsetY,l=o-u*this.view.height}this.projectionMatrix.makeOrthographic(r,a,o,l,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,this.view!==null&&(t.object.view=Object.assign({},this.view)),t}};Cr.prototype.isOrthographicCamera=!0;var zi=class extends Qe{constructor(e){super(e);this.type="RawShaderMaterial"}};zi.prototype.isRawShaderMaterial=!0;var Pr=4,ci=8,Mn=Math.pow(2,ci),Ld=[.125,.215,.35,.446,.526,.582],Id=ci-Pr+1+Ld.length,Rr=20,En={[_t]:0,[ur]:1,[Ma]:2,[Pl]:3,[Rl]:4,[Dl]:5,[Aa]:6},dc=new Cr,{_lodPlanes:Ns,_sizeLods:Bd,_sigmas:Ya}=cx(),Fd=new K,fc=null,Gi=(1+Math.sqrt(5))/2,Dr=1/Gi,Od=[new b(1,1,1),new b(-1,1,1),new b(1,1,-1),new b(-1,1,-1),new b(0,Gi,Dr),new b(0,Gi,-Dr),new b(Dr,0,Gi),new b(-Dr,0,Gi),new b(Gi,Dr,0),new b(-Gi,Dr,0)],pc=class{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._blurMaterial=ux(Rr),this._equirectShader=null,this._cubemapShader=null,this._compileMaterial(this._blurMaterial)}fromScene(e,t=0,n=.1,i=100){fc=this._renderer.getRenderTarget();let r=this._allocateTargets();return this._sceneToCubeUV(e,n,i,r),t>0&&this._blur(r,0,0,t),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(e){return this._fromTexture(e)}fromCubemap(e){return this._fromTexture(e)}compileCubemapShader(){this._cubemapShader===null&&(this._cubemapShader=Hd(),this._compileMaterial(this._cubemapShader))}compileEquirectangularShader(){this._equirectShader===null&&(this._equirectShader=Nd(),this._compileMaterial(this._equirectShader))}dispose(){this._blurMaterial.dispose(),this._cubemapShader!==null&&this._cubemapShader.dispose(),this._equirectShader!==null&&this._equirectShader.dispose();for(let e=0;e<Ns.length;e++)Ns[e].dispose()}_cleanup(e){this._pingPongRenderTarget.dispose(),this._renderer.setRenderTarget(fc),e.scissorTest=!1,ja(e,0,0,e.width,e.height)}_fromTexture(e){fc=this._renderer.getRenderTarget();let t=this._allocateTargets(e);return this._textureToCubeUV(e,t),this._applyPMREM(t),this._cleanup(t),t}_allocateTargets(e){let t={magFilter:mt,minFilter:mt,generateMipmaps:!1,type:rt,format:_h,encoding:lx(e)?e.encoding:Ma,depthBuffer:!1},n=Ud(t);return n.depthBuffer=!e,this._pingPongRenderTarget=Ud(t),n}_compileMaterial(e){let t=new ze(Ns[0],e);this._renderer.compile(t,dc)}_sceneToCubeUV(e,t,n,i){let r=90,a=1,o=new nt(r,a,t,n),l=[1,-1,1,1,1,1],c=[1,1,1,-1,-1,-1],u=this._renderer,h=u.autoClear,d=u.outputEncoding,f=u.toneMapping;u.getClearColor(Fd),u.toneMapping=Zn,u.outputEncoding=_t,u.autoClear=!1;let p=new zt({name:"PMREM.Background",side:Ye,depthWrite:!1,depthTest:!1}),v=new ze(new Hn,p),x=!1,g=e.background;g?g.isColor&&(p.color.copy(g),e.background=null,x=!0):(p.color.copy(Fd),x=!0);for(let m=0;m<6;m++){let y=m%3;y==0?(o.up.set(0,l[m],0),o.lookAt(c[m],0,0)):y==1?(o.up.set(0,0,l[m]),o.lookAt(0,c[m],0)):(o.up.set(0,l[m],0),o.lookAt(0,0,c[m])),ja(i,y*Mn,m>2?Mn:0,Mn,Mn),u.setRenderTarget(i),x&&u.render(v,o),u.render(e,o)}v.geometry.dispose(),v.material.dispose(),u.toneMapping=f,u.outputEncoding=d,u.autoClear=h,e.background=g}_textureToCubeUV(e,t){let n=this._renderer;e.isCubeTexture?this._cubemapShader==null&&(this._cubemapShader=Hd()):this._equirectShader==null&&(this._equirectShader=Nd());let i=e.isCubeTexture?this._cubemapShader:this._equirectShader,r=new ze(Ns[0],i),a=i.uniforms;a.envMap.value=e,e.isCubeTexture||a.texelSize.value.set(1/e.image.width,1/e.image.height),a.inputEncoding.value=En[e.encoding],a.outputEncoding.value=En[t.texture.encoding],ja(t,0,0,3*Mn,2*Mn),n.setRenderTarget(t),n.render(r,dc)}_applyPMREM(e){let t=this._renderer,n=t.autoClear;t.autoClear=!1;for(let i=1;i<Id;i++){let r=Math.sqrt(Ya[i]*Ya[i]-Ya[i-1]*Ya[i-1]),a=Od[(i-1)%Od.length];this._blur(e,i-1,i,r,a)}t.autoClear=n}_blur(e,t,n,i,r){let a=this._pingPongRenderTarget;this._halfBlur(e,a,t,n,i,"latitudinal",r),this._halfBlur(a,e,n,n,i,"longitudinal",r)}_halfBlur(e,t,n,i,r,a,o){let l=this._renderer,c=this._blurMaterial;a!=="latitudinal"&&a!=="longitudinal"&&console.error("blur direction must be either latitudinal or longitudinal!");let u=3,h=new ze(Ns[i],c),d=c.uniforms,f=Bd[n]-1,p=isFinite(r)?Math.PI/(2*f):2*Math.PI/(2*Rr-1),v=r/p,x=isFinite(r)?1+Math.floor(u*v):Rr;x>Rr&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${x} samples when the maximum is set to ${Rr}`);let g=[],m=0;for(let S=0;S<Rr;++S){let A=S/v,C=Math.exp(-A*A/2);g.push(C),S==0?m+=C:S<x&&(m+=2*C)}for(let S=0;S<g.length;S++)g[S]=g[S]/m;d.envMap.value=e.texture,d.samples.value=x,d.weights.value=g,d.latitudinal.value=a==="latitudinal",o&&(d.poleAxis.value=o),d.dTheta.value=p,d.mipInt.value=ci-n,d.inputEncoding.value=En[e.texture.encoding],d.outputEncoding.value=En[e.texture.encoding];let y=Bd[i],w=3*Math.max(0,Mn-2*y),M=(i===0?0:2*Mn)+2*y*(i>ci-Pr?i-ci+Pr:0);ja(t,w,M,3*y,2*y),l.setRenderTarget(t),l.render(h,dc)}};function lx(s){return s===void 0||s.type!==rt?!1:s.encoding===_t||s.encoding===ur||s.encoding===Aa}function cx(){let s=[],e=[],t=[],n=ci;for(let i=0;i<Id;i++){let r=Math.pow(2,n);e.push(r);let a=1/r;i>ci-Pr?a=Ld[i-ci+Pr-1]:i==0&&(a=0),t.push(a);let o=1/(r-1),l=-o/2,c=1+o/2,u=[l,l,c,l,c,c,l,l,c,c,l,c],h=6,d=6,f=3,p=2,v=1,x=new Float32Array(f*d*h),g=new Float32Array(p*d*h),m=new Float32Array(v*d*h);for(let w=0;w<h;w++){let M=w%3*2/3-1,S=w>2?0:-1,A=[M,S,0,M+2/3,S,0,M+2/3,S+1,0,M,S,0,M+2/3,S+1,0,M,S+1,0];x.set(A,f*d*w),g.set(u,p*d*w);let C=[w,w,w,w,w,w];m.set(C,v*d*w)}let y=new le;y.setAttribute("position",new de(x,f)),y.setAttribute("uv",new de(g,p)),y.setAttribute("faceIndex",new de(m,v)),s.push(y),n>Pr&&n--}return{_lodPlanes:s,_sizeLods:e,_sigmas:t}}function Ud(s){let e=new ut(3*Mn,3*Mn,s);return e.texture.mapping=cr,e.texture.name="PMREM.cubeUv",e.scissorTest=!0,e}function ja(s,e,t,n,i){s.viewport.set(e,t,n,i),s.scissor.set(e,t,n,i)}function ux(s){let e=new Float32Array(s),t=new b(0,1,0);return new zi({name:"SphericalGaussianBlur",defines:{n:s},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:e},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:t},inputEncoding:{value:En[_t]},outputEncoding:{value:En[_t]}},vertexShader:mc(),fragmentShader:`
+}`,nx=`uniform vec3 diffuse;
+uniform float opacity;
+#include <common>
+#include <uv_pars_fragment>
+#include <map_pars_fragment>
+#include <alphamap_pars_fragment>
+#include <alphatest_pars_fragment>
+#include <fog_pars_fragment>
+#include <logdepthbuf_pars_fragment>
+#include <clipping_planes_pars_fragment>
+void main() {
+	#include <clipping_planes_fragment>
+	vec3 outgoingLight = vec3( 0.0 );
+	vec4 diffuseColor = vec4( diffuse, opacity );
+	#include <logdepthbuf_fragment>
+	#include <map_fragment>
+	#include <alphamap_fragment>
+	#include <alphatest_fragment>
+	outgoingLight = diffuseColor.rgb;
+	#include <output_fragment>
+	#include <tonemapping_fragment>
+	#include <encodings_fragment>
+	#include <fog_fragment>
+}`,Ie={alphamap_fragment:Dg,alphamap_pars_fragment:Lg,alphatest_fragment:Ig,alphatest_pars_fragment:Bg,aomap_fragment:Fg,aomap_pars_fragment:Og,begin_vertex:Ug,beginnormal_vertex:Ng,bsdfs:Hg,bumpmap_pars_fragment:zg,clipping_planes_fragment:Gg,clipping_planes_pars_fragment:kg,clipping_planes_pars_vertex:Vg,clipping_planes_vertex:Wg,color_fragment:jg,color_pars_fragment:Yg,color_pars_vertex:Xg,color_vertex:Qg,common:qg,cube_uv_reflection_fragment:Zg,defaultnormal_vertex:Jg,displacementmap_pars_vertex:Kg,displacementmap_vertex:$g,emissivemap_fragment:e0,emissivemap_pars_fragment:t0,encodings_fragment:n0,encodings_pars_fragment:i0,envmap_fragment:r0,envmap_common_pars_fragment:s0,envmap_pars_fragment:a0,envmap_pars_vertex:o0,envmap_physical_pars_fragment:x0,envmap_vertex:l0,fog_vertex:c0,fog_pars_vertex:u0,fog_fragment:h0,fog_pars_fragment:d0,gradientmap_pars_fragment:f0,lightmap_fragment:p0,lightmap_pars_fragment:m0,lights_lambert_vertex:g0,lights_pars_begin:v0,lights_toon_fragment:y0,lights_toon_pars_fragment:w0,lights_phong_fragment:b0,lights_phong_pars_fragment:A0,lights_physical_fragment:M0,lights_physical_pars_fragment:E0,lights_fragment_begin:_0,lights_fragment_maps:T0,lights_fragment_end:S0,logdepthbuf_fragment:C0,logdepthbuf_pars_fragment:R0,logdepthbuf_pars_vertex:P0,logdepthbuf_vertex:D0,map_fragment:L0,map_pars_fragment:I0,map_particle_fragment:B0,map_particle_pars_fragment:F0,metalnessmap_fragment:O0,metalnessmap_pars_fragment:U0,morphnormal_vertex:N0,morphtarget_pars_vertex:H0,morphtarget_vertex:z0,normal_fragment_begin:G0,normal_fragment_maps:k0,normal_pars_fragment:V0,normal_pars_vertex:W0,normal_vertex:j0,normalmap_pars_fragment:Y0,clearcoat_normal_fragment_begin:X0,clearcoat_normal_fragment_maps:Q0,clearcoat_pars_fragment:q0,output_fragment:Z0,packing:J0,premultiplied_alpha_fragment:K0,project_vertex:$0,dithering_fragment:ev,dithering_pars_fragment:tv,roughnessmap_fragment:nv,roughnessmap_pars_fragment:iv,shadowmap_pars_fragment:rv,shadowmap_pars_vertex:sv,shadowmap_vertex:av,shadowmask_pars_fragment:ov,skinbase_vertex:lv,skinning_pars_vertex:cv,skinning_vertex:uv,skinnormal_vertex:hv,specularmap_fragment:dv,specularmap_pars_fragment:fv,tonemapping_fragment:pv,tonemapping_pars_fragment:mv,transmission_fragment:gv,transmission_pars_fragment:vv,uv_pars_fragment:xv,uv_pars_vertex:yv,uv_vertex:wv,uv2_pars_fragment:bv,uv2_pars_vertex:Av,uv2_vertex:Mv,worldpos_vertex:Ev,background_vert:_v,background_frag:Tv,cube_vert:Sv,cube_frag:Cv,depth_vert:Rv,depth_frag:Pv,distanceRGBA_vert:Dv,distanceRGBA_frag:Lv,equirect_vert:Iv,equirect_frag:Bv,linedashed_vert:Fv,linedashed_frag:Ov,meshbasic_vert:Uv,meshbasic_frag:Nv,meshlambert_vert:Hv,meshlambert_frag:zv,meshmatcap_vert:Gv,meshmatcap_frag:kv,meshnormal_vert:Vv,meshnormal_frag:Wv,meshphong_vert:jv,meshphong_frag:Yv,meshphysical_vert:Xv,meshphysical_frag:Qv,meshtoon_vert:qv,meshtoon_frag:Zv,points_vert:Jv,points_frag:Kv,shadow_vert:$v,shadow_frag:ex,sprite_vert:tx,sprite_frag:nx},se={common:{diffuse:{value:new ee(16777215)},opacity:{value:1},map:{value:null},uvTransform:{value:new wt},uv2Transform:{value:new wt},alphaMap:{value:null},alphaTest:{value:0}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new U(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new ee(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new 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i=d,t=u(h,f,0),n=h.length,p},this.beginShadows=function(){r=!0,u(null)},this.endShadows=function(){r=!1,c()},this.setState=function(h,d,f){let p=h.clippingPlanes,v=h.clipIntersection,x=h.clipShadows,g=s.get(h);if(!i||p===null||p.length===0||r&&!x)r?u(null):c();else{let m=r?0:n,w=m*4,y=g.clippingState||null;l.value=y,y=u(p,d,w,f);for(let M=0;M!==w;++M)y[M]=t[M];g.clippingState=y,this.numIntersection=v?this.numPlanes:0,this.numPlanes+=m}};function c(){l.value!==t&&(l.value=t,l.needsUpdate=n>0),e.numPlanes=n,e.numIntersection=0}function u(h,d,f,p){let v=h!==null?h.length:0,x=null;if(v!==0){if(x=l.value,p!==!0||x===null){let g=f+v*4,m=d.matrixWorldInverse;o.getNormalMatrix(m),(x===null||x.length<g)&&(x=new Float32Array(g));for(let w=0,y=f;w!==v;++w,y+=4)a.copy(h[w]).applyMatrix4(m,o),a.normal.toArray(x,y),x[y+3]=a.constant}l.value=x,l.needsUpdate=!0}return e.numPlanes=v,e.numIntersection=0,x}}function lx(s){let e=new WeakMap;function t(a,o){return o===ys?a.mapping=Si:o===ws&&(a.mapping=Ci),a}function n(a){if(a&&a.isTexture&&a.isRenderTargetTexture===!1){let o=a.mapping;if(o===ys||o===ws)if(e.has(a)){let l=e.get(a).texture;return t(l,a.mapping)}else{let l=a.image;if(l&&l.height>0){let c=s.getRenderTarget(),u=new Us(l.height/2);return u.fromEquirectangularTexture(s,a),e.set(a,u),s.setRenderTarget(c),a.addEventListener("dispose",i),t(u.texture,a.mapping)}else return null}}return a}function i(a){let o=a.target;o.removeEventListener("dispose",i);let l=e.get(o);l!==void 0&&(e.delete(o),l.dispose())}function r(){e=new WeakMap}return{get:n,dispose:r}}var Rr=class extends si{constructor(e=-1,t=1,n=1,i=-1,r=.1,a=2e3){super();this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=n,this.bottom=i,this.near=r,this.far=a,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=e.view===null?null:Object.assign({},e.view),this}setViewOffset(e,t,n,i,r,a){this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2,r=n-e,a=n+e,o=i+t,l=i-t;if(this.view!==null&&this.view.enabled){let c=(this.right-this.left)/this.view.fullWidth/this.zoom,u=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=c*this.view.offsetX,a=r+c*this.view.width,o-=u*this.view.offsetY,l=o-u*this.view.height}this.projectionMatrix.makeOrthographic(r,a,o,l,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,this.view!==null&&(t.object.view=Object.assign({},this.view)),t}};Rr.prototype.isOrthographicCamera=!0;var zi=class extends qe{constructor(e){super(e);this.type="RawShaderMaterial"}};zi.prototype.isRawShaderMaterial=!0;var Pr=4,ai=8,yn=Math.pow(2,ai),Cd=[.125,.215,.35,.446,.526,.582],Rd=ai-Pr+1+Cd.length,Dr=20,Gi={[_t]:0,[hr]:1,[_a]:2,[Sl]:3,[Cl]:4,[Rl]:5,[Ea]:6},uc=new Rr,{_lodPlanes:Ns,_sizeLods:Pd,_sigmas:Qa}=ux(),Dd=new ee,hc=null,ki=(1+Math.sqrt(5))/2,Lr=1/ki,Ld=[new A(1,1,1),new A(-1,1,1),new A(1,1,-1),new A(-1,1,-1),new A(0,ki,Lr),new A(0,ki,-Lr),new A(Lr,0,ki),new A(-Lr,0,ki),new A(ki,Lr,0),new A(-ki,Lr,0)],dc=class{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._blurMaterial=hx(Dr),this._equirectShader=null,this._cubemapShader=null,this._compileMaterial(this._blurMaterial)}fromScene(e,t=0,n=.1,i=100){hc=this._renderer.getRenderTarget();let r=this._allocateTargets();return this._sceneToCubeUV(e,n,i,r),t>0&&this._blur(r,0,0,t),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(e){return this._fromTexture(e)}fromCubemap(e){return this._fromTexture(e)}compileCubemapShader(){this._cubemapShader===null&&(this._cubemapShader=Fd(),this._compileMaterial(this._cubemapShader))}compileEquirectangularShader(){this._equirectShader===null&&(this._equirectShader=Bd(),this._compileMaterial(this._equirectShader))}dispose(){this._blurMaterial.dispose(),this._cubemapShader!==null&&this._cubemapShader.dispose(),this._equirectShader!==null&&this._equirectShader.dispose();for(let e=0;e<Ns.length;e++)Ns[e].dispose()}_cleanup(e){this._pingPongRenderTarget.dispose(),this._renderer.setRenderTarget(hc),e.scissorTest=!1,qa(e,0,0,e.width,e.height)}_fromTexture(e){hc=this._renderer.getRenderTarget();let t=this._allocateTargets(e);return this._textureToCubeUV(e,t),this._applyPMREM(t),this._cleanup(t),t}_allocateTargets(e){let t={magFilter:yt,minFilter:yt,generateMipmaps:!1,type:it,format:bh,encoding:cx(e)?e.encoding:_a,depthBuffer:!1},n=Id(t);return n.depthBuffer=!e,this._pingPongRenderTarget=Id(t),n}_compileMaterial(e){let t=new He(Ns[0],e);this._renderer.compile(t,uc)}_sceneToCubeUV(e,t,n,i){let r=90,a=1,o=new st(r,a,t,n),l=[1,-1,1,1,1,1],c=[1,1,1,-1,-1,-1],u=this._renderer,h=u.autoClear,d=u.outputEncoding,f=u.toneMapping;u.getClearColor(Dd),u.toneMapping=Xn,u.outputEncoding=_t,u.autoClear=!1;let p=new zt({name:"PMREM.Background",side:je,depthWrite:!1,depthTest:!1}),v=new He(new Un,p),x=!1,g=e.background;g?g.isColor&&(p.color.copy(g),e.background=null,x=!0):(p.color.copy(Dd),x=!0);for(let m=0;m<6;m++){let w=m%3;w==0?(o.up.set(0,l[m],0),o.lookAt(c[m],0,0)):w==1?(o.up.set(0,0,l[m]),o.lookAt(0,c[m],0)):(o.up.set(0,l[m],0),o.lookAt(0,0,c[m])),qa(i,w*yn,m>2?yn:0,yn,yn),u.setRenderTarget(i),x&&u.render(v,o),u.render(e,o)}v.geometry.dispose(),v.material.dispose(),u.toneMapping=f,u.outputEncoding=d,u.autoClear=h,e.background=g}_setEncoding(e,t){e.value=Gi[t.encoding]}_textureToCubeUV(e,t){let n=this._renderer,i=e.mapping===Si||e.mapping===Ci;i?this._cubemapShader==null&&(this._cubemapShader=Fd()):this._equirectShader==null&&(this._equirectShader=Bd());let r=i?this._cubemapShader:this._equirectShader,a=new He(Ns[0],r),o=r.uniforms;o.envMap.value=e,i||o.texelSize.value.set(1/e.image.width,1/e.image.height),this._setEncoding(o.inputEncoding,e),this._setEncoding(o.outputEncoding,t.texture),qa(t,0,0,3*yn,2*yn),n.setRenderTarget(t),n.render(a,uc)}_applyPMREM(e){let t=this._renderer,n=t.autoClear;t.autoClear=!1;for(let i=1;i<Rd;i++){let r=Math.sqrt(Qa[i]*Qa[i]-Qa[i-1]*Qa[i-1]),a=Ld[(i-1)%Ld.length];this._blur(e,i-1,i,r,a)}t.autoClear=n}_blur(e,t,n,i,r){let a=this._pingPongRenderTarget;this._halfBlur(e,a,t,n,i,"latitudinal",r),this._halfBlur(a,e,n,n,i,"longitudinal",r)}_halfBlur(e,t,n,i,r,a,o){let l=this._renderer,c=this._blurMaterial;a!=="latitudinal"&&a!=="longitudinal"&&console.error("blur direction must be either latitudinal or longitudinal!");let u=3,h=new He(Ns[i],c),d=c.uniforms,f=Pd[n]-1,p=isFinite(r)?Math.PI/(2*f):2*Math.PI/(2*Dr-1),v=r/p,x=isFinite(r)?1+Math.floor(u*v):Dr;x>Dr&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${x} samples when the maximum is set to ${Dr}`);let g=[],m=0;for(let S=0;S<Dr;++S){let b=S/v,R=Math.exp(-b*b/2);g.push(R),S==0?m+=R:S<x&&(m+=2*R)}for(let S=0;S<g.length;S++)g[S]=g[S]/m;d.envMap.value=e.texture,d.samples.value=x,d.weights.value=g,d.latitudinal.value=a==="latitudinal",o&&(d.poleAxis.value=o),d.dTheta.value=p,d.mipInt.value=ai-n,this._setEncoding(d.inputEncoding,e.texture),this._setEncoding(d.outputEncoding,e.texture);let w=Pd[i],y=3*Math.max(0,yn-2*w),M=(i===0?0:2*yn)+2*w*(i>ai-Pr?i-ai+Pr:0);qa(t,y,M,3*w,2*w),l.setRenderTarget(t),l.render(h,uc)}};function cx(s){return s===void 0||s.type!==it?!1:s.encoding===_t||s.encoding===hr||s.encoding===Ea}function ux(){let s=[],e=[],t=[],n=ai;for(let i=0;i<Rd;i++){let r=Math.pow(2,n);e.push(r);let a=1/r;i>ai-Pr?a=Cd[i-ai+Pr-1]:i==0&&(a=0),t.push(a);let o=1/(r-1),l=-o/2,c=1+o/2,u=[l,l,c,l,c,c,l,l,c,c,l,c],h=6,d=6,f=3,p=2,v=1,x=new Float32Array(f*d*h),g=new Float32Array(p*d*h),m=new Float32Array(v*d*h);for(let y=0;y<h;y++){let M=y%3*2/3-1,S=y>2?0:-1,b=[M,S,0,M+2/3,S,0,M+2/3,S+1,0,M,S,0,M+2/3,S+1,0,M,S+1,0];x.set(b,f*d*y),g.set(u,p*d*y);let R=[y,y,y,y,y,y];m.set(R,v*d*y)}let w=new de;w.setAttribute("position",new pe(x,f)),w.setAttribute("uv",new pe(g,p)),w.setAttribute("faceIndex",new pe(m,v)),s.push(w),n>Pr&&n--}return{_lodPlanes:s,_sizeLods:e,_sigmas:t}}function Id(s){let e=new rt(3*yn,3*yn,s);return e.texture.mapping=cr,e.texture.name="PMREM.cubeUv",e.scissorTest=!0,e}function qa(s,e,t,n,i){s.viewport.set(e,t,n,i),s.scissor.set(e,t,n,i)}function hx(s){let e=new Float32Array(s),t=new A(0,1,0);return new zi({name:"SphericalGaussianBlur",defines:{n:s},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:e},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:t},inputEncoding:{value:Gi[_t]},outputEncoding:{value:Gi[_t]}},vertexShader:fc(),fragmentShader:`
 
 			precision mediump float;
 			precision mediump int;
@@ -2800,7 +2828,7 @@ void main() {
 			uniform float mipInt;
 			uniform vec3 poleAxis;
 
-			${gc()}
+			${pc()}
 
 			#define ENVMAP_TYPE_CUBE_UV
 			#include <cube_uv_reflection_fragment>
@@ -2849,7 +2877,7 @@ void main() {
 				gl_FragColor = linearToOutputTexel( gl_FragColor );
 
 			}
-		`,blending:Pt,depthTest:!1,depthWrite:!1})}function Nd(){let s=new z(1,1);return new zi({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null},texelSize:{value:s},inputEncoding:{value:En[_t]},outputEncoding:{value:En[_t]}},vertexShader:mc(),fragmentShader:`
+		`,blending:Rt,depthTest:!1,depthWrite:!1})}function Bd(){let s=new U(1,1);return new zi({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null},texelSize:{value:s},inputEncoding:{value:Gi[_t]},outputEncoding:{value:Gi[_t]}},vertexShader:fc(),fragmentShader:`
 
 			precision mediump float;
 			precision mediump int;
@@ -2859,7 +2887,7 @@ void main() {
 			uniform sampler2D envMap;
 			uniform vec2 texelSize;
 
-			${gc()}
+			${pc()}
 
 			#include <common>
 
@@ -2887,7 +2915,7 @@ void main() {
 				gl_FragColor = linearToOutputTexel( gl_FragColor );
 
 			}
-		`,blending:Pt,depthTest:!1,depthWrite:!1})}function Hd(){return new zi({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:En[_t]},outputEncoding:{value:En[_t]}},vertexShader:mc(),fragmentShader:`
+		`,blending:Rt,depthTest:!1,depthWrite:!1})}function Fd(){return new zi({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:Gi[_t]},outputEncoding:{value:Gi[_t]}},vertexShader:fc(),fragmentShader:`
 
 			precision mediump float;
 			precision mediump int;
@@ -2896,7 +2924,7 @@ void main() {
 
 			uniform samplerCube envMap;
 
-			${gc()}
+			${pc()}
 
 			void main() {
 
@@ -2905,7 +2933,7 @@ void main() {
 				gl_FragColor = linearToOutputTexel( gl_FragColor );
 
 			}
-		`,blending:Pt,depthTest:!1,depthWrite:!1})}function mc(){return`
+		`,blending:Rt,depthTest:!1,depthWrite:!1})}function fc(){return`
 
 		precision mediump float;
 		precision mediump int;
@@ -2962,7 +2990,7 @@ void main() {
 			gl_Position = vec4( position, 1.0 );
 
 		}
-	`}function gc(){return`
+	`}function pc(){return`
 
 		uniform int inputEncoding;
 		uniform int outputEncoding;
@@ -3042,42 +3070,44 @@ void main() {
 			return inputTexelToLinear( color );
 
 		}
-	`}function hx(s){let e=new WeakMap,t=null;function n(o){if(o&&o.isTexture&&o.isRenderTargetTexture===!1){let l=o.mapping,c=l===xs||l===ys,u=l===or||l===lr;if(c||u){if(e.has(o))return e.get(o).texture;{let h=o.image;if(c&&h&&h.height>0||u&&h&&i(h)){let d=s.getRenderTarget();t===null&&(t=new pc(s));let f=c?t.fromEquirectangular(o):t.fromCubemap(o);return e.set(o,f),s.setRenderTarget(d),o.addEventListener("dispose",r),f.texture}else return null}}}return o}function i(o){let l=0,c=6;for(let u=0;u<c;u++)o[u]!==void 0&&l++;return l===c}function r(o){let l=o.target;l.removeEventListener("dispose",r);let c=e.get(l);c!==void 0&&(e.delete(l),c.dispose())}function a(){e=new WeakMap,t!==null&&(t.dispose(),t=null)}return{get:n,dispose:a}}function dx(s){let e={};function t(n){if(e[n]!==void 0)return e[n];let i;switch(n){case"WEBGL_depth_texture":i=s.getExtension("WEBGL_depth_texture")||s.getExtension("MOZ_WEBGL_depth_texture")||s.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=s.getExtension("EXT_texture_filter_anisotropic")||s.getExtension("MOZ_EXT_texture_filter_anisotropic")||s.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=s.getExtension("WEBGL_compressed_texture_s3tc")||s.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||s.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=s.getExtension("WEBGL_compressed_texture_pvrtc")||s.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=s.getExtension(n)}return e[n]=i,i}return{has:function(n){return t(n)!==null},init:function(n){n.isWebGL2?t("EXT_color_buffer_float"):(t("WEBGL_depth_texture"),t("OES_texture_float"),t("OES_texture_half_float"),t("OES_texture_half_float_linear"),t("OES_standard_derivatives"),t("OES_element_index_uint"),t("OES_vertex_array_object"),t("ANGLE_instanced_arrays")),t("OES_texture_float_linear"),t("EXT_color_buffer_half_float")},get:function(n){let i=t(n);return i===null&&console.warn("THREE.WebGLRenderer: "+n+" extension not supported."),i}}}function fx(s,e,t,n){let i={},r=new WeakMap;function a(h){let d=h.target;d.index!==null&&e.remove(d.index);for(let p in d.attributes)e.remove(d.attributes[p]);d.removeEventListener("dispose",a),delete i[d.id];let f=r.get(d);f&&(e.remove(f),r.delete(d)),n.releaseStatesOfGeometry(d),d.isInstancedBufferGeometry===!0&&delete d._maxInstanceCount,t.memory.geometries--}function o(h,d){return i[d.id]===!0||(d.addEventListener("dispose",a),i[d.id]=!0,t.memory.geometries++),d}function l(h){let d=h.attributes;for(let p in d)e.update(d[p],34962);let f=h.morphAttributes;for(let p in f){let v=f[p];for(let x=0,g=v.length;x<g;x++)e.update(v[x],34962)}}function c(h){let d=[],f=h.index,p=h.attributes.position,v=0;if(f!==null){let m=f.array;v=f.version;for(let y=0,w=m.length;y<w;y+=3){let M=m[y+0],S=m[y+1],A=m[y+2];d.push(M,S,S,A,A,M)}}else{let m=p.array;v=p.version;for(let y=0,w=m.length/3-1;y<w;y+=3){let M=y+0,S=y+1,A=y+2;d.push(M,S,S,A,A,M)}}let x=new(Pd(d)>65535?Bs:Is)(d,1);x.version=v;let g=r.get(h);g&&e.remove(g),r.set(h,x)}function u(h){let d=r.get(h);if(d){let f=h.index;f!==null&&d.version<f.version&&c(h)}else c(h);return r.get(h)}return{get:o,update:l,getWireframeAttribute:u}}function px(s,e,t,n){let i=n.isWebGL2,r;function a(d){r=d}let o,l;function c(d){o=d.type,l=d.bytesPerElement}function u(d,f){s.drawElements(r,f,o,d*l),t.update(f,r,1)}function h(d,f,p){if(p===0)return;let v,x;if(i)v=s,x="drawElementsInstanced";else if(v=e.get("ANGLE_instanced_arrays"),x="drawElementsInstancedANGLE",v===null){console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");return}v[x](r,f,o,d*l,p),t.update(f,r,p)}this.setMode=a,this.setIndex=c,this.render=u,this.renderInstances=h}function mx(s){let e={geometries:0,textures:0},t={frame:0,calls:0,triangles:0,points:0,lines:0};function n(r,a,o){switch(t.calls++,a){case 4:t.triangles+=o*(r/3);break;case 1:t.lines+=o*(r/2);break;case 3:t.lines+=o*(r-1);break;case 2:t.lines+=o*r;break;case 0:t.points+=o*r;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",a);break}}function i(){t.frame++,t.calls=0,t.triangles=0,t.points=0,t.lines=0}return{memory:e,render:t,programs:null,autoReset:!0,reset:i,update:n}}function gx(s,e){return s[0]-e[0]}function vx(s,e){return Math.abs(e[1])-Math.abs(s[1])}function xx(s){let e={},t=new Float32Array(8),n=[];for(let 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I}function M(b,R){let I;for(let L=0,P=o.length;L<P;L++){let Z=o[L];if(Z.cacheKey===R){I=Z,++I.usedTimes;break}}return I===void 0&&(I=new _y(s,R,b,r),o.push(I)),I}function S(b){if(--b.usedTimes==0){let R=o.indexOf(b);o[R]=o[o.length-1],o.pop(),b.destroy()}}return{getParameters:m,getProgramCacheKey:w,getUniforms:y,acquireProgram:M,releaseProgram:S,programs:o}}function Sy(){let s=new WeakMap;function e(r){let a=s.get(r);return a===void 0&&(a={},s.set(r,a)),a}function t(r){s.delete(r)}function n(r,a,o){s.get(r)[a]=o}function i(){s=new WeakMap}return{get:e,remove:t,update:n,dispose:i}}function Cy(s,e){return s.groupOrder!==e.groupOrder?s.groupOrder-e.groupOrder:s.renderOrder!==e.renderOrder?s.renderOrder-e.renderOrder:s.program!==e.program?s.program.id-e.program.id:s.material.id!==e.material.id?s.material.id-e.material.id:s.z!==e.z?s.z-e.z:s.id-e.id}function rf(s,e){return s.groupOrder!==e.groupOrder?s.groupOrder-e.groupOrder:s.renderOrder!==e.renderOrder?s.renderOrder-e.renderOrder:s.z!==e.z?e.z-s.z:s.id-e.id}function sf(s){let e=[],t=0,n=[],i=[],r=[],a={id:-1};function o(){t=0,n.length=0,i.length=0,r.length=0}function l(f,p,v,x,g,m){let w=e[t],y=s.get(v);return w===void 0?(w={id:f.id,object:f,geometry:p,material:v,program:y.program||a,groupOrder:x,renderOrder:f.renderOrder,z:g,group:m},e[t]=w):(w.id=f.id,w.object=f,w.geometry=p,w.material=v,w.program=y.program||a,w.groupOrder=x,w.renderOrder=f.renderOrder,w.z=g,w.group=m),t++,w}function c(f,p,v,x,g,m){let w=l(f,p,v,x,g,m);v.transmission>0?i.push(w):v.transparent===!0?r.push(w):n.push(w)}function u(f,p,v,x,g,m){let w=l(f,p,v,x,g,m);v.transmission>0?i.unshift(w):v.transparent===!0?r.unshift(w):n.unshift(w)}function h(f,p){n.length>1&&n.sort(f||Cy),i.length>1&&i.sort(p||rf),r.length>1&&r.sort(p||rf)}function d(){for(let f=t,p=e.length;f<p;f++){let v=e[f];if(v.id===null)break;v.id=null,v.object=null,v.geometry=null,v.material=null,v.program=null,v.group=null}}return{opaque:n,transmissive:i,transparent:r,init:o,push:c,unshift:u,finish:d,sort:h}}function Ry(s){let e=new WeakMap;function t(i,r){let a;return e.has(i)===!1?(a=new sf(s),e.set(i,[a])):r>=e.get(i).length?(a=new sf(s),e.get(i).push(a)):a=e.get(i)[r],a}function n(){e=new WeakMap}return{get:t,dispose:n}}function Py(){let s={};return{get:function(e){if(s[e.id]!==void 0)return s[e.id];let t;switch(e.type){case"DirectionalLight":t={direction:new A,color:new ee};break;case"SpotLight":t={position:new A,direction:new A,color:new ee,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":t={position:new A,color:new ee,distance:0,decay:0};break;case"HemisphereLight":t={direction:new A,skyColor:new ee,groundColor:new ee};break;case"RectAreaLight":t={color:new ee,position:new A,halfWidth:new A,halfHeight:new A};break}return s[e.id]=t,t}}}function Dy(){let s={};return{get:function(e){if(s[e.id]!==void 0)return s[e.id];let t;switch(e.type){case"DirectionalLight":t={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new U};break;case"SpotLight":t={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new U};break;case"PointLight":t={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new U,shadowCameraNear:1,shadowCameraFar:1e3};break}return s[e.id]=t,t}}}var Ly=0;function Iy(s,e){return(e.castShadow?1:0)-(s.castShadow?1:0)}function By(s,e){let t=new Py,n=Dy(),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]};for(let u=0;u<9;u++)i.probe.push(new A);let r=new A,a=new ge,o=new ge;function l(u,h){let d=0,f=0,p=0;for(let I=0;I<9;I++)i.probe[I].set(0,0,0);let v=0,x=0,g=0,m=0,w=0,y=0,M=0,S=0;u.sort(Iy);let b=h!==!0?Math.PI:1;for(let I=0,L=u.length;I<L;I++){let P=u[I],Z=P.color,O=P.intensity,F=P.distance,z=P.shadow&&P.shadow.map?P.shadow.map.texture:null;if(P.isAmbientLight)d+=Z.r*O*b,f+=Z.g*O*b,p+=Z.b*O*b;else if(P.isLightProbe)for(let N=0;N<9;N++)i.probe[N].addScaledVector(P.sh.coefficients[N],O);else if(P.isDirectionalLight){let N=t.get(P);if(N.color.copy(P.color).multiplyScalar(P.intensity*b),P.castShadow){let G=P.shadow,ne=n.get(P);ne.shadowBias=G.bias,ne.shadowNormalBias=G.normalBias,ne.shadowRadius=G.radius,ne.shadowMapSize=G.mapSize,i.directionalShadow[v]=ne,i.directionalShadowMap[v]=z,i.directionalShadowMatrix[v]=P.shadow.matrix,y++}i.directional[v]=N,v++}else if(P.isSpotLight){let N=t.get(P);if(N.position.setFromMatrixPosition(P.matrixWorld),N.color.copy(Z).multiplyScalar(O*b),N.distance=F,N.coneCos=Math.cos(P.angle),N.penumbraCos=Math.cos(P.angle*(1-P.penumbra)),N.decay=P.decay,P.castShadow){let G=P.shadow,ne=n.get(P);ne.shadowBias=G.bias,ne.shadowNormalBias=G.normalBias,ne.shadowRadius=G.radius,ne.shadowMapSize=G.mapSize,i.spotShadow[g]=ne,i.spotShadowMap[g]=z,i.spotShadowMatrix[g]=P.shadow.matrix,S++}i.spot[g]=N,g++}else if(P.isRectAreaLight){let N=t.get(P);N.color.copy(Z).multiplyScalar(O),N.halfWidth.set(P.width*.5,0,0),N.halfHeight.set(0,P.height*.5,0),i.rectArea[m]=N,m++}else if(P.isPointLight){let N=t.get(P);if(N.color.copy(P.color).multiplyScalar(P.intensity*b),N.distance=P.distance,N.decay=P.decay,P.castShadow){let G=P.shadow,ne=n.get(P);ne.shadowBias=G.bias,ne.shadowNormalBias=G.normalBias,ne.shadowRadius=G.radius,ne.shadowMapSize=G.mapSize,ne.shadowCameraNear=G.camera.near,ne.shadowCameraFar=G.camera.far,i.pointShadow[x]=ne,i.pointShadowMap[x]=z,i.pointShadowMatrix[x]=P.shadow.matrix,M++}i.point[x]=N,x++}else if(P.isHemisphereLight){let N=t.get(P);N.skyColor.copy(P.color).multiplyScalar(O*b),N.groundColor.copy(P.groundColor).multiplyScalar(O*b),i.hemi[w]=N,w++}}m>0&&(e.isWebGL2||s.has("OES_texture_float_linear")===!0?(i.rectAreaLTC1=se.LTC_FLOAT_1,i.rectAreaLTC2=se.LTC_FLOAT_2):s.has("OES_texture_half_float_linear")===!0?(i.rectAreaLTC1=se.LTC_HALF_1,i.rectAreaLTC2=se.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),i.ambient[0]=d,i.ambient[1]=f,i.ambient[2]=p;let R=i.hash;(R.directionalLength!==v||R.pointLength!==x||R.spotLength!==g||R.rectAreaLength!==m||R.hemiLength!==w||R.numDirectionalShadows!==y||R.numPointShadows!==M||R.numSpotShadows!==S)&&(i.directional.length=v,i.spot.length=g,i.rectArea.length=m,i.point.length=x,i.hemi.length=w,i.directionalShadow.length=y,i.directionalShadowMap.length=y,i.pointShadow.length=M,i.pointShadowMap.length=M,i.spotShadow.length=S,i.spotShadowMap.length=S,i.directionalShadowMatrix.length=y,i.pointShadowMatrix.length=M,i.spotShadowMatrix.length=S,R.directionalLength=v,R.pointLength=x,R.spotLength=g,R.rectAreaLength=m,R.hemiLength=w,R.numDirectionalShadows=y,R.numPointShadows=M,R.numSpotShadows=S,i.version=Ly++)}function c(u,h){let d=0,f=0,p=0,v=0,x=0,g=h.matrixWorldInverse;for(let m=0,w=u.length;m<w;m++){let y=u[m];if(y.isDirectionalLight){let M=i.directional[d];M.direction.setFromMatrixPosition(y.matrixWorld),r.setFromMatrixPosition(y.target.matrixWorld),M.direction.sub(r),M.direction.transformDirection(g),d++}else if(y.isSpotLight){let M=i.spot[p];M.position.setFromMatrixPosition(y.matrixWorld),M.position.applyMatrix4(g),M.direction.setFromMatrixPosition(y.matrixWorld),r.setFromMatrixPosition(y.target.matrixWorld),M.direction.sub(r),M.direction.transformDirection(g),p++}else if(y.isRectAreaLight){let M=i.rectArea[v];M.position.setFromMatrixPosition(y.matrixWorld),M.position.applyMatrix4(g),o.identity(),a.copy(y.matrixWorld),a.premultiply(g),o.extractRotation(a),M.halfWidth.set(y.width*.5,0,0),M.halfHeight.set(0,y.height*.5,0),M.halfWidth.applyMatrix4(o),M.halfHeight.applyMatrix4(o),v++}else if(y.isPointLight){let M=i.point[f];M.position.setFromMatrixPosition(y.matrixWorld),M.position.applyMatrix4(g),f++}else if(y.isHemisphereLight){let M=i.hemi[x];M.direction.setFromMatrixPosition(y.matrixWorld),M.direction.transformDirection(g),M.direction.normalize(),x++}}}return{setup:l,setupView:c,state:i}}function af(s,e){let t=new By(s,e),n=[],i=[];function r(){n.length=0,i.length=0}function a(h){n.push(h)}function o(h){i.push(h)}function l(h){t.setup(n,h)}function c(h){t.setupView(n,h)}return{init:r,state:{lightsArray:n,shadowsArray:i,lights:t},setupLights:l,setupLightsView:c,pushLight:a,pushShadow:o}}function Fy(s,e){let t=new WeakMap;function n(r,a=0){let o;return t.has(r)===!1?(o=new af(s,e),t.set(r,[o])):a>=t.get(r).length?(o=new af(s,e),t.get(r).push(o)):o=t.get(r)[a],o}function i(){t=new WeakMap}return{get:n,dispose:i}}var ks=class extends ht{constructor(e){super();this.type="MeshDepthMaterial",this.depthPacking=Ss,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}};ks.prototype.isMeshDepthMaterial=!0;var Vs=class extends ht{constructor(e){super();this.type="MeshDistanceMaterial",this.referencePosition=new A,this.nearDistance=1,this.farDistance=1e3,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}};Vs.prototype.isMeshDistanceMaterial=!0;var Oy=`void main() {
+	gl_Position = vec4( position, 1.0 );
+}`,Uy=`uniform sampler2D shadow_pass;
 uniform vec2 resolution;
 uniform float radius;
-uniform float samples;
 #include <packing>
 void main() {
+	const float samples = float( VSM_SAMPLES );
 	float mean = 0.0;
 	float squared_mean = 0.0;
 	float uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );
@@ -3098,10 +3128,7 @@ void main() {
 	squared_mean = squared_mean / samples;
 	float std_dev = sqrt( squared_mean - mean * mean );
 	gl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );
-}`,Oy=`void main() {
-	gl_Position = vec4( position, 1.0 );
-}`;function cf(s,e,t){let n=new Sr,i=new z,r=new z,a=new je,o=new Gs({depthPacking:fd}),l=new ks,c={},u=t.maxTextureSize,h={0:Ye,1:Rn,2:Nt},d=new Qe({uniforms:{shadow_pass:{value:null},resolution:{value:new z},radius:{value:4},samples:{value:8}},vertexShader:Oy,fragmentShader:Fy}),f=d.clone();f.defines.HORIZONTAL_PASS=1;let p=new le;p.setAttribute("position",new de(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));let v=new ze(p,d),x=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=cl,this.render=function(w,M,S){if(x.enabled===!1||x.autoUpdate===!1&&x.needsUpdate===!1||w.length===0)return;let A=s.getRenderTarget(),C=s.getActiveCubeFace(),U=s.getActiveMipmapLevel(),R=s.state;R.setBlending(Pt),R.buffers.color.setClear(1,1,1,1),R.buffers.depth.setTest(!0),R.setScissorTest(!1);for(let P=0,q=w.length;P<q;P++){let F=w[P],O=F.shadow;if(O===void 0){console.warn("THREE.WebGLShadowMap:",F,"has no shadow.");continue}if(O.autoUpdate===!1&&O.needsUpdate===!1)continue;i.copy(O.mapSize);let V=O.getFrameExtents();if(i.multiply(V),r.copy(O.mapSize),(i.x>u||i.y>u)&&(i.x>u&&(r.x=Math.floor(u/V.x),i.x=r.x*V.x,O.mapSize.x=r.x),i.y>u&&(r.y=Math.floor(u/V.y),i.y=r.y*V.y,O.mapSize.y=r.y)),O.map===null&&!O.isPointLightShadow&&this.type===sr){let W={minFilter:ke,magFilter:ke,format:gt};O.map=new ut(i.x,i.y,W),O.map.texture.name=F.name+".shadowMap",O.mapPass=new ut(i.x,i.y,W),O.camera.updateProjectionMatrix()}if(O.map===null){let W={minFilter:mt,magFilter:mt,format:gt};O.map=new ut(i.x,i.y,W),O.map.texture.name=F.name+".shadowMap",O.camera.updateProjectionMatrix()}s.setRenderTarget(O.map),s.clear();let N=O.getViewportCount();for(let W=0;W<N;W++){let 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X(T,_,k){if(_.image.length!==6)return;oe(T,_),t.activeTexture(33984+k),t.bindTexture(34067,T.__webglTexture),s.pixelStorei(37440,_.flipY),s.pixelStorei(37441,_.premultiplyAlpha),s.pixelStorei(3317,_.unpackAlignment),s.pixelStorei(37443,0);let Q=_&&(_.isCompressedTexture||_.image[0].isCompressedTexture),re=_.image[0]&&_.image[0].isDataTexture,ue=[];for(let j=0;j<6;j++)!Q&&!re?ue[j]=x(_.image[j],!1,!0,c):ue[j]=re?_.image[j].image:_.image[j];let Ee=ue[0],be=g(Ee)||o,Pe=r.convert(_.format),we=r.convert(_.type),D=M(_.internalFormat,Pe,we);Ae(34067,_,be);let se;if(Q){for(let j=0;j<6;j++){se=ue[j].mipmaps;for(let ce=0;ce<se.length;ce++){let ve=se[ce];_.format!==gt&&_.format!==Et?Pe!==null?t.compressedTexImage2D(34069+j,ce,D,ve.width,ve.height,0,ve.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"):t.texImage2D(34069+j,ce,D,ve.width,ve.height,0,Pe,we,ve.data)}}T.__maxMipLevel=se.length-1}else{se=_.mipmaps;for(let 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36248;if(r===Dh)return 36249;if(r===xl||r===yl||r===wl||r===bl)if(a=e.get("WEBGL_compressed_texture_s3tc"),a!==null){if(r===xl)return a.COMPRESSED_RGB_S3TC_DXT1_EXT;if(r===yl)return a.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(r===wl)return a.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(r===bl)return a.COMPRESSED_RGBA_S3TC_DXT5_EXT}else return null;if(r===Al||r===Ml||r===El||r===_l)if(a=e.get("WEBGL_compressed_texture_pvrtc"),a!==null){if(r===Al)return a.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(r===Ml)return a.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(r===El)return a.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(r===_l)return a.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}else return null;if(r===Lh)return a=e.get("WEBGL_compressed_texture_etc1"),a!==null?a.COMPRESSED_RGB_ETC1_WEBGL:null;if((r===Tl||r===Sl)&&(a=e.get("WEBGL_compressed_texture_etc"),a!==null)){if(r===Tl)return a.COMPRESSED_RGB8_ETC2;if(r===Sl)return 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this._targetRay===null&&(this._targetRay=new _n,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new b,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new b),this._targetRay}getGripSpace(){return this._grip===null&&(this._grip=new _n,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new b,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new b),this._grip}dispatchEvent(e){return this._targetRay!==null&&this._targetRay.dispatchEvent(e),this._grip!==null&&this._grip.dispatchEvent(e),this._hand!==null&&this._hand.dispatchEvent(e),this}disconnect(e){return this.dispatchEvent({type:"disconnected",data:e}),this._targetRay!==null&&(this._targetRay.visible=!1),this._grip!==null&&(this._grip.visible=!1),this._hand!==null&&(this._hand.visible=!1),this}update(e,t,n){let i=null,r=null,a=null,o=this._targetRay,l=this._grip,c=this._hand;if(e&&t.session.visibilityState!=="visible-blurred")if(o!==null&&(i=t.getPose(e.targetRaySpace,n),i!==null&&(o.matrix.fromArray(i.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),i.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(i.linearVelocity)):o.hasLinearVelocity=!1,i.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(i.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(Hy))),c&&e.hand){a=!0;for(let v of e.hand.values()){let x=t.getJointPose(v,n);if(c.joints[v.jointName]===void 0){let m=new _n;m.matrixAutoUpdate=!1,m.visible=!1,c.joints[v.jointName]=m,c.add(m)}let g=c.joints[v.jointName];x!==null&&(g.matrix.fromArray(x.transform.matrix),g.matrix.decompose(g.position,g.rotation,g.scale),g.jointRadius=x.radius),g.visible=x!==null}let u=c.joints["index-finger-tip"],h=c.joints["thumb-tip"],d=u.position.distanceTo(h.position),f=.02,p=.005;c.inputState.pinching&&d>f+p?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!c.inputState.pinching&&d<=f-p&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else l!==null&&e.gripSpace&&(r=t.getPose(e.gripSpace,n),r!==null&&(l.matrix.fromArray(r.transform.matrix),l.matrix.decompose(l.position,l.rotation,l.scale),r.linearVelocity?(l.hasLinearVelocity=!0,l.linearVelocity.copy(r.linearVelocity)):l.hasLinearVelocity=!1,r.angularVelocity?(l.hasAngularVelocity=!0,l.angularVelocity.copy(r.angularVelocity)):l.hasAngularVelocity=!1));return o!==null&&(o.visible=i!==null),l!==null&&(l.visible=r!==null),c!==null&&(c.visible=a!==null),this}},hf=class extends Ht{constructor(e,t){super();let n=this,i=e.state,r=null,a=1,o=null,l="local-floor",c=null,u=null,h=null,d=null,f=null,p=!1,v=null,x=null,g=null,m=null,y=null,w=null,M=[],S=new Map,A=new nt;A.layers.enable(1),A.viewport=new je;let C=new nt;C.layers.enable(2),C.viewport=new je;let U=[A,C],R=new Qa;R.layers.enable(1),R.layers.enable(2);let P=null,q=null;this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(X){let $=M[X];return $===void 0&&($=new qa,M[X]=$),$.getTargetRaySpace()},this.getControllerGrip=function(X){let $=M[X];return $===void 0&&($=new qa,M[X]=$),$.getGripSpace()},this.getHand=function(X){let $=M[X];return $===void 0&&($=new qa,M[X]=$),$.getHandSpace()};function F(X){let $=S.get(X.inputSource);$&&$.dispatchEvent({type:X.type,data:X.inputSource})}function O(){S.forEach(function(X,$){X.disconnect($)}),S.clear(),P=null,q=null,i.bindXRFramebuffer(null),e.setRenderTarget(e.getRenderTarget()),h&&t.deleteFramebuffer(h),v&&t.deleteFramebuffer(v),x&&t.deleteRenderbuffer(x),g&&t.deleteRenderbuffer(g),h=null,v=null,x=null,g=null,f=null,d=null,u=null,r=null,Ce.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}this.setFramebufferScaleFactor=function(X){a=X,n.isPresenting===!0&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(X){l=X,n.isPresenting===!0&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return o},this.getBaseLayer=function(){return d!==null?d:f},this.getBinding=function(){return u},this.getFrame=function(){return m},this.getSession=function(){return r},this.setSession=function(X){return 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G=Y.get(E),J=d.state.lights,Ie=d.state.shadowsArray,Te=J.state.version,_e=k.getParameters(E,J.state,Ie,B,I),Ue=k.getProgramCacheKey(_e),Xe=G.programs;G.environment=E.isMeshStandardMaterial?B.environment:null,G.fog=B.fog,G.envMap=(E.isMeshStandardMaterial?ye:te).get(E.envMap||G.environment),Xe===void 0&&(E.addEventListener("dispose",Je),Xe=new Map,G.programs=Xe);let Ne=Xe.get(Ue);if(Ne!==void 0){if(G.currentProgram===Ne&&G.lightsStateVersion===Te)return Iu(E,_e),Ne}else _e.uniforms=k.getUniforms(E),E.onBuild(_e,v),E.onBeforeCompile(_e,v),Ne=k.acquireProgram(_e,Ue),Xe.set(Ue,Ne),G.uniforms=_e.uniforms;let We=G.uniforms;(!E.isShaderMaterial&&!E.isRawShaderMaterial||E.clipping===!0)&&(We.clippingPlanes=Ee.uniform),Iu(E,_e),G.needsLights=pm(E),G.lightsStateVersion=Te,G.needsLights&&(We.ambientLightColor.value=J.state.ambient,We.lightProbe.value=J.state.probe,We.directionalLights.value=J.state.directional,We.directionalLightShadows.value=J.state.directionalShadow,We.spotLights.value=J.state.spot,We.spotLightShadows.value=J.state.spotShadow,We.rectAreaLights.value=J.state.rectArea,We.ltc_1.value=J.state.rectAreaLTC1,We.ltc_2.value=J.state.rectAreaLTC2,We.pointLights.value=J.state.point,We.pointLightShadows.value=J.state.pointShadow,We.hemisphereLights.value=J.state.hemi,We.directionalShadowMap.value=J.state.directionalShadowMap,We.directionalShadowMatrix.value=J.state.directionalShadowMatrix,We.spotShadowMap.value=J.state.spotShadowMap,We.spotShadowMatrix.value=J.state.spotShadowMatrix,We.pointShadowMap.value=J.state.pointShadowMap,We.pointShadowMatrix.value=J.state.pointShadowMatrix);let 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Ct=E===M&&I.id===w;Ee.setState(I,E,Ct)}let pt=!1;I.version===Re.__version?(Re.needsLights&&Re.lightsStateVersion!==Mi.state.version||Re.outputEncoding!==Te||G.isInstancedMesh&&Re.instancing===!1||!G.isInstancedMesh&&Re.instancing===!0||G.isSkinnedMesh&&Re.skinning===!1||!G.isSkinnedMesh&&Re.skinning===!0||Re.envMap!==_e||I.fog&&Re.fog!==J||Re.numClippingPlanes!==void 0&&(Re.numClippingPlanes!==Ee.numPlanes||Re.numIntersection!==Ee.numIntersection)||Re.vertexAlphas!==Ue||Re.vertexTangents!==Xe||Re.morphTargets!==Ne||Re.morphNormals!==We)&&(pt=!0):(pt=!0,Re.__version=I.version);let Qn=Re.currentProgram;pt===!0&&(Qn=al(I,B,G));let cn=!1,Ei=!1,qn=!1,At=Qn.getUniforms(),bn=Re.uniforms;if(ge.useProgram(Qn.program)&&(cn=!0,Ei=!0,qn=!0),I.id!==w&&(w=I.id,Ei=!0),cn||M!==E){if(At.setValue(H,"projectionMatrix",E.projectionMatrix),fe.logarithmicDepthBuffer&&At.setValue(H,"logDepthBufFC",2/(Math.log(E.far+1)/Math.LN2)),M!==E&&(M=E,Ei=!0,qn=!0),I.isShaderMaterial||I.isMeshPhongMaterial||I.isMeshToonMaterial||I.isMeshStandardMaterial||I.envMap){let Ct=At.map.cameraPosition;Ct!==void 0&&Ct.setValue(H,X.setFromMatrixPosition(E.matrixWorld))}(I.isMeshPhongMaterial||I.isMeshToonMaterial||I.isMeshLambertMaterial||I.isMeshBasicMaterial||I.isMeshStandardMaterial||I.isShaderMaterial)&&At.setValue(H,"isOrthographic",E.isOrthographicCamera===!0),(I.isMeshPhongMaterial||I.isMeshToonMaterial||I.isMeshLambertMaterial||I.isMeshBasicMaterial||I.isMeshStandardMaterial||I.isShaderMaterial||I.isShadowMaterial||G.isSkinnedMesh)&&At.setValue(H,"viewMatrix",E.matrixWorldInverse)}if(G.isSkinnedMesh){At.setOptional(H,G,"bindMatrix"),At.setOptional(H,G,"bindMatrixInverse");let Ct=G.skeleton;Ct&&(fe.floatVertexTextures?(Ct.boneTexture===null&&Ct.computeBoneTexture(),At.setValue(H,"boneTexture",Ct.boneTexture,Z),At.setValue(H,"boneTextureSize",Ct.boneTextureSize)):At.setOptional(H,Ct,"boneMatrices"))}return(Ei||Re.receiveShadow!==G.receiveShadow)&&(Re.receiveShadow=G.receiveShadow,At.setValue(H,"receiveShadow",G.receiveShadow)),Ei&&(At.setValue(H,"toneMappingExposure",v.toneMappingExposure),Re.needsLights&&fm(bn,qn),J&&I.fog&&Q.refreshFogUniforms(bn,J),Q.refreshMaterialUniforms(bn,I,P,R,oe),ui.upload(H,Re.uniformsList,bn,Z)),I.isShaderMaterial&&I.uniformsNeedUpdate===!0&&(ui.upload(H,Re.uniformsList,bn,Z),I.uniformsNeedUpdate=!1),I.isSpriteMaterial&&At.setValue(H,"center",G.center),At.setValue(H,"modelViewMatrix",G.modelViewMatrix),At.setValue(H,"normalMatrix",G.normalMatrix),At.setValue(H,"modelMatrix",G.matrixWorld),Qn}function 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Ue=Y.get(E).__webglFramebuffer;E.isWebGLCubeRenderTarget?(G=Ue[B],J=!0):E.isWebGLMultisampleRenderTarget?G=Y.get(E).__webglMultisampledFramebuffer:G=Ue,S.copy(E.viewport),A.copy(E.scissor),C=E.scissorTest}else S.copy(O).multiplyScalar(P).floor(),A.copy(V).multiplyScalar(P).floor(),C=N;if(ge.bindFramebuffer(36160,G)&&fe.drawBuffers){let _e=!1;if(E)if(E.isWebGLMultipleRenderTargets){let Ue=E.texture;if(W.length!==Ue.length||W[0]!==36064){for(let Xe=0,Ne=Ue.length;Xe<Ne;Xe++)W[Xe]=36064+Xe;W.length=Ue.length,_e=!0}}else(W.length!==1||W[0]!==36064)&&(W[0]=36064,W.length=1,_e=!0);else(W.length!==1||W[0]!==1029)&&(W[0]=1029,W.length=1,_e=!0);_e&&(fe.isWebGL2?H.drawBuffers(W):Se.get("WEBGL_draw_buffers").drawBuffersWEBGL(W))}if(ge.viewport(S),ge.scissor(A),ge.setScissorTest(C),J){let _e=Y.get(E.texture);H.framebufferTexture2D(36160,36064,34069+B,_e.__webglTexture,I)}else if(Ie){let 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THREE.DataTexture3D and THREE.DataTexture2DArray.");return}H.pixelStorei(37440,G.flipY),H.pixelStorei(37441,G.premultiplyAlpha),H.pixelStorei(3317,G.unpackAlignment);let We=H.getParameter(3314),Re=H.getParameter(32878),Mi=H.getParameter(3316),pt=H.getParameter(3315),Qn=H.getParameter(32877),cn=I.isCompressedTexture?I.mipmaps[0]:I.image;H.pixelStorei(3314,cn.width),H.pixelStorei(32878,cn.height),H.pixelStorei(3316,E.min.x),H.pixelStorei(3315,E.min.y),H.pixelStorei(32877,E.min.z),I.isDataTexture||I.isDataTexture3D?H.texSubImage3D(Ne,J,B.x,B.y,B.z,Ie,Te,_e,Ue,Xe,cn.data):I.isCompressedTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),H.compressedTexSubImage3D(Ne,J,B.x,B.y,B.z,Ie,Te,_e,Ue,cn.data)):H.texSubImage3D(Ne,J,B.x,B.y,B.z,Ie,Te,_e,Ue,Xe,cn),H.pixelStorei(3314,We),H.pixelStorei(32878,Re),H.pixelStorei(3316,Mi),H.pixelStorei(3315,pt),H.pixelStorei(32877,Qn),J===0&&G.generateMipmaps&&H.generateMipmap(Ne),ge.unbindTexture()},this.initTexture=function(E){Z.setTexture2D(E,0),ge.unbindTexture()},this.resetState=function(){g=0,m=0,y=null,ge.reset(),ce.reset()},typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}var Vs=class extends qe{};Vs.prototype.isWebGL1Renderer=!0;var Br=class{constructor(e,t=25e-5){this.name="",this.color=new K(e),this.density=t}clone(){return new Br(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}};Br.prototype.isFogExp2=!0;var Fr=class{constructor(e,t=1,n=1e3){this.name="",this.color=new K(e),this.near=t,this.far=n}clone(){return new Fr(this.color,this.near,this.far)}toJSON(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}};Fr.prototype.isFog=!0;var kt=class extends De{constructor(){super();this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.autoUpdate=e.autoUpdate,this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){let t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),t}};kt.prototype.isScene=!0;var hi=class{constructor(e,t){this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=hr,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=jt()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let i=0,r=this.stride;i<r;i++)this.array[e+i]=t.array[n+i];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){e.arrayBuffers===void 0&&(e.arrayBuffers={}),this.array.buffer._uuid===void 0&&(this.array.buffer._uuid=jt()),e.arrayBuffers[this.array.buffer._uuid]===void 0&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);let t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(t,this.stride);return n.setUsage(this.usage),n}onUpload(e){return this.onUploadCallback=e,this}toJSON(e){return e.arrayBuffers===void 0&&(e.arrayBuffers={}),this.array.buffer._uuid===void 0&&(this.array.buffer._uuid=jt()),e.arrayBuffers[this.array.buffer._uuid]===void 0&&(e.arrayBuffers[this.array.buffer._uuid]=Array.prototype.slice.call(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}};hi.prototype.isInterleavedBuffer=!0;var dt=new b,zn=class{constructor(e,t,n,i=!1){this.name="",this.data=e,this.itemSize=t,this.offset=n,this.normalized=i===!0}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,n=this.data.count;t<n;t++)dt.x=this.getX(t),dt.y=this.getY(t),dt.z=this.getZ(t),dt.applyMatrix4(e),this.setXYZ(t,dt.x,dt.y,dt.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)dt.x=this.getX(t),dt.y=this.getY(t),dt.z=this.getZ(t),dt.applyNormalMatrix(e),this.setXYZ(t,dt.x,dt.y,dt.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)dt.x=this.getX(t),dt.y=this.getY(t),dt.z=this.getZ(t),dt.transformDirection(e),this.setXYZ(t,dt.x,dt.y,dt.z);return this}setX(e,t){return this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){return this.data.array[e*this.data.stride+this.offset]}getY(e){return this.data.array[e*this.data.stride+this.offset+1]}getZ(e){return this.data.array[e*this.data.stride+this.offset+2]}getW(e){return this.data.array[e*this.data.stride+this.offset+3]}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=n,this}setXYZ(e,t,n,i){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=i,this}setXYZW(e,t,n,i,r){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=i,this.data.array[e+3]=r,this}clone(e){if(e===void 0){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");let t=[];for(let n=0;n<this.count;n++){let i=n*this.data.stride+this.offset;for(let r=0;r<this.itemSize;r++)t.push(this.data.array[i+r])}return new de(new this.array.constructor(t),this.itemSize,this.normalized)}else return e.interleavedBuffers===void 0&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===void 0&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new zn(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(e===void 0){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");let t=[];for(let n=0;n<this.count;n++){let i=n*this.data.stride+this.offset;for(let r=0;r<this.itemSize;r++)t.push(this.data.array[i+r])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}else return e.interleavedBuffers===void 0&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===void 0&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}};zn.prototype.isInterleavedBufferAttribute=!0;var ki=class extends at{constructor(e){super();this.type="SpriteMaterial",this.color=new K(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this}};ki.prototype.isSpriteMaterial=!0;var Or,Ws=new b,Ur=new b,Nr=new b,Hr=new z,Ys=new z,df=new me,Za=new b,js=new b,Ja=new b,ff=new z,yc=new z,pf=new z,Vi=class extends De{constructor(e){super();if(this.type="Sprite",Or===void 0){Or=new le;let t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),n=new hi(t,5);Or.setIndex([0,1,2,0,2,3]),Or.setAttribute("position",new zn(n,3,0,!1)),Or.setAttribute("uv",new zn(n,2,3,!1))}this.geometry=Or,this.material=e!==void 0?e:new ki,this.center=new z(.5,.5)}raycast(e,t){e.camera===null&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Ur.setFromMatrixScale(this.matrixWorld),df.copy(e.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(e.camera.matrixWorldInverse,this.matrixWorld),Nr.setFromMatrixPosition(this.modelViewMatrix),e.camera.isPerspectiveCamera&&this.material.sizeAttenuation===!1&&Ur.multiplyScalar(-Nr.z);let n=this.material.rotation,i,r;n!==0&&(r=Math.cos(n),i=Math.sin(n));let a=this.center;Ka(Za.set(-.5,-.5,0),Nr,a,Ur,i,r),Ka(js.set(.5,-.5,0),Nr,a,Ur,i,r),Ka(Ja.set(.5,.5,0),Nr,a,Ur,i,r),ff.set(0,0),yc.set(1,0),pf.set(1,1);let o=e.ray.intersectTriangle(Za,js,Ja,!1,Ws);if(o===null&&(Ka(js.set(-.5,.5,0),Nr,a,Ur,i,r),yc.set(0,1),o=e.ray.intersectTriangle(Za,Ja,js,!1,Ws),o===null))return;let l=e.ray.origin.distanceTo(Ws);l<e.near||l>e.far||t.push({distance:l,point:Ws.clone(),uv:st.getUV(Ws,Za,js,Ja,ff,yc,pf,new z),face:null,object:this})}copy(e){return super.copy(e),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};Vi.prototype.isSprite=!0;function Ka(s,e,t,n,i,r){Hr.subVectors(s,t).addScalar(.5).multiply(n),i!==void 0?(Ys.x=r*Hr.x-i*Hr.y,Ys.y=i*Hr.x+r*Hr.y):Ys.copy(Hr),s.copy(e),s.x+=Ys.x,s.y+=Ys.y,s.applyMatrix4(df)}var $a=new b,mf=new b,zr=class extends De{constructor(){super();this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);let t=e.levels;for(let n=0,i=t.length;n<i;n++){let r=t[n];this.addLevel(r.object.clone(),r.distance)}return this.autoUpdate=e.autoUpdate,this}addLevel(e,t=0){t=Math.abs(t);let n=this.levels,i;for(i=0;i<n.length&&!(t<n[i].distance);i++);return n.splice(i,0,{distance:t,object:e}),this.add(e),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(e){let t=this.levels;if(t.length>0){let n,i;for(n=1,i=t.length;n<i&&!(e<t[n].distance);n++);return t[n-1].object}return null}raycast(e,t){if(this.levels.length>0){$a.setFromMatrixPosition(this.matrixWorld);let i=e.ray.origin.distanceTo($a);this.getObjectForDistance(i).raycast(e,t)}}update(e){let t=this.levels;if(t.length>1){$a.setFromMatrixPosition(e.matrixWorld),mf.setFromMatrixPosition(this.matrixWorld);let n=$a.distanceTo(mf)/e.zoom;t[0].object.visible=!0;let i,r;for(i=1,r=t.length;i<r&&n>=t[i].distance;i++)t[i-1].object.visible=!1,t[i].object.visible=!0;for(this._currentLevel=i-1;i<r;i++)t[i].object.visible=!1}}toJSON(e){let t=super.toJSON(e);this.autoUpdate===!1&&(t.object.autoUpdate=!1),t.object.levels=[];let n=this.levels;for(let i=0,r=n.length;i<r;i++){let a=n[i];t.object.levels.push({object:a.object.uuid,distance:a.distance})}return t}},gf=new b,vf=new je,xf=new je,ky=new b,yf=new me,Xs=class extends ze{constructor(e,t){super(e,t);this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new me,this.bindMatrixInverse=new me}copy(e){return super.copy(e),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,this}bind(e,t){this.skeleton=e,t===void 0&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){let e=new je,t=this.geometry.attributes.skinWeight;for(let n=0,i=t.count;n<i;n++){e.x=t.getX(n),e.y=t.getY(n),e.z=t.getZ(n),e.w=t.getW(n);let r=1/e.manhattanLength();r!==1/0?e.multiplyScalar(r):e.set(1,0,0,0),t.setXYZW(n,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),this.bindMode==="attached"?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode==="detached"?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}boneTransform(e,t){let n=this.skeleton,i=this.geometry;vf.fromBufferAttribute(i.attributes.skinIndex,e),xf.fromBufferAttribute(i.attributes.skinWeight,e),gf.fromBufferAttribute(i.attributes.position,e).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let r=0;r<4;r++){let a=xf.getComponent(r);if(a!==0){let o=vf.getComponent(r);yf.multiplyMatrices(n.bones[o].matrixWorld,n.boneInverses[o]),t.addScaledVector(ky.copy(gf).applyMatrix4(yf),a)}}return t.applyMatrix4(this.bindMatrixInverse)}};Xs.prototype.isSkinnedMesh=!0;var Qs=class extends De{constructor(){super();this.type="Bone"}};Qs.prototype.isBone=!0;var Gn=class extends xt{constructor(e=null,t=1,n=1,i,r,a,o,l,c=mt,u=mt,h,d){super(null,a,o,l,c,u,i,r,h,d);this.image={data:e,width:t,height:n},this.magFilter=c,this.minFilter=u,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}};Gn.prototype.isDataTexture=!0;var wf=new me,Vy=new me,qs=class{constructor(e=[],t=[]){this.uuid=jt(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){let e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(e.length*16),t.length===0)this.calculateInverses();else if(e.length!==t.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let n=0,i=this.bones.length;n<i;n++)this.boneInverses.push(new me)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){let n=new me;this.bones[e]&&n.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(n)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){let n=this.bones[e];n&&n.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){let n=this.bones[e];n&&(n.parent&&n.parent.isBone?(n.matrix.copy(n.parent.matrixWorld).invert(),n.matrix.multiply(n.matrixWorld)):n.matrix.copy(n.matrixWorld),n.matrix.decompose(n.position,n.quaternion,n.scale))}}update(){let e=this.bones,t=this.boneInverses,n=this.boneMatrices,i=this.boneTexture;for(let r=0,a=e.length;r<a;r++){let o=e[r]?e[r].matrixWorld:Vy;wf.multiplyMatrices(o,t[r]),wf.toArray(n,r*16)}i!==null&&(i.needsUpdate=!0)}clone(){return new qs(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(this.bones.length*4);e=gd(e),e=Math.max(e,4);let t=new Float32Array(e*e*4);t.set(this.boneMatrices);let n=new Gn(t,e,e,gt,An);return this.boneMatrices=t,this.boneTexture=n,this.boneTextureSize=e,this}getBoneByName(e){for(let t=0,n=this.bones.length;t<n;t++){let i=this.bones[t];if(i.name===e)return i}}dispose(){this.boneTexture!==null&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,i=e.bones.length;n<i;n++){let r=e.bones[n],a=t[r];a===void 0&&(console.warn("THREE.Skeleton: No bone found with UUID:",r),a=new Qs),this.bones.push(a),this.boneInverses.push(new me().fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){let e={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;let t=this.bones,n=this.boneInverses;for(let i=0,r=t.length;i<r;i++){let a=t[i];e.bones.push(a.uuid);let o=n[i];e.boneInverses.push(o.toArray())}return e}},di=class extends de{constructor(e,t,n,i=1){typeof n=="number"&&(i=n,n=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument."));super(e,t,n);this.meshPerAttribute=i}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){let e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}};di.prototype.isInstancedBufferAttribute=!0;var bf=new me,Af=new me,eo=[],Zs=new ze,to=class extends ze{constructor(e,t,n){super(e,t);this.instanceMatrix=new di(new Float32Array(n*16),16),this.instanceColor=null,this.count=n,this.frustumCulled=!1}copy(e){return super.copy(e),this.instanceMatrix.copy(e.instanceMatrix),e.instanceColor!==null&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,this}getColorAt(e,t){t.fromArray(this.instanceColor.array,e*3)}getMatrixAt(e,t){t.fromArray(this.instanceMatrix.array,e*16)}raycast(e,t){let n=this.matrixWorld,i=this.count;if(Zs.geometry=this.geometry,Zs.material=this.material,Zs.material!==void 0)for(let r=0;r<i;r++){this.getMatrixAt(r,bf),Af.multiplyMatrices(n,bf),Zs.matrixWorld=Af,Zs.raycast(e,eo);for(let a=0,o=eo.length;a<o;a++){let l=eo[a];l.instanceId=r,l.object=this,t.push(l)}eo.length=0}}setColorAt(e,t){this.instanceColor===null&&(this.instanceColor=new di(new Float32Array(this.instanceMatrix.count*3),3)),t.toArray(this.instanceColor.array,e*3)}setMatrixAt(e,t){t.toArray(this.instanceMatrix.array,e*16)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}};to.prototype.isInstancedMesh=!0;var Ze=class extends at{constructor(e){super();this.type="LineBasicMaterial",this.color=new K(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this}};Ze.prototype.isLineBasicMaterial=!0;var Mf=new b,Ef=new b,_f=new me,wc=new Fn,no=new In,Vt=class extends De{constructor(e=new le,t=new Ze){super();this.type="Line",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e){return super.copy(e),this.material=e.material,this.geometry=e.geometry,this}computeLineDistances(){let e=this.geometry;if(e.isBufferGeometry)if(e.index===null){let t=e.attributes.position,n=[0];for(let i=1,r=t.count;i<r;i++)Mf.fromBufferAttribute(t,i-1),Ef.fromBufferAttribute(t,i),n[i]=n[i-1],n[i]+=Mf.distanceTo(Ef);e.setAttribute("lineDistance",new ae(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}raycast(e,t){let n=this.geometry,i=this.matrixWorld,r=e.params.Line.threshold,a=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),no.copy(n.boundingSphere),no.applyMatrix4(i),no.radius+=r,e.ray.intersectsSphere(no)===!1)return;_f.copy(i).invert(),wc.copy(e.ray).applyMatrix4(_f);let o=r/((this.scale.x+this.scale.y+this.scale.z)/3),l=o*o,c=new b,u=new b,h=new b,d=new b,f=this.isLineSegments?2:1;if(n.isBufferGeometry){let p=n.index,x=n.attributes.position;if(p!==null){let g=Math.max(0,a.start),m=Math.min(p.count,a.start+a.count);for(let y=g,w=m-1;y<w;y+=f){let M=p.getX(y),S=p.getX(y+1);if(c.fromBufferAttribute(x,M),u.fromBufferAttribute(x,S),wc.distanceSqToSegment(c,u,d,h)>l)continue;d.applyMatrix4(this.matrixWorld);let C=e.ray.origin.distanceTo(d);C<e.near||C>e.far||t.push({distance:C,point:h.clone().applyMatrix4(this.matrixWorld),index:y,face:null,faceIndex:null,object:this})}}else{let g=Math.max(0,a.start),m=Math.min(x.count,a.start+a.count);for(let y=g,w=m-1;y<w;y+=f){if(c.fromBufferAttribute(x,y),u.fromBufferAttribute(x,y+1),wc.distanceSqToSegment(c,u,d,h)>l)continue;d.applyMatrix4(this.matrixWorld);let S=e.ray.origin.distanceTo(d);S<e.near||S>e.far||t.push({distance:S,point:h.clone().applyMatrix4(this.matrixWorld),index:y,face:null,faceIndex:null,object:this})}}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){let e=this.geometry;if(e.isBufferGeometry){let t=e.morphAttributes,n=Object.keys(t);if(n.length>0){let i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let r=0,a=i.length;r<a;r++){let o=i[r].name||String(r);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=r}}}}else{let t=e.morphTargets;t!==void 0&&t.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. 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n=(1+Math.sqrt(5))/2,i=1/n,r=[-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i],a=[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9];super(r,a,e,t);this.type="DodecahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new Wr(e.radius,e.detail)}},oo=new b,lo=new b,Ec=new b,co=new st,uo=class extends le{constructor(e,t){super();if(this.type="EdgesGeometry",this.parameters={thresholdAngle:t},t=t!==void 0?t:1,e.isGeometry===!0){console.error("THREE.EdgesGeometry no longer supports THREE.Geometry. 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this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t){let n=this.getLengths(),i=0,r=n.length,a;t?a=t:a=e*n[r-1];let o=0,l=r-1,c;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),c=n[i]-a,c<0)o=i+1;else if(c>0)l=i-1;else{l=i;break}if(i=l,n[i]===a)return i/(r-1);let u=n[i],d=n[i+1]-u,f=(a-u)/d;return(i+f)/(r-1)}getTangent(e,t){let n=1e-4,i=e-n,r=e+n;i<0&&(i=0),r>1&&(r=1);let a=this.getPoint(i),o=this.getPoint(r),l=t||(a.isVector2?new z:new b);return l.copy(o).sub(a).normalize(),l}getTangentAt(e,t){let n=this.getUtoTmapping(e);return this.getTangent(n,t)}computeFrenetFrames(e,t){let n=new b,i=[],r=[],a=[],o=new b,l=new me;for(let f=0;f<=e;f++){let p=f/e;i[f]=this.getTangentAt(p,new b),i[f].normalize()}r[0]=new b,a[0]=new b;let c=Number.MAX_VALUE,u=Math.abs(i[0].x),h=Math.abs(i[0].y),d=Math.abs(i[0].z);u<=c&&(c=u,n.set(1,0,0)),h<=c&&(c=h,n.set(0,1,0)),d<=c&&n.set(0,0,1),o.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],o),a[0].crossVectors(i[0],r[0]);for(let f=1;f<=e;f++){if(r[f]=r[f-1].clone(),a[f]=a[f-1].clone(),o.crossVectors(i[f-1],i[f]),o.length()>Number.EPSILON){o.normalize();let p=Math.acos(Dt(i[f-1].dot(i[f]),-1,1));r[f].applyMatrix4(l.makeRotationAxis(o,p))}a[f].crossVectors(i[f],r[f])}if(t===!0){let f=Math.acos(Dt(r[0].dot(r[e]),-1,1));f/=e,i[0].dot(o.crossVectors(r[0],r[e]))>0&&(f=-f);for(let p=1;p<=e;p++)r[p].applyMatrix4(l.makeRotationAxis(i[p],f*p)),a[p].crossVectors(i[p],r[p])}return{tangents:i,normals:r,binormals:a}}clone(){return new this.constructor().copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){let e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}},Yr=class extends Wt{constructor(e=0,t=0,n=1,i=1,r=0,a=Math.PI*2,o=!1,l=0){super();this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=a,this.aClockwise=o,this.aRotation=l}getPoint(e,t){let n=t||new z,i=Math.PI*2,r=this.aEndAngle-this.aStartAngle,a=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(a?r=0:r=i),this.aClockwise===!0&&!a&&(r===i?r=-i:r=r-i);let o=this.aStartAngle+e*r,l=this.aX+this.xRadius*Math.cos(o),c=this.aY+this.yRadius*Math.sin(o);if(this.aRotation!==0){let u=Math.cos(this.aRotation),h=Math.sin(this.aRotation),d=l-this.aX,f=c-this.aY;l=d*u-f*h+this.aX,c=d*h+f*u+this.aY}return n.set(l,c)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){let e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}};Yr.prototype.isEllipseCurve=!0;var ho=class extends Yr{constructor(e,t,n,i,r,a){super(e,t,n,n,i,r,a);this.type="ArcCurve"}};ho.prototype.isArcCurve=!0;function _c(){let s=0,e=0,t=0,n=0;function i(r,a,o,l){s=r,e=o,t=-3*r+3*a-2*o-l,n=2*r-2*a+o+l}return{initCatmullRom:function(r,a,o,l,c){i(a,o,c*(o-r),c*(l-a))},initNonuniformCatmullRom:function(r,a,o,l,c,u,h){let d=(a-r)/c-(o-r)/(c+u)+(o-a)/u,f=(o-a)/u-(l-a)/(u+h)+(l-o)/h;d*=u,f*=u,i(a,o,d,f)},calc:function(r){let a=r*r,o=a*r;return s+e*r+t*a+n*o}}}var fo=new b,Tc=new _c,Sc=new _c,Cc=new _c,po=class extends Wt{constructor(e=[],t=!1,n="centripetal",i=.5){super();this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=n,this.tension=i}getPoint(e,t=new b){let n=t,i=this.points,r=i.length,a=(r-(this.closed?0:1))*e,o=Math.floor(a),l=a-o;this.closed?o+=o>0?0:(Math.floor(Math.abs(o)/r)+1)*r:l===0&&o===r-1&&(o=r-2,l=1);let c,u;this.closed||o>0?c=i[(o-1)%r]:(fo.subVectors(i[0],i[1]).add(i[0]),c=fo);let h=i[o%r],d=i[(o+1)%r];if(this.closed||o+2<r?u=i[(o+2)%r]:(fo.subVectors(i[r-1],i[r-2]).add(i[r-1]),u=fo),this.curveType==="centripetal"||this.curveType==="chordal"){let f=this.curveType==="chordal"?.5:.25,p=Math.pow(c.distanceToSquared(h),f),v=Math.pow(h.distanceToSquared(d),f),x=Math.pow(d.distanceToSquared(u),f);v<1e-4&&(v=1),p<1e-4&&(p=v),x<1e-4&&(x=v),Tc.initNonuniformCatmullRom(c.x,h.x,d.x,u.x,p,v,x),Sc.initNonuniformCatmullRom(c.y,h.y,d.y,u.y,p,v,x),Cc.initNonuniformCatmullRom(c.z,h.z,d.z,u.z,p,v,x)}else this.curveType==="catmullrom"&&(Tc.initCatmullRom(c.x,h.x,d.x,u.x,this.tension),Sc.initCatmullRom(c.y,h.y,d.y,u.y,this.tension),Cc.initCatmullRom(c.z,h.z,d.z,u.z,this.tension));return n.set(Tc.calc(l),Sc.calc(l),Cc.calc(l)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let i=e.points[t];this.points.push(i.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){let e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){let i=this.points[t];e.points.push(i.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let i=e.points[t];this.points.push(new b().fromArray(i))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}};po.prototype.isCatmullRomCurve3=!0;function Rf(s,e,t,n,i){let r=(n-e)*.5,a=(i-t)*.5,o=s*s,l=s*o;return(2*t-2*n+r+a)*l+(-3*t+3*n-2*r-a)*o+r*s+t}function Wy(s,e){let t=1-s;return t*t*e}function Yy(s,e){return 2*(1-s)*s*e}function jy(s,e){return s*s*e}function Js(s,e,t,n){return Wy(s,e)+Yy(s,t)+jy(s,n)}function Xy(s,e){let t=1-s;return t*t*t*e}function Qy(s,e){let t=1-s;return 3*t*t*s*e}function qy(s,e){return 3*(1-s)*s*s*e}function Zy(s,e){return s*s*s*e}function Ks(s,e,t,n,i){return Xy(s,e)+Qy(s,t)+qy(s,n)+Zy(s,i)}var $s=class extends Wt{constructor(e=new z,t=new z,n=new z,i=new z){super();this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=n,this.v3=i}getPoint(e,t=new z){let n=t,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(Ks(e,i.x,r.x,a.x,o.x),Ks(e,i.y,r.y,a.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}};$s.prototype.isCubicBezierCurve=!0;var mo=class extends Wt{constructor(e=new b,t=new b,n=new b,i=new b){super();this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=n,this.v3=i}getPoint(e,t=new b){let n=t,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(Ks(e,i.x,r.x,a.x,o.x),Ks(e,i.y,r.y,a.y,o.y),Ks(e,i.z,r.z,a.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}};mo.prototype.isCubicBezierCurve3=!0;var jr=class extends Wt{constructor(e=new z,t=new z){super();this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new z){let n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t){let n=t||new z;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}};jr.prototype.isLineCurve=!0;var Pc=class extends Wt{constructor(e=new b,t=new b){super();this.type="LineCurve3",this.isLineCurve3=!0,this.v1=e,this.v2=t}getPoint(e,t=new b){let n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},ea=class extends Wt{constructor(e=new z,t=new z,n=new z){super();this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new z){let n=t,i=this.v0,r=this.v1,a=this.v2;return n.set(Js(e,i.x,r.x,a.x),Js(e,i.y,r.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}};ea.prototype.isQuadraticBezierCurve=!0;var go=class extends Wt{constructor(e=new b,t=new b,n=new b){super();this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new b){let n=t,i=this.v0,r=this.v1,a=this.v2;return n.set(Js(e,i.x,r.x,a.x),Js(e,i.y,r.y,a.y),Js(e,i.z,r.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}};go.prototype.isQuadraticBezierCurve3=!0;var ta=class extends Wt{constructor(e=[]){super();this.type="SplineCurve",this.points=e}getPoint(e,t=new z){let 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i=[],r=[],a=[],o=[],l=1e-5,c=new b,u=new b,h=new b,d=new b,f=new b;e.length<3&&console.error("THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.");let p=t+1;for(let v=0;v<=n;v++){let x=v/n;for(let g=0;g<=t;g++){let m=g/t;e(m,x,u),r.push(u.x,u.y,u.z),m-l>=0?(e(m-l,x,h),d.subVectors(u,h)):(e(m+l,x,h),d.subVectors(h,u)),x-l>=0?(e(m,x-l,h),f.subVectors(u,h)):(e(m,x+l,h),f.subVectors(h,u)),c.crossVectors(d,f).normalize(),a.push(c.x,c.y,c.z),o.push(m,x)}}for(let v=0;v<n;v++)for(let x=0;x<t;x++){let g=v*p+x,m=v*p+x+1,y=(v+1)*p+x+1,w=(v+1)*p+x;i.push(g,m,w),i.push(m,y,w)}this.setIndex(i),this.setAttribute("position",new ae(r,3)),this.setAttribute("normal",new ae(a,3)),this.setAttribute("uv",new ae(o,2))}},mi=class extends le{constructor(e=.5,t=1,n=8,i=1,r=0,a=Math.PI*2){super();this.type="RingGeometry",this.parameters={innerRadius:e,outerRadius:t,thetaSegments:n,phiSegments:i,thetaStart:r,thetaLength:a},n=Math.max(3,n),i=Math.max(1,i);let o=[],l=[],c=[],u=[],h=e,d=(t-e)/i,f=new b,p=new z;for(let v=0;v<=i;v++){for(let x=0;x<=n;x++){let g=r+x/n*a;f.x=h*Math.cos(g),f.y=h*Math.sin(g),l.push(f.x,f.y,f.z),c.push(0,0,1),p.x=(f.x/t+1)/2,p.y=(f.y/t+1)/2,u.push(p.x,p.y)}h+=d}for(let v=0;v<i;v++){let x=v*(n+1);for(let g=0;g<n;g++){let m=g+x,y=m,w=m+n+1,M=m+n+2,S=m+1;o.push(y,w,S),o.push(w,M,S)}}this.setIndex(o),this.setAttribute("position",new ae(l,3)),this.setAttribute("normal",new ae(c,3)),this.setAttribute("uv",new ae(u,2))}static fromJSON(e){return new mi(e.innerRadius,e.outerRadius,e.thetaSegments,e.phiSegments,e.thetaStart,e.thetaLength)}},Yi=class extends le{constructor(e,t=12){super();this.type="ShapeGeometry",this.parameters={shapes:e,curveSegments:t};let n=[],i=[],r=[],a=[],o=0,l=0;if(Array.isArray(e)===!1)c(e);else for(let u=0;u<e.length;u++)c(e[u]),this.addGroup(o,l,u),o+=l,l=0;this.setIndex(n),this.setAttribute("position",new ae(i,3)),this.setAttribute("normal",new ae(r,3)),this.setAttribute("uv",new ae(a,2));function c(u){let h=i.length/3,d=u.extractPoints(t),f=d.shape,p=d.holes;gn.isClockWise(f)===!1&&(f=f.reverse());for(let x=0,g=p.length;x<g;x++){let m=p[x];gn.isClockWise(m)===!0&&(p[x]=m.reverse())}let v=gn.triangulateShape(f,p);for(let x=0,g=p.length;x<g;x++){let m=p[x];f=f.concat(m)}for(let x=0,g=f.length;x<g;x++){let m=f[x];i.push(m.x,m.y,0),r.push(0,0,1),a.push(m.x,m.y)}for(let x=0,g=v.length;x<g;x++){let m=v[x],y=m[0]+h,w=m[1]+h,M=m[2]+h;n.push(y,w,M),l+=3}}}toJSON(){let e=super.toJSON(),t=this.parameters.shapes;return gw(t,e)}static fromJSON(e,t){let n=[];for(let i=0,r=e.shapes.length;i<r;i++){let a=t[e.shapes[i]];n.push(a)}return new Yi(n,e.curveSegments)}};function gw(s,e){if(e.shapes=[],Array.isArray(s))for(let t=0,n=s.length;t<n;t++){let i=s[t];e.shapes.push(i.uuid)}else e.shapes.push(s.uuid);return e}var tn=class extends le{constructor(e=1,t=32,n=16,i=0,r=Math.PI*2,a=0,o=Math.PI){super();this.type="SphereGeometry",this.parameters={radius:e,widthSegments:t,heightSegments:n,phiStart:i,phiLength:r,thetaStart:a,thetaLength:o},t=Math.max(3,Math.floor(t)),n=Math.max(2,Math.floor(n));let l=Math.min(a+o,Math.PI),c=0,u=[],h=new b,d=new b,f=[],p=[],v=[],x=[];for(let g=0;g<=n;g++){let m=[],y=g/n,w=0;g==0&&a==0?w=.5/t:g==n&&l==Math.PI&&(w=-.5/t);for(let M=0;M<=t;M++){let S=M/t;h.x=-e*Math.cos(i+S*r)*Math.sin(a+y*o),h.y=e*Math.cos(a+y*o),h.z=e*Math.sin(i+S*r)*Math.sin(a+y*o),p.push(h.x,h.y,h.z),d.copy(h).normalize(),v.push(d.x,d.y,d.z),x.push(S+w,1-y),m.push(c++)}u.push(m)}for(let g=0;g<n;g++)for(let m=0;m<t;m++){let y=u[g][m+1],w=u[g][m],M=u[g+1][m],S=u[g+1][m+1];(g!==0||a>0)&&f.push(y,w,S),(g!==n-1||l<Math.PI)&&f.push(w,M,S)}this.setIndex(f),this.setAttribute("position",new ae(p,3)),this.setAttribute("normal",new ae(v,3)),this.setAttribute("uv",new ae(x,2))}static fromJSON(e){return new tn(e.radius,e.widthSegments,e.heightSegments,e.phiStart,e.phiLength,e.thetaStart,e.thetaLength)}},Zr=class extends Tn{constructor(e=1,t=0){let n=[1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],i=[2,1,0,0,3,2,1,3,0,2,3,1];super(n,i,e,t);this.type="TetrahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new Zr(e.radius,e.detail)}},bo=class extends vn{constructor(e,t={}){let n=t.font;if(!(n&&n.isFont))return console.error("THREE.TextGeometry: font parameter is not an instance of THREE.Font."),new le;let i=n.generateShapes(e,t.size);t.depth=t.height!==void 0?t.height:50,t.bevelThickness===void 0&&(t.bevelThickness=10),t.bevelSize===void 0&&(t.bevelSize=8),t.bevelEnabled===void 0&&(t.bevelEnabled=!1);super(i,t);this.type="TextGeometry"}},Jr=class extends le{constructor(e=1,t=.4,n=8,i=6,r=Math.PI*2){super();this.type="TorusGeometry",this.parameters={radius:e,tube:t,radialSegments:n,tubularSegments:i,arc:r},n=Math.floor(n),i=Math.floor(i);let a=[],o=[],l=[],c=[],u=new b,h=new b,d=new b;for(let f=0;f<=n;f++)for(let p=0;p<=i;p++){let v=p/i*r,x=f/n*Math.PI*2;h.x=(e+t*Math.cos(x))*Math.cos(v),h.y=(e+t*Math.cos(x))*Math.sin(v),h.z=t*Math.sin(x),o.push(h.x,h.y,h.z),u.x=e*Math.cos(v),u.y=e*Math.sin(v),d.subVectors(h,u).normalize(),l.push(d.x,d.y,d.z),c.push(p/i),c.push(f/n)}for(let f=1;f<=n;f++)for(let p=1;p<=i;p++){let v=(i+1)*f+p-1,x=(i+1)*(f-1)+p-1,g=(i+1)*(f-1)+p,m=(i+1)*f+p;a.push(v,x,m),a.push(x,g,m)}this.setIndex(a),this.setAttribute("position",new ae(o,3)),this.setAttribute("normal",new ae(l,3)),this.setAttribute("uv",new ae(c,2))}static fromJSON(e){return new Jr(e.radius,e.tube,e.radialSegments,e.tubularSegments,e.arc)}},Kr=class extends le{constructor(e=1,t=.4,n=64,i=8,r=2,a=3){super();this.type="TorusKnotGeometry",this.parameters={radius:e,tube:t,tubularSegments:n,radialSegments:i,p:r,q:a},n=Math.floor(n),i=Math.floor(i);let o=[],l=[],c=[],u=[],h=new b,d=new b,f=new b,p=new b,v=new b,x=new b,g=new b;for(let y=0;y<=n;++y){let w=y/n*r*Math.PI*2;m(w,r,a,e,f),m(w+.01,r,a,e,p),x.subVectors(p,f),g.addVectors(p,f),v.crossVectors(x,g),g.crossVectors(v,x),v.normalize(),g.normalize();for(let M=0;M<=i;++M){let S=M/i*Math.PI*2,A=-t*Math.cos(S),C=t*Math.sin(S);h.x=f.x+(A*g.x+C*v.x),h.y=f.y+(A*g.y+C*v.y),h.z=f.z+(A*g.z+C*v.z),l.push(h.x,h.y,h.z),d.subVectors(h,f).normalize(),c.push(d.x,d.y,d.z),u.push(y/n),u.push(M/i)}}for(let y=1;y<=n;y++)for(let w=1;w<=i;w++){let M=(i+1)*(y-1)+(w-1),S=(i+1)*y+(w-1),A=(i+1)*y+w,C=(i+1)*(y-1)+w;o.push(M,S,C),o.push(S,A,C)}this.setIndex(o),this.setAttribute("position",new ae(l,3)),this.setAttribute("normal",new ae(c,3)),this.setAttribute("uv",new ae(u,2));function m(y,w,M,S,A){let C=Math.cos(y),U=Math.sin(y),R=M/w*y,P=Math.cos(R);A.x=S*(2+P)*.5*C,A.y=S*(2+P)*U*.5,A.z=S*Math.sin(R)*.5}}static fromJSON(e){return new Kr(e.radius,e.tube,e.tubularSegments,e.radialSegments,e.p,e.q)}},$r=class extends le{constructor(e,t=64,n=1,i=8,r=!1){super();this.type="TubeGeometry",this.parameters={path:e,tubularSegments:t,radius:n,radialSegments:i,closed:r};let a=e.computeFrenetFrames(t,r);this.tangents=a.tangents,this.normals=a.normals,this.binormals=a.binormals;let o=new b,l=new b,c=new z,u=new b,h=[],d=[],f=[],p=[];v(),this.setIndex(p),this.setAttribute("position",new ae(h,3)),this.setAttribute("normal",new ae(d,3)),this.setAttribute("uv",new ae(f,2));function v(){for(let y=0;y<t;y++)x(y);x(r===!1?t:0),m(),g()}function x(y){u=e.getPointAt(y/t,u);let w=a.normals[y],M=a.binormals[y];for(let S=0;S<=i;S++){let A=S/i*Math.PI*2,C=Math.sin(A),U=-Math.cos(A);l.x=U*w.x+C*M.x,l.y=U*w.y+C*M.y,l.z=U*w.z+C*M.z,l.normalize(),d.push(l.x,l.y,l.z),o.x=u.x+n*l.x,o.y=u.y+n*l.y,o.z=u.z+n*l.z,h.push(o.x,o.y,o.z)}}function g(){for(let y=1;y<=t;y++)for(let w=1;w<=i;w++){let M=(i+1)*(y-1)+(w-1),S=(i+1)*y+(w-1),A=(i+1)*y+w,C=(i+1)*(y-1)+w;p.push(M,S,C),p.push(S,A,C)}}function m(){for(let y=0;y<=t;y++)for(let w=0;w<=i;w++)c.x=y/t,c.y=w/i,f.push(c.x,c.y)}}toJSON(){let e=super.toJSON();return e.path=this.parameters.path.toJSON(),e}static fromJSON(e){return new $r(new Rc[e.path.type]().fromJSON(e.path),e.tubularSegments,e.radius,e.radialSegments,e.closed)}},Ao=class extends le{constructor(e){super();if(this.type="WireframeGeometry",e.isGeometry===!0){console.error("THREE.WireframeGeometry no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return}let t=[],n=new Set,i=new b,r=new b;if(e.index!==null){let a=e.attributes.position,o=e.index,l=e.groups;l.length===0&&(l=[{start:0,count:o.count,materialIndex:0}]);for(let c=0,u=l.length;c<u;++c){let h=l[c],d=h.start,f=h.count;for(let p=d,v=d+f;p<v;p+=3)for(let x=0;x<3;x++){let g=o.getX(p+x),m=o.getX(p+(x+1)%3);i.fromBufferAttribute(a,g),r.fromBufferAttribute(a,m),Uf(i,r,n)===!0&&(t.push(i.x,i.y,i.z),t.push(r.x,r.y,r.z))}}}else{let a=e.attributes.position;for(let o=0,l=a.count/3;o<l;o++)for(let c=0;c<3;c++){let u=3*o+c,h=3*o+(c+1)%3;i.fromBufferAttribute(a,u),r.fromBufferAttribute(a,h),Uf(i,r,n)===!0&&(t.push(i.x,i.y,i.z),t.push(r.x,r.y,r.z))}}this.setAttribute("position",new ae(t,3))}};function Uf(s,e,t){let n=`${s.x},${s.y},${s.z}-${e.x},${e.y},${e.z}`,i=`${e.x},${e.y},${e.z}-${s.x},${s.y},${s.z}`;return t.has(n)===!0||t.has(i)===!0?!1:(t.add(n,i),!0)}var Nf=Object.freeze({__proto__:null,BoxGeometry:Hn,BoxBufferGeometry:Hn,CircleGeometry:kr,CircleBufferGeometry:kr,ConeGeometry:Vr,ConeBufferGeometry:Vr,CylinderGeometry:fi,CylinderBufferGeometry:fi,DodecahedronGeometry:Wr,DodecahedronBufferGeometry:Wr,EdgesGeometry:uo,ExtrudeGeometry:vn,ExtrudeBufferGeometry:vn,IcosahedronGeometry:Qr,IcosahedronBufferGeometry:Qr,LatheGeometry:qr,LatheBufferGeometry:qr,OctahedronGeometry:Wi,OctahedronBufferGeometry:Wi,ParametricGeometry:wo,ParametricBufferGeometry:wo,PlaneGeometry:Hi,PlaneBufferGeometry:Hi,PolyhedronGeometry:Tn,PolyhedronBufferGeometry:Tn,RingGeometry:mi,RingBufferGeometry:mi,ShapeGeometry:Yi,ShapeBufferGeometry:Yi,SphereGeometry:tn,SphereBufferGeometry:tn,TetrahedronGeometry:Zr,TetrahedronBufferGeometry:Zr,TextGeometry:bo,TextBufferGeometry:bo,TorusGeometry:Jr,TorusBufferGeometry:Jr,TorusKnotGeometry:Kr,TorusKnotBufferGeometry:Kr,TubeGeometry:$r,TubeBufferGeometry:$r,WireframeGeometry:Ao}),Mo=class extends at{constructor(e){super();this.type="ShadowMaterial",this.color=new K(0),this.transparent=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this}};Mo.prototype.isShadowMaterial=!0;var ji=class extends at{constructor(e){super();this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new K(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new K(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Ii,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapIntensity=e.envMapIntensity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this}};ji.prototype.isMeshStandardMaterial=!0;var Eo=class extends ji{constructor(e){super();this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new z(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return Dt(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.sheenTint=new K(0),this.transmission=0,this.transmissionMap=null,this.thickness=.01,this.thicknessMap=null,this.attenuationDistance=0,this.attenuationTint=new K(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularTint=new K(1,1,1),this.specularTintMap=null,this._clearcoat=0,this._transmission=0,this.setValues(e)}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.ior=e.ior,this.sheenTint.copy(e.sheenTint),this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationTint.copy(e.attenuationTint),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularTint.copy(e.specularTint),this.specularTintMap=e.specularTintMap,this}};Eo.prototype.isMeshPhysicalMaterial=!0;var es=class extends at{constructor(e){super();this.type="MeshPhongMaterial",this.color=new K(16777215),this.specular=new K(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new K(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Ii,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=vs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this}};es.prototype.isMeshPhongMaterial=!0;var _o=class extends at{constructor(e){super();this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new K(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new K(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Ii,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};_o.prototype.isMeshToonMaterial=!0;var To=class extends at{constructor(e){super();this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Ii,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}};To.prototype.isMeshNormalMaterial=!0;var So=class extends at{constructor(e){super();this.type="MeshLambertMaterial",this.color=new K(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new K(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=vs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};So.prototype.isMeshLambertMaterial=!0;var Co=class extends at{constructor(e){super();this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new K(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Ii,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.flatShading=e.flatShading,this}};Co.prototype.isMeshMatcapMaterial=!0;var Po=class extends Ze{constructor(e){super();this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}};Po.prototype.isLineDashedMaterial=!0;var vw=Object.freeze({__proto__:null,ShadowMaterial:Mo,SpriteMaterial:ki,RawShaderMaterial:zi,ShaderMaterial:Qe,PointsMaterial:qt,MeshPhysicalMaterial:Eo,MeshStandardMaterial:ji,MeshPhongMaterial:es,MeshToonMaterial:_o,MeshNormalMaterial:To,MeshLambertMaterial:So,MeshDepthMaterial:Gs,MeshDistanceMaterial:ks,MeshBasicMaterial:zt,MeshMatcapMaterial:Co,LineDashedMaterial:Po,LineBasicMaterial:Ze,Material:at}),$e={arraySlice:function(s,e,t){return $e.isTypedArray(s)?new s.constructor(s.subarray(e,t!==void 0?t:s.length)):s.slice(e,t)},convertArray:function(s,e,t){return!s||!t&&s.constructor===e?s:typeof e.BYTES_PER_ELEMENT=="number"?new e(s):Array.prototype.slice.call(s)},isTypedArray:function(s){return ArrayBuffer.isView(s)&&!(s instanceof DataView)},getKeyframeOrder:function(s){function e(i,r){return s[i]-s[r]}let t=s.length,n=new Array(t);for(let i=0;i!==t;++i)n[i]=i;return n.sort(e),n},sortedArray:function(s,e,t){let n=s.length,i=new s.constructor(n);for(let r=0,a=0;a!==n;++r){let o=t[r]*e;for(let l=0;l!==e;++l)i[a++]=s[o+l]}return i},flattenJSON:function(s,e,t,n){let i=1,r=s[0];for(;r!==void 0&&r[n]===void 0;)r=s[i++];if(r===void 0)return;let a=r[n];if(a!==void 0)if(Array.isArray(a))do a=r[n],a!==void 0&&(e.push(r.time),t.push.apply(t,a)),r=s[i++];while(r!==void 0);else if(a.toArray!==void 0)do a=r[n],a!==void 0&&(e.push(r.time),a.toArray(t,t.length)),r=s[i++];while(r!==void 0);else do a=r[n],a!==void 0&&(e.push(r.time),t.push(a)),r=s[i++];while(r!==void 0)},subclip:function(s,e,t,n,i=30){let r=s.clone();r.name=e;let a=[];for(let l=0;l<r.tracks.length;++l){let c=r.tracks[l],u=c.getValueSize(),h=[],d=[];for(let f=0;f<c.times.length;++f){let p=c.times[f]*i;if(!(p<t||p>=n)){h.push(c.times[f]);for(let v=0;v<u;++v)d.push(c.values[f*u+v])}}h.length!==0&&(c.times=$e.convertArray(h,c.times.constructor),c.values=$e.convertArray(d,c.values.constructor),a.push(c))}r.tracks=a;let o=1/0;for(let l=0;l<r.tracks.length;++l)o>r.tracks[l].times[0]&&(o=r.tracks[l].times[0]);for(let l=0;l<r.tracks.length;++l)r.tracks[l].shift(-1*o);return r.resetDuration(),r},makeClipAdditive:function(s,e=0,t=s,n=30){n<=0&&(n=30);let i=t.tracks.length,r=e/n;for(let a=0;a<i;++a){let o=t.tracks[a],l=o.ValueTypeName;if(l==="bool"||l==="string")continue;let c=s.tracks.find(function(g){return g.name===o.name&&g.ValueTypeName===l});if(c===void 0)continue;let u=0,h=o.getValueSize();o.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(u=h/3);let d=0,f=c.getValueSize();c.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(d=f/3);let p=o.times.length-1,v;if(r<=o.times[0]){let g=u,m=h-u;v=$e.arraySlice(o.values,g,m)}else if(r>=o.times[p]){let g=p*h+u,m=g+h-u;v=$e.arraySlice(o.values,g,m)}else{let g=o.createInterpolant(),m=u,y=h-u;g.evaluate(r),v=$e.arraySlice(g.resultBuffer,m,y)}l==="quaternion"&&new ht().fromArray(v).normalize().conjugate().toArray(v);let x=c.times.length;for(let g=0;g<x;++g){let m=g*f+d;if(l==="quaternion")ht.multiplyQuaternionsFlat(c.values,m,v,0,c.values,m);else{let y=f-d*2;for(let w=0;w<y;++w)c.values[m+w]-=v[w]}}}return s.blendMode=Cl,s}},Sn=class{constructor(e,t,n,i){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=i!==void 0?i:new t.constructor(n),this.sampleValues=t,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(e){let t=this.parameterPositions,n=this._cachedIndex,i=t[n],r=t[n-1];e:{t:{let a;n:{i:if(!(e<i)){for(let o=n+2;;){if(i===void 0){if(e<r)break i;return n=t.length,this._cachedIndex=n,this.afterEnd_(n-1,e,r)}if(n===o)break;if(r=i,i=t[++n],e<i)break t}a=t.length;break n}if(!(e>=r)){let o=t[1];e<o&&(n=2,r=o);for(let l=n-2;;){if(r===void 0)return this._cachedIndex=0,this.beforeStart_(0,e,i);if(n===l)break;if(i=r,r=t[--n-1],e>=r)break t}a=n,n=0;break n}break e}for(;n<a;){let o=n+a>>>1;e<t[o]?a=o:n=o+1}if(i=t[n],r=t[n-1],r===void 0)return this._cachedIndex=0,this.beforeStart_(0,e,i);if(i===void 0)return n=t.length,this._cachedIndex=n,this.afterEnd_(n-1,r,e)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,e,i)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){let t=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=e*i;for(let a=0;a!==i;++a)t[a]=n[r+a];return t}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}};Sn.prototype.beforeStart_=Sn.prototype.copySampleValue_;Sn.prototype.afterEnd_=Sn.prototype.copySampleValue_;var Ic=class extends Sn{constructor(e,t,n,i){super(e,t,n,i);this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:Di,endingEnd:Di}}intervalChanged_(e,t,n){let i=this.parameterPositions,r=e-2,a=e+1,o=i[r],l=i[a];if(o===void 0)switch(this.getSettings_().endingStart){case Li:r=e,o=2*t-n;break;case Ts:r=i.length-2,o=t+i[r]-i[r+1];break;default:r=e,o=n}if(l===void 0)switch(this.getSettings_().endingEnd){case Li:a=e,l=2*n-t;break;case Ts:a=1,l=n+i[1]-i[0];break;default:a=e-1,l=t}let c=(n-t)*.5,u=this.valueSize;this._weightPrev=c/(t-o),this._weightNext=c/(l-n),this._offsetPrev=r*u,this._offsetNext=a*u}interpolate_(e,t,n,i){let r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=e*o,c=l-o,u=this._offsetPrev,h=this._offsetNext,d=this._weightPrev,f=this._weightNext,p=(n-t)/(i-t),v=p*p,x=v*p,g=-d*x+2*d*v-d*p,m=(1+d)*x+(-1.5-2*d)*v+(-.5+d)*p+1,y=(-1-f)*x+(1.5+f)*v+.5*p,w=f*x-f*v;for(let M=0;M!==o;++M)r[M]=g*a[u+M]+m*a[c+M]+y*a[l+M]+w*a[h+M];return r}},Ro=class extends Sn{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e,t,n,i){let r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=e*o,c=l-o,u=(n-t)/(i-t),h=1-u;for(let d=0;d!==o;++d)r[d]=a[c+d]*h+a[l+d]*u;return r}},Bc=class extends Sn{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e){return this.copySampleValue_(e-1)}},nn=class{constructor(e,t,n,i){if(e===void 0)throw new Error("THREE.KeyframeTrack: track name is undefined");if(t===void 0||t.length===0)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=$e.convertArray(t,this.TimeBufferType),this.values=$e.convertArray(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(e){let t=e.constructor,n;if(t.toJSON!==this.toJSON)n=t.toJSON(e);else{n={name:e.name,times:$e.convertArray(e.times,Array),values:$e.convertArray(e.values,Array)};let i=e.getInterpolation();i!==e.DefaultInterpolation&&(n.interpolation=i)}return n.type=e.ValueTypeName,n}InterpolantFactoryMethodDiscrete(e){return new Bc(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new Ro(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new Ic(this.times,this.values,this.getValueSize(),e)}setInterpolation(e){let t;switch(e){case Es:t=this.InterpolantFactoryMethodDiscrete;break;case _s:t=this.InterpolantFactoryMethodLinear;break;case wa:t=this.InterpolantFactoryMethodSmooth;break}if(t===void 0){let n="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(this.createInterpolant===void 0)if(e!==this.DefaultInterpolation)this.setInterpolation(this.DefaultInterpolation);else throw new Error(n);return console.warn("THREE.KeyframeTrack:",n),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return Es;case this.InterpolantFactoryMethodLinear:return _s;case this.InterpolantFactoryMethodSmooth:return wa}}getValueSize(){return this.values.length/this.times.length}shift(e){if(e!==0){let t=this.times;for(let n=0,i=t.length;n!==i;++n)t[n]+=e}return this}scale(e){if(e!==1){let t=this.times;for(let n=0,i=t.length;n!==i;++n)t[n]*=e}return this}trim(e,t){let n=this.times,i=n.length,r=0,a=i-1;for(;r!==i&&n[r]<e;)++r;for(;a!==-1&&n[a]>t;)--a;if(++a,r!==0||a!==i){r>=a&&(a=Math.max(a,1),r=a-1);let o=this.getValueSize();this.times=$e.arraySlice(n,r,a),this.values=$e.arraySlice(this.values,r*o,a*o)}return this}validate(){let e=!0,t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);let n=this.times,i=this.values,r=n.length;r===0&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);let a=null;for(let o=0;o!==r;o++){let l=n[o];if(typeof l=="number"&&isNaN(l)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,o,l),e=!1;break}if(a!==null&&a>l){console.error("THREE.KeyframeTrack: Out of order keys.",this,o,l,a),e=!1;break}a=l}if(i!==void 0&&$e.isTypedArray(i))for(let o=0,l=i.length;o!==l;++o){let c=i[o];if(isNaN(c)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,o,c),e=!1;break}}return e}optimize(){let e=$e.arraySlice(this.times),t=$e.arraySlice(this.values),n=this.getValueSize(),i=this.getInterpolation()===wa,r=e.length-1,a=1;for(let o=1;o<r;++o){let l=!1,c=e[o],u=e[o+1];if(c!==u&&(o!==1||c!==e[0]))if(i)l=!0;else{let h=o*n,d=h-n,f=h+n;for(let p=0;p!==n;++p){let v=t[h+p];if(v!==t[d+p]||v!==t[f+p]){l=!0;break}}}if(l){if(o!==a){e[a]=e[o];let h=o*n,d=a*n;for(let f=0;f!==n;++f)t[d+f]=t[h+f]}++a}}if(r>0){e[a]=e[r];for(let o=r*n,l=a*n,c=0;c!==n;++c)t[l+c]=t[o+c];++a}return a!==e.length?(this.times=$e.arraySlice(e,0,a),this.values=$e.arraySlice(t,0,a*n)):(this.times=e,this.values=t),this}clone(){let e=$e.arraySlice(this.times,0),t=$e.arraySlice(this.values,0),n=this.constructor,i=new n(this.name,e,t);return i.createInterpolant=this.createInterpolant,i}};nn.prototype.TimeBufferType=Float32Array;nn.prototype.ValueBufferType=Float32Array;nn.prototype.DefaultInterpolation=_s;var gi=class extends nn{};gi.prototype.ValueTypeName="bool";gi.prototype.ValueBufferType=Array;gi.prototype.DefaultInterpolation=Es;gi.prototype.InterpolantFactoryMethodLinear=void 0;gi.prototype.InterpolantFactoryMethodSmooth=void 0;var Do=class extends nn{};Do.prototype.ValueTypeName="color";var ts=class extends nn{};ts.prototype.ValueTypeName="number";var Fc=class extends Sn{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e,t,n,i){let r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=(n-t)/(i-t),c=e*o;for(let u=c+o;c!==u;c+=4)ht.slerpFlat(r,0,a,c-o,a,c,l);return r}},Xi=class extends nn{InterpolantFactoryMethodLinear(e){return new Fc(this.times,this.values,this.getValueSize(),e)}};Xi.prototype.ValueTypeName="quaternion";Xi.prototype.DefaultInterpolation=_s;Xi.prototype.InterpolantFactoryMethodSmooth=void 0;var vi=class extends nn{};vi.prototype.ValueTypeName="string";vi.prototype.ValueBufferType=Array;vi.prototype.DefaultInterpolation=Es;vi.prototype.InterpolantFactoryMethodLinear=void 0;vi.prototype.InterpolantFactoryMethodSmooth=void 0;var ns=class extends nn{};ns.prototype.ValueTypeName="vector";var is=class{constructor(e,t=-1,n,i=ba){this.name=e,this.tracks=n,this.duration=t,this.blendMode=i,this.uuid=jt(),this.duration<0&&this.resetDuration()}static parse(e){let t=[],n=e.tracks,i=1/(e.fps||1);for(let a=0,o=n.length;a!==o;++a)t.push(yw(n[a]).scale(i));let r=new this(e.name,e.duration,t,e.blendMode);return r.uuid=e.uuid,r}static toJSON(e){let t=[],n=e.tracks,i={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode};for(let r=0,a=n.length;r!==a;++r)t.push(nn.toJSON(n[r]));return i}static CreateFromMorphTargetSequence(e,t,n,i){let r=t.length,a=[];for(let o=0;o<r;o++){let l=[],c=[];l.push((o+r-1)%r,o,(o+1)%r),c.push(0,1,0);let u=$e.getKeyframeOrder(l);l=$e.sortedArray(l,1,u),c=$e.sortedArray(c,1,u),!i&&l[0]===0&&(l.push(r),c.push(c[0])),a.push(new ts(".morphTargetInfluences["+t[o].name+"]",l,c).scale(1/n))}return new this(e,-1,a)}static findByName(e,t){let n=e;if(!Array.isArray(e)){let i=e;n=i.geometry&&i.geometry.animations||i.animations}for(let i=0;i<n.length;i++)if(n[i].name===t)return n[i];return null}static CreateClipsFromMorphTargetSequences(e,t,n){let i={},r=/^([\w-]*?)([\d]+)$/;for(let o=0,l=e.length;o<l;o++){let c=e[o],u=c.name.match(r);if(u&&u.length>1){let h=u[1],d=i[h];d||(i[h]=d=[]),d.push(c)}}let a=[];for(let o in i)a.push(this.CreateFromMorphTargetSequence(o,i[o],t,n));return a}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;let n=function(h,d,f,p,v){if(f.length!==0){let x=[],g=[];$e.flattenJSON(f,x,g,p),x.length!==0&&v.push(new 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e.camera.matrix,e}},Hc=class extends Io{constructor(){super(new nt(50,1,.5,500));this.focus=1}updateMatrices(e){let t=this.camera,n=Cs*2*e.angle*this.focus,i=this.mapSize.width/this.mapSize.height,r=e.distance||t.far;(n!==t.fov||i!==t.aspect||r!==t.far)&&(t.fov=n,t.aspect=i,t.far=r,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}};Hc.prototype.isSpotLightShadow=!0;var Bo=class extends sn{constructor(e,t,n=0,i=Math.PI/3,r=0,a=1){super(e,t);this.type="SpotLight",this.position.copy(De.DefaultUp),this.updateMatrix(),this.target=new De,this.distance=n,this.angle=i,this.penumbra=r,this.decay=a,this.shadow=new Hc}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}};Bo.prototype.isSpotLight=!0;var Yf=new me,sa=new b,zc=new b,Gc=class extends Io{constructor(){super(new nt(90,1,.5,500));this._frameExtents=new z(4,2),this._viewportCount=6,this._viewports=[new je(2,1,1,1),new je(0,1,1,1),new je(3,1,1,1),new je(1,1,1,1),new je(3,0,1,1),new je(1,0,1,1)],this._cubeDirections=[new b(1,0,0),new b(-1,0,0),new b(0,0,1),new b(0,0,-1),new b(0,1,0),new b(0,-1,0)],this._cubeUps=[new b(0,1,0),new b(0,1,0),new b(0,1,0),new b(0,1,0),new b(0,0,1),new b(0,0,-1)]}updateMatrices(e,t=0){let n=this.camera,i=this.matrix,r=e.distance||n.far;r!==n.far&&(n.far=r,n.updateProjectionMatrix()),sa.setFromMatrixPosition(e.matrixWorld),n.position.copy(sa),zc.copy(n.position),zc.add(this._cubeDirections[t]),n.up.copy(this._cubeUps[t]),n.lookAt(zc),n.updateMatrixWorld(),i.makeTranslation(-sa.x,-sa.y,-sa.z),Yf.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Yf)}};Gc.prototype.isPointLightShadow=!0;var os=class extends sn{constructor(e,t,n=0,i=1){super(e,t);this.type="PointLight",this.distance=n,this.decay=i,this.shadow=new Gc}get power(){return this.intensity*4*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}};os.prototype.isPointLight=!0;var kc=class extends Io{constructor(){super(new Cr(-5,5,5,-5,.5,500))}};kc.prototype.isDirectionalLightShadow=!0;var Fo=class extends sn{constructor(e,t){super(e,t);this.type="DirectionalLight",this.position.copy(De.DefaultUp),this.updateMatrix(),this.target=new De,this.shadow=new kc}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}};Fo.prototype.isDirectionalLight=!0;var ls=class extends sn{constructor(e,t){super(e,t);this.type="AmbientLight"}};ls.prototype.isAmbientLight=!0;var Oo=class extends sn{constructor(e,t,n=10,i=10){super(e,t);this.type="RectAreaLight",this.width=n,this.height=i}get power(){return this.intensity*this.width*this.height*Math.PI}set power(e){this.intensity=e/(this.width*this.height*Math.PI)}copy(e){return super.copy(e),this.width=e.width,this.height=e.height,this}toJSON(e){let t=super.toJSON(e);return t.object.width=this.width,t.object.height=this.height,t}};Oo.prototype.isRectAreaLight=!0;var Uo=class{constructor(){this.coefficients=[];for(let e=0;e<9;e++)this.coefficients.push(new b)}set(e){for(let t=0;t<9;t++)this.coefficients[t].copy(e[t]);return this}zero(){for(let e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}getAt(e,t){let n=e.x,i=e.y,r=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.282095),t.addScaledVector(a[1],.488603*i),t.addScaledVector(a[2],.488603*r),t.addScaledVector(a[3],.488603*n),t.addScaledVector(a[4],1.092548*(n*i)),t.addScaledVector(a[5],1.092548*(i*r)),t.addScaledVector(a[6],.315392*(3*r*r-1)),t.addScaledVector(a[7],1.092548*(n*r)),t.addScaledVector(a[8],.546274*(n*n-i*i)),t}getIrradianceAt(e,t){let n=e.x,i=e.y,r=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.886227),t.addScaledVector(a[1],2*.511664*i),t.addScaledVector(a[2],2*.511664*r),t.addScaledVector(a[3],2*.511664*n),t.addScaledVector(a[4],2*.429043*n*i),t.addScaledVector(a[5],2*.429043*i*r),t.addScaledVector(a[6],.743125*r*r-.247708),t.addScaledVector(a[7],2*.429043*n*r),t.addScaledVector(a[8],.429043*(n*n-i*i)),t}add(e){for(let t=0;t<9;t++)this.coefficients[t].add(e.coefficients[t]);return this}addScaledSH(e,t){for(let n=0;n<9;n++)this.coefficients[n].addScaledVector(e.coefficients[n],t);return this}scale(e){for(let t=0;t<9;t++)this.coefficients[t].multiplyScalar(e);return this}lerp(e,t){for(let n=0;n<9;n++)this.coefficients[n].lerp(e.coefficients[n],t);return this}equals(e){for(let t=0;t<9;t++)if(!this.coefficients[t].equals(e.coefficients[t]))return!1;return!0}copy(e){return this.set(e.coefficients)}clone(){return new this.constructor().copy(this)}fromArray(e,t=0){let n=this.coefficients;for(let i=0;i<9;i++)n[i].fromArray(e,t+i*3);return this}toArray(e=[],t=0){let n=this.coefficients;for(let i=0;i<9;i++)n[i].toArray(e,t+i*3);return e}static getBasisAt(e,t){let n=e.x,i=e.y,r=e.z;t[0]=.282095,t[1]=.488603*i,t[2]=.488603*r,t[3]=.488603*n,t[4]=1.092548*n*i,t[5]=1.092548*i*r,t[6]=.315392*(3*r*r-1),t[7]=1.092548*n*r,t[8]=.546274*(n*n-i*i)}};Uo.prototype.isSphericalHarmonics3=!0;var cs=class extends sn{constructor(e=new Uo,t=1){super(void 0,t);this.sh=e}copy(e){return super.copy(e),this.sh.copy(e.sh),this}fromJSON(e){return this.intensity=e.intensity,this.sh.fromArray(e.sh),this}toJSON(e){let t=super.toJSON(e);return t.object.sh=this.sh.toArray(),t}};cs.prototype.isLightProbe=!0;var Vc=class extends bt{constructor(e){super(e);this.textures={}}load(e,t,n,i){let r=this,a=new Yt(r.manager);a.setPath(r.path),a.setRequestHeader(r.requestHeader),a.setWithCredentials(r.withCredentials),a.load(e,function(o){try{t(r.parse(JSON.parse(o)))}catch(l){i?i(l):console.error(l),r.manager.itemError(e)}},n,i)}parse(e){let t=this.textures;function n(r){return t[r]===void 0&&console.warn("THREE.MaterialLoader: Undefined texture",r),t[r]}let i=new vw[e.type];if(e.uuid!==void 0&&(i.uuid=e.uuid),e.name!==void 0&&(i.name=e.name),e.color!==void 0&&i.color!==void 0&&i.color.setHex(e.color),e.roughness!==void 0&&(i.roughness=e.roughness),e.metalness!==void 0&&(i.metalness=e.metalness),e.sheenTint!==void 0&&(i.sheenTint=new K().setHex(e.sheenTint)),e.emissive!==void 0&&i.emissive!==void 0&&i.emissive.setHex(e.emissive),e.specular!==void 0&&i.specular!==void 0&&i.specular.setHex(e.specular),e.specularIntensity!==void 0&&(i.specularIntensity=e.specularIntensity),e.specularTint!==void 0&&i.specularTint!==void 0&&i.specularTint.setHex(e.specularTint),e.shininess!==void 0&&(i.shininess=e.shininess),e.clearcoat!==void 0&&(i.clearcoat=e.clearcoat),e.clearcoatRoughness!==void 0&&(i.clearcoatRoughness=e.clearcoatRoughness),e.transmission!==void 0&&(i.transmission=e.transmission),e.thickness!==void 0&&(i.thickness=e.thickness),e.attenuationDistance!==void 0&&(i.attenuationDistance=e.attenuationDistance),e.attenuationTint!==void 0&&i.attenuationTint!==void 0&&i.attenuationTint.setHex(e.attenuationTint),e.fog!==void 0&&(i.fog=e.fog),e.flatShading!==void 0&&(i.flatShading=e.flatShading),e.blending!==void 0&&(i.blending=e.blending),e.combine!==void 0&&(i.combine=e.combine),e.side!==void 0&&(i.side=e.side),e.shadowSide!==void 0&&(i.shadowSide=e.shadowSide),e.opacity!==void 0&&(i.opacity=e.opacity),e.format!==void 0&&(i.format=e.format),e.transparent!==void 0&&(i.transparent=e.transparent),e.alphaTest!==void 0&&(i.alphaTest=e.alphaTest),e.depthTest!==void 0&&(i.depthTest=e.depthTest),e.depthWrite!==void 0&&(i.depthWrite=e.depthWrite),e.colorWrite!==void 0&&(i.colorWrite=e.colorWrite),e.stencilWrite!==void 0&&(i.stencilWrite=e.stencilWrite),e.stencilWriteMask!==void 0&&(i.stencilWriteMask=e.stencilWriteMask),e.stencilFunc!==void 0&&(i.stencilFunc=e.stencilFunc),e.stencilRef!==void 0&&(i.stencilRef=e.stencilRef),e.stencilFuncMask!==void 0&&(i.stencilFuncMask=e.stencilFuncMask),e.stencilFail!==void 0&&(i.stencilFail=e.stencilFail),e.stencilZFail!==void 0&&(i.stencilZFail=e.stencilZFail),e.stencilZPass!==void 0&&(i.stencilZPass=e.stencilZPass),e.wireframe!==void 0&&(i.wireframe=e.wireframe),e.wireframeLinewidth!==void 0&&(i.wireframeLinewidth=e.wireframeLinewidth),e.wireframeLinecap!==void 0&&(i.wireframeLinecap=e.wireframeLinecap),e.wireframeLinejoin!==void 0&&(i.wireframeLinejoin=e.wireframeLinejoin),e.rotation!==void 0&&(i.rotation=e.rotation),e.linewidth!==1&&(i.linewidth=e.linewidth),e.dashSize!==void 0&&(i.dashSize=e.dashSize),e.gapSize!==void 0&&(i.gapSize=e.gapSize),e.scale!==void 0&&(i.scale=e.scale),e.polygonOffset!==void 0&&(i.polygonOffset=e.polygonOffset),e.polygonOffsetFactor!==void 0&&(i.polygonOffsetFactor=e.polygonOffsetFactor),e.polygonOffsetUnits!==void 0&&(i.polygonOffsetUnits=e.polygonOffsetUnits),e.dithering!==void 0&&(i.dithering=e.dithering),e.alphaToCoverage!==void 0&&(i.alphaToCoverage=e.alphaToCoverage),e.premultipliedAlpha!==void 0&&(i.premultipliedAlpha=e.premultipliedAlpha),e.visible!==void 0&&(i.visible=e.visible),e.toneMapped!==void 0&&(i.toneMapped=e.toneMapped),e.userData!==void 0&&(i.userData=e.userData),e.vertexColors!==void 0&&(typeof e.vertexColors=="number"?i.vertexColors=e.vertexColors>0:i.vertexColors=e.vertexColors),e.uniforms!==void 0)for(let r in e.uniforms){let a=e.uniforms[r];switch(i.uniforms[r]={},a.type){case"t":i.uniforms[r].value=n(a.value);break;case"c":i.uniforms[r].value=new K().setHex(a.value);break;case"v2":i.uniforms[r].value=new z().fromArray(a.value);break;case"v3":i.uniforms[r].value=new b().fromArray(a.value);break;case"v4":i.uniforms[r].value=new je().fromArray(a.value);break;case"m3":i.uniforms[r].value=new vt().fromArray(a.value);break;case"m4":i.uniforms[r].value=new me().fromArray(a.value);break;default:i.uniforms[r].value=a.value}}if(e.defines!==void 0&&(i.defines=e.defines),e.vertexShader!==void 0&&(i.vertexShader=e.vertexShader),e.fragmentShader!==void 0&&(i.fragmentShader=e.fragmentShader),e.extensions!==void 0)for(let r in e.extensions)i.extensions[r]=e.extensions[r];if(e.shading!==void 0&&(i.flatShading=e.shading===1),e.size!==void 0&&(i.size=e.size),e.sizeAttenuation!==void 0&&(i.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(i.map=n(e.map)),e.matcap!==void 0&&(i.matcap=n(e.matcap)),e.alphaMap!==void 0&&(i.alphaMap=n(e.alphaMap)),e.bumpMap!==void 0&&(i.bumpMap=n(e.bumpMap)),e.bumpScale!==void 0&&(i.bumpScale=e.bumpScale),e.normalMap!==void 0&&(i.normalMap=n(e.normalMap)),e.normalMapType!==void 0&&(i.normalMapType=e.normalMapType),e.normalScale!==void 0){let r=e.normalScale;Array.isArray(r)===!1&&(r=[r,r]),i.normalScale=new z().fromArray(r)}return e.displacementMap!==void 0&&(i.displacementMap=n(e.displacementMap)),e.displacementScale!==void 0&&(i.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(i.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(i.roughnessMap=n(e.roughnessMap)),e.metalnessMap!==void 0&&(i.metalnessMap=n(e.metalnessMap)),e.emissiveMap!==void 0&&(i.emissiveMap=n(e.emissiveMap)),e.emissiveIntensity!==void 0&&(i.emissiveIntensity=e.emissiveIntensity),e.specularMap!==void 0&&(i.specularMap=n(e.specularMap)),e.specularIntensityMap!==void 0&&(i.specularIntensityMap=n(e.specularIntensityMap)),e.specularTintMap!==void 0&&(i.specularTintMap=n(e.specularTintMap)),e.envMap!==void 0&&(i.envMap=n(e.envMap)),e.envMapIntensity!==void 0&&(i.envMapIntensity=e.envMapIntensity),e.reflectivity!==void 0&&(i.reflectivity=e.reflectivity),e.refractionRatio!==void 0&&(i.refractionRatio=e.refractionRatio),e.lightMap!==void 0&&(i.lightMap=n(e.lightMap)),e.lightMapIntensity!==void 0&&(i.lightMapIntensity=e.lightMapIntensity),e.aoMap!==void 0&&(i.aoMap=n(e.aoMap)),e.aoMapIntensity!==void 0&&(i.aoMapIntensity=e.aoMapIntensity),e.gradientMap!==void 0&&(i.gradientMap=n(e.gradientMap)),e.clearcoatMap!==void 0&&(i.clearcoatMap=n(e.clearcoatMap)),e.clearcoatRoughnessMap!==void 0&&(i.clearcoatRoughnessMap=n(e.clearcoatRoughnessMap)),e.clearcoatNormalMap!==void 0&&(i.clearcoatNormalMap=n(e.clearcoatNormalMap)),e.clearcoatNormalScale!==void 0&&(i.clearcoatNormalScale=new z().fromArray(e.clearcoatNormalScale)),e.transmissionMap!==void 0&&(i.transmissionMap=n(e.transmissionMap)),e.thicknessMap!==void 0&&(i.thicknessMap=n(e.thicknessMap)),i}setTextures(e){return this.textures=e,this}},aa=class{static decodeText(e){if(typeof TextDecoder!="undefined")return new TextDecoder().decode(e);let t="";for(let n=0,i=e.length;n<i;n++)t+=String.fromCharCode(e[n]);try{return decodeURIComponent(escape(t))}catch(n){return t}}static extractUrlBase(e){let t=e.lastIndexOf("/");return t===-1?"./":e.substr(0,t+1)}},No=class extends le{constructor(){super();this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(e){return super.copy(e),this.instanceCount=e.instanceCount,this}clone(){return new this.constructor().copy(this)}toJSON(){let e=super.toJSON(this);return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}};No.prototype.isInstancedBufferGeometry=!0;var Wc=class extends bt{constructor(e){super(e)}load(e,t,n,i){let r=this,a=new Yt(r.manager);a.setPath(r.path),a.setRequestHeader(r.requestHeader),a.setWithCredentials(r.withCredentials),a.load(e,function(o){try{t(r.parse(JSON.parse(o)))}catch(l){i?i(l):console.error(l),r.manager.itemError(e)}},n,i)}parse(e){let t={},n={};function i(f,p){if(t[p]!==void 0)return t[p];let x=f.interleavedBuffers[p],g=r(f,x.buffer),m=wr(x.type,g),y=new hi(m,x.stride);return y.uuid=x.uuid,t[p]=y,y}function r(f,p){if(n[p]!==void 0)return n[p];let x=f.arrayBuffers[p],g=new Uint32Array(x).buffer;return n[p]=g,g}let a=e.isInstancedBufferGeometry?new No:new le,o=e.data.index;if(o!==void 0){let f=wr(o.type,o.array);a.setIndex(new de(f,1))}let l=e.data.attributes;for(let f in l){let p=l[f],v;if(p.isInterleavedBufferAttribute){let x=i(e.data,p.data);v=new zn(x,p.itemSize,p.offset,p.normalized)}else{let x=wr(p.type,p.array),g=p.isInstancedBufferAttribute?di:de;v=new g(x,p.itemSize,p.normalized)}p.name!==void 0&&(v.name=p.name),p.usage!==void 0&&v.setUsage(p.usage),p.updateRange!==void 0&&(v.updateRange.offset=p.updateRange.offset,v.updateRange.count=p.updateRange.count),a.setAttribute(f,v)}let c=e.data.morphAttributes;if(c)for(let f in c){let p=c[f],v=[];for(let x=0,g=p.length;x<g;x++){let m=p[x],y;if(m.isInterleavedBufferAttribute){let w=i(e.data,m.data);y=new zn(w,m.itemSize,m.offset,m.normalized)}else{let w=wr(m.type,m.array);y=new de(w,m.itemSize,m.normalized)}m.name!==void 0&&(y.name=m.name),v.push(y)}a.morphAttributes[f]=v}e.data.morphTargetsRelative&&(a.morphTargetsRelative=!0);let h=e.data.groups||e.data.drawcalls||e.data.offsets;if(h!==void 0)for(let f=0,p=h.length;f!==p;++f){let v=h[f];a.addGroup(v.start,v.count,v.materialIndex)}let d=e.data.boundingSphere;if(d!==void 0){let f=new b;d.center!==void 0&&f.fromArray(d.center),a.boundingSphere=new In(f,d.radius)}return e.name&&(a.name=e.name),e.userData&&(a.userData=e.userData),a}},jf=class extends bt{constructor(e){super(e)}load(e,t,n,i){let r=this,a=this.path===""?aa.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||a;let o=new Yt(this.manager);o.setPath(this.path),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(e,function(l){let c=null;try{c=JSON.parse(l)}catch(h){i!==void 0&&i(h),console.error("THREE:ObjectLoader: Can't parse "+e+".",h.message);return}let u=c.metadata;if(u===void 0||u.type===void 0||u.type.toLowerCase()==="geometry"){console.error("THREE.ObjectLoader: Can't load "+e);return}r.parse(c,t)},n,i)}loadAsync(e,t){return Kt(this,null,function*(){let n=this,i=this.path===""?aa.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||i;let r=new Yt(this.manager);r.setPath(this.path),r.setRequestHeader(this.requestHeader),r.setWithCredentials(this.withCredentials);let a=yield r.loadAsync(e,t),o=JSON.parse(a),l=o.metadata;if(l===void 0||l.type===void 0||l.type.toLowerCase()==="geometry")throw new Error("THREE.ObjectLoader: Can't load "+e);return yield n.parseAsync(o)})}parse(e,t){let n=this.parseAnimations(e.animations),i=this.parseShapes(e.shapes),r=this.parseGeometries(e.geometries,i),a=this.parseImages(e.images,function(){t!==void 0&&t(c)}),o=this.parseTextures(e.textures,a),l=this.parseMaterials(e.materials,o),c=this.parseObject(e.object,r,l,o,n),u=this.parseSkeletons(e.skeletons,c);if(this.bindSkeletons(c,u),t!==void 0){let h=!1;for(let d in a)if(a[d]instanceof HTMLImageElement){h=!0;break}h===!1&&t(c)}return c}parseAsync(e){return Kt(this,null,function*(){let t=this.parseAnimations(e.animations),n=this.parseShapes(e.shapes),i=this.parseGeometries(e.geometries,n),r=yield this.parseImagesAsync(e.images),a=this.parseTextures(e.textures,r),o=this.parseMaterials(e.materials,a),l=this.parseObject(e.object,i,o,a,t),c=this.parseSkeletons(e.skeletons,l);return this.bindSkeletons(l,c),l})}parseShapes(e){let t={};if(e!==void 0)for(let n=0,i=e.length;n<i;n++){let r=new kn().fromJSON(e[n]);t[r.uuid]=r}return t}parseSkeletons(e,t){let n={},i={};if(t.traverse(function(r){r.isBone&&(i[r.uuid]=r)}),e!==void 0)for(let r=0,a=e.length;r<a;r++){let o=new qs().fromJSON(e[r],i);n[o.uuid]=o}return n}parseGeometries(e,t){let n={};if(e!==void 0){let i=new Wc;for(let r=0,a=e.length;r<a;r++){let o,l=e[r];switch(l.type){case"BufferGeometry":case"InstancedBufferGeometry":o=i.parse(l);break;case"Geometry":console.error("THREE.ObjectLoader: The legacy Geometry type is no longer supported.");break;default:l.type in Nf?o=Nf[l.type].fromJSON(l,t):console.warn(`THREE.ObjectLoader: Unsupported geometry type "${l.type}"`)}o.uuid=l.uuid,l.name!==void 0&&(o.name=l.name),o.isBufferGeometry===!0&&l.userData!==void 0&&(o.userData=l.userData),n[l.uuid]=o}}return n}parseMaterials(e,t){let n={},i={};if(e!==void 0){let r=new Vc;r.setTextures(t);for(let a=0,o=e.length;a<o;a++){let l=e[a];if(l.type==="MultiMaterial"){let c=[];for(let u=0;u<l.materials.length;u++){let h=l.materials[u];n[h.uuid]===void 0&&(n[h.uuid]=r.parse(h)),c.push(n[h.uuid])}i[l.uuid]=c}else n[l.uuid]===void 0&&(n[l.uuid]=r.parse(l)),i[l.uuid]=n[l.uuid]}}return i}parseAnimations(e){let t={};if(e!==void 0)for(let n=0;n<e.length;n++){let i=e[n],r=is.parse(i);t[r.uuid]=r}return t}parseImages(e,t){let n=this,i={},r;function a(l){return n.manager.itemStart(l),r.load(l,function(){n.manager.itemEnd(l)},void 0,function(){n.manager.itemError(l),n.manager.itemEnd(l)})}function o(l){if(typeof l=="string"){let c=l,u=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(c)?c:n.resourcePath+c;return a(u)}else return l.data?{data:wr(l.type,l.data),width:l.width,height:l.height}:null}if(e!==void 0&&e.length>0){let l=new rs(t);r=new ss(l),r.setCrossOrigin(this.crossOrigin);for(let c=0,u=e.length;c<u;c++){let h=e[c],d=h.url;if(Array.isArray(d)){i[h.uuid]=[];for(let f=0,p=d.length;f<p;f++){let v=d[f],x=o(v);x!==null&&(x instanceof HTMLImageElement?i[h.uuid].push(x):i[h.uuid].push(new Gn(x.data,x.width,x.height)))}}else{let f=o(h.url);f!==null&&(i[h.uuid]=f)}}}return i}parseImagesAsync(e){return Kt(this,null,function*(){let t=this,n={},i;function r(a){return Kt(this,null,function*(){if(typeof a=="string"){let o=a,l=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(o)?o:t.resourcePath+o;return yield i.loadAsync(l)}else return a.data?{data:wr(a.type,a.data),width:a.width,height:a.height}:null})}if(e!==void 0&&e.length>0){i=new ss(this.manager),i.setCrossOrigin(this.crossOrigin);for(let a=0,o=e.length;a<o;a++){let l=e[a],c=l.url;if(Array.isArray(c)){n[l.uuid]=[];for(let u=0,h=c.length;u<h;u++){let d=c[u],f=yield r(d);f!==null&&(f instanceof HTMLImageElement?n[l.uuid].push(f):n[l.uuid].push(new Gn(f.data,f.width,f.height)))}}else{let u=yield r(l.url);u!==null&&(n[l.uuid]=u)}}}return n})}parseTextures(e,t){function n(r,a){return typeof r=="number"?r:(console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",r),a[r])}let i={};if(e!==void 0)for(let r=0,a=e.length;r<a;r++){let o=e[r];o.image===void 0&&console.warn('THREE.ObjectLoader: No "image" specified for',o.uuid),t[o.image]===void 0&&console.warn("THREE.ObjectLoader: Undefined image",o.image);let l,c=t[o.image];Array.isArray(c)?(l=new Ni(c),c.length===6&&(l.needsUpdate=!0)):(c&&c.data?l=new Gn(c.data,c.width,c.height):l=new xt(c),c&&(l.needsUpdate=!0)),l.uuid=o.uuid,o.name!==void 0&&(l.name=o.name),o.mapping!==void 0&&(l.mapping=n(o.mapping,ww)),o.offset!==void 0&&l.offset.fromArray(o.offset),o.repeat!==void 0&&l.repeat.fromArray(o.repeat),o.center!==void 0&&l.center.fromArray(o.center),o.rotation!==void 0&&(l.rotation=o.rotation),o.wrap!==void 0&&(l.wrapS=n(o.wrap[0],Xf),l.wrapT=n(o.wrap[1],Xf)),o.format!==void 0&&(l.format=o.format),o.type!==void 0&&(l.type=o.type),o.encoding!==void 0&&(l.encoding=o.encoding),o.minFilter!==void 0&&(l.minFilter=n(o.minFilter,Qf)),o.magFilter!==void 0&&(l.magFilter=n(o.magFilter,Qf)),o.anisotropy!==void 0&&(l.anisotropy=o.anisotropy),o.flipY!==void 0&&(l.flipY=o.flipY),o.premultiplyAlpha!==void 0&&(l.premultiplyAlpha=o.premultiplyAlpha),o.unpackAlignment!==void 0&&(l.unpackAlignment=o.unpackAlignment),i[o.uuid]=l}return i}parseObject(e,t,n,i,r){let a;function o(d){return t[d]===void 0&&console.warn("THREE.ObjectLoader: Undefined geometry",d),t[d]}function l(d){if(d!==void 0){if(Array.isArray(d)){let f=[];for(let p=0,v=d.length;p<v;p++){let x=d[p];n[x]===void 0&&console.warn("THREE.ObjectLoader: Undefined material",x),f.push(n[x])}return f}return n[d]===void 0&&console.warn("THREE.ObjectLoader: Undefined material",d),n[d]}}function c(d){return i[d]===void 0&&console.warn("THREE.ObjectLoader: Undefined texture",d),i[d]}let u,h;switch(e.type){case"Scene":a=new kt,e.background!==void 0&&(Number.isInteger(e.background)?a.background=new K(e.background):a.background=c(e.background)),e.environment!==void 0&&(a.environment=c(e.environment)),e.fog!==void 0&&(e.fog.type==="Fog"?a.fog=new Fr(e.fog.color,e.fog.near,e.fog.far):e.fog.type==="FogExp2"&&(a.fog=new Br(e.fog.color,e.fog.density)));break;case"PerspectiveCamera":a=new nt(e.fov,e.aspect,e.near,e.far),e.focus!==void 0&&(a.focus=e.focus),e.zoom!==void 0&&(a.zoom=e.zoom),e.filmGauge!==void 0&&(a.filmGauge=e.filmGauge),e.filmOffset!==void 0&&(a.filmOffset=e.filmOffset),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case"OrthographicCamera":a=new Cr(e.left,e.right,e.top,e.bottom,e.near,e.far),e.zoom!==void 0&&(a.zoom=e.zoom),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case"AmbientLight":a=new ls(e.color,e.intensity);break;case"DirectionalLight":a=new Fo(e.color,e.intensity);break;case"PointLight":a=new os(e.color,e.intensity,e.distance,e.decay);break;case"RectAreaLight":a=new Oo(e.color,e.intensity,e.width,e.height);break;case"SpotLight":a=new Bo(e.color,e.intensity,e.distance,e.angle,e.penumbra,e.decay);break;case"HemisphereLight":a=new Lo(e.color,e.groundColor,e.intensity);break;case"LightProbe":a=new cs().fromJSON(e);break;case"SkinnedMesh":u=o(e.geometry),h=l(e.material),a=new Xs(u,h),e.bindMode!==void 0&&(a.bindMode=e.bindMode),e.bindMatrix!==void 0&&a.bindMatrix.fromArray(e.bindMatrix),e.skeleton!==void 0&&(a.skeleton=e.skeleton);break;case"Mesh":u=o(e.geometry),h=l(e.material),a=new ze(u,h);break;case"InstancedMesh":u=o(e.geometry),h=l(e.material);let d=e.count,f=e.instanceMatrix,p=e.instanceColor;a=new to(u,h,d),a.instanceMatrix=new di(new Float32Array(f.array),16),p!==void 0&&(a.instanceColor=new di(new Float32Array(p.array),p.itemSize));break;case"LOD":a=new zr;break;case"Line":a=new Vt(o(e.geometry),l(e.material));break;case"LineLoop":a=new io(o(e.geometry),l(e.material));break;case"LineSegments":a=new yt(o(e.geometry),l(e.material));break;case"PointCloud":case"Points":a=new Ot(o(e.geometry),l(e.material));break;case"Sprite":a=new Vi(l(e.material));break;case"Group":a=new _n;break;case"Bone":a=new Qs;break;default:a=new De}if(a.uuid=e.uuid,e.name!==void 0&&(a.name=e.name),e.matrix!==void 0?(a.matrix.fromArray(e.matrix),e.matrixAutoUpdate!==void 0&&(a.matrixAutoUpdate=e.matrixAutoUpdate),a.matrixAutoUpdate&&a.matrix.decompose(a.position,a.quaternion,a.scale)):(e.position!==void 0&&a.position.fromArray(e.position),e.rotation!==void 0&&a.rotation.fromArray(e.rotation),e.quaternion!==void 0&&a.quaternion.fromArray(e.quaternion),e.scale!==void 0&&a.scale.fromArray(e.scale)),e.castShadow!==void 0&&(a.castShadow=e.castShadow),e.receiveShadow!==void 0&&(a.receiveShadow=e.receiveShadow),e.shadow&&(e.shadow.bias!==void 0&&(a.shadow.bias=e.shadow.bias),e.shadow.normalBias!==void 0&&(a.shadow.normalBias=e.shadow.normalBias),e.shadow.radius!==void 0&&(a.shadow.radius=e.shadow.radius),e.shadow.mapSize!==void 0&&a.shadow.mapSize.fromArray(e.shadow.mapSize),e.shadow.camera!==void 0&&(a.shadow.camera=this.parseObject(e.shadow.camera))),e.visible!==void 0&&(a.visible=e.visible),e.frustumCulled!==void 0&&(a.frustumCulled=e.frustumCulled),e.renderOrder!==void 0&&(a.renderOrder=e.renderOrder),e.userData!==void 0&&(a.userData=e.userData),e.layers!==void 0&&(a.layers.mask=e.layers),e.children!==void 0){let d=e.children;for(let f=0;f<d.length;f++)a.add(this.parseObject(d[f],t,n,i,r))}if(e.animations!==void 0){let d=e.animations;for(let f=0;f<d.length;f++){let p=d[f];a.animations.push(r[p])}}if(e.type==="LOD"){e.autoUpdate!==void 0&&(a.autoUpdate=e.autoUpdate);let d=e.levels;for(let f=0;f<d.length;f++){let p=d[f],v=a.getObjectByProperty("uuid",p.object);v!==void 0&&a.addLevel(v,p.distance)}}return a}bindSkeletons(e,t){Object.keys(t).length!==0&&e.traverse(function(n){if(n.isSkinnedMesh===!0&&n.skeleton!==void 0){let i=t[n.skeleton];i===void 0?console.warn("THREE.ObjectLoader: No skeleton found with UUID:",n.skeleton):n.bind(i,n.bindMatrix)}})}setTexturePath(e){return console.warn("THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath()."),this.setResourcePath(e)}},ww={UVMapping:ga,CubeReflectionMapping:or,CubeRefractionMapping:lr,EquirectangularReflectionMapping:xs,EquirectangularRefractionMapping:ys,CubeUVReflectionMapping:cr,CubeUVRefractionMapping:ws},Xf={RepeatWrapping:bs,ClampToEdgeWrapping:Mt,MirroredRepeatWrapping:As},Qf={NearestFilter:mt,NearestMipmapNearestFilter:va,NearestMipmapLinearFilter:xa,LinearFilter:ke,LinearMipmapNearestFilter:vl,LinearMipmapLinearFilter:Si},Yc=class extends bt{constructor(e){super(e);typeof createImageBitmap=="undefined"&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),typeof fetch=="undefined"&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(e){return this.options=e,this}load(e,t,n,i){e===void 0&&(e=""),this.path!==void 0&&(e=this.path+e),e=this.manager.resolveURL(e);let r=this,a=Qi.get(e);if(a!==void 0)return r.manager.itemStart(e),setTimeout(function(){t&&t(a),r.manager.itemEnd(e)},0),a;let o={};o.credentials=this.crossOrigin==="anonymous"?"same-origin":"include",o.headers=this.requestHeader,fetch(e,o).then(function(l){return l.blob()}).then(function(l){return createImageBitmap(l,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(l){Qi.add(e,l),t&&t(l),r.manager.itemEnd(e)}).catch(function(l){i&&i(l),r.manager.itemError(e),r.manager.itemEnd(e)}),r.manager.itemStart(e)}};Yc.prototype.isImageBitmapLoader=!0;var jc=class{constructor(){this.type="ShapePath",this.color=new K,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new as,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,n,i){return this.currentPath.quadraticCurveTo(e,t,n,i),this}bezierCurveTo(e,t,n,i,r,a){return this.currentPath.bezierCurveTo(e,t,n,i,r,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e,t){function n(m){let y=[];for(let w=0,M=m.length;w<M;w++){let S=m[w],A=new kn;A.curves=S.curves,y.push(A)}return y}function i(m,y){let w=y.length,M=!1;for(let S=w-1,A=0;A<w;S=A++){let C=y[S],U=y[A],R=U.x-C.x,P=U.y-C.y;if(Math.abs(P)>Number.EPSILON){if(P<0&&(C=y[A],R=-R,U=y[S],P=-P),m.y<C.y||m.y>U.y)continue;if(m.y===C.y){if(m.x===C.x)return!0}else{let q=P*(m.x-C.x)-R*(m.y-C.y);if(q===0)return!0;if(q<0)continue;M=!M}}else{if(m.y!==C.y)continue;if(U.x<=m.x&&m.x<=C.x||C.x<=m.x&&m.x<=U.x)return!0}}return M}let r=gn.isClockWise,a=this.subPaths;if(a.length===0)return[];if(t===!0)return n(a);let o,l,c,u=[];if(a.length===1)return l=a[0],c=new kn,c.curves=l.curves,u.push(c),u;let h=!r(a[0].getPoints());h=e?!h:h;let d=[],f=[],p=[],v=0,x;f[v]=void 0,p[v]=[];for(let m=0,y=a.length;m<y;m++)l=a[m],x=l.getPoints(),o=r(x),o=e?!o:o,o?(!h&&f[v]&&v++,f[v]={s:new kn,p:x},f[v].s.curves=l.curves,h&&v++,p[v]=[]):p[v].push({h:l,p:x[0]});if(!f[0])return n(a);if(f.length>1){let m=!1,y=[];for(let w=0,M=f.length;w<M;w++)d[w]=[];for(let w=0,M=f.length;w<M;w++){let S=p[w];for(let A=0;A<S.length;A++){let C=S[A],U=!0;for(let R=0;R<f.length;R++)i(C.p,f[R].p)&&(w!==R&&y.push({froms:w,tos:R,hole:A}),U?(U=!1,d[R].push(C)):m=!0);U&&d[w].push(C)}}y.length>0&&(m||(p=d))}let g;for(let m=0,y=f.length;m<y;m++){c=f[m].s,u.push(c),g=p[m];for(let w=0,M=g.length;w<M;w++)c.holes.push(g[w].h)}return u}},Ho=class{constructor(e){this.type="Font",this.data=e}generateShapes(e,t=100){let n=[],i=bw(e,t,this.data);for(let r=0,a=i.length;r<a;r++)Array.prototype.push.apply(n,i[r].toShapes());return n}};function bw(s,e,t){let n=Array.from(s),i=e/t.resolution,r=(t.boundingBox.yMax-t.boundingBox.yMin+t.underlineThickness)*i,a=[],o=0,l=0;for(let c=0;c<n.length;c++){let u=n[c];if(u===`
-`)o=0,l-=r;else{let h=Aw(u,i,o,l,t);o+=h.offsetX,a.push(h.path)}}return a}function Aw(s,e,t,n,i){let r=i.glyphs[s]||i.glyphs["?"];if(!r){console.error('THREE.Font: character "'+s+'" does not exists in font family '+i.familyName+".");return}let a=new jc,o,l,c,u,h,d,f,p;if(r.o){let v=r._cachedOutline||(r._cachedOutline=r.o.split(" "));for(let x=0,g=v.length;x<g;)switch(v[x++]){case"m":o=v[x++]*e+t,l=v[x++]*e+n,a.moveTo(o,l);break;case"l":o=v[x++]*e+t,l=v[x++]*e+n,a.lineTo(o,l);break;case"q":c=v[x++]*e+t,u=v[x++]*e+n,h=v[x++]*e+t,d=v[x++]*e+n,a.quadraticCurveTo(h,d,c,u);break;case"b":c=v[x++]*e+t,u=v[x++]*e+n,h=v[x++]*e+t,d=v[x++]*e+n,f=v[x++]*e+t,p=v[x++]*e+n,a.bezierCurveTo(h,d,f,p,c,u);break}}return{offsetX:r.ha*e,path:a}}Ho.prototype.isFont=!0;var qf=class extends bt{constructor(e){super(e)}load(e,t,n,i){let r=this,a=new Yt(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(r.withCredentials),a.load(e,function(o){let l;try{l=JSON.parse(o)}catch(u){console.warn("THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead."),l=JSON.parse(o.substring(65,o.length-2))}let c=r.parse(l);t&&t(c)},n,i)}parse(e){return new Ho(e)}},zo,Xc={getContext:function(){return zo===void 0&&(zo=new(window.AudioContext||window.webkitAudioContext)),zo},setContext:function(s){zo=s}},Qc=class extends bt{constructor(e){super(e)}load(e,t,n,i){let r=this,a=new Yt(this.manager);a.setResponseType("arraybuffer"),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(o){try{let l=o.slice(0);Xc.getContext().decodeAudioData(l,function(u){t(u)})}catch(l){i?i(l):console.error(l),r.manager.itemError(e)}},n,i)}},qc=class extends cs{constructor(e,t,n=1){super(void 0,n);let i=new K().set(e),r=new K().set(t),a=new b(i.r,i.g,i.b),o=new b(r.r,r.g,r.b),l=Math.sqrt(Math.PI),c=l*Math.sqrt(.75);this.sh.coefficients[0].copy(a).add(o).multiplyScalar(l),this.sh.coefficients[1].copy(a).sub(o).multiplyScalar(c)}};qc.prototype.isHemisphereLightProbe=!0;var Zc=class extends cs{constructor(e,t=1){super(void 0,t);let n=new K().set(e);this.sh.coefficients[0].set(n.r,n.g,n.b).multiplyScalar(2*Math.sqrt(Math.PI))}};Zc.prototype.isAmbientLightProbe=!0;var Zf=new me,Jf=new me,Kf=class{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new nt,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new nt,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){let t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep;let i=e.projectionMatrix.clone(),r=t.eyeSep/2,a=r*t.near/t.focus,o=t.near*Math.tan(Bi*t.fov*.5)/t.zoom,l,c;Jf.elements[12]=-r,Zf.elements[12]=r,l=-o*t.aspect+a,c=o*t.aspect+a,i.elements[0]=2*t.near/(c-l),i.elements[8]=(c+l)/(c-l),this.cameraL.projectionMatrix.copy(i),l=-o*t.aspect-a,c=o*t.aspect-a,i.elements[0]=2*t.near/(c-l),i.elements[8]=(c+l)/(c-l),this.cameraR.projectionMatrix.copy(i)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(Jf),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(Zf)}},Jc=class{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=$f(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let e=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){let t=$f();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}};function $f(){return(typeof performance=="undefined"?Date:performance).now()}var qi=new b,ep=new ht,Mw=new b,Zi=new b,tp=class extends De{constructor(){super();this.type="AudioListener",this.context=Xc.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Jc}getInput(){return this.gain}removeFilter(){return this.filter!==null&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return this.filter!==null?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e);let t=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(qi,ep,Mw),Zi.set(0,0,-1).applyQuaternion(ep),t.positionX){let i=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(qi.x,i),t.positionY.linearRampToValueAtTime(qi.y,i),t.positionZ.linearRampToValueAtTime(qi.z,i),t.forwardX.linearRampToValueAtTime(Zi.x,i),t.forwardY.linearRampToValueAtTime(Zi.y,i),t.forwardZ.linearRampToValueAtTime(Zi.z,i),t.upX.linearRampToValueAtTime(n.x,i),t.upY.linearRampToValueAtTime(n.y,i),t.upZ.linearRampToValueAtTime(n.z,i)}else t.setPosition(qi.x,qi.y,qi.z),t.setOrientation(Zi.x,Zi.y,Zi.z,n.x,n.y,n.z)}},Go=class extends De{constructor(e){super();this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(this.isPlaying===!0){console.warn("THREE.Audio: Audio is already playing.");return}if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}this._startedAt=this.context.currentTime+e;let t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.isPlaying===!0&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,this.loop===!0&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this._progress=0,this.source.stop(),this.source.onended=null,this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}getFilters(){return this.filters}setFilters(e){return e||(e=[]),this._connected===!0?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}setDetune(e){if(this.detune=e,this.source.detune!==void 0)return this.isPlaying===!0&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(e){return this.setFilters(e?[e]:[])}setPlaybackRate(e){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.playbackRate=e,this.isPlaying===!0&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1}getLoop(){return this.hasPlaybackControl===!1?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop}setLoop(e){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.loop=e,this.isPlaying===!0&&(this.source.loop=this.loop),this}setLoopStart(e){return this.loopStart=e,this}setLoopEnd(e){return this.loopEnd=e,this}getVolume(){return this.gain.gain.value}setVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}},Ji=new b,np=new ht,Ew=new b,Ki=new b,ip=class extends Go{constructor(e){super(e);this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(e){return this.panner.refDistance=e,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(e){return this.panner.rolloffFactor=e,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(e){return this.panner.distanceModel=e,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(e){return this.panner.maxDistance=e,this}setDirectionalCone(e,t,n){return this.panner.coneInnerAngle=e,this.panner.coneOuterAngle=t,this.panner.coneOuterGain=n,this}updateMatrixWorld(e){if(super.updateMatrixWorld(e),this.hasPlaybackControl===!0&&this.isPlaying===!1)return;this.matrixWorld.decompose(Ji,np,Ew),Ki.set(0,0,1).applyQuaternion(np);let t=this.panner;if(t.positionX){let n=this.context.currentTime+this.listener.timeDelta;t.positionX.linearRampToValueAtTime(Ji.x,n),t.positionY.linearRampToValueAtTime(Ji.y,n),t.positionZ.linearRampToValueAtTime(Ji.z,n),t.orientationX.linearRampToValueAtTime(Ki.x,n),t.orientationY.linearRampToValueAtTime(Ki.y,n),t.orientationZ.linearRampToValueAtTime(Ki.z,n)}else t.setPosition(Ji.x,Ji.y,Ji.z),t.setOrientation(Ki.x,Ki.y,Ki.z)}},Kc=class{constructor(e,t=2048){this.analyser=e.context.createAnalyser(),this.analyser.fftSize=t,this.data=new Uint8Array(this.analyser.frequencyBinCount),e.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let e=0,t=this.getFrequencyData();for(let n=0;n<t.length;n++)e+=t[n];return e/t.length}},$c=class{constructor(e,t,n){this.binding=e,this.valueSize=n;let i,r,a;switch(t){case"quaternion":i=this._slerp,r=this._slerpAdditive,a=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(n*6),this._workIndex=5;break;case"string":case"bool":i=this._select,r=this._select,a=this._setAdditiveIdentityOther,this.buffer=new Array(n*5);break;default:i=this._lerp,r=this._lerpAdditive,a=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(n*5)}this._mixBufferRegion=i,this._mixBufferRegionAdditive=r,this._setIdentity=a,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(e,t){let n=this.buffer,i=this.valueSize,r=e*i+i,a=this.cumulativeWeight;if(a===0){for(let o=0;o!==i;++o)n[r+o]=n[o];a=t}else{a+=t;let o=t/a;this._mixBufferRegion(n,r,0,o,i)}this.cumulativeWeight=a}accumulateAdditive(e){let t=this.buffer,n=this.valueSize,i=n*this._addIndex;this.cumulativeWeightAdditive===0&&this._setIdentity(),this._mixBufferRegionAdditive(t,i,0,e,n),this.cumulativeWeightAdditive+=e}apply(e){let t=this.valueSize,n=this.buffer,i=e*t+t,r=this.cumulativeWeight,a=this.cumulativeWeightAdditive,o=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){let l=t*this._origIndex;this._mixBufferRegion(n,i,l,1-r,t)}a>0&&this._mixBufferRegionAdditive(n,i,this._addIndex*t,1,t);for(let l=t,c=t+t;l!==c;++l)if(n[l]!==n[l+t]){o.setValue(n,i);break}}saveOriginalState(){let e=this.binding,t=this.buffer,n=this.valueSize,i=n*this._origIndex;e.getValue(t,i);for(let r=n,a=i;r!==a;++r)t[r]=t[i+r%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let n=e;n<t;n++)this.buffer[n]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){let e=this._origIndex*this.valueSize,t=this._addIndex*this.valueSize;for(let n=0;n<this.valueSize;n++)this.buffer[t+n]=this.buffer[e+n]}_select(e,t,n,i,r){if(i>=.5)for(let a=0;a!==r;++a)e[t+a]=e[n+a]}_slerp(e,t,n,i){ht.slerpFlat(e,t,e,t,e,n,i)}_slerpAdditive(e,t,n,i,r){let a=this._workIndex*r;ht.multiplyQuaternionsFlat(e,a,e,t,e,n),ht.slerpFlat(e,t,e,t,e,a,i)}_lerp(e,t,n,i,r){let a=1-i;for(let o=0;o!==r;++o){let l=t+o;e[l]=e[l]*a+e[n+o]*i}}_lerpAdditive(e,t,n,i,r){for(let a=0;a!==r;++a){let o=t+a;e[o]=e[o]+e[n+a]*i}}},eu="\\[\\]\\.:\\/",_w=new RegExp("["+eu+"]","g"),tu="[^"+eu+"]",Tw="[^"+eu.replace("\\.","")+"]",Sw=/((?:WC+[\/:])*)/.source.replace("WC",tu),Cw=/(WCOD+)?/.source.replace("WCOD",Tw),Pw=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",tu),Rw=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",tu),Dw=new RegExp("^"+Sw+Cw+Pw+Rw+"$"),Lw=["material","materials","bones"],rp=class{constructor(e,t,n){let i=n||Ge.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}getValue(e,t){this.bind();let n=this._targetGroup.nCachedObjects_,i=this._bindings[n];i!==void 0&&i.getValue(e,t)}setValue(e,t){let n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,r=n.length;i!==r;++i)n[i].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}},Ge=class{constructor(e,t,n){this.path=t,this.parsedPath=n||Ge.parseTrackName(t),this.node=Ge.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,n){return e&&e.isAnimationObjectGroup?new Ge.Composite(e,t,n):new Ge(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(_w,"")}static parseTrackName(e){let t=Dw.exec(e);if(!t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);let n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(i!==void 0&&i!==-1){let r=n.nodeName.substring(i+1);Lw.indexOf(r)!==-1&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=r)}if(n.propertyName===null||n.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n}static findNode(e,t){if(!t||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let n=e.skeleton.getBoneByName(t);if(n!==void 0)return n}if(e.children){let n=function(r){for(let a=0;a<r.length;a++){let o=r[a];if(o.name===t||o.uuid===t)return o;let l=n(o.children);if(l)return l}return null},i=n(e.children);if(i)return i}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.targetObject[this.propertyName]}_getValue_array(e,t){let n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)e[t++]=n[i]}_getValue_arrayElement(e,t){e[t]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(e,t){this.resolvedProperty.toArray(e,t)}_setValue_direct(e,t){this.targetObject[this.propertyName]=e[t]}_setValue_direct_setNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(e,t){let n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++]}_setValue_array_setNeedsUpdate(e,t){let n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){let n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(e,t){this.resolvedProperty[this.propertyIndex]=e[t]}_setValue_arrayElement_setNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(e,t){this.resolvedProperty.fromArray(e,t)}_setValue_fromArray_setNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(e,t){this.bind(),this.getValue(e,t)}_setValue_unbound(e,t){this.bind(),this.setValue(e,t)}bind(){let e=this.node,t=this.parsedPath,n=t.objectName,i=t.propertyName,r=t.propertyIndex;if(e||(e=Ge.findNode(this.rootNode,t.nodeName)||this.rootNode,this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e){console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.");return}if(n){let c=t.objectIndex;switch(n){case"materials":if(!e.material){console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);return}if(!e.material.materials){console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);return}e=e.material.materials;break;case"bones":if(!e.skeleton){console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);return}e=e.skeleton.bones;for(let u=0;u<e.length;u++)if(e[u].name===c){c=u;break}break;default:if(e[n]===void 0){console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);return}e=e[n]}if(c!==void 0){if(e[c]===void 0){console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);return}e=e[c]}}let a=e[i];if(a===void 0){let c=t.nodeName;console.error("THREE.PropertyBinding: Trying to update property for track: "+c+"."+i+" but it wasn't found.",e);return}let o=this.Versioning.None;this.targetObject=e,e.needsUpdate!==void 0?o=this.Versioning.NeedsUpdate:e.matrixWorldNeedsUpdate!==void 0&&(o=this.Versioning.MatrixWorldNeedsUpdate);let l=this.BindingType.Direct;if(r!==void 0){if(i==="morphTargetInfluences"){if(!e.geometry){console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);return}if(e.geometry.isBufferGeometry){if(!e.geometry.morphAttributes){console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);return}e.morphTargetDictionary[r]!==void 0&&(r=e.morphTargetDictionary[r])}else{console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.",this);return}}l=this.BindingType.ArrayElement,this.resolvedProperty=a,this.propertyIndex=r}else a.fromArray!==void 0&&a.toArray!==void 0?(l=this.BindingType.HasFromToArray,this.resolvedProperty=a):Array.isArray(a)?(l=this.BindingType.EntireArray,this.resolvedProperty=a):this.propertyName=i;this.getValue=this.GetterByBindingType[l],this.setValue=this.SetterByBindingTypeAndVersioning[l][o]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}};Ge.Composite=rp;Ge.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3};Ge.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2};Ge.prototype.GetterByBindingType=[Ge.prototype._getValue_direct,Ge.prototype._getValue_array,Ge.prototype._getValue_arrayElement,Ge.prototype._getValue_toArray];Ge.prototype.SetterByBindingTypeAndVersioning=[[Ge.prototype._setValue_direct,Ge.prototype._setValue_direct_setNeedsUpdate,Ge.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[Ge.prototype._setValue_array,Ge.prototype._setValue_array_setNeedsUpdate,Ge.prototype._setValue_array_setMatrixWorldNeedsUpdate],[Ge.prototype._setValue_arrayElement,Ge.prototype._setValue_arrayElement_setNeedsUpdate,Ge.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[Ge.prototype._setValue_fromArray,Ge.prototype._setValue_fromArray_setNeedsUpdate,Ge.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];var nu=class{constructor(){this.uuid=jt(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;let e={};this._indicesByUUID=e;for(let n=0,i=arguments.length;n!==i;++n)e[arguments[n].uuid]=n;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};let t=this;this.stats={objects:{get total(){return t._objects.length},get inUse(){return this.total-t.nCachedObjects_}},get bindingsPerObject(){return t._bindings.length}}}add(){let e=this._objects,t=this._indicesByUUID,n=this._paths,i=this._parsedPaths,r=this._bindings,a=r.length,o,l=e.length,c=this.nCachedObjects_;for(let u=0,h=arguments.length;u!==h;++u){let d=arguments[u],f=d.uuid,p=t[f];if(p===void 0){p=l++,t[f]=p,e.push(d);for(let v=0,x=a;v!==x;++v)r[v].push(new Ge(d,n[v],i[v]))}else if(p<c){o=e[p];let v=--c,x=e[v];t[x.uuid]=p,e[p]=x,t[f]=v,e[v]=d;for(let g=0,m=a;g!==m;++g){let y=r[g],w=y[v],M=y[p];y[p]=w,M===void 0&&(M=new Ge(d,n[g],i[g])),y[v]=M}}else e[p]!==o&&console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=c}remove(){let e=this._objects,t=this._indicesByUUID,n=this._bindings,i=n.length,r=this.nCachedObjects_;for(let a=0,o=arguments.length;a!==o;++a){let l=arguments[a],c=l.uuid,u=t[c];if(u!==void 0&&u>=r){let h=r++,d=e[h];t[d.uuid]=u,e[u]=d,t[c]=h,e[h]=l;for(let f=0,p=i;f!==p;++f){let v=n[f],x=v[h],g=v[u];v[u]=x,v[h]=g}}}this.nCachedObjects_=r}uncache(){let e=this._objects,t=this._indicesByUUID,n=this._bindings,i=n.length,r=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){let c=arguments[o],u=c.uuid,h=t[u];if(h!==void 0)if(delete t[u],h<r){let d=--r,f=e[d],p=--a,v=e[p];t[f.uuid]=h,e[h]=f,t[v.uuid]=d,e[d]=v,e.pop();for(let x=0,g=i;x!==g;++x){let m=n[x],y=m[d],w=m[p];m[h]=y,m[d]=w,m.pop()}}else{let d=--a,f=e[d];d>0&&(t[f.uuid]=h),e[h]=f,e.pop();for(let p=0,v=i;p!==v;++p){let x=n[p];x[h]=x[d],x.pop()}}}this.nCachedObjects_=r}subscribe_(e,t){let n=this._bindingsIndicesByPath,i=n[e],r=this._bindings;if(i!==void 0)return r[i];let a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,u=this.nCachedObjects_,h=new Array(c);i=r.length,n[e]=i,a.push(e),o.push(t),r.push(h);for(let d=u,f=l.length;d!==f;++d){let p=l[d];h[d]=new Ge(p,e,t)}return h}unsubscribe_(e){let t=this._bindingsIndicesByPath,n=t[e];if(n!==void 0){let i=this._paths,r=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=n,a[n]=l,a.pop(),r[n]=r[o],r.pop(),i[n]=i[o],i.pop()}}};nu.prototype.isAnimationObjectGroup=!0;var sp=class{constructor(e,t,n=null,i=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=n,this.blendMode=i;let r=t.tracks,a=r.length,o=new Array(a),l={endingStart:Di,endingEnd:Di};for(let c=0;c!==a;++c){let u=r[c].createInterpolant(null);o[c]=u,u.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=cd,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,n){if(e.fadeOut(t),this.fadeIn(t),n){let i=this._clip.duration,r=e._clip.duration,a=r/i,o=i/r;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,n){return e.crossFadeFrom(this,t,n)}stopFading(){let e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,n){let i=this._mixer,r=i.time,a=this.timeScale,o=this._timeScaleInterpolant;o===null&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);let l=o.parameterPositions,c=o.sampleValues;return l[0]=r,l[1]=r+n,c[0]=e/a,c[1]=t/a,this}stopWarping(){let e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,n,i){if(!this.enabled){this._updateWeight(e);return}let r=this._startTime;if(r!==null){let l=(e-r)*n;if(l<0||n===0)return;this._startTime=null,t=n*l}t*=this._updateTimeScale(e);let a=this._updateTime(t),o=this._updateWeight(e);if(o>0){let l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case Cl:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulateAdditive(o);break;case ba:default:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulate(i,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;let n=this._weightInterpolant;if(n!==null){let i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopFading(),i===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;let n=this._timeScaleInterpolant;n!==null&&(t*=n.evaluate(e)[0],e>n.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){let t=this._clip.duration,n=this.loop,i=this.time+e,r=this._loopCount,a=n===ud;if(e===0)return r===-1?i:a&&(r&1)==1?t-i:i;if(n===ld){r===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(i>=t)i=t;else if(i<0)i=0;else{this.time=i;break e}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(r===-1&&(e>=0?(r=0,this._setEndings(!0,this.repetitions===0,a)):this._setEndings(this.repetitions===0,!0,a)),i>=t||i<0){let o=Math.floor(i/t);i-=t*o,r+=Math.abs(o);let l=this.repetitions-r;if(l<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=e>0?t:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(l===1){let c=e<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=i;if(a&&(r&1)==1)return t-i}return i}_setEndings(e,t,n){let i=this._interpolantSettings;n?(i.endingStart=Li,i.endingEnd=Li):(e?i.endingStart=this.zeroSlopeAtStart?Li:Di:i.endingStart=Ts,t?i.endingEnd=this.zeroSlopeAtEnd?Li:Di:i.endingEnd=Ts)}_scheduleFading(e,t,n){let i=this._mixer,r=i.time,a=this._weightInterpolant;a===null&&(a=i._lendControlInterpolant(),this._weightInterpolant=a);let o=a.parameterPositions,l=a.sampleValues;return o[0]=r,l[0]=t,o[1]=r+e,l[1]=n,this}},iu=class extends Ht{constructor(e){super();this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){let n=e._localRoot||this._root,i=e._clip.tracks,r=i.length,a=e._propertyBindings,o=e._interpolants,l=n.uuid,c=this._bindingsByRootAndName,u=c[l];u===void 0&&(u={},c[l]=u);for(let h=0;h!==r;++h){let d=i[h],f=d.name,p=u[f];if(p!==void 0)a[h]=p;else{if(p=a[h],p!==void 0){p._cacheIndex===null&&(++p.referenceCount,this._addInactiveBinding(p,l,f));continue}let v=t&&t._propertyBindings[h].binding.parsedPath;p=new $c(Ge.create(n,f,v),d.ValueTypeName,d.getValueSize()),++p.referenceCount,this._addInactiveBinding(p,l,f),a[h]=p}o[h].resultBuffer=p.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(e._cacheIndex===null){let n=(e._localRoot||this._root).uuid,i=e._clip.uuid,r=this._actionsByClip[i];this._bindAction(e,r&&r.knownActions[0]),this._addInactiveAction(e,i,n)}let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let r=t[n];r.useCount++==0&&(this._lendBinding(r),r.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let r=t[n];--r.useCount==0&&(r.restoreOriginalState(),this._takeBackBinding(r))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;let e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){let t=e._cacheIndex;return t!==null&&t<this._nActiveActions}_addInactiveAction(e,t,n){let i=this._actions,r=this._actionsByClip,a=r[t];if(a===void 0)a={knownActions:[e],actionByRoot:{}},e._byClipCacheIndex=0,r[t]=a;else{let o=a.knownActions;e._byClipCacheIndex=o.length,o.push(e)}e._cacheIndex=i.length,i.push(e),a.actionByRoot[n]=e}_removeInactiveAction(e){let t=this._actions,n=t[t.length-1],i=e._cacheIndex;n._cacheIndex=i,t[i]=n,t.pop(),e._cacheIndex=null;let r=e._clip.uuid,a=this._actionsByClip,o=a[r],l=o.knownActions,c=l[l.length-1],u=e._byClipCacheIndex;c._byClipCacheIndex=u,l[u]=c,l.pop(),e._byClipCacheIndex=null;let h=o.actionByRoot,d=(e._localRoot||this._root).uuid;delete h[d],l.length===0&&delete a[r],this._removeInactiveBindingsForAction(e)}_removeInactiveBindingsForAction(e){let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let r=t[n];--r.referenceCount==0&&this._removeInactiveBinding(r)}}_lendAction(e){let t=this._actions,n=e._cacheIndex,i=this._nActiveActions++,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_takeBackAction(e){let t=this._actions,n=e._cacheIndex,i=--this._nActiveActions,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_addInactiveBinding(e,t,n){let i=this._bindingsByRootAndName,r=this._bindings,a=i[t];a===void 0&&(a={},i[t]=a),a[n]=e,e._cacheIndex=r.length,r.push(e)}_removeInactiveBinding(e){let t=this._bindings,n=e.binding,i=n.rootNode.uuid,r=n.path,a=this._bindingsByRootAndName,o=a[i],l=t[t.length-1],c=e._cacheIndex;l._cacheIndex=c,t[c]=l,t.pop(),delete o[r],Object.keys(o).length===0&&delete a[i]}_lendBinding(e){let t=this._bindings,n=e._cacheIndex,i=this._nActiveBindings++,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_takeBackBinding(e){let t=this._bindings,n=e._cacheIndex,i=--this._nActiveBindings,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_lendControlInterpolant(){let e=this._controlInterpolants,t=this._nActiveControlInterpolants++,n=e[t];return n===void 0&&(n=new Ro(new Float32Array(2),new Float32Array(2),1,this._controlInterpolantsResultBuffer),n.__cacheIndex=t,e[t]=n),n}_takeBackControlInterpolant(e){let t=this._controlInterpolants,n=e.__cacheIndex,i=--this._nActiveControlInterpolants,r=t[i];e.__cacheIndex=i,t[i]=e,r.__cacheIndex=n,t[n]=r}clipAction(e,t,n){let i=t||this._root,r=i.uuid,a=typeof e=="string"?is.findByName(i,e):e,o=a!==null?a.uuid:e,l=this._actionsByClip[o],c=null;if(n===void 0&&(a!==null?n=a.blendMode:n=ba),l!==void 0){let h=l.actionByRoot[r];if(h!==void 0&&h.blendMode===n)return h;c=l.knownActions[0],a===null&&(a=c._clip)}if(a===null)return null;let u=new sp(this,a,t,n);return this._bindAction(u,c),this._addInactiveAction(u,o,r),u}existingAction(e,t){let n=t||this._root,i=n.uuid,r=typeof e=="string"?is.findByName(n,e):e,a=r?r.uuid:e,o=this._actionsByClip[a];return o!==void 0&&o.actionByRoot[i]||null}stopAllAction(){let e=this._actions,t=this._nActiveActions;for(let n=t-1;n>=0;--n)e[n].stop();return this}update(e){e*=this.timeScale;let t=this._actions,n=this._nActiveActions,i=this.time+=e,r=Math.sign(e),a=this._accuIndex^=1;for(let c=0;c!==n;++c)t[c]._update(i,e,r,a);let o=this._bindings,l=this._nActiveBindings;for(let c=0;c!==l;++c)o[c].apply(a);return this}setTime(e){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(e)}getRoot(){return this._root}uncacheClip(e){let t=this._actions,n=e.uuid,i=this._actionsByClip,r=i[n];if(r!==void 0){let a=r.knownActions;for(let o=0,l=a.length;o!==l;++o){let c=a[o];this._deactivateAction(c);let u=c._cacheIndex,h=t[t.length-1];c._cacheIndex=null,c._byClipCacheIndex=null,h._cacheIndex=u,t[u]=h,t.pop(),this._removeInactiveBindingsForAction(c)}delete i[n]}}uncacheRoot(e){let t=e.uuid,n=this._actionsByClip;for(let a in n){let o=n[a].actionByRoot,l=o[t];l!==void 0&&(this._deactivateAction(l),this._removeInactiveAction(l))}let i=this._bindingsByRootAndName,r=i[t];if(r!==void 0)for(let a in r){let o=r[a];o.restoreOriginalState(),this._removeInactiveBinding(o)}}uncacheAction(e,t){let n=this.existingAction(e,t);n!==null&&(this._deactivateAction(n),this._removeInactiveAction(n))}};iu.prototype._controlInterpolantsResultBuffer=new Float32Array(1);var He=class{constructor(e){typeof e=="string"&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),e=arguments[1]),this.value=e}clone(){return new He(this.value.clone===void 0?this.value:this.value.clone())}},ru=class extends hi{constructor(e,t,n=1){super(e,t);this.meshPerAttribute=n}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}clone(e){let t=super.clone(e);return t.meshPerAttribute=this.meshPerAttribute,t}toJSON(e){let t=super.toJSON(e);return t.isInstancedInterleavedBuffer=!0,t.meshPerAttribute=this.meshPerAttribute,t}};ru.prototype.isInstancedInterleavedBuffer=!0;var su=class{constructor(e,t,n,i,r){this.buffer=e,this.type=t,this.itemSize=n,this.elementSize=i,this.count=r,this.version=0}set needsUpdate(e){e===!0&&this.version++}setBuffer(e){return this.buffer=e,this}setType(e,t){return this.type=e,this.elementSize=t,this}setItemSize(e){return this.itemSize=e,this}setCount(e){return this.count=e,this}};su.prototype.isGLBufferAttribute=!0;var ap=class{constructor(e,t,n=0,i=1/0){this.ray=new Fn(e,t),this.near=n,this.far=i,this.camera=null,this.layers=new Da,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(e,t){this.ray.set(e,t)}setFromCamera(e,t){t&&t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t&&t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,(t.near+t.far)/(t.near-t.far)).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):console.error("THREE.Raycaster: Unsupported camera type: "+t.type)}intersectObject(e,t=!1,n=[]){return au(e,this,n,t),n.sort(op),n}intersectObjects(e,t=!1,n=[]){for(let i=0,r=e.length;i<r;i++)au(e[i],this,n,t);return n.sort(op),n}};function op(s,e){return s.distance-e.distance}function au(s,e,t,n){if(s.layers.test(e.layers)&&s.raycast(e,t),n===!0){let i=s.children;for(let r=0,a=i.length;r<a;r++)au(i[r],e,t,!0)}}var oa=class{constructor(e=1,t=0,n=0){return this.radius=e,this.phi=t,this.theta=n,this}set(e,t,n){return this.radius=e,this.phi=t,this.theta=n,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makeSafe(){let e=1e-6;return this.phi=Math.max(e,Math.min(Math.PI-e,this.phi)),this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,n){return this.radius=Math.sqrt(e*e+t*t+n*n),this.radius===0?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e,n),this.phi=Math.acos(Dt(t/this.radius,-1,1))),this}clone(){return new this.constructor().copy(this)}},lp=class{constructor(e=1,t=0,n=0){return this.radius=e,this.theta=t,this.y=n,this}set(e,t,n){return this.radius=e,this.theta=t,this.y=n,this}copy(e){return this.radius=e.radius,this.theta=e.theta,this.y=e.y,this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,n){return this.radius=Math.sqrt(e*e+n*n),this.theta=Math.atan2(e,n),this.y=t,this}clone(){return new this.constructor().copy(this)}},cp=new z,$i=class{constructor(e=new z(1/0,1/0),t=new z(-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let n=cp.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(e){return this.isEmpty()?e.set(0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y)}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return cp.copy(e).clamp(this.min,this.max).sub(e).length()}intersect(e){return this.min.max(e.min),this.max.min(e.max),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}};$i.prototype.isBox2=!0;var up=new b,ko=new b,ou=class{constructor(e=new b,t=new b){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){up.subVectors(e,this.start),ko.subVectors(this.end,this.start);let n=ko.dot(ko),r=ko.dot(up)/n;return t&&(r=Dt(r,0,1)),r}closestPointToPoint(e,t,n){let i=this.closestPointToPointParameter(e,t);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}},lu=class extends De{constructor(e){super();this.material=e,this.render=function(){},this.hasPositions=!1,this.hasNormals=!1,this.hasColors=!1,this.hasUvs=!1,this.positionArray=null,this.normalArray=null,this.colorArray=null,this.uvArray=null,this.count=0}};lu.prototype.isImmediateRenderObject=!0;var hp=new b,dp=class extends De{constructor(e,t){super();this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=t;let n=new le,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let a=0,o=1,l=32;a<l;a++,o++){let c=a/l*Math.PI*2,u=o/l*Math.PI*2;i.push(Math.cos(c),Math.sin(c),1,Math.cos(u),Math.sin(u),1)}n.setAttribute("position",new ae(i,3));let r=new Ze({fog:!1,toneMapped:!1});this.cone=new yt(n,r),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateMatrixWorld();let e=this.light.distance?this.light.distance:1e3,t=e*Math.tan(this.light.angle);this.cone.scale.set(t,t,e),hp.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(hp),this.color!==void 0?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}},xi=new b,Vo=new me,cu=new me,uu=class extends yt{constructor(e){let t=fp(e),n=new le,i=[],r=[],a=new K(0,0,1),o=new K(0,1,0);for(let c=0;c<t.length;c++){let u=t[c];u.parent&&u.parent.isBone&&(i.push(0,0,0),i.push(0,0,0),r.push(a.r,a.g,a.b),r.push(o.r,o.g,o.b))}n.setAttribute("position",new ae(i,3)),n.setAttribute("color",new ae(r,3));let l=new Ze({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0});super(n,l);this.type="SkeletonHelper",this.isSkeletonHelper=!0,this.root=e,this.bones=t,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1}updateMatrixWorld(e){let t=this.bones,n=this.geometry,i=n.getAttribute("position");cu.copy(this.root.matrixWorld).invert();for(let r=0,a=0;r<t.length;r++){let o=t[r];o.parent&&o.parent.isBone&&(Vo.multiplyMatrices(cu,o.matrixWorld),xi.setFromMatrixPosition(Vo),i.setXYZ(a,xi.x,xi.y,xi.z),Vo.multiplyMatrices(cu,o.parent.matrixWorld),xi.setFromMatrixPosition(Vo),i.setXYZ(a+1,xi.x,xi.y,xi.z),a+=2)}n.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(e)}};function fp(s){let e=[];s&&s.isBone&&e.push(s);for(let t=0;t<s.children.length;t++)e.push.apply(e,fp(s.children[t]));return e}var pp=class extends ze{constructor(e,t,n){let i=new tn(t,4,2),r=new zt({wireframe:!0,fog:!1,toneMapped:!1});super(i,r);this.light=e,this.light.updateMatrixWorld(),this.color=n,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.color!==void 0?this.material.color.set(this.color):this.material.color.copy(this.light.color)}},Iw=new b,mp=new K,gp=new K,vp=class extends De{constructor(e,t,n){super();this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n;let i=new Wi(t);i.rotateY(Math.PI*.5),this.material=new zt({wireframe:!0,fog:!1,toneMapped:!1}),this.color===void 0&&(this.material.vertexColors=!0);let r=i.getAttribute("position"),a=new Float32Array(r.count*3);i.setAttribute("color",new de(a,3)),this.add(new ze(i,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){let e=this.children[0];if(this.color!==void 0)this.material.color.set(this.color);else{let t=e.geometry.getAttribute("color");mp.copy(this.light.color),gp.copy(this.light.groundColor);for(let n=0,i=t.count;n<i;n++){let r=n<i/2?mp:gp;t.setXYZ(n,r.r,r.g,r.b)}t.needsUpdate=!0}e.lookAt(Iw.setFromMatrixPosition(this.light.matrixWorld).negate())}},er=class extends yt{constructor(e=10,t=10,n=4473924,i=8947848){n=new K(n),i=new K(i);let r=t/2,a=e/t,o=e/2,l=[],c=[];for(let d=0,f=0,p=-o;d<=t;d++,p+=a){l.push(-o,0,p,o,0,p),l.push(p,0,-o,p,0,o);let v=d===r?n:i;v.toArray(c,f),f+=3,v.toArray(c,f),f+=3,v.toArray(c,f),f+=3,v.toArray(c,f),f+=3}let u=new le;u.setAttribute("position",new ae(l,3)),u.setAttribute("color",new ae(c,3));let h=new Ze({vertexColors:!0,toneMapped:!1});super(u,h);this.type="GridHelper"}},xp=class extends yt{constructor(e=10,t=16,n=8,i=64,r=4473924,a=8947848){r=new K(r),a=new K(a);let o=[],l=[];for(let h=0;h<=t;h++){let d=h/t*(Math.PI*2),f=Math.sin(d)*e,p=Math.cos(d)*e;o.push(0,0,0),o.push(f,0,p);let v=h&1?r:a;l.push(v.r,v.g,v.b),l.push(v.r,v.g,v.b)}for(let h=0;h<=n;h++){let d=h&1?r:a,f=e-e/n*h;for(let p=0;p<i;p++){let v=p/i*(Math.PI*2),x=Math.sin(v)*f,g=Math.cos(v)*f;o.push(x,0,g),l.push(d.r,d.g,d.b),v=(p+1)/i*(Math.PI*2),x=Math.sin(v)*f,g=Math.cos(v)*f,o.push(x,0,g),l.push(d.r,d.g,d.b)}}let c=new le;c.setAttribute("position",new ae(o,3)),c.setAttribute("color",new ae(l,3));let u=new Ze({vertexColors:!0,toneMapped:!1});super(c,u);this.type="PolarGridHelper"}},yp=new b,Wo=new b,wp=new b,bp=class extends De{constructor(e,t,n){super();this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,t===void 0&&(t=1);let i=new le;i.setAttribute("position",new ae([-t,t,0,t,t,0,t,-t,0,-t,-t,0,-t,t,0],3));let r=new Ze({fog:!1,toneMapped:!1});this.lightPlane=new Vt(i,r),this.add(this.lightPlane),i=new le,i.setAttribute("position",new ae([0,0,0,0,0,1],3)),this.targetLine=new Vt(i,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){yp.setFromMatrixPosition(this.light.matrixWorld),Wo.setFromMatrixPosition(this.light.target.matrixWorld),wp.subVectors(Wo,yp),this.lightPlane.lookAt(Wo),this.color!==void 0?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(Wo),this.targetLine.scale.z=wp.length()}},Yo=new b,ot=new li,Ap=class extends yt{constructor(e){let t=new le,n=new Ze({color:16777215,vertexColors:!0,toneMapped:!1}),i=[],r=[],a={},o=new K(16755200),l=new K(16711680),c=new K(43775),u=new K(16777215),h=new K(3355443);d("n1","n2",o),d("n2","n4",o),d("n4","n3",o),d("n3","n1",o),d("f1","f2",o),d("f2","f4",o),d("f4","f3",o),d("f3","f1",o),d("n1","f1",o),d("n2","f2",o),d("n3","f3",o),d("n4","f4",o),d("p","n1",l),d("p","n2",l),d("p","n3",l),d("p","n4",l),d("u1","u2",c),d("u2","u3",c),d("u3","u1",c),d("c","t",u),d("p","c",h),d("cn1","cn2",h),d("cn3","cn4",h),d("cf1","cf2",h),d("cf3","cf4",h);function d(p,v,x){f(p,x),f(v,x)}function f(p,v){i.push(0,0,0),r.push(v.r,v.g,v.b),a[p]===void 0&&(a[p]=[]),a[p].push(i.length/3-1)}t.setAttribute("position",new ae(i,3)),t.setAttribute("color",new ae(r,3));super(t,n);this.type="CameraHelper",this.camera=e,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=a,this.update()}update(){let e=this.geometry,t=this.pointMap,n=1,i=1;ot.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),ft("c",t,e,ot,0,0,-1),ft("t",t,e,ot,0,0,1),ft("n1",t,e,ot,-n,-i,-1),ft("n2",t,e,ot,n,-i,-1),ft("n3",t,e,ot,-n,i,-1),ft("n4",t,e,ot,n,i,-1),ft("f1",t,e,ot,-n,-i,1),ft("f2",t,e,ot,n,-i,1),ft("f3",t,e,ot,-n,i,1),ft("f4",t,e,ot,n,i,1),ft("u1",t,e,ot,n*.7,i*1.1,-1),ft("u2",t,e,ot,-n*.7,i*1.1,-1),ft("u3",t,e,ot,0,i*2,-1),ft("cf1",t,e,ot,-n,0,1),ft("cf2",t,e,ot,n,0,1),ft("cf3",t,e,ot,0,-i,1),ft("cf4",t,e,ot,0,i,1),ft("cn1",t,e,ot,-n,0,-1),ft("cn2",t,e,ot,n,0,-1),ft("cn3",t,e,ot,0,-i,-1),ft("cn4",t,e,ot,0,i,-1),e.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}};function ft(s,e,t,n,i,r,a){Yo.set(i,r,a).unproject(n);let o=e[s];if(o!==void 0){let l=t.getAttribute("position");for(let c=0,u=o.length;c<u;c++)l.setXYZ(o[c],Yo.x,Yo.y,Yo.z)}}var jo=new It,hu=class extends yt{constructor(e,t=16776960){let n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=new Float32Array(8*3),r=new le;r.setIndex(new de(n,1)),r.setAttribute("position",new de(i,3));super(r,new Ze({color:t,toneMapped:!1}));this.object=e,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(e){if(e!==void 0&&console.warn("THREE.BoxHelper: .update() has no longer arguments."),this.object!==void 0&&jo.setFromObject(this.object),jo.isEmpty())return;let t=jo.min,n=jo.max,i=this.geometry.attributes.position,r=i.array;r[0]=n.x,r[1]=n.y,r[2]=n.z,r[3]=t.x,r[4]=n.y,r[5]=n.z,r[6]=t.x,r[7]=t.y,r[8]=n.z,r[9]=n.x,r[10]=t.y,r[11]=n.z,r[12]=n.x,r[13]=n.y,r[14]=t.z,r[15]=t.x,r[16]=n.y,r[17]=t.z,r[18]=t.x,r[19]=t.y,r[20]=t.z,r[21]=n.x,r[22]=t.y,r[23]=t.z,i.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(e){return this.object=e,this.update(),this}copy(e){return yt.prototype.copy.call(this,e),this.object=e.object,this}},Mp=class extends yt{constructor(e,t=16776960){let n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],r=new le;r.setIndex(new de(n,1)),r.setAttribute("position",new ae(i,3));super(r,new Ze({color:t,toneMapped:!1}));this.box=e,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(e){let t=this.box;t.isEmpty()||(t.getCenter(this.position),t.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(e))}},Ep=class extends Vt{constructor(e,t=1,n=16776960){let i=n,r=[1,-1,1,-1,1,1,-1,-1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,0,0,1,0,0,0],a=new le;a.setAttribute("position",new ae(r,3)),a.computeBoundingSphere();super(a,new Ze({color:i,toneMapped:!1}));this.type="PlaneHelper",this.plane=e,this.size=t;let o=[1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],l=new le;l.setAttribute("position",new ae(o,3)),l.computeBoundingSphere(),this.add(new ze(l,new zt({color:i,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(e){let t=-this.plane.constant;Math.abs(t)<1e-8&&(t=1e-8),this.scale.set(.5*this.size,.5*this.size,t),this.children[0].material.side=t<0?Ye:Rn,this.lookAt(this.plane.normal),super.updateMatrixWorld(e)}},_p=new b,Xo,du,Tp=class extends De{constructor(e=new b(0,0,1),t=new b(0,0,0),n=1,i=16776960,r=n*.2,a=r*.2){super();this.type="ArrowHelper",Xo===void 0&&(Xo=new le,Xo.setAttribute("position",new ae([0,0,0,0,1,0],3)),du=new fi(0,.5,1,5,1),du.translate(0,-.5,0)),this.position.copy(t),this.line=new Vt(Xo,new Ze({color:i,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new ze(du,new zt({color:i,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(e),this.setLength(n,r,a)}setDirection(e){if(e.y>.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{_p.set(e.z,0,-e.x).normalize();let t=Math.acos(e.y);this.quaternion.setFromAxisAngle(_p,t)}}setLength(e,t=e*.2,n=t*.2){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(n,t,n),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}},la=class extends yt{constructor(e=1){let t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],n=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],i=new le;i.setAttribute("position",new ae(t,3)),i.setAttribute("color",new ae(n,3));let r=new Ze({vertexColors:!0,toneMapped:!1});super(i,r);this.type="AxesHelper"}setColors(e,t,n){let i=new K,r=this.geometry.attributes.color.array;return i.set(e),i.toArray(r,0),i.toArray(r,3),i.set(t),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}},Sp=new Float32Array(1),Bw=new Int32Array(Sp.buffer),Cp=class{static toHalfFloat(e){Sp[0]=e;let t=Bw[0],n=t>>16&32768,i=t>>12&2047,r=t>>23&255;return r<103?n:r>142?(n|=31744,n|=(r==255?0:1)&&t&8388607,n):r<113?(i|=2048,n|=(i>>114-r)+(i>>113-r&1),n):(n|=r-112<<10|i>>1,n+=i&1,n)}},Fw=0,Ow=1,Uw=0,Nw=1,Hw=2;function zw(s){return console.warn("THREE.MeshFaceMaterial has been removed. Use an Array instead."),s}function Gw(s=[]){return console.warn("THREE.MultiMaterial has been removed. Use an Array instead."),s.isMultiMaterial=!0,s.materials=s,s.clone=function(){return s.slice()},s}function kw(s,e){return console.warn("THREE.PointCloud has been renamed to THREE.Points."),new Ot(s,e)}function Vw(s){return console.warn("THREE.Particle has been renamed to THREE.Sprite."),new Vi(s)}function Ww(s,e){return console.warn("THREE.ParticleSystem has been renamed to THREE.Points."),new Ot(s,e)}function Yw(s){return console.warn("THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial."),new qt(s)}function jw(s){return console.warn("THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial."),new qt(s)}function Xw(s){return console.warn("THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial."),new qt(s)}function Qw(s,e,t){return console.warn("THREE.Vertex has been removed. Use THREE.Vector3 instead."),new b(s,e,t)}function qw(s,e){return console.warn("THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead."),new de(s,e).setUsage(Dn)}function Zw(s,e){return console.warn("THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead."),new Kl(s,e)}function Jw(s,e){return console.warn("THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead."),new $l(s,e)}function Kw(s,e){return console.warn("THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead."),new ec(s,e)}function $w(s,e){return console.warn("THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead."),new tc(s,e)}function eb(s,e){return console.warn("THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead."),new Is(s,e)}function tb(s,e){return console.warn("THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead."),new nc(s,e)}function nb(s,e){return console.warn("THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead."),new Bs(s,e)}function ib(s,e){return console.warn("THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead."),new ae(s,e)}function rb(s,e){return console.warn("THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead."),new rc(s,e)}Wt.create=function(s,e){return console.log("THREE.Curve.create() has been deprecated"),s.prototype=Object.create(Wt.prototype),s.prototype.constructor=s,s.prototype.getPoint=e,s};as.prototype.fromPoints=function(s){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(s)};function sb(s){return console.warn("THREE.AxisHelper has been renamed to THREE.AxesHelper."),new la(s)}function ab(s,e){return console.warn("THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead."),new hu(s,e)}function ob(s,e){return console.warn("THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead."),new yt(new uo(s.geometry),new Ze({color:e!==void 0?e:16777215}))}er.prototype.setColors=function(){console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.")};uu.prototype.update=function(){console.error("THREE.SkeletonHelper: update() no longer needs to be called.")};function lb(s,e){return console.warn("THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead."),new yt(new Ao(s.geometry),new Ze({color:e!==void 0?e:16777215}))}bt.prototype.extractUrlBase=function(s){return console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead."),aa.extractUrlBase(s)};bt.Handlers={add:function(){console.error("THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.")},get:function(){console.error("THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.")}};function cb(s){return console.warn("THREE.XHRLoader has been renamed to THREE.FileLoader."),new Yt(s)}function ub(s){return console.warn("THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader."),new Uc(s)}$i.prototype.center=function(s){return console.warn("THREE.Box2: .center() has been renamed to .getCenter()."),this.getCenter(s)};$i.prototype.empty=function(){return console.warn("THREE.Box2: .empty() has been renamed to .isEmpty()."),this.isEmpty()};$i.prototype.isIntersectionBox=function(s){return console.warn("THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(s)};$i.prototype.size=function(s){return console.warn("THREE.Box2: .size() has been renamed to .getSize()."),this.getSize(s)};It.prototype.center=function(s){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(s)};It.prototype.empty=function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()};It.prototype.isIntersectionBox=function(s){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(s)};It.prototype.isIntersectionSphere=function(s){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(s)};It.prototype.size=function(s){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(s)};In.prototype.empty=function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()};Sr.prototype.setFromMatrix=function(s){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(s)};ou.prototype.center=function(s){return console.warn("THREE.Line3: .center() has been renamed to .getCenter()."),this.getCenter(s)};vt.prototype.flattenToArrayOffset=function(s,e){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(s,e)};vt.prototype.multiplyVector3=function(s){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),s.applyMatrix3(this)};vt.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")};vt.prototype.applyToBufferAttribute=function(s){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),s.applyMatrix3(this)};vt.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")};vt.prototype.getInverse=function(s){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(s).invert()};me.prototype.extractPosition=function(s){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(s)};me.prototype.flattenToArrayOffset=function(s,e){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(s,e)};me.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),new b().setFromMatrixColumn(this,3)};me.prototype.setRotationFromQuaternion=function(s){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(s)};me.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")};me.prototype.multiplyVector3=function(s){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),s.applyMatrix4(this)};me.prototype.multiplyVector4=function(s){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),s.applyMatrix4(this)};me.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")};me.prototype.rotateAxis=function(s){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),s.transformDirection(this)};me.prototype.crossVector=function(s){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),s.applyMatrix4(this)};me.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")};me.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")};me.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")};me.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")};me.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")};me.prototype.applyToBufferAttribute=function(s){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),s.applyMatrix4(this)};me.prototype.applyToVector3Array=function(){console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")};me.prototype.makeFrustum=function(s,e,t,n,i,r){return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),this.makePerspective(s,e,n,t,i,r)};me.prototype.getInverse=function(s){return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(s).invert()};pn.prototype.isIntersectionLine=function(s){return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),this.intersectsLine(s)};ht.prototype.multiplyVector3=function(s){return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),s.applyQuaternion(this)};ht.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()};Fn.prototype.isIntersectionBox=function(s){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(s)};Fn.prototype.isIntersectionPlane=function(s){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(s)};Fn.prototype.isIntersectionSphere=function(s){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(s)};st.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()};st.prototype.barycoordFromPoint=function(s,e){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(s,e)};st.prototype.midpoint=function(s){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(s)};st.prototypenormal=function(s){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(s)};st.prototype.plane=function(s){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(s)};st.barycoordFromPoint=function(s,e,t,n,i){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),st.getBarycoord(s,e,t,n,i)};st.normal=function(s,e,t,n){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),st.getNormal(s,e,t,n)};kn.prototype.extractAllPoints=function(s){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(s)};kn.prototype.extrude=function(s){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new vn(this,s)};kn.prototype.makeGeometry=function(s){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new Yi(this,s)};z.prototype.fromAttribute=function(s,e,t){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(s,e,t)};z.prototype.distanceToManhattan=function(s){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(s)};z.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};b.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")};b.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")};b.prototype.getPositionFromMatrix=function(s){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(s)};b.prototype.getScaleFromMatrix=function(s){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(s)};b.prototype.getColumnFromMatrix=function(s,e){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(e,s)};b.prototype.applyProjection=function(s){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(s)};b.prototype.fromAttribute=function(s,e,t){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(s,e,t)};b.prototype.distanceToManhattan=function(s){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(s)};b.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};je.prototype.fromAttribute=function(s,e,t){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(s,e,t)};je.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};De.prototype.getChildByName=function(s){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(s)};De.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")};De.prototype.translate=function(s,e){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(e,s)};De.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")};De.prototype.applyMatrix=function(s){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(s)};Object.defineProperties(De.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(s){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=s}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")},set:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")}}});ze.prototype.setDrawMode=function(){console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")};Object.defineProperties(ze.prototype,{drawMode:{get:function(){return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),hd},set:function(){console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}});Xs.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")};nt.prototype.setLens=function(s,e){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),e!==void 0&&(this.filmGauge=e),this.setFocalLength(s)};Object.defineProperties(sn.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(s){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=s}},shadowCameraLeft:{set:function(s){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=s}},shadowCameraRight:{set:function(s){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=s}},shadowCameraTop:{set:function(s){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=s}},shadowCameraBottom:{set:function(s){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=s}},shadowCameraNear:{set:function(s){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=s}},shadowCameraFar:{set:function(s){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=s}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(s){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=s}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(s){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=s}},shadowMapHeight:{set:function(s){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=s}}});Object.defineProperties(de.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.usage===Dn},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(Dn)}}});de.prototype.setDynamic=function(s){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(s===!0?Dn:hr),this};de.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},de.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")};le.prototype.addIndex=function(s){console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),this.setIndex(s)};le.prototype.addAttribute=function(s,e){return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),!(e&&e.isBufferAttribute)&&!(e&&e.isInterleavedBufferAttribute)?(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.setAttribute(s,new de(arguments[1],arguments[2]))):s==="index"?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(e),this):this.setAttribute(s,e)};le.prototype.addDrawCall=function(s,e,t){t!==void 0&&console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),this.addGroup(s,e)};le.prototype.clearDrawCalls=function(){console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),this.clearGroups()};le.prototype.computeOffsets=function(){console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")};le.prototype.removeAttribute=function(s){return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),this.deleteAttribute(s)};le.prototype.applyMatrix=function(s){return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(s)};Object.defineProperties(le.prototype,{drawcalls:{get:function(){return console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups."),this.groups}},offsets:{get:function(){return console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups."),this.groups}}});hi.prototype.setDynamic=function(s){return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(s===!0?Dn:hr),this};hi.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")};vn.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")};vn.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")};vn.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")};kt.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")};He.prototype.onUpdate=function(){return console.warn("THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead."),this};Object.defineProperties(at.prototype,{wrapAround:{get:function(){console.warn("THREE.Material: .wrapAround has been removed.")},set:function(){console.warn("THREE.Material: .wrapAround has been removed.")}},overdraw:{get:function(){console.warn("THREE.Material: .overdraw has been removed.")},set:function(){console.warn("THREE.Material: .overdraw has been removed.")}},wrapRGB:{get:function(){return console.warn("THREE.Material: .wrapRGB has been removed."),new K}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(s){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=s===ul}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(s){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=s}},vertexTangents:{get:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")},set:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")}}});Object.defineProperties(Qe.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(s){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=s}}});qe.prototype.clearTarget=function(s,e,t,n){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(s),this.clear(e,t,n)};qe.prototype.animate=function(s){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(s)};qe.prototype.getCurrentRenderTarget=function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()};qe.prototype.getMaxAnisotropy=function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()};qe.prototype.getPrecision=function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision};qe.prototype.resetGLState=function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()};qe.prototype.supportsFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")};qe.prototype.supportsHalfFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")};qe.prototype.supportsStandardDerivatives=function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")};qe.prototype.supportsCompressedTextureS3TC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")};qe.prototype.supportsCompressedTexturePVRTC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")};qe.prototype.supportsBlendMinMax=function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")};qe.prototype.supportsVertexTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures};qe.prototype.supportsInstancedArrays=function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")};qe.prototype.enableScissorTest=function(s){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(s)};qe.prototype.initMaterial=function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")};qe.prototype.addPrePlugin=function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")};qe.prototype.addPostPlugin=function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")};qe.prototype.updateShadowMap=function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")};qe.prototype.setFaceCulling=function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")};qe.prototype.allocTextureUnit=function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")};qe.prototype.setTexture=function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")};qe.prototype.setTexture2D=function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")};qe.prototype.setTextureCube=function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")};qe.prototype.getActiveMipMapLevel=function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()};Object.defineProperties(qe.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(s){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=s}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(s){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=s}},shadowMapCullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. 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s!="undefined"&&Number.isFinite(s)}var St=class{constructor(e,t="rad",n=!1){this.attrs={},this.locked=!1;for(let i in e)if(e.hasOwnProperty(i)){let r=yb.has(i)?t:null;this.set(i,e[i],r)}typeof this.attrs.GM=="undefined"&&(this.attrs.GM=hs.SUN),this.fill(),this.get("e")>.9&&typeof this.getUnsafe("tp")=="undefined"&&console.warn('You must specify "tp" (time of perihelion) for highly eccentric orbits'),this.locked=n}set(e,t,n="rad"){if(this.locked)throw new Error("Attempted to modify locked (immutable) Ephem object");return xb.has(e)?(n==="deg"?this.attrs[e]=t*Math.PI/180:this.attrs[e]=t,!0):(console.warn(`Invalid ephem attr: ${e}`),!1)}getUnsafe(e,t="rad"){if(t==="deg"){let n=this.attrs[e];return typeof n=="undefined"?void 0:n*180/Math.PI}return this.attrs[e]}get(e,t="rad"){let n=this.getUnsafe(e,t);if(typeof n=="undefined")throw console.info(this.attrs),new Error(`Attempted to get ephemeris value '${e}' but it was undefined`);return n}fill(){let e=this.getUnsafe("e");if(!tt(e))throw 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h=this.getUnsafe("ma"),d=this.getUnsafe("L");!tt(d)&&tt(a)&&tt(i)&&tt(h)&&(d=a+i+h,this.set("L",d)),tt(h)||this.set("ma",d-r)}lock(){this.locked=!0}copy(){return new St({GM:this.getUnsafe("GM"),epoch:this.getUnsafe("epoch"),a:this.getUnsafe("a"),e:this.getUnsafe("e"),i:this.getUnsafe("i"),om:this.getUnsafe("om"),ma:this.getUnsafe("ma"),w:this.getUnsafe("w")},"rad")}};function qo(s,e,t,n,i,r){if(s===void 0)throw"data object is undefined";if(!Array.isArray(s))throw"data object must be an array";if(t>=n)throw"first row must be greater than last row";if(t<0)throw"first row must be greater than zero";if(n>s.length-1)throw"last row must be ";if(!Array.isArray(s[t]))throw"data in rows must be array data";let a=s[0].length-1;if(i<0||i>a)throw`xIndex has to be between 0 and ${a}: ${i}`;if(r<0||r>a)throw`yIndex has to be between 0 and ${a}: ${r}`;let o=0;for(let l=t;l<=n;l++){let c=1;for(let u=t;u<=n;u++)u!==l&&(c*=(e-s[u][i])/(s[l][i]-s[u][i]));o+=c*s[l][r]}return o}var wb=(s,e)=>s-e,bb="{{assets}}/sprites/fuzzyparticle.png";function ca(s,e){return s.replace("{{assets}}",`${e}/assets`).replace("{{data}}",`${e}/data`)}function ua(s,e){return ca(s||bb,e)}function Dp(s,e){let t=ua(s,e);return new rn().load(t)}function Lp(){return window.location.href.indexOf("localhost")>-1?"/src/":"https://typpo.github.io/spacekit/src"}function Ip(s,e,t=wb){if(s===void 0)throw"data object is undefined";if(!Array.isArray(s))throw"data object must be an array";if(e===void 0)throw"value object must be defined";if(t===void 0)throw"comparer must be defined";let n=0,i=s.length;for(;n<=i;){let r=Math.floor((n+i)/2);if(r===s.length)return r;let a=t(s[r],e);if(a<0)n=r+1;else if(a>0)i=r-1;else return r}return~n}var Bp=20,Ab=(s,e)=>s[0]-e,bu={distance:"au",time:"day"},Mb="cartesianposvel",Eb="lagrange",_b=5,Tb=new Set(["km","au"]),Sb=new Set(["cartesianposvel"]),Cb=new Set(["lagrange"]),Pb=new Set(["day","sec"]),an=class{constructor(e){if(this.units=JSON.parse(JSON.stringify(bu)),this.ephemType=Mb,this.interpolationType=Eb,this.interpolationOrder=_b,!e)throw new Error("EphemerisTable must be initialized with an ephemeris data structure");if(!e.data||!Array.isArray(e.data)||e.data.length===0||!Array.isArray(e.data[0]))throw new Error("EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data");if(this.data=JSON.parse(JSON.stringify(e.data)),e.distanceUnits){if(!Tb.has(e.distanceUnits))throw new Error(`Unknown distance units: ${e.distanceUnits}`);this.units.distance=e.distanceUnits}if(e.timeUnits){if(!Pb.has(e.timeUnits))throw new Error(`Unknown time units: ${e.timeUnits}`);this.units.time=e.timeUnits}if(e.ephemerisType){if(!Sb.has(e.ephemerisType))throw new Error(`Unknown ephemeris type: ${e.ephemerisType}`);this.ephemType=e.ephemerisType}if(e.interpolationType){if(!Cb.has(e.interpolationType))throw new Error(`Unknown interpolation type: ${e.interpolationType}`);this.interpolationType=e.interpolationType}if(e.interpolationOrder!==void 0){if(e.interpolationOrder<1||e.interpolationOrder>Bp)throw new Error(`Interpolation order must be >0 and <${Bp}: ${e.interpolationOrder}`);this.interpolationOrder=e.interpolationOrder}if(this.units.distance!==bu.distance||this.units.time!==bu.time){let t=this.calcDistanceMultiplier(this.units.distance),n=this.calcTimeMultiplier(this.units.time);this.data.forEach(i=>{i[1]*=t,i[2]*=t,i[3]*=t,i[4]*=t*n,i[5]*=t*n,i[6]*=t*n})}}getPositionAtTime(e){if(e<=this.data[0][0])return[this.data[0][1],this.data[0][2],this.data[0][3]];let t=this.data[this.data.length-1];if(e>=t[0])return[t[1],t[2],t[3]];let{startIndex:n,stopIndex:i}=this.calcBoundingIndices(e),r=qo(this.data,e,n,i,0,1),a=qo(this.data,e,n,i,0,2),o=qo(this.data,e,n,i,0,3);return[r,a,o]}getPositions(e,t,n){if(e>t)throw new Error("Requested start needs to be after requested stop");if(n<=0)throw new Error("Step days needs to be greater than zero");let i=[];for(let r=e;r<=t;r+=n)i.push(this.getPositionAtTime(r));return i}calcDistanceMultiplier(e){switch(e){case"au":return 1;case"km":return et.kmToAu(1);default:throw new Error("Unknown distance unit type: "+e)}}calcTimeMultiplier(e){switch(e){case"day":return 1;case"sec":return 1/86400;default:throw new Error("Unknown time unit type: "+e)}}calcBoundingIndices(e){let t=Math.floor(this.interpolationOrder/2),n=Ip(this.data,e,Ab);n<0&&(n=~n-1);let i=n-t;i<0&&(i=0);let r=i+Number(this.interpolationOrder);return r>=this.data.length&&(r=this.data.length-1,this.data.length>t&&(i=r-t)),{startIndex:i,stopIndex:r}}};var on={MERCURY:new St({epoch:24584265e-1,a:.3870968969437096,e:.2056515875393916,i:7.003891682749818,om:48.30774804443502,w:29.17940253442659,ma:256.190975209273},"deg",!0),VENUS:new St({epoch:24584265e-1,a:.7233458663591554,e:.006762510759617694,i:3.394567787211735,om:76.62534150657346,w:54.74567447560867,ma:275.6687596099721},"deg",!0),EARTH:new St({epoch:2451545,a:1.00000261,e:.01671123,i:-1531e-8,om:0,wBar:102.93768193,L:100.46457166},"deg",!0),MOON:new St({GM:398600,epoch:24586215e-1,a:.002582517063772124,e:.04582543645168888,i:5.102060246928811,om:108.5916732144811,w:61.80561793729225,ma:50.53270083636792},"deg",!0),MARS:new St({epoch:24584265e-1,a:1.52371401537107,e:.09336741335309606,i:1.848141099825311,om:49.50420572080223,w:286.6965847685386,ma:25.38237617924876},"deg",!0),JUPITER:new St({epoch:24584265e-1,a:5.20180355911023,e:.0489912558249006,i:1.303560894624275,om:100.5203828847816,w:273.736301845404,ma:231.939544389401},"deg",!0),SATURN:new St({epoch:24584265e-1,a:9.577177295536776,e:.05101889921719987,i:2.482782449972317,om:113.6154964073247,w:339.4422648650336,ma:187.0970898012944},"deg",!0),URANUS:new St({epoch:24584265e-1,a:19.14496966635462,e:.04832662948112808,i:.7697511134483724,om:74.14239045667875,w:99.42704504702185,ma:220.2603033874267},"deg",!0),NEPTUNE:new St({epoch:24584265e-1,a:30.0962226342805,e:.00736257118719377,i:1.774569249829094,om:131.8695882492132,w:258.6226409499831,ma:315.2804988924479},"deg",!0),PLUTO:new St({epoch:24540005e-1,a:39.4450697257,e:.250248713478,i:17.0890009196,om:110.376957955,w:112.597141677,ma:25.2471897122},"deg",!0)},Zo=class{constructor(e){this._simulation=e,this._context=e.getContext(),this._satellitesByPlanet={};let t=ca("{{data}}/processed/natural-satellites.json",this._context.options.basePath);this._readyPromise=new Promise((n,i)=>{fetch(t).then(r=>r.json()).then(r=>{r.forEach(a=>{let o=a.Planet.toLowerCase();this._satellitesByPlanet[o]||(this._satellitesByPlanet[o]=[]);let l;switch(a["Element Type"]){case"Ecliptic":break;case"Equatorial":l="equatorial";break;case"Laplace":l="equatorial";break;default:console.warn(`Ephemeris type not yet implemented: ${l}`);return}let c;switch(a.Planet){case"Earth":c=hs.EARTH_MOON;break;case"Pluto":c=hs.PLUTO_CHARON;break;default:c=hs[a.Planet.toUpperCase()]}c||console.error(`Could not look up GM for ${a.Planet}`);let u=new St({GM:c,epoch:Number(a["Epoch JD"]),a:et.kmToAu(Number(a.a)),e:Number(a.e),i:Number(a.i),w:Number(a.w),om:Number(a.node),ma:Number(a.M)},"deg",!0);this._satellitesByPlanet[o].push({name:a["Sat."],elementType:a["Element Type"],tags:new Set(a.tags.split(",")),ephem:u})}),console.info("Loaded",r.length,"natural satellites"),n(this)}).catch(r=>{i(r)})})}getSatellitesForPlanet(e){return this._satellitesByPlanet[e.toLowerCase()]}load(){return this._readyPromise}};var Hp=Gu(Au());var wt;(function(r){r[r.UNKNOWN=0]="UNKNOWN",r[r.PARABOLIC=1]="PARABOLIC",r[r.HYPERBOLIC=2]="HYPERBOLIC",r[r.ELLIPTICAL=3]="ELLIPTICAL",r[r.TABLE=4]="TABLE"})(wt||(wt={}));var{sin:tr,cos:Vn,sqrt:yi}=Math,Jo=10,zp=360,Bb={leadDurationYears:Jo,trailDurationYears:Jo,numberSamplePoints:zp};function Ko(s){return Math.exp(Math.log(s)/3)}var Wn=class{constructor(e,t){var n,i,r;this.ephem=e,this.options=t||{},this.options.orbitPathSettings||(this.options.orbitPathSettings=JSON.parse(JSON.stringify(Bb))),((n=this.options.orbitPathSettings)==null?void 0:n.leadDurationYears)||(this.options.orbitPathSettings.leadDurationYears=Jo),((i=this.options.orbitPathSettings)==null?void 0:i.trailDurationYears)||(this.options.orbitPathSettings.trailDurationYears=Jo),((r=this.options.orbitPathSettings)==null?void 0:r.numberSamplePoints)||(this.options.orbitPathSettings.numberSamplePoints=zp),this.orbitPoints=void 0,this.eclipticDropLines=void 0,this.orbitShape=void 0,this.orbitStart=0,this.orbitStop=0,this.orbitType=Wn.getOrbitType(this.ephem)}getPositionAtTime(e,t=!1){switch(this.orbitType){case 1:return this.getPositionAtTimeNearParabolic(e,t);case 2:return this.getPositionAtTimeHyperbolic(e,t);case 3:return this.getPositionAtTimeElliptical(e,t);case 4:return this.getPositionAtTimeTable(e,t);default:throw new Error("No handler for this type of orbit")}}getPositionAtTimeParabolic(e,t=!1){let n=this.ephem;if(n instanceof an)throw new Error("Attempted to compute coordinates from ephemeris table");let i=.01720209895,r=n.get("q"),o=(e-n.get("tp"))*(i/yi(2))/yi(r*r*r),l=1.5*o,c=yi(1+l*l),u=Ko(c+l)-Ko(c-l),h=2*Math.atan(u),d=r*(1+u*u);return this.vectorToHeliocentric(h,d)}getPositionAtTimeNearParabolic(e,t=!1){let n=this.ephem;if(n instanceof an)throw new Error("Attempted to compute coordinates from ephemeris table");let i=.01720209895,r=n.get("e"),a=n.get("q"),o=e-n.get("tp"),l=.75*o*i*yi((1+r)/(a*a*a)),c=yi(1+l*l),u=Ko(c+l)-Ko(c-l),h=(1-r)/(1+r),d=2/3+2/5*u*u,f=7/5+33/35*u*u+37/175*rr(u,4),p=u*u*(432/175+956/1125*u*u+84/1575*rr(u,4)),v=u*u/(1+u*u),x=h*v*v,g=u*(1+h*v*(d+f*x+p*x*x)),m=2*Math.atan(g),y=a*(1+g*g)/(1+g*g*h);return this.vectorToHeliocentric(m,y)}getPositionAtTimeHyperbolic(e,t=!1){let n=this.ephem;if(n instanceof an)throw new Error("Attempted to compute coordinates from ephemeris 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Use their .texture property instead."),Ee=!0),C=C.texture),G(C,_)}function Qe(C,_){C&&C.isWebGLCubeRenderTarget&&(_e===!1&&(console.warn("THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. 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6403;if(r===Mh)return 36244;if(r===Eh)return 33319;if(r===_h)return 33320;if(r===Th)return 36248;if(r===Sh)return 36249;if(r===gl||r===vl||r===xl||r===yl)if(a=e.get("WEBGL_compressed_texture_s3tc"),a!==null){if(r===gl)return a.COMPRESSED_RGB_S3TC_DXT1_EXT;if(r===vl)return a.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(r===xl)return a.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(r===yl)return a.COMPRESSED_RGBA_S3TC_DXT5_EXT}else return null;if(r===wl||r===bl||r===Al||r===Ml)if(a=e.get("WEBGL_compressed_texture_pvrtc"),a!==null){if(r===wl)return a.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(r===bl)return a.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(r===Al)return a.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(r===Ml)return a.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}else return null;if(r===Ch)return a=e.get("WEBGL_compressed_texture_etc1"),a!==null?a.COMPRESSED_RGB_ETC1_WEBGL:null;if((r===El||r===_l)&&(a=e.get("WEBGL_compressed_texture_etc"),a!==null)){if(r===El)return a.COMPRESSED_RGB8_ETC2;if(r===_l)return a.COMPRESSED_RGBA8_ETC2_EAC}if(r===Rh||r===Ph||r===Dh||r===Lh||r===Ih||r===Bh||r===Fh||r===Oh||r===Uh||r===Nh||r===Hh||r===zh||r===Gh||r===kh||r===Wh||r===jh||r===Yh||r===Xh||r===Qh||r===qh||r===Zh||r===Jh||r===Kh||r===$h||r===ed||r===td||r===nd||r===id)return a=e.get("WEBGL_compressed_texture_astc"),a!==null?r:null;if(r===Vh)return a=e.get("EXT_texture_compression_bptc"),a!==null?r:null;if(r===Sn)return n?34042:(a=e.get("WEBGL_depth_texture"),a!==null?a.UNSIGNED_INT_24_8_WEBGL:null)}return{convert:i}}var Ja=class extends st{constructor(e=[]){super();this.cameras=e}};Ja.prototype.isArrayCamera=!0;var wn=class extends Te{constructor(){super();this.type="Group"}};wn.prototype.isGroup=!0;var zy={type:"move"},Ka=class{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return this._hand===null&&(this._hand=new wn,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return this._targetRay===null&&(this._targetRay=new wn,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new A,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new A),this._targetRay}getGripSpace(){return this._grip===null&&(this._grip=new wn,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new A,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new A),this._grip}dispatchEvent(e){return this._targetRay!==null&&this._targetRay.dispatchEvent(e),this._grip!==null&&this._grip.dispatchEvent(e),this._hand!==null&&this._hand.dispatchEvent(e),this}disconnect(e){return this.dispatchEvent({type:"disconnected",data:e}),this._targetRay!==null&&(this._targetRay.visible=!1),this._grip!==null&&(this._grip.visible=!1),this._hand!==null&&(this._hand.visible=!1),this}update(e,t,n){let i=null,r=null,a=null,o=this._targetRay,l=this._grip,c=this._hand;if(e&&t.session.visibilityState!=="visible-blurred")if(o!==null&&(i=t.getPose(e.targetRaySpace,n),i!==null&&(o.matrix.fromArray(i.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),i.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(i.linearVelocity)):o.hasLinearVelocity=!1,i.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(i.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(zy))),c&&e.hand){a=!0;for(let v of e.hand.values()){let x=t.getJointPose(v,n);if(c.joints[v.jointName]===void 0){let m=new wn;m.matrixAutoUpdate=!1,m.visible=!1,c.joints[v.jointName]=m,c.add(m)}let g=c.joints[v.jointName];x!==null&&(g.matrix.fromArray(x.transform.matrix),g.matrix.decompose(g.position,g.rotation,g.scale),g.jointRadius=x.radius),g.visible=x!==null}let u=c.joints["index-finger-tip"],h=c.joints["thumb-tip"],d=u.position.distanceTo(h.position),f=.02,p=.005;c.inputState.pinching&&d>f+p?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!c.inputState.pinching&&d<=f-p&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else l!==null&&e.gripSpace&&(r=t.getPose(e.gripSpace,n),r!==null&&(l.matrix.fromArray(r.transform.matrix),l.matrix.decompose(l.position,l.rotation,l.scale),r.linearVelocity?(l.hasLinearVelocity=!0,l.linearVelocity.copy(r.linearVelocity)):l.hasLinearVelocity=!1,r.angularVelocity?(l.hasAngularVelocity=!0,l.angularVelocity.copy(r.angularVelocity)):l.hasAngularVelocity=!1));return o!==null&&(o.visible=i!==null),l!==null&&(l.visible=r!==null),c!==null&&(c.visible=a!==null),this}},li=class extends bt{constructor(e,t,n,i,r,a,o,l,c,u){if(u=u!==void 0?u:Qn,u!==Qn&&u!==Cn)throw new Error("DepthTexture format must be either 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Ka,m[j]=Y),Y.getGripSpace()},this.getHand=function(j){let Y=m[j];return Y===void 0&&(Y=new Ka,m[j]=Y),Y.getHandSpace()};function L(j){let Y=w.get(j.inputSource);Y&&Y.dispatchEvent({type:j.type,data:j.inputSource})}function P(){w.forEach(function(j,Y){j.disconnect(Y)}),w.clear(),R=null,I=null,e.setRenderTarget(x),d=null,h=null,u=null,i=null,g=null,fe.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}this.setFramebufferScaleFactor=function(j){r=j,n.isPresenting===!0&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(j){o=j,n.isPresenting===!0&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return a},this.getBaseLayer=function(){return h!==null?h:d},this.getBinding=function(){return u},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=function(j){return Zt(this,null,function*(){if(i=j,i!==null){if(x=e.getRenderTarget(),i.addEventListener("select",L),i.addEventListener("selectstart",L),i.addEventListener("selectend",L),i.addEventListener("squeeze",L),i.addEventListener("squeezestart",L),i.addEventListener("squeezeend",L),i.addEventListener("end",P),i.addEventListener("inputsourceschange",Z),v.xrCompatible!==!0&&(yield t.makeXRCompatible()),i.renderState.layers===void 0||e.capabilities.isWebGL2===!1){let Y={antialias:i.renderState.layers===void 0?v.antialias:!0,alpha:v.alpha,depth:v.depth,stencil:v.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,t,Y),i.updateRenderState({baseLayer:d}),g=new rt(d.framebufferWidth,d.framebufferHeight)}else{f=v.antialias;let Y=null,ue=null,oe=null;v.depth&&(oe=v.stencil?35056:33189,Y=v.stencil?Cn:Qn,ue=v.stencil?Sn:ur);let ve={colorFormat:v.alpha||f?32856:32849,depthFormat:oe,scaleFactor:r};u=new XRWebGLBinding(i,t),h=u.createProjectionLayer(ve),i.updateRenderState({layers:[h]}),f?g=new Zn(h.textureWidth,h.textureHeight,{format:ct,type:it,depthTexture:new li(h.textureWidth,h.textureHeight,ue,void 0,void 0,void 0,void 0,void 0,void 0,Y),stencilBuffer:v.stencil,ignoreDepth:h.ignoreDepthValues,useRenderToTexture:l}):g=new rt(h.textureWidth,h.textureHeight,{format:v.alpha?ct:Pt,type:it,depthTexture:new li(h.textureWidth,h.textureHeight,ue,void 0,void 0,void 0,void 0,void 0,void 0,Y),stencilBuffer:v.stencil,ignoreDepth:h.ignoreDepthValues})}this.setFoveation(0),a=yield i.requestReferenceSpace(o),fe.setContext(i),fe.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}})};function Z(j){let Y=i.inputSources;for(let ue=0;ue<m.length;ue++)w.set(Y[ue],m[ue]);for(let ue=0;ue<j.removed.length;ue++){let oe=j.removed[ue],ve=w.get(oe);ve&&(ve.dispatchEvent({type:"disconnected",data:oe}),w.delete(oe))}for(let ue=0;ue<j.added.length;ue++){let oe=j.added[ue],ve=w.get(oe);ve&&ve.dispatchEvent({type:"connected",data:oe})}}let O=new A,F=new A;function z(j,Y,ue){O.setFromMatrixPosition(Y.matrixWorld),F.setFromMatrixPosition(ue.matrixWorld);let oe=O.distanceTo(F),ve=Y.projectionMatrix.elements,Fe=ue.projectionMatrix.elements,J=ve[14]/(ve[10]-1),Re=ve[14]/(ve[10]+1),be=(ve[9]+1)/ve[5],xe=(ve[9]-1)/ve[5],we=(ve[8]-1)/ve[0],Be=(Fe[8]+1)/Fe[0],W=J*we,$=J*Be,te=oe/(-we+Be),he=te*-we;Y.matrixWorld.decompose(j.position,j.quaternion,j.scale),j.translateX(he),j.translateZ(te),j.matrixWorld.compose(j.position,j.quaternion,j.scale),j.matrixWorldInverse.copy(j.matrixWorld).invert();let ae=J+te,Ee=Re+te,_e=W-he,Pe=$+(oe-he),Qe=be*Re/Ee*ae,C=xe*Re/Ee*ae;j.projectionMatrix.makePerspective(_e,Pe,Qe,C,ae,Ee)}function N(j,Y){Y===null?j.matrixWorld.copy(j.matrix):j.matrixWorld.multiplyMatrices(Y.matrixWorld,j.matrix),j.matrixWorldInverse.copy(j.matrixWorld).invert()}this.updateCamera=function(j){if(i===null)return;b.near=M.near=y.near=j.near,b.far=M.far=y.far=j.far,(R!==b.near||I!==b.far)&&(i.updateRenderState({depthNear:b.near,depthFar:b.far}),R=b.near,I=b.far);let Y=j.parent,ue=b.cameras;N(b,Y);for(let ve=0;ve<ue.length;ve++)N(ue[ve],Y);b.matrixWorld.decompose(b.position,b.quaternion,b.scale),j.position.copy(b.position),j.quaternion.copy(b.quaternion),j.scale.copy(b.scale),j.matrix.copy(b.matrix),j.matrixWorld.copy(b.matrixWorld);let oe=j.children;for(let ve=0,Fe=oe.length;ve<Fe;ve++)oe[ve].updateMatrixWorld(!0);ue.length===2?z(b,y,M):b.projectionMatrix.copy(y.projectionMatrix)},this.getCamera=function(){return b},this.getFoveation=function(){if(h!==null)return h.fixedFoveation;if(d!==null)return d.fixedFoveation},this.setFoveation=function(j){h!==null&&(h.fixedFoveation=j),d!==null&&d.fixedFoveation!==void 0&&(d.fixedFoveation=j)};let G=null;function ne(j,Y){if(c=Y.getViewerPose(a),p=Y,c!==null){let oe=c.views;d!==null&&(e.setRenderTargetFramebuffer(g,d.framebuffer),e.setRenderTarget(g));let ve=!1;oe.length!==b.cameras.length&&(b.cameras.length=0,ve=!0);for(let Fe=0;Fe<oe.length;Fe++){let J=oe[Fe],Re=null;if(d!==null)Re=d.getViewport(J);else{let xe=u.getViewSubImage(h,J);Re=xe.viewport,Fe===0&&(e.setRenderTargetTextures(g,xe.colorTexture,h.ignoreDepthValues?void 0:xe.depthStencilTexture),e.setRenderTarget(g))}let be=S[Fe];be.matrix.fromArray(J.transform.matrix),be.projectionMatrix.fromArray(J.projectionMatrix),be.viewport.set(Re.x,Re.y,Re.width,Re.height),Fe===0&&b.matrix.copy(be.matrix),ve===!0&&b.cameras.push(be)}}let ue=i.inputSources;for(let oe=0;oe<m.length;oe++){let ve=m[oe],Fe=ue[oe];ve.update(Fe,Y,a)}G&&G(j,Y),p=null}let fe=new 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dm(E,B,k,H,X,Se){E.onBeforeRender(v,B,k,H,X,Se),E.modelViewMatrix.multiplyMatrices(k.matrixWorldInverse,E.matrixWorld),E.normalMatrix.getNormalMatrix(E.modelViewMatrix),X.onBeforeRender(v,B,k,H,E,Se),X.transparent===!0&&X.side===Nt?(X.side=je,X.needsUpdate=!0,v.renderBufferDirect(k,B,H,X,E,Se),X.side=Tn,X.needsUpdate=!0,v.renderBufferDirect(k,B,H,X,E,Se),X.side=Nt):v.renderBufferDirect(k,B,H,X,E,Se),E.onAfterRender(v,B,k,H,X,Se)}function sl(E,B,k){B.isScene!==!0&&(B=ve);let H=W.get(E),X=d.state.lights,Se=d.state.shadowsArray,Ae=X.state.version,De=Pe.getParameters(E,X.state,Se,B,k),Ce=Pe.getProgramCacheKey(De),Ge=H.programs;H.environment=E.isMeshStandardMaterial?B.environment:null,H.fog=B.fog,H.envMap=(E.isMeshStandardMaterial?he:te).get(E.envMap||H.environment),Ge===void 0&&(E.addEventListener("dispose",Je),Ge=new Map,H.programs=Ge);let Le=Ge.get(Ce);if(Le!==void 0){if(H.currentProgram===Le&&H.lightsStateVersion===Ae)return Pu(E,De),Le}else De.uniforms=Pe.getUniforms(E),E.onBuild(k,De,v),E.onBeforeCompile(De,v),Le=Pe.acquireProgram(De,Ce),Ge.set(Ce,Le),H.uniforms=De.uniforms;let Ne=H.uniforms;(!E.isShaderMaterial&&!E.isRawShaderMaterial||E.clipping===!0)&&(Ne.clippingPlanes=q.uniform),Pu(E,De),H.needsLights=mm(E),H.lightsStateVersion=Ae,H.needsLights&&(Ne.ambientLightColor.value=X.state.ambient,Ne.lightProbe.value=X.state.probe,Ne.directionalLights.value=X.state.directional,Ne.directionalLightShadows.value=X.state.directionalShadow,Ne.spotLights.value=X.state.spot,Ne.spotLightShadows.value=X.state.spotShadow,Ne.rectAreaLights.value=X.state.rectArea,Ne.ltc_1.value=X.state.rectAreaLTC1,Ne.ltc_2.value=X.state.rectAreaLTC2,Ne.pointLights.value=X.state.point,Ne.pointLightShadows.value=X.state.pointShadow,Ne.hemisphereLights.value=X.state.hemi,Ne.directionalShadowMap.value=X.state.directionalShadowMap,Ne.directionalShadowMatrix.value=X.state.directionalShadowMatrix,Ne.spotShadowMap.value=X.state.spotShadowMap,Ne.spotShadowMatrix.value=X.state.spotShadowMatrix,Ne.pointShadowMap.value=X.state.pointShadowMap,Ne.pointShadowMatrix.value=X.state.pointShadowMatrix);let 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Mi=!1,Ei=!1,jn=!1,lt=Ai.getUniforms(),gs=We.uniforms;if(we.useProgram(Ai.program)&&(Mi=!0,Ei=!0,jn=!0),H.id!==y&&(y=H.id,Ei=!0),Mi||M!==E){if(lt.setValue(J,"projectionMatrix",E.projectionMatrix),xe.logarithmicDepthBuffer&&lt.setValue(J,"logDepthBufFC",2/(Math.log(E.far+1)/Math.LN2)),M!==E&&(M=E,Ei=!0,jn=!0),H.isShaderMaterial||H.isMeshPhongMaterial||H.isMeshToonMaterial||H.isMeshStandardMaterial||H.envMap){let on=lt.map.cameraPosition;on!==void 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0)&&me.update(X,k,H,Ai),(Ei||We.receiveShadow!==X.receiveShadow)&&(We.receiveShadow=X.receiveShadow,lt.setValue(J,"receiveShadow",X.receiveShadow)),Ei&&(lt.setValue(J,"toneMappingExposure",v.toneMappingExposure),We.needsLights&&pm(gs,jn),Se&&H.fog&&Qe.refreshFogUniforms(gs,Se),Qe.refreshMaterialUniforms(gs,H,P,L,Y),oi.upload(J,We.uniformsList,gs,$)),H.isShaderMaterial&&H.uniformsNeedUpdate===!0&&(oi.upload(J,We.uniformsList,gs,$),H.uniformsNeedUpdate=!1),H.isSpriteMaterial&&lt.setValue(J,"center",X.center),lt.setValue(J,"modelViewMatrix",X.modelViewMatrix),lt.setValue(J,"normalMatrix",X.normalMatrix),lt.setValue(J,"modelMatrix",X.matrixWorld),Ai}function pm(E,B){E.ambientLightColor.needsUpdate=B,E.lightProbe.needsUpdate=B,E.directionalLights.needsUpdate=B,E.directionalLightShadows.needsUpdate=B,E.pointLights.needsUpdate=B,E.pointLightShadows.needsUpdate=B,E.spotLights.needsUpdate=B,E.spotLightShadows.needsUpdate=B,E.rectAreaLights.needsUpdate=B,E.hemisphereLights.needsUpdate=B}function mm(E){return E.isMeshLambertMaterial||E.isMeshToonMaterial||E.isMeshPhongMaterial||E.isMeshStandardMaterial||E.isShadowMaterial||E.isShaderMaterial&&E.lights===!0}this.getActiveCubeFace=function(){return g},this.getActiveMipmapLevel=function(){return m},this.getRenderTarget=function(){return w},this.setRenderTargetTextures=function(E,B,k){W.get(E.texture).__webglTexture=B,W.get(E.depthTexture).__webglTexture=k;let H=W.get(E);H.__hasExternalTextures=!0,H.__hasExternalTextures&&(H.__autoAllocateDepthBuffer=k===void 0,H.__autoAllocateDepthBuffer||E.useRenderToTexture&&(console.warn("render-to-texture extension was disabled because an external texture was provided"),E.useRenderToTexture=!1,E.useRenderbuffer=!0))},this.setRenderTargetFramebuffer=function(E,B){let k=W.get(E);k.__webglFramebuffer=B,k.__useDefaultFramebuffer=B===void 0},this.setRenderTarget=function(E,B=0,k=0){w=E,g=B,m=k;let H=!0;if(E){let Ce=W.get(E);Ce.__useDefaultFramebuffer!==void 0?(we.bindFramebuffer(36160,null),H=!1):Ce.__webglFramebuffer===void 0?$.setupRenderTarget(E):Ce.__hasExternalTextures&&$.rebindTextures(E,W.get(E.texture).__webglTexture,W.get(E.depthTexture).__webglTexture)}let X=null,Se=!1,Ae=!1;if(E){let Ce=E.texture;(Ce.isDataTexture3D||Ce.isDataTexture2DArray)&&(Ae=!0);let Ge=W.get(E).__webglFramebuffer;E.isWebGLCubeRenderTarget?(X=Ge[B],Se=!0):E.useRenderbuffer?X=W.get(E).__webglMultisampledFramebuffer:X=Ge,S.copy(E.viewport),b.copy(E.scissor),R=E.scissorTest}else S.copy(F).multiplyScalar(P).floor(),b.copy(z).multiplyScalar(P).floor(),R=N;if(we.bindFramebuffer(36160,X)&&xe.drawBuffers&&H){let Ce=!1;if(E)if(E.isWebGLMultipleRenderTargets){let Ge=E.texture;if(G.length!==Ge.length||G[0]!==36064){for(let 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Ce=E.texture,Ge=Ce.format,Le=Ce.type;if(Ge!==ct&&T.convert(Ge)!==J.getParameter(35739)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");return}let Ne=Le===Di&&(be.has("EXT_color_buffer_half_float")||xe.isWebGL2&&be.has("EXT_color_buffer_float"));if(Le!==it&&T.convert(Le)!==J.getParameter(35738)&&!(Le===cn&&(xe.isWebGL2||be.has("OES_texture_float")||be.has("WEBGL_color_buffer_float")))&&!Ne){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");return}J.checkFramebufferStatus(36160)===36053?B>=0&&B<=E.width-H&&k>=0&&k<=E.height-X&&J.readPixels(B,k,H,X,T.convert(Ge),T.convert(Le),Se):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. 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X=B.image.width,Se=B.image.height,Ae=T.convert(k.format),De=T.convert(k.type);$.setTexture2D(k,0),J.pixelStorei(37440,k.flipY),J.pixelStorei(37441,k.premultiplyAlpha),J.pixelStorei(3317,k.unpackAlignment),B.isDataTexture?J.texSubImage2D(3553,H,E.x,E.y,X,Se,Ae,De,B.image.data):B.isCompressedTexture?J.compressedTexSubImage2D(3553,H,E.x,E.y,B.mipmaps[0].width,B.mipmaps[0].height,Ae,B.mipmaps[0].data):J.texSubImage2D(3553,H,E.x,E.y,Ae,De,B.image),H===0&&k.generateMipmaps&&J.generateMipmap(3553),we.unbindTexture()},this.copyTextureToTexture3D=function(E,B,k,H,X=0){if(v.isWebGL1Renderer){console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");return}let Se=E.max.x-E.min.x+1,Ae=E.max.y-E.min.y+1,De=E.max.z-E.min.z+1,Ce=T.convert(H.format),Ge=T.convert(H.type),Le;if(H.isDataTexture3D)$.setTexture3D(H,0),Le=32879;else if(H.isDataTexture2DArray)$.setTexture2DArray(H,0),Le=35866;else{console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports 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ci=class{constructor(e,t){this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=dr,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=jt()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let i=0,r=this.stride;i<r;i++)this.array[e+i]=t.array[n+i];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){e.arrayBuffers===void 0&&(e.arrayBuffers={}),this.array.buffer._uuid===void 0&&(this.array.buffer._uuid=jt()),e.arrayBuffers[this.array.buffer._uuid]===void 0&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);let t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(t,this.stride);return n.setUsage(this.usage),n}onUpload(e){return this.onUploadCallback=e,this}toJSON(e){return e.arrayBuffers===void 0&&(e.arrayBuffers={}),this.array.buffer._uuid===void 0&&(this.array.buffer._uuid=jt()),e.arrayBuffers[this.array.buffer._uuid]===void 0&&(e.arrayBuffers[this.array.buffer._uuid]=Array.prototype.slice.call(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}};ci.prototype.isInterleavedBuffer=!0;var vt=new A,Nn=class{constructor(e,t,n,i=!1){this.name="",this.data=e,this.itemSize=t,this.offset=n,this.normalized=i===!0}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,n=this.data.count;t<n;t++)vt.x=this.getX(t),vt.y=this.getY(t),vt.z=this.getZ(t),vt.applyMatrix4(e),this.setXYZ(t,vt.x,vt.y,vt.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)vt.x=this.getX(t),vt.y=this.getY(t),vt.z=this.getZ(t),vt.applyNormalMatrix(e),this.setXYZ(t,vt.x,vt.y,vt.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)vt.x=this.getX(t),vt.y=this.getY(t),vt.z=this.getZ(t),vt.transformDirection(e),this.setXYZ(t,vt.x,vt.y,vt.z);return this}setX(e,t){return this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){return this.data.array[e*this.data.stride+this.offset]}getY(e){return this.data.array[e*this.data.stride+this.offset+1]}getZ(e){return this.data.array[e*this.data.stride+this.offset+2]}getW(e){return this.data.array[e*this.data.stride+this.offset+3]}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=n,this}setXYZ(e,t,n,i){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=i,this}setXYZW(e,t,n,i,r){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=i,this.data.array[e+3]=r,this}clone(e){if(e===void 0){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");let t=[];for(let n=0;n<this.count;n++){let i=n*this.data.stride+this.offset;for(let r=0;r<this.itemSize;r++)t.push(this.data.array[i+r])}return new pe(new this.array.constructor(t),this.itemSize,this.normalized)}else return e.interleavedBuffers===void 0&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===void 0&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new Nn(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(e===void 0){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");let t=[];for(let n=0;n<this.count;n++){let i=n*this.data.stride+this.offset;for(let r=0;r<this.itemSize;r++)t.push(this.data.array[i+r])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}else return e.interleavedBuffers===void 0&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===void 0&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}};Nn.prototype.isInterleavedBufferAttribute=!0;var Wi=class extends ht{constructor(e){super();this.type="SpriteMaterial",this.color=new ee(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this}};Wi.prototype.isSpriteMaterial=!0;var Or,js=new A,Ur=new A,Nr=new A,Hr=new U,Ys=new U,uf=new ge,$a=new A,Xs=new A,eo=new A,hf=new U,vc=new U,df=new U,ji=class extends Te{constructor(e){super();if(this.type="Sprite",Or===void 0){Or=new de;let t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),n=new ci(t,5);Or.setIndex([0,1,2,0,2,3]),Or.setAttribute("position",new Nn(n,3,0,!1)),Or.setAttribute("uv",new Nn(n,2,3,!1))}this.geometry=Or,this.material=e!==void 0?e:new Wi,this.center=new U(.5,.5)}raycast(e,t){e.camera===null&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Ur.setFromMatrixScale(this.matrixWorld),uf.copy(e.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(e.camera.matrixWorldInverse,this.matrixWorld),Nr.setFromMatrixPosition(this.modelViewMatrix),e.camera.isPerspectiveCamera&&this.material.sizeAttenuation===!1&&Ur.multiplyScalar(-Nr.z);let n=this.material.rotation,i,r;n!==0&&(r=Math.cos(n),i=Math.sin(n));let a=this.center;to($a.set(-.5,-.5,0),Nr,a,Ur,i,r),to(Xs.set(.5,-.5,0),Nr,a,Ur,i,r),to(eo.set(.5,.5,0),Nr,a,Ur,i,r),hf.set(0,0),vc.set(1,0),df.set(1,1);let o=e.ray.intersectTriangle($a,Xs,eo,!1,js);if(o===null&&(to(Xs.set(-.5,.5,0),Nr,a,Ur,i,r),vc.set(0,1),o=e.ray.intersectTriangle($a,eo,Xs,!1,js),o===null))return;let l=e.ray.origin.distanceTo(js);l<e.near||l>e.far||t.push({distance:l,point:js.clone(),uv:ut.getUV(js,$a,Xs,eo,hf,vc,df,new U),face:null,object:this})}copy(e){return super.copy(e),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};ji.prototype.isSprite=!0;function to(s,e,t,n,i,r){Hr.subVectors(s,t).addScalar(.5).multiply(n),i!==void 0?(Ys.x=r*Hr.x-i*Hr.y,Ys.y=i*Hr.x+r*Hr.y):Ys.copy(Hr),s.copy(e),s.x+=Ys.x,s.y+=Ys.y,s.applyMatrix4(uf)}var no=new A,ff=new A,zr=class extends Te{constructor(){super();this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);let t=e.levels;for(let n=0,i=t.length;n<i;n++){let r=t[n];this.addLevel(r.object.clone(),r.distance)}return this.autoUpdate=e.autoUpdate,this}addLevel(e,t=0){t=Math.abs(t);let n=this.levels,i;for(i=0;i<n.length&&!(t<n[i].distance);i++);return n.splice(i,0,{distance:t,object:e}),this.add(e),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(e){let t=this.levels;if(t.length>0){let n,i;for(n=1,i=t.length;n<i&&!(e<t[n].distance);n++);return t[n-1].object}return null}raycast(e,t){if(this.levels.length>0){no.setFromMatrixPosition(this.matrixWorld);let i=e.ray.origin.distanceTo(no);this.getObjectForDistance(i).raycast(e,t)}}update(e){let t=this.levels;if(t.length>1){no.setFromMatrixPosition(e.matrixWorld),ff.setFromMatrixPosition(this.matrixWorld);let n=no.distanceTo(ff)/e.zoom;t[0].object.visible=!0;let i,r;for(i=1,r=t.length;i<r&&n>=t[i].distance;i++)t[i-1].object.visible=!1,t[i].object.visible=!0;for(this._currentLevel=i-1;i<r;i++)t[i].object.visible=!1}}toJSON(e){let t=super.toJSON(e);this.autoUpdate===!1&&(t.object.autoUpdate=!1),t.object.levels=[];let n=this.levels;for(let i=0,r=n.length;i<r;i++){let a=n[i];t.object.levels.push({object:a.object.uuid,distance:a.distance})}return t}},pf=new A,mf=new Ye,gf=new Ye,Vy=new A,vf=new ge,Qs=class extends He{constructor(e,t){super(e,t);this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new ge,this.bindMatrixInverse=new ge}copy(e){return super.copy(e),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,this}bind(e,t){this.skeleton=e,t===void 0&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){let e=new Ye,t=this.geometry.attributes.skinWeight;for(let n=0,i=t.count;n<i;n++){e.x=t.getX(n),e.y=t.getY(n),e.z=t.getZ(n),e.w=t.getW(n);let r=1/e.manhattanLength();r!==1/0?e.multiplyScalar(r):e.set(1,0,0,0),t.setXYZW(n,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),this.bindMode==="attached"?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode==="detached"?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}boneTransform(e,t){let n=this.skeleton,i=this.geometry;mf.fromBufferAttribute(i.attributes.skinIndex,e),gf.fromBufferAttribute(i.attributes.skinWeight,e),pf.copy(t).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let r=0;r<4;r++){let a=gf.getComponent(r);if(a!==0){let o=mf.getComponent(r);vf.multiplyMatrices(n.bones[o].matrixWorld,n.boneInverses[o]),t.addScaledVector(Vy.copy(pf).applyMatrix4(vf),a)}}return t.applyMatrix4(this.bindMatrixInverse)}};Qs.prototype.isSkinnedMesh=!0;var qs=class extends Te{constructor(){super();this.type="Bone"}};qs.prototype.isBone=!0;var Hn=class extends bt{constructor(e=null,t=1,n=1,i,r,a,o,l,c=yt,u=yt,h,d){super(null,a,o,l,c,u,i,r,h,d);this.image={data:e,width:t,height:n},this.magFilter=c,this.minFilter=u,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}};Hn.prototype.isDataTexture=!0;var xf=new ge,Wy=new ge,Zs=class{constructor(e=[],t=[]){this.uuid=jt(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){let e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(e.length*16),t.length===0)this.calculateInverses();else if(e.length!==t.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let n=0,i=this.bones.length;n<i;n++)this.boneInverses.push(new ge)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){let n=new ge;this.bones[e]&&n.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(n)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){let n=this.bones[e];n&&n.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){let n=this.bones[e];n&&(n.parent&&n.parent.isBone?(n.matrix.copy(n.parent.matrixWorld).invert(),n.matrix.multiply(n.matrixWorld)):n.matrix.copy(n.matrixWorld),n.matrix.decompose(n.position,n.quaternion,n.scale))}}update(){let e=this.bones,t=this.boneInverses,n=this.boneMatrices,i=this.boneTexture;for(let r=0,a=e.length;r<a;r++){let o=e[r]?e[r].matrixWorld:Wy;xf.multiplyMatrices(o,t[r]),xf.toArray(n,r*16)}i!==null&&(i.needsUpdate=!0)}clone(){return new Zs(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(this.bones.length*4);e=hd(e),e=Math.max(e,4);let t=new Float32Array(e*e*4);t.set(this.boneMatrices);let n=new Hn(t,e,e,ct,cn);return this.boneMatrices=t,this.boneTexture=n,this.boneTextureSize=e,this}getBoneByName(e){for(let t=0,n=this.bones.length;t<n;t++){let i=this.bones[t];if(i.name===e)return i}}dispose(){this.boneTexture!==null&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,i=e.bones.length;n<i;n++){let r=e.bones[n],a=t[r];a===void 0&&(console.warn("THREE.Skeleton: No bone found with UUID:",r),a=new qs),this.bones.push(a),this.boneInverses.push(new ge().fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){let e={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;let t=this.bones,n=this.boneInverses;for(let i=0,r=t.length;i<r;i++){let a=t[i];e.bones.push(a.uuid);let o=n[i];e.boneInverses.push(o.toArray())}return e}},ui=class extends pe{constructor(e,t,n,i=1){typeof n=="number"&&(i=n,n=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument."));super(e,t,n);this.meshPerAttribute=i}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){let e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}};ui.prototype.isInstancedBufferAttribute=!0;var yf=new ge,wf=new ge,io=[],Js=new He,ro=class extends He{constructor(e,t,n){super(e,t);this.instanceMatrix=new ui(new Float32Array(n*16),16),this.instanceColor=null,this.count=n,this.frustumCulled=!1}copy(e){return super.copy(e),this.instanceMatrix.copy(e.instanceMatrix),e.instanceColor!==null&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,this}getColorAt(e,t){t.fromArray(this.instanceColor.array,e*3)}getMatrixAt(e,t){t.fromArray(this.instanceMatrix.array,e*16)}raycast(e,t){let n=this.matrixWorld,i=this.count;if(Js.geometry=this.geometry,Js.material=this.material,Js.material!==void 0)for(let r=0;r<i;r++){this.getMatrixAt(r,yf),wf.multiplyMatrices(n,yf),Js.matrixWorld=wf,Js.raycast(e,io);for(let a=0,o=io.length;a<o;a++){let l=io[a];l.instanceId=r,l.object=this,t.push(l)}io.length=0}}setColorAt(e,t){this.instanceColor===null&&(this.instanceColor=new ui(new Float32Array(this.instanceMatrix.count*3),3)),t.toArray(this.instanceColor.array,e*3)}setMatrixAt(e,t){t.toArray(this.instanceMatrix.array,e*16)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}};ro.prototype.isInstancedMesh=!0;var Ze=class extends ht{constructor(e){super();this.type="LineBasicMaterial",this.color=new ee(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this}};Ze.prototype.isLineBasicMaterial=!0;var bf=new A,Af=new A,Mf=new ge,xc=new In,so=new Dn,Vt=class extends Te{constructor(e=new de,t=new Ze){super();this.type="Line",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e){return super.copy(e),this.material=e.material,this.geometry=e.geometry,this}computeLineDistances(){let e=this.geometry;if(e.isBufferGeometry)if(e.index===null){let t=e.attributes.position,n=[0];for(let i=1,r=t.count;i<r;i++)bf.fromBufferAttribute(t,i-1),Af.fromBufferAttribute(t,i),n[i]=n[i-1],n[i]+=bf.distanceTo(Af);e.setAttribute("lineDistance",new ce(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}raycast(e,t){let n=this.geometry,i=this.matrixWorld,r=e.params.Line.threshold,a=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),so.copy(n.boundingSphere),so.applyMatrix4(i),so.radius+=r,e.ray.intersectsSphere(so)===!1)return;Mf.copy(i).invert(),xc.copy(e.ray).applyMatrix4(Mf);let o=r/((this.scale.x+this.scale.y+this.scale.z)/3),l=o*o,c=new A,u=new A,h=new A,d=new A,f=this.isLineSegments?2:1;if(n.isBufferGeometry){let p=n.index,x=n.attributes.position;if(p!==null){let g=Math.max(0,a.start),m=Math.min(p.count,a.start+a.count);for(let w=g,y=m-1;w<y;w+=f){let M=p.getX(w),S=p.getX(w+1);if(c.fromBufferAttribute(x,M),u.fromBufferAttribute(x,S),xc.distanceSqToSegment(c,u,d,h)>l)continue;d.applyMatrix4(this.matrixWorld);let R=e.ray.origin.distanceTo(d);R<e.near||R>e.far||t.push({distance:R,point:h.clone().applyMatrix4(this.matrixWorld),index:w,face:null,faceIndex:null,object:this})}}else{let g=Math.max(0,a.start),m=Math.min(x.count,a.start+a.count);for(let w=g,y=m-1;w<y;w+=f){if(c.fromBufferAttribute(x,w),u.fromBufferAttribute(x,w+1),xc.distanceSqToSegment(c,u,d,h)>l)continue;d.applyMatrix4(this.matrixWorld);let S=e.ray.origin.distanceTo(d);S<e.near||S>e.far||t.push({distance:S,point:h.clone().applyMatrix4(this.matrixWorld),index:w,face:null,faceIndex:null,object:this})}}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){let e=this.geometry;if(e.isBufferGeometry){let t=e.morphAttributes,n=Object.keys(t);if(n.length>0){let i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let r=0,a=i.length;r<a;r++){let o=i[r].name||String(r);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=r}}}}else{let t=e.morphTargets;t!==void 0&&t.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}};Vt.prototype.isLine=!0;var Ef=new A,_f=new A,At=class extends Vt{constructor(e,t){super(e,t);this.type="LineSegments"}computeLineDistances(){let e=this.geometry;if(e.isBufferGeometry)if(e.index===null){let t=e.attributes.position,n=[];for(let i=0,r=t.count;i<r;i+=2)Ef.fromBufferAttribute(t,i),_f.fromBufferAttribute(t,i+1),n[i]=i===0?0:n[i-1],n[i+1]=n[i]+Ef.distanceTo(_f);e.setAttribute("lineDistance",new ce(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}};At.prototype.isLineSegments=!0;var ao=class extends Vt{constructor(e,t){super(e,t);this.type="LineLoop"}};ao.prototype.isLineLoop=!0;var Qt=class extends ht{constructor(e){super();this.type="PointsMaterial",this.color=new ee(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this}};Qt.prototype.isPointsMaterial=!0;var Tf=new ge,yc=new In,oo=new Dn,lo=new A,Ot=class extends Te{constructor(e=new de,t=new Qt){super();this.type="Points",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e){return super.copy(e),this.material=e.material,this.geometry=e.geometry,this}raycast(e,t){let n=this.geometry,i=this.matrixWorld,r=e.params.Points.threshold,a=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),oo.copy(n.boundingSphere),oo.applyMatrix4(i),oo.radius+=r,e.ray.intersectsSphere(oo)===!1)return;Tf.copy(i).invert(),yc.copy(e.ray).applyMatrix4(Tf);let o=r/((this.scale.x+this.scale.y+this.scale.z)/3),l=o*o;if(n.isBufferGeometry){let c=n.index,h=n.attributes.position;if(c!==null){let d=Math.max(0,a.start),f=Math.min(c.count,a.start+a.count);for(let p=d,v=f;p<v;p++){let x=c.getX(p);lo.fromBufferAttribute(h,x),Sf(lo,x,l,i,e,t,this)}}else{let d=Math.max(0,a.start),f=Math.min(h.count,a.start+a.count);for(let p=d,v=f;p<v;p++)lo.fromBufferAttribute(h,p),Sf(lo,p,l,i,e,t,this)}}else console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){let e=this.geometry;if(e.isBufferGeometry){let t=e.morphAttributes,n=Object.keys(t);if(n.length>0){let i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let r=0,a=i.length;r<a;r++){let o=i[r].name||String(r);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=r}}}}else{let t=e.morphTargets;t!==void 0&&t.length>0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}};Ot.prototype.isPoints=!0;function Sf(s,e,t,n,i,r,a){let o=yc.distanceSqToPoint(s);if(o<t){let l=new A;yc.closestPointToPoint(s,l),l.applyMatrix4(n);let c=i.ray.origin.distanceTo(l);if(c<i.near||c>i.far)return;r.push({distance:c,distanceToRay:Math.sqrt(o),point:l,index:e,face:null,object:a})}}var wc=class extends bt{constructor(e,t,n,i,r,a,o,l,c){super(e,t,n,i,r,a,o,l,c);this.format=o!==void 0?o:Pt,this.minFilter=a!==void 0?a:ke,this.magFilter=r!==void 0?r:ke,this.generateMipmaps=!1;let u=this;function h(){u.needsUpdate=!0,e.requestVideoFrameCallback(h)}"requestVideoFrameCallback"in e&&e.requestVideoFrameCallback(h)}clone(){return new this.constructor(this.image).copy(this)}update(){let e=this.image;"requestVideoFrameCallback"in e===!1&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}};wc.prototype.isVideoTexture=!0;var co=class extends bt{constructor(e,t,n,i,r,a,o,l,c,u,h,d){super(null,a,o,l,c,u,i,r,h,d);this.image={width:t,height:n},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}};co.prototype.isCompressedTexture=!0;var bc=class extends bt{constructor(e,t,n,i,r,a,o,l,c){super(e,t,n,i,r,a,o,l,c);this.needsUpdate=!0}};bc.prototype.isCanvasTexture=!0;var Gr=class extends de{constructor(e=1,t=8,n=0,i=Math.PI*2){super();this.type="CircleGeometry",this.parameters={radius:e,segments:t,thetaStart:n,thetaLength:i},t=Math.max(3,t);let r=[],a=[],o=[],l=[],c=new A,u=new U;a.push(0,0,0),o.push(0,0,1),l.push(.5,.5);for(let h=0,d=3;h<=t;h++,d+=3){let f=n+h/t*i;c.x=e*Math.cos(f),c.y=e*Math.sin(f),a.push(c.x,c.y,c.z),o.push(0,0,1),u.x=(a[d]/e+1)/2,u.y=(a[d+1]/e+1)/2,l.push(u.x,u.y)}for(let h=1;h<=t;h++)r.push(h,h+1,0);this.setIndex(r),this.setAttribute("position",new ce(a,3)),this.setAttribute("normal",new ce(o,3)),this.setAttribute("uv",new ce(l,2))}static fromJSON(e){return new Gr(e.radius,e.segments,e.thetaStart,e.thetaLength)}},hi=class extends de{constructor(e=1,t=1,n=1,i=8,r=1,a=!1,o=0,l=Math.PI*2){super();this.type="CylinderGeometry",this.parameters={radiusTop:e,radiusBottom:t,height:n,radialSegments:i,heightSegments:r,openEnded:a,thetaStart:o,thetaLength:l};let c=this;i=Math.floor(i),r=Math.floor(r);let u=[],h=[],d=[],f=[],p=0,v=[],x=n/2,g=0;m(),a===!1&&(e>0&&w(!0),t>0&&w(!1)),this.setIndex(u),this.setAttribute("position",new ce(h,3)),this.setAttribute("normal",new ce(d,3)),this.setAttribute("uv",new ce(f,2));function m(){let y=new A,M=new A,S=0,b=(t-e)/n;for(let R=0;R<=r;R++){let I=[],L=R/r,P=L*(t-e)+e;for(let Z=0;Z<=i;Z++){let O=Z/i,F=O*l+o,z=Math.sin(F),N=Math.cos(F);M.x=P*z,M.y=-L*n+x,M.z=P*N,h.push(M.x,M.y,M.z),y.set(z,b,N).normalize(),d.push(y.x,y.y,y.z),f.push(O,1-L),I.push(p++)}v.push(I)}for(let R=0;R<i;R++)for(let I=0;I<r;I++){let L=v[I][R],P=v[I+1][R],Z=v[I+1][R+1],O=v[I][R+1];u.push(L,P,O),u.push(P,Z,O),S+=6}c.addGroup(g,S,0),g+=S}function w(y){let M=p,S=new U,b=new A,R=0,I=y===!0?e:t,L=y===!0?1:-1;for(let Z=1;Z<=i;Z++)h.push(0,x*L,0),d.push(0,L,0),f.push(.5,.5),p++;let P=p;for(let Z=0;Z<=i;Z++){let F=Z/i*l+o,z=Math.cos(F),N=Math.sin(F);b.x=I*N,b.y=x*L,b.z=I*z,h.push(b.x,b.y,b.z),d.push(0,L,0),S.x=z*.5+.5,S.y=N*.5*L+.5,f.push(S.x,S.y),p++}for(let Z=0;Z<i;Z++){let O=M+Z,F=P+Z;y===!0?u.push(F,F+1,O):u.push(F+1,F,O),R+=3}c.addGroup(g,R,y===!0?1:2),g+=R}}static fromJSON(e){return new hi(e.radiusTop,e.radiusBottom,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}},kr=class extends hi{constructor(e=1,t=1,n=8,i=1,r=!1,a=0,o=Math.PI*2){super(0,e,t,n,i,r,a,o);this.type="ConeGeometry",this.parameters={radius:e,height:t,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:a,thetaLength:o}}static fromJSON(e){return new kr(e.radius,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}},bn=class extends de{constructor(e=[],t=[],n=1,i=0){super();this.type="PolyhedronGeometry",this.parameters={vertices:e,indices:t,radius:n,detail:i};let r=[],a=[];o(i),c(n),u(),this.setAttribute("position",new ce(r,3)),this.setAttribute("normal",new ce(r.slice(),3)),this.setAttribute("uv",new ce(a,2)),i===0?this.computeVertexNormals():this.normalizeNormals();function o(m){let w=new A,y=new A,M=new A;for(let S=0;S<t.length;S+=3)f(t[S+0],w),f(t[S+1],y),f(t[S+2],M),l(w,y,M,m)}function l(m,w,y,M){let S=M+1,b=[];for(let R=0;R<=S;R++){b[R]=[];let I=m.clone().lerp(y,R/S),L=w.clone().lerp(y,R/S),P=S-R;for(let Z=0;Z<=P;Z++)Z===0&&R===S?b[R][Z]=I:b[R][Z]=I.clone().lerp(L,Z/P)}for(let R=0;R<S;R++)for(let I=0;I<2*(S-R)-1;I++){let L=Math.floor(I/2);I%2==0?(d(b[R][L+1]),d(b[R+1][L]),d(b[R][L])):(d(b[R][L+1]),d(b[R+1][L+1]),d(b[R+1][L]))}}function c(m){let w=new A;for(let y=0;y<r.length;y+=3)w.x=r[y+0],w.y=r[y+1],w.z=r[y+2],w.normalize().multiplyScalar(m),r[y+0]=w.x,r[y+1]=w.y,r[y+2]=w.z}function u(){let m=new A;for(let w=0;w<r.length;w+=3){m.x=r[w+0],m.y=r[w+1],m.z=r[w+2];let y=x(m)/2/Math.PI+.5,M=g(m)/Math.PI+.5;a.push(y,1-M)}p(),h()}function h(){for(let m=0;m<a.length;m+=6){let w=a[m+0],y=a[m+2],M=a[m+4],S=Math.max(w,y,M),b=Math.min(w,y,M);S>.9&&b<.1&&(w<.2&&(a[m+0]+=1),y<.2&&(a[m+2]+=1),M<.2&&(a[m+4]+=1))}}function d(m){r.push(m.x,m.y,m.z)}function f(m,w){let y=m*3;w.x=e[y+0],w.y=e[y+1],w.z=e[y+2]}function p(){let m=new A,w=new A,y=new A,M=new A,S=new U,b=new U,R=new U;for(let I=0,L=0;I<r.length;I+=9,L+=6){m.set(r[I+0],r[I+1],r[I+2]),w.set(r[I+3],r[I+4],r[I+5]),y.set(r[I+6],r[I+7],r[I+8]),S.set(a[L+0],a[L+1]),b.set(a[L+2],a[L+3]),R.set(a[L+4],a[L+5]),M.copy(m).add(w).add(y).divideScalar(3);let P=x(M);v(S,L+0,m,P),v(b,L+2,w,P),v(R,L+4,y,P)}}function v(m,w,y,M){M<0&&m.x===1&&(a[w]=m.x-1),y.x===0&&y.z===0&&(a[w]=M/2/Math.PI+.5)}function x(m){return Math.atan2(m.z,-m.x)}function g(m){return Math.atan2(-m.y,Math.sqrt(m.x*m.x+m.z*m.z))}}static fromJSON(e){return new bn(e.vertices,e.indices,e.radius,e.details)}},Vr=class extends bn{constructor(e=1,t=0){let n=(1+Math.sqrt(5))/2,i=1/n,r=[-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i],a=[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9];super(r,a,e,t);this.type="DodecahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new Vr(e.radius,e.detail)}},uo=new A,ho=new A,Ac=new A,fo=new ut,po=class extends de{constructor(e=null,t=1){super();if(this.type="EdgesGeometry",this.parameters={geometry:e,thresholdAngle:t},e!==null){let i=Math.pow(10,4),r=Math.cos(Fi*t),a=e.getIndex(),o=e.getAttribute("position"),l=a?a.count:o.count,c=[0,0,0],u=["a","b","c"],h=new Array(3),d={},f=[];for(let p=0;p<l;p+=3){a?(c[0]=a.getX(p),c[1]=a.getX(p+1),c[2]=a.getX(p+2)):(c[0]=p,c[1]=p+1,c[2]=p+2);let{a:v,b:x,c:g}=fo;if(v.fromBufferAttribute(o,c[0]),x.fromBufferAttribute(o,c[1]),g.fromBufferAttribute(o,c[2]),fo.getNormal(Ac),h[0]=`${Math.round(v.x*i)},${Math.round(v.y*i)},${Math.round(v.z*i)}`,h[1]=`${Math.round(x.x*i)},${Math.round(x.y*i)},${Math.round(x.z*i)}`,h[2]=`${Math.round(g.x*i)},${Math.round(g.y*i)},${Math.round(g.z*i)}`,!(h[0]===h[1]||h[1]===h[2]||h[2]===h[0]))for(let m=0;m<3;m++){let w=(m+1)%3,y=h[m],M=h[w],S=fo[u[m]],b=fo[u[w]],R=`${y}_${M}`,I=`${M}_${y}`;I in d&&d[I]?(Ac.dot(d[I].normal)<=r&&(f.push(S.x,S.y,S.z),f.push(b.x,b.y,b.z)),d[I]=null):R in d||(d[R]={index0:c[m],index1:c[w],normal:Ac.clone()})}}for(let p in d)if(d[p]){let{index0:v,index1:x}=d[p];uo.fromBufferAttribute(o,v),ho.fromBufferAttribute(o,x),f.push(uo.x,uo.y,uo.z),f.push(ho.x,ho.y,ho.z)}this.setAttribute("position",new ce(f,3))}}},Wt=class{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(e,t){let n=this.getUtoTmapping(e);return this.getPoint(n,t)}getPoints(e=5){let t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return t}getSpacedPoints(e=5){let t=[];for(let n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t}getLength(){let e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;let t=[],n,i=this.getPoint(0),r=0;t.push(0);for(let a=1;a<=e;a++)n=this.getPoint(a/e),r+=n.distanceTo(i),t.push(r),i=n;return this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t){let n=this.getLengths(),i=0,r=n.length,a;t?a=t:a=e*n[r-1];let o=0,l=r-1,c;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),c=n[i]-a,c<0)o=i+1;else if(c>0)l=i-1;else{l=i;break}if(i=l,n[i]===a)return i/(r-1);let u=n[i],d=n[i+1]-u,f=(a-u)/d;return(i+f)/(r-1)}getTangent(e,t){let n=1e-4,i=e-n,r=e+n;i<0&&(i=0),r>1&&(r=1);let a=this.getPoint(i),o=this.getPoint(r),l=t||(a.isVector2?new U:new A);return l.copy(o).sub(a).normalize(),l}getTangentAt(e,t){let n=this.getUtoTmapping(e);return this.getTangent(n,t)}computeFrenetFrames(e,t){let n=new A,i=[],r=[],a=[],o=new A,l=new ge;for(let f=0;f<=e;f++){let p=f/e;i[f]=this.getTangentAt(p,new A)}r[0]=new A,a[0]=new A;let c=Number.MAX_VALUE,u=Math.abs(i[0].x),h=Math.abs(i[0].y),d=Math.abs(i[0].z);u<=c&&(c=u,n.set(1,0,0)),h<=c&&(c=h,n.set(0,1,0)),d<=c&&n.set(0,0,1),o.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],o),a[0].crossVectors(i[0],r[0]);for(let f=1;f<=e;f++){if(r[f]=r[f-1].clone(),a[f]=a[f-1].clone(),o.crossVectors(i[f-1],i[f]),o.length()>Number.EPSILON){o.normalize();let p=Math.acos(Lt(i[f-1].dot(i[f]),-1,1));r[f].applyMatrix4(l.makeRotationAxis(o,p))}a[f].crossVectors(i[f],r[f])}if(t===!0){let f=Math.acos(Lt(r[0].dot(r[e]),-1,1));f/=e,i[0].dot(o.crossVectors(r[0],r[e]))>0&&(f=-f);for(let p=1;p<=e;p++)r[p].applyMatrix4(l.makeRotationAxis(i[p],f*p)),a[p].crossVectors(i[p],r[p])}return{tangents:i,normals:r,binormals:a}}clone(){return new this.constructor().copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){let e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}},Wr=class extends Wt{constructor(e=0,t=0,n=1,i=1,r=0,a=Math.PI*2,o=!1,l=0){super();this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=a,this.aClockwise=o,this.aRotation=l}getPoint(e,t){let n=t||new U,i=Math.PI*2,r=this.aEndAngle-this.aStartAngle,a=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(a?r=0:r=i),this.aClockwise===!0&&!a&&(r===i?r=-i:r=r-i);let o=this.aStartAngle+e*r,l=this.aX+this.xRadius*Math.cos(o),c=this.aY+this.yRadius*Math.sin(o);if(this.aRotation!==0){let u=Math.cos(this.aRotation),h=Math.sin(this.aRotation),d=l-this.aX,f=c-this.aY;l=d*u-f*h+this.aX,c=d*h+f*u+this.aY}return n.set(l,c)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){let e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}};Wr.prototype.isEllipseCurve=!0;var mo=class extends Wr{constructor(e,t,n,i,r,a){super(e,t,n,n,i,r,a);this.type="ArcCurve"}};mo.prototype.isArcCurve=!0;function Mc(){let s=0,e=0,t=0,n=0;function i(r,a,o,l){s=r,e=o,t=-3*r+3*a-2*o-l,n=2*r-2*a+o+l}return{initCatmullRom:function(r,a,o,l,c){i(a,o,c*(o-r),c*(l-a))},initNonuniformCatmullRom:function(r,a,o,l,c,u,h){let d=(a-r)/c-(o-r)/(c+u)+(o-a)/u,f=(o-a)/u-(l-a)/(u+h)+(l-o)/h;d*=u,f*=u,i(a,o,d,f)},calc:function(r){let a=r*r,o=a*r;return s+e*r+t*a+n*o}}}var go=new A,Ec=new Mc,_c=new Mc,Tc=new Mc,vo=class extends Wt{constructor(e=[],t=!1,n="centripetal",i=.5){super();this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=n,this.tension=i}getPoint(e,t=new A){let n=t,i=this.points,r=i.length,a=(r-(this.closed?0:1))*e,o=Math.floor(a),l=a-o;this.closed?o+=o>0?0:(Math.floor(Math.abs(o)/r)+1)*r:l===0&&o===r-1&&(o=r-2,l=1);let c,u;this.closed||o>0?c=i[(o-1)%r]:(go.subVectors(i[0],i[1]).add(i[0]),c=go);let h=i[o%r],d=i[(o+1)%r];if(this.closed||o+2<r?u=i[(o+2)%r]:(go.subVectors(i[r-1],i[r-2]).add(i[r-1]),u=go),this.curveType==="centripetal"||this.curveType==="chordal"){let f=this.curveType==="chordal"?.5:.25,p=Math.pow(c.distanceToSquared(h),f),v=Math.pow(h.distanceToSquared(d),f),x=Math.pow(d.distanceToSquared(u),f);v<1e-4&&(v=1),p<1e-4&&(p=v),x<1e-4&&(x=v),Ec.initNonuniformCatmullRom(c.x,h.x,d.x,u.x,p,v,x),_c.initNonuniformCatmullRom(c.y,h.y,d.y,u.y,p,v,x),Tc.initNonuniformCatmullRom(c.z,h.z,d.z,u.z,p,v,x)}else this.curveType==="catmullrom"&&(Ec.initCatmullRom(c.x,h.x,d.x,u.x,this.tension),_c.initCatmullRom(c.y,h.y,d.y,u.y,this.tension),Tc.initCatmullRom(c.z,h.z,d.z,u.z,this.tension));return n.set(Ec.calc(l),_c.calc(l),Tc.calc(l)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let i=e.points[t];this.points.push(i.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){let e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){let i=this.points[t];e.points.push(i.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let i=e.points[t];this.points.push(new A().fromArray(i))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}};vo.prototype.isCatmullRomCurve3=!0;function Cf(s,e,t,n,i){let r=(n-e)*.5,a=(i-t)*.5,o=s*s,l=s*o;return(2*t-2*n+r+a)*l+(-3*t+3*n-2*r-a)*o+r*s+t}function jy(s,e){let t=1-s;return t*t*e}function Yy(s,e){return 2*(1-s)*s*e}function Xy(s,e){return s*s*e}function Ks(s,e,t,n){return jy(s,e)+Yy(s,t)+Xy(s,n)}function Qy(s,e){let t=1-s;return t*t*t*e}function qy(s,e){let t=1-s;return 3*t*t*s*e}function Zy(s,e){return 3*(1-s)*s*s*e}function Jy(s,e){return s*s*s*e}function $s(s,e,t,n,i){return Qy(s,e)+qy(s,t)+Zy(s,n)+Jy(s,i)}var ea=class extends Wt{constructor(e=new U,t=new U,n=new U,i=new U){super();this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=n,this.v3=i}getPoint(e,t=new U){let n=t,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set($s(e,i.x,r.x,a.x,o.x),$s(e,i.y,r.y,a.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}};ea.prototype.isCubicBezierCurve=!0;var xo=class extends Wt{constructor(e=new A,t=new A,n=new A,i=new A){super();this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=n,this.v3=i}getPoint(e,t=new A){let n=t,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set($s(e,i.x,r.x,a.x,o.x),$s(e,i.y,r.y,a.y,o.y),$s(e,i.z,r.z,a.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}};xo.prototype.isCubicBezierCurve3=!0;var jr=class extends Wt{constructor(e=new U,t=new U){super();this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new U){let n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t){let n=t||new U;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}};jr.prototype.isLineCurve=!0;var Sc=class extends Wt{constructor(e=new A,t=new A){super();this.type="LineCurve3",this.isLineCurve3=!0,this.v1=e,this.v2=t}getPoint(e,t=new A){let n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},ta=class extends Wt{constructor(e=new U,t=new U,n=new U){super();this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new U){let n=t,i=this.v0,r=this.v1,a=this.v2;return n.set(Ks(e,i.x,r.x,a.x),Ks(e,i.y,r.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}};ta.prototype.isQuadraticBezierCurve=!0;var na=class extends Wt{constructor(e=new A,t=new A,n=new A){super();this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new A){let n=t,i=this.v0,r=this.v1,a=this.v2;return n.set(Ks(e,i.x,r.x,a.x),Ks(e,i.y,r.y,a.y),Ks(e,i.z,r.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}};na.prototype.isQuadraticBezierCurve3=!0;var ia=class extends Wt{constructor(e=[]){super();this.type="SplineCurve",this.points=e}getPoint(e,t=new U){let n=t,i=this.points,r=(i.length-1)*e,a=Math.floor(r),o=r-a,l=i[a===0?a:a-1],c=i[a],u=i[a>i.length-2?i.length-1:a+1],h=i[a>i.length-3?i.length-1:a+2];return n.set(Cf(o,l.x,c.x,u.x,h.x),Cf(o,l.y,c.y,u.y,h.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let i=e.points[t];this.points.push(i.clone())}return this}toJSON(){let e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){let i=this.points[t];e.points.push(i.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let i=e.points[t];this.points.push(new U().fromArray(i))}return this}};ia.prototype.isSplineCurve=!0;var Cc=Object.freeze({__proto__:null,ArcCurve:mo,CatmullRomCurve3:vo,CubicBezierCurve:ea,CubicBezierCurve3:xo,EllipseCurve:Wr,LineCurve:jr,LineCurve3:Sc,QuadraticBezierCurve:ta,QuadraticBezierCurve3:na,SplineCurve:ia}),Rc=class extends Wt{constructor(){super();this.type="CurvePath",this.curves=[],this.autoClose=!1}add(e){this.curves.push(e)}closePath(){let e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);e.equals(t)||this.curves.push(new jr(t,e))}getPoint(e,t){let n=e*this.getLength(),i=this.getCurveLengths(),r=0;for(;r<i.length;){if(i[r]>=n){let a=i[r]-n,o=this.curves[r],l=o.getLength(),c=l===0?0:1-a/l;return o.getPointAt(c,t)}r++}return null}getLength(){let e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;let e=[],t=0;for(let n=0,i=this.curves.length;n<i;n++)t+=this.curves[n].getLength(),e.push(t);return this.cacheLengths=e,e}getSpacedPoints(e=40){let t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return this.autoClose&&t.push(t[0]),t}getPoints(e=12){let t=[],n;for(let i=0,r=this.curves;i<r.length;i++){let a=r[i],o=a&&a.isEllipseCurve?e*2:a&&(a.isLineCurve||a.isLineCurve3)?1:a&&a.isSplineCurve?e*a.points.length:e,l=a.getPoints(o);for(let c=0;c<l.length;c++){let u=l[c];n&&n.equals(u)||(t.push(u),n=u)}}return this.autoClose&&t.length>1&&!t[t.length-1].equals(t[0])&&t.push(t[0]),t}copy(e){super.copy(e),this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){let i=e.curves[t];this.curves.push(i.clone())}return this.autoClose=e.autoClose,this}toJSON(){let e=super.toJSON();e.autoClose=this.autoClose,e.curves=[];for(let t=0,n=this.curves.length;t<n;t++){let i=this.curves[t];e.curves.push(i.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.autoClose=e.autoClose,this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){let i=e.curves[t];this.curves.push(new Cc[i.type]().fromJSON(i))}return this}},Yr=class extends Rc{constructor(e){super();this.type="Path",this.currentPoint=new U,e&&this.setFromPoints(e)}setFromPoints(e){this.moveTo(e[0].x,e[0].y);for(let t=1,n=e.length;t<n;t++)this.lineTo(e[t].x,e[t].y);return this}moveTo(e,t){return this.currentPoint.set(e,t),this}lineTo(e,t){let n=new jr(this.currentPoint.clone(),new U(e,t));return this.curves.push(n),this.currentPoint.set(e,t),this}quadraticCurveTo(e,t,n,i){let r=new ta(this.currentPoint.clone(),new U(e,t),new U(n,i));return this.curves.push(r),this.currentPoint.set(n,i),this}bezierCurveTo(e,t,n,i,r,a){let o=new ea(this.currentPoint.clone(),new U(e,t),new U(n,i),new U(r,a));return this.curves.push(o),this.currentPoint.set(r,a),this}splineThru(e){let t=[this.currentPoint.clone()].concat(e),n=new ia(t);return this.curves.push(n),this.currentPoint.copy(e[e.length-1]),this}arc(e,t,n,i,r,a){let o=this.currentPoint.x,l=this.currentPoint.y;return this.absarc(e+o,t+l,n,i,r,a),this}absarc(e,t,n,i,r,a){return this.absellipse(e,t,n,n,i,r,a),this}ellipse(e,t,n,i,r,a,o,l){let c=this.currentPoint.x,u=this.currentPoint.y;return this.absellipse(e+c,t+u,n,i,r,a,o,l),this}absellipse(e,t,n,i,r,a,o,l){let c=new Wr(e,t,n,i,r,a,o,l);if(this.curves.length>0){let h=c.getPoint(0);h.equals(this.currentPoint)||this.lineTo(h.x,h.y)}this.curves.push(c);let u=c.getPoint(1);return this.currentPoint.copy(u),this}copy(e){return super.copy(e),this.currentPoint.copy(e.currentPoint),this}toJSON(){let e=super.toJSON();return e.currentPoint=this.currentPoint.toArray(),e}fromJSON(e){return super.fromJSON(e),this.currentPoint.fromArray(e.currentPoint),this}},mn=class extends Yr{constructor(e){super(e);this.uuid=jt(),this.type="Shape",this.holes=[]}getPointsHoles(e){let t=[];for(let n=0,i=this.holes.length;n<i;n++)t[n]=this.holes[n].getPoints(e);return 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n=[1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],i=[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2];super(n,i,e,t);this.type="OctahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new Yi(e.radius,e.detail)}},fi=class extends de{constructor(e=.5,t=1,n=8,i=1,r=0,a=Math.PI*2){super();this.type="RingGeometry",this.parameters={innerRadius:e,outerRadius:t,thetaSegments:n,phiSegments:i,thetaStart:r,thetaLength:a},n=Math.max(3,n),i=Math.max(1,i);let o=[],l=[],c=[],u=[],h=e,d=(t-e)/i,f=new A,p=new U;for(let v=0;v<=i;v++){for(let x=0;x<=n;x++){let g=r+x/n*a;f.x=h*Math.cos(g),f.y=h*Math.sin(g),l.push(f.x,f.y,f.z),c.push(0,0,1),p.x=(f.x/t+1)/2,p.y=(f.y/t+1)/2,u.push(p.x,p.y)}h+=d}for(let v=0;v<i;v++){let x=v*(n+1);for(let g=0;g<n;g++){let m=g+x,w=m,y=m+n+1,M=m+n+2,S=m+1;o.push(w,y,S),o.push(y,M,S)}}this.setIndex(o),this.setAttribute("position",new ce(l,3)),this.setAttribute("normal",new ce(c,3)),this.setAttribute("uv",new ce(u,2))}static fromJSON(e){return new fi(e.innerRadius,e.outerRadius,e.thetaSegments,e.phiSegments,e.thetaStart,e.thetaLength)}},Xi=class extends de{constructor(e=new mn([new U(0,.5),new U(-.5,-.5),new U(.5,-.5)]),t=12){super();this.type="ShapeGeometry",this.parameters={shapes:e,curveSegments:t};let n=[],i=[],r=[],a=[],o=0,l=0;if(Array.isArray(e)===!1)c(e);else for(let u=0;u<e.length;u++)c(e[u]),this.addGroup(o,l,u),o+=l,l=0;this.setIndex(n),this.setAttribute("position",new ce(i,3)),this.setAttribute("normal",new ce(r,3)),this.setAttribute("uv",new ce(a,2));function c(u){let h=i.length/3,d=u.extractPoints(t),f=d.shape,p=d.holes;gn.isClockWise(f)===!1&&(f=f.reverse());for(let x=0,g=p.length;x<g;x++){let m=p[x];gn.isClockWise(m)===!0&&(p[x]=m.reverse())}let v=gn.triangulateShape(f,p);for(let x=0,g=p.length;x<g;x++){let m=p[x];f=f.concat(m)}for(let x=0,g=f.length;x<g;x++){let m=f[x];i.push(m.x,m.y,0),r.push(0,0,1),a.push(m.x,m.y)}for(let x=0,g=v.length;x<g;x++){let m=v[x],w=m[0]+h,y=m[1]+h,M=m[2]+h;n.push(w,y,M),l+=3}}}toJSON(){let e=super.toJSON(),t=this.parameters.shapes;return vw(t,e)}static fromJSON(e,t){let n=[];for(let i=0,r=e.shapes.length;i<r;i++){let a=t[e.shapes[i]];n.push(a)}return new Xi(n,e.curveSegments)}};function vw(s,e){if(e.shapes=[],Array.isArray(s))for(let t=0,n=s.length;t<n;t++){let i=s[t];e.shapes.push(i.uuid)}else e.shapes.push(s.uuid);return e}var $t=class extends de{constructor(e=1,t=32,n=16,i=0,r=Math.PI*2,a=0,o=Math.PI){super();this.type="SphereGeometry",this.parameters={radius:e,widthSegments:t,heightSegments:n,phiStart:i,phiLength:r,thetaStart:a,thetaLength:o},t=Math.max(3,Math.floor(t)),n=Math.max(2,Math.floor(n));let l=Math.min(a+o,Math.PI),c=0,u=[],h=new A,d=new A,f=[],p=[],v=[],x=[];for(let g=0;g<=n;g++){let m=[],w=g/n,y=0;g==0&&a==0?y=.5/t:g==n&&l==Math.PI&&(y=-.5/t);for(let M=0;M<=t;M++){let S=M/t;h.x=-e*Math.cos(i+S*r)*Math.sin(a+w*o),h.y=e*Math.cos(a+w*o),h.z=e*Math.sin(i+S*r)*Math.sin(a+w*o),p.push(h.x,h.y,h.z),d.copy(h).normalize(),v.push(d.x,d.y,d.z),x.push(S+y,1-w),m.push(c++)}u.push(m)}for(let g=0;g<n;g++)for(let m=0;m<t;m++){let w=u[g][m+1],y=u[g][m],M=u[g+1][m],S=u[g+1][m+1];(g!==0||a>0)&&f.push(w,y,S),(g!==n-1||l<Math.PI)&&f.push(y,M,S)}this.setIndex(f),this.setAttribute("position",new ce(p,3)),this.setAttribute("normal",new ce(v,3)),this.setAttribute("uv",new ce(x,2))}static fromJSON(e){return new $t(e.radius,e.widthSegments,e.heightSegments,e.phiStart,e.phiLength,e.thetaStart,e.thetaLength)}},Zr=class extends bn{constructor(e=1,t=0){let n=[1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],i=[2,1,0,0,3,2,1,3,0,2,3,1];super(n,i,e,t);this.type="TetrahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new Zr(e.radius,e.detail)}},Jr=class extends de{constructor(e=1,t=.4,n=8,i=6,r=Math.PI*2){super();this.type="TorusGeometry",this.parameters={radius:e,tube:t,radialSegments:n,tubularSegments:i,arc:r},n=Math.floor(n),i=Math.floor(i);let a=[],o=[],l=[],c=[],u=new A,h=new A,d=new A;for(let f=0;f<=n;f++)for(let p=0;p<=i;p++){let v=p/i*r,x=f/n*Math.PI*2;h.x=(e+t*Math.cos(x))*Math.cos(v),h.y=(e+t*Math.cos(x))*Math.sin(v),h.z=t*Math.sin(x),o.push(h.x,h.y,h.z),u.x=e*Math.cos(v),u.y=e*Math.sin(v),d.subVectors(h,u).normalize(),l.push(d.x,d.y,d.z),c.push(p/i),c.push(f/n)}for(let f=1;f<=n;f++)for(let p=1;p<=i;p++){let v=(i+1)*f+p-1,x=(i+1)*(f-1)+p-1,g=(i+1)*(f-1)+p,m=(i+1)*f+p;a.push(v,x,m),a.push(x,g,m)}this.setIndex(a),this.setAttribute("position",new ce(o,3)),this.setAttribute("normal",new ce(l,3)),this.setAttribute("uv",new ce(c,2))}static fromJSON(e){return new Jr(e.radius,e.tube,e.radialSegments,e.tubularSegments,e.arc)}},Kr=class extends de{constructor(e=1,t=.4,n=64,i=8,r=2,a=3){super();this.type="TorusKnotGeometry",this.parameters={radius:e,tube:t,tubularSegments:n,radialSegments:i,p:r,q:a},n=Math.floor(n),i=Math.floor(i);let o=[],l=[],c=[],u=[],h=new A,d=new A,f=new A,p=new A,v=new A,x=new A,g=new A;for(let w=0;w<=n;++w){let y=w/n*r*Math.PI*2;m(y,r,a,e,f),m(y+.01,r,a,e,p),x.subVectors(p,f),g.addVectors(p,f),v.crossVectors(x,g),g.crossVectors(v,x),v.normalize(),g.normalize();for(let M=0;M<=i;++M){let S=M/i*Math.PI*2,b=-t*Math.cos(S),R=t*Math.sin(S);h.x=f.x+(b*g.x+R*v.x),h.y=f.y+(b*g.y+R*v.y),h.z=f.z+(b*g.z+R*v.z),l.push(h.x,h.y,h.z),d.subVectors(h,f).normalize(),c.push(d.x,d.y,d.z),u.push(w/n),u.push(M/i)}}for(let w=1;w<=n;w++)for(let y=1;y<=i;y++){let M=(i+1)*(w-1)+(y-1),S=(i+1)*w+(y-1),b=(i+1)*w+y,R=(i+1)*(w-1)+y;o.push(M,S,R),o.push(S,b,R)}this.setIndex(o),this.setAttribute("position",new ce(l,3)),this.setAttribute("normal",new ce(c,3)),this.setAttribute("uv",new ce(u,2));function m(w,y,M,S,b){let R=Math.cos(w),I=Math.sin(w),L=M/y*w,P=Math.cos(L);b.x=S*(2+P)*.5*R,b.y=S*(2+P)*I*.5,b.z=S*Math.sin(L)*.5}}static fromJSON(e){return new Kr(e.radius,e.tube,e.tubularSegments,e.radialSegments,e.p,e.q)}},$r=class extends de{constructor(e=new na(new A(-1,-1,0),new A(-1,1,0),new A(1,1,0)),t=64,n=1,i=8,r=!1){super();this.type="TubeGeometry",this.parameters={path:e,tubularSegments:t,radius:n,radialSegments:i,closed:r};let a=e.computeFrenetFrames(t,r);this.tangents=a.tangents,this.normals=a.normals,this.binormals=a.binormals;let o=new A,l=new A,c=new U,u=new A,h=[],d=[],f=[],p=[];v(),this.setIndex(p),this.setAttribute("position",new ce(h,3)),this.setAttribute("normal",new ce(d,3)),this.setAttribute("uv",new ce(f,2));function v(){for(let w=0;w<t;w++)x(w);x(r===!1?t:0),m(),g()}function x(w){u=e.getPointAt(w/t,u);let y=a.normals[w],M=a.binormals[w];for(let S=0;S<=i;S++){let b=S/i*Math.PI*2,R=Math.sin(b),I=-Math.cos(b);l.x=I*y.x+R*M.x,l.y=I*y.y+R*M.y,l.z=I*y.z+R*M.z,l.normalize(),d.push(l.x,l.y,l.z),o.x=u.x+n*l.x,o.y=u.y+n*l.y,o.z=u.z+n*l.z,h.push(o.x,o.y,o.z)}}function g(){for(let w=1;w<=t;w++)for(let y=1;y<=i;y++){let M=(i+1)*(w-1)+(y-1),S=(i+1)*w+(y-1),b=(i+1)*w+y,R=(i+1)*(w-1)+y;p.push(M,S,R),p.push(S,b,R)}}function m(){for(let w=0;w<=t;w++)for(let y=0;y<=i;y++)c.x=w/t,c.y=y/i,f.push(c.x,c.y)}}toJSON(){let e=super.toJSON();return e.path=this.parameters.path.toJSON(),e}static fromJSON(e){return new $r(new Cc[e.path.type]().fromJSON(e.path),e.tubularSegments,e.radius,e.radialSegments,e.closed)}},Ao=class extends de{constructor(e=null){super();if(this.type="WireframeGeometry",this.parameters={geometry:e},e!==null){let t=[],n=new Set,i=new A,r=new A;if(e.index!==null){let a=e.attributes.position,o=e.index,l=e.groups;l.length===0&&(l=[{start:0,count:o.count,materialIndex:0}]);for(let c=0,u=l.length;c<u;++c){let h=l[c],d=h.start,f=h.count;for(let p=d,v=d+f;p<v;p+=3)for(let x=0;x<3;x++){let g=o.getX(p+x),m=o.getX(p+(x+1)%3);i.fromBufferAttribute(a,g),r.fromBufferAttribute(a,m),Ff(i,r,n)===!0&&(t.push(i.x,i.y,i.z),t.push(r.x,r.y,r.z))}}}else{let a=e.attributes.position;for(let o=0,l=a.count/3;o<l;o++)for(let c=0;c<3;c++){let u=3*o+c,h=3*o+(c+1)%3;i.fromBufferAttribute(a,u),r.fromBufferAttribute(a,h),Ff(i,r,n)===!0&&(t.push(i.x,i.y,i.z),t.push(r.x,r.y,r.z))}}this.setAttribute("position",new ce(t,3))}}};function Ff(s,e,t){let n=`${s.x},${s.y},${s.z}-${e.x},${e.y},${e.z}`,i=`${e.x},${e.y},${e.z}-${s.x},${s.y},${s.z}`;return t.has(n)===!0||t.has(i)===!0?!1:(t.add(n,i),!0)}var Of=Object.freeze({__proto__:null,BoxGeometry:Un,BoxBufferGeometry:Un,CircleGeometry:Gr,CircleBufferGeometry:Gr,ConeGeometry:kr,ConeBufferGeometry:kr,CylinderGeometry:hi,CylinderBufferGeometry:hi,DodecahedronGeometry:Vr,DodecahedronBufferGeometry:Vr,EdgesGeometry:po,ExtrudeGeometry:An,ExtrudeBufferGeometry:An,IcosahedronGeometry:Qr,IcosahedronBufferGeometry:Qr,LatheGeometry:qr,LatheBufferGeometry:qr,OctahedronGeometry:Yi,OctahedronBufferGeometry:Yi,PlaneGeometry:Hi,PlaneBufferGeometry:Hi,PolyhedronGeometry:bn,PolyhedronBufferGeometry:bn,RingGeometry:fi,RingBufferGeometry:fi,ShapeGeometry:Xi,ShapeBufferGeometry:Xi,SphereGeometry:$t,SphereBufferGeometry:$t,TetrahedronGeometry:Zr,TetrahedronBufferGeometry:Zr,TorusGeometry:Jr,TorusBufferGeometry:Jr,TorusKnotGeometry:Kr,TorusKnotBufferGeometry:Kr,TubeGeometry:$r,TubeBufferGeometry:$r,WireframeGeometry:Ao}),Mo=class extends ht{constructor(e){super();this.type="ShadowMaterial",this.color=new ee(0),this.transparent=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this}};Mo.prototype.isShadowMaterial=!0;var Qi=class extends ht{constructor(e){super();this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new ee(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new ee(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Bi,this.normalScale=new U(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapIntensity=e.envMapIntensity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this}};Qi.prototype.isMeshStandardMaterial=!0;var Eo=class extends Qi{constructor(e){super();this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new U(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return Lt(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.sheenColor=new ee(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=0,this.attenuationColor=new ee(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new ee(1,1,1),this.specularColorMap=null,this._sheen=0,this._clearcoat=0,this._transmission=0,this.setValues(e)}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.ior=e.ior,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}};Eo.prototype.isMeshPhysicalMaterial=!0;var es=class extends ht{constructor(e){super();this.type="MeshPhongMaterial",this.color=new ee(16777215),this.specular=new ee(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new ee(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Bi,this.normalScale=new U(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=xs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this}};es.prototype.isMeshPhongMaterial=!0;var _o=class extends ht{constructor(e){super();this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new ee(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new ee(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Bi,this.normalScale=new U(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};_o.prototype.isMeshToonMaterial=!0;var To=class extends ht{constructor(e){super();this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Bi,this.normalScale=new U(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}};To.prototype.isMeshNormalMaterial=!0;var So=class extends ht{constructor(e){super();this.type="MeshLambertMaterial",this.color=new ee(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new ee(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=xs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};So.prototype.isMeshLambertMaterial=!0;var Co=class extends ht{constructor(e){super();this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new ee(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Bi,this.normalScale=new U(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.flatShading=e.flatShading,this}};Co.prototype.isMeshMatcapMaterial=!0;var Ro=class extends Ze{constructor(e){super();this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}};Ro.prototype.isLineDashedMaterial=!0;var xw=Object.freeze({__proto__:null,ShadowMaterial:Mo,SpriteMaterial:Wi,RawShaderMaterial:zi,ShaderMaterial:qe,PointsMaterial:Qt,MeshPhysicalMaterial:Eo,MeshStandardMaterial:Qi,MeshPhongMaterial:es,MeshToonMaterial:_o,MeshNormalMaterial:To,MeshLambertMaterial:So,MeshDepthMaterial:ks,MeshDistanceMaterial:Vs,MeshBasicMaterial:zt,MeshMatcapMaterial:Co,LineDashedMaterial:Ro,LineBasicMaterial:Ze,Material:ht}),et={arraySlice:function(s,e,t){return et.isTypedArray(s)?new s.constructor(s.subarray(e,t!==void 0?t:s.length)):s.slice(e,t)},convertArray:function(s,e,t){return!s||!t&&s.constructor===e?s:typeof e.BYTES_PER_ELEMENT=="number"?new e(s):Array.prototype.slice.call(s)},isTypedArray:function(s){return ArrayBuffer.isView(s)&&!(s instanceof DataView)},getKeyframeOrder:function(s){function e(i,r){return s[i]-s[r]}let t=s.length,n=new Array(t);for(let i=0;i!==t;++i)n[i]=i;return n.sort(e),n},sortedArray:function(s,e,t){let n=s.length,i=new s.constructor(n);for(let r=0,a=0;a!==n;++r){let o=t[r]*e;for(let l=0;l!==e;++l)i[a++]=s[o+l]}return i},flattenJSON:function(s,e,t,n){let i=1,r=s[0];for(;r!==void 0&&r[n]===void 0;)r=s[i++];if(r===void 0)return;let a=r[n];if(a!==void 0)if(Array.isArray(a))do a=r[n],a!==void 0&&(e.push(r.time),t.push.apply(t,a)),r=s[i++];while(r!==void 0);else if(a.toArray!==void 0)do a=r[n],a!==void 0&&(e.push(r.time),a.toArray(t,t.length)),r=s[i++];while(r!==void 0);else do a=r[n],a!==void 0&&(e.push(r.time),t.push(a)),r=s[i++];while(r!==void 0)},subclip:function(s,e,t,n,i=30){let r=s.clone();r.name=e;let a=[];for(let l=0;l<r.tracks.length;++l){let c=r.tracks[l],u=c.getValueSize(),h=[],d=[];for(let f=0;f<c.times.length;++f){let p=c.times[f]*i;if(!(p<t||p>=n)){h.push(c.times[f]);for(let v=0;v<u;++v)d.push(c.values[f*u+v])}}h.length!==0&&(c.times=et.convertArray(h,c.times.constructor),c.values=et.convertArray(d,c.values.constructor),a.push(c))}r.tracks=a;let o=1/0;for(let l=0;l<r.tracks.length;++l)o>r.tracks[l].times[0]&&(o=r.tracks[l].times[0]);for(let l=0;l<r.tracks.length;++l)r.tracks[l].shift(-1*o);return r.resetDuration(),r},makeClipAdditive:function(s,e=0,t=s,n=30){n<=0&&(n=30);let i=t.tracks.length,r=e/n;for(let a=0;a<i;++a){let o=t.tracks[a],l=o.ValueTypeName;if(l==="bool"||l==="string")continue;let c=s.tracks.find(function(g){return g.name===o.name&&g.ValueTypeName===l});if(c===void 0)continue;let u=0,h=o.getValueSize();o.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(u=h/3);let d=0,f=c.getValueSize();c.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(d=f/3);let p=o.times.length-1,v;if(r<=o.times[0]){let g=u,m=h-u;v=et.arraySlice(o.values,g,m)}else if(r>=o.times[p]){let g=p*h+u,m=g+h-u;v=et.arraySlice(o.values,g,m)}else{let g=o.createInterpolant(),m=u,w=h-u;g.evaluate(r),v=et.arraySlice(g.resultBuffer,m,w)}l==="quaternion"&&new gt().fromArray(v).normalize().conjugate().toArray(v);let x=c.times.length;for(let g=0;g<x;++g){let m=g*f+d;if(l==="quaternion")gt.multiplyQuaternionsFlat(c.values,m,v,0,c.values,m);else{let w=f-d*2;for(let y=0;y<w;++y)c.values[m+y]-=v[y]}}}return s.blendMode=Tl,s}},Mn=class{constructor(e,t,n,i){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=i!==void 0?i:new t.constructor(n),this.sampleValues=t,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(e){let t=this.parameterPositions,n=this._cachedIndex,i=t[n],r=t[n-1];e:{t:{let a;n:{i:if(!(e<i)){for(let o=n+2;;){if(i===void 0){if(e<r)break i;return n=t.length,this._cachedIndex=n,this.afterEnd_(n-1,e,r)}if(n===o)break;if(r=i,i=t[++n],e<i)break t}a=t.length;break n}if(!(e>=r)){let o=t[1];e<o&&(n=2,r=o);for(let l=n-2;;){if(r===void 0)return this._cachedIndex=0,this.beforeStart_(0,e,i);if(n===l)break;if(i=r,r=t[--n-1],e>=r)break t}a=n,n=0;break n}break e}for(;n<a;){let o=n+a>>>1;e<t[o]?a=o:n=o+1}if(i=t[n],r=t[n-1],r===void 0)return this._cachedIndex=0,this.beforeStart_(0,e,i);if(i===void 0)return n=t.length,this._cachedIndex=n,this.afterEnd_(n-1,r,e)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,e,i)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){let t=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=e*i;for(let a=0;a!==i;++a)t[a]=n[r+a];return t}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}};Mn.prototype.beforeStart_=Mn.prototype.copySampleValue_;Mn.prototype.afterEnd_=Mn.prototype.copySampleValue_;var Lc=class extends Mn{constructor(e,t,n,i){super(e,t,n,i);this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:Li,endingEnd:Li}}intervalChanged_(e,t,n){let i=this.parameterPositions,r=e-2,a=e+1,o=i[r],l=i[a];if(o===void 0)switch(this.getSettings_().endingStart){case Ii:r=e,o=2*t-n;break;case Ts:r=i.length-2,o=t+i[r]-i[r+1];break;default:r=e,o=n}if(l===void 0)switch(this.getSettings_().endingEnd){case Ii:a=e,l=2*n-t;break;case Ts:a=1,l=n+i[1]-i[0];break;default:a=e-1,l=t}let c=(n-t)*.5,u=this.valueSize;this._weightPrev=c/(t-o),this._weightNext=c/(l-n),this._offsetPrev=r*u,this._offsetNext=a*u}interpolate_(e,t,n,i){let r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=e*o,c=l-o,u=this._offsetPrev,h=this._offsetNext,d=this._weightPrev,f=this._weightNext,p=(n-t)/(i-t),v=p*p,x=v*p,g=-d*x+2*d*v-d*p,m=(1+d)*x+(-1.5-2*d)*v+(-.5+d)*p+1,w=(-1-f)*x+(1.5+f)*v+.5*p,y=f*x-f*v;for(let M=0;M!==o;++M)r[M]=g*a[u+M]+m*a[c+M]+w*a[l+M]+y*a[h+M];return r}},Po=class extends Mn{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e,t,n,i){let r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=e*o,c=l-o,u=(n-t)/(i-t),h=1-u;for(let d=0;d!==o;++d)r[d]=a[c+d]*h+a[l+d]*u;return r}},Ic=class extends Mn{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e){return this.copySampleValue_(e-1)}},en=class{constructor(e,t,n,i){if(e===void 0)throw new Error("THREE.KeyframeTrack: track name is undefined");if(t===void 0||t.length===0)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=et.convertArray(t,this.TimeBufferType),this.values=et.convertArray(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(e){let t=e.constructor,n;if(t.toJSON!==this.toJSON)n=t.toJSON(e);else{n={name:e.name,times:et.convertArray(e.times,Array),values:et.convertArray(e.values,Array)};let i=e.getInterpolation();i!==e.DefaultInterpolation&&(n.interpolation=i)}return n.type=e.ValueTypeName,n}InterpolantFactoryMethodDiscrete(e){return new Ic(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new Po(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new Lc(this.times,this.values,this.getValueSize(),e)}setInterpolation(e){let t;switch(e){case Es:t=this.InterpolantFactoryMethodDiscrete;break;case _s:t=this.InterpolantFactoryMethodLinear;break;case Aa:t=this.InterpolantFactoryMethodSmooth;break}if(t===void 0){let n="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(this.createInterpolant===void 0)if(e!==this.DefaultInterpolation)this.setInterpolation(this.DefaultInterpolation);else throw new Error(n);return console.warn("THREE.KeyframeTrack:",n),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return Es;case this.InterpolantFactoryMethodLinear:return _s;case this.InterpolantFactoryMethodSmooth:return Aa}}getValueSize(){return this.values.length/this.times.length}shift(e){if(e!==0){let t=this.times;for(let n=0,i=t.length;n!==i;++n)t[n]+=e}return this}scale(e){if(e!==1){let t=this.times;for(let n=0,i=t.length;n!==i;++n)t[n]*=e}return this}trim(e,t){let n=this.times,i=n.length,r=0,a=i-1;for(;r!==i&&n[r]<e;)++r;for(;a!==-1&&n[a]>t;)--a;if(++a,r!==0||a!==i){r>=a&&(a=Math.max(a,1),r=a-1);let o=this.getValueSize();this.times=et.arraySlice(n,r,a),this.values=et.arraySlice(this.values,r*o,a*o)}return this}validate(){let e=!0,t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);let n=this.times,i=this.values,r=n.length;r===0&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);let a=null;for(let o=0;o!==r;o++){let l=n[o];if(typeof l=="number"&&isNaN(l)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,o,l),e=!1;break}if(a!==null&&a>l){console.error("THREE.KeyframeTrack: Out of order keys.",this,o,l,a),e=!1;break}a=l}if(i!==void 0&&et.isTypedArray(i))for(let o=0,l=i.length;o!==l;++o){let c=i[o];if(isNaN(c)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,o,c),e=!1;break}}return e}optimize(){let e=et.arraySlice(this.times),t=et.arraySlice(this.values),n=this.getValueSize(),i=this.getInterpolation()===Aa,r=e.length-1,a=1;for(let o=1;o<r;++o){let l=!1,c=e[o],u=e[o+1];if(c!==u&&(o!==1||c!==e[0]))if(i)l=!0;else{let h=o*n,d=h-n,f=h+n;for(let p=0;p!==n;++p){let v=t[h+p];if(v!==t[d+p]||v!==t[f+p]){l=!0;break}}}if(l){if(o!==a){e[a]=e[o];let h=o*n,d=a*n;for(let f=0;f!==n;++f)t[d+f]=t[h+f]}++a}}if(r>0){e[a]=e[r];for(let o=r*n,l=a*n,c=0;c!==n;++c)t[l+c]=t[o+c];++a}return a!==e.length?(this.times=et.arraySlice(e,0,a),this.values=et.arraySlice(t,0,a*n)):(this.times=e,this.values=t),this}clone(){let e=et.arraySlice(this.times,0),t=et.arraySlice(this.values,0),n=this.constructor,i=new n(this.name,e,t);return i.createInterpolant=this.createInterpolant,i}};en.prototype.TimeBufferType=Float32Array;en.prototype.ValueBufferType=Float32Array;en.prototype.DefaultInterpolation=_s;var pi=class extends en{};pi.prototype.ValueTypeName="bool";pi.prototype.ValueBufferType=Array;pi.prototype.DefaultInterpolation=Es;pi.prototype.InterpolantFactoryMethodLinear=void 0;pi.prototype.InterpolantFactoryMethodSmooth=void 0;var Do=class extends en{};Do.prototype.ValueTypeName="color";var ts=class extends en{};ts.prototype.ValueTypeName="number";var Bc=class extends Mn{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e,t,n,i){let r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=(n-t)/(i-t),c=e*o;for(let u=c+o;c!==u;c+=4)gt.slerpFlat(r,0,a,c-o,a,c,l);return r}},qi=class extends en{InterpolantFactoryMethodLinear(e){return new Bc(this.times,this.values,this.getValueSize(),e)}};qi.prototype.ValueTypeName="quaternion";qi.prototype.DefaultInterpolation=_s;qi.prototype.InterpolantFactoryMethodSmooth=void 0;var mi=class extends en{};mi.prototype.ValueTypeName="string";mi.prototype.ValueBufferType=Array;mi.prototype.DefaultInterpolation=Es;mi.prototype.InterpolantFactoryMethodLinear=void 0;mi.prototype.InterpolantFactoryMethodSmooth=void 0;var ns=class extends en{};ns.prototype.ValueTypeName="vector";var is=class{constructor(e,t=-1,n,i=Ma){this.name=e,this.tracks=n,this.duration=t,this.blendMode=i,this.uuid=jt(),this.duration<0&&this.resetDuration()}static parse(e){let t=[],n=e.tracks,i=1/(e.fps||1);for(let a=0,o=n.length;a!==o;++a)t.push(ww(n[a]).scale(i));let r=new this(e.name,e.duration,t,e.blendMode);return r.uuid=e.uuid,r}static toJSON(e){let t=[],n=e.tracks,i={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode};for(let r=0,a=n.length;r!==a;++r)t.push(en.toJSON(n[r]));return i}static CreateFromMorphTargetSequence(e,t,n,i){let r=t.length,a=[];for(let o=0;o<r;o++){let l=[],c=[];l.push((o+r-1)%r,o,(o+1)%r),c.push(0,1,0);let u=et.getKeyframeOrder(l);l=et.sortedArray(l,1,u),c=et.sortedArray(c,1,u),!i&&l[0]===0&&(l.push(r),c.push(c[0])),a.push(new ts(".morphTargetInfluences["+t[o].name+"]",l,c).scale(1/n))}return new this(e,-1,a)}static findByName(e,t){let n=e;if(!Array.isArray(e)){let i=e;n=i.geometry&&i.geometry.animations||i.animations}for(let i=0;i<n.length;i++)if(n[i].name===t)return n[i];return null}static CreateClipsFromMorphTargetSequences(e,t,n){let i={},r=/^([\w-]*?)([\d]+)$/;for(let o=0,l=e.length;o<l;o++){let c=e[o],u=c.name.match(r);if(u&&u.length>1){let h=u[1],d=i[h];d||(i[h]=d=[]),d.push(c)}}let a=[];for(let o in i)a.push(this.CreateFromMorphTargetSequence(o,i[o],t,n));return a}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;let n=function(h,d,f,p,v){if(f.length!==0){let x=[],g=[];et.flattenJSON(f,x,g,p),x.length!==0&&v.push(new 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super.copy(e),this.focus=e.focus,this}};Uc.prototype.isSpotLightShadow=!0;var Bo=class extends nn{constructor(e,t,n=0,i=Math.PI/3,r=0,a=1){super(e,t);this.type="SpotLight",this.position.copy(Te.DefaultUp),this.updateMatrix(),this.target=new Te,this.distance=n,this.angle=i,this.penumbra=r,this.decay=a,this.shadow=new Uc}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}};Bo.prototype.isSpotLight=!0;var Vf=new ge,oa=new A,Nc=new A,Hc=class extends Io{constructor(){super(new st(90,1,.5,500));this._frameExtents=new U(4,2),this._viewportCount=6,this._viewports=[new Ye(2,1,1,1),new Ye(0,1,1,1),new Ye(3,1,1,1),new Ye(1,1,1,1),new Ye(3,0,1,1),new Ye(1,0,1,1)],this._cubeDirections=[new A(1,0,0),new A(-1,0,0),new A(0,0,1),new A(0,0,-1),new A(0,1,0),new 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0&&(i.clearcoatRoughness=e.clearcoatRoughness),e.transmission!==void 0&&(i.transmission=e.transmission),e.thickness!==void 0&&(i.thickness=e.thickness),e.attenuationDistance!==void 0&&(i.attenuationDistance=e.attenuationDistance),e.attenuationColor!==void 0&&i.attenuationColor!==void 0&&i.attenuationColor.setHex(e.attenuationColor),e.fog!==void 0&&(i.fog=e.fog),e.flatShading!==void 0&&(i.flatShading=e.flatShading),e.blending!==void 0&&(i.blending=e.blending),e.combine!==void 0&&(i.combine=e.combine),e.side!==void 0&&(i.side=e.side),e.shadowSide!==void 0&&(i.shadowSide=e.shadowSide),e.opacity!==void 0&&(i.opacity=e.opacity),e.format!==void 0&&(i.format=e.format),e.transparent!==void 0&&(i.transparent=e.transparent),e.alphaTest!==void 0&&(i.alphaTest=e.alphaTest),e.depthTest!==void 0&&(i.depthTest=e.depthTest),e.depthWrite!==void 0&&(i.depthWrite=e.depthWrite),e.colorWrite!==void 0&&(i.colorWrite=e.colorWrite),e.stencilWrite!==void 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r=e.normalScale;Array.isArray(r)===!1&&(r=[r,r]),i.normalScale=new U().fromArray(r)}return e.displacementMap!==void 0&&(i.displacementMap=n(e.displacementMap)),e.displacementScale!==void 0&&(i.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(i.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(i.roughnessMap=n(e.roughnessMap)),e.metalnessMap!==void 0&&(i.metalnessMap=n(e.metalnessMap)),e.emissiveMap!==void 0&&(i.emissiveMap=n(e.emissiveMap)),e.emissiveIntensity!==void 0&&(i.emissiveIntensity=e.emissiveIntensity),e.specularMap!==void 0&&(i.specularMap=n(e.specularMap)),e.specularIntensityMap!==void 0&&(i.specularIntensityMap=n(e.specularIntensityMap)),e.specularColorMap!==void 0&&(i.specularColorMap=n(e.specularColorMap)),e.envMap!==void 0&&(i.envMap=n(e.envMap)),e.envMapIntensity!==void 0&&(i.envMapIntensity=e.envMapIntensity),e.reflectivity!==void 0&&(i.reflectivity=e.reflectivity),e.refractionRatio!==void 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TextDecoder!="undefined")return new TextDecoder().decode(e);let t="";for(let n=0,i=e.length;n<i;n++)t+=String.fromCharCode(e[n]);try{return decodeURIComponent(escape(t))}catch(n){return t}}static extractUrlBase(e){let t=e.lastIndexOf("/");return t===-1?"./":e.substr(0,t+1)}static resolveURL(e,t){return typeof e!="string"||e===""?"":(/^https?:\/\//i.test(t)&&/^\//.test(e)&&(t=t.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(e)||/^data:.*,.*$/i.test(e)||/^blob:.*$/i.test(e)?e:t+e)}},No=class extends de{constructor(){super();this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(e){return super.copy(e),this.instanceCount=e.instanceCount,this}clone(){return new this.constructor().copy(this)}toJSON(){let e=super.toJSON(this);return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}};No.prototype.isInstancedBufferGeometry=!0;var kc=class extends St{constructor(e){super(e)}load(e,t,n,i){let r=this,a=new 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0&&(v.updateRange.offset=p.updateRange.offset,v.updateRange.count=p.updateRange.count),a.setAttribute(f,v)}let c=e.data.morphAttributes;if(c)for(let f in c){let p=c[f],v=[];for(let x=0,g=p.length;x<g;x++){let m=p[x],w;if(m.isInterleavedBufferAttribute){let y=i(e.data,m.data);w=new Nn(y,m.itemSize,m.offset,m.normalized)}else{let y=fr(m.type,m.array);w=new pe(y,m.itemSize,m.normalized)}m.name!==void 0&&(w.name=m.name),v.push(w)}a.morphAttributes[f]=v}e.data.morphTargetsRelative&&(a.morphTargetsRelative=!0);let h=e.data.groups||e.data.drawcalls||e.data.offsets;if(h!==void 0)for(let f=0,p=h.length;f!==p;++f){let v=h[f];a.addGroup(v.start,v.count,v.materialIndex)}let d=e.data.boundingSphere;if(d!==void 0){let f=new A;d.center!==void 0&&f.fromArray(d.center),a.boundingSphere=new Dn(f,d.radius)}return e.name&&(a.name=e.name),e.userData&&(a.userData=e.userData),a}},Wf=class extends St{constructor(e){super(e)}load(e,t,n,i){let r=this,a=this.path===""?la.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||a;let o=new qt(this.manager);o.setPath(this.path),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(e,function(l){let c=null;try{c=JSON.parse(l)}catch(h){i!==void 0&&i(h),console.error("THREE:ObjectLoader: Can't parse "+e+".",h.message);return}let u=c.metadata;if(u===void 0||u.type===void 0||u.type.toLowerCase()==="geometry"){console.error("THREE.ObjectLoader: Can't load "+e);return}r.parse(c,t)},n,i)}loadAsync(e,t){return Zt(this,null,function*(){let n=this,i=this.path===""?la.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||i;let r=new qt(this.manager);r.setPath(this.path),r.setRequestHeader(this.requestHeader),r.setWithCredentials(this.withCredentials);let a=yield r.loadAsync(e,t),o=JSON.parse(a),l=o.metadata;if(l===void 0||l.type===void 0||l.type.toLowerCase()==="geometry")throw new Error("THREE.ObjectLoader: Can't load "+e);return yield n.parseAsync(o)})}parse(e,t){let n=this.parseAnimations(e.animations),i=this.parseShapes(e.shapes),r=this.parseGeometries(e.geometries,i),a=this.parseImages(e.images,function(){t!==void 0&&t(c)}),o=this.parseTextures(e.textures,a),l=this.parseMaterials(e.materials,o),c=this.parseObject(e.object,r,l,o,n),u=this.parseSkeletons(e.skeletons,c);if(this.bindSkeletons(c,u),t!==void 0){let h=!1;for(let d in a)if(a[d]instanceof HTMLImageElement){h=!0;break}h===!1&&t(c)}return c}parseAsync(e){return Zt(this,null,function*(){let t=this.parseAnimations(e.animations),n=this.parseShapes(e.shapes),i=this.parseGeometries(e.geometries,n),r=yield this.parseImagesAsync(e.images),a=this.parseTextures(e.textures,r),o=this.parseMaterials(e.materials,a),l=this.parseObject(e.object,i,o,a,t),c=this.parseSkeletons(e.skeletons,l);return this.bindSkeletons(l,c),l})}parseShapes(e){let t={};if(e!==void 0)for(let n=0,i=e.length;n<i;n++){let r=new mn().fromJSON(e[n]);t[r.uuid]=r}return t}parseSkeletons(e,t){let n={},i={};if(t.traverse(function(r){r.isBone&&(i[r.uuid]=r)}),e!==void 0)for(let r=0,a=e.length;r<a;r++){let o=new Zs().fromJSON(e[r],i);n[o.uuid]=o}return n}parseGeometries(e,t){let n={};if(e!==void 0){let i=new kc;for(let r=0,a=e.length;r<a;r++){let o,l=e[r];switch(l.type){case"BufferGeometry":case"InstancedBufferGeometry":o=i.parse(l);break;case"Geometry":console.error("THREE.ObjectLoader: The legacy Geometry type is no longer supported.");break;default:l.type in Of?o=Of[l.type].fromJSON(l,t):console.warn(`THREE.ObjectLoader: Unsupported geometry type "${l.type}"`)}o.uuid=l.uuid,l.name!==void 0&&(o.name=l.name),o.isBufferGeometry===!0&&l.userData!==void 0&&(o.userData=l.userData),n[l.uuid]=o}}return n}parseMaterials(e,t){let n={},i={};if(e!==void 0){let r=new Gc;r.setTextures(t);for(let a=0,o=e.length;a<o;a++){let l=e[a];if(l.type==="MultiMaterial"){let c=[];for(let u=0;u<l.materials.length;u++){let h=l.materials[u];n[h.uuid]===void 0&&(n[h.uuid]=r.parse(h)),c.push(n[h.uuid])}i[l.uuid]=c}else n[l.uuid]===void 0&&(n[l.uuid]=r.parse(l)),i[l.uuid]=n[l.uuid]}}return i}parseAnimations(e){let t={};if(e!==void 0)for(let n=0;n<e.length;n++){let i=e[n],r=is.parse(i);t[r.uuid]=r}return t}parseImages(e,t){let n=this,i={},r;function a(l){return n.manager.itemStart(l),r.load(l,function(){n.manager.itemEnd(l)},void 0,function(){n.manager.itemError(l),n.manager.itemEnd(l)})}function o(l){if(typeof l=="string"){let c=l,u=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(c)?c:n.resourcePath+c;return a(u)}else return l.data?{data:fr(l.type,l.data),width:l.width,height:l.height}:null}if(e!==void 0&&e.length>0){let l=new rs(t);r=new ss(l),r.setCrossOrigin(this.crossOrigin);for(let c=0,u=e.length;c<u;c++){let h=e[c],d=h.url;if(Array.isArray(d)){i[h.uuid]=[];for(let f=0,p=d.length;f<p;f++){let v=d[f],x=o(v);x!==null&&(x instanceof HTMLImageElement?i[h.uuid].push(x):i[h.uuid].push(new Hn(x.data,x.width,x.height)))}}else{let f=o(h.url);f!==null&&(i[h.uuid]=f)}}}return i}parseImagesAsync(e){return Zt(this,null,function*(){let t=this,n={},i;function r(a){return Zt(this,null,function*(){if(typeof a=="string"){let o=a,l=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(o)?o:t.resourcePath+o;return yield i.loadAsync(l)}else return a.data?{data:fr(a.type,a.data),width:a.width,height:a.height}:null})}if(e!==void 0&&e.length>0){i=new ss(this.manager),i.setCrossOrigin(this.crossOrigin);for(let a=0,o=e.length;a<o;a++){let l=e[a],c=l.url;if(Array.isArray(c)){n[l.uuid]=[];for(let u=0,h=c.length;u<h;u++){let d=c[u],f=yield r(d);f!==null&&(f instanceof HTMLImageElement?n[l.uuid].push(f):n[l.uuid].push(new Hn(f.data,f.width,f.height)))}}else{let u=yield r(l.url);u!==null&&(n[l.uuid]=u)}}}return n})}parseTextures(e,t){function n(r,a){return typeof r=="number"?r:(console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",r),a[r])}let i={};if(e!==void 0)for(let r=0,a=e.length;r<a;r++){let o=e[r];o.image===void 0&&console.warn('THREE.ObjectLoader: No "image" specified for',o.uuid),t[o.image]===void 0&&console.warn("THREE.ObjectLoader: Undefined image",o.image);let l,c=t[o.image];Array.isArray(c)?(l=new Ni(c),c.length===6&&(l.needsUpdate=!0)):(c&&c.data?l=new Hn(c.data,c.width,c.height):l=new bt(c),c&&(l.needsUpdate=!0)),l.uuid=o.uuid,o.name!==void 0&&(l.name=o.name),o.mapping!==void 0&&(l.mapping=n(o.mapping,bw)),o.offset!==void 0&&l.offset.fromArray(o.offset),o.repeat!==void 0&&l.repeat.fromArray(o.repeat),o.center!==void 0&&l.center.fromArray(o.center),o.rotation!==void 0&&(l.rotation=o.rotation),o.wrap!==void 0&&(l.wrapS=n(o.wrap[0],jf),l.wrapT=n(o.wrap[1],jf)),o.format!==void 0&&(l.format=o.format),o.type!==void 0&&(l.type=o.type),o.encoding!==void 0&&(l.encoding=o.encoding),o.minFilter!==void 0&&(l.minFilter=n(o.minFilter,Yf)),o.magFilter!==void 0&&(l.magFilter=n(o.magFilter,Yf)),o.anisotropy!==void 0&&(l.anisotropy=o.anisotropy),o.flipY!==void 0&&(l.flipY=o.flipY),o.premultiplyAlpha!==void 0&&(l.premultiplyAlpha=o.premultiplyAlpha),o.unpackAlignment!==void 0&&(l.unpackAlignment=o.unpackAlignment),o.userData!==void 0&&(l.userData=o.userData),i[o.uuid]=l}return i}parseObject(e,t,n,i,r){let a;function o(d){return t[d]===void 0&&console.warn("THREE.ObjectLoader: Undefined geometry",d),t[d]}function l(d){if(d!==void 0){if(Array.isArray(d)){let f=[];for(let p=0,v=d.length;p<v;p++){let x=d[p];n[x]===void 0&&console.warn("THREE.ObjectLoader: Undefined material",x),f.push(n[x])}return f}return n[d]===void 0&&console.warn("THREE.ObjectLoader: Undefined material",d),n[d]}}function c(d){return i[d]===void 0&&console.warn("THREE.ObjectLoader: Undefined texture",d),i[d]}let u,h;switch(e.type){case"Scene":a=new kt,e.background!==void 0&&(Number.isInteger(e.background)?a.background=new ee(e.background):a.background=c(e.background)),e.environment!==void 0&&(a.environment=c(e.environment)),e.fog!==void 0&&(e.fog.type==="Fog"?a.fog=new Fr(e.fog.color,e.fog.near,e.fog.far):e.fog.type==="FogExp2"&&(a.fog=new Br(e.fog.color,e.fog.density)));break;case"PerspectiveCamera":a=new st(e.fov,e.aspect,e.near,e.far),e.focus!==void 0&&(a.focus=e.focus),e.zoom!==void 0&&(a.zoom=e.zoom),e.filmGauge!==void 0&&(a.filmGauge=e.filmGauge),e.filmOffset!==void 0&&(a.filmOffset=e.filmOffset),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case"OrthographicCamera":a=new Rr(e.left,e.right,e.top,e.bottom,e.near,e.far),e.zoom!==void 0&&(a.zoom=e.zoom),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case"AmbientLight":a=new os(e.color,e.intensity);break;case"DirectionalLight":a=new Fo(e.color,e.intensity);break;case"PointLight":a=new as(e.color,e.intensity,e.distance,e.decay);break;case"RectAreaLight":a=new Oo(e.color,e.intensity,e.width,e.height);break;case"SpotLight":a=new Bo(e.color,e.intensity,e.distance,e.angle,e.penumbra,e.decay);break;case"HemisphereLight":a=new Lo(e.color,e.groundColor,e.intensity);break;case"LightProbe":a=new ls().fromJSON(e);break;case"SkinnedMesh":u=o(e.geometry),h=l(e.material),a=new Qs(u,h),e.bindMode!==void 0&&(a.bindMode=e.bindMode),e.bindMatrix!==void 0&&a.bindMatrix.fromArray(e.bindMatrix),e.skeleton!==void 0&&(a.skeleton=e.skeleton);break;case"Mesh":u=o(e.geometry),h=l(e.material),a=new He(u,h);break;case"InstancedMesh":u=o(e.geometry),h=l(e.material);let d=e.count,f=e.instanceMatrix,p=e.instanceColor;a=new ro(u,h,d),a.instanceMatrix=new ui(new Float32Array(f.array),16),p!==void 0&&(a.instanceColor=new ui(new Float32Array(p.array),p.itemSize));break;case"LOD":a=new zr;break;case"Line":a=new Vt(o(e.geometry),l(e.material));break;case"LineLoop":a=new ao(o(e.geometry),l(e.material));break;case"LineSegments":a=new At(o(e.geometry),l(e.material));break;case"PointCloud":case"Points":a=new Ot(o(e.geometry),l(e.material));break;case"Sprite":a=new ji(l(e.material));break;case"Group":a=new wn;break;case"Bone":a=new qs;break;default:a=new Te}if(a.uuid=e.uuid,e.name!==void 0&&(a.name=e.name),e.matrix!==void 0?(a.matrix.fromArray(e.matrix),e.matrixAutoUpdate!==void 0&&(a.matrixAutoUpdate=e.matrixAutoUpdate),a.matrixAutoUpdate&&a.matrix.decompose(a.position,a.quaternion,a.scale)):(e.position!==void 0&&a.position.fromArray(e.position),e.rotation!==void 0&&a.rotation.fromArray(e.rotation),e.quaternion!==void 0&&a.quaternion.fromArray(e.quaternion),e.scale!==void 0&&a.scale.fromArray(e.scale)),e.castShadow!==void 0&&(a.castShadow=e.castShadow),e.receiveShadow!==void 0&&(a.receiveShadow=e.receiveShadow),e.shadow&&(e.shadow.bias!==void 0&&(a.shadow.bias=e.shadow.bias),e.shadow.normalBias!==void 0&&(a.shadow.normalBias=e.shadow.normalBias),e.shadow.radius!==void 0&&(a.shadow.radius=e.shadow.radius),e.shadow.mapSize!==void 0&&a.shadow.mapSize.fromArray(e.shadow.mapSize),e.shadow.camera!==void 0&&(a.shadow.camera=this.parseObject(e.shadow.camera))),e.visible!==void 0&&(a.visible=e.visible),e.frustumCulled!==void 0&&(a.frustumCulled=e.frustumCulled),e.renderOrder!==void 0&&(a.renderOrder=e.renderOrder),e.userData!==void 0&&(a.userData=e.userData),e.layers!==void 0&&(a.layers.mask=e.layers),e.children!==void 0){let d=e.children;for(let f=0;f<d.length;f++)a.add(this.parseObject(d[f],t,n,i,r))}if(e.animations!==void 0){let d=e.animations;for(let f=0;f<d.length;f++){let p=d[f];a.animations.push(r[p])}}if(e.type==="LOD"){e.autoUpdate!==void 0&&(a.autoUpdate=e.autoUpdate);let d=e.levels;for(let f=0;f<d.length;f++){let p=d[f],v=a.getObjectByProperty("uuid",p.object);v!==void 0&&a.addLevel(v,p.distance)}}return a}bindSkeletons(e,t){Object.keys(t).length!==0&&e.traverse(function(n){if(n.isSkinnedMesh===!0&&n.skeleton!==void 0){let i=t[n.skeleton];i===void 0?console.warn("THREE.ObjectLoader: No skeleton found with UUID:",n.skeleton):n.bind(i,n.bindMatrix)}})}setTexturePath(e){return console.warn("THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath()."),this.setResourcePath(e)}},bw={UVMapping:xa,CubeReflectionMapping:Si,CubeRefractionMapping:Ci,EquirectangularReflectionMapping:ys,EquirectangularRefractionMapping:ws,CubeUVReflectionMapping:cr,CubeUVRefractionMapping:bs},jf={RepeatWrapping:As,ClampToEdgeWrapping:Et,MirroredRepeatWrapping:Ms},Yf={NearestFilter:yt,NearestMipmapNearestFilter:ya,NearestMipmapLinearFilter:wa,LinearFilter:ke,LinearMipmapNearestFilter:ml,LinearMipmapLinearFilter:Ri},Vc=class extends St{constructor(e){super(e);typeof createImageBitmap=="undefined"&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),typeof fetch=="undefined"&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(e){return this.options=e,this}load(e,t,n,i){e===void 0&&(e=""),this.path!==void 0&&(e=this.path+e),e=this.manager.resolveURL(e);let r=this,a=Zi.get(e);if(a!==void 0)return r.manager.itemStart(e),setTimeout(function(){t&&t(a),r.manager.itemEnd(e)},0),a;let o={};o.credentials=this.crossOrigin==="anonymous"?"same-origin":"include",o.headers=this.requestHeader,fetch(e,o).then(function(l){return l.blob()}).then(function(l){return createImageBitmap(l,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(l){Zi.add(e,l),t&&t(l),r.manager.itemEnd(e)}).catch(function(l){i&&i(l),r.manager.itemError(e),r.manager.itemEnd(e)}),r.manager.itemStart(e)}};Vc.prototype.isImageBitmapLoader=!0;var Ho,Wc={getContext:function(){return Ho===void 0&&(Ho=new(window.AudioContext||window.webkitAudioContext)),Ho},setContext:function(s){Ho=s}},jc=class extends St{constructor(e){super(e)}load(e,t,n,i){let r=this,a=new qt(this.manager);a.setResponseType("arraybuffer"),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(o){try{let l=o.slice(0);Wc.getContext().decodeAudioData(l,function(u){t(u)})}catch(l){i?i(l):console.error(l),r.manager.itemError(e)}},n,i)}},Yc=class extends ls{constructor(e,t,n=1){super(void 0,n);let i=new ee().set(e),r=new ee().set(t),a=new A(i.r,i.g,i.b),o=new A(r.r,r.g,r.b),l=Math.sqrt(Math.PI),c=l*Math.sqrt(.75);this.sh.coefficients[0].copy(a).add(o).multiplyScalar(l),this.sh.coefficients[1].copy(a).sub(o).multiplyScalar(c)}};Yc.prototype.isHemisphereLightProbe=!0;var Xc=class extends ls{constructor(e,t=1){super(void 0,t);let n=new ee().set(e);this.sh.coefficients[0].set(n.r,n.g,n.b).multiplyScalar(2*Math.sqrt(Math.PI))}};Xc.prototype.isAmbientLightProbe=!0;var Xf=new ge,Qf=new ge,Ji=new ge,qf=class{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new st,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new st,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){let t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep,Ji.copy(e.projectionMatrix);let i=t.eyeSep/2,r=i*t.near/t.focus,a=t.near*Math.tan(Fi*t.fov*.5)/t.zoom,o,l;Qf.elements[12]=-i,Xf.elements[12]=i,o=-a*t.aspect+r,l=a*t.aspect+r,Ji.elements[0]=2*t.near/(l-o),Ji.elements[8]=(l+o)/(l-o),this.cameraL.projectionMatrix.copy(Ji),o=-a*t.aspect-r,l=a*t.aspect-r,Ji.elements[0]=2*t.near/(l-o),Ji.elements[8]=(l+o)/(l-o),this.cameraR.projectionMatrix.copy(Ji)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(Qf),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(Xf)}},Qc=class{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Zf(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let e=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){let t=Zf();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}};function Zf(){return(typeof performance=="undefined"?Date:performance).now()}var Ki=new A,Jf=new gt,Aw=new A,$i=new A,Kf=class extends Te{constructor(){super();this.type="AudioListener",this.context=Wc.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Qc}getInput(){return this.gain}removeFilter(){return this.filter!==null&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return this.filter!==null?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e);let t=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Ki,Jf,Aw),$i.set(0,0,-1).applyQuaternion(Jf),t.positionX){let i=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(Ki.x,i),t.positionY.linearRampToValueAtTime(Ki.y,i),t.positionZ.linearRampToValueAtTime(Ki.z,i),t.forwardX.linearRampToValueAtTime($i.x,i),t.forwardY.linearRampToValueAtTime($i.y,i),t.forwardZ.linearRampToValueAtTime($i.z,i),t.upX.linearRampToValueAtTime(n.x,i),t.upY.linearRampToValueAtTime(n.y,i),t.upZ.linearRampToValueAtTime(n.z,i)}else t.setPosition(Ki.x,Ki.y,Ki.z),t.setOrientation($i.x,$i.y,$i.z,n.x,n.y,n.z)}},zo=class extends Te{constructor(e){super();this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(this.isPlaying===!0){console.warn("THREE.Audio: Audio is already playing.");return}if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}this._startedAt=this.context.currentTime+e;let t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.isPlaying===!0&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,this.loop===!0&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this._progress=0,this.source.stop(),this.source.onended=null,this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}getFilters(){return this.filters}setFilters(e){return e||(e=[]),this._connected===!0?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}setDetune(e){if(this.detune=e,this.source.detune!==void 0)return this.isPlaying===!0&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(e){return this.setFilters(e?[e]:[])}setPlaybackRate(e){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.playbackRate=e,this.isPlaying===!0&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1}getLoop(){return this.hasPlaybackControl===!1?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop}setLoop(e){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.loop=e,this.isPlaying===!0&&(this.source.loop=this.loop),this}setLoopStart(e){return this.loopStart=e,this}setLoopEnd(e){return this.loopEnd=e,this}getVolume(){return this.gain.gain.value}setVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}},er=new A,$f=new gt,Mw=new A,tr=new A,ep=class extends zo{constructor(e){super(e);this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(e){return this.panner.refDistance=e,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(e){return this.panner.rolloffFactor=e,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(e){return this.panner.distanceModel=e,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(e){return this.panner.maxDistance=e,this}setDirectionalCone(e,t,n){return this.panner.coneInnerAngle=e,this.panner.coneOuterAngle=t,this.panner.coneOuterGain=n,this}updateMatrixWorld(e){if(super.updateMatrixWorld(e),this.hasPlaybackControl===!0&&this.isPlaying===!1)return;this.matrixWorld.decompose(er,$f,Mw),tr.set(0,0,1).applyQuaternion($f);let t=this.panner;if(t.positionX){let n=this.context.currentTime+this.listener.timeDelta;t.positionX.linearRampToValueAtTime(er.x,n),t.positionY.linearRampToValueAtTime(er.y,n),t.positionZ.linearRampToValueAtTime(er.z,n),t.orientationX.linearRampToValueAtTime(tr.x,n),t.orientationY.linearRampToValueAtTime(tr.y,n),t.orientationZ.linearRampToValueAtTime(tr.z,n)}else t.setPosition(er.x,er.y,er.z),t.setOrientation(tr.x,tr.y,tr.z)}},qc=class{constructor(e,t=2048){this.analyser=e.context.createAnalyser(),this.analyser.fftSize=t,this.data=new Uint8Array(this.analyser.frequencyBinCount),e.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let e=0,t=this.getFrequencyData();for(let n=0;n<t.length;n++)e+=t[n];return e/t.length}},Zc=class{constructor(e,t,n){this.binding=e,this.valueSize=n;let i,r,a;switch(t){case"quaternion":i=this._slerp,r=this._slerpAdditive,a=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(n*6),this._workIndex=5;break;case"string":case"bool":i=this._select,r=this._select,a=this._setAdditiveIdentityOther,this.buffer=new Array(n*5);break;default:i=this._lerp,r=this._lerpAdditive,a=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(n*5)}this._mixBufferRegion=i,this._mixBufferRegionAdditive=r,this._setIdentity=a,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(e,t){let n=this.buffer,i=this.valueSize,r=e*i+i,a=this.cumulativeWeight;if(a===0){for(let o=0;o!==i;++o)n[r+o]=n[o];a=t}else{a+=t;let o=t/a;this._mixBufferRegion(n,r,0,o,i)}this.cumulativeWeight=a}accumulateAdditive(e){let t=this.buffer,n=this.valueSize,i=n*this._addIndex;this.cumulativeWeightAdditive===0&&this._setIdentity(),this._mixBufferRegionAdditive(t,i,0,e,n),this.cumulativeWeightAdditive+=e}apply(e){let t=this.valueSize,n=this.buffer,i=e*t+t,r=this.cumulativeWeight,a=this.cumulativeWeightAdditive,o=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){let l=t*this._origIndex;this._mixBufferRegion(n,i,l,1-r,t)}a>0&&this._mixBufferRegionAdditive(n,i,this._addIndex*t,1,t);for(let l=t,c=t+t;l!==c;++l)if(n[l]!==n[l+t]){o.setValue(n,i);break}}saveOriginalState(){let e=this.binding,t=this.buffer,n=this.valueSize,i=n*this._origIndex;e.getValue(t,i);for(let r=n,a=i;r!==a;++r)t[r]=t[i+r%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let n=e;n<t;n++)this.buffer[n]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){let e=this._origIndex*this.valueSize,t=this._addIndex*this.valueSize;for(let n=0;n<this.valueSize;n++)this.buffer[t+n]=this.buffer[e+n]}_select(e,t,n,i,r){if(i>=.5)for(let a=0;a!==r;++a)e[t+a]=e[n+a]}_slerp(e,t,n,i){gt.slerpFlat(e,t,e,t,e,n,i)}_slerpAdditive(e,t,n,i,r){let a=this._workIndex*r;gt.multiplyQuaternionsFlat(e,a,e,t,e,n),gt.slerpFlat(e,t,e,t,e,a,i)}_lerp(e,t,n,i,r){let a=1-i;for(let o=0;o!==r;++o){let l=t+o;e[l]=e[l]*a+e[n+o]*i}}_lerpAdditive(e,t,n,i,r){for(let a=0;a!==r;++a){let o=t+a;e[o]=e[o]+e[n+a]*i}}},Jc="\\[\\]\\.:\\/",Ew=new RegExp("["+Jc+"]","g"),Kc="[^"+Jc+"]",_w="[^"+Jc.replace("\\.","")+"]",Tw=/((?:WC+[\/:])*)/.source.replace("WC",Kc),Sw=/(WCOD+)?/.source.replace("WCOD",_w),Cw=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Kc),Rw=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Kc),Pw=new RegExp("^"+Tw+Sw+Cw+Rw+"$"),Dw=["material","materials","bones"],tp=class{constructor(e,t,n){let i=n||ze.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}getValue(e,t){this.bind();let n=this._targetGroup.nCachedObjects_,i=this._bindings[n];i!==void 0&&i.getValue(e,t)}setValue(e,t){let n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,r=n.length;i!==r;++i)n[i].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}},ze=class{constructor(e,t,n){this.path=t,this.parsedPath=n||ze.parseTrackName(t),this.node=ze.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,n){return e&&e.isAnimationObjectGroup?new ze.Composite(e,t,n):new ze(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(Ew,"")}static parseTrackName(e){let t=Pw.exec(e);if(!t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);let n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(i!==void 0&&i!==-1){let r=n.nodeName.substring(i+1);Dw.indexOf(r)!==-1&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=r)}if(n.propertyName===null||n.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n}static findNode(e,t){if(!t||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let n=e.skeleton.getBoneByName(t);if(n!==void 0)return n}if(e.children){let n=function(r){for(let a=0;a<r.length;a++){let o=r[a];if(o.name===t||o.uuid===t)return o;let l=n(o.children);if(l)return l}return null},i=n(e.children);if(i)return i}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.targetObject[this.propertyName]}_getValue_array(e,t){let n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)e[t++]=n[i]}_getValue_arrayElement(e,t){e[t]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(e,t){this.resolvedProperty.toArray(e,t)}_setValue_direct(e,t){this.targetObject[this.propertyName]=e[t]}_setValue_direct_setNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(e,t){let n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++]}_setValue_array_setNeedsUpdate(e,t){let n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){let n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(e,t){this.resolvedProperty[this.propertyIndex]=e[t]}_setValue_arrayElement_setNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(e,t){this.resolvedProperty.fromArray(e,t)}_setValue_fromArray_setNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(e,t){this.bind(),this.getValue(e,t)}_setValue_unbound(e,t){this.bind(),this.setValue(e,t)}bind(){let e=this.node,t=this.parsedPath,n=t.objectName,i=t.propertyName,r=t.propertyIndex;if(e||(e=ze.findNode(this.rootNode,t.nodeName)||this.rootNode,this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e){console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.");return}if(n){let c=t.objectIndex;switch(n){case"materials":if(!e.material){console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);return}if(!e.material.materials){console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);return}e=e.material.materials;break;case"bones":if(!e.skeleton){console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);return}e=e.skeleton.bones;for(let u=0;u<e.length;u++)if(e[u].name===c){c=u;break}break;default:if(e[n]===void 0){console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);return}e=e[n]}if(c!==void 0){if(e[c]===void 0){console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);return}e=e[c]}}let a=e[i];if(a===void 0){let c=t.nodeName;console.error("THREE.PropertyBinding: Trying to update property for track: "+c+"."+i+" but it wasn't found.",e);return}let o=this.Versioning.None;this.targetObject=e,e.needsUpdate!==void 0?o=this.Versioning.NeedsUpdate:e.matrixWorldNeedsUpdate!==void 0&&(o=this.Versioning.MatrixWorldNeedsUpdate);let l=this.BindingType.Direct;if(r!==void 0){if(i==="morphTargetInfluences"){if(!e.geometry){console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);return}if(e.geometry.isBufferGeometry){if(!e.geometry.morphAttributes){console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a 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Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=c}remove(){let e=this._objects,t=this._indicesByUUID,n=this._bindings,i=n.length,r=this.nCachedObjects_;for(let a=0,o=arguments.length;a!==o;++a){let l=arguments[a],c=l.uuid,u=t[c];if(u!==void 0&&u>=r){let h=r++,d=e[h];t[d.uuid]=u,e[u]=d,t[c]=h,e[h]=l;for(let f=0,p=i;f!==p;++f){let v=n[f],x=v[h],g=v[u];v[u]=x,v[h]=g}}}this.nCachedObjects_=r}uncache(){let e=this._objects,t=this._indicesByUUID,n=this._bindings,i=n.length,r=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){let c=arguments[o],u=c.uuid,h=t[u];if(h!==void 0)if(delete t[u],h<r){let d=--r,f=e[d],p=--a,v=e[p];t[f.uuid]=h,e[h]=f,t[v.uuid]=d,e[d]=v,e.pop();for(let x=0,g=i;x!==g;++x){let m=n[x],w=m[d],y=m[p];m[h]=w,m[d]=y,m.pop()}}else{let d=--a,f=e[d];d>0&&(t[f.uuid]=h),e[h]=f,e.pop();for(let p=0,v=i;p!==v;++p){let x=n[p];x[h]=x[d],x.pop()}}}this.nCachedObjects_=r}subscribe_(e,t){let n=this._bindingsIndicesByPath,i=n[e],r=this._bindings;if(i!==void 0)return r[i];let a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,u=this.nCachedObjects_,h=new Array(c);i=r.length,n[e]=i,a.push(e),o.push(t),r.push(h);for(let d=u,f=l.length;d!==f;++d){let p=l[d];h[d]=new ze(p,e,t)}return h}unsubscribe_(e){let t=this._bindingsIndicesByPath,n=t[e];if(n!==void 0){let i=this._paths,r=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=n,a[n]=l,a.pop(),r[n]=r[o],r.pop(),i[n]=i[o],i.pop()}}};$c.prototype.isAnimationObjectGroup=!0;var np=class{constructor(e,t,n=null,i=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=n,this.blendMode=i;let r=t.tracks,a=r.length,o=new Array(a),l={endingStart:Li,endingEnd:Li};for(let c=0;c!==a;++c){let u=r[c].createInterpolant(null);o[c]=u,u.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new 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this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,n){if(e.fadeOut(t),this.fadeIn(t),n){let i=this._clip.duration,r=e._clip.duration,a=r/i,o=i/r;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,n){return e.crossFadeFrom(this,t,n)}stopFading(){let e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,n){let i=this._mixer,r=i.time,a=this.timeScale,o=this._timeScaleInterpolant;o===null&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);let l=o.parameterPositions,c=o.sampleValues;return l[0]=r,l[1]=r+n,c[0]=e/a,c[1]=t/a,this}stopWarping(){let e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,n,i){if(!this.enabled){this._updateWeight(e);return}let r=this._startTime;if(r!==null){let l=(e-r)*n;if(l<0||n===0)return;this._startTime=null,t=n*l}t*=this._updateTimeScale(e);let a=this._updateTime(t),o=this._updateWeight(e);if(o>0){let l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case Tl:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulateAdditive(o);break;case Ma:default:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulate(i,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;let n=this._weightInterpolant;if(n!==null){let i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopFading(),i===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;let n=this._timeScaleInterpolant;n!==null&&(t*=n.evaluate(e)[0],e>n.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){let t=this._clip.duration,n=this.loop,i=this.time+e,r=this._loopCount,a=n===ad;if(e===0)return r===-1?i:a&&(r&1)==1?t-i:i;if(n===rd){r===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(i>=t)i=t;else if(i<0)i=0;else{this.time=i;break 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i=this._mixer,r=i.time,a=this._weightInterpolant;a===null&&(a=i._lendControlInterpolant(),this._weightInterpolant=a);let o=a.parameterPositions,l=a.sampleValues;return o[0]=r,l[0]=t,o[1]=r+e,l[1]=n,this}},eu=class extends Ht{constructor(e){super();this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){let n=e._localRoot||this._root,i=e._clip.tracks,r=i.length,a=e._propertyBindings,o=e._interpolants,l=n.uuid,c=this._bindingsByRootAndName,u=c[l];u===void 0&&(u={},c[l]=u);for(let h=0;h!==r;++h){let d=i[h],f=d.name,p=u[f];if(p!==void 0)a[h]=p;else{if(p=a[h],p!==void 0){p._cacheIndex===null&&(++p.referenceCount,this._addInactiveBinding(p,l,f));continue}let v=t&&t._propertyBindings[h].binding.parsedPath;p=new Zc(ze.create(n,f,v),d.ValueTypeName,d.getValueSize()),++p.referenceCount,this._addInactiveBinding(p,l,f),a[h]=p}o[h].resultBuffer=p.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(e._cacheIndex===null){let n=(e._localRoot||this._root).uuid,i=e._clip.uuid,r=this._actionsByClip[i];this._bindAction(e,r&&r.knownActions[0]),this._addInactiveAction(e,i,n)}let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let r=t[n];r.useCount++==0&&(this._lendBinding(r),r.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let r=t[n];--r.useCount==0&&(r.restoreOriginalState(),this._takeBackBinding(r))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;let e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){let t=e._cacheIndex;return t!==null&&t<this._nActiveActions}_addInactiveAction(e,t,n){let i=this._actions,r=this._actionsByClip,a=r[t];if(a===void 0)a={knownActions:[e],actionByRoot:{}},e._byClipCacheIndex=0,r[t]=a;else{let o=a.knownActions;e._byClipCacheIndex=o.length,o.push(e)}e._cacheIndex=i.length,i.push(e),a.actionByRoot[n]=e}_removeInactiveAction(e){let t=this._actions,n=t[t.length-1],i=e._cacheIndex;n._cacheIndex=i,t[i]=n,t.pop(),e._cacheIndex=null;let r=e._clip.uuid,a=this._actionsByClip,o=a[r],l=o.knownActions,c=l[l.length-1],u=e._byClipCacheIndex;c._byClipCacheIndex=u,l[u]=c,l.pop(),e._byClipCacheIndex=null;let h=o.actionByRoot,d=(e._localRoot||this._root).uuid;delete h[d],l.length===0&&delete a[r],this._removeInactiveBindingsForAction(e)}_removeInactiveBindingsForAction(e){let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let r=t[n];--r.referenceCount==0&&this._removeInactiveBinding(r)}}_lendAction(e){let t=this._actions,n=e._cacheIndex,i=this._nActiveActions++,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_takeBackAction(e){let t=this._actions,n=e._cacheIndex,i=--this._nActiveActions,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_addInactiveBinding(e,t,n){let i=this._bindingsByRootAndName,r=this._bindings,a=i[t];a===void 0&&(a={},i[t]=a),a[n]=e,e._cacheIndex=r.length,r.push(e)}_removeInactiveBinding(e){let t=this._bindings,n=e.binding,i=n.rootNode.uuid,r=n.path,a=this._bindingsByRootAndName,o=a[i],l=t[t.length-1],c=e._cacheIndex;l._cacheIndex=c,t[c]=l,t.pop(),delete o[r],Object.keys(o).length===0&&delete a[i]}_lendBinding(e){let t=this._bindings,n=e._cacheIndex,i=this._nActiveBindings++,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_takeBackBinding(e){let t=this._bindings,n=e._cacheIndex,i=--this._nActiveBindings,r=t[i];e._cacheIndex=i,t[i]=e,r._cacheIndex=n,t[n]=r}_lendControlInterpolant(){let e=this._controlInterpolants,t=this._nActiveControlInterpolants++,n=e[t];return n===void 0&&(n=new Po(new Float32Array(2),new Float32Array(2),1,this._controlInterpolantsResultBuffer),n.__cacheIndex=t,e[t]=n),n}_takeBackControlInterpolant(e){let t=this._controlInterpolants,n=e.__cacheIndex,i=--this._nActiveControlInterpolants,r=t[i];e.__cacheIndex=i,t[i]=e,r.__cacheIndex=n,t[n]=r}clipAction(e,t,n){let i=t||this._root,r=i.uuid,a=typeof e=="string"?is.findByName(i,e):e,o=a!==null?a.uuid:e,l=this._actionsByClip[o],c=null;if(n===void 0&&(a!==null?n=a.blendMode:n=Ma),l!==void 0){let h=l.actionByRoot[r];if(h!==void 0&&h.blendMode===n)return h;c=l.knownActions[0],a===null&&(a=c._clip)}if(a===null)return null;let u=new np(this,a,t,n);return this._bindAction(u,c),this._addInactiveAction(u,o,r),u}existingAction(e,t){let n=t||this._root,i=n.uuid,r=typeof e=="string"?is.findByName(n,e):e,a=r?r.uuid:e,o=this._actionsByClip[a];return o!==void 0&&o.actionByRoot[i]||null}stopAllAction(){let e=this._actions,t=this._nActiveActions;for(let n=t-1;n>=0;--n)e[n].stop();return this}update(e){e*=this.timeScale;let t=this._actions,n=this._nActiveActions,i=this.time+=e,r=Math.sign(e),a=this._accuIndex^=1;for(let c=0;c!==n;++c)t[c]._update(i,e,r,a);let o=this._bindings,l=this._nActiveBindings;for(let c=0;c!==l;++c)o[c].apply(a);return this}setTime(e){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(e)}getRoot(){return this._root}uncacheClip(e){let t=this._actions,n=e.uuid,i=this._actionsByClip,r=i[n];if(r!==void 0){let a=r.knownActions;for(let o=0,l=a.length;o!==l;++o){let c=a[o];this._deactivateAction(c);let u=c._cacheIndex,h=t[t.length-1];c._cacheIndex=null,c._byClipCacheIndex=null,h._cacheIndex=u,t[u]=h,t.pop(),this._removeInactiveBindingsForAction(c)}delete i[n]}}uncacheRoot(e){let t=e.uuid,n=this._actionsByClip;for(let a in n){let o=n[a].actionByRoot,l=o[t];l!==void 0&&(this._deactivateAction(l),this._removeInactiveAction(l))}let i=this._bindingsByRootAndName,r=i[t];if(r!==void 0)for(let a in r){let o=r[a];o.restoreOriginalState(),this._removeInactiveBinding(o)}}uncacheAction(e,t){let n=this.existingAction(e,t);n!==null&&(this._deactivateAction(n),this._removeInactiveAction(n))}};eu.prototype._controlInterpolantsResultBuffer=new Float32Array(1);var Oe=class{constructor(e){typeof e=="string"&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),e=arguments[1]),this.value=e}clone(){return new Oe(this.value.clone===void 0?this.value:this.value.clone())}},tu=class extends ci{constructor(e,t,n=1){super(e,t);this.meshPerAttribute=n}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}clone(e){let t=super.clone(e);return t.meshPerAttribute=this.meshPerAttribute,t}toJSON(e){let t=super.toJSON(e);return t.isInstancedInterleavedBuffer=!0,t.meshPerAttribute=this.meshPerAttribute,t}};tu.prototype.isInstancedInterleavedBuffer=!0;var nu=class{constructor(e,t,n,i,r){this.buffer=e,this.type=t,this.itemSize=n,this.elementSize=i,this.count=r,this.version=0}set needsUpdate(e){e===!0&&this.version++}setBuffer(e){return this.buffer=e,this}setType(e,t){return this.type=e,this.elementSize=t,this}setItemSize(e){return this.itemSize=e,this}setCount(e){return this.count=e,this}};nu.prototype.isGLBufferAttribute=!0;var ip=class{constructor(e,t,n=0,i=1/0){this.ray=new In(e,t),this.near=n,this.far=i,this.camera=null,this.layers=new Ba,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(e,t){this.ray.set(e,t)}setFromCamera(e,t){t&&t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t&&t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,(t.near+t.far)/(t.near-t.far)).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):console.error("THREE.Raycaster: Unsupported camera type: "+t.type)}intersectObject(e,t=!0,n=[]){return iu(e,this,n,t),n.sort(rp),n}intersectObjects(e,t=!0,n=[]){for(let i=0,r=e.length;i<r;i++)iu(e[i],this,n,t);return n.sort(rp),n}};function rp(s,e){return s.distance-e.distance}function iu(s,e,t,n){if(s.layers.test(e.layers)&&s.raycast(e,t),n===!0){let i=s.children;for(let r=0,a=i.length;r<a;r++)iu(i[r],e,t,!0)}}var ca=class{constructor(e=1,t=0,n=0){return this.radius=e,this.phi=t,this.theta=n,this}set(e,t,n){return this.radius=e,this.phi=t,this.theta=n,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makeSafe(){let e=1e-6;return this.phi=Math.max(e,Math.min(Math.PI-e,this.phi)),this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,n){return this.radius=Math.sqrt(e*e+t*t+n*n),this.radius===0?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e,n),this.phi=Math.acos(Lt(t/this.radius,-1,1))),this}clone(){return new this.constructor().copy(this)}},sp=class{constructor(e=1,t=0,n=0){return this.radius=e,this.theta=t,this.y=n,this}set(e,t,n){return this.radius=e,this.theta=t,this.y=n,this}copy(e){return this.radius=e.radius,this.theta=e.theta,this.y=e.y,this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,n){return this.radius=Math.sqrt(e*e+n*n),this.theta=Math.atan2(e,n),this.y=t,this}clone(){return new this.constructor().copy(this)}},ap=new U,nr=class{constructor(e=new U(1/0,1/0),t=new U(-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let n=ap.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(e){return this.isEmpty()?e.set(0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y)}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return ap.copy(e).clamp(this.min,this.max).sub(e).length()}intersect(e){return this.min.max(e.min),this.max.min(e.max),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}};nr.prototype.isBox2=!0;var op=new A,Go=new A,ru=class{constructor(e=new A,t=new A){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){op.subVectors(e,this.start),Go.subVectors(this.end,this.start);let n=Go.dot(Go),r=Go.dot(op)/n;return t&&(r=Lt(r,0,1)),r}closestPointToPoint(e,t,n){let i=this.closestPointToPointParameter(e,t);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}},lp=new A,cp=class extends Te{constructor(e,t){super();this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=t;let n=new de,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let a=0,o=1,l=32;a<l;a++,o++){let c=a/l*Math.PI*2,u=o/l*Math.PI*2;i.push(Math.cos(c),Math.sin(c),1,Math.cos(u),Math.sin(u),1)}n.setAttribute("position",new ce(i,3));let r=new Ze({fog:!1,toneMapped:!1});this.cone=new At(n,r),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateMatrixWorld();let e=this.light.distance?this.light.distance:1e3,t=e*Math.tan(this.light.angle);this.cone.scale.set(t,t,e),lp.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(lp),this.color!==void 0?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}},gi=new A,ko=new ge,su=new ge,au=class extends At{constructor(e){let t=up(e),n=new de,i=[],r=[],a=new ee(0,0,1),o=new ee(0,1,0);for(let c=0;c<t.length;c++){let u=t[c];u.parent&&u.parent.isBone&&(i.push(0,0,0),i.push(0,0,0),r.push(a.r,a.g,a.b),r.push(o.r,o.g,o.b))}n.setAttribute("position",new ce(i,3)),n.setAttribute("color",new ce(r,3));let l=new Ze({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0});super(n,l);this.type="SkeletonHelper",this.isSkeletonHelper=!0,this.root=e,this.bones=t,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1}updateMatrixWorld(e){let t=this.bones,n=this.geometry,i=n.getAttribute("position");su.copy(this.root.matrixWorld).invert();for(let r=0,a=0;r<t.length;r++){let o=t[r];o.parent&&o.parent.isBone&&(ko.multiplyMatrices(su,o.matrixWorld),gi.setFromMatrixPosition(ko),i.setXYZ(a,gi.x,gi.y,gi.z),ko.multiplyMatrices(su,o.parent.matrixWorld),gi.setFromMatrixPosition(ko),i.setXYZ(a+1,gi.x,gi.y,gi.z),a+=2)}n.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(e)}};function up(s){let e=[];s&&s.isBone&&e.push(s);for(let t=0;t<s.children.length;t++)e.push.apply(e,up(s.children[t]));return e}var hp=class extends He{constructor(e,t,n){let i=new $t(t,4,2),r=new zt({wireframe:!0,fog:!1,toneMapped:!1});super(i,r);this.light=e,this.light.updateMatrixWorld(),this.color=n,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.color!==void 0?this.material.color.set(this.color):this.material.color.copy(this.light.color)}},Lw=new A,dp=new ee,fp=new ee,pp=class extends Te{constructor(e,t,n){super();this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n;let i=new Yi(t);i.rotateY(Math.PI*.5),this.material=new zt({wireframe:!0,fog:!1,toneMapped:!1}),this.color===void 0&&(this.material.vertexColors=!0);let r=i.getAttribute("position"),a=new Float32Array(r.count*3);i.setAttribute("color",new pe(a,3)),this.add(new He(i,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){let e=this.children[0];if(this.color!==void 0)this.material.color.set(this.color);else{let t=e.geometry.getAttribute("color");dp.copy(this.light.color),fp.copy(this.light.groundColor);for(let n=0,i=t.count;n<i;n++){let r=n<i/2?dp:fp;t.setXYZ(n,r.r,r.g,r.b)}t.needsUpdate=!0}e.lookAt(Lw.setFromMatrixPosition(this.light.matrixWorld).negate())}},ir=class extends At{constructor(e=10,t=10,n=4473924,i=8947848){n=new ee(n),i=new ee(i);let r=t/2,a=e/t,o=e/2,l=[],c=[];for(let d=0,f=0,p=-o;d<=t;d++,p+=a){l.push(-o,0,p,o,0,p),l.push(p,0,-o,p,0,o);let v=d===r?n:i;v.toArray(c,f),f+=3,v.toArray(c,f),f+=3,v.toArray(c,f),f+=3,v.toArray(c,f),f+=3}let u=new de;u.setAttribute("position",new ce(l,3)),u.setAttribute("color",new ce(c,3));let h=new Ze({vertexColors:!0,toneMapped:!1});super(u,h);this.type="GridHelper"}},mp=class extends At{constructor(e=10,t=16,n=8,i=64,r=4473924,a=8947848){r=new ee(r),a=new ee(a);let o=[],l=[];for(let h=0;h<=t;h++){let d=h/t*(Math.PI*2),f=Math.sin(d)*e,p=Math.cos(d)*e;o.push(0,0,0),o.push(f,0,p);let v=h&1?r:a;l.push(v.r,v.g,v.b),l.push(v.r,v.g,v.b)}for(let h=0;h<=n;h++){let d=h&1?r:a,f=e-e/n*h;for(let p=0;p<i;p++){let v=p/i*(Math.PI*2),x=Math.sin(v)*f,g=Math.cos(v)*f;o.push(x,0,g),l.push(d.r,d.g,d.b),v=(p+1)/i*(Math.PI*2),x=Math.sin(v)*f,g=Math.cos(v)*f,o.push(x,0,g),l.push(d.r,d.g,d.b)}}let c=new de;c.setAttribute("position",new ce(o,3)),c.setAttribute("color",new ce(l,3));let u=new Ze({vertexColors:!0,toneMapped:!1});super(c,u);this.type="PolarGridHelper"}},gp=new A,Vo=new A,vp=new A,xp=class extends Te{constructor(e,t,n){super();this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,t===void 0&&(t=1);let i=new de;i.setAttribute("position",new ce([-t,t,0,t,t,0,t,-t,0,-t,-t,0,-t,t,0],3));let r=new Ze({fog:!1,toneMapped:!1});this.lightPlane=new Vt(i,r),this.add(this.lightPlane),i=new de,i.setAttribute("position",new ce([0,0,0,0,0,1],3)),this.targetLine=new Vt(i,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){gp.setFromMatrixPosition(this.light.matrixWorld),Vo.setFromMatrixPosition(this.light.target.matrixWorld),vp.subVectors(Vo,gp),this.lightPlane.lookAt(Vo),this.color!==void 0?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(Vo),this.targetLine.scale.z=vp.length()}},Wo=new A,dt=new si,yp=class extends At{constructor(e){let t=new de,n=new Ze({color:16777215,vertexColors:!0,toneMapped:!1}),i=[],r=[],a={},o=new ee(16755200),l=new ee(16711680),c=new ee(43775),u=new ee(16777215),h=new ee(3355443);d("n1","n2",o),d("n2","n4",o),d("n4","n3",o),d("n3","n1",o),d("f1","f2",o),d("f2","f4",o),d("f4","f3",o),d("f3","f1",o),d("n1","f1",o),d("n2","f2",o),d("n3","f3",o),d("n4","f4",o),d("p","n1",l),d("p","n2",l),d("p","n3",l),d("p","n4",l),d("u1","u2",c),d("u2","u3",c),d("u3","u1",c),d("c","t",u),d("p","c",h),d("cn1","cn2",h),d("cn3","cn4",h),d("cf1","cf2",h),d("cf3","cf4",h);function d(p,v,x){f(p,x),f(v,x)}function f(p,v){i.push(0,0,0),r.push(v.r,v.g,v.b),a[p]===void 0&&(a[p]=[]),a[p].push(i.length/3-1)}t.setAttribute("position",new ce(i,3)),t.setAttribute("color",new ce(r,3));super(t,n);this.type="CameraHelper",this.camera=e,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=a,this.update()}update(){let e=this.geometry,t=this.pointMap,n=1,i=1;dt.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),xt("c",t,e,dt,0,0,-1),xt("t",t,e,dt,0,0,1),xt("n1",t,e,dt,-n,-i,-1),xt("n2",t,e,dt,n,-i,-1),xt("n3",t,e,dt,-n,i,-1),xt("n4",t,e,dt,n,i,-1),xt("f1",t,e,dt,-n,-i,1),xt("f2",t,e,dt,n,-i,1),xt("f3",t,e,dt,-n,i,1),xt("f4",t,e,dt,n,i,1),xt("u1",t,e,dt,n*.7,i*1.1,-1),xt("u2",t,e,dt,-n*.7,i*1.1,-1),xt("u3",t,e,dt,0,i*2,-1),xt("cf1",t,e,dt,-n,0,1),xt("cf2",t,e,dt,n,0,1),xt("cf3",t,e,dt,0,-i,1),xt("cf4",t,e,dt,0,i,1),xt("cn1",t,e,dt,-n,0,-1),xt("cn2",t,e,dt,n,0,-1),xt("cn3",t,e,dt,0,-i,-1),xt("cn4",t,e,dt,0,i,-1),e.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}};function xt(s,e,t,n,i,r,a){Wo.set(i,r,a).unproject(n);let o=e[s];if(o!==void 0){let l=t.getAttribute("position");for(let c=0,u=o.length;c<u;c++)l.setXYZ(o[c],Wo.x,Wo.y,Wo.z)}}var jo=new It,ou=class extends At{constructor(e,t=16776960){let n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=new Float32Array(8*3),r=new de;r.setIndex(new pe(n,1)),r.setAttribute("position",new pe(i,3));super(r,new Ze({color:t,toneMapped:!1}));this.object=e,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(e){if(e!==void 0&&console.warn("THREE.BoxHelper: .update() has no longer arguments."),this.object!==void 0&&jo.setFromObject(this.object),jo.isEmpty())return;let t=jo.min,n=jo.max,i=this.geometry.attributes.position,r=i.array;r[0]=n.x,r[1]=n.y,r[2]=n.z,r[3]=t.x,r[4]=n.y,r[5]=n.z,r[6]=t.x,r[7]=t.y,r[8]=n.z,r[9]=n.x,r[10]=t.y,r[11]=n.z,r[12]=n.x,r[13]=n.y,r[14]=t.z,r[15]=t.x,r[16]=n.y,r[17]=t.z,r[18]=t.x,r[19]=t.y,r[20]=t.z,r[21]=n.x,r[22]=t.y,r[23]=t.z,i.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(e){return this.object=e,this.update(),this}copy(e){return At.prototype.copy.call(this,e),this.object=e.object,this}},wp=class extends At{constructor(e,t=16776960){let n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),i=[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],r=new de;r.setIndex(new pe(n,1)),r.setAttribute("position",new ce(i,3));super(r,new Ze({color:t,toneMapped:!1}));this.box=e,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(e){let t=this.box;t.isEmpty()||(t.getCenter(this.position),t.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(e))}},bp=class extends Vt{constructor(e,t=1,n=16776960){let i=n,r=[1,-1,1,-1,1,1,-1,-1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,0,0,1,0,0,0],a=new de;a.setAttribute("position",new ce(r,3)),a.computeBoundingSphere();super(a,new Ze({color:i,toneMapped:!1}));this.type="PlaneHelper",this.plane=e,this.size=t;let o=[1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],l=new de;l.setAttribute("position",new ce(o,3)),l.computeBoundingSphere(),this.add(new He(l,new zt({color:i,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(e){let t=-this.plane.constant;Math.abs(t)<1e-8&&(t=1e-8),this.scale.set(.5*this.size,.5*this.size,t),this.children[0].material.side=t<0?je:Tn,this.lookAt(this.plane.normal),super.updateMatrixWorld(e)}},Ap=new A,Yo,lu,Mp=class extends Te{constructor(e=new A(0,0,1),t=new A(0,0,0),n=1,i=16776960,r=n*.2,a=r*.2){super();this.type="ArrowHelper",Yo===void 0&&(Yo=new de,Yo.setAttribute("position",new ce([0,0,0,0,1,0],3)),lu=new hi(0,.5,1,5,1),lu.translate(0,-.5,0)),this.position.copy(t),this.line=new Vt(Yo,new Ze({color:i,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new He(lu,new zt({color:i,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(e),this.setLength(n,r,a)}setDirection(e){if(e.y>.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{Ap.set(e.z,0,-e.x).normalize();let t=Math.acos(e.y);this.quaternion.setFromAxisAngle(Ap,t)}}setLength(e,t=e*.2,n=t*.2){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(n,t,n),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}},ua=class extends At{constructor(e=1){let t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],n=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],i=new de;i.setAttribute("position",new ce(t,3)),i.setAttribute("color",new ce(n,3));let r=new Ze({vertexColors:!0,toneMapped:!1});super(i,r);this.type="AxesHelper"}setColors(e,t,n){let i=new ee,r=this.geometry.attributes.color.array;return i.set(e),i.toArray(r,0),i.toArray(r,3),i.set(t),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}},Ep=class{constructor(){this.type="ShapePath",this.color=new ee,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new Yr,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,n,i){return this.currentPath.quadraticCurveTo(e,t,n,i),this}bezierCurveTo(e,t,n,i,r,a){return this.currentPath.bezierCurveTo(e,t,n,i,r,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e,t){function n(m){let w=[];for(let y=0,M=m.length;y<M;y++){let S=m[y],b=new mn;b.curves=S.curves,w.push(b)}return w}function i(m,w){let y=w.length,M=!1;for(let S=y-1,b=0;b<y;S=b++){let R=w[S],I=w[b],L=I.x-R.x,P=I.y-R.y;if(Math.abs(P)>Number.EPSILON){if(P<0&&(R=w[b],L=-L,I=w[S],P=-P),m.y<R.y||m.y>I.y)continue;if(m.y===R.y){if(m.x===R.x)return!0}else{let Z=P*(m.x-R.x)-L*(m.y-R.y);if(Z===0)return!0;if(Z<0)continue;M=!M}}else{if(m.y!==R.y)continue;if(I.x<=m.x&&m.x<=R.x||R.x<=m.x&&m.x<=I.x)return!0}}return M}let r=gn.isClockWise,a=this.subPaths;if(a.length===0)return[];if(t===!0)return n(a);let o,l,c,u=[];if(a.length===1)return l=a[0],c=new mn,c.curves=l.curves,u.push(c),u;let h=!r(a[0].getPoints());h=e?!h:h;let d=[],f=[],p=[],v=0,x;f[v]=void 0,p[v]=[];for(let m=0,w=a.length;m<w;m++)l=a[m],x=l.getPoints(),o=r(x),o=e?!o:o,o?(!h&&f[v]&&v++,f[v]={s:new mn,p:x},f[v].s.curves=l.curves,h&&v++,p[v]=[]):p[v].push({h:l,p:x[0]});if(!f[0])return n(a);if(f.length>1){let m=!1,w=[];for(let y=0,M=f.length;y<M;y++)d[y]=[];for(let y=0,M=f.length;y<M;y++){let S=p[y];for(let b=0;b<S.length;b++){let R=S[b],I=!0;for(let L=0;L<f.length;L++)i(R.p,f[L].p)&&(y!==L&&w.push({froms:y,tos:L,hole:b}),I?(I=!1,d[L].push(R)):m=!0);I&&d[y].push(R)}}w.length>0&&(m||(p=d))}let g;for(let m=0,w=f.length;m<w;m++){c=f[m].s,u.push(c),g=p[m];for(let y=0,M=g.length;y<M;y++)c.holes.push(g[y].h)}return u}},_p=new Float32Array(1),Iw=new Int32Array(_p.buffer),Tp=class{static toHalfFloat(e){e>65504&&(console.warn("THREE.DataUtils.toHalfFloat(): value exceeds 65504."),e=65504),_p[0]=e;let t=Iw[0],n=t>>16&32768,i=t>>12&2047,r=t>>23&255;return r<103?n:r>142?(n|=31744,n|=(r==255?0:1)&&t&8388607,n):r<113?(i|=2048,n|=(i>>114-r)+(i>>113-r&1),n):(n|=r-112<<10|i>>1,n+=i&1,n)}},Bw=0,Fw=1,Ow=0,Uw=1,Nw=2;function Hw(s){return console.warn("THREE.MeshFaceMaterial has been removed. Use an Array instead."),s}function zw(s=[]){return console.warn("THREE.MultiMaterial has been removed. Use an Array instead."),s.isMultiMaterial=!0,s.materials=s,s.clone=function(){return s.slice()},s}function Gw(s,e){return console.warn("THREE.PointCloud has been renamed to THREE.Points."),new Ot(s,e)}function kw(s){return console.warn("THREE.Particle has been renamed to THREE.Sprite."),new ji(s)}function Vw(s,e){return console.warn("THREE.ParticleSystem has been renamed to THREE.Points."),new Ot(s,e)}function Ww(s){return console.warn("THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial."),new Qt(s)}function jw(s){return console.warn("THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial."),new Qt(s)}function Yw(s){return console.warn("THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial."),new Qt(s)}function Xw(s,e,t){return console.warn("THREE.Vertex has been removed. Use THREE.Vector3 instead."),new A(s,e,t)}function Qw(s,e){return console.warn("THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead."),new pe(s,e).setUsage(Rn)}function qw(s,e){return console.warn("THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead."),new Zl(s,e)}function Zw(s,e){return console.warn("THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead."),new Jl(s,e)}function Jw(s,e){return console.warn("THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead."),new Kl(s,e)}function Kw(s,e){return console.warn("THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead."),new $l(s,e)}function $w(s,e){return console.warn("THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead."),new Is(s,e)}function eb(s,e){return console.warn("THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead."),new ec(s,e)}function tb(s,e){return console.warn("THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead."),new Bs(s,e)}function nb(s,e){return console.warn("THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead."),new ce(s,e)}function ib(s,e){return console.warn("THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead."),new nc(s,e)}Wt.create=function(s,e){return console.log("THREE.Curve.create() has been deprecated"),s.prototype=Object.create(Wt.prototype),s.prototype.constructor=s,s.prototype.getPoint=e,s};Yr.prototype.fromPoints=function(s){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(s)};function rb(s){return console.warn("THREE.AxisHelper has been renamed to THREE.AxesHelper."),new ua(s)}function sb(s,e){return console.warn("THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead."),new ou(s,e)}function ab(s,e){return console.warn("THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead."),new At(new po(s.geometry),new Ze({color:e!==void 0?e:16777215}))}ir.prototype.setColors=function(){console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.")};au.prototype.update=function(){console.error("THREE.SkeletonHelper: update() no longer needs to be called.")};function ob(s,e){return console.warn("THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead."),new At(new Ao(s.geometry),new Ze({color:e!==void 0?e:16777215}))}St.prototype.extractUrlBase=function(s){return console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead."),la.extractUrlBase(s)};St.Handlers={add:function(){console.error("THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.")},get:function(){console.error("THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.")}};function lb(s){return console.warn("THREE.XHRLoader has been renamed to THREE.FileLoader."),new qt(s)}function cb(s){return console.warn("THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader."),new Oc(s)}nr.prototype.center=function(s){return console.warn("THREE.Box2: .center() has been renamed to .getCenter()."),this.getCenter(s)};nr.prototype.empty=function(){return console.warn("THREE.Box2: .empty() has been renamed to .isEmpty()."),this.isEmpty()};nr.prototype.isIntersectionBox=function(s){return console.warn("THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(s)};nr.prototype.size=function(s){return console.warn("THREE.Box2: .size() has been renamed to .getSize()."),this.getSize(s)};It.prototype.center=function(s){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(s)};It.prototype.empty=function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()};It.prototype.isIntersectionBox=function(s){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(s)};It.prototype.isIntersectionSphere=function(s){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(s)};It.prototype.size=function(s){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(s)};Dn.prototype.empty=function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()};Cr.prototype.setFromMatrix=function(s){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(s)};ru.prototype.center=function(s){return console.warn("THREE.Line3: .center() has been renamed to .getCenter()."),this.getCenter(s)};wt.prototype.flattenToArrayOffset=function(s,e){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(s,e)};wt.prototype.multiplyVector3=function(s){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),s.applyMatrix3(this)};wt.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")};wt.prototype.applyToBufferAttribute=function(s){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),s.applyMatrix3(this)};wt.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")};wt.prototype.getInverse=function(s){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(s).invert()};ge.prototype.extractPosition=function(s){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(s)};ge.prototype.flattenToArrayOffset=function(s,e){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(s,e)};ge.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),new A().setFromMatrixColumn(this,3)};ge.prototype.setRotationFromQuaternion=function(s){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(s)};ge.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")};ge.prototype.multiplyVector3=function(s){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),s.applyMatrix4(this)};ge.prototype.multiplyVector4=function(s){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),s.applyMatrix4(this)};ge.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")};ge.prototype.rotateAxis=function(s){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),s.transformDirection(this)};ge.prototype.crossVector=function(s){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),s.applyMatrix4(this)};ge.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")};ge.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")};ge.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")};ge.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")};ge.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")};ge.prototype.applyToBufferAttribute=function(s){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),s.applyMatrix4(this)};ge.prototype.applyToVector3Array=function(){console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")};ge.prototype.makeFrustum=function(s,e,t,n,i,r){return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),this.makePerspective(s,e,n,t,i,r)};ge.prototype.getInverse=function(s){return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(s).invert()};fn.prototype.isIntersectionLine=function(s){return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),this.intersectsLine(s)};gt.prototype.multiplyVector3=function(s){return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),s.applyQuaternion(this)};gt.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()};In.prototype.isIntersectionBox=function(s){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(s)};In.prototype.isIntersectionPlane=function(s){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(s)};In.prototype.isIntersectionSphere=function(s){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(s)};ut.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()};ut.prototype.barycoordFromPoint=function(s,e){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(s,e)};ut.prototype.midpoint=function(s){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(s)};ut.prototypenormal=function(s){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(s)};ut.prototype.plane=function(s){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(s)};ut.barycoordFromPoint=function(s,e,t,n,i){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),ut.getBarycoord(s,e,t,n,i)};ut.normal=function(s,e,t,n){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),ut.getNormal(s,e,t,n)};mn.prototype.extractAllPoints=function(s){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(s)};mn.prototype.extrude=function(s){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new An(this,s)};mn.prototype.makeGeometry=function(s){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new Xi(this,s)};U.prototype.fromAttribute=function(s,e,t){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(s,e,t)};U.prototype.distanceToManhattan=function(s){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(s)};U.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};A.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")};A.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")};A.prototype.getPositionFromMatrix=function(s){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(s)};A.prototype.getScaleFromMatrix=function(s){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(s)};A.prototype.getColumnFromMatrix=function(s,e){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(e,s)};A.prototype.applyProjection=function(s){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(s)};A.prototype.fromAttribute=function(s,e,t){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(s,e,t)};A.prototype.distanceToManhattan=function(s){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(s)};A.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};Ye.prototype.fromAttribute=function(s,e,t){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(s,e,t)};Ye.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};Te.prototype.getChildByName=function(s){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(s)};Te.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")};Te.prototype.translate=function(s,e){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(e,s)};Te.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")};Te.prototype.applyMatrix=function(s){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(s)};Object.defineProperties(Te.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(s){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=s}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")},set:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")}}});He.prototype.setDrawMode=function(){console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")};Object.defineProperties(He.prototype,{drawMode:{get:function(){return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),od},set:function(){console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}});Qs.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")};st.prototype.setLens=function(s,e){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),e!==void 0&&(this.filmGauge=e),this.setFocalLength(s)};Object.defineProperties(nn.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(s){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=s}},shadowCameraLeft:{set:function(s){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=s}},shadowCameraRight:{set:function(s){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=s}},shadowCameraTop:{set:function(s){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=s}},shadowCameraBottom:{set:function(s){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=s}},shadowCameraNear:{set:function(s){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=s}},shadowCameraFar:{set:function(s){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=s}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(s){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=s}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(s){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=s}},shadowMapHeight:{set:function(s){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=s}}});Object.defineProperties(pe.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.usage===Rn},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(Rn)}}});pe.prototype.setDynamic=function(s){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(s===!0?Rn:dr),this};pe.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},pe.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")};de.prototype.addIndex=function(s){console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),this.setIndex(s)};de.prototype.addAttribute=function(s,e){return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),!(e&&e.isBufferAttribute)&&!(e&&e.isInterleavedBufferAttribute)?(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.setAttribute(s,new pe(arguments[1],arguments[2]))):s==="index"?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(e),this):this.setAttribute(s,e)};de.prototype.addDrawCall=function(s,e,t){t!==void 0&&console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),this.addGroup(s,e)};de.prototype.clearDrawCalls=function(){console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),this.clearGroups()};de.prototype.computeOffsets=function(){console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")};de.prototype.removeAttribute=function(s){return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),this.deleteAttribute(s)};de.prototype.applyMatrix=function(s){return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(s)};Object.defineProperties(de.prototype,{drawcalls:{get:function(){return console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups."),this.groups}},offsets:{get:function(){return console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups."),this.groups}}});ci.prototype.setDynamic=function(s){return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(s===!0?Rn:dr),this};ci.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")};An.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")};An.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")};An.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")};kt.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")};Oe.prototype.onUpdate=function(){return console.warn("THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead."),this};Object.defineProperties(ht.prototype,{wrapAround:{get:function(){console.warn("THREE.Material: .wrapAround has been removed.")},set:function(){console.warn("THREE.Material: .wrapAround has been removed.")}},overdraw:{get:function(){console.warn("THREE.Material: .overdraw has been removed.")},set:function(){console.warn("THREE.Material: .overdraw has been removed.")}},wrapRGB:{get:function(){return console.warn("THREE.Material: .wrapRGB has been removed."),new ee}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(s){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=s===ll}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(s){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=s}},vertexTangents:{get:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")},set:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")}}});Object.defineProperties(qe.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(s){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=s}}});Xe.prototype.clearTarget=function(s,e,t,n){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(s),this.clear(e,t,n)};Xe.prototype.animate=function(s){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(s)};Xe.prototype.getCurrentRenderTarget=function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()};Xe.prototype.getMaxAnisotropy=function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()};Xe.prototype.getPrecision=function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision};Xe.prototype.resetGLState=function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()};Xe.prototype.supportsFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")};Xe.prototype.supportsHalfFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")};Xe.prototype.supportsStandardDerivatives=function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")};Xe.prototype.supportsCompressedTextureS3TC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")};Xe.prototype.supportsCompressedTexturePVRTC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")};Xe.prototype.supportsBlendMinMax=function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")};Xe.prototype.supportsVertexTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures};Xe.prototype.supportsInstancedArrays=function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")};Xe.prototype.enableScissorTest=function(s){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(s)};Xe.prototype.initMaterial=function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")};Xe.prototype.addPrePlugin=function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")};Xe.prototype.addPostPlugin=function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")};Xe.prototype.updateShadowMap=function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")};Xe.prototype.setFaceCulling=function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")};Xe.prototype.allocTextureUnit=function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")};Xe.prototype.setTexture=function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")};Xe.prototype.setTexture2D=function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")};Xe.prototype.setTextureCube=function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")};Xe.prototype.getActiveMipMapLevel=function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()};Object.defineProperties(Xe.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(s){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=s}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(s){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=s}},shadowMapCullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")}},context:{get:function(){return console.warn("THREE.WebGLRenderer: .context has been removed. Use .getContext() instead."),this.getContext()}},vr:{get:function(){return console.warn("THREE.WebGLRenderer: .vr has been renamed to .xr"),this.xr}},gammaInput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead."),!1},set:function(){console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.")}},gammaOutput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),!1},set:function(s){console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),this.outputEncoding=s===!0?hr:_t}},toneMappingWhitePoint:{get:function(){return console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed."),1},set:function(){console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.")}}});Object.defineProperties(of.prototype,{cullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")}},renderReverseSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")}},renderSingleSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")}}});function ub(s,e,t){return console.warn("THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options )."),new Us(s,t)}Object.defineProperties(rt.prototype,{wrapS:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS},set:function(s){console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS=s}},wrapT:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT},set:function(s){console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT=s}},magFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter},set:function(s){console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter=s}},minFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter},set:function(s){console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter=s}},anisotropy:{get:function(){return console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy},set:function(s){console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy=s}},offset:{get:function(){return console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset},set:function(s){console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset=s}},repeat:{get:function(){return console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat},set:function(s){console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat=s}},format:{get:function(){return console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format},set:function(s){console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format=s}},type:{get:function(){return console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type},set:function(s){console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type=s}},generateMipmaps:{get:function(){return console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps},set:function(s){console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps=s}}});zo.prototype.load=function(s){console.warn("THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.");let e=this;return new jc().load(s,function(n){e.setBuffer(n)}),this};qc.prototype.getData=function(){return console.warn("THREE.AudioAnalyser: .getData() is now .getFrequencyData()."),this.getFrequencyData()};Os.prototype.updateCubeMap=function(s,e){return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),this.update(s,e)};Os.prototype.clear=function(s,e,t,n){return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),this.renderTarget.clear(s,e,t,n)};qn.crossOrigin=void 0;qn.loadTexture=function(s,e,t,n){console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");let i=new tn;i.setCrossOrigin(this.crossOrigin);let r=i.load(s,t,void 0,n);return e&&(r.mapping=e),r};qn.loadTextureCube=function(s,e,t,n){console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.");let i=new Fc;i.setCrossOrigin(this.crossOrigin);let r=i.load(s,t,void 0,n);return e&&(r.mapping=e),r};qn.loadCompressedTexture=function(){console.error("THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.")};qn.loadCompressedTextureCube=function(){console.error("THREE.ImageUtils.loadCompressedTextureCube has been removed. 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Please use "renderer.domElement" instead.'),this.object=e,this.domElement=t,this.domElement.style.touchAction="none",this.enabled=!0,this.target=new A,this.minDistance=0,this.maxDistance=1/0,this.minZoom=0,this.maxZoom=1/0,this.minPolarAngle=0,this.maxPolarAngle=Math.PI,this.minAzimuthAngle=-1/0,this.maxAzimuthAngle=1/0,this.enableDamping=!1,this.dampingFactor=.05,this.enableZoom=!0,this.zoomSpeed=1,this.enableRotate=!0,this.rotateSpeed=1,this.enablePan=!0,this.panSpeed=1,this.screenSpacePanning=!0,this.keyPanSpeed=7,this.autoRotate=!1,this.autoRotateSpeed=2,this.keys={LEFT:"ArrowLeft",UP:"ArrowUp",RIGHT:"ArrowRight",BOTTOM:"ArrowDown"},this.mouseButtons={LEFT:Jt.ROTATE,MIDDLE:Jt.DOLLY,RIGHT:Jt.PAN},this.touches={ONE:ln.ROTATE,TWO:ln.DOLLY_PAN},this.target0=this.target.clone(),this.position0=this.object.position.clone(),this.zoom0=this.object.zoom,this._domElementKeyEvents=null,this.getPolarAngle=function(){return o.phi},this.getAzimuthalAngle=function(){return o.theta},this.getDistance=function(){return this.object.position.distanceTo(this.target)},this.listenToKeyEvents=function(T){T.addEventListener("keydown",C),this._domElementKeyEvents=T},this.saveState=function(){n.target0.copy(n.target),n.position0.copy(n.object.position),n.zoom0=n.object.zoom},this.reset=function(){n.target.copy(n.target0),n.object.position.copy(n.position0),n.object.zoom=n.zoom0,n.object.updateProjectionMatrix(),n.dispatchEvent(Sp),n.update(),r=i.NONE},this.update=function(){let T=new A,V=new gt().setFromUnitVectors(e.up,new A(0,1,0)),K=V.clone().invert(),re=new A,le=new gt,Me=2*Math.PI;return function(){let Ue=n.object.position;T.copy(Ue).sub(n.target),T.applyQuaternion(V),o.setFromVector3(T),n.autoRotate&&r===i.NONE&&I(b()),n.enableDamping?(o.theta+=l.theta*n.dampingFactor,o.phi+=l.phi*n.dampingFactor):(o.theta+=l.theta,o.phi+=l.phi);let pt=n.minAzimuthAngle,mt=n.maxAzimuthAngle;return isFinite(pt)&&isFinite(mt)&&(pt<-Math.PI?pt+=Me:pt>Math.PI&&(pt-=Me),mt<-Math.PI?mt+=Me:mt>Math.PI&&(mt-=Me),pt<=mt?o.theta=Math.max(pt,Math.min(mt,o.theta)):o.theta=o.theta>(pt+mt)/2?Math.max(pt,o.theta):Math.min(mt,o.theta)),o.phi=Math.max(n.minPolarAngle,Math.min(n.maxPolarAngle,o.phi)),o.makeSafe(),o.radius*=c,o.radius=Math.max(n.minDistance,Math.min(n.maxDistance,o.radius)),n.enableDamping===!0?n.target.addScaledVector(u,n.dampingFactor):n.target.add(u),T.setFromSpherical(o),T.applyQuaternion(K),Ue.copy(n.target).add(T),n.object.lookAt(n.target),n.enableDamping===!0?(l.theta*=1-n.dampingFactor,l.phi*=1-n.dampingFactor,u.multiplyScalar(1-n.dampingFactor)):(l.set(0,0,0),u.set(0,0,0)),c=1,h||re.distanceToSquared(n.object.position)>a||8*(1-le.dot(n.object.quaternion))>a?(n.dispatchEvent(Sp),re.copy(n.object.position),le.copy(n.object.quaternion),h=!1,!0):!1}}(),this.dispose=function(){n.domElement.removeEventListener("contextmenu",Q),n.domElement.removeEventListener("pointerdown",te),n.domElement.removeEventListener("pointercancel",Ee),n.domElement.removeEventListener("wheel",Qe),n.domElement.removeEventListener("pointermove",he),n.domElement.removeEventListener("pointerup",ae),n._domElementKeyEvents!==null&&n._domElementKeyEvents.removeEventListener("keydown",C)};let n=this,i={NONE:-1,ROTATE:0,DOLLY:1,PAN:2,TOUCH_ROTATE:3,TOUCH_PAN:4,TOUCH_DOLLY_PAN:5,TOUCH_DOLLY_ROTATE:6},r=i.NONE,a=1e-6,o=new ca,l=new ca,c=1,u=new A,h=!1,d=new U,f=new U,p=new U,v=new U,x=new U,g=new U,m=new U,w=new U,y=new U,M=[],S={};function b(){return 2*Math.PI/60/60*n.autoRotateSpeed}function R(){return Math.pow(.95,n.zoomSpeed)}function I(T){l.theta-=T}function L(T){l.phi-=T}let P=function(){let T=new A;return function(K,re){T.setFromMatrixColumn(re,0),T.multiplyScalar(-K),u.add(T)}}(),Z=function(){let T=new A;return function(K,re){n.screenSpacePanning===!0?T.setFromMatrixColumn(re,1):(T.setFromMatrixColumn(re,0),T.crossVectors(n.object.up,T)),T.multiplyScalar(K),u.add(T)}}(),O=function(){let T=new A;return function(K,re){let le=n.domElement;if(n.object.isPerspectiveCamera){let Me=n.object.position;T.copy(Me).sub(n.target);let Je=T.length();Je*=Math.tan(n.object.fov/2*Math.PI/180),P(2*K*Je/le.clientHeight,n.object.matrix),Z(2*re*Je/le.clientHeight,n.object.matrix)}else n.object.isOrthographicCamera?(P(K*(n.object.right-n.object.left)/n.object.zoom/le.clientWidth,n.object.matrix),Z(re*(n.object.top-n.object.bottom)/n.object.zoom/le.clientHeight,n.object.matrix)):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."),n.enablePan=!1)}}();function F(T){n.object.isPerspectiveCamera?c/=T:n.object.isOrthographicCamera?(n.object.zoom=Math.max(n.minZoom,Math.min(n.maxZoom,n.object.zoom*T)),n.object.updateProjectionMatrix(),h=!0):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),n.enableZoom=!1)}function z(T){n.object.isPerspectiveCamera?c*=T:n.object.isOrthographicCamera?(n.object.zoom=Math.max(n.minZoom,Math.min(n.maxZoom,n.object.zoom/T)),n.object.updateProjectionMatrix(),h=!0):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),n.enableZoom=!1)}function N(T){d.set(T.clientX,T.clientY)}function G(T){m.set(T.clientX,T.clientY)}function ne(T){v.set(T.clientX,T.clientY)}function fe(T){f.set(T.clientX,T.clientY),p.subVectors(f,d).multiplyScalar(n.rotateSpeed);let V=n.domElement;I(2*Math.PI*p.x/V.clientHeight),L(2*Math.PI*p.y/V.clientHeight),d.copy(f),n.update()}function j(T){w.set(T.clientX,T.clientY),y.subVectors(w,m),y.y>0?F(R()):y.y<0&&z(R()),m.copy(w),n.update()}function Y(T){x.set(T.clientX,T.clientY),g.subVectors(x,v).multiplyScalar(n.panSpeed),O(g.x,g.y),v.copy(x),n.update()}function ue(T){T.deltaY<0?z(R()):T.deltaY>0&&F(R()),n.update()}function oe(T){let V=!1;switch(T.code){case n.keys.UP:O(0,n.keyPanSpeed),V=!0;break;case n.keys.BOTTOM:O(0,-n.keyPanSpeed),V=!0;break;case n.keys.LEFT:O(n.keyPanSpeed,0),V=!0;break;case n.keys.RIGHT:O(-n.keyPanSpeed,0),V=!0;break}V&&(T.preventDefault(),n.update())}function ve(){if(M.length===1)d.set(M[0].pageX,M[0].pageY);else{let T=.5*(M[0].pageX+M[1].pageX),V=.5*(M[0].pageY+M[1].pageY);d.set(T,V)}}function Fe(){if(M.length===1)v.set(M[0].pageX,M[0].pageY);else{let T=.5*(M[0].pageX+M[1].pageX),V=.5*(M[0].pageY+M[1].pageY);v.set(T,V)}}function J(){let T=M[0].pageX-M[1].pageX,V=M[0].pageY-M[1].pageY,K=Math.sqrt(T*T+V*V);m.set(0,K)}function Re(){n.enableZoom&&J(),n.enablePan&&Fe()}function be(){n.enableZoom&&J(),n.enableRotate&&ve()}function xe(T){if(M.length==1)f.set(T.pageX,T.pageY);else{let K=ie(T),re=.5*(T.pageX+K.x),le=.5*(T.pageY+K.y);f.set(re,le)}p.subVectors(f,d).multiplyScalar(n.rotateSpeed);let V=n.domElement;I(2*Math.PI*p.x/V.clientHeight),L(2*Math.PI*p.y/V.clientHeight),d.copy(f)}function we(T){if(M.length===1)x.set(T.pageX,T.pageY);else{let V=ie(T),K=.5*(T.pageX+V.x),re=.5*(T.pageY+V.y);x.set(K,re)}g.subVectors(x,v).multiplyScalar(n.panSpeed),O(g.x,g.y),v.copy(x)}function Be(T){let V=ie(T),K=T.pageX-V.x,re=T.pageY-V.y,le=Math.sqrt(K*K+re*re);w.set(0,le),y.set(0,Math.pow(w.y/m.y,n.zoomSpeed)),F(y.y),m.copy(w)}function W(T){n.enableZoom&&Be(T),n.enablePan&&we(T)}function $(T){n.enableZoom&&Be(T),n.enableRotate&&xe(T)}function te(T){n.enabled!==!1&&(M.length===0&&(n.domElement.setPointerCapture(T.pointerId),n.domElement.addEventListener("pointermove",he),n.domElement.addEventListener("pointerup",ae)),ye(T),T.pointerType==="touch"?_(T):_e(T))}function he(T){n.enabled!==!1&&(T.pointerType==="touch"?q(T):Pe(T))}function ae(T){me(T),M.length===0&&(n.domElement.releasePointerCapture(T.pointerId),n.domElement.removeEventListener("pointermove",he),n.domElement.removeEventListener("pointerup",ae)),n.dispatchEvent(Cp),r=i.NONE}function Ee(T){me(T)}function _e(T){let V;switch(T.button){case 0:V=n.mouseButtons.LEFT;break;case 1:V=n.mouseButtons.MIDDLE;break;case 2:V=n.mouseButtons.RIGHT;break;default:V=-1}switch(V){case Jt.DOLLY:if(n.enableZoom===!1)return;G(T),r=i.DOLLY;break;case Jt.ROTATE:if(T.ctrlKey||T.metaKey||T.shiftKey){if(n.enablePan===!1)return;ne(T),r=i.PAN}else{if(n.enableRotate===!1)return;N(T),r=i.ROTATE}break;case Jt.PAN:if(T.ctrlKey||T.metaKey||T.shiftKey){if(n.enableRotate===!1)return;N(T),r=i.ROTATE}else{if(n.enablePan===!1)return;ne(T),r=i.PAN}break;default:r=i.NONE}r!==i.NONE&&n.dispatchEvent(uu)}function Pe(T){if(n.enabled!==!1)switch(r){case i.ROTATE:if(n.enableRotate===!1)return;fe(T);break;case i.DOLLY:if(n.enableZoom===!1)return;j(T);break;case i.PAN:if(n.enablePan===!1)return;Y(T);break}}function Qe(T){n.enabled===!1||n.enableZoom===!1||r!==i.NONE||(T.preventDefault(),n.dispatchEvent(uu),ue(T),n.dispatchEvent(Cp))}function C(T){n.enabled===!1||n.enablePan===!1||oe(T)}function _(T){switch(D(T),M.length){case 1:switch(n.touches.ONE){case ln.ROTATE:if(n.enableRotate===!1)return;ve(),r=i.TOUCH_ROTATE;break;case ln.PAN:if(n.enablePan===!1)return;Fe(),r=i.TOUCH_PAN;break;default:r=i.NONE}break;case 2:switch(n.touches.TWO){case ln.DOLLY_PAN:if(n.enableZoom===!1&&n.enablePan===!1)return;Re(),r=i.TOUCH_DOLLY_PAN;break;case ln.DOLLY_ROTATE:if(n.enableZoom===!1&&n.enableRotate===!1)return;be(),r=i.TOUCH_DOLLY_ROTATE;break;default:r=i.NONE}break;default:r=i.NONE}r!==i.NONE&&n.dispatchEvent(uu)}function q(T){switch(D(T),r){case i.TOUCH_ROTATE:if(n.enableRotate===!1)return;xe(T),n.update();break;case i.TOUCH_PAN:if(n.enablePan===!1)return;we(T),n.update();break;case i.TOUCH_DOLLY_PAN:if(n.enableZoom===!1&&n.enablePan===!1)return;W(T),n.update();break;case i.TOUCH_DOLLY_ROTATE:if(n.enableZoom===!1&&n.enableRotate===!1)return;$(T),n.update();break;default:r=i.NONE}}function Q(T){n.enabled!==!1&&T.preventDefault()}function ye(T){M.push(T)}function me(T){delete S[T.pointerId];for(let V=0;V<M.length;V++)if(M[V].pointerId==T.pointerId){M.splice(V,1);return}}function D(T){let V=S[T.pointerId];V===void 0&&(V=new U,S[T.pointerId]=V),V.set(T.pageX,T.pageY)}function ie(T){let V=T.pointerId===M[0].pointerId?M[1]:M[0];return S[V.pointerId]}n.domElement.addEventListener("contextmenu",Q),n.domElement.addEventListener("pointerdown",te),n.domElement.addEventListener("pointercancel",Ee),n.domElement.addEventListener("wheel",Qe,{passive:!1}),this.update()}};var En=1;function Rp(s){En=s}function du(){return En}function vn(s){return[s[0]*En,s[1]*En,s[2]*En]}function fu(s,e,t){return[s*En,e*En,t*En]}function pu(s){return s.multiplyScalar(En)}function xn(s){return En*s}var Xo=class{constructor(e){this.context=e,this.followMesh=void 0;let t=this.context.container.width,n=this.context.container.height,i=new st(50,t/n,xn(1e-5),xn(2e3));this.camera=i;let r=this.context.simulation.getRenderer(),a=new hu(this.camera,r.domElement);a.enableDamping=!0,a.dampingFactor=.05,a.enablePan=!0,a.zoomSpeed=1.5,a.panSpeed=2,a.rotateSpeed=2,a.mouseButtons={LEFT:Jt.ROTATE,MIDDLE:Jt.DOLLY,RIGHT:Jt.PAN},a.touches={ONE:ln.ROTATE,TWO:ln.DOLLY_ROTATE},this.cameraControls=a}followObject(e,t){let n=e.get3jsObjects()[0];this.cameraControls.enablePan=!1;let i=vn(t);this.camera.position.add(new A(i[0],i[1],i[2])),this.cameraControls.update(),this.followMesh=n}stopFollowingObject(){this.followMesh&&(this.followMesh.remove(this.camera),this.followMesh=void 0,this.cameraControls.enablePan=!0)}isFollowingObject(){return!!this.followMesh}get3jsCamera(){return this.camera}get3jsCameraControls(){return this.cameraControls}update(){if(this.isFollowingObject()){let e=this.followMesh.position.clone(),t=e.clone().sub(this.cameraControls.target);this.camera.position.add(t),this.cameraControls.target.set(e.x,e.y,e.z)}this.cameraControls.update(),this.camera.updateMatrixWorld()}};var tt=class{static rad(e){return e*Math.PI/180}static deg(e){return e*180/Math.PI}static hoursToDeg(e){return e*15}static sexagesimalToDecimalRa(e,t,n){return e*15+t/4+n/240}static sexagesimalToDecimalDec(e,t,n,i=!1){let r=i?-1:1;return e+t/60+r*n/3600}static valToSexagesimalRa(e){let t=Math.trunc(e/15),n=Math.trunc((e-t*15)*4),i=(e-t*15-n/4)*240;return[t,n,i]}static decimalToSexagesimalDec(e,t=!1){let n=t?-1:1,i=Math.trunc(e),r=Math.trunc((e-n*i)*60*n),a=(e-n*i-n*r/60)*3600*n;return[i,r,a]}static kmToAu(e){return e/1495978707e-1}static auToKm(e){return e*1495978707e-1}};var mu=2451545,cs=class{static sphericalToCartesian(e,t,n){return[n*Math.cos(e)*Math.cos(t),n*Math.sin(e)*Math.cos(t),n*Math.sin(t)]}static equatorialToEcliptic_Cartesian(e,t,n,i){return[e,Math.cos(i)*t+Math.sin(i)*n,-Math.sin(i)*t+Math.cos(i)*n]}static eclipticToEquatorial_Cartesian(e,t,n,i){return[e,Math.cos(i)*t+-Math.sin(i)*n,Math.sin(i)*t+Math.cos(i)*n]}static getNutationAndObliquity(e=mu){let t=(e-mu)/36525,n=tt.rad(125.04452-1934.136261*t+.0020708*t*t+(t*t+t)/45e4),i=tt.rad(280.4665+36000.7698*t),r=tt.rad(218.3165+481267.8813*t),a=-17.2/3600*Math.sin(n)- -1.32/3600*Math.sin(2*i)-.23/3600*Math.sin(2*r)+tt.deg(.21/3600*Math.sin(2*n)),o=23+26/60+21.448/3600-46.815/3600*t-59e-5/3600*t*t+.001813/3600*t*t*t,l=9.2/3600*Math.cos(n)+.57/3600*Math.cos(2*i)+.1/3600*Math.cos(2*r)-.09/3600*Math.cos(2*n),c=o+l;return{nutation:tt.rad(a),obliquity:tt.rad(c)}}static getObliquity(e=mu){return this.getNutationAndObliquity(e).obliquity}};var wb=149597870700,bb=86400,Ab=new Set(["a","e","i","q","epoch","period","tp","ma","n","L","om","w","wBar","GM"]),Mb=new Set(["i","ma","n","L","om","w","wBar"]),us={SUN:13271244004193939e4,MERCURY:2203178000000002e-2,VENUS:32485859200000006e-2,EARTH_MOON:4035032355022598e-1,MARS:4282837521400002e-2,JUPITER:126712764800000210,SATURN:379405852e8,URANUS:5794548600000008,NEPTUNE:6836527100580024,PLUTO_CHARON:9770000000000007e-4};function nt(s){return typeof s!="undefined"&&Number.isFinite(s)}var Ct=class{constructor(e,t="rad",n=!1){this.attrs={},this.locked=!1;for(let i in e)if(e.hasOwnProperty(i)){let r=Mb.has(i)?t:null;this.set(i,e[i],r)}typeof this.attrs.GM=="undefined"&&(this.attrs.GM=us.SUN),this.fill(),this.get("e")>.9&&typeof this.getUnsafe("tp")=="undefined"&&console.warn('You must specify "tp" (time of perihelion) for highly eccentric orbits'),this.locked=n}set(e,t,n="rad"){if(this.locked)throw new Error("Attempted to modify locked (immutable) Ephem object");return Ab.has(e)?(n==="deg"?this.attrs[e]=t*Math.PI/180:this.attrs[e]=t,!0):(console.warn(`Invalid ephem attr: ${e}`),!1)}getUnsafe(e,t="rad"){if(t==="deg"){let n=this.attrs[e];return typeof n=="undefined"?void 0:n*180/Math.PI}return this.attrs[e]}get(e,t="rad"){let n=this.getUnsafe(e,t);if(typeof n=="undefined")throw console.info(this.attrs),new Error(`Attempted to get ephemeris value '${e}' but it was undefined`);return n}fill(){let e=this.getUnsafe("e");if(!nt(e))throw console.info(this.attrs),new Error('Must define eccentricity "e" in an orbit');let t=this.getUnsafe("a"),n=this.getUnsafe("q");if(nt(t)){if(!nt(n)){if(e>=1)throw new Error('Must provide perihelion distance "q" if eccentricity "e" is greater than 1');n=t*(1-e),this.set("q",n)}}else if(nt(n))t=n/(1-e),this.set("a",t);else throw new Error('Must define semimajor axis "a" or perihelion distance "q" in an orbit');let i=this.getUnsafe("w"),r=this.getUnsafe("wBar"),a=this.getUnsafe("om");nt(i)&&nt(a)&&!nt(r)?(r=i+a,this.set("wBar",r)):nt(r)&&nt(a)&&!nt(i)?(i=r-a,this.set("w",i)):nt(i)&&nt(r)&&!nt(a)&&(a=r-i,this.set("om",a));let o=t*wb,l=this.getUnsafe("n"),c=this.getUnsafe("GM"),u=this.getUnsafe("period");if(!nt(u)&&nt(t)){if(!nt(c))throw new Error("Expected ephemeris attribute GM to be set");u=2*Math.PI*Math.sqrt(o*o*o/c)/bb,this.set("period",u)}if(e<1)if(nt(u)&&!nt(l)){let f=2*Math.PI/u;this.set("n",f)}else nt(l)&&!nt(u)&&this.set("period",2*Math.PI/l);let h=this.getUnsafe("ma"),d=this.getUnsafe("L");!nt(d)&&nt(a)&&nt(i)&&nt(h)&&(d=a+i+h,this.set("L",d)),nt(h)||this.set("ma",d-r)}lock(){this.locked=!0}copy(){return new Ct({GM:this.getUnsafe("GM"),epoch:this.getUnsafe("epoch"),a:this.getUnsafe("a"),e:this.getUnsafe("e"),i:this.getUnsafe("i"),om:this.getUnsafe("om"),ma:this.getUnsafe("ma"),w:this.getUnsafe("w")},"rad")}};function Qo(s,e,t,n,i,r){if(s===void 0)throw"data object is undefined";if(!Array.isArray(s))throw"data object must be an array";if(t>=n)throw"first row must be greater than last row";if(t<0)throw"first row must be greater than zero";if(n>s.length-1)throw"last row must be ";if(!Array.isArray(s[t]))throw"data in rows must be array data";let a=s[0].length-1;if(i<0||i>a)throw`xIndex has to be between 0 and ${a}: ${i}`;if(r<0||r>a)throw`yIndex has to be between 0 and ${a}: ${r}`;let o=0;for(let l=t;l<=n;l++){let c=1;for(let u=t;u<=n;u++)u!==l&&(c*=(e-s[u][i])/(s[l][i]-s[u][i]));o+=c*s[l][r]}return o}var Eb=(s,e)=>s-e,_b="{{assets}}/sprites/fuzzyparticle.png";function ha(s,e){return s.replace("{{assets}}",`${e}/assets`).replace("{{data}}",`${e}/data`)}function da(s,e){return ha(s||_b,e)}function Pp(s,e){let t=da(s,e);return new tn().load(t)}function Dp(){return window.location.href.indexOf("localhost")>-1?"/src/":"https://typpo.github.io/spacekit/src"}function Lp(s,e,t=Eb){if(s===void 0)throw"data object is undefined";if(!Array.isArray(s))throw"data object must be an array";if(e===void 0)throw"value object must be defined";if(t===void 0)throw"comparer must be defined";let n=0,i=s.length;for(;n<=i;){let r=Math.floor((n+i)/2);if(r===s.length)return r;let a=t(s[r],e);if(a<0)n=r+1;else if(a>0)i=r-1;else return r}return~n}var Ip=20,Tb=(s,e)=>s[0]-e,gu={distance:"au",time:"day"},Sb="cartesianposvel",Cb="lagrange",Rb=5,Pb=new Set(["km","au"]),Db=new Set(["cartesianposvel"]),Lb=new Set(["lagrange"]),Ib=new Set(["day","sec"]),rn=class{constructor(e){if(this.units=JSON.parse(JSON.stringify(gu)),this.ephemType=Sb,this.interpolationType=Cb,this.interpolationOrder=Rb,!e)throw new Error("EphemerisTable must be initialized with an ephemeris data structure");if(!e.data||!Array.isArray(e.data)||e.data.length===0||!Array.isArray(e.data[0]))throw new Error("EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data");if(this.data=JSON.parse(JSON.stringify(e.data)),e.distanceUnits){if(!Pb.has(e.distanceUnits))throw new Error(`Unknown distance units: ${e.distanceUnits}`);this.units.distance=e.distanceUnits}if(e.timeUnits){if(!Ib.has(e.timeUnits))throw new Error(`Unknown time units: ${e.timeUnits}`);this.units.time=e.timeUnits}if(e.ephemerisType){if(!Db.has(e.ephemerisType))throw new Error(`Unknown ephemeris type: ${e.ephemerisType}`);this.ephemType=e.ephemerisType}if(e.interpolationType){if(!Lb.has(e.interpolationType))throw new Error(`Unknown interpolation type: ${e.interpolationType}`);this.interpolationType=e.interpolationType}if(e.interpolationOrder!==void 0){if(e.interpolationOrder<1||e.interpolationOrder>Ip)throw new Error(`Interpolation order must be >0 and <${Ip}: ${e.interpolationOrder}`);this.interpolationOrder=e.interpolationOrder}if(this.units.distance!==gu.distance||this.units.time!==gu.time){let t=this.calcDistanceMultiplier(this.units.distance),n=this.calcTimeMultiplier(this.units.time);this.data.forEach(i=>{i[1]*=t,i[2]*=t,i[3]*=t,i[4]*=t*n,i[5]*=t*n,i[6]*=t*n})}}getPositionAtTime(e){if(e<=this.data[0][0])return[this.data[0][1],this.data[0][2],this.data[0][3]];let t=this.data[this.data.length-1];if(e>=t[0])return[t[1],t[2],t[3]];let{startIndex:n,stopIndex:i}=this.calcBoundingIndices(e),r=Qo(this.data,e,n,i,0,1),a=Qo(this.data,e,n,i,0,2),o=Qo(this.data,e,n,i,0,3);return[r,a,o]}getPositions(e,t,n){if(e>t)throw new Error("Requested start needs to be after requested stop");if(n<=0)throw new Error("Step days needs to be greater than zero");let i=[];for(let r=e;r<=t;r+=n)i.push(this.getPositionAtTime(r));return i}calcDistanceMultiplier(e){switch(e){case"au":return 1;case"km":return tt.kmToAu(1);default:throw new Error("Unknown distance unit type: "+e)}}calcTimeMultiplier(e){switch(e){case"day":return 1;case"sec":return 1/86400;default:throw new Error("Unknown time unit type: "+e)}}calcBoundingIndices(e){let t=Math.floor(this.interpolationOrder/2),n=Lp(this.data,e,Tb);n<0&&(n=~n-1);let i=n-t;i<0&&(i=0);let r=i+Number(this.interpolationOrder);return r>=this.data.length&&(r=this.data.length-1,this.data.length>t&&(i=r-t)),{startIndex:i,stopIndex:r}}};var sn={MERCURY:new Ct({epoch:24584265e-1,a:.3870968969437096,e:.2056515875393916,i:7.003891682749818,om:48.30774804443502,w:29.17940253442659,ma:256.190975209273},"deg",!0),VENUS:new Ct({epoch:24584265e-1,a:.7233458663591554,e:.006762510759617694,i:3.394567787211735,om:76.62534150657346,w:54.74567447560867,ma:275.6687596099721},"deg",!0),EARTH:new Ct({epoch:2451545,a:1.00000261,e:.01671123,i:-1531e-8,om:0,wBar:102.93768193,L:100.46457166},"deg",!0),MOON:new Ct({GM:398600,epoch:24586215e-1,a:.002582517063772124,e:.04582543645168888,i:5.102060246928811,om:108.5916732144811,w:61.80561793729225,ma:50.53270083636792},"deg",!0),MARS:new Ct({epoch:24584265e-1,a:1.52371401537107,e:.09336741335309606,i:1.848141099825311,om:49.50420572080223,w:286.6965847685386,ma:25.38237617924876},"deg",!0),JUPITER:new Ct({epoch:24584265e-1,a:5.20180355911023,e:.0489912558249006,i:1.303560894624275,om:100.5203828847816,w:273.736301845404,ma:231.939544389401},"deg",!0),SATURN:new Ct({epoch:24584265e-1,a:9.577177295536776,e:.05101889921719987,i:2.482782449972317,om:113.6154964073247,w:339.4422648650336,ma:187.0970898012944},"deg",!0),URANUS:new Ct({epoch:24584265e-1,a:19.14496966635462,e:.04832662948112808,i:.7697511134483724,om:74.14239045667875,w:99.42704504702185,ma:220.2603033874267},"deg",!0),NEPTUNE:new Ct({epoch:24584265e-1,a:30.0962226342805,e:.00736257118719377,i:1.774569249829094,om:131.8695882492132,w:258.6226409499831,ma:315.2804988924479},"deg",!0),PLUTO:new Ct({epoch:24540005e-1,a:39.4450697257,e:.250248713478,i:17.0890009196,om:110.376957955,w:112.597141677,ma:25.2471897122},"deg",!0)},qo=class{constructor(e){this._simulation=e,this._context=e.getContext(),this._satellitesByPlanet={};let t=ha("{{data}}/processed/natural-satellites.json",this._context.options.basePath);this._readyPromise=new Promise((n,i)=>{fetch(t).then(r=>r.json()).then(r=>{r.forEach(a=>{let o=a.Planet.toLowerCase();this._satellitesByPlanet[o]||(this._satellitesByPlanet[o]=[]);let l;switch(a["Element Type"]){case"Ecliptic":break;case"Equatorial":l="equatorial";break;case"Laplace":l="equatorial";break;default:console.warn(`Ephemeris type not yet implemented: ${l}`);return}let c;switch(a.Planet){case"Earth":c=us.EARTH_MOON;break;case"Pluto":c=us.PLUTO_CHARON;break;default:c=us[a.Planet.toUpperCase()]}c||console.error(`Could not look up GM for ${a.Planet}`);let u=new Ct({GM:c,epoch:Number(a["Epoch JD"]),a:tt.kmToAu(Number(a.a)),e:Number(a.e),i:Number(a.i),w:Number(a.w),om:Number(a.node),ma:Number(a.M)},"deg",!0);this._satellitesByPlanet[o].push({name:a["Sat."],elementType:a["Element Type"],tags:new Set(a.tags.split(",")),ephem:u})}),console.info("Loaded",r.length,"natural satellites"),n(this)}).catch(r=>{i(r)})})}getSatellitesForPlanet(e){return this._satellitesByPlanet[e.toLowerCase()]}load(){return this._readyPromise}};var Np=Uu(vu());var Mt;(function(r){r[r.UNKNOWN=0]="UNKNOWN",r[r.PARABOLIC=1]="PARABOLIC",r[r.HYPERBOLIC=2]="HYPERBOLIC",r[r.ELLIPTICAL=3]="ELLIPTICAL",r[r.TABLE=4]="TABLE"})(Mt||(Mt={}));var{sin:rr,cos:Gn,sqrt:vi}=Math,Zo=10,Hp=360,Nb={leadDurationYears:Zo,trailDurationYears:Zo,numberSamplePoints:Hp};function Jo(s){return Math.exp(Math.log(s)/3)}var kn=class{constructor(e,t){var n,i,r;this.ephem=e,this.options=t||{},this.options.orbitPathSettings||(this.options.orbitPathSettings=JSON.parse(JSON.stringify(Nb))),((n=this.options.orbitPathSettings)==null?void 0:n.leadDurationYears)||(this.options.orbitPathSettings.leadDurationYears=Zo),((i=this.options.orbitPathSettings)==null?void 0:i.trailDurationYears)||(this.options.orbitPathSettings.trailDurationYears=Zo),((r=this.options.orbitPathSettings)==null?void 0:r.numberSamplePoints)||(this.options.orbitPathSettings.numberSamplePoints=Hp),this.orbitPoints=void 0,this.eclipticDropLines=void 0,this.orbitShape=void 0,this.orbitStart=0,this.orbitStop=0,this.orbitType=kn.getOrbitType(this.ephem)}getPositionAtTime(e,t=!1){switch(this.orbitType){case 1:return this.getPositionAtTimeNearParabolic(e,t);case 2:return this.getPositionAtTimeHyperbolic(e,t);case 3:return this.getPositionAtTimeElliptical(e,t);case 4:return this.getPositionAtTimeTable(e,t);default:throw new Error("No handler for this type of orbit")}}getPositionAtTimeParabolic(e,t=!1){let n=this.ephem;if(n instanceof rn)throw new Error("Attempted to compute coordinates from ephemeris table");let i=.01720209895,r=n.get("q"),o=(e-n.get("tp"))*(i/vi(2))/vi(r*r*r),l=1.5*o,c=vi(1+l*l),u=Jo(c+l)-Jo(c-l),h=2*Math.atan(u),d=r*(1+u*u);return this.vectorToHeliocentric(h,d)}getPositionAtTimeNearParabolic(e,t=!1){let n=this.ephem;if(n instanceof rn)throw new Error("Attempted to compute coordinates from ephemeris table");let i=.01720209895,r=n.get("e"),a=n.get("q"),o=e-n.get("tp"),l=.75*o*i*vi((1+r)/(a*a*a)),c=vi(1+l*l),u=Jo(c+l)-Jo(c-l),h=(1-r)/(1+r),d=2/3+2/5*u*u,f=7/5+33/35*u*u+37/175*Yn(u,4),p=u*u*(432/175+956/1125*u*u+84/1575*Yn(u,4)),v=u*u/(1+u*u),x=h*v*v,g=u*(1+h*v*(d+f*x+p*x*x)),m=2*Math.atan(g),w=a*(1+g*g)/(1+g*g*h);return this.vectorToHeliocentric(m,w)}getPositionAtTimeHyperbolic(e,t=!1){let n=this.ephem;if(n instanceof rn)throw new Error("Attempted to compute coordinates from ephemeris table");let i=n.get("e"),r=n.get("a"),a=n.get("ma"),o=n.get("n","rad"),l=n.get("epoch"),c=e-l,u=a+o*c,h=u;for(let v=0;v<100;v++){let x=(u+i*(h*Math.cosh(h)-Math.sinh(h)))/(i*Math.cosh(h)-1),g=Math.abs(x-h);if(h=x,g<1e-7)break}let d=h,f=2*Math.atan(vi((i+1)/(i-1)))*Math.tanh(d/2),p=r*(1-i*i)/(1+i*Gn(f));return this.vectorToHeliocentric(f,p)}getPositionAtTimeElliptical(e,t=!1){let n=this.ephem;if(n instanceof rn)throw new Error("Attempted to compute coordinates from ephemeris table");let i=n.get("e"),r=n.get("ma","rad"),a=n.get("n","rad"),o=n.get("epoch"),l=e-o,c=r+a*l;t&&(console.info("period=",n.get("period")),console.info("n=",a),console.info("ma=",r),console.info("d=",l),console.info("M=",c));let u=c;for(let v=0;v<100;v++){let x=c+i*rr(u),g=Math.abs(x-u);if(u=x,g<1e-7)break}let h=u,d=2*Math.atan(vi((1+i)/(1-i))*Math.tan(h/2)),p=n.get("a")*(1-i*i)/(1+i*Gn(d));return this.vectorToHeliocentric(d,p)}getPositionAtTimeTable(e,t=!1){if(this.ephem instanceof rn){let n=this.ephem.getPositionAtTime(e);return fu(n[0],n[1],n[2])}throw new Error("Attempted to read ephemeris table of non-table data")}vectorToHeliocentric(e,t){let n=this.ephem;if(n instanceof rn)throw new Error("Attempted to compute coordinates from ephemeris table");let i=n.get("i","rad"),r=n.get("om","rad"),a=n.get("wBar","rad"),o=t*(Gn(r)*Gn(e+a-r)-rr(r)*rr(e+a-r)*Gn(i)),l=t*(rr(r)*Gn(e+a-r)+Gn(r)*rr(e+a-r)*Gn(i)),c=t*(rr(e+a-r)*rr(i));return fu(o,l,c)}needsUpdateForTime(e){return this.orbitType===4?e<this.orbitStart||e>this.orbitStop:!1}getOrbitShape(e,t=!1){if(t&&(this.orbitShape&&(this.orbitShape.geometry.dispose(),this.orbitShape.material.dispose()),this.orbitShape=void 0,this.orbitPoints=void 0,this.eclipticDropLines&&(this.eclipticDropLines.geometry.dispose(),this.eclipticDropLines.material.dispose()),this.eclipticDropLines=void 0),this.orbitShape)return this.orbitShape;if(this.orbitType===3)return this.getEllipse();let n;this.ephem instanceof rn?n=e:n=this.ephem.getUnsafe("tp");let i=n||Np.default.toJulianDay(new Date),r=i-this.options.orbitPathSettings.trailDurationYears*365.25,a=i+this.options.orbitPathSettings.leadDurationYears*365.25,o=(a-r)/this.options.orbitPathSettings.numberSamplePoints;switch(this.orbitStart=r,this.orbitStop=a,this.orbitType){case 2:return this.getLine(this.getPositionAtTimeHyperbolic.bind(this),r,a,o);case 1:return this.getLine(this.getPositionAtTimeNearParabolic.bind(this),r,a,o);case 4:return this.getTableOrbit(r,a,o);default:throw new Error("Unknown orbit shape")}}getLine(e,t,n,i){let r=[];for(let a=t;a<=n;a+=i){let o=e(a);r.push(new A(o[0],o[1],o[2]))}return this.generateAndCacheOrbitShape(r)}getTableOrbit(e,t,n){if(this.ephem instanceof Ct)throw new Error("Attempted to compute table orbit on non-table ephemeris");let r=this.ephem.getPositions(e,t,n).map(a=>vn(a)).map(a=>new A(a[0],a[1],a[2]));return this.generateAndCacheOrbitShape(r)}getEllipse(){let e=this.getEllipsePoints();return this.generateAndCacheOrbitShape(e)}getEllipsePoints(){let e=this.ephem;if(e instanceof rn)throw new Error("Attempted to compute coordinates from ephemeris table");let t=e.get("a"),n=e.get("e"),i=Math.PI*2,r=i/90,a=[];for(let o=0;o<i;o+=r){let l=2*Math.atan(vi((1+n)/(1-n))*Math.tan(o/2)),c=t*(1-n*n)/(1+n*Gn(l)),u=this.vectorToHeliocentric(l,c);(isNaN(u[0])||isNaN(u[1])||isNaN(u[2]))&&(console.error("NaN position value - you may have bad or incomplete data in the following ephemeris:"),console.error(e)),a.push(new A(u[0],u[1],u[2]))}return a.push(a[0]),a}generateAndCacheOrbitShape(e){return this.orbitPoints=e,this.orbitShape=new Vt(new de().setFromPoints(e),new Ze({color:new ee(this.options.color||4473924)})),this.orbitShape}getLinesToEcliptic(){if(this.eclipticDropLines)return this.eclipticDropLines;this.orbitPoints||this.getOrbitShape();let e=this.orbitPoints||[],t=[];e.forEach((i,r)=>{r===e.length-1&&this.orbitType===3||(t.push(i),t.push(new A(i.x,i.y,0)))});let n=new 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 #include <dithering_pars_fragment>
 #ifdef FRAMEBUFFER_PRECISION_HIGH
 uniform mediump sampler2D inputBuffer;
@@ -3110,14 +3137,14 @@ uniform lowp sampler2D inputBuffer;
 #endif
 varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25;
 #include <dithering_fragment>
-}`,Ob="uniform vec2 texelSize;uniform vec2 halfTexelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize*vec2(kernel)+halfTexelSize)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}",Vp=class extends Qe{constructor(s=new z){super({type:"ConvolutionMaterial",uniforms:{inputBuffer:new He(null),texelSize:new He(new z),halfTexelSize:new He(new z),kernel:new He(0),scale:new He(1)},fragmentShader:Fb,vertexShader:Ob,blending:Pt,depthWrite:!1,depthTest:!1});this.toneMapped=!1,this.setTexelSize(s.x,s.y),this.kernelSize=Mu.LARGE}getKernel(){return Ub[this.kernelSize]}setTexelSize(s,e){this.uniforms.texelSize.value.set(s,e),this.uniforms.halfTexelSize.value.set(s,e).multiplyScalar(.5)}},Ub=[new Float32Array([0,0]),new Float32Array([0,1,1]),new Float32Array([0,1,1,2]),new Float32Array([0,1,2,2,3]),new Float32Array([0,1,2,3,4,4,5]),new Float32Array([0,1,2,3,4,5,7,8,9,10])],Mu={VERY_SMALL:0,SMALL:1,MEDIUM:2,LARGE:3,VERY_LARGE:4,HUGE:5},Nb=`#ifdef FRAMEBUFFER_PRECISION_HIGH
+}`,zb="uniform vec2 texelSize;uniform vec2 halfTexelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize*vec2(kernel)+halfTexelSize)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}",kp=class extends qe{constructor(s=new U){super({type:"ConvolutionMaterial",uniforms:{inputBuffer:new Oe(null),texelSize:new Oe(new U),halfTexelSize:new Oe(new U),kernel:new Oe(0),scale:new Oe(1)},fragmentShader:Hb,vertexShader:zb,blending:Rt,depthWrite:!1,depthTest:!1});this.toneMapped=!1,this.setTexelSize(s.x,s.y),this.kernelSize=xu.LARGE}getKernel(){return Gb[this.kernelSize]}setTexelSize(s,e){this.uniforms.texelSize.value.set(s,e),this.uniforms.halfTexelSize.value.set(s,e).multiplyScalar(.5)}},Gb=[new Float32Array([0,0]),new Float32Array([0,1,1]),new Float32Array([0,1,1,2]),new Float32Array([0,1,2,2,3]),new Float32Array([0,1,2,3,4,4,5]),new Float32Array([0,1,2,3,4,5,7,8,9,10])],xu={VERY_SMALL:0,SMALL:1,MEDIUM:2,LARGE:3,VERY_LARGE:4,HUGE:5},kb=`#ifdef FRAMEBUFFER_PRECISION_HIGH
 uniform mediump sampler2D inputBuffer;
 #else
 uniform lowp sampler2D inputBuffer;
 #endif
 uniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel;
 #include <encodings_fragment>
-}`,Hb=class extends Qe{constructor(){super({type:"CopyMaterial",uniforms:{inputBuffer:new He(null),opacity:new He(1)},fragmentShader:Nb,vertexShader:kp,blending:Pt,depthWrite:!1,depthTest:!1});this.toneMapped=!1}};var zb=`#include <common>
+}`,Vb=class extends qe{constructor(){super({type:"CopyMaterial",uniforms:{inputBuffer:new Oe(null),opacity:new Oe(1)},fragmentShader:kb,vertexShader:Gp,blending:Rt,depthWrite:!1,depthTest:!1});this.toneMapped=!1}};var Wb=`#include <common>
 #include <packing>
 #include <dithering_pars_fragment>
 #ifdef FRAMEBUFFER_PRECISION_HIGH
@@ -3147,7 +3174,7 @@ return orthographicDepthToViewZ(depth,cameraNear,cameraFar);
 #include <encodings_fragment>
 #endif
 #include <dithering_fragment>
-}`,Gb="uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}",kb=class extends Qe{constructor(s=null,e=null,t=null,n,i=!1){super({type:"EffectMaterial",defines:{DEPTH_PACKING:"0",ENCODE_OUTPUT:"1"},uniforms:{inputBuffer:new He(null),depthBuffer:new He(null),resolution:new He(new z),texelSize:new He(new z),cameraNear:new He(.3),cameraFar:new He(1e3),aspect:new He(1),time:new He(0)},blending:Pt,depthWrite:!1,depthTest:!1,dithering:i});this.toneMapped=!1,s!==null&&this.setShaderParts(s),e!==null&&this.setDefines(e),t!==null&&this.setUniforms(t),this.adoptCameraSettings(n)}get depthPacking(){return Number(this.defines.DEPTH_PACKING)}set depthPacking(s){this.defines.DEPTH_PACKING=s.toFixed(0),this.needsUpdate=!0}setShaderParts(s){return this.fragmentShader=zb.replace(Ve.FRAGMENT_HEAD,s.get(Ve.FRAGMENT_HEAD)).replace(Ve.FRAGMENT_MAIN_UV,s.get(Ve.FRAGMENT_MAIN_UV)).replace(Ve.FRAGMENT_MAIN_IMAGE,s.get(Ve.FRAGMENT_MAIN_IMAGE)),this.vertexShader=Gb.replace(Ve.VERTEX_HEAD,s.get(Ve.VERTEX_HEAD)).replace(Ve.VERTEX_MAIN_SUPPORT,s.get(Ve.VERTEX_MAIN_SUPPORT)),this.needsUpdate=!0,this}setDefines(s){for(let e of s.entries())this.defines[e[0]]=e[1];return this.needsUpdate=!0,this}setUniforms(s){for(let e of s.entries())this.uniforms[e[0]]=e[1];return this}adoptCameraSettings(s=null){s!==null&&(this.uniforms.cameraNear.value=s.near,this.uniforms.cameraFar.value=s.far,s instanceof nt?this.defines.PERSPECTIVE_CAMERA="1":delete this.defines.PERSPECTIVE_CAMERA,this.needsUpdate=!0)}setSize(s,e){let t=Math.max(s,1),n=Math.max(e,1);this.uniforms.resolution.value.set(t,n),this.uniforms.texelSize.value.set(1/t,1/n),this.uniforms.aspect.value=t/n}},Ve={FRAGMENT_HEAD:"FRAGMENT_HEAD",FRAGMENT_MAIN_UV:"FRAGMENT_MAIN_UV",FRAGMENT_MAIN_IMAGE:"FRAGMENT_MAIN_IMAGE",VERTEX_HEAD:"VERTEX_HEAD",VERTEX_MAIN_SUPPORT:"VERTEX_MAIN_SUPPORT"};var Vb=`#include <common>
+}`,jb="uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}",Yb=class extends qe{constructor(s=null,e=null,t=null,n,i=!1){super({type:"EffectMaterial",defines:{DEPTH_PACKING:"0",ENCODE_OUTPUT:"1"},uniforms:{inputBuffer:new Oe(null),depthBuffer:new Oe(null),resolution:new Oe(new U),texelSize:new Oe(new U),cameraNear:new Oe(.3),cameraFar:new Oe(1e3),aspect:new Oe(1),time:new Oe(0)},blending:Rt,depthWrite:!1,depthTest:!1,dithering:i});this.toneMapped=!1,s!==null&&this.setShaderParts(s),e!==null&&this.setDefines(e),t!==null&&this.setUniforms(t),this.adoptCameraSettings(n)}get depthPacking(){return Number(this.defines.DEPTH_PACKING)}set depthPacking(s){this.defines.DEPTH_PACKING=s.toFixed(0),this.needsUpdate=!0}setShaderParts(s){return this.fragmentShader=Wb.replace(Ve.FRAGMENT_HEAD,s.get(Ve.FRAGMENT_HEAD)).replace(Ve.FRAGMENT_MAIN_UV,s.get(Ve.FRAGMENT_MAIN_UV)).replace(Ve.FRAGMENT_MAIN_IMAGE,s.get(Ve.FRAGMENT_MAIN_IMAGE)),this.vertexShader=jb.replace(Ve.VERTEX_HEAD,s.get(Ve.VERTEX_HEAD)).replace(Ve.VERTEX_MAIN_SUPPORT,s.get(Ve.VERTEX_MAIN_SUPPORT)),this.needsUpdate=!0,this}setDefines(s){for(let e of s.entries())this.defines[e[0]]=e[1];return this.needsUpdate=!0,this}setUniforms(s){for(let e of s.entries())this.uniforms[e[0]]=e[1];return this}adoptCameraSettings(s=null){s!==null&&(this.uniforms.cameraNear.value=s.near,this.uniforms.cameraFar.value=s.far,s instanceof st?this.defines.PERSPECTIVE_CAMERA="1":delete this.defines.PERSPECTIVE_CAMERA,this.needsUpdate=!0)}setSize(s,e){let t=Math.max(s,1),n=Math.max(e,1);this.uniforms.resolution.value.set(t,n),this.uniforms.texelSize.value.set(1/t,1/n),this.uniforms.aspect.value=t/n}},Ve={FRAGMENT_HEAD:"FRAGMENT_HEAD",FRAGMENT_MAIN_UV:"FRAGMENT_MAIN_UV",FRAGMENT_MAIN_IMAGE:"FRAGMENT_MAIN_IMAGE",VERTEX_HEAD:"VERTEX_HEAD",VERTEX_MAIN_SUPPORT:"VERTEX_MAIN_SUPPORT"};var Xb=`#include <common>
 #ifdef FRAMEBUFFER_PRECISION_HIGH
 uniform mediump sampler2D inputBuffer;
 #else
@@ -3169,33 +3196,33 @@ gl_FragColor=vec4(texel.rgb*l,l);
 #else
 gl_FragColor=vec4(l);
 #endif
-}`,Wb=class extends Qe{constructor(s=!1,e=null){let t=e!==null;super({type:"LuminanceMaterial",uniforms:{inputBuffer:new He(null),threshold:new He(0),smoothing:new He(1),range:new He(t?e:new z)},fragmentShader:Vb,vertexShader:kp,blending:Pt,depthWrite:!1,depthTest:!1});this.toneMapped=!1,this.colorOutput=s,this.useThreshold=!0,this.useRange=t}get threshold(){return this.uniforms.threshold.value}set threshold(s){this.uniforms.threshold.value=s}get smoothing(){return this.uniforms.smoothing.value}set smoothing(s){this.uniforms.smoothing.value=s}get useThreshold(){return this.defines.THRESHOLD!==void 0}set useThreshold(s){s?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.needsUpdate=!0}get colorOutput(){return this.defines.COLOR!==void 0}set colorOutput(s){s?this.defines.COLOR="1":delete this.defines.COLOR,this.needsUpdate=!0}setColorOutputEnabled(s){this.colorOutput=s}get useRange(){return this.defines.RANGE!==void 0}set useRange(s){s?this.defines.RANGE="1":delete this.defines.RANGE,this.needsUpdate=!0}get luminanceRange(){return this.useRange}set luminanceRange(s){this.useRange=s}setLuminanceRangeEnabled(s){this.useRange=s}};var Yb=new li,wi=null;function jb(){if(wi===null){let s=new Float32Array([-1,-1,0,3,-1,0,-1,3,0]),e=new Float32Array([0,0,2,0,0,2]);wi=new le,wi.setAttribute!==void 0?(wi.setAttribute("position",new de(s,3)),wi.setAttribute("uv",new de(e,2))):(wi.addAttribute("position",new de(s,3)),wi.addAttribute("uv",new de(e,2)))}return wi}var bi=class{constructor(s="Pass",e=new kt,t=Yb){this.name=s,this.scene=e,this.camera=t,this.screen=null,this.rtt=!0,this.needsSwap=!0,this.needsDepthTexture=!1,this.enabled=!0}get renderToScreen(){return!this.rtt}set renderToScreen(s){if(this.rtt===s){let e=this.getFullscreenMaterial();e!==null&&(e.needsUpdate=!0),this.rtt=!s}}getFullscreenMaterial(){return this.screen!==null?this.screen.material:null}setFullscreenMaterial(s){let e=this.screen;e!==null?e.material=s:(e=new ze(jb(),s),e.frustumCulled=!1,this.scene===null&&(this.scene=new kt),this.scene.add(e),this.screen=e)}getDepthTexture(){return null}setDepthTexture(s,e=0){}render(s,e,t,n,i){throw new Error("Render method not implemented!")}setSize(s,e){}initialize(s,e,t){}dispose(){let s=this.getFullscreenMaterial();s!==null&&s.dispose();for(let e of Object.keys(this)){let t=this[e];if(t!==null&&typeof t.dispose=="function"){if(t instanceof kt)continue;this[e].dispose()}}}};var Yn=-1,jn=class{constructor(s,e=Yn,t=Yn,n=1){this.resizable=s,this.base=new z(1,1),this.target=new z(e,t),this.s=n}get scale(){return this.s}set scale(s){this.s=s,this.target.x=Yn,this.target.y=Yn,this.resizable.setSize(this.base.x,this.base.y)}get width(){let s=this.base,e=this.target,t;return e.x!==Yn?t=e.x:e.y!==Yn?t=Math.round(e.y*(s.x/s.y)):t=Math.round(s.x*this.s),t}set width(s){this.target.x=s,this.resizable.setSize(this.base.x,this.base.y)}get height(){let s=this.base,e=this.target,t;return e.y!==Yn?t=e.y:e.x!==Yn?t=Math.round(e.x/(s.x/s.y)):t=Math.round(s.y*this.s),t}set height(s){this.target.y=s,this.resizable.setSize(this.base.x,this.base.y)}static get AUTO_SIZE(){return Yn}},Xb=class extends bi{constructor({resolutionScale:s=.5,width:e=jn.AUTO_SIZE,height:t=jn.AUTO_SIZE,kernelSize:n=Mu.LARGE}={}){super("BlurPass");this.renderTargetA=new ut(1,1,{minFilter:ke,magFilter:ke,stencilBuffer:!1,depthBuffer:!1}),this.renderTargetA.texture.name="Blur.Target.A",this.renderTargetB=this.renderTargetA.clone(),this.renderTargetB.texture.name="Blur.Target.B",this.resolution=new jn(this,e,t,s),this.convolutionMaterial=new Vp,this.ditheredConvolutionMaterial=new Vp,this.ditheredConvolutionMaterial.dithering=!0,this.dithering=!1,this.kernelSize=n}get width(){return this.resolution.width}set width(s){this.resolution.width=s}get height(){return this.resolution.height}set height(s){this.resolution.height=s}get scale(){return this.convolutionMaterial.uniforms.scale.value}set scale(s){this.convolutionMaterial.uniforms.scale.value=s,this.ditheredConvolutionMaterial.uniforms.scale.value=s}get kernelSize(){return this.convolutionMaterial.kernelSize}set kernelSize(s){this.convolutionMaterial.kernelSize=s,this.ditheredConvolutionMaterial.kernelSize=s}getResolutionScale(){return this.resolution.scale}setResolutionScale(s){this.resolution.scale=s}render(s,e,t,n,i){let r=this.scene,a=this.camera,o=this.renderTargetA,l=this.renderTargetB,c=this.convolutionMaterial,u=c.uniforms,h=c.getKernel(),d=e,f,p,v;for(this.setFullscreenMaterial(c),p=0,v=h.length-1;p<v;++p)f=(p&1)==0?o:l,u.kernel.value=h[p],u.inputBuffer.value=d.texture,s.setRenderTarget(f),s.render(r,a),d=f;this.dithering&&(c=this.ditheredConvolutionMaterial,u=c.uniforms,this.setFullscreenMaterial(c)),u.kernel.value=h[p],u.inputBuffer.value=d.texture,s.setRenderTarget(this.renderToScreen?null:t),s.render(r,a)}setSize(s,e){let t=this.resolution;t.base.set(s,e);let n=t.width,i=t.height;this.renderTargetA.setSize(n,i),this.renderTargetB.setSize(n,i),this.convolutionMaterial.setTexelSize(1/n,1/i),this.ditheredConvolutionMaterial.setTexelSize(1/n,1/i)}initialize(s,e,t){if(!e&&t===rt&&(this.renderTargetA.texture.format=Et,this.renderTargetB.texture.format=Et),t!==void 0&&(this.renderTargetA.texture.type=t,this.renderTargetB.texture.type=t,t!==rt)){let n=this.convolutionMaterial,i=this.ditheredConvolutionMaterial;n.defines.FRAMEBUFFER_PRECISION_HIGH="1",i.defines.FRAMEBUFFER_PRECISION_HIGH="1"}}static get AUTO_SIZE(){return jn.AUTO_SIZE}},Qb=class extends bi{constructor(){super("ClearMaskPass",null,null);this.needsSwap=!1}render(s,e,t,n,i){let r=s.state.buffers.stencil;r.setLocked(!1),r.setTest(!1)}},Eu=new K,Wp=class extends bi{constructor(s=!0,e=!0,t=!1){super("ClearPass",null,null);this.needsSwap=!1,this.color=s,this.depth=e,this.stencil=t,this.overrideClearColor=null,this.overrideClearAlpha=-1}render(s,e,t,n,i){let r=this.overrideClearColor,a=this.overrideClearAlpha,o=s.getClearAlpha(),l=r!==null,c=a>=0;l?(Eu.copy(s.getClearColor(Eu)),s.setClearColor(r,c?a:o)):c&&s.setClearAlpha(a),s.setRenderTarget(this.renderToScreen?null:e),s.clear(this.color,this.depth,this.stencil),l?s.setClearColor(Eu,o):c&&s.setClearAlpha(o)}},_u=!1,Yp=class{constructor(s=null){this.originalMaterials=new Map,this.material=null,this.materials=null,this.materialsBackSide=null,this.materialsDoubleSide=null,this.materialsFlatShaded=null,this.materialsFlatShadedBackSide=null,this.materialsFlatShadedDoubleSide=null,this.setMaterial(s),this.meshCount=0,this.replaceMaterial=e=>{if(e.isMesh){let t;if(e.material.flatShading)switch(e.material.side){case Nt:t=this.materialsFlatShadedDoubleSide;break;case Ye:t=this.materialsFlatShadedBackSide;break;default:t=this.materialsFlatShaded;break}else switch(e.material.side){case Nt:t=this.materialsDoubleSide;break;case Ye:t=this.materialsBackSide;break;default:t=this.materials;break}this.originalMaterials.set(e,e.material),e.isSkinnedMesh?e.material=t[2]:e.isInstancedMesh?e.material=t[1]:e.material=t[0],++this.meshCount}}}setMaterial(s){if(this.disposeMaterials(),this.material=s,s!==null){let e=this.materials=[s.clone(),s.clone(),s.clone()];for(let t of e)t.uniforms=Object.assign({},s.uniforms),t.side=Rn;e[2].skinning=!0,this.materialsBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.side=Ye,n}),this.materialsDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.side=Nt,n}),this.materialsFlatShaded=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.flatShading=!0,n}),this.materialsFlatShadedBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.flatShading=!0,n.side=Ye,n}),this.materialsFlatShadedDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.flatShading=!0,n.side=Nt,n})}}render(s,e,t){let n=s.shadowMap.enabled;if(s.shadowMap.enabled=!1,_u){let i=this.originalMaterials;this.meshCount=0,e.traverse(this.replaceMaterial),s.render(e,t);for(let r of i)r[0].material=r[1];this.meshCount!==i.size&&i.clear()}else{let i=e.overrideMaterial;e.overrideMaterial=this.material,s.render(e,t),e.overrideMaterial=i}s.shadowMap.enabled=n}disposeMaterials(){if(this.material!==null){let s=this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);for(let e of s)e.dispose()}}dispose(){this.originalMaterials.clear(),this.disposeMaterials()}static get workaroundEnabled(){return _u}static set workaroundEnabled(s){_u=s}},jp=class extends bi{constructor(s,e,t=null){super("RenderPass",s,e);this.needsSwap=!1,this.clearPass=new Wp,this.overrideMaterialManager=t===null?null:new Yp(t)}get renderToScreen(){return super.renderToScreen}set renderToScreen(s){super.renderToScreen=s,this.clearPass.renderToScreen=s}get overrideMaterial(){let s=this.overrideMaterialManager;return s!==null?s.material:null}set overrideMaterial(s){let e=this.overrideMaterialManager;s!==null?e!==null?e.setMaterial(s):this.overrideMaterialManager=new Yp(s):e!==null&&(e.dispose(),this.overrideMaterialManager=null)}get clear(){return this.clearPass.enabled}set clear(s){this.clearPass.enabled=s}getClearPass(){return this.clearPass}render(s,e,t,n,i){let r=this.scene,a=this.camera,o=r.background,l=this.renderToScreen?null:e;this.clear&&(this.clearPass.overrideClearColor!==null&&(r.background=null),this.clearPass.render(s,e)),s.setRenderTarget(l),this.overrideMaterialManager!==null?this.overrideMaterialManager.render(s,r,a):s.render(r,a),r.background!==o&&(r.background=o)}};var _M=new Float32Array([255/256/rr(256,3),255/256/rr(256,2),255/256/256,255/256]);var lt={SKIP:0,ADD:1,ALPHA:2,AVERAGE:3,COLOR_BURN:4,COLOR_DODGE:5,DARKEN:6,DIFFERENCE:7,EXCLUSION:8,LIGHTEN:9,MULTIPLY:10,DIVIDE:11,NEGATION:12,NORMAL:13,OVERLAY:14,REFLECT:15,SCREEN:16,SOFT_LIGHT:17,SUBTRACT:18},qb="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return min(x+y,1.0)*opacity+x*(1.0-opacity);}",Zb="vec3 blend(const in vec3 x,const in vec3 y,const in float opacity){return y*opacity+x*(1.0-opacity);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){float a=min(y.a,opacity);return vec4(blend(x.rgb,y.rgb,a),max(x.a,a));}",Jb="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(x+y)*0.5*opacity+x*(1.0-opacity);}",Kb="float blend(const in float x,const in float y){return(y==0.0)? y : max(1.0-(1.0-x)/y,0.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",$b="float blend(const in float x,const in float y){return(y==1.0)? y : min(x/(1.0-y),1.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",eA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return min(x,y)*opacity+x*(1.0-opacity);}",tA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return abs(x-y)*opacity+x*(1.0-opacity);}",nA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(x+y-2.0*x*y)*opacity+x*(1.0-opacity);}",iA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return max(x,y)*opacity+x*(1.0-opacity);}",rA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return x*y*opacity+x*(1.0-opacity);}",sA="float blend(const in float x,const in float y){return(y>0.0)? min(x/y,1.0): 1.0;}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",aA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(1.0-abs(1.0-x-y))*opacity+x*(1.0-opacity);}",oA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y*opacity+x*(1.0-opacity);}",lA="float blend(const in float x,const in float y){return(x<0.5)?(2.0*x*y):(1.0-2.0*(1.0-x)*(1.0-y));}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",cA="float blend(const in float x,const in float y){return(y==1.0)? y : min(x*x/(1.0-y),1.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",uA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(1.0-(1.0-x)*(1.0-y))*opacity+x*(1.0-opacity);}",hA="float blend(const in float x,const in float y){return(y<0.5)?(2.0*x*y+x*x*(1.0-2.0*y)):(sqrt(x)*(2.0*y-1.0)+2.0*x*(1.0-y));}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",dA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return max(x+y-1.0,0.0)*opacity+x*(1.0-opacity);}",fA=new Map([[lt.SKIP,null],[lt.ADD,qb],[lt.ALPHA,Zb],[lt.AVERAGE,Jb],[lt.COLOR_BURN,Kb],[lt.COLOR_DODGE,$b],[lt.DARKEN,eA],[lt.DIFFERENCE,tA],[lt.EXCLUSION,nA],[lt.LIGHTEN,iA],[lt.MULTIPLY,rA],[lt.DIVIDE,sA],[lt.NEGATION,aA],[lt.NORMAL,oA],[lt.OVERLAY,lA],[lt.REFLECT,cA],[lt.SCREEN,uA],[lt.SOFT_LIGHT,hA],[lt.SUBTRACT,dA]]),pA=class extends Ht{constructor(s,e=1){super();this.blendFunction=s,this.opacity=new He(e)}getBlendFunction(){return this.blendFunction}setBlendFunction(s){this.blendFunction=s,this.dispatchEvent({type:"change"})}getShaderCode(){return fA.get(this.blendFunction)}},mA=class extends Ht{constructor(s,e,{attributes:t=nr.NONE,blendFunction:n=lt.SCREEN,defines:i=new Map,uniforms:r=new Map,extensions:a=null,vertexShader:o=null}={}){super();this.name=s,this.attributes=t,this.fragmentShader=e,this.vertexShader=o,this.defines=i,this.uniforms=r,this.extensions=a,this.blendMode=new pA(n),this.blendMode.addEventListener("change",l=>this.setChanged())}setChanged(){this.dispatchEvent({type:"change"})}getAttributes(){return this.attributes}setAttributes(s){this.attributes=s,this.setChanged()}getFragmentShader(){return this.fragmentShader}setFragmentShader(s){this.fragmentShader=s,this.setChanged()}getVertexShader(){return this.vertexShader}setVertexShader(s){this.vertexShader=s,this.setChanged()}setDepthTexture(s,e=0){}update(s,e,t){}setSize(s,e){}initialize(s,e,t){}dispose(){for(let s of Object.keys(this)){let e=this[s];if(e!==null&&typeof e.dispose=="function"){if(e instanceof kt)continue;this[s].dispose()}}}},nr={NONE:0,DEPTH:1,CONVOLUTION:2};function Tu(s,e){let t=[],n;for(;(n=s.exec(e))!==null;)t.push(n[1]);return t}function Xp(s,e,t){let n,i;for(let r of e){n="$1"+s+r.charAt(0).toUpperCase()+r.slice(1),i=new RegExp("([^\\.])(\\b"+r+"\\b)","g");for(let a of t.entries())a[1]!==null&&t.set(a[0],a[1].replace(i,n))}}function gA(s,e,t,n,i,r,a){let o=/(?:\w+\s+(\w+)\([\w\s,]*\)\s*{[^}]+})/g,l=/(?:varying\s+\w+\s+(\w*))/g,c=e.blendMode,u=new Map([["fragment",e.getFragmentShader()],["vertex",e.getVertexShader()]]),h=u.get("fragment")!==void 0&&/mainImage/.test(u.get("fragment")),d=u.get("fragment")!==void 0&&/mainUv/.test(u.get("fragment")),f=[],p=[],v=!1,x=!1;if(u.get("fragment")===void 0)console.error("Missing fragment shader",e);else if(d&&(a&nr.CONVOLUTION)!=0)console.error("Effects that transform UV coordinates are incompatible with convolution effects",e);else if(!h&&!d)console.error("The fragment shader contains neither a mainImage nor a mainUv function",e);else{if(d&&(t.set(Ve.FRAGMENT_MAIN_UV,t.get(Ve.FRAGMENT_MAIN_UV)+"	"+s+`MainUv(UV);
+}`,Qb=class extends qe{constructor(s=!1,e=null){let t=e!==null;super({type:"LuminanceMaterial",uniforms:{inputBuffer:new Oe(null),threshold:new Oe(0),smoothing:new Oe(1),range:new Oe(t?e:new U)},fragmentShader:Xb,vertexShader:Gp,blending:Rt,depthWrite:!1,depthTest:!1});this.toneMapped=!1,this.colorOutput=s,this.useThreshold=!0,this.useRange=t}get threshold(){return this.uniforms.threshold.value}set threshold(s){this.uniforms.threshold.value=s}get smoothing(){return this.uniforms.smoothing.value}set smoothing(s){this.uniforms.smoothing.value=s}get useThreshold(){return this.defines.THRESHOLD!==void 0}set useThreshold(s){s?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.needsUpdate=!0}get colorOutput(){return this.defines.COLOR!==void 0}set colorOutput(s){s?this.defines.COLOR="1":delete this.defines.COLOR,this.needsUpdate=!0}setColorOutputEnabled(s){this.colorOutput=s}get useRange(){return this.defines.RANGE!==void 0}set useRange(s){s?this.defines.RANGE="1":delete this.defines.RANGE,this.needsUpdate=!0}get luminanceRange(){return this.useRange}set luminanceRange(s){this.useRange=s}setLuminanceRangeEnabled(s){this.useRange=s}};var qb=new si,xi=null;function Zb(){if(xi===null){let s=new Float32Array([-1,-1,0,3,-1,0,-1,3,0]),e=new Float32Array([0,0,2,0,0,2]);xi=new de,xi.setAttribute!==void 0?(xi.setAttribute("position",new pe(s,3)),xi.setAttribute("uv",new pe(e,2))):(xi.addAttribute("position",new pe(s,3)),xi.addAttribute("uv",new pe(e,2)))}return xi}var yi=class{constructor(s="Pass",e=new kt,t=qb){this.name=s,this.scene=e,this.camera=t,this.screen=null,this.rtt=!0,this.needsSwap=!0,this.needsDepthTexture=!1,this.enabled=!0}get renderToScreen(){return!this.rtt}set renderToScreen(s){if(this.rtt===s){let e=this.getFullscreenMaterial();e!==null&&(e.needsUpdate=!0),this.rtt=!s}}getFullscreenMaterial(){return this.screen!==null?this.screen.material:null}setFullscreenMaterial(s){let e=this.screen;e!==null?e.material=s:(e=new He(Zb(),s),e.frustumCulled=!1,this.scene===null&&(this.scene=new kt),this.scene.add(e),this.screen=e)}getDepthTexture(){return null}setDepthTexture(s,e=0){}render(s,e,t,n,i){throw new Error("Render method not implemented!")}setSize(s,e){}initialize(s,e,t){}dispose(){let s=this.getFullscreenMaterial();s!==null&&s.dispose();for(let e of Object.keys(this)){let t=this[e];if(t!==null&&typeof t.dispose=="function"){if(t instanceof kt)continue;this[e].dispose()}}}};var Vn=-1,Wn=class{constructor(s,e=Vn,t=Vn,n=1){this.resizable=s,this.base=new U(1,1),this.target=new U(e,t),this.s=n}get scale(){return this.s}set scale(s){this.s=s,this.target.x=Vn,this.target.y=Vn,this.resizable.setSize(this.base.x,this.base.y)}get width(){let s=this.base,e=this.target,t;return e.x!==Vn?t=e.x:e.y!==Vn?t=Math.round(e.y*(s.x/s.y)):t=Math.round(s.x*this.s),t}set width(s){this.target.x=s,this.resizable.setSize(this.base.x,this.base.y)}get height(){let s=this.base,e=this.target,t;return e.y!==Vn?t=e.y:e.x!==Vn?t=Math.round(e.x/(s.x/s.y)):t=Math.round(s.y*this.s),t}set height(s){this.target.y=s,this.resizable.setSize(this.base.x,this.base.y)}static get AUTO_SIZE(){return Vn}},Jb=class extends yi{constructor({resolutionScale:s=.5,width:e=Wn.AUTO_SIZE,height:t=Wn.AUTO_SIZE,kernelSize:n=xu.LARGE}={}){super("BlurPass");this.renderTargetA=new rt(1,1,{minFilter:ke,magFilter:ke,stencilBuffer:!1,depthBuffer:!1}),this.renderTargetA.texture.name="Blur.Target.A",this.renderTargetB=this.renderTargetA.clone(),this.renderTargetB.texture.name="Blur.Target.B",this.resolution=new Wn(this,e,t,s),this.convolutionMaterial=new kp,this.ditheredConvolutionMaterial=new kp,this.ditheredConvolutionMaterial.dithering=!0,this.dithering=!1,this.kernelSize=n}get width(){return this.resolution.width}set width(s){this.resolution.width=s}get height(){return this.resolution.height}set height(s){this.resolution.height=s}get scale(){return this.convolutionMaterial.uniforms.scale.value}set scale(s){this.convolutionMaterial.uniforms.scale.value=s,this.ditheredConvolutionMaterial.uniforms.scale.value=s}get kernelSize(){return this.convolutionMaterial.kernelSize}set kernelSize(s){this.convolutionMaterial.kernelSize=s,this.ditheredConvolutionMaterial.kernelSize=s}getResolutionScale(){return this.resolution.scale}setResolutionScale(s){this.resolution.scale=s}render(s,e,t,n,i){let r=this.scene,a=this.camera,o=this.renderTargetA,l=this.renderTargetB,c=this.convolutionMaterial,u=c.uniforms,h=c.getKernel(),d=e,f,p,v;for(this.setFullscreenMaterial(c),p=0,v=h.length-1;p<v;++p)f=(p&1)==0?o:l,u.kernel.value=h[p],u.inputBuffer.value=d.texture,s.setRenderTarget(f),s.render(r,a),d=f;this.dithering&&(c=this.ditheredConvolutionMaterial,u=c.uniforms,this.setFullscreenMaterial(c)),u.kernel.value=h[p],u.inputBuffer.value=d.texture,s.setRenderTarget(this.renderToScreen?null:t),s.render(r,a)}setSize(s,e){let t=this.resolution;t.base.set(s,e);let n=t.width,i=t.height;this.renderTargetA.setSize(n,i),this.renderTargetB.setSize(n,i),this.convolutionMaterial.setTexelSize(1/n,1/i),this.ditheredConvolutionMaterial.setTexelSize(1/n,1/i)}initialize(s,e,t){if(!e&&t===it&&(this.renderTargetA.texture.format=Pt,this.renderTargetB.texture.format=Pt),t!==void 0&&(this.renderTargetA.texture.type=t,this.renderTargetB.texture.type=t,t!==it)){let n=this.convolutionMaterial,i=this.ditheredConvolutionMaterial;n.defines.FRAMEBUFFER_PRECISION_HIGH="1",i.defines.FRAMEBUFFER_PRECISION_HIGH="1"}}static get AUTO_SIZE(){return Wn.AUTO_SIZE}},Kb=class extends yi{constructor(){super("ClearMaskPass",null,null);this.needsSwap=!1}render(s,e,t,n,i){let r=s.state.buffers.stencil;r.setLocked(!1),r.setTest(!1)}},yu=new ee,Vp=class extends yi{constructor(s=!0,e=!0,t=!1){super("ClearPass",null,null);this.needsSwap=!1,this.color=s,this.depth=e,this.stencil=t,this.overrideClearColor=null,this.overrideClearAlpha=-1}render(s,e,t,n,i){let r=this.overrideClearColor,a=this.overrideClearAlpha,o=s.getClearAlpha(),l=r!==null,c=a>=0;l?(yu.copy(s.getClearColor(yu)),s.setClearColor(r,c?a:o)):c&&s.setClearAlpha(a),s.setRenderTarget(this.renderToScreen?null:e),s.clear(this.color,this.depth,this.stencil),l?s.setClearColor(yu,o):c&&s.setClearAlpha(o)}},wu=!1,Wp=class{constructor(s=null){this.originalMaterials=new Map,this.material=null,this.materials=null,this.materialsBackSide=null,this.materialsDoubleSide=null,this.materialsFlatShaded=null,this.materialsFlatShadedBackSide=null,this.materialsFlatShadedDoubleSide=null,this.setMaterial(s),this.meshCount=0,this.replaceMaterial=e=>{if(e.isMesh){let t;if(e.material.flatShading)switch(e.material.side){case Nt:t=this.materialsFlatShadedDoubleSide;break;case je:t=this.materialsFlatShadedBackSide;break;default:t=this.materialsFlatShaded;break}else switch(e.material.side){case Nt:t=this.materialsDoubleSide;break;case je:t=this.materialsBackSide;break;default:t=this.materials;break}this.originalMaterials.set(e,e.material),e.isSkinnedMesh?e.material=t[2]:e.isInstancedMesh?e.material=t[1]:e.material=t[0],++this.meshCount}}}setMaterial(s){if(this.disposeMaterials(),this.material=s,s!==null){let e=this.materials=[s.clone(),s.clone(),s.clone()];for(let t of e)t.uniforms=Object.assign({},s.uniforms),t.side=Tn;e[2].skinning=!0,this.materialsBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.side=je,n}),this.materialsDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.side=Nt,n}),this.materialsFlatShaded=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.flatShading=!0,n}),this.materialsFlatShadedBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.flatShading=!0,n.side=je,n}),this.materialsFlatShadedDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},s.uniforms),n.flatShading=!0,n.side=Nt,n})}}render(s,e,t){let n=s.shadowMap.enabled;if(s.shadowMap.enabled=!1,wu){let i=this.originalMaterials;this.meshCount=0,e.traverse(this.replaceMaterial),s.render(e,t);for(let r of i)r[0].material=r[1];this.meshCount!==i.size&&i.clear()}else{let i=e.overrideMaterial;e.overrideMaterial=this.material,s.render(e,t),e.overrideMaterial=i}s.shadowMap.enabled=n}disposeMaterials(){if(this.material!==null){let s=this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);for(let e of s)e.dispose()}}dispose(){this.originalMaterials.clear(),this.disposeMaterials()}static get workaroundEnabled(){return wu}static set workaroundEnabled(s){wu=s}},jp=class extends yi{constructor(s,e,t=null){super("RenderPass",s,e);this.needsSwap=!1,this.clearPass=new Vp,this.overrideMaterialManager=t===null?null:new Wp(t)}get renderToScreen(){return super.renderToScreen}set renderToScreen(s){super.renderToScreen=s,this.clearPass.renderToScreen=s}get overrideMaterial(){let s=this.overrideMaterialManager;return s!==null?s.material:null}set overrideMaterial(s){let e=this.overrideMaterialManager;s!==null?e!==null?e.setMaterial(s):this.overrideMaterialManager=new Wp(s):e!==null&&(e.dispose(),this.overrideMaterialManager=null)}get clear(){return this.clearPass.enabled}set clear(s){this.clearPass.enabled=s}getClearPass(){return this.clearPass}render(s,e,t,n,i){let r=this.scene,a=this.camera,o=r.background,l=this.renderToScreen?null:e;this.clear&&(this.clearPass.overrideClearColor!==null&&(r.background=null),this.clearPass.render(s,e)),s.setRenderTarget(l),this.overrideMaterialManager!==null?this.overrideMaterialManager.render(s,r,a):s.render(r,a),r.background!==o&&(r.background=o)}};var RM=new Float32Array([255/256/Yn(256,3),255/256/Yn(256,2),255/256/256,255/256]);var ft={SKIP:0,ADD:1,ALPHA:2,AVERAGE:3,COLOR_BURN:4,COLOR_DODGE:5,DARKEN:6,DIFFERENCE:7,EXCLUSION:8,LIGHTEN:9,MULTIPLY:10,DIVIDE:11,NEGATION:12,NORMAL:13,OVERLAY:14,REFLECT:15,SCREEN:16,SOFT_LIGHT:17,SUBTRACT:18},$b="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return min(x+y,1.0)*opacity+x*(1.0-opacity);}",eA="vec3 blend(const in vec3 x,const in vec3 y,const in float opacity){return y*opacity+x*(1.0-opacity);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){float a=min(y.a,opacity);return vec4(blend(x.rgb,y.rgb,a),max(x.a,a));}",tA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(x+y)*0.5*opacity+x*(1.0-opacity);}",nA="float blend(const in float x,const in float y){return(y==0.0)? y : max(1.0-(1.0-x)/y,0.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",iA="float blend(const in float x,const in float y){return(y==1.0)? y : min(x/(1.0-y),1.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",rA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return min(x,y)*opacity+x*(1.0-opacity);}",sA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return abs(x-y)*opacity+x*(1.0-opacity);}",aA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(x+y-2.0*x*y)*opacity+x*(1.0-opacity);}",oA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return max(x,y)*opacity+x*(1.0-opacity);}",lA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return x*y*opacity+x*(1.0-opacity);}",cA="float blend(const in float x,const in float y){return(y>0.0)? min(x/y,1.0): 1.0;}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",uA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(1.0-abs(1.0-x-y))*opacity+x*(1.0-opacity);}",hA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y*opacity+x*(1.0-opacity);}",dA="float blend(const in float x,const in float y){return(x<0.5)?(2.0*x*y):(1.0-2.0*(1.0-x)*(1.0-y));}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",fA="float blend(const in float x,const in float y){return(y==1.0)? y : min(x*x/(1.0-y),1.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",pA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(1.0-(1.0-x)*(1.0-y))*opacity+x*(1.0-opacity);}",mA="float blend(const in float x,const in float y){return(y<0.5)?(2.0*x*y+x*x*(1.0-2.0*y)):(sqrt(x)*(2.0*y-1.0)+2.0*x*(1.0-y));}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}",gA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return max(x+y-1.0,0.0)*opacity+x*(1.0-opacity);}",vA=new Map([[ft.SKIP,null],[ft.ADD,$b],[ft.ALPHA,eA],[ft.AVERAGE,tA],[ft.COLOR_BURN,nA],[ft.COLOR_DODGE,iA],[ft.DARKEN,rA],[ft.DIFFERENCE,sA],[ft.EXCLUSION,aA],[ft.LIGHTEN,oA],[ft.MULTIPLY,lA],[ft.DIVIDE,cA],[ft.NEGATION,uA],[ft.NORMAL,hA],[ft.OVERLAY,dA],[ft.REFLECT,fA],[ft.SCREEN,pA],[ft.SOFT_LIGHT,mA],[ft.SUBTRACT,gA]]),xA=class extends Ht{constructor(s,e=1){super();this.blendFunction=s,this.opacity=new Oe(e)}getBlendFunction(){return this.blendFunction}setBlendFunction(s){this.blendFunction=s,this.dispatchEvent({type:"change"})}getShaderCode(){return vA.get(this.blendFunction)}},yA=class extends Ht{constructor(s,e,{attributes:t=sr.NONE,blendFunction:n=ft.SCREEN,defines:i=new Map,uniforms:r=new Map,extensions:a=null,vertexShader:o=null}={}){super();this.name=s,this.attributes=t,this.fragmentShader=e,this.vertexShader=o,this.defines=i,this.uniforms=r,this.extensions=a,this.blendMode=new xA(n),this.blendMode.addEventListener("change",l=>this.setChanged())}setChanged(){this.dispatchEvent({type:"change"})}getAttributes(){return this.attributes}setAttributes(s){this.attributes=s,this.setChanged()}getFragmentShader(){return this.fragmentShader}setFragmentShader(s){this.fragmentShader=s,this.setChanged()}getVertexShader(){return this.vertexShader}setVertexShader(s){this.vertexShader=s,this.setChanged()}setDepthTexture(s,e=0){}update(s,e,t){}setSize(s,e){}initialize(s,e,t){}dispose(){for(let s of Object.keys(this)){let e=this[s];if(e!==null&&typeof e.dispose=="function"){if(e instanceof kt)continue;this[s].dispose()}}}},sr={NONE:0,DEPTH:1,CONVOLUTION:2};function bu(s,e){let t=[],n;for(;(n=s.exec(e))!==null;)t.push(n[1]);return t}function Yp(s,e,t){let n,i;for(let r of e){n="$1"+s+r.charAt(0).toUpperCase()+r.slice(1),i=new RegExp("([^\\.])(\\b"+r+"\\b)","g");for(let a of t.entries())a[1]!==null&&t.set(a[0],a[1].replace(i,n))}}function wA(s,e,t,n,i,r,a){let o=/(?:\w+\s+(\w+)\([\w\s,]*\)\s*{[^}]+})/g,l=/(?:varying\s+\w+\s+(\w*))/g,c=e.blendMode,u=new Map([["fragment",e.getFragmentShader()],["vertex",e.getVertexShader()]]),h=u.get("fragment")!==void 0&&/mainImage/.test(u.get("fragment")),d=u.get("fragment")!==void 0&&/mainUv/.test(u.get("fragment")),f=[],p=[],v=!1,x=!1;if(u.get("fragment")===void 0)console.error("Missing fragment shader",e);else if(d&&(a&sr.CONVOLUTION)!=0)console.error("Effects that transform UV coordinates are incompatible with convolution effects",e);else if(!h&&!d)console.error("The fragment shader contains neither a mainImage nor a mainUv function",e);else{if(d&&(t.set(Ve.FRAGMENT_MAIN_UV,t.get(Ve.FRAGMENT_MAIN_UV)+"	"+s+`MainUv(UV);
 `),v=!0),u.get("vertex")!==null&&/mainSupport/.test(u.get("vertex"))){let g="	"+s+"MainSupport(";/mainSupport *\([\w\s]*?uv\s*?\)/.test(u.get("vertex"))&&(g+="vUv"),g+=`);
-`,t.set(Ve.VERTEX_MAIN_SUPPORT,t.get(Ve.VERTEX_MAIN_SUPPORT)+g),f=f.concat(Tu(l,u.get("vertex"))),p=p.concat(f).concat(Tu(o,u.get("vertex")))}if(p=p.concat(Tu(o,u.get("fragment"))),p=p.concat(Array.from(e.defines.keys()).map(g=>g.replace(/\([\w\s,]*\)/g,""))),p=p.concat(Array.from(e.uniforms.keys())),e.uniforms.forEach((g,m)=>r.set(s+m.charAt(0).toUpperCase()+m.slice(1),g)),e.defines.forEach((g,m)=>i.set(s+m.charAt(0).toUpperCase()+m.slice(1),g)),Xp(s,p,i),Xp(s,p,u),n.set(c.blendFunction,c),h){let g=/MainImage *\([\w\s,]*?depth[\w\s,]*?\)/,m=s+"MainImage(color0, UV, ";(a&nr.DEPTH)!=0&&g.test(u.get("fragment"))&&(m+="depth, ",x=!0),m+=`color1);
-	`;let y=s+"BlendOpacity";r.set(y,c.opacity),m+="color0 = blend"+c.getBlendFunction()+"(color0, color1, "+y+`);
+`,t.set(Ve.VERTEX_MAIN_SUPPORT,t.get(Ve.VERTEX_MAIN_SUPPORT)+g),f=f.concat(bu(l,u.get("vertex"))),p=p.concat(f).concat(bu(o,u.get("vertex")))}if(p=p.concat(bu(o,u.get("fragment"))),p=p.concat(Array.from(e.defines.keys()).map(g=>g.replace(/\([\w\s,]*\)/g,""))),p=p.concat(Array.from(e.uniforms.keys())),e.uniforms.forEach((g,m)=>r.set(s+m.charAt(0).toUpperCase()+m.slice(1),g)),e.defines.forEach((g,m)=>i.set(s+m.charAt(0).toUpperCase()+m.slice(1),g)),Yp(s,p,i),Yp(s,p,u),n.set(c.blendFunction,c),h){let g=/MainImage *\([\w\s,]*?depth[\w\s,]*?\)/,m=s+"MainImage(color0, UV, ";(a&sr.DEPTH)!=0&&g.test(u.get("fragment"))&&(m+="depth, ",x=!0),m+=`color1);
+	`;let w=s+"BlendOpacity";r.set(w,c.opacity),m+="color0 = blend"+c.getBlendFunction()+"(color0, color1, "+w+`);
 
-	`,t.set(Ve.FRAGMENT_MAIN_IMAGE,t.get(Ve.FRAGMENT_MAIN_IMAGE)+m),t.set(Ve.FRAGMENT_HEAD,t.get(Ve.FRAGMENT_HEAD)+"uniform float "+y+`;
+	`,t.set(Ve.FRAGMENT_MAIN_IMAGE,t.get(Ve.FRAGMENT_MAIN_IMAGE)+m),t.set(Ve.FRAGMENT_HEAD,t.get(Ve.FRAGMENT_HEAD)+"uniform float "+w+`;
 
 `)}t.set(Ve.FRAGMENT_HEAD,t.get(Ve.FRAGMENT_HEAD)+u.get("fragment")+`
 `),u.get("vertex")!==null&&t.set(Ve.VERTEX_HEAD,t.get(Ve.VERTEX_HEAD)+u.get("vertex")+`
-`)}return{varyings:f,transformedUv:v,readDepth:x}}var Qp=class extends bi{constructor(s,...e){super("EffectPass");this.setFullscreenMaterial(new kb(null,null,null,s)),this.effects=e.sort((t,n)=>n.attributes-t.attributes),this.skipRendering=!1,this.uniforms=0,this.varyings=0,this.minTime=1,this.maxTime=Number.POSITIVE_INFINITY}get encodeOutput(){return this.getFullscreenMaterial().defines.ENCODE_OUTPUT!==void 0}set encodeOutput(s){if(this.encodeOutput!==s){let e=this.getFullscreenMaterial();e.needsUpdate=!0,s?e.defines.ENCODE_OUTPUT="1":delete e.defines.ENCODE_OUTPUT}}get dithering(){return this.getFullscreenMaterial().dithering}set dithering(s){let e=this.getFullscreenMaterial();e.dithering!==s&&(e.dithering=s,e.needsUpdate=!0)}verifyResources(s){let e=s.capabilities,t=Math.min(e.maxFragmentUniforms,e.maxVertexUniforms);this.uniforms>t&&console.warn("The current rendering context doesn't support more than "+t+" uniforms, but "+this.uniforms+" were defined"),t=e.maxVaryings,this.varyings>t&&console.warn("The current rendering context doesn't support more than "+t+" varyings, but "+this.varyings+" were defined")}updateMaterial(){let s=/\bblend\b/g,e=new Map([[Ve.FRAGMENT_HEAD,""],[Ve.FRAGMENT_MAIN_UV,""],[Ve.FRAGMENT_MAIN_IMAGE,""],[Ve.VERTEX_HEAD,""],[Ve.VERTEX_MAIN_SUPPORT,""]]),t=new Map,n=new Map,i=new Map,r=new Set,a=0,o=0,l=0,c=!1,u=!1,h;for(let f of this.effects)if(f.blendMode.getBlendFunction()===lt.SKIP)l|=f.getAttributes()&nr.DEPTH;else if((l&nr.CONVOLUTION)!=0&&(f.getAttributes()&nr.CONVOLUTION)!=0)console.error("Convolution effects cannot be merged",f);else if(l|=f.getAttributes(),h=gA("e"+a++,f,e,t,n,i,l),o+=h.varyings.length,c=c||h.transformedUv,u=u||h.readDepth,f.extensions!==null)for(let p of f.extensions)r.add(p);for(let f of t.values())e.set(Ve.FRAGMENT_HEAD,e.get(Ve.FRAGMENT_HEAD)+f.getShaderCode().replace(s,"blend"+f.getBlendFunction())+`
-`);(l&nr.DEPTH)!=0?(u&&e.set(Ve.FRAGMENT_MAIN_IMAGE,`float depth = readDepth(UV);
+`)}return{varyings:f,transformedUv:v,readDepth:x}}var Xp=class extends yi{constructor(s,...e){super("EffectPass");this.setFullscreenMaterial(new Yb(null,null,null,s)),this.effects=e.sort((t,n)=>n.attributes-t.attributes),this.skipRendering=!1,this.uniforms=0,this.varyings=0,this.minTime=1,this.maxTime=Number.POSITIVE_INFINITY}get encodeOutput(){return this.getFullscreenMaterial().defines.ENCODE_OUTPUT!==void 0}set encodeOutput(s){if(this.encodeOutput!==s){let e=this.getFullscreenMaterial();e.needsUpdate=!0,s?e.defines.ENCODE_OUTPUT="1":delete e.defines.ENCODE_OUTPUT}}get dithering(){return this.getFullscreenMaterial().dithering}set dithering(s){let e=this.getFullscreenMaterial();e.dithering!==s&&(e.dithering=s,e.needsUpdate=!0)}verifyResources(s){let e=s.capabilities,t=Math.min(e.maxFragmentUniforms,e.maxVertexUniforms);this.uniforms>t&&console.warn("The current rendering context doesn't support more than "+t+" uniforms, but "+this.uniforms+" were defined"),t=e.maxVaryings,this.varyings>t&&console.warn("The current rendering context doesn't support more than "+t+" varyings, but "+this.varyings+" were defined")}updateMaterial(){let s=/\bblend\b/g,e=new Map([[Ve.FRAGMENT_HEAD,""],[Ve.FRAGMENT_MAIN_UV,""],[Ve.FRAGMENT_MAIN_IMAGE,""],[Ve.VERTEX_HEAD,""],[Ve.VERTEX_MAIN_SUPPORT,""]]),t=new Map,n=new Map,i=new Map,r=new Set,a=0,o=0,l=0,c=!1,u=!1,h;for(let f of this.effects)if(f.blendMode.getBlendFunction()===ft.SKIP)l|=f.getAttributes()&sr.DEPTH;else if((l&sr.CONVOLUTION)!=0&&(f.getAttributes()&sr.CONVOLUTION)!=0)console.error("Convolution effects cannot be merged",f);else if(l|=f.getAttributes(),h=wA("e"+a++,f,e,t,n,i,l),o+=h.varyings.length,c=c||h.transformedUv,u=u||h.readDepth,f.extensions!==null)for(let p of f.extensions)r.add(p);for(let f of t.values())e.set(Ve.FRAGMENT_HEAD,e.get(Ve.FRAGMENT_HEAD)+f.getShaderCode().replace(s,"blend"+f.getBlendFunction())+`
+`);(l&sr.DEPTH)!=0?(u&&e.set(Ve.FRAGMENT_MAIN_IMAGE,`float depth = readDepth(UV);
 
 	`+e.get(Ve.FRAGMENT_MAIN_IMAGE)),this.needsDepthTexture=this.getDepthTexture()===null):this.needsDepthTexture=!1,c?(e.set(Ve.FRAGMENT_MAIN_UV,`vec2 transformedUv = vUv;
 `+e.get(Ve.FRAGMENT_MAIN_UV)),n.set("UV","transformedUv")):n.set("UV","vUv"),e.forEach((f,p,v)=>v.set(p,f.trim().replace(/^#/,`
-#`))),this.uniforms=i.size,this.varyings=o,this.skipRendering=a===0,this.needsSwap=!this.skipRendering;let d=this.getFullscreenMaterial();if(d.setShaderParts(e),d.setDefines(n),d.setUniforms(i),d.extensions={},r.size>0)for(let f of r)d.extensions[f]=!0;this.needsUpdate=!1}recompile(s){this.updateMaterial(),s!==void 0&&this.verifyResources(s)}getDepthTexture(){return this.getFullscreenMaterial().uniforms.depthBuffer.value}setDepthTexture(s,e=Ss){let t=this.getFullscreenMaterial();t.uniforms.depthBuffer.value=s,t.depthPacking=e,t.needsUpdate=!0;for(let n of this.effects)n.setDepthTexture(s,e)}render(s,e,t,n,i){let r=this.getFullscreenMaterial(),a=r.uniforms.time.value+n;this.needsUpdate&&this.recompile(s);for(let o of this.effects)o.update(s,e,n);(!this.skipRendering||this.renderToScreen)&&(r.uniforms.inputBuffer.value=e.texture,r.uniforms.time.value=a<=this.maxTime?a:this.minTime,s.setRenderTarget(this.renderToScreen?null:t),s.render(this.scene,this.camera))}setSize(s,e){this.getFullscreenMaterial().setSize(s,e);for(let t of this.effects)t.setSize(s,e)}initialize(s,e,t){for(let n of this.effects)n.initialize(s,e,t),n.addEventListener("change",i=>this.handleEvent(i));if(this.updateMaterial(),this.verifyResources(s),t!==void 0&&t!==rt){let n=this.getFullscreenMaterial();n.defines.FRAMEBUFFER_PRECISION_HIGH="1"}}dispose(){super.dispose();for(let s of this.effects)s.dispose()}handleEvent(s){switch(s.type){case"change":this.needsUpdate=!0;break}}};var vA=class extends bi{constructor({width:s=jn.AUTO_SIZE,height:e=jn.AUTO_SIZE,renderTarget:t,luminanceRange:n,colorOutput:i}={}){super("LuminancePass");this.setFullscreenMaterial(new Wb(i,n)),this.needsSwap=!1,this.renderTarget=t,this.renderTarget===void 0&&(this.renderTarget=new ut(1,1,{minFilter:ke,magFilter:ke,format:i?gt:ya,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="LuminancePass.Target",this.renderTarget.texture.generateMipmaps=!1),this.resolution=new jn(this,s,e)}get texture(){return this.renderTarget.texture}render(s,e,t,n,i){let r=this.getFullscreenMaterial();r.uniforms.inputBuffer.value=e.texture,s.setRenderTarget(this.renderToScreen?null:this.renderTarget),s.render(this.scene,this.camera)}setSize(s,e){let t=this.resolution;t.base.set(s,e),this.renderTarget.setSize(t.width,t.height)}initialize(s,e,t){if(t!==void 0&&t!==rt){let n=this.getFullscreenMaterial();n.defines.FRAMEBUFFER_PRECISION_HIGH="1"}}},xA=class extends bi{constructor(s,e){super("MaskPass",s,e);this.needsSwap=!1,this.clearPass=new Wp(!1,!1,!0),this.inverse=!1}get clear(){return this.clearPass.enabled}set clear(s){this.clearPass.enabled=s}render(s,e,t,n,i){let r=s.getContext(),a=s.state.buffers,o=this.scene,l=this.camera,c=this.clearPass,u=this.inverse?0:1,h=1-u;a.color.setMask(!1),a.depth.setMask(!1),a.color.setLocked(!0),a.depth.setLocked(!0),a.stencil.setTest(!0),a.stencil.setOp(r.REPLACE,r.REPLACE,r.REPLACE),a.stencil.setFunc(r.ALWAYS,u,4294967295),a.stencil.setClear(h),a.stencil.setLocked(!0),this.clear&&(this.renderToScreen?c.render(s,null):(c.render(s,e),c.render(s,t))),this.renderToScreen?(s.setRenderTarget(null),s.render(o,l)):(s.setRenderTarget(e),s.render(o,l),s.setRenderTarget(t),s.render(o,l)),a.color.setLocked(!1),a.depth.setLocked(!1),a.stencil.setLocked(!1),a.stencil.setFunc(r.EQUAL,1,4294967295),a.stencil.setOp(r.KEEP,r.KEEP,r.KEEP),a.stencil.setLocked(!0)}};var yA=class extends bi{constructor(s,e="inputBuffer"){super("ShaderPass");this.setFullscreenMaterial(s),this.uniform=null,this.setInput(e)}setInput(s){let e=this.getFullscreenMaterial();if(this.uniform=null,e!==null){let t=e.uniforms;t!==void 0&&t[s]!==void 0&&(this.uniform=t[s])}}render(s,e,t,n,i){this.uniform!==null&&e!==null&&(this.uniform.value=e.texture),s.setRenderTarget(this.renderToScreen?null:t),s.render(this.scene,this.camera)}initialize(s,e,t){if(t!==void 0&&t!==rt){let n=this.getFullscreenMaterial();n.defines.FRAMEBUFFER_PRECISION_HIGH="1"}}},qp=class{constructor(s=null,{depthBuffer:e=!0,stencilBuffer:t=!1,alpha:n=!1,multisampling:i=0,frameBufferType:r}={}){this.renderer=s,this.inputBuffer=null,this.outputBuffer=null,this.renderer!==null&&(this.renderer.autoClear=!1,this.inputBuffer=this.createBuffer(e,t,r,i),this.outputBuffer=this.inputBuffer.clone()),this.copyPass=new yA(new Hb),this.alpha=n,this.depthTexture=null,this.passes=[],this.autoRenderToScreen=!0}get multisampling(){return this.inputBuffer instanceof Fi?this.inputBuffer.samples:0}set multisampling(s){let e=this.inputBuffer,t=this.multisampling;t>0&&s>0?(this.inputBuffer.samples=s,this.outputBuffer.samples=s):t!==s&&(this.inputBuffer.dispose(),this.outputBuffer.dispose(),this.inputBuffer=this.createBuffer(e.depthBuffer,e.stencilBuffer,e.texture.type,s),this.inputBuffer.depthTexture=this.depthTexture,this.outputBuffer=this.inputBuffer.clone())}getRenderer(){return this.renderer}replaceRenderer(s,e=!0){let t=this.renderer;if(t!==null&&t!==s){let n=t.getSize(new z),i=s.getSize(new z),r=t.domElement.parentNode;this.renderer=s,this.renderer.autoClear=!1,n.equals(i)||this.setSize(),e&&r!==null&&(r.removeChild(t.domElement),r.appendChild(s.domElement))}return t}createDepthTexture(){let s=this.depthTexture=new Gr;return this.inputBuffer.depthTexture=s,this.inputBuffer.dispose(),this.inputBuffer.stencilBuffer?(s.format=Kn,s.type=Jn):s.type=Ci,s}deleteDepthTexture(){if(this.depthTexture!==null){this.depthTexture.dispose(),this.depthTexture=null,this.inputBuffer.depthTexture=null,this.inputBuffer.dispose();for(let s of this.passes)s.setDepthTexture(null)}}createBuffer(s,e,t,n){let i=this.renderer,r=i.getContext(),a=i.getDrawingBufferSize(new z),l={format:!(this.alpha||r.getContextAttributes().alpha)&&t===rt?Et:gt,minFilter:ke,magFilter:ke,stencilBuffer:e,depthBuffer:s,type:t},c=n>0?new Fi(a.width,a.height,l):new ut(a.width,a.height,l);return n>0&&(c.samples=n),c.texture.name="EffectComposer.Buffer",c.texture.generateMipmaps=!1,c}addPass(s,e){let t=this.passes,n=this.renderer,i=n.getDrawingBufferSize(new z),r=n.getContext().getContextAttributes().alpha,a=this.inputBuffer.texture.type;if(s.setSize(i.width,i.height),s.initialize(n,r,a),this.autoRenderToScreen&&(t.length>0&&(t[t.length-1].renderToScreen=!1),s.renderToScreen&&(this.autoRenderToScreen=!1)),e!==void 0?t.splice(e,0,s):t.push(s),this.autoRenderToScreen&&(t[t.length-1].renderToScreen=!0),s.needsDepthTexture||this.depthTexture!==null)if(this.depthTexture===null){let o=this.createDepthTexture();for(s of t)s.setDepthTexture(o)}else s.setDepthTexture(this.depthTexture)}removePass(s){let e=this.passes,t=e.indexOf(s);if(t!==-1&&e.splice(t,1).length>0){if(this.depthTexture!==null){let r=(o,l)=>o||l.needsDepthTexture;e.reduce(r,!1)||(s.getDepthTexture()===this.depthTexture&&s.setDepthTexture(null),this.deleteDepthTexture())}this.autoRenderToScreen&&t===e.length&&(s.renderToScreen=!1,e.length>0&&(e[e.length-1].renderToScreen=!0))}}removeAllPasses(){let s=this.passes;this.deleteDepthTexture(),s.length>0&&(this.autoRenderToScreen&&(s[s.length-1].renderToScreen=!1),this.passes=[])}render(s){let e=this.renderer,t=this.copyPass,n=this.inputBuffer,i=this.outputBuffer,r=!1,a,o,l;for(let c of this.passes)c.enabled&&(c.render(e,n,i,s,r),c.needsSwap&&(r&&(t.renderToScreen=c.renderToScreen,a=e.getContext(),o=e.state.buffers.stencil,o.setFunc(a.NOTEQUAL,1,4294967295),t.render(e,n,i,s,r),o.setFunc(a.EQUAL,1,4294967295)),l=n,n=i,i=l),c instanceof xA?r=!0:c instanceof Qb&&(r=!1))}setSize(s,e,t){let n=this.renderer;if(s===void 0||e===void 0){let o=n.getSize(new z);s=o.width,e=o.height}else n.setSize(s,e,t);let i=n.getDrawingBufferSize(new z),r=this.inputBuffer,a=this.outputBuffer;r.setSize(i.width,i.height),a.setSize(i.width,i.height);for(let o of this.passes)o.setSize(i.width,i.height)}reset(){this.dispose(),this.autoRenderToScreen=!0}dispose(){for(let s of this.passes)s.dispose();this.passes=[],this.inputBuffer!==null&&this.inputBuffer.dispose(),this.outputBuffer!==null&&this.outputBuffer.dispose(),this.deleteDepthTexture(),this.copyPass.dispose()}};var wA=`#ifdef FRAMEBUFFER_PRECISION_HIGH
+#`))),this.uniforms=i.size,this.varyings=o,this.skipRendering=a===0,this.needsSwap=!this.skipRendering;let d=this.getFullscreenMaterial();if(d.setShaderParts(e),d.setDefines(n),d.setUniforms(i),d.extensions={},r.size>0)for(let f of r)d.extensions[f]=!0;this.needsUpdate=!1}recompile(s){this.updateMaterial(),s!==void 0&&this.verifyResources(s)}getDepthTexture(){return this.getFullscreenMaterial().uniforms.depthBuffer.value}setDepthTexture(s,e=Ss){let t=this.getFullscreenMaterial();t.uniforms.depthBuffer.value=s,t.depthPacking=e,t.needsUpdate=!0;for(let n of this.effects)n.setDepthTexture(s,e)}render(s,e,t,n,i){let r=this.getFullscreenMaterial(),a=r.uniforms.time.value+n;this.needsUpdate&&this.recompile(s);for(let o of this.effects)o.update(s,e,n);(!this.skipRendering||this.renderToScreen)&&(r.uniforms.inputBuffer.value=e.texture,r.uniforms.time.value=a<=this.maxTime?a:this.minTime,s.setRenderTarget(this.renderToScreen?null:t),s.render(this.scene,this.camera))}setSize(s,e){this.getFullscreenMaterial().setSize(s,e);for(let t of this.effects)t.setSize(s,e)}initialize(s,e,t){for(let n of this.effects)n.initialize(s,e,t),n.addEventListener("change",i=>this.handleEvent(i));if(this.updateMaterial(),this.verifyResources(s),t!==void 0&&t!==it){let n=this.getFullscreenMaterial();n.defines.FRAMEBUFFER_PRECISION_HIGH="1"}}dispose(){super.dispose();for(let s of this.effects)s.dispose()}handleEvent(s){switch(s.type){case"change":this.needsUpdate=!0;break}}};var bA=class extends yi{constructor({width:s=Wn.AUTO_SIZE,height:e=Wn.AUTO_SIZE,renderTarget:t,luminanceRange:n,colorOutput:i}={}){super("LuminancePass");this.setFullscreenMaterial(new Qb(i,n)),this.needsSwap=!1,this.renderTarget=t,this.renderTarget===void 0&&(this.renderTarget=new rt(1,1,{minFilter:ke,magFilter:ke,format:i?ct:ba,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="LuminancePass.Target",this.renderTarget.texture.generateMipmaps=!1),this.resolution=new Wn(this,s,e)}get texture(){return this.renderTarget.texture}render(s,e,t,n,i){let r=this.getFullscreenMaterial();r.uniforms.inputBuffer.value=e.texture,s.setRenderTarget(this.renderToScreen?null:this.renderTarget),s.render(this.scene,this.camera)}setSize(s,e){let t=this.resolution;t.base.set(s,e),this.renderTarget.setSize(t.width,t.height)}initialize(s,e,t){if(t!==void 0&&t!==it){let n=this.getFullscreenMaterial();n.defines.FRAMEBUFFER_PRECISION_HIGH="1"}}},AA=class extends yi{constructor(s,e){super("MaskPass",s,e);this.needsSwap=!1,this.clearPass=new Vp(!1,!1,!0),this.inverse=!1}get clear(){return this.clearPass.enabled}set clear(s){this.clearPass.enabled=s}render(s,e,t,n,i){let r=s.getContext(),a=s.state.buffers,o=this.scene,l=this.camera,c=this.clearPass,u=this.inverse?0:1,h=1-u;a.color.setMask(!1),a.depth.setMask(!1),a.color.setLocked(!0),a.depth.setLocked(!0),a.stencil.setTest(!0),a.stencil.setOp(r.REPLACE,r.REPLACE,r.REPLACE),a.stencil.setFunc(r.ALWAYS,u,4294967295),a.stencil.setClear(h),a.stencil.setLocked(!0),this.clear&&(this.renderToScreen?c.render(s,null):(c.render(s,e),c.render(s,t))),this.renderToScreen?(s.setRenderTarget(null),s.render(o,l)):(s.setRenderTarget(e),s.render(o,l),s.setRenderTarget(t),s.render(o,l)),a.color.setLocked(!1),a.depth.setLocked(!1),a.stencil.setLocked(!1),a.stencil.setFunc(r.EQUAL,1,4294967295),a.stencil.setOp(r.KEEP,r.KEEP,r.KEEP),a.stencil.setLocked(!0)}};var MA=class extends yi{constructor(s,e="inputBuffer"){super("ShaderPass");this.setFullscreenMaterial(s),this.uniform=null,this.setInput(e)}setInput(s){let e=this.getFullscreenMaterial();if(this.uniform=null,e!==null){let t=e.uniforms;t!==void 0&&t[s]!==void 0&&(this.uniform=t[s])}}render(s,e,t,n,i){this.uniform!==null&&e!==null&&(this.uniform.value=e.texture),s.setRenderTarget(this.renderToScreen?null:t),s.render(this.scene,this.camera)}initialize(s,e,t){if(t!==void 0&&t!==it){let n=this.getFullscreenMaterial();n.defines.FRAMEBUFFER_PRECISION_HIGH="1"}}},Qp=class{constructor(s=null,{depthBuffer:e=!0,stencilBuffer:t=!1,alpha:n=!1,multisampling:i=0,frameBufferType:r}={}){this.renderer=s,this.inputBuffer=null,this.outputBuffer=null,this.renderer!==null&&(this.renderer.autoClear=!1,this.inputBuffer=this.createBuffer(e,t,r,i),this.outputBuffer=this.inputBuffer.clone()),this.copyPass=new MA(new Vb),this.alpha=n,this.depthTexture=null,this.passes=[],this.autoRenderToScreen=!0}get multisampling(){return this.inputBuffer instanceof Zn?this.inputBuffer.samples:0}set multisampling(s){let e=this.inputBuffer,t=this.multisampling;t>0&&s>0?(this.inputBuffer.samples=s,this.outputBuffer.samples=s):t!==s&&(this.inputBuffer.dispose(),this.outputBuffer.dispose(),this.inputBuffer=this.createBuffer(e.depthBuffer,e.stencilBuffer,e.texture.type,s),this.inputBuffer.depthTexture=this.depthTexture,this.outputBuffer=this.inputBuffer.clone())}getRenderer(){return this.renderer}replaceRenderer(s,e=!0){let t=this.renderer;if(t!==null&&t!==s){let n=t.getSize(new U),i=s.getSize(new U),r=t.domElement.parentNode;this.renderer=s,this.renderer.autoClear=!1,n.equals(i)||this.setSize(),e&&r!==null&&(r.removeChild(t.domElement),r.appendChild(s.domElement))}return t}createDepthTexture(){let s=this.depthTexture=new li;return this.inputBuffer.depthTexture=s,this.inputBuffer.dispose(),this.inputBuffer.stencilBuffer?(s.format=Cn,s.type=Sn):s.type=Pi,s}deleteDepthTexture(){if(this.depthTexture!==null){this.depthTexture.dispose(),this.depthTexture=null,this.inputBuffer.depthTexture=null,this.inputBuffer.dispose();for(let s of this.passes)s.setDepthTexture(null)}}createBuffer(s,e,t,n){let i=this.renderer,r=i.getContext(),a=i.getDrawingBufferSize(new U),l={format:!(this.alpha||r.getContextAttributes().alpha)&&t===it?Pt:ct,minFilter:ke,magFilter:ke,stencilBuffer:e,depthBuffer:s,type:t},c=n>0?new Zn(a.width,a.height,l):new rt(a.width,a.height,l);return n>0&&(c.samples=n),c.texture.name="EffectComposer.Buffer",c.texture.generateMipmaps=!1,c}addPass(s,e){let t=this.passes,n=this.renderer,i=n.getDrawingBufferSize(new U),r=n.getContext().getContextAttributes().alpha,a=this.inputBuffer.texture.type;if(s.setSize(i.width,i.height),s.initialize(n,r,a),this.autoRenderToScreen&&(t.length>0&&(t[t.length-1].renderToScreen=!1),s.renderToScreen&&(this.autoRenderToScreen=!1)),e!==void 0?t.splice(e,0,s):t.push(s),this.autoRenderToScreen&&(t[t.length-1].renderToScreen=!0),s.needsDepthTexture||this.depthTexture!==null)if(this.depthTexture===null){let o=this.createDepthTexture();for(s of t)s.setDepthTexture(o)}else s.setDepthTexture(this.depthTexture)}removePass(s){let e=this.passes,t=e.indexOf(s);if(t!==-1&&e.splice(t,1).length>0){if(this.depthTexture!==null){let r=(o,l)=>o||l.needsDepthTexture;e.reduce(r,!1)||(s.getDepthTexture()===this.depthTexture&&s.setDepthTexture(null),this.deleteDepthTexture())}this.autoRenderToScreen&&t===e.length&&(s.renderToScreen=!1,e.length>0&&(e[e.length-1].renderToScreen=!0))}}removeAllPasses(){let s=this.passes;this.deleteDepthTexture(),s.length>0&&(this.autoRenderToScreen&&(s[s.length-1].renderToScreen=!1),this.passes=[])}render(s){let e=this.renderer,t=this.copyPass,n=this.inputBuffer,i=this.outputBuffer,r=!1,a,o,l;for(let c of this.passes)c.enabled&&(c.render(e,n,i,s,r),c.needsSwap&&(r&&(t.renderToScreen=c.renderToScreen,a=e.getContext(),o=e.state.buffers.stencil,o.setFunc(a.NOTEQUAL,1,4294967295),t.render(e,n,i,s,r),o.setFunc(a.EQUAL,1,4294967295)),l=n,n=i,i=l),c instanceof AA?r=!0:c instanceof Kb&&(r=!1))}setSize(s,e,t){let n=this.renderer;if(s===void 0||e===void 0){let o=n.getSize(new U);s=o.width,e=o.height}else n.setSize(s,e,t);let i=n.getDrawingBufferSize(new U),r=this.inputBuffer,a=this.outputBuffer;r.setSize(i.width,i.height),a.setSize(i.width,i.height);for(let o of this.passes)o.setSize(i.width,i.height)}reset(){this.dispose(),this.autoRenderToScreen=!0}dispose(){for(let s of this.passes)s.dispose();this.passes=[],this.inputBuffer!==null&&this.inputBuffer.dispose(),this.outputBuffer!==null&&this.outputBuffer.dispose(),this.deleteDepthTexture(),this.copyPass.dispose()}};var EA=`#ifdef FRAMEBUFFER_PRECISION_HIGH
 uniform mediump sampler2D map;
 #else
 uniform lowp sampler2D map;
 #endif
-uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=clamp(texture2D(map,uv)*intensity,0.0,1.0);}`,Zp=class extends mA{constructor({blendFunction:s=lt.SCREEN,luminanceThreshold:e=.9,luminanceSmoothing:t=.025,resolutionScale:n=.5,intensity:i=1,width:r=jn.AUTO_SIZE,height:a=jn.AUTO_SIZE,kernelSize:o=Mu.LARGE}={}){super("BloomEffect",wA,{blendFunction:s,uniforms:new Map([["map",new He(null)],["intensity",new He(i)]])});this.renderTarget=new ut(1,1,{minFilter:ke,magFilter:ke,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="Bloom.Target",this.renderTarget.texture.generateMipmaps=!1,this.uniforms.get("map").value=this.renderTarget.texture,this.blurPass=new Xb({resolutionScale:n,width:r,height:a,kernelSize:o}),this.blurPass.resolution.resizable=this,this.luminancePass=new vA({renderTarget:this.renderTarget,colorOutput:!0}),this.luminancePass.resolution=this.resolution,this.luminanceMaterial.threshold=e,this.luminanceMaterial.smoothing=t}get texture(){return this.renderTarget.texture}get luminanceMaterial(){return this.luminancePass.getFullscreenMaterial()}get resolution(){return this.blurPass.resolution}get width(){return this.resolution.width}set width(s){this.resolution.width=s}get height(){return this.resolution.height}set height(s){this.resolution.height=s}get dithering(){return this.blurPass.dithering}set dithering(s){this.blurPass.dithering=s}get kernelSize(){return this.blurPass.kernelSize}set kernelSize(s){this.blurPass.kernelSize=s}get distinction(){return console.warn(this.name,"The distinction field has been removed, use .threshold and .smoothing instead."),1}set distinction(s){console.warn(this.name,"The distinction field has been removed, use .threshold and .smoothing instead.")}get intensity(){return this.uniforms.get("intensity").value}set intensity(s){this.uniforms.get("intensity").value=s}getResolutionScale(){return this.resolution.scale}setResolutionScale(s){this.resolution.scale=s}update(s,e,t){let n=this.renderTarget;this.luminancePass.enabled?(this.luminancePass.render(s,e,n),this.blurPass.render(s,n,n)):this.blurPass.render(s,e,n)}setSize(s,e){this.blurPass.setSize(s,e),this.renderTarget.setSize(this.resolution.width,this.resolution.height)}initialize(s,e,t){this.blurPass.initialize(s,e,t),!e&&t===rt&&(this.renderTarget.texture.format=Et),t!==void 0&&(this.renderTarget.texture.type=t)}};var IM=new b,BM=new me;var OM=new K;var NM=Math.PI*.5,HM=new b,zM=new b;var GM=[new Float32Array(3),new Float32Array(3)],kM=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],VM=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];var WM=[new Float32Array(2),new Float32Array(2)];var YM=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),jM=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],XM=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],QM=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];var qM=new Map([[Ut(0,0,0,0),new Float32Array([0,0,0,0])],[Ut(0,0,0,1),new Float32Array([0,0,0,1])],[Ut(0,0,1,0),new Float32Array([0,0,1,0])],[Ut(0,0,1,1),new Float32Array([0,0,1,1])],[Ut(0,1,0,0),new Float32Array([0,1,0,0])],[Ut(0,1,0,1),new Float32Array([0,1,0,1])],[Ut(0,1,1,0),new Float32Array([0,1,1,0])],[Ut(0,1,1,1),new Float32Array([0,1,1,1])],[Ut(1,0,0,0),new Float32Array([1,0,0,0])],[Ut(1,0,0,1),new Float32Array([1,0,0,1])],[Ut(1,0,1,0),new Float32Array([1,0,1,0])],[Ut(1,0,1,1),new Float32Array([1,0,1,1])],[Ut(1,1,0,0),new Float32Array([1,1,0,0])],[Ut(1,1,0,1),new Float32Array([1,1,0,1])],[Ut(1,1,1,0),new Float32Array([1,1,1,0])],[Ut(1,1,1,1),new Float32Array([1,1,1,1])]]);function Su(s,e,t){return s+(e-s)*t}function Ut(s,e,t,n){let i=Su(s,e,1-.25),r=Su(t,n,1-.25);return Su(i,r,1-.125)}function Jp(){return`
+uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=clamp(texture2D(map,uv)*intensity,0.0,1.0);}`,qp=class extends yA{constructor({blendFunction:s=ft.SCREEN,luminanceThreshold:e=.9,luminanceSmoothing:t=.025,resolutionScale:n=.5,intensity:i=1,width:r=Wn.AUTO_SIZE,height:a=Wn.AUTO_SIZE,kernelSize:o=xu.LARGE}={}){super("BloomEffect",EA,{blendFunction:s,uniforms:new Map([["map",new Oe(null)],["intensity",new Oe(i)]])});this.renderTarget=new rt(1,1,{minFilter:ke,magFilter:ke,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="Bloom.Target",this.renderTarget.texture.generateMipmaps=!1,this.uniforms.get("map").value=this.renderTarget.texture,this.blurPass=new Jb({resolutionScale:n,width:r,height:a,kernelSize:o}),this.blurPass.resolution.resizable=this,this.luminancePass=new bA({renderTarget:this.renderTarget,colorOutput:!0}),this.luminancePass.resolution=this.resolution,this.luminanceMaterial.threshold=e,this.luminanceMaterial.smoothing=t}get texture(){return this.renderTarget.texture}get luminanceMaterial(){return this.luminancePass.getFullscreenMaterial()}get resolution(){return this.blurPass.resolution}get width(){return this.resolution.width}set width(s){this.resolution.width=s}get height(){return this.resolution.height}set height(s){this.resolution.height=s}get dithering(){return this.blurPass.dithering}set dithering(s){this.blurPass.dithering=s}get kernelSize(){return this.blurPass.kernelSize}set kernelSize(s){this.blurPass.kernelSize=s}get distinction(){return console.warn(this.name,"The distinction field has been removed, use .threshold and .smoothing instead."),1}set distinction(s){console.warn(this.name,"The distinction field has been removed, use .threshold and .smoothing instead.")}get intensity(){return this.uniforms.get("intensity").value}set intensity(s){this.uniforms.get("intensity").value=s}getResolutionScale(){return this.resolution.scale}setResolutionScale(s){this.resolution.scale=s}update(s,e,t){let n=this.renderTarget;this.luminancePass.enabled?(this.luminancePass.render(s,e,n),this.blurPass.render(s,n,n)):this.blurPass.render(s,e,n)}setSize(s,e){this.blurPass.setSize(s,e),this.renderTarget.setSize(this.resolution.width,this.resolution.height)}initialize(s,e,t){this.blurPass.initialize(s,e,t),!e&&t===it&&(this.renderTarget.texture.format=Pt),t!==void 0&&(this.renderTarget.texture.type=t)}};var UM=new A,NM=new ge;var zM=new ee;var kM=Math.PI*.5,VM=new A,WM=new A;var jM=[new Float32Array(3),new Float32Array(3)],YM=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],XM=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];var QM=[new Float32Array(2),new Float32Array(2)];var qM=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),ZM=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],JM=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],KM=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];var $M=new Map([[Ut(0,0,0,0),new Float32Array([0,0,0,0])],[Ut(0,0,0,1),new Float32Array([0,0,0,1])],[Ut(0,0,1,0),new Float32Array([0,0,1,0])],[Ut(0,0,1,1),new Float32Array([0,0,1,1])],[Ut(0,1,0,0),new Float32Array([0,1,0,0])],[Ut(0,1,0,1),new Float32Array([0,1,0,1])],[Ut(0,1,1,0),new Float32Array([0,1,1,0])],[Ut(0,1,1,1),new Float32Array([0,1,1,1])],[Ut(1,0,0,0),new Float32Array([1,0,0,0])],[Ut(1,0,0,1),new Float32Array([1,0,0,1])],[Ut(1,0,1,0),new Float32Array([1,0,1,0])],[Ut(1,0,1,1),new Float32Array([1,0,1,1])],[Ut(1,1,0,0),new Float32Array([1,1,0,0])],[Ut(1,1,0,1),new Float32Array([1,1,0,1])],[Ut(1,1,1,0),new Float32Array([1,1,1,0])],[Ut(1,1,1,1),new Float32Array([1,1,1,1])]]);function Au(s,e,t){return s+(e-s)*t}function Ut(s,e,t,n){let i=Au(s,e,1-.25),r=Au(t,n,1-.25);return Au(i,r,1-.125)}function Zp(){return`
     varying vec3 vColor;
     uniform sampler2D texture;
 
     void main() {
       gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord);
     }
-  `}function Kp(){return`
+  `}function Jp(){return`
     attribute vec3 fuzzColor;
     attribute vec3 origin;
     varying vec3 vColor;
@@ -3285,7 +3312,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
       float F = F0;
 
       float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);
-      float r = ${vu().toFixed(1)} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));
+      float r = ${du().toFixed(1)} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));
 
       // Compute heliocentric coords.
       float i_rad = i;
@@ -3322,7 +3349,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
       float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));
 
       // Compute radius vector.
-      float r = ${vu().toFixed(1)} * a * (1.0 - e * e) / (1.0 + e * cos(v));
+      float r = ${du().toFixed(1)} * a * (1.0 - e * e) / (1.0 + e * cos(v));
 
       // Compute heliocentric coords.
       float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));
@@ -3348,14 +3375,14 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
       gl_Position = projectionMatrix * mvPosition;
       gl_PointSize = size;
     }
-  `}var $o=`
+  `}var Ko=`
     varying vec3 vColor;
 
     void main() {
       float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));
       gl_FragColor = vec4(vColor, a);
     }
-`,el=`
+`,$o=`
     attribute float size;
     varying vec3 vColor;
 
@@ -3365,7 +3392,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
         gl_PointSize = size;
         gl_Position = projectionMatrix * mvPosition;
     }
-`;var $p=`
+`;var Kp=`
   uniform vec3 lightPos;
 
   varying vec2 vUv;
@@ -3390,7 +3417,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
     vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;
     gl_Position = projectionMatrix * vec4(vecPos, 1.0);
   }
-`,em=`
+`,$p=`
   uniform float c;
   uniform float p;
   uniform vec3 color;
@@ -3411,7 +3438,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
 
     gl_FragColor = vec4(color, 1.0) * intensity * addedLights;
   }
-`,tm=`
+`,em=`
   uniform vec3 lightPos;
 
   varying vec2 vUv;
@@ -3428,7 +3455,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
 
     gl_Position = projectionMatrix * vViewPosition4;
   }
-`,nm=`
+`,tm=`
   uniform sampler2D sphereTexture;
 
   varying vec2 vUv;
@@ -3442,7 +3469,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
     float lambertian = max(dot(normal, lightDir), 0.0);
     gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0);
   }
-`,im=`
+`,nm=`
   varying vec3 vPos;
   varying vec3 vWorldPosition;
   varying vec3 vNormal;
@@ -3455,7 +3482,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
     vNormal = normalMatrix * normal;
     vWorldPosition = worldPosition.xyz;
   }
-`,rm=`
+`,im=`
   uniform sampler2D ringTexture;
   uniform float innerRadius;
   uniform float outerRadius;
@@ -3508,11 +3535,11 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv
     // https://github.com/typpo/spacekit/issues/22
     gl_FragColor = vec4(lights() * shadow(), 1.0) * color();
   }
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t=this.vertices.length;for(let n=0,i=e.length;n<i;n++){let r=this.parseVertexIndex(e[n],t);this.addVertexPoint(r),this.addColor(r)}},addLineGeometry:function(e,t){this.object.geometry.type="Line";let n=this.vertices.length,i=this.uvs.length;for(let r=0,a=e.length;r<a;r++)this.addVertexLine(this.parseVertexIndex(e[r],n));for(let r=0,a=t.length;r<a;r++)this.addUVLine(this.parseUVIndex(t[r],i))}};return s.startObject("",!1),s}var Eu=class extends St{constructor(e){super(e);this.materials=null}load(e,t,n,i){let r=this,a=new qt(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(o){try{t(r.parse(o))}catch(l){i?i(l):console.error(l),r.manager.itemError(e)}},n,i)}setMaterials(e){return this.materials=e,this}parse(e){let t=new DA;e.indexOf(`\r
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Textures must be defined in MTL files.');else if(r==="s"){if(o=i.split(" "),o.length>1){let p=o[1].trim().toLowerCase();t.object.smooth=p!=="0"&&p!=="off"}else t.object.smooth=!0;let f=t.object.currentMaterial();f&&(f.smooth=t.object.smooth)}else{if(i==="\0")continue;console.warn('THREE.OBJLoader: Unexpected line: "'+i+'"')}t.finalize();let c=new _n;if(c.materialLibraries=[].concat(t.materialLibraries),!(t.objects.length===1&&t.objects[0].geometry.vertices.length===0)===!0)for(let h=0,d=t.objects.length;h<d;h++){let f=t.objects[h],p=f.geometry,v=f.materials,x=p.type==="Line",g=p.type==="Points",m=!1;if(p.vertices.length===0)continue;let y=new le;y.setAttribute("position",new ae(p.vertices,3)),p.normals.length>0&&y.setAttribute("normal",new ae(p.normals,3)),p.colors.length>0&&(m=!0,y.setAttribute("color",new ae(p.colors,3))),p.hasUVIndices===!0&&y.setAttribute("uv",new ae(p.uvs,2));let w=[];for(let S=0,A=v.length;S<A;S++){let C=v[S],U=C.name+"_"+C.smooth+"_"+m,R=t.materials[U];if(this.materials!==null){if(R=this.materials.create(C.name),x&&R&&!(R instanceof Ze)){let P=new Ze;at.prototype.copy.call(P,R),P.color.copy(R.color),R=P}else if(g&&R&&!(R instanceof qt)){let P=new qt({size:10,sizeAttenuation:!1});at.prototype.copy.call(P,R),P.color.copy(R.color),P.map=R.map,R=P}}R===void 0&&(x?R=new Ze:g?R=new qt({size:1,sizeAttenuation:!1}):R=new es,R.name=C.name,R.flatShading=!C.smooth,R.vertexColors=m,t.materials[U]=R),w.push(R)}let M;if(w.length>1){for(let S=0,A=v.length;S<A;S++){let C=v[S];y.addGroup(C.groupStart,C.groupCount,S)}x?M=new yt(y,w):g?M=new Ot(y,w):M=new ze(y,w)}else x?M=new yt(y,w[0]):g?M=new Ot(y,w[0]):M=new ze(y,w[0]);M.name=f.name,c.add(M)}else if(t.vertices.length>0){let h=new qt({size:1,sizeAttenuation:!1}),d=new le;d.setAttribute("position",new ae(t.vertices,3)),t.colors.length>0&&t.colors[0]!==void 0&&(d.setAttribute("color",new ae(t.colors,3)),h.vertexColors=!0);let f=new Ot(d,h);c.add(f)}return c}};var CA=30;function PA(s,e,t){let n=new b(s[0],s[1],s[2]);return n.project(e),{x:(n.x+1)*t.clientWidth/2,y:(-n.y+1)*t.clientHeight/2}}var ps=class{constructor(e,t,n,i=!0){this._id=e,this._options=t||{},this._object3js=void 0,this._useEphemTable=this._options.ephemTable!==void 0,this._isStaticObject=!this._options.ephem&&!this._useEphemTable,this._simulation=n,this._context=n.getContext(),this._label=void 0,this._showLabel=!1,this._lastLabelUpdate=0,this._position=yn(this._options.position||[0,0,0]),this._orbitAround=void 0,this._scale=this._options.scale||[1,1,1],this._renderMethod=void 0,this._particleIndex=void 0,this._initialized=!1,i&&!this.init()&&console.warn(`SpaceObject ${e}: failed to initialize`)}init(){if(this.renderObject(),this._options.labelText){let e=this.createLabel();this._simulation.getSimulationElement().appendChild(e),this._label=e,this._showLabel=!0}return this._orbitPath=void 0,this._eclipticLines=void 0,this.update(this._simulation.getJd(),!0),this._initialized=!0,!0}setPositionedObject(e){this._object3js=e}renderObject(){if(this.isStaticObject())this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!1),this._renderMethod="SPRITE");else if(this._orbit=this.createOrbit(),!this._options.hideOrbit&&this._simulation&&this._simulation.addObject(this,!1),this._useEphemTable&&(this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!0),this._renderMethod="SPRITE")),!this._renderMethod){if(!this._options.ephem)throw new Error("Attempting to create a particle system, but ephemeris are not available.");this._particleIndex=this._context.objects.particles.addParticle(this._options.ephem,{particleSize:this._options.particleSize,color:this.getColor()}),this._renderMethod="PARTICLESYSTEM"}}createLabel(){let e=document.createElement("div");e.className="spacekit__object-label";let{labelText:t,labelUrl:n}=this._options;return this._options.labelUrl?e.innerHTML=`<div><a target="_blank" href="${n}">${t}</a></div>`:e.innerHTML=`<div>${t}</div>`,e.style.fontFamily="Arial",e.style.fontSize="12px",e.style.color="#fff",e.style.position="absolute",e.style.backgroundColor="#0009",e.style.outline="1px solid #5f5f5f",e}updateLabelPosition(e){if(!this._label)throw new Error("Attempted to update label position without a label");let t=this._label,n=this._simulation.getSimulationElement(),i=PA(e,this._simulation.getViewer().get3jsCamera(),n),r={left:i.x,top:i.y,right:i.x+t.clientWidth,bottom:i.y+t.clientHeight};r.left-30>0&&r.right+20<n.clientWidth&&r.top-25>0&&r.bottom<n.clientHeight?(t.style.left=`${r.left-t.clientWidth/2}px`,t.style.top=`${r.top-t.clientHeight-8}px`,t.style.visibility="visible"):t.style.visibility="hidden"}createSprite(){if(!this._options.textureUrl)throw new Error("Cannot create sprite without a textureUrl");let e=ua(this._options.textureUrl,this._context.options.basePath),t=new rn().load(e);t.encoding=_t;let n=new Vi(new ki({map:t,blending:_i,depthWrite:!1,color:this._options.theme?this._options.theme.color:16777215})),i=yn(this._scale);n.scale.set(i[0],i[1],i[2]);let r=this.getPosition(this._simulation.getJd());return n.position.set(r[0],r[1],r[2]),this.isStaticObject()&&(n.updateMatrix(),n.matrixAutoUpdate=!1),n}createOrbit(){if(this._orbit)return this._orbit;let e=this._useEphemTable?this._options.ephemTable:this._options.ephem;if(!e)throw new Error("Cannot create orbit without Ephem or EphemerisTable");return new Wn(e,{orbitPathSettings:this._options.orbitPathSettings,color:this._options.theme?this._options.theme.orbitColor:void 0,eclipticLineColor:this._options.ecliptic?this._options.ecliptic.lineColor:void 0})}shouldUpdateObjectPosition(e){return!0}orbitAround(e){this._orbitAround=e}setPosition(e,t,n){this._position[0]=wn(e),this._position[1]=wn(t),this._position[2]=wn(n)}getPosition(e){let t=this._position;if(!this._orbit)return t;let n=this._orbit.getPositionAtTime(e);if(this._orbitAround){let i=this._orbitAround.getPosition(e);return[t[0]+n[0]+i[0],t[1]+n[1]+i[1],t[2]+n[2]+i[2]]}return[t[0]+n[0],t[1]+n[1],t[2]+n[2]]}update(e,t=!1){var o,l,c;let n;if(this._label){let u=+new Date-this._lastLabelUpdate>CA;(t||this._showLabel&&u)&&(n||(n=this.getPosition(e)),this.updateLabelPosition(n),this._lastLabelUpdate=+new Date)}if(this.isStaticObject()&&!t)return;let i=!1;(this._object3js||this._label)&&(i=t||this.shouldUpdateObjectPosition(e)),this._object3js&&i&&(n=this.getPosition(e),this._object3js.position.set(n[0],n[1],n[2]));let r=!this._orbitPath||((o=this._orbit)==null?void 0:o.needsUpdateForTime(e));this._orbit&&!this._options.hideOrbit&&r&&(this._orbitPath&&this._simulation.getScene().remove(this._orbitPath),this._orbitPath=this._orbit.getOrbitShape(e,!0),this._simulation.getScene().add(this._orbitPath));let a=!this._eclipticLines||r;if(this._orbit&&this._options.ecliptic&&this._options.ecliptic.displayLines&&a&&(this._eclipticLines&&this._simulation.getScene().remove(this._eclipticLines),this._eclipticLines=this._orbit.getLinesToEcliptic(),this._simulation.getScene().add(this._eclipticLines)),this._orbitAround){let u=this._orbitAround.getPosition(e);this._renderMethod==="PARTICLESYSTEM"&&((l=this._context.objects.particles)==null||l.setParticleOrigin(this._particleIndex,u)),this._options.hideOrbit||(c=this._orbitPath)==null||c.position.set(u[0],u[1],u[2]),n||(n=this.getPosition(e))}}get3jsObjects(){let e=[];return this._object3js&&e.push(this._object3js),this._orbit&&(this._orbitPath&&e.push(this._orbitPath),this._eclipticLines&&e.push(this._eclipticLines)),e}getBoundingObject(){return Kt(this,null,function*(){return Promise.resolve(this.get3jsObjects()[0])})}getColor(){return this._options.theme&&this._options.theme.color||16777215}getOrbit(){return this._orbit}getLabelVisibility(){return this._showLabel}setLabelVisibility(e){if(!this._label)throw new Error("Attempted to set label visibility without a label");e?(this._showLabel=!0,this._label.style.display="block"):(this._showLabel=!1,this._label.style.display="none")}getId(){return this._id}isStaticObject(){return this._isStaticObject}isReady(){return this._initialized}removalCleanup(){var e;this._label&&(this._simulation.getSimulationElement().removeChild(this._label),this._label=void 0),this._particleIndex!==void 0&&((e=this._context)==null||e.objects.particles.hideParticle(this._particleIndex))}},Pn="{{assets}}/sprites/smallparticle.png",RA={SUN:{textureUrl:"{{assets}}/sprites/lensflare0.png",position:[0,0,0]},MERCURY:{textureUrl:Pn,theme:{color:9518318},ephem:on.MERCURY},VENUS:{textureUrl:Pn,theme:{color:16742195},ephem:on.VENUS},EARTH:{textureUrl:Pn,theme:{color:39629},ephem:on.EARTH},MOON:{textureUrl:Pn,theme:{color:16766720},ephem:on.MOON,particleSize:6},MARS:{textureUrl:Pn,theme:{color:10893882},ephem:on.MARS},JUPITER:{textureUrl:Pn,theme:{color:16759055},ephem:on.JUPITER},SATURN:{textureUrl:Pn,theme:{color:3368499},ephem:on.SATURN},URANUS:{textureUrl:Pn,theme:{color:39423},ephem:on.URANUS},NEPTUNE:{textureUrl:Pn,theme:{color:3355647},ephem:on.NEPTUNE},PLUTO:{textureUrl:Pn,theme:{color:13418672},ephem:on.PLUTO}};function Ru(s,e,t){let n=new Ze({linewidth:3,color:t}),i=new le().setFromPoints([yu(s).clone(),yu(e).clone()]),r=new Vt(i,n);return r.computeLineDistances(),r}function DA(){return[Ru(new b(0,0,0),new b(3,0,0),16711680),Ru(new b(0,0,0),new b(0,3,0),65280),Ru(new b(0,0,0),new b(0,0,3),255)]}var ms=class extends ps{constructor(e,t,n,i=!0){super(e,t,n,!1);this._obj=new De,this._renderMethod="ROTATING_OBJECT",super.setPositionedObject(this._obj),this._objectIsRotatable=!1,this._options.rotation&&(this._objectIsRotatable=!0),this._axisOfRotation=void 0,this._materials=[],i&&this.init()}init(){if(this._objectIsRotatable&&this.initRotation(),this._options.debug&&(this._options.debug.showAxes&&DA().forEach(e=>this._obj.add(e)),this._options.debug.showGrid)){let e=new er(3,3,16711680,16772846);e.geometry.rotateX(Math.PI/2),this._obj.add(e)}return super.init()}initRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");let{rotation:e}=this._options;if(typeof e.jd0=="undefined")return;let{PI:t}=Math,n=et.rad(e.lambdaDeg||0),i=et.rad(e.betaDeg||0),r=e.period,a=e.yorp||0,o=et.rad(e.phi0||0),l=this._simulation.getJd(),c=e.jd0,u=o+2*t/r*(l-c)+1/2*a*Math.pow(l-c,2);this._obj.rotateY(-(t/2-i)),this._obj.rotateZ(-n),this._obj.rotateZ(u)}update(e,t=!1){if(this._obj&&this._objectIsRotatable&&this._options.rotation&&this._options.rotation.enable){let n=this._options.rotation.speed||.5;this._obj.rotation.z+=n*(Math.PI/180),this._obj.rotation.z%=360}this._axisOfRotation,super.update(e,t)}get3jsObjects(){let e=super.get3jsObjects();return e.unshift(this._obj),e}startRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!0}stopRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!1}};var tl=class extends ms{constructor(e,t,n){super(e,t,n,!1);var r;if(!t.shape)throw new Error("ShapeObject requires an options.shape object");if(!((r=t.shape)==null?void 0:r.shapeUrl))throw new Error("Must specify shape.shapeUrl when creating a ShapeObject");this.shapeObj=void 0;let i=new rs;i.onProgress=(a,o,l)=>{console.info(this._id,a,"loading progress:",o,"/",l)},this.loadingPromise=new Promise(a=>{new Pu(i).load(t.shape.shapeUrl,l=>{l.traverse(c=>{if(c instanceof ze){let u=new ji({color:this._options.shape.color||13421772});c.material=u,c.geometry.scale(.05,.05,.05),this._materials.push(u)}}),this.shapeObj=l,this._obj.add(l),this._simulation&&this._simulation.addObject(this,!1),this._initialized=!0,a(this.shapeObj)})}),super.init()}getBoundingObject(){return Kt(this,null,function*(){return this.loadingPromise})}};var nl=class{constructor(e,t){this.options=e,this.id=`__skybox_${new Date().getTime()}`,this.simulation=t,this.context=t.getContext(),this.mesh=void 0,this.init()}init(){let e=new tn(1e10,32,32),t=ua(this.options.textureUrl,this.context.options.basePath),n=new rn().load(t),i=new zt({map:n,side:Ye}),r=new ze(e,i);r.rotation.x=0,r.rotation.y=-1/12*Math.PI,r.rotation.z=8/5*Math.PI,r.scale.set(-1,1,1),this.mesh=r,this.simulation&&this.simulation.addObject(this,!0)}get3jsObjects(){return this.mesh?[this.mesh]:[]}getId(){return this.id}update(){}},LA={ESO_GIGAGALAXY:{textureUrl:"{{assets}}/skybox/eso_milkyway.jpg"},ESO_LITE:{textureUrl:"{{assets}}/skybox/eso_lite.png"},NASA_TYCHO:{textureUrl:"{{assets}}/skybox/nasa_tycho.jpg"}};var il=class extends ms{constructor(e,t,n){super(e,t,n,!1);this.init()}init(){var r;let e=null;this._options.textureUrl&&(e=new rn().load(this._options.textureUrl));let t=new zr,n=this._options.levelsOfDetail||[{radii:0,segments:64}],i=this.getScaledRadius();for(let a=0;a<n.length;a+=1){let o=n[a],l=new tn(i,o.segments,o.segments),c;if(this._simulation.isUsingLightSources()){console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);let h={sphereTexture:{value:void 0},lightPos:{value:new b}};h.sphereTexture.value=e,h.lightPos.value.copy(this._simulation.getLightPosition()),c=new Qe({uniforms:h,vertexShader:tm,fragmentShader:nm,transparent:!0})}else{let h=(r=this._options.color)!=null?r:12303291;c=new zt({map:e,color:h})}let u=new ze(l,c);u.receiveShadow=!0,u.castShadow=!0,u.rotation.x=Math.PI/2,t.addLevel(u,i*o.radii)}if(this._obj.add(t),this._options.atmosphere&&this._options.atmosphere.enable){let a=this.renderFullAtmosphere();a&&this._obj.add(a)}return this._options.axialTilt&&(this._obj.rotation.y+=et.rad(this._options.axialTilt)),this._renderMethod="SPHERE",this._simulation&&this._simulation.addObject(this,!1),super.init()}getScaledRadius(){return wn(this._options.radius||1)}renderFullAtmosphere(){var o,l,c,u,h,d,f,p,v;if(!this._simulation.isUsingLightSources())return console.warn("Cannot render atmosphere without a light source"),null;let e=this.getScaledRadius(),t=new K((c=(l=(o=this._options)==null?void 0:o.atmosphere)==null?void 0:l.color)!=null?c:16777215),n=e*((d=(h=(u=this._options)==null?void 0:u.atmosphere)==null?void 0:h.innerSizeRatio)!=null?d:.025),i=e*((v=(p=(f=this._options)==null?void 0:f.atmosphere)==null?void 0:p.outerSizeRatio)!=null?v:.15),r=new De;r.add(this.renderAtmosphereComponent(e,n,.8,2,t)),r.add(this.renderAtmosphereComponent(e,i,.5,4,t));let a=new zr;return a.addLevel(r,0),a.addLevel(new De,e*24),a}renderAtmosphereComponent(e,t,n,i,r){let a=new tn(e+t,32,32),o={c:{value:n},p:{value:i},color:{value:r},lightPos:{value:new b}},l=this._simulation.getLightPosition();l&&o.lightPos.value.copy(l);let c=new Qe({uniforms:o,vertexShader:$p,fragmentShader:em,side:Ye,transparent:!0,depthWrite:!1});return new ze(a,c)}addRings(e,t,n,i=128){let r=wn(et.kmToAu(e)),a=wn(et.kmToAu(t)),o=new mi(r,a,i,5,0,Math.PI*2),l=new rn().load(n),c;if(this._simulation.isUsingLightSources()){let h=Va.merge([ne.lights,{ringTexture:{value:null},innerRadius:{value:r},outerRadius:{value:a},lightPos:{value:new b}}]);h.ringTexture.value=l,h.lightPos.value.copy(this._simulation.getLightPosition()),c=new Qe({uniforms:h,lights:!0,vertexShader:im,fragmentShader:rm,transparent:!0,alphaTest:.1,side:Nt})}else c=new zt({map:l,side:Nt,transparent:!0,alphaTest:.1,opacity:.8});let u=new ze(o,c);u.receiveShadow=!0,u.castShadow=!0,this._obj.add(u)}};var IA=4,BA=16777215,rl=class{constructor(e,t,n,i){this.options=n,this.id=e,this.simulation=i,this.points=t,this.pointObject=void 0,this.init(),this.simulation.addObject(this,!0)}init(){let e=new Float32Array(this.points.length*3),t=new Float32Array(this.points.length*3),n=new Float32Array(this.points.length),i=new K(BA);this.options.defaultColor&&(i=new K(this.options.defaultColor));let r=IA;this.options.size&&(r=this.options.size);for(let l=0,c=this.points.length;l<c;l++){let u=this.points[l];e.set(u,l*3),i.toArray(t,l*3),n[l]=r}let a=new le;a.setAttribute("position",new de(e,3)),a.setAttribute("color",new de(t,3)),a.setAttribute("size",new de(n,1));let o=new Qe({vertexColors:!0,vertexShader:el,fragmentShader:$o,transparent:!0});this.pointObject=new Ot(a,o)}get3jsObjects(){return this.pointObject?[this.pointObject]:[]}getId(){return this.id}update(){}};function FA(s){return s>=3e4?9614847:s>=1e4?10666239:s>=7500?14016767:s>=6e3?16381439:s>=5200?16772579:s>=3700?16767669:(s>=2400,16758124)}function OA(s,e){return s<2?e*4:s<4?e*2:s<6?e:1}var da=class{constructor(e,t){this._options=e,this._id=`__stars_${new Date().getTime()}`,this._simulation=t,this._context=t.getContext(),this._stars=void 0,this.init()}init(){let e=ca("{{data}}/processed/bsc.json",this._context.options.basePath);fetch(e).then(t=>t.json()).then(t=>{let n=t.length,i=new le,r=new Float32Array(n*3),a=new Float32Array(n*3),o=new Float32Array(n);i.setAttribute("position",new de(r,3)),i.setAttribute("color",new de(a,3)),i.setAttribute("size",new de(o,1)),t.forEach((c,u)=>{let[h,d,f,p]=c,v=et.rad(et.hoursToDeg(h)),x=et.rad(d),g=us.sphericalToCartesian(v,x,1e9),m=us.equatorialToEcliptic_Cartesian(g[0],g[1],g[2],us.getObliquity());r.set(m,u*3);let y=new K(FA(f));a.set(y.toArray(),u*3),o[u]=OA(p,this._options.minSize||3)});let l=new Qe({uniforms:{},vertexColors:!0,vertexShader:el,fragmentShader:$o,transparent:!0});this._stars=new Ot(i,l),this._simulation&&this._simulation.addObject(this,!0)})}get3jsObjects(){return this._stars?[this._stars]:[]}getId(){return this._id}update(){}};var um=class{constructor(e,t){this.simulationElt=e,this.options=t||{},this.options.basePath=this.options.basePath||Lp(),this.jd=typeof this.options.jd=="undefined"?Number((0,sl.default)(this.options.startDate||new Date)):this.options.jd,this.jdDelta=this.options.jdDelta,this.jdPerSecond=this.options.jdPerSecond||100,this.isPaused=t.startPaused||!1,this.onTick=void 0,this.enableCameraDrift=!1,this.cameraDefaultPos=yn([0,-10,5]),this.options.camera&&(this.enableCameraDrift=!!this.options.camera.enableDrift,this.options.camera.initialPosition&&(this.cameraDefaultPos=yn(this.options.camera.initialPosition))),this.useLightSources=!1,this.lightPosition=void 0,this.subscribedObjects={},De.DefaultUp=new b(0,0,1),this.options.unitsPerAu&&Rp(this.options.unitsPerAu),this.stats=void 0,this.fps=1,this.lastUpdatedTime=Date.now(),this.lastStaticCameraUpdateTime=Date.now(),this.lastResizeUpdateTime=Date.now(),this.renderEnabled=!0,this.initialRenderComplete=!1,this.animate=this.animate.bind(this),this.renderer=this.initRenderer(),this.scene=new kt,this.camera=new Qo(this.getContext()),this.composer=null,this.particles=new ir({textureUrl:this.options.particleTextureUrl||"{{assets}}/sprites/smallparticle.png",jd:this.jd,maxNumParticles:this.options.maxNumParticles,defaultSize:this.options.particleDefaultSize},this),this.init(),this.animate()}init(){if(this.camera.get3jsCamera().position.set(this.cameraDefaultPos[0],this.cameraDefaultPos[1],this.cameraDefaultPos[2]),this.simulationElt.onmousedown=this.simulationElt.ontouchstart=()=>{this.enableCameraDrift=!1},(()=>{let e=!1;this.camera.get3jsCameraControls().addEventListener("change",()=>{e&&this.staticForcedUpdate()}),setTimeout(()=>{this.staticForcedUpdate(),e=!0,this.initialRenderComplete=!0},0)})(),this.simulationElt.addEventListener("resize",()=>{this.resizeUpdate()}),window.addEventListener("resize",()=>{this.resizeUpdate()}),this.options.debug){if(this.options.debug.showGrid){let e=new er(void 0,void 0);e.geometry.rotateX(Math.PI/2),this.scene.add(e)}this.options.debug.showAxes&&this.scene.add(new la(.5)),this.options.debug.showStats&&(this.stats=new Gp,this.stats.showPanel(0),this.simulationElt.appendChild(this.stats.dom))}this.initPasses()}initRenderer(){let e=new Vs({antialias:!0});console.info("Max texture resolution:",e.capabilities.maxTextureSize);let t=e.capabilities.getMaxPrecision("highp");return t!=="highp"&&console.warn(`Shader maximum precision is "${t}", GPU rendering may not be accurate.`),e.setPixelRatio(window.devicePixelRatio),e.setSize(this.simulationElt.offsetWidth,this.simulationElt.offsetHeight),this.simulationElt.appendChild(e.domElement),e}initPasses(){let e=this.camera.get3jsCamera(),t=new Zp(this.scene,e,{width:240,height:240,luminanceThreshold:.2});t.inverted=!0,t.blendMode.opacity.value=2.3;let n=new jp(this.scene,e);n.renderToScreen=!1;let i=new Qp(e,t);i.renderToScreen=!0;let r=new qp(this.renderer);r.addPass(n),r.addPass(i),this.composer=r}update(e=!1){for(let t in this.subscribedObjects)this.subscribedObjects.hasOwnProperty(t)&&this.subscribedObjects[t].update(this.jd,e)}staticForcedUpdate(){if(this.isPaused){let e=Date.now();e-this.lastStaticCameraUpdateTime>30&&(this.update(!0),this.lastStaticCameraUpdateTime=e)}}resizeUpdate(){let e=Date.now();if(e-this.lastResizeUpdateTime>30){let i=this.simulationElt.offsetWidth,r=this.simulationElt.offsetHeight;if(i===0&&r===0)return;let a=this.camera.get3jsCamera();a.aspect=i/r,a.updateProjectionMatrix(),this.renderer.setSize(i,r),this.staticForcedUpdate(),this.lastResizeUpdateTime=e}}doCameraDrift(){let e=1e-4*Date.now(),t=this.cameraDefaultPos,n=this.camera.get3jsCamera();n.position.x=t[0]+t[0]*(Math.cos(e)+1)/3,n.position.z=t[2]+t[2]*(Math.sin(e)+1)/3}animate(){if(!(!this.renderEnabled&&this.initialRenderComplete)){if(window.requestAnimationFrame(this.animate),this.stats&&this.stats.begin(),!this.isPaused){this.jdDelta?this.jd+=this.jdDelta:this.jd+=this.jdPerSecond/this.fps;let e=(Date.now()-this.lastUpdatedTime)/1e3;this.lastUpdatedTime=Date.now(),this.fps=1/e||1,this.update()}this.enableCameraDrift&&this.doCameraDrift(),this.camera.update(),this.renderer.render(this.scene,this.camera.get3jsCamera()),this.onTick&&this.onTick(),this.stats&&this.stats.end()}}addObject(e,t=!1){if(e.get3jsObjects().map(n=>{this.scene.add(n)}),!t){let n=e.getId();this.subscribedObjects[n]&&console.error(`Object id is not unique: "${n}". This could prevent objects from updating correctly.`),this.subscribedObjects[n]=e}}removeObject(e){e.get3jsObjects().map(t=>{this.scene.remove(t)}),typeof e.removalCleanup=="function"&&e.removalCleanup(),delete this.subscribedObjects[e.getId()]}createObject(...e){return new ps(...e,this)}createShape(...e){return new tl(...e,this)}createSphere(...e){return new il(...e,this)}createStaticParticles(...e){return new rl(...e,this)}createSkybox(...e){return new nl(...e,this)}createStars(...e){return e.length?new da(...e,this):new da({},this)}createAmbientLight(e=3355443){this.scene.add(new ls(e)),this.useLightSources=!0}createLight(e=void 0,t=16777215){this.lightPosition&&console.warn("Spacekit doesn't support more than one light source for SphereObjects"),this.lightPosition=new b;let n=new os;if(typeof e=="undefined")this.camera.get3jsCameraControls().addEventListener("change",()=>{this.lightPosition.copy(this.camera.get3jsCamera().position),n.position.copy(this.camera.get3jsCamera().position)});else{let i=yn(e);this.lightPosition.set(i[0],i[1],i[2]),n.position.set(i[0],i[1],i[2])}this.scene.add(n),this.useLightSources=!0}getLightPosition(){return this.lightPosition}isUsingLightSources(){return this.useLightSources}loadNaturalSatellites(){return new Zo(this).load()}renderOnlyInViewport(){let e=!0,t=()=>{let n=this.simulationElt.getBoundingClientRect(),i=window.innerHeight||document.documentElement.clientHeight,r=window.innerWidth||document.documentElement.clientWidth,a=n.top<=i&&n.top+n.height>=0,o=n.left<=r&&n.left+n.width>=0;return a&&o};window.addEventListener("scroll",()=>{let n=t();e&&!n?(this.renderEnabled=!1,e=!1):!e&&n&&(this.renderEnabled=!0,window.requestAnimationFrame(this.animate),e=!0)}),t()||(this.renderEnabled=!1,e=!1)}zoomToFit(e,t=3){return Kt(this,null,function*(){let n=e.getOrbit(),i=n?n.getOrbitShape():yield e.getBoundingObject();return i?(this.doZoomToFit(i,t),!0):!1})}doZoomToFit(e,t){let n=new It;n.setFromObject(e);let i=new b;n.getCenter(i);let r=new b;n.getSize(r);let a=this.camera.get3jsCamera(),o=Math.max(r.x,r.y,r.z),l=a.fov*(Math.PI/180),c=Math.abs(o/2*Math.tan(l*2))*t,u=new b;e.getWorldPosition(u);let f=a.position.sub(u).normalize().multiplyScalar(c);a.position.x=f.x,a.position.y=f.y,a.position.z=f.z,a.updateProjectionMatrix(),this.cameraDefaultPos=[f.x,f.y,f.z]}start(){this.lastUpdatedTime=Date.now(),this.isPaused=!1}stop(){this.isPaused=!0}getJd(){return this.jd}setJd(e){this.jd=e,this.update(!0)}getDate(){return sl.default.toDate(this.jd)}setDate(e){this.setJd(Number((0,sl.default)(e)))}getJdDelta(){return this.jdDelta?this.jdDelta:this.jdPerSecond/this.fps}setJdDelta(e){this.jdDelta=e}getJdPerSecond(){if(!this.jdDelta)return this.jdPerSecond}setJdPerSecond(e){this.jdDelta=void 0,this.jdPerSecond=e}getContext(){return{simulation:this,options:this.options,objects:{particles:this.particles,camera:this.camera,scene:this.scene,renderer:this.renderer,composer:this.composer},container:{width:this.simulationElt.offsetWidth,height:this.simulationElt.offsetHeight}}}getSimulationElement(){return this.simulationElt}getViewer(){return this.camera}getScene(){return this.scene}getRenderer(){return this.renderer}setCameraDrift(e){this.enableCameraDrift=e}};var UA=fu;return NA;})();
+`),i="",r="",a=0,o=[],l=typeof"".trimLeft=="function";for(let h=0,d=n.length;h<d;h++)if(i=n[h],i=l?i.trimLeft():i.trim(),a=i.length,a!==0&&(r=i.charAt(0),r!=="#"))if(r==="v"){let f=i.split(/\s+/);switch(f[0]){case"v":t.vertices.push(parseFloat(f[1]),parseFloat(f[2]),parseFloat(f[3])),f.length>=7?t.colors.push(parseFloat(f[4]),parseFloat(f[5]),parseFloat(f[6])):t.colors.push(void 0,void 0,void 0);break;case"vn":t.normals.push(parseFloat(f[1]),parseFloat(f[2]),parseFloat(f[3]));break;case"vt":t.uvs.push(parseFloat(f[1]),parseFloat(f[2]));break}}else if(r==="f"){let p=i.substr(1).trim().split(/\s+/),v=[];for(let g=0,m=p.length;g<m;g++){let w=p[g];if(w.length>0){let y=w.split("/");v.push(y)}}let x=v[0];for(let g=1,m=v.length-1;g<m;g++){let w=v[g],y=v[g+1];t.addFace(x[0],w[0],y[0],x[1],w[1],y[1],x[2],w[2],y[2])}}else if(r==="l"){let f=i.substring(1).trim().split(" "),p=[],v=[];if(i.indexOf("/")===-1)p=f;else for(let x=0,g=f.length;x<g;x++){let m=f[x].split("/");m[0]!==""&&p.push(m[0]),m[1]!==""&&v.push(m[1])}t.addLineGeometry(p,v)}else if(r==="p"){let p=i.substr(1).trim().split(" ");t.addPointGeometry(p)}else if((o=SA.exec(i))!==null){let f=(" "+o[0].substr(1).trim()).substr(1);t.startObject(f)}else if(RA.test(i))t.object.startMaterial(i.substring(7).trim(),t.materialLibraries);else if(CA.test(i))t.materialLibraries.push(i.substring(7).trim());else if(PA.test(i))console.warn('THREE.OBJLoader: Rendering identifier "usemap" not supported. Textures must be defined in MTL files.');else if(r==="s"){if(o=i.split(" "),o.length>1){let p=o[1].trim().toLowerCase();t.object.smooth=p!=="0"&&p!=="off"}else t.object.smooth=!0;let f=t.object.currentMaterial();f&&(f.smooth=t.object.smooth)}else{if(i==="\0")continue;console.warn('THREE.OBJLoader: Unexpected line: "'+i+'"')}t.finalize();let c=new wn;if(c.materialLibraries=[].concat(t.materialLibraries),!(t.objects.length===1&&t.objects[0].geometry.vertices.length===0)===!0)for(let h=0,d=t.objects.length;h<d;h++){let f=t.objects[h],p=f.geometry,v=f.materials,x=p.type==="Line",g=p.type==="Points",m=!1;if(p.vertices.length===0)continue;let w=new de;w.setAttribute("position",new ce(p.vertices,3)),p.normals.length>0&&w.setAttribute("normal",new ce(p.normals,3)),p.colors.length>0&&(m=!0,w.setAttribute("color",new ce(p.colors,3))),p.hasUVIndices===!0&&w.setAttribute("uv",new ce(p.uvs,2));let y=[];for(let S=0,b=v.length;S<b;S++){let R=v[S],I=R.name+"_"+R.smooth+"_"+m,L=t.materials[I];if(this.materials!==null){if(L=this.materials.create(R.name),x&&L&&!(L instanceof Ze)){let P=new Ze;ht.prototype.copy.call(P,L),P.color.copy(L.color),L=P}else if(g&&L&&!(L instanceof Qt)){let P=new Qt({size:10,sizeAttenuation:!1});ht.prototype.copy.call(P,L),P.color.copy(L.color),P.map=L.map,L=P}}L===void 0&&(x?L=new Ze:g?L=new Qt({size:1,sizeAttenuation:!1}):L=new es,L.name=R.name,L.flatShading=!R.smooth,L.vertexColors=m,t.materials[I]=L),y.push(L)}let M;if(y.length>1){for(let S=0,b=v.length;S<b;S++){let R=v[S];w.addGroup(R.groupStart,R.groupCount,S)}x?M=new At(w,y):g?M=new Ot(w,y):M=new He(w,y)}else x?M=new At(w,y[0]):g?M=new Ot(w,y[0]):M=new He(w,y[0]);M.name=f.name,c.add(M)}else if(t.vertices.length>0){let h=new Qt({size:1,sizeAttenuation:!1}),d=new de;d.setAttribute("position",new ce(t.vertices,3)),t.colors.length>0&&t.colors[0]!==void 0&&(d.setAttribute("color",new ce(t.colors,3)),h.vertexColors=!0);let f=new Ot(d,h);c.add(f)}return c}};var LA=30;function IA(s,e,t){let n=new A(s[0],s[1],s[2]);return n.project(e),{x:(n.x+1)*t.clientWidth/2,y:(-n.y+1)*t.clientHeight/2}}var fs=class{constructor(e,t,n,i=!0){this._id=e,this._options=t||{},this._object3js=void 0,this._useEphemTable=this._options.ephemTable!==void 0,this._isStaticObject=!this._options.ephem&&!this._useEphemTable,this._simulation=n,this._context=n.getContext(),this._label=void 0,this._showLabel=!1,this._lastLabelUpdate=0,this._position=vn(this._options.position||[0,0,0]),this._orbitAround=void 0,this._scale=this._options.scale||[1,1,1],this._renderMethod=void 0,this._particleIndex=void 0,this._initialized=!1,i&&!this.init()&&console.warn(`SpaceObject ${e}: failed to initialize`)}init(){if(this.renderObject(),this._options.labelText){let e=this.createLabel();this._simulation.getSimulationElement().appendChild(e),this._label=e,this._showLabel=!0}return this._orbitPath=void 0,this._eclipticLines=void 0,this.update(this._simulation.getJd(),!0),this._initialized=!0,!0}setPositionedObject(e){this._object3js=e}renderObject(){if(this.isStaticObject())this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!1),this._renderMethod="SPRITE");else if(this._orbit=this.createOrbit(),!this._options.hideOrbit&&this._simulation&&this._simulation.addObject(this,!1),this._useEphemTable&&(this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!0),this._renderMethod="SPRITE")),!this._renderMethod){if(!this._options.ephem)throw new Error("Attempting to create a particle system, but ephemeris are not available.");this._particleIndex=this._context.objects.particles.addParticle(this._options.ephem,{particleSize:this._options.particleSize,color:this.getColor()}),this._renderMethod="PARTICLESYSTEM"}}createLabel(){let e=document.createElement("div");e.className="spacekit__object-label";let{labelText:t,labelUrl:n}=this._options;return this._options.labelUrl?e.innerHTML=`<div><a target="_blank" href="${n}">${t}</a></div>`:e.innerHTML=`<div>${t}</div>`,e.style.fontFamily="Arial",e.style.fontSize="12px",e.style.color="#fff",e.style.position="absolute",e.style.backgroundColor="#0009",e.style.outline="1px solid #5f5f5f",e}updateLabelPosition(e){if(!this._label)throw new Error("Attempted to update label position without a label");let t=this._label,n=this._simulation.getSimulationElement(),i=IA(e,this._simulation.getViewer().get3jsCamera(),n),r={left:i.x,top:i.y,right:i.x+t.clientWidth,bottom:i.y+t.clientHeight};r.left-30>0&&r.right+20<n.clientWidth&&r.top-25>0&&r.bottom<n.clientHeight?(t.style.left=`${r.left-t.clientWidth/2}px`,t.style.top=`${r.top-t.clientHeight-8}px`,t.style.visibility="visible"):t.style.visibility="hidden"}createSprite(){if(!this._options.textureUrl)throw new Error("Cannot create sprite without a textureUrl");let e=da(this._options.textureUrl,this._context.options.basePath),t=new tn().load(e);t.encoding=_t;let n=new ji(new Wi({map:t,blending:_i,depthWrite:!1,color:this._options.theme?this._options.theme.color:16777215})),i=vn(this._scale);n.scale.set(i[0],i[1],i[2]);let r=this.getPosition(this._simulation.getJd());return n.position.set(r[0],r[1],r[2]),this.isStaticObject()&&(n.updateMatrix(),n.matrixAutoUpdate=!1),n}createOrbit(){if(this._orbit)return this._orbit;let e=this._useEphemTable?this._options.ephemTable:this._options.ephem;if(!e)throw new Error("Cannot create orbit without Ephem or EphemerisTable");return new kn(e,{orbitPathSettings:this._options.orbitPathSettings,color:this._options.theme?this._options.theme.orbitColor:void 0,eclipticLineColor:this._options.ecliptic?this._options.ecliptic.lineColor:void 0})}shouldUpdateObjectPosition(e){return!0}orbitAround(e){this._orbitAround=e}setPosition(e,t,n){this._position[0]=xn(e),this._position[1]=xn(t),this._position[2]=xn(n)}getPosition(e){let t=this._position;if(!this._orbit)return t;let n=this._orbit.getPositionAtTime(e);if(this._orbitAround){let i=this._orbitAround.getPosition(e);return[t[0]+n[0]+i[0],t[1]+n[1]+i[1],t[2]+n[2]+i[2]]}return[t[0]+n[0],t[1]+n[1],t[2]+n[2]]}update(e,t=!1){var o,l,c;let n;if(this._label){let u=+new Date-this._lastLabelUpdate>LA;(t||this._showLabel&&u)&&(n||(n=this.getPosition(e)),this.updateLabelPosition(n),this._lastLabelUpdate=+new Date)}if(this.isStaticObject()&&!t)return;let i=!1;(this._object3js||this._label)&&(i=t||this.shouldUpdateObjectPosition(e)),this._object3js&&i&&(n=this.getPosition(e),this._object3js.position.set(n[0],n[1],n[2]));let r=!this._orbitPath||((o=this._orbit)==null?void 0:o.needsUpdateForTime(e));this._orbit&&!this._options.hideOrbit&&r&&(this._orbitPath&&this._simulation.getScene().remove(this._orbitPath),this._orbitPath=this._orbit.getOrbitShape(e,!0),this._simulation.getScene().add(this._orbitPath));let a=!this._eclipticLines||r;if(this._orbit&&this._options.ecliptic&&this._options.ecliptic.displayLines&&a&&(this._eclipticLines&&this._simulation.getScene().remove(this._eclipticLines),this._eclipticLines=this._orbit.getLinesToEcliptic(),this._simulation.getScene().add(this._eclipticLines)),this._orbitAround){let u=this._orbitAround.getPosition(e);this._renderMethod==="PARTICLESYSTEM"&&((l=this._context.objects.particles)==null||l.setParticleOrigin(this._particleIndex,u)),this._options.hideOrbit||(c=this._orbitPath)==null||c.position.set(u[0],u[1],u[2]),n||(n=this.getPosition(e))}}get3jsObjects(){let e=[];return this._object3js&&e.push(this._object3js),this._orbit&&(this._orbitPath&&e.push(this._orbitPath),this._eclipticLines&&e.push(this._eclipticLines)),e}getBoundingObject(){return Zt(this,null,function*(){return Promise.resolve(this.get3jsObjects()[0])})}getColor(){return this._options.theme&&this._options.theme.color||16777215}getOrbit(){return this._orbit}getLabelVisibility(){return this._showLabel}setLabelVisibility(e){if(!this._label)throw new Error("Attempted to set label visibility without a label");e?(this._showLabel=!0,this._label.style.display="block"):(this._showLabel=!1,this._label.style.display="none")}getId(){return this._id}isStaticObject(){return this._isStaticObject}isReady(){return this._initialized}removalCleanup(){var e;this._label&&(this._simulation.getSimulationElement().removeChild(this._label),this._label=void 0),this._particleIndex!==void 0&&((e=this._context)==null||e.objects.particles.hideParticle(this._particleIndex))}},_n="{{assets}}/sprites/smallparticle.png",BA={SUN:{textureUrl:"{{assets}}/sprites/lensflare0.png",position:[0,0,0]},MERCURY:{textureUrl:_n,theme:{color:9518318},ephem:sn.MERCURY},VENUS:{textureUrl:_n,theme:{color:16742195},ephem:sn.VENUS},EARTH:{textureUrl:_n,theme:{color:39629},ephem:sn.EARTH},MOON:{textureUrl:_n,theme:{color:16766720},ephem:sn.MOON,particleSize:6},MARS:{textureUrl:_n,theme:{color:10893882},ephem:sn.MARS},JUPITER:{textureUrl:_n,theme:{color:16759055},ephem:sn.JUPITER},SATURN:{textureUrl:_n,theme:{color:3368499},ephem:sn.SATURN},URANUS:{textureUrl:_n,theme:{color:39423},ephem:sn.URANUS},NEPTUNE:{textureUrl:_n,theme:{color:3355647},ephem:sn.NEPTUNE},PLUTO:{textureUrl:_n,theme:{color:13418672},ephem:sn.PLUTO}};function _u(s,e,t){let n=new Ze({linewidth:3,color:t}),i=new de().setFromPoints([pu(s).clone(),pu(e).clone()]),r=new Vt(i,n);return r.computeLineDistances(),r}function FA(){return[_u(new A(0,0,0),new A(3,0,0),16711680),_u(new A(0,0,0),new A(0,3,0),65280),_u(new A(0,0,0),new A(0,0,3),255)]}var ps=class extends fs{constructor(e,t,n,i=!0){super(e,t,n,!1);this._obj=new Te,this._renderMethod="ROTATING_OBJECT",super.setPositionedObject(this._obj),this._objectIsRotatable=!1,this._options.rotation&&(this._objectIsRotatable=!0),this._axisOfRotation=void 0,this._materials=[],i&&this.init()}init(){if(this._objectIsRotatable&&this.initRotation(),this._options.debug&&(this._options.debug.showAxes&&FA().forEach(e=>this._obj.add(e)),this._options.debug.showGrid)){let e=new ir(3,3,16711680,16772846);e.geometry.rotateX(Math.PI/2),this._obj.add(e)}return super.init()}initRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");let{rotation:e}=this._options;if(typeof e.jd0=="undefined")return;let{PI:t}=Math,n=tt.rad(e.lambdaDeg||0),i=tt.rad(e.betaDeg||0),r=e.period,a=e.yorp||0,o=tt.rad(e.phi0||0),l=this._simulation.getJd(),c=e.jd0,u=o+2*t/r*(l-c)+1/2*a*Math.pow(l-c,2);this._obj.rotateY(-(t/2-i)),this._obj.rotateZ(-n),this._obj.rotateZ(u)}update(e,t=!1){if(this._obj&&this._objectIsRotatable&&this._options.rotation&&this._options.rotation.enable){let n=this._options.rotation.speed||.5;this._obj.rotation.z+=n*(Math.PI/180),this._obj.rotation.z%=360}this._axisOfRotation,super.update(e,t)}get3jsObjects(){let e=super.get3jsObjects();return e.unshift(this._obj),e}startRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!0}stopRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!1}};var el=class extends ps{constructor(e,t,n){super(e,t,n,!1);var r;if(!t.shape)throw new Error("ShapeObject requires an options.shape object");if(!((r=t.shape)==null?void 0:r.shapeUrl))throw new Error("Must specify shape.shapeUrl when creating a ShapeObject");this.shapeObj=void 0;let i=new rs;i.onProgress=(a,o,l)=>{console.info(this._id,a,"loading progress:",o,"/",l)},this.loadingPromise=new Promise(a=>{new Eu(i).load(t.shape.shapeUrl,l=>{l.traverse(c=>{if(c instanceof He){let u=new Qi({color:this._options.shape.color||13421772});c.material=u,c.geometry.scale(.05,.05,.05),this._materials.push(u)}}),this.shapeObj=l,this._obj.add(l),this._simulation&&this._simulation.addObject(this,!1),this._initialized=!0,a(this.shapeObj)})}),super.init()}getBoundingObject(){return Zt(this,null,function*(){return this.loadingPromise})}};var tl=class{constructor(e,t){this.options=e,this.id=`__skybox_${new Date().getTime()}`,this.simulation=t,this.context=t.getContext(),this.mesh=void 0,this.init()}init(){let e=new $t(1e10,32,32),t=da(this.options.textureUrl,this.context.options.basePath),n=new tn().load(t),i=new zt({map:n,side:je}),r=new He(e,i);r.rotation.x=0,r.rotation.y=-1/12*Math.PI,r.rotation.z=8/5*Math.PI,r.scale.set(-1,1,1),this.mesh=r,this.simulation&&this.simulation.addObject(this,!0)}get3jsObjects(){return this.mesh?[this.mesh]:[]}getId(){return this.id}update(){}},OA={ESO_GIGAGALAXY:{textureUrl:"{{assets}}/skybox/eso_milkyway.jpg"},ESO_LITE:{textureUrl:"{{assets}}/skybox/eso_lite.png"},NASA_TYCHO:{textureUrl:"{{assets}}/skybox/nasa_tycho.jpg"}};var nl=class extends ps{constructor(e,t,n){super(e,t,n,!1);this.init()}init(){var r;let e=null;this._options.textureUrl&&(e=new tn().load(this._options.textureUrl));let t=new zr,n=this._options.levelsOfDetail||[{radii:0,segments:64}],i=this.getScaledRadius();for(let a=0;a<n.length;a+=1){let o=n[a],l=new $t(i,o.segments,o.segments),c;if(this._simulation.isUsingLightSources()){console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);let h={sphereTexture:{value:void 0},lightPos:{value:new A}};h.sphereTexture.value=e,h.lightPos.value.copy(this._simulation.getLightPosition()),c=new qe({uniforms:h,vertexShader:em,fragmentShader:tm,transparent:!0})}else{let h=(r=this._options.color)!=null?r:12303291;c=new zt({map:e,color:h})}let u=new He(l,c);u.receiveShadow=!0,u.castShadow=!0,u.rotation.x=Math.PI/2,t.addLevel(u,i*o.radii)}if(this._obj.add(t),this._options.atmosphere&&this._options.atmosphere.enable){let a=this.renderFullAtmosphere();a&&this._obj.add(a)}return this._options.axialTilt&&(this._obj.rotation.y+=tt.rad(this._options.axialTilt)),this._renderMethod="SPHERE",this._simulation&&this._simulation.addObject(this,!1),super.init()}getScaledRadius(){return xn(this._options.radius||1)}renderFullAtmosphere(){var o,l,c,u,h,d,f,p,v;if(!this._simulation.isUsingLightSources())return console.warn("Cannot render atmosphere without a light source"),null;let e=this.getScaledRadius(),t=new ee((c=(l=(o=this._options)==null?void 0:o.atmosphere)==null?void 0:l.color)!=null?c:16777215),n=e*((d=(h=(u=this._options)==null?void 0:u.atmosphere)==null?void 0:h.innerSizeRatio)!=null?d:.025),i=e*((v=(p=(f=this._options)==null?void 0:f.atmosphere)==null?void 0:p.outerSizeRatio)!=null?v:.15),r=new Te;r.add(this.renderAtmosphereComponent(e,n,.8,2,t)),r.add(this.renderAtmosphereComponent(e,i,.5,4,t));let a=new zr;return a.addLevel(r,0),a.addLevel(new Te,e*24),a}renderAtmosphereComponent(e,t,n,i,r){let a=new $t(e+t,32,32),o={c:{value:n},p:{value:i},color:{value:r},lightPos:{value:new A}},l=this._simulation.getLightPosition();l&&o.lightPos.value.copy(l);let c=new qe({uniforms:o,vertexShader:Kp,fragmentShader:$p,side:je,transparent:!0,depthWrite:!1});return new He(a,c)}addRings(e,t,n,i=128){let r=xn(tt.kmToAu(e)),a=xn(tt.kmToAu(t)),o=new fi(r,a,i,5,0,Math.PI*2),l=new tn().load(n),c;if(this._simulation.isUsingLightSources()){let h=Ya.merge([se.lights,{ringTexture:{value:null},innerRadius:{value:r},outerRadius:{value:a},lightPos:{value:new A}}]);h.ringTexture.value=l,h.lightPos.value.copy(this._simulation.getLightPosition()),c=new qe({uniforms:h,lights:!0,vertexShader:nm,fragmentShader:im,transparent:!0,alphaTest:.1,side:Nt})}else c=new zt({map:l,side:Nt,transparent:!0,alphaTest:.1,opacity:.8});let u=new He(o,c);u.receiveShadow=!0,u.castShadow=!0,this._obj.add(u)}};var UA=4,NA=16777215,il=class{constructor(e,t,n,i){this.options=n,this.id=e,this.simulation=i,this.points=t,this.pointObject=void 0,this.init(),this.simulation.addObject(this,!0)}init(){let e=new Float32Array(this.points.length*3),t=new Float32Array(this.points.length*3),n=new Float32Array(this.points.length),i=new ee(NA);this.options.defaultColor&&(i=new ee(this.options.defaultColor));let r=UA;this.options.size&&(r=this.options.size);for(let l=0,c=this.points.length;l<c;l++){let u=this.points[l];e.set(u,l*3),i.toArray(t,l*3),n[l]=r}let a=new de;a.setAttribute("position",new pe(e,3)),a.setAttribute("color",new pe(t,3)),a.setAttribute("size",new pe(n,1));let o=new qe({vertexColors:!0,vertexShader:$o,fragmentShader:Ko,transparent:!0});this.pointObject=new Ot(a,o)}get3jsObjects(){return this.pointObject?[this.pointObject]:[]}getId(){return this.id}update(){}};function HA(s){return s>=3e4?9614847:s>=1e4?10666239:s>=7500?14016767:s>=6e3?16381439:s>=5200?16772579:s>=3700?16767669:(s>=2400,16758124)}function zA(s,e){return s<2?e*4:s<4?e*2:s<6?e:1}var pa=class{constructor(e,t){this._options=e,this._id=`__stars_${new Date().getTime()}`,this._simulation=t,this._context=t.getContext(),this._stars=void 0,this.init()}init(){let e=ha("{{data}}/processed/bsc.json",this._context.options.basePath);fetch(e).then(t=>t.json()).then(t=>{let n=t.length,i=new de,r=new Float32Array(n*3),a=new Float32Array(n*3),o=new Float32Array(n);i.setAttribute("position",new pe(r,3)),i.setAttribute("color",new pe(a,3)),i.setAttribute("size",new pe(o,1)),t.forEach((c,u)=>{let[h,d,f,p]=c,v=tt.rad(tt.hoursToDeg(h)),x=tt.rad(d),g=cs.sphericalToCartesian(v,x,1e9),m=cs.equatorialToEcliptic_Cartesian(g[0],g[1],g[2],cs.getObliquity());r.set(m,u*3);let w=new ee(HA(f));a.set(w.toArray(),u*3),o[u]=zA(p,this._options.minSize||3)});let l=new qe({uniforms:{},vertexColors:!0,vertexShader:$o,fragmentShader:Ko,transparent:!0});this._stars=new Ot(i,l),this._simulation&&this._simulation.addObject(this,!0)})}get3jsObjects(){return this._stars?[this._stars]:[]}getId(){return this._id}update(){}};var cm=class{constructor(e,t){this.simulationElt=e,this.options=t||{},this.options.basePath=this.options.basePath||Dp(),this.jd=typeof this.options.jd=="undefined"?Number((0,rl.default)(this.options.startDate||new Date)):this.options.jd,this.jdDelta=this.options.jdDelta,this.jdPerSecond=this.options.jdPerSecond||100,this.isPaused=t.startPaused||!1,this.onTick=void 0,this.enableCameraDrift=!1,this.cameraDefaultPos=vn([0,-10,5]),this.options.camera&&(this.enableCameraDrift=!!this.options.camera.enableDrift,this.options.camera.initialPosition&&(this.cameraDefaultPos=vn(this.options.camera.initialPosition))),this.useLightSources=!1,this.lightPosition=void 0,this.subscribedObjects={},Te.DefaultUp=new A(0,0,1),this.options.unitsPerAu&&Rp(this.options.unitsPerAu),this.stats=void 0,this.fps=1,this.lastUpdatedTime=Date.now(),this.lastStaticCameraUpdateTime=Date.now(),this.lastResizeUpdateTime=Date.now(),this.renderEnabled=!0,this.initialRenderComplete=!1,this.animate=this.animate.bind(this),this.renderer=this.initRenderer(),this.scene=new kt,this.camera=new Xo(this.getContext()),this.composer=null,this.particles=new ar({textureUrl:this.options.particleTextureUrl||"{{assets}}/sprites/smallparticle.png",jd:this.jd,maxNumParticles:this.options.maxNumParticles,defaultSize:this.options.particleDefaultSize},this),this.init(),this.animate()}init(){if(this.camera.get3jsCamera().position.set(this.cameraDefaultPos[0],this.cameraDefaultPos[1],this.cameraDefaultPos[2]),this.simulationElt.onmousedown=this.simulationElt.ontouchstart=()=>{this.enableCameraDrift=!1},(()=>{let e=!1;this.camera.get3jsCameraControls().addEventListener("change",()=>{e&&this.staticForcedUpdate()}),setTimeout(()=>{this.staticForcedUpdate(),e=!0,this.initialRenderComplete=!0},0)})(),this.simulationElt.addEventListener("resize",()=>{this.resizeUpdate()}),window.addEventListener("resize",()=>{this.resizeUpdate()}),this.options.debug){if(this.options.debug.showGrid){let e=new ir(void 0,void 0);e.geometry.rotateX(Math.PI/2),this.scene.add(e)}this.options.debug.showAxes&&this.scene.add(new ua(.5)),this.options.debug.showStats&&(this.stats=new zp,this.stats.showPanel(0),this.simulationElt.appendChild(this.stats.dom))}this.initPasses()}initRenderer(){let e=new Ws({antialias:!0});console.info("Max texture resolution:",e.capabilities.maxTextureSize);let t=e.capabilities.getMaxPrecision("highp");return t!=="highp"&&console.warn(`Shader maximum precision is "${t}", GPU rendering may not be accurate.`),e.setPixelRatio(window.devicePixelRatio),e.setSize(this.simulationElt.offsetWidth,this.simulationElt.offsetHeight),this.simulationElt.appendChild(e.domElement),e}initPasses(){let e=this.camera.get3jsCamera(),t=new qp(this.scene,e,{width:240,height:240,luminanceThreshold:.2});t.inverted=!0,t.blendMode.opacity.value=2.3;let n=new jp(this.scene,e);n.renderToScreen=!1;let i=new Xp(e,t);i.renderToScreen=!0;let r=new Qp(this.renderer);r.addPass(n),r.addPass(i),this.composer=r}update(e=!1){for(let t in this.subscribedObjects)this.subscribedObjects.hasOwnProperty(t)&&this.subscribedObjects[t].update(this.jd,e)}staticForcedUpdate(){if(this.isPaused){let e=Date.now();e-this.lastStaticCameraUpdateTime>30&&(this.update(!0),this.lastStaticCameraUpdateTime=e)}}resizeUpdate(){let e=Date.now();if(e-this.lastResizeUpdateTime>30){let i=this.simulationElt.offsetWidth,r=this.simulationElt.offsetHeight;if(i===0&&r===0)return;let a=this.camera.get3jsCamera();a.aspect=i/r,a.updateProjectionMatrix(),this.renderer.setSize(i,r),this.staticForcedUpdate(),this.lastResizeUpdateTime=e}}doCameraDrift(){let e=1e-4*Date.now(),t=this.cameraDefaultPos,n=this.camera.get3jsCamera();n.position.x=t[0]+t[0]*(Math.cos(e)+1)/3,n.position.z=t[2]+t[2]*(Math.sin(e)+1)/3}animate(){if(!(!this.renderEnabled&&this.initialRenderComplete)){if(window.requestAnimationFrame(this.animate),this.stats&&this.stats.begin(),!this.isPaused){this.jdDelta?this.jd+=this.jdDelta:this.jd+=this.jdPerSecond/this.fps;let e=(Date.now()-this.lastUpdatedTime)/1e3;this.lastUpdatedTime=Date.now(),this.fps=1/e||1,this.update()}this.enableCameraDrift&&this.doCameraDrift(),this.camera.update(),this.renderer.render(this.scene,this.camera.get3jsCamera()),this.onTick&&this.onTick(),this.stats&&this.stats.end()}}addObject(e,t=!1){if(e.get3jsObjects().map(n=>{this.scene.add(n)}),!t){let n=e.getId();this.subscribedObjects[n]&&console.error(`Object id is not unique: "${n}". This could prevent objects from updating correctly.`),this.subscribedObjects[n]=e}}removeObject(e){e.get3jsObjects().map(t=>{this.scene.remove(t)}),typeof e.removalCleanup=="function"&&e.removalCleanup(),delete this.subscribedObjects[e.getId()]}createObject(...e){return new fs(...e,this)}createShape(...e){return new el(...e,this)}createSphere(...e){return new nl(...e,this)}createStaticParticles(...e){return new il(...e,this)}createSkybox(...e){return new tl(...e,this)}createStars(...e){return e.length?new pa(...e,this):new pa({},this)}createAmbientLight(e=3355443){this.scene.add(new os(e)),this.useLightSources=!0}createLight(e=void 0,t=16777215){this.lightPosition&&console.warn("Spacekit doesn't support more than one light source for SphereObjects"),this.lightPosition=new A;let n=new as;if(typeof e=="undefined")this.camera.get3jsCameraControls().addEventListener("change",()=>{this.lightPosition.copy(this.camera.get3jsCamera().position),n.position.copy(this.camera.get3jsCamera().position)});else{let i=vn(e);this.lightPosition.set(i[0],i[1],i[2]),n.position.set(i[0],i[1],i[2])}this.scene.add(n),this.useLightSources=!0}getLightPosition(){return this.lightPosition}isUsingLightSources(){return this.useLightSources}loadNaturalSatellites(){return new qo(this).load()}renderOnlyInViewport(){let e=!0,t=()=>{let n=this.simulationElt.getBoundingClientRect(),i=window.innerHeight||document.documentElement.clientHeight,r=window.innerWidth||document.documentElement.clientWidth,a=n.top<=i&&n.top+n.height>=0,o=n.left<=r&&n.left+n.width>=0;return a&&o};window.addEventListener("scroll",()=>{let n=t();e&&!n?(this.renderEnabled=!1,e=!1):!e&&n&&(this.renderEnabled=!0,window.requestAnimationFrame(this.animate),e=!0)}),t()||(this.renderEnabled=!1,e=!1)}zoomToFit(e,t=3){return Zt(this,null,function*(){let n=e.getOrbit(),i=n?n.getOrbitShape():yield e.getBoundingObject();return i?(this.doZoomToFit(i,t),!0):!1})}doZoomToFit(e,t){let n=new It;n.setFromObject(e);let i=new A;n.getCenter(i);let r=new A;n.getSize(r);let a=this.camera.get3jsCamera(),o=Math.max(r.x,r.y,r.z),l=a.fov*(Math.PI/180),c=Math.abs(o/2*Math.tan(l*2))*t,u=new A;e.getWorldPosition(u);let f=a.position.sub(u).normalize().multiplyScalar(c);a.position.x=f.x,a.position.y=f.y,a.position.z=f.z,a.updateProjectionMatrix(),this.cameraDefaultPos=[f.x,f.y,f.z]}start(){this.lastUpdatedTime=Date.now(),this.isPaused=!1}stop(){this.isPaused=!0}getJd(){return this.jd}setJd(e){this.jd=e,this.update(!0)}getDate(){return rl.default.toDate(this.jd)}setDate(e){this.setJd(Number((0,rl.default)(e)))}getJdDelta(){return this.jdDelta?this.jdDelta:this.jdPerSecond/this.fps}setJdDelta(e){this.jdDelta=e}getJdPerSecond(){if(!this.jdDelta)return this.jdPerSecond}setJdPerSecond(e){this.jdDelta=void 0,this.jdPerSecond=e}getContext(){return{simulation:this,options:this.options,objects:{particles:this.particles,camera:this.camera,scene:this.scene,renderer:this.renderer,composer:this.composer},container:{width:this.simulationElt.offsetWidth,height:this.simulationElt.offsetHeight}}}getSimulationElement(){return this.simulationElt}getViewer(){return this.camera}getScene(){return this.scene}getRenderer(){return this.renderer}setCameraDrift(e){this.enableCameraDrift=e}};var GA=cu;return kA;})();
 /**
  * @license
  * Copyright 2010-2021 Three.js Authors
diff --git a/build/spacekit.js.map b/build/spacekit.js.map
index 2c6807d..16b040a 100644
--- a/build/spacekit.js.map
+++ b/build/spacekit.js.map
@@ -1,7 +1,7 @@
 {
   "version": 3,
   "sources": ["../node_modules/julian/index.js", "../src/index.ts", "../node_modules/three/build/three.module.js", "../node_modules/three/examples/jsm/controls/OrbitControls.js", "../src/Scale.ts", "../src/Camera.ts", "../src/Units.ts", "../src/Coordinates.ts", "../src/Ephem.ts", "../src/Math.ts", "../src/util.ts", "../src/EphemerisTable.ts", "../src/EphemPresets.ts", "../src/Orbit.ts", "../src/Simulation.ts", "../node_modules/three/examples/jsm/libs/stats.module.js", "../node_modules/postprocessing/build/postprocessing.esm.js", "../src/shaders.ts", "../src/KeplerParticles.ts", "../node_modules/three/examples/jsm/loaders/OBJLoader.js", "../src/SpaceObject.ts", "../src/RotatingObject.ts", "../src/ShapeObject.ts", "../src/Skybox.ts", "../src/SphereObject.ts", "../src/StaticParticles.ts", "../src/Stars.ts"],
-  "sourcesContent": ["module.exports = convert;\nmodule.exports.toDate = convertToDate;\n\nmodule.exports.toJulianDay = toJulianDay;\nmodule.exports.toMillisecondsInJulianDay = toMillisecondsInJulianDay;\nmodule.exports.fromJulianDayAndMilliseconds = fromJulianDayAndMilliseconds;\n\nvar DAY = 86400000;\nvar HALF_DAY = DAY / 2;\nvar UNIX_EPOCH_JULIAN_DATE = 2440587.5;\nvar UNIX_EPOCH_JULIAN_DAY = 2440587;\n\nfunction convert(date) {\n  return (toJulianDay(date) + (toMillisecondsInJulianDay(date) / DAY)).toFixed(6);\n};\n\nfunction convertToDate(julian) {\n  return new Date((Number(julian) - UNIX_EPOCH_JULIAN_DATE) * DAY);\n};\n\nfunction toJulianDay(date) {\n  return ~~((+date + HALF_DAY) / DAY) + UNIX_EPOCH_JULIAN_DAY;\n};\n\nfunction toMillisecondsInJulianDay(date) {\n  return (+date + HALF_DAY) % DAY;\n};\n\nfunction fromJulianDayAndMilliseconds(day, ms) {\n  return (day - UNIX_EPOCH_JULIAN_DATE) * DAY + ms;\n};\n", "export * from './Camera';\nexport * from './Coordinates';\nexport * from './Ephem';\nexport * from './EphemerisTable';\nexport * from './EphemPresets';\nexport * from './Orbit';\nexport * from './Simulation';\nexport * from './Skybox';\nexport * from './SpaceObject';\nexport * from './RotatingObject';\nexport * from './ShapeObject';\nexport * from './SphereObject';\nexport * from './StaticParticles';\nexport * from './KeplerParticles';\nexport * from './Stars';\nexport * from './Units';\n\nimport * as _THREE from 'three';\nexport const THREE = _THREE;\n", "/**\n * @license\n * Copyright 2010-2021 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '132';\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\nconst CullFaceNone = 0;\nconst CullFaceBack = 1;\nconst CullFaceFront = 2;\nconst CullFaceFrontBack = 3;\nconst BasicShadowMap = 0;\nconst PCFShadowMap = 1;\nconst PCFSoftShadowMap = 2;\nconst VSMShadowMap = 3;\nconst FrontSide = 0;\nconst BackSide = 1;\nconst DoubleSide = 2;\nconst FlatShading = 1;\nconst SmoothShading = 2;\nconst NoBlending = 0;\nconst NormalBlending = 1;\nconst AdditiveBlending = 2;\nconst SubtractiveBlending = 3;\nconst MultiplyBlending = 4;\nconst CustomBlending = 5;\nconst AddEquation = 100;\nconst SubtractEquation = 101;\nconst ReverseSubtractEquation = 102;\nconst MinEquation = 103;\nconst MaxEquation = 104;\nconst ZeroFactor = 200;\nconst OneFactor = 201;\nconst SrcColorFactor = 202;\nconst OneMinusSrcColorFactor = 203;\nconst SrcAlphaFactor = 204;\nconst OneMinusSrcAlphaFactor = 205;\nconst DstAlphaFactor = 206;\nconst OneMinusDstAlphaFactor = 207;\nconst DstColorFactor = 208;\nconst OneMinusDstColorFactor = 209;\nconst SrcAlphaSaturateFactor = 210;\nconst NeverDepth = 0;\nconst AlwaysDepth = 1;\nconst LessDepth = 2;\nconst LessEqualDepth = 3;\nconst EqualDepth = 4;\nconst GreaterEqualDepth = 5;\nconst GreaterDepth = 6;\nconst NotEqualDepth = 7;\nconst MultiplyOperation = 0;\nconst MixOperation = 1;\nconst AddOperation = 2;\nconst NoToneMapping = 0;\nconst LinearToneMapping = 1;\nconst ReinhardToneMapping = 2;\nconst CineonToneMapping = 3;\nconst ACESFilmicToneMapping = 4;\nconst CustomToneMapping = 5;\n\nconst UVMapping = 300;\nconst CubeReflectionMapping = 301;\nconst CubeRefractionMapping = 302;\nconst EquirectangularReflectionMapping = 303;\nconst EquirectangularRefractionMapping = 304;\nconst CubeUVReflectionMapping = 306;\nconst CubeUVRefractionMapping = 307;\nconst RepeatWrapping = 1000;\nconst ClampToEdgeWrapping = 1001;\nconst MirroredRepeatWrapping = 1002;\nconst NearestFilter = 1003;\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004;\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005;\nconst LinearFilter = 1006;\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007;\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008;\nconst UnsignedByteType = 1009;\nconst ByteType = 1010;\nconst ShortType = 1011;\nconst UnsignedShortType = 1012;\nconst IntType = 1013;\nconst UnsignedIntType = 1014;\nconst FloatType = 1015;\nconst HalfFloatType = 1016;\nconst UnsignedShort4444Type = 1017;\nconst UnsignedShort5551Type = 1018;\nconst UnsignedShort565Type = 1019;\nconst UnsignedInt248Type = 1020;\nconst AlphaFormat = 1021;\nconst RGBFormat = 1022;\nconst RGBAFormat = 1023;\nconst LuminanceFormat = 1024;\nconst LuminanceAlphaFormat = 1025;\nconst RGBEFormat = RGBAFormat;\nconst DepthFormat = 1026;\nconst DepthStencilFormat = 1027;\nconst RedFormat = 1028;\nconst RedIntegerFormat = 1029;\nconst RGFormat = 1030;\nconst RGIntegerFormat = 1031;\nconst RGBIntegerFormat = 1032;\nconst RGBAIntegerFormat = 1033;\n\nconst RGB_S3TC_DXT1_Format = 33776;\nconst RGBA_S3TC_DXT1_Format = 33777;\nconst RGBA_S3TC_DXT3_Format = 33778;\nconst RGBA_S3TC_DXT5_Format = 33779;\nconst RGB_PVRTC_4BPPV1_Format = 35840;\nconst RGB_PVRTC_2BPPV1_Format = 35841;\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\nconst RGB_ETC1_Format = 36196;\nconst RGB_ETC2_Format = 37492;\nconst RGBA_ETC2_EAC_Format = 37496;\nconst RGBA_ASTC_4x4_Format = 37808;\nconst RGBA_ASTC_5x4_Format = 37809;\nconst RGBA_ASTC_5x5_Format = 37810;\nconst RGBA_ASTC_6x5_Format = 37811;\nconst RGBA_ASTC_6x6_Format = 37812;\nconst RGBA_ASTC_8x5_Format = 37813;\nconst RGBA_ASTC_8x6_Format = 37814;\nconst RGBA_ASTC_8x8_Format = 37815;\nconst RGBA_ASTC_10x5_Format = 37816;\nconst RGBA_ASTC_10x6_Format = 37817;\nconst RGBA_ASTC_10x8_Format = 37818;\nconst RGBA_ASTC_10x10_Format = 37819;\nconst RGBA_ASTC_12x10_Format = 37820;\nconst RGBA_ASTC_12x12_Format = 37821;\nconst RGBA_BPTC_Format = 36492;\nconst SRGB8_ALPHA8_ASTC_4x4_Format = 37840;\nconst SRGB8_ALPHA8_ASTC_5x4_Format = 37841;\nconst SRGB8_ALPHA8_ASTC_5x5_Format = 37842;\nconst SRGB8_ALPHA8_ASTC_6x5_Format = 37843;\nconst SRGB8_ALPHA8_ASTC_6x6_Format = 37844;\nconst SRGB8_ALPHA8_ASTC_8x5_Format = 37845;\nconst SRGB8_ALPHA8_ASTC_8x6_Format = 37846;\nconst SRGB8_ALPHA8_ASTC_8x8_Format = 37847;\nconst SRGB8_ALPHA8_ASTC_10x5_Format = 37848;\nconst SRGB8_ALPHA8_ASTC_10x6_Format = 37849;\nconst SRGB8_ALPHA8_ASTC_10x8_Format = 37850;\nconst SRGB8_ALPHA8_ASTC_10x10_Format = 37851;\nconst SRGB8_ALPHA8_ASTC_12x10_Format = 37852;\nconst SRGB8_ALPHA8_ASTC_12x12_Format = 37853;\nconst LoopOnce = 2200;\nconst LoopRepeat = 2201;\nconst LoopPingPong = 2202;\nconst InterpolateDiscrete = 2300;\nconst InterpolateLinear = 2301;\nconst InterpolateSmooth = 2302;\nconst ZeroCurvatureEnding = 2400;\nconst ZeroSlopeEnding = 2401;\nconst WrapAroundEnding = 2402;\nconst NormalAnimationBlendMode = 2500;\nconst AdditiveAnimationBlendMode = 2501;\nconst TrianglesDrawMode = 0;\nconst TriangleStripDrawMode = 1;\nconst TriangleFanDrawMode = 2;\nconst LinearEncoding = 3000;\nconst sRGBEncoding = 3001;\nconst GammaEncoding = 3007;\nconst RGBEEncoding = 3002;\nconst LogLuvEncoding = 3003;\nconst RGBM7Encoding = 3004;\nconst RGBM16Encoding = 3005;\nconst RGBDEncoding = 3006;\nconst BasicDepthPacking = 3200;\nconst RGBADepthPacking = 3201;\nconst TangentSpaceNormalMap = 0;\nconst ObjectSpaceNormalMap = 1;\n\nconst ZeroStencilOp = 0;\nconst KeepStencilOp = 7680;\nconst ReplaceStencilOp = 7681;\nconst IncrementStencilOp = 7682;\nconst DecrementStencilOp = 7683;\nconst IncrementWrapStencilOp = 34055;\nconst DecrementWrapStencilOp = 34056;\nconst InvertStencilOp = 5386;\n\nconst NeverStencilFunc = 512;\nconst LessStencilFunc = 513;\nconst EqualStencilFunc = 514;\nconst LessEqualStencilFunc = 515;\nconst GreaterStencilFunc = 516;\nconst NotEqualStencilFunc = 517;\nconst GreaterEqualStencilFunc = 518;\nconst AlwaysStencilFunc = 519;\n\nconst StaticDrawUsage = 35044;\nconst DynamicDrawUsage = 35048;\nconst StreamDrawUsage = 35040;\nconst StaticReadUsage = 35045;\nconst DynamicReadUsage = 35049;\nconst StreamReadUsage = 35041;\nconst StaticCopyUsage = 35046;\nconst DynamicCopyUsage = 35050;\nconst StreamCopyUsage = 35042;\n\nconst GLSL1 = '100';\nconst GLSL3 = '300 es';\n\n/**\n * https://github.com/mrdoob/eventdispatcher.js/\n */\n\nclass EventDispatcher {\n\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\thasEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return false;\n\n\t\tconst listeners = this._listeners;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;\n\n\t}\n\n\tremoveEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [];\n\nfor ( let i = 0; i < 256; i ++ ) {\n\n\t_lut[ i ] = ( i < 16 ? '0' : '' ) + ( i ).toString( 16 );\n\n}\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\nfunction generateUUID() {\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toUpperCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toUpperCase();\n\n}\n\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n// compute euclidian modulo of m % n\n// https://en.wikipedia.org/wiki/Modulo_operation\nfunction euclideanModulo( n, m ) {\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n// Linear mapping from range <a1, a2> to range <b1, b2>\nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\nfunction inverseLerp( x, y, value ) {\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t\t } else {\n\n\t\treturn 0;\n\n\t\t }\n\n}\n\n// https://en.wikipedia.org/wiki/Linear_interpolation\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n// https://www.desmos.com/calculator/vcsjnyz7x4\nfunction pingpong( x, length = 1 ) {\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n// http://en.wikipedia.org/wiki/Smoothstep\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n// Random integer from <low, high> interval\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n// Random float from <low, high> interval\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n// Random float from <-range/2, range/2> interval\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n// Deterministic pseudo-random float in the interval [ 0, 1 ]\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s % 2147483647;\n\n\t// Park-Miller algorithm\n\n\t_seed = _seed * 16807 % 2147483647;\n\n\treturn ( _seed - 1 ) / 2147483646;\n\n}\n\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\t// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles\n\n\t// rotations are applied to the axes in the order specified by 'order'\n\t// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'\n\t// angles are in radians\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\nvar MathUtils = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\tgenerateUUID: generateUUID,\n\tclamp: clamp,\n\teuclideanModulo: euclideanModulo,\n\tmapLinear: mapLinear,\n\tinverseLerp: inverseLerp,\n\tlerp: lerp,\n\tdamp: damp,\n\tpingpong: pingpong,\n\tsmoothstep: smoothstep,\n\tsmootherstep: smootherstep,\n\trandInt: randInt,\n\trandFloat: randFloat,\n\trandFloatSpread: randFloatSpread,\n\tseededRandom: seededRandom,\n\tdegToRad: degToRad,\n\tradToDeg: radToDeg,\n\tisPowerOfTwo: isPowerOfTwo,\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler\n});\n\nclass Vector2 {\n\n\tconstructor( x = 0, y = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tangle() {\n\n\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n}\n\nVector2.prototype.isVector2 = true;\n\nclass Matrix3 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tscale( sx, sy ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx;\n\t\tte[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy;\n\n\t\treturn this;\n\n\t}\n\n\trotate( theta ) {\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tconst te = this.elements;\n\n\t\tconst a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ];\n\t\tconst a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ];\n\n\t\tte[ 0 ] = c * a11 + s * a21;\n\t\tte[ 3 ] = c * a12 + s * a22;\n\t\tte[ 6 ] = c * a13 + s * a23;\n\n\t\tte[ 1 ] = - s * a11 + c * a21;\n\t\tte[ 4 ] = - s * a12 + c * a22;\n\t\tte[ 7 ] = - s * a13 + c * a23;\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( tx, ty ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ];\n\t\tte[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nMatrix3.prototype.isMatrix3 = true;\n\nlet _canvas;\n\nclass ImageUtils {\n\n\tstatic getDataURL( image ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement == 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons', image );\n\n\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t} else {\n\n\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t}\n\n\t}\n\n}\n\nlet textureId = 0;\n\nclass Texture extends EventDispatcher {\n\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = 1, encoding = LinearEncoding ) {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: textureId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\n\t\tthis.image = image;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping;\n\n\t\tthis.wrapS = wrapS;\n\t\tthis.wrapT = wrapT;\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.anisotropy = anisotropy;\n\n\t\tthis.format = format;\n\t\tthis.internalFormat = null;\n\t\tthis.type = type;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\t\tthis.center = new Vector2( 0, 0 );\n\t\tthis.rotation = 0;\n\n\t\tthis.matrixAutoUpdate = true;\n\t\tthis.matrix = new Matrix3();\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding;\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t\tthis.isRenderTargetTexture = false;\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.image = source.image;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.encoding = source.encoding;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\tmapping: this.mapping,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\ttype: this.type,\n\t\t\tencoding: this.encoding,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( this.image !== undefined ) {\n\n\t\t\t// TODO: Move to THREE.Image\n\n\t\t\tconst image = this.image;\n\n\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\timage.uuid = generateUUID(); // UGH\n\n\t\t\t}\n\n\t\t\tif ( ! isRootObject && meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\tlet url;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\t// process array of images e.g. CubeTexture\n\n\t\t\t\t\turl = [];\n\n\t\t\t\t\tfor ( let i = 0, l = image.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t// check cube texture with data textures\n\n\t\t\t\t\t\tif ( image[ i ].isDataTexture ) {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ].image ) );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ] ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// process single image\n\n\t\t\t\t\turl = serializeImage( image );\n\n\t\t\t\t}\n\n\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\turl: url\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\toutput.image = image.uuid;\n\n\t\t}\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nTexture.DEFAULT_IMAGE = undefined;\nTexture.DEFAULT_MAPPING = UVMapping;\n\nTexture.prototype.isTexture = true;\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.prototype.slice.call( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nclass Vector4 {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t     ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t     ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t     ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t     ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t     ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\t\tthis.w = Math.max( minVal, Math.min( maxVal, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n}\n\nVector4.prototype.isVector4 = true;\n\n/*\n In options, we can specify:\n * Texture parameters for an auto-generated target texture\n * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n*/\nclass WebGLRenderTarget extends EventDispatcher {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\tthis.depth = 1;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tthis.texture = new Texture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.image = { width: width, height: height, depth: 1 };\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.internalFormat = options.internalFormat !== undefined ? options.internalFormat : null;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : false;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tsetTexture( texture ) {\n\n\t\ttexture.image = {\n\t\t\twidth: this.width,\n\t\t\theight: this.height,\n\t\t\tdepth: this.depth\n\t\t};\n\n\t\tthis.texture = texture;\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tthis.texture.image.width = width;\n\t\t\tthis.texture.image.height = height;\n\t\t\tthis.texture.image.depth = depth;\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.texture = source.texture.clone();\n\t\tthis.texture.image = { ...this.texture.image }; // See #20328.\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nWebGLRenderTarget.prototype.isWebGLRenderTarget = true;\n\nclass WebGLMultipleRenderTargets extends WebGLRenderTarget {\n\n\tconstructor( width, height, count ) {\n\n\t\tsuper( width, height );\n\n\t\tconst texture = this.texture;\n\n\t\tthis.texture = [];\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.texture[ i ] = texture.clone();\n\n\t\t}\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.texture.length; i < il; i ++ ) {\n\n\t\t\t\tthis.texture[ i ].image.width = width;\n\t\t\t\tthis.texture[ i ].image.height = height;\n\t\t\t\tthis.texture[ i ].image.depth = depth;\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.dispose();\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.set( 0, 0, this.width, this.height );\n\t\tthis.scissor.set( 0, 0, this.width, this.height );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\tthis.texture.length = 0;\n\n\t\tfor ( let i = 0, il = source.texture.length; i < il; i ++ ) {\n\n\t\t\tthis.texture[ i ] = source.texture[ i ].clone();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultipleRenderTargets.prototype.isWebGLMultipleRenderTargets = true;\n\nclass WebGLMultisampleRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width, height, options ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.samples = 4;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy.call( this, source );\n\n\t\tthis.samples = source.samples;\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultisampleRenderTarget.prototype.isWebGLMultisampleRenderTarget = true;\n\nclass Quaternion {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\tstatic slerp( qa, qb, qm, t ) {\n\n\t\tconsole.warn( 'THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead.' );\n\t\treturn qm.slerpQuaternions( qa, qb, t );\n\n\t}\n\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t === 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t === 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet s = 1 - t;\n\t\t\tconst cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\tconst sin = Math.sqrt( sqrSin ),\n\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t}\n\n\t\t\tconst tDir = t * dir;\n\n\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t// Normalize in case we just did a lerp:\n\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromEuler( euler, update ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update !== false ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t// assumes axis is normalized\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < Number.EPSILON ) {\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) );\n\n\t}\n\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\tinvert() {\n\n\t\t// quaternion is assumed to have unit length\n\n\t\treturn this.conjugate();\n\n\t}\n\n\tconjugate() {\n\n\t\tthis._x *= - 1;\n\t\tthis._y *= - 1;\n\t\tthis._z *= - 1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( q, p ) {\n\n\t\tif ( p !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t}\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerp( qb, t ) {\n\n\t\tif ( t === 0 ) return this;\n\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\tconst x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\tlet cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\tthis._w = - qb._w;\n\t\t\tthis._x = - qb._x;\n\t\t\tthis._y = - qb._y;\n\t\t\tthis._z = - qb._z;\n\n\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t} else {\n\n\t\t\tthis.copy( qb );\n\n\t\t}\n\n\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\tthis._w = w;\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;\n\n\t\tif ( sqrSinHalfTheta <= Number.EPSILON ) {\n\n\t\t\tconst s = 1 - t;\n\t\t\tthis._w = s * w + t * this._w;\n\t\t\tthis._x = s * x + t * this._x;\n\t\t\tthis._y = s * y + t * this._y;\n\t\t\tthis._z = s * z + t * this._z;\n\n\t\t\tthis.normalize();\n\t\t\tthis._onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sinHalfTheta = Math.sqrt( sqrSinHalfTheta );\n\t\tconst halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\tconst ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\tthis.copy( qa ).slerp( qb, t );\n\n\t}\n\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nQuaternion.prototype.isQuaternion = true;\n\nclass Vector3 {\n\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t}\n\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t}\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// calculate quat * vector\n\n\t\tconst ix = qw * x + qy * z - qz * y;\n\t\tconst iy = qw * y + qz * x - qx * z;\n\t\tconst iz = qw * z + qx * y - qy * x;\n\t\tconst iw = - qx * x - qy * y - qz * z;\n\n\t\t// calculate result * inverse quat\n\n\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\treturn this;\n\n\t}\n\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tcross( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\treturn this.crossVectors( v, w );\n\n\t\t}\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\treflect( normal ) {\n\n\t\t// reflect incident vector off plane orthogonal to normal\n\t\t// normal is assumed to have unit length\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n}\n\nVector3.prototype.isVector3 = true;\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\nclass Box3 {\n\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromArray( array ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\tconst x = array[ i ];\n\t\t\tconst y = array[ i + 1 ];\n\t\t\tconst z = array[ i + 2 ];\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = attribute.count; i < l; i ++ ) {\n\n\t\t\tconst x = attribute.getX( i );\n\t\t\tconst y = attribute.getY( i );\n\t\t\tconst z = attribute.getZ( i );\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\texpandByObject( object ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\t_box$3.copy( geometry.boundingBox );\n\t\t\t_box$3.applyMatrix4( object.matrixWorld );\n\n\t\t\tthis.union( _box$3 );\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ||\n\t\t\tpoint.z < this.min.z || point.z > this.max.z ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\tbox.max.z < this.min.z || box.min.z > this.max.z ? false : true;\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$3.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$3, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$3 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents );\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$b.copy( point ).clamp( this.min, this.max );\n\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tgetBoundingSphere( target ) {\n\n\t\tthis.getCenter( target.center );\n\n\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\treturn target;\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox3.prototype.isBox3 = true;\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$3 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the seperating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the seperating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is seperating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _toFarthestPoint = /*@__PURE__*/ new Vector3();\nconst _toPoint = /*@__PURE__*/ new Vector3();\n\nclass Sphere {\n\n\tconstructor( center = new Vector3(), radius = - 1 ) {\n\n\t\tthis.center = center;\n\t\tthis.radius = radius;\n\n\t}\n\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$2.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = - 1;\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671\n\n\t\t_toPoint.subVectors( point, this.center );\n\n\t\tconst lengthSq = _toPoint.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\t\t\tconst missingRadiusHalf = ( length - this.radius ) * 0.5;\n\n\t\t\t// Nudge this sphere towards the target point. Add half the missing distance to radius,\n\t\t\t// and the other half to position. This gives a tighter enclosure, instead of if\n\t\t\t// the whole missing distance were just added to radius.\n\n\t\t\tthis.center.add( _toPoint.multiplyScalar( missingRadiusHalf / length ) );\n\t\t\tthis.radius += missingRadiusHalf;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunion( sphere ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769\n\n\t\t// To enclose another sphere into this sphere, we only need to enclose two points:\n\t\t// 1) Enclose the farthest point on the other sphere into this sphere.\n\t\t// 2) Enclose the opposite point of the farthest point into this sphere.\n\n\t\t_toFarthestPoint.subVectors( sphere.center, this.center ).normalize().multiplyScalar( sphere.radius );\n\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _toFarthestPoint ) );\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _toFarthestPoint ) );\n\n\t\treturn this;\n\n\t}\n\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\nclass Ray {\n\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) {\n\n\t\tthis.origin = origin;\n\t\tthis.direction = direction;\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn target.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t}\n\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segDir ).multiplyScalar( s1 ).add( _segCenter );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t//   |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t//   |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t//   |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = - 1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix4 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractRotation( m ) {\n\n\t\t// this method does not support reflection matrices\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m, n ) {\n\n\t\tif ( n !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t}\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\tmakeTranslation( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, x,\n\t\t\t0, 1, 0, y,\n\t\t\t0, 0, 1, z,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tmakePerspective( left, right, top, bottom, near, far ) {\n\n\t\tif ( far === undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\t\tconst c = - ( far + near ) / ( far - near );\n\t\tconst d = - 2 * far * near / ( far - near );\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\tmakeOrthographic( left, right, top, bottom, near, far ) {\n\n\t\tconst te = this.elements;\n\t\tconst w = 1.0 / ( right - left );\n\t\tconst h = 1.0 / ( top - bottom );\n\t\tconst p = 1.0 / ( far - near );\n\n\t\tconst x = ( right + left ) * w;\n\t\tconst y = ( top + bottom ) * h;\n\t\tconst z = ( far + near ) * p;\n\n\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nMatrix4.prototype.isMatrix4 = true;\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\nclass Euler {\n\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DefaultOrder ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$1.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$1, order, update );\n\n\t}\n\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\treorder( newOrder ) {\n\n\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\ttoVector3( optionalResult ) {\n\n\t\tif ( optionalResult ) {\n\n\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t} else {\n\n\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t}\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nEuler.prototype.isEuler = true;\n\nEuler.DefaultOrder = 'XYZ';\nEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\nclass Layers {\n\n\tconstructor() {\n\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\tset( channel ) {\n\n\t\tthis.mask = 1 << channel | 0;\n\n\t}\n\n\tenable( channel ) {\n\n\t\tthis.mask |= 1 << channel | 0;\n\n\t}\n\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\ttoggle( channel ) {\n\n\t\tthis.mask ^= 1 << channel | 0;\n\n\t}\n\n\tdisable( channel ) {\n\n\t\tthis.mask &= ~ ( 1 << channel | 0 );\n\n\t}\n\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\nconst _addedEvent = { type: 'added' };\nconst _removedEvent = { type: 'removed' };\n\nclass Object3D extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.animations = [];\n\n\t\tthis.userData = {};\n\n\t}\n\n\tonBeforeRender() {}\n\tonAfterRender() {}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\tlocalToWorld( vector ) {\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\tworldToLocal( vector ) {\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\tobject.parent.remove( object );\n\n\t\t\t}\n\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== - 1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclear() {\n\n\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\tconst object = this.children[ i ];\n\n\t\t\tobject.parent = null;\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\tthis.children.length = 0;\n\n\t\treturn this;\n\n\n\t}\n\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tthis.add( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\treturn this;\n\n\t}\n\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\traycast() {}\n\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// update children\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.parent === null ) {\n\n\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t} else {\n\n\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t}\n\n\t\t// update children\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nObject3D.DefaultUp = new Vector3( 0, 1, 0 );\nObject3D.DefaultMatrixAutoUpdate = true;\n\nObject3D.prototype.isObject3D = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$1 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nclass Triangle {\n\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t}\n\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\t// arbitrary location outside of triangle?\n\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\treturn target.set( - 2, - 1, - 1 );\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\tthis.getBarycoord( point, a, b, c, _v3$1 );\n\n\t\treturn ( _v3$1.x >= 0 ) && ( _v3$1.y >= 0 ) && ( ( _v3$1.x + _v3$1.y ) <= 1 );\n\n\t}\n\n\tstatic getUV( point, p1, p2, p3, uv1, uv2, uv3, target ) {\n\n\t\tthis.getBarycoord( point, p1, p2, p3, _v3$1 );\n\n\t\ttarget.set( 0, 0 );\n\t\ttarget.addScaledVector( uv1, _v3$1.x );\n\t\ttarget.addScaledVector( uv2, _v3$1.y );\n\t\ttarget.addScaledVector( uv3, _v3$1.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\tgetUV( point, uv1, uv2, uv3, target ) {\n\n\t\treturn Triangle.getUV( point, this.a, this.b, this.c, uv1, uv2, uv3, target );\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nlet materialId = 0;\n\nclass Material extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: materialId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.vertexColors = false;\n\n\t\tthis.opacity = 1;\n\t\tthis.format = RGBAFormat;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.stencilWriteMask = 0xff;\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\t\tthis.stencilRef = 0;\n\t\tthis.stencilFuncMask = 0xff;\n\t\tthis.stencilFail = KeepStencilOp;\n\t\tthis.stencilZFail = KeepStencilOp;\n\t\tthis.stencilZPass = KeepStencilOp;\n\t\tthis.stencilWrite = false;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.shadowSide = null;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.dithering = false;\n\n\t\tthis.alphaToCoverage = false;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.visible = true;\n\n\t\tthis.toneMapped = true;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\tonBuild( /* shaderobject, renderer */ ) {}\n\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Material: \\'' + key + '\\' parameter is undefined.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// for backward compatability if shading is set in the constructor\n\t\t\tif ( key === 'shading' ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\t\tthis.flatShading = ( newValue === FlatShading ) ? true : false;\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': \\'' + key + '\\' is not a property of this material.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRoot = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRoot ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheenTint && this.sheenTint.isColor ) data.sheenTint = this.sheenTint.getHex();\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularTint && this.specularTint.isColor ) data.specularTint = this.specularTint.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularTintMap && this.specularTintMap.isTexture ) data.specularTintMap = this.specularTintMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationTint !== undefined ) data.attenuationTint = this.attenuationTint.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.format !== RGBAFormat ) data.format = this.format;\n\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\tdata.depthFunc = this.depthFunc;\n\t\tdata.depthTest = this.depthTest;\n\t\tdata.depthWrite = this.depthWrite;\n\t\tdata.colorWrite = this.colorWrite;\n\n\t\tdata.stencilWrite = this.stencilWrite;\n\t\tdata.stencilWriteMask = this.stencilWriteMask;\n\t\tdata.stencilFunc = this.stencilFunc;\n\t\tdata.stencilRef = this.stencilRef;\n\t\tdata.stencilFuncMask = this.stencilFuncMask;\n\t\tdata.stencilFail = this.stencilFail;\n\t\tdata.stencilZFail = this.stencilZFail;\n\t\tdata.stencilZPass = this.stencilZPass;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = this.alphaToCoverage;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\n\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = this.flatShading;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRoot ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.fog = source.fog;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.format = source.format;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nMaterial.prototype.isMaterial = true;\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\nclass Color {\n\n\tconstructor( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tset( value ) {\n\n\t\tif ( value && value.isColor ) {\n\n\t\t\tthis.copy( value );\n\n\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\tthis.setHex( value );\n\n\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\tthis.setStyle( value );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetHex( hex ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\treturn this;\n\n\t}\n\n\tsetRGB( r, g, b ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\treturn this;\n\n\t}\n\n\tsetHSL( h, s, l ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetStyle( style ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^((?:rgb|hsl)a?)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\tconst h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\tconst s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\tconst l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetColorName( style ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\tcopyGammaToLinear( color, gammaFactor = 2.0 ) {\n\n\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToGamma( color, gammaFactor = 2.0 ) {\n\n\t\tconst safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\treturn this;\n\n\t}\n\n\tconvertGammaToLinear( gammaFactor ) {\n\n\t\tthis.copyGammaToLinear( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToGamma( gammaFactor ) {\n\n\t\tthis.copyLinearToGamma( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\tgetHex() {\n\n\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t}\n\n\tgetHexString() {\n\n\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t}\n\n\tgetHSL( target ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tconst r = this.r, g = this.g, b = this.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\tgetStyle() {\n\n\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t}\n\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\t_hslA.h += h; _hslA.s += s; _hslA.l += l;\n\n\t\tthis.setHSL( _hslA.h, _hslA.s, _hslA.l );\n\n\t\treturn this;\n\n\t}\n\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\tif ( attribute.normalized === true ) {\n\n\t\t\t// assuming Uint8Array\n\n\t\t\tthis.r /= 255;\n\t\t\tthis.g /= 255;\n\t\t\tthis.b /= 255;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n}\n\nColor.NAMES = _colorKeywords;\n\nColor.prototype.isColor = true;\nColor.prototype.r = 1;\nColor.prototype.g = 1;\nColor.prototype.b = 1;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *  map: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  specularMap: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n *  combine: THREE.Multiply,\n *  reflectivity: <float>,\n *  refractionRatio: <float>,\n *\n *  depthTest: <bool>,\n *  depthWrite: <bool>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n * }\n */\n\nclass MeshBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nclass BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.name = '';\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\tcopyColorsArray( colors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\tlet color = colors[ i ];\n\n\t\t\tif ( color === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\tcolor = new Color();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = color.r;\n\t\t\tarray[ offset ++ ] = color.g;\n\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector2sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector2();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector3sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector3();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector4sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector4();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.array[ index * this.itemSize ];\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.prototype.slice.call( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\t\tif ( this.updateRange.offset !== 0 || this.updateRange.count !== - 1 ) data.updateRange = this.updateRange;\n\n\t\treturn data;\n\n\t}\n\n}\n\nBufferAttribute.prototype.isBufferAttribute = true;\n\n//\n\nclass Int8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nFloat16BufferAttribute.prototype.isFloat16BufferAttribute = true;\n\nclass Float32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float64BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float64Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nfunction arrayMax( array ) {\n\n\tif ( array.length === 0 ) return - Infinity;\n\n\tlet max = array[ 0 ];\n\n\tfor ( let i = 1, l = array.length; i < l; ++ i ) {\n\n\t\tif ( array[ i ] > max ) max = array[ i ];\n\n\t}\n\n\treturn max;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nlet _id = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\nclass BufferGeometry extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _id ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\t\tthis.morphTargetsRelative = false;\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\tthis.userData = {};\n\n\t}\n\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayMax( index ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tconst position = [];\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tconst point = points[ i ];\n\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t}\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$1.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$1.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$1.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$1.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst indices = index.array;\n\t\tconst positions = attributes.position.array;\n\t\tconst normals = attributes.normal.array;\n\t\tconst uvs = attributes.uv.array;\n\n\t\tconst nVertices = positions.length / 3;\n\n\t\tif ( attributes.tangent === undefined ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * nVertices ), 4 ) );\n\n\t\t}\n\n\t\tconst tangents = attributes.tangent.array;\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < nVertices; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: indices.length\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindices[ j + 0 ],\n\t\t\t\t\tindices[ j + 1 ],\n\t\t\t\t\tindices[ j + 2 ]\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromArray( normals, v * 3 );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? - 1.0 : 1.0;\n\n\t\t\ttangents[ v * 4 ] = tmp.x;\n\t\t\ttangents[ v * 4 + 1 ] = tmp.y;\n\t\t\ttangents[ v * 4 + 2 ] = tmp.z;\n\t\t\ttangents[ v * 4 + 3 ] = w;\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( indices[ j + 0 ] );\n\t\t\t\thandleVertex( indices[ j + 1 ] );\n\t\t\t\thandleVertex( indices[ j + 2 ] );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tmerge( geometry, offset ) {\n\n\t\tif ( ! ( geometry && geometry.isBufferGeometry ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( offset === undefined ) {\n\n\t\t\toffset = 0;\n\n\t\t\tconsole.warn(\n\t\t\t\t'THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. '\n\t\t\t\t+ 'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.'\n\t\t\t);\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\tconst attribute1 = attributes[ key ];\n\t\t\tconst attributeArray1 = attribute1.array;\n\n\t\t\tconst attribute2 = geometry.attributes[ key ];\n\t\t\tconst attributeArray2 = attribute2.array;\n\n\t\t\tconst attributeOffset = attribute2.itemSize * offset;\n\t\t\tconst length = Math.min( attributeArray2.length, attributeArray1.length - attributeOffset );\n\n\t\t\tfor ( let i = 0, j = attributeOffset; i < length; i ++, j ++ ) {\n\n\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = {\n\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\tradius: boundingSphere.radius\n\t\t\t};\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\t/*\n\t\t // Handle primitives\n\n\t\t const parameters = this.parameters;\n\n\t\t if ( parameters !== undefined ) {\n\n\t\t const values = [];\n\n\t\t for ( const key in parameters ) {\n\n\t\t values.push( parameters[ key ] );\n\n\t\t }\n\n\t\t const geometry = Object.create( this.constructor.prototype );\n\t\t this.constructor.apply( geometry, values );\n\t\t return geometry;\n\n\t\t }\n\n\t\t return new this.constructor().copy( this );\n\t\t */\n\n\t\treturn new BufferGeometry().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone( data ) );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nBufferGeometry.prototype.isBufferGeometry = true;\n\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _tempB = /*@__PURE__*/ new Vector3();\nconst _tempC = /*@__PURE__*/ new Vector3();\n\nconst _morphA = /*@__PURE__*/ new Vector3();\nconst _morphB = /*@__PURE__*/ new Vector3();\nconst _morphC = /*@__PURE__*/ new Vector3();\n\nconst _uvA$1 = /*@__PURE__*/ new Vector2();\nconst _uvB$1 = /*@__PURE__*/ new Vector2();\nconst _uvC$1 = /*@__PURE__*/ new Vector2();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\nclass Mesh extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$3.copy( geometry.boundingSphere );\n\t\t_sphere$3.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$3 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// Check boundingBox before continuing\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\tlet intersection;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\t\t\tconst uv = geometry.attributes.uv;\n\t\t\tconst uv2 = geometry.attributes.uv2;\n\t\t\tconst groups = geometry.groups;\n\t\t\tconst drawRange = geometry.drawRange;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\t// indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\t// non-indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = i;\n\t\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n}\n\nMesh.prototype.isMesh = true;\n\nfunction checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkBufferGeometryIntersection( object, material, raycaster, ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ) {\n\n\t_vA$1.fromBufferAttribute( position, a );\n\t_vB$1.fromBufferAttribute( position, b );\n\t_vC$1.fromBufferAttribute( position, c );\n\n\tconst morphInfluences = object.morphTargetInfluences;\n\n\tif ( morphPosition && morphInfluences ) {\n\n\t\t_morphA.set( 0, 0, 0 );\n\t\t_morphB.set( 0, 0, 0 );\n\t\t_morphC.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\tconst influence = morphInfluences[ i ];\n\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t_tempA.fromBufferAttribute( morphAttribute, a );\n\t\t\t_tempB.fromBufferAttribute( morphAttribute, b );\n\t\t\t_tempC.fromBufferAttribute( morphAttribute, c );\n\n\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\t\t\t\t_morphB.addScaledVector( _tempB, influence );\n\t\t\t\t_morphC.addScaledVector( _tempC, influence );\n\n\t\t\t} else {\n\n\t\t\t\t_morphA.addScaledVector( _tempA.sub( _vA$1 ), influence );\n\t\t\t\t_morphB.addScaledVector( _tempB.sub( _vB$1 ), influence );\n\t\t\t\t_morphC.addScaledVector( _tempC.sub( _vC$1 ), influence );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_vA$1.add( _morphA );\n\t\t_vB$1.add( _morphB );\n\t\t_vC$1.add( _morphC );\n\n\t}\n\n\tif ( object.isSkinnedMesh ) {\n\n\t\tobject.boneTransform( a, _vA$1 );\n\t\tobject.boneTransform( b, _vB$1 );\n\t\tobject.boneTransform( c, _vC$1 );\n\n\t}\n\n\tconst intersection = checkIntersection( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tif ( uv ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv, c );\n\n\t\t\tintersection.uv = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv2 ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv2, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv2, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv2, c );\n\n\t\t\tintersection.uv2 = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\n\t}\n\n\treturn intersection;\n\n}\n\nclass BoxGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Uniform Utilities\n */\n\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\n/**\n * parameters = {\n *  defines: { \"label\" : \"value\" },\n *  uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n *\n *  fragmentShader: <string>,\n *  vertexShader: <string>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n *  lights: <bool>\n * }\n */\n\nclass ShaderMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = default_vertex;\n\t\tthis.fragmentShader = default_fragment;\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\nShaderMaterial.prototype.isShaderMaterial = true;\n\nclass Camera extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\tthis.projectionMatrix = new Matrix4();\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\treturn this;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nCamera.prototype.isCamera = true;\n\nclass PerspectiveCamera extends Camera {\n\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Calculates the focal length from the current .fov and .filmGauge.\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *\n\t *   +---+---+---+\n\t *   | A | B | C |\n\t *   +---+---+---+\n\t *   | D | E | F |\n\t *   +---+---+---+\n\t *\n\t * then for each monitor you would call it like this\n\t *\n\t *   const w = 1920;\n\t *   const h = 1080;\n\t *   const fullWidth = w * 3;\n\t *   const fullHeight = h * 2;\n\t *\n\t *   --A--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t *   --B--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t *   --C--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t *   --D--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t *   --E--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t *   --F--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t *\n\t *   Note there is no reason monitors have to be the same size or in a grid.\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = - 0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nPerspectiveCamera.prototype.isPerspectiveCamera = true;\n\nconst fov = 90, aspect = 1;\n\nclass CubeCamera extends Object3D {\n\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget !== true ) {\n\n\t\t\tconsole.error( 'THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.renderTarget = renderTarget;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst renderTarget = this.renderTarget;\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0 );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1 );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2 );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3 );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4 );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5 );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t}\n\n}\n\nclass CubeTexture extends Texture {\n\n\tconstructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\t\tformat = format !== undefined ? format : RGBFormat;\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\nCubeTexture.prototype.isCubeTexture = true;\n\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( size, options, dummy ) {\n\n\t\tif ( Number.isInteger( options ) ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )' );\n\n\t\t\toptions = dummy;\n\n\t\t}\n\n\t\tsuper( size, size, options );\n\n\t\toptions = options || {};\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture = new CubeTexture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.texture._needsFlipEnvMap = false;\n\n\t}\n\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.format = RGBAFormat; // see #18859\n\t\tthis.texture.encoding = texture.encoding;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\tclear( renderer, color, depth, stencil ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\nWebGLCubeRenderTarget.prototype.isWebGLCubeRenderTarget = true;\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\nclass Plane {\n\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\t// normal is assumed to be normalized\n\n\t\tthis.normal = normal;\n\t\tthis.constant = constant;\n\n\t}\n\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.constant *= - 1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point );\n\n\t}\n\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t}\n\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nPlane.prototype.isPlane = true;\n\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\nclass Frustum {\n\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromProjectionMatrix( m ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\tintersectsObject( object ) {\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$2.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$2.center.set( 0, 0, 0 );\n\t\t_sphere$2.radius = 0.7071067811865476;\n\t\t_sphere$2.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$7.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$7.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$7.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$7 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type = 5126;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = 5126;\n\n\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.' );\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\ttype = 5131;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\ttype = 5123;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = 5122;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = 5125;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = 5124;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = 5120;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = 5121;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = 5121;\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRange = attribute.updateRange;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRange.count === - 1 ) {\n\n\t\t\t// Not using update ranges\n\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, updateRange.offset, updateRange.count );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray.subarray( updateRange.offset, updateRange.offset + updateRange.count ) );\n\n\t\t\t}\n\n\t\t\tupdateRange.count = - 1; // reset range\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nclass PlaneGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( V * D );\\n}\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\\n\\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( geometry.viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float NoH ) {\\n\\tfloat invAlpha = 1.0 / roughness;\\n\\tfloat cos2h = NoH * NoH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float NoV, float NoL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( NoL + NoV - NoL * NoV ) ) );\\n}\\nvec3 BRDF_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\\n\\tvec3 N = geometry.normal;\\n\\tvec3 V = geometry.viewDir;\\n\\tvec3 H = normalize( V + L );\\n\\tfloat dotNH = saturate( dot( N, H ) );\\n\\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\\n}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\\n\\t\\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\tplane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\tif ( clipped ) discard;\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal;\\n#endif\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nmat3 transposeMat3( const in mat3 m ) {\\n\\tmat3 tmp;\\n\\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\\n\\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\\n\\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\\n\\treturn tmp;\\n}\\nfloat linearToRelativeLuminance( const in vec3 color ) {\\n\\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\\n\\treturn dot( weights, color.rgb );\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_maxMipLevel 8.0\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_maxTileSize 256.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\\n\\t\\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\\n\\t\\tvec2 f = fract( uv );\\n\\t\\tuv += 0.5 - f;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tif ( mipInt < cubeUV_maxMipLevel ) {\\n\\t\\t\\tuv.y += 2.0 * cubeUV_maxTileSize;\\n\\t\\t}\\n\\t\\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\\n\\t\\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\\n\\t\\tuv *= texelSize;\\n\\t\\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x += texelSize;\\n\\t\\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.y += texelSize;\\n\\t\\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x -= texelSize;\\n\\t\\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tvec3 tm = mix( tl, tr, f.x );\\n\\t\\tvec3 bm = mix( bl, br, f.x );\\n\\t\\treturn mix( tm, bm, f.y );\\n\\t}\\n\\t#define r0 1.0\\n\\t#define v0 0.339\\n\\t#define m0 - 2.0\\n\\t#define r1 0.8\\n\\t#define v1 0.276\\n\\t#define m1 - 1.0\\n\\t#define r4 0.4\\n\\t#define v4 0.046\\n\\t#define m4 2.0\\n\\t#define r5 0.305\\n\\t#define v5 0.016\\n\\t#define m5 3.0\\n\\t#define r6 0.21\\n\\t#define v6 0.0038\\n\\t#define m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= r1 ) {\\n\\t\\t\\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\\n\\t\\t} else if ( roughness >= r4 ) {\\n\\t\\t\\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\\n\\t\\t} else if ( roughness >= r5 ) {\\n\\t\\t\\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\\n\\t\\t} else if ( roughness >= r6 ) {\\n\\t\\t\\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_INSTANCING\\n\\tmat3 m = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\\n\\ttransformedNormal = m * transformedNormal;\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar encodings_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n\\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n\\tfloat maxComponent = max( max( value.r, value.g ), value.b );\\n\\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n\\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n\\tM = ceil( M * 255.0 ) / 255.0;\\n\\treturn vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat D = max( maxRange / maxRGB, 1.0 );\\n\\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\\n\\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\\nvec4 LinearToLogLuv( in vec4 value ) {\\n\\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\\n\\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\\n\\tvec4 vResult;\\n\\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\\n\\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\\n\\tvResult.w = fract( Le );\\n\\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\\n\\treturn vResult;\\n}\\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\\nvec4 LogLuvToLinear( in vec4 value ) {\\n\\tfloat Le = value.z * 255.0 + value.w;\\n\\tvec3 Xp_Y_XYZp;\\n\\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\\n\\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\\n\\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\\n\\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\\n\\treturn vec4( max( vRGB, 0.0 ), 1.0 );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\tuniform int maxMipLevel;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\t\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn texture2D( gradientMap, coord ).rgb;\\n\\t#else\\n\\t\\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\\n\\t#endif\\n}\";\n\nvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tlightMapIrradiance *= PI;\\n\\t#endif\\n\\treflectedLight.indirectDiffuse += lightMapIrradiance;\\n#endif\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\nvIndirectFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n\\tvIndirectBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\\n#ifdef DOUBLE_SIDED\\n\\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\\n\\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\nuniform vec3 lightProbe[ 9 ];\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\\n\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t}\\n\\t\\treturn distanceFalloff;\\n\\t#else\\n\\t\\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\\n\\t\\t\\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t#endif\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\\n\\t\\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#if defined( USE_ENVMAP )\\n\\t#ifdef ENVMAP_MODE_REFRACTION\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n\\tvec3 getIBLIrradiance( const in GeometricContext geometry ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 reflectVec;\\n\\t\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\t\\treflectVec = reflect( - viewDir, normal );\\n\\t\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\treflectVec = refract( - viewDir, normal, refractionRatio );\\n\\t\\t\\t#endif\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\t#ifdef SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularTintFactor = specularTint;\\n\\t\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULARTINTMAP\\n\\t\\t\\tspecularTintFactor *= specularTintMapTexelToLinear( texture2D( specularTintMap, vUv ) ).rgb;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularTintFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularTintFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenTint = sheenTint;\\n#endif\";\n\nvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenTint;\\n\\t#endif\\n};\\nvec3 clearcoatSpecular = vec3( 0.0 );\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\\n\\treturn fab;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\tvec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometry.normal;\\n\\t\\tvec3 viewDir = geometry.viewDir;\\n\\t\\tvec3 position = geometry.position;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3(    0, 1,    0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\treflectedLight.directSpecular += irradiance * BRDF_Sheen( material.roughness, directLight.direction, geometry, material.sheenTint );\\n\\t#else\\n\\t\\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\\n\\t#endif\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\n#ifdef USE_CLEARCOAT\\n\\tgeometry.clearcoatNormal = clearcoatNormal;\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometry );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t\\tvarying float vIsPerspective;\\n\\t#else\\n\\t\\tuniform float logDepthBufFC;\\n\\t#endif\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n\\t#else\\n\\t\\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\\n\\t\\t\\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\\n\\t\\t\\tgl_Position.z *= gl_Position.w;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, uv );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tuniform mat3 uvTransform;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\\n\\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\\n\\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\\n\\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\tuniform float morphTargetBaseInfluence;\\n\\t#ifndef USE_MORPHNORMALS\\n\\t\\tuniform float morphTargetInfluences[ 8 ];\\n\\t#else\\n\\t\\tuniform float morphTargetInfluences[ 4 ];\\n\\t#endif\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\\n\\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\\n\\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\\n\\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\\n\\t#ifndef USE_MORPHNORMALS\\n\\t\\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\\n\\t\\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\\n\\t\\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\\n\\t\\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\\n\\t#endif\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\t#ifdef USE_TANGENT\\n\\t\\tvec3 tangent = normalize( vTangent );\\n\\t\\tvec3 bitangent = normalize( vBitangent );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\ttangent = tangent * faceDirection;\\n\\t\\t\\tbitangent = bitangent * faceDirection;\\n\\t\\t#endif\\n\\t\\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tmat3 vTBN = mat3( tangent, bitangent, normal );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\nvec3 geometryNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef OBJECTSPACE_NORMALMAP\\n\\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( TANGENTSPACE_NORMALMAP )\\n\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tnormal = normalize( vTBN * mapN );\\n\\t#else\\n\\t\\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\\n\\t#endif\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef OBJECTSPACE_NORMALMAP\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\\n\\t\\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\\n\\t\\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\\n\\t\\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = geometryNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\\n\\t#else\\n\\t\\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\\n\\t#endif\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\";\n\nvar output_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= transmissionAlpha + 0.1;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nvec4 pack2HalfToRGBA( vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n\\treturn linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\tfloat hard_shadow = step( compare , distribution.x );\\n\\t\\tif (hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x ;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t  f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t  f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn shadow;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\tdp += shadowBias;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\tvec4 shadowWorldPosition;\\n\\t#endif\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform highp sampler2D boneTexture;\\n\\t\\tuniform int boneTextureSize;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureSize ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureSize ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureSize );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureSize );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3(  1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108,  1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605,  1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tfloat transmissionAlpha = 1.0;\\n\\tfloat transmissionFactor = transmission;\\n\\tfloat thicknessFactor = thickness;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmission = getIBLVolumeRefraction(\\n\\t\\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\\n\\t\\tattenuationTint, attenuationDistance );\\n\\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\\n\\ttransmissionAlpha = transmission.a;\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationTint;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tvec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( float roughness, float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) {\\n\\t\\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tif ( attenuationDistance == 0.0 ) {\\n\\t\\t\\treturn radiance;\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance * radiance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90,\\n\\t\\tvec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness,\\n\\t\\tvec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\trefractionCoords += 1.0;\\n\\t\\trefractionCoords /= 2.0;\\n\\t\\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\\n\\tvarying vec2 vUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#ifdef USE_UV\\n\\t#ifdef UVS_VERTEX_ONLY\\n\\t\\tvec2 vUv;\\n\\t#else\\n\\t\\tvarying vec2 vUv;\\n\\t#endif\\n\\tuniform mat3 uvTransform;\\n#endif\";\n\nvar uv_vertex = \"#ifdef USE_UV\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n#endif\";\n\nvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\nvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n\\tuniform mat3 uv2Transform;\\n#endif\";\n\nvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nvar background_frag = \"uniform sampler2D t2D;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tvec4 texColor = texture2D( t2D, vUv );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n}\";\n\nvar background_vert = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nvar cube_frag = \"#include <envmap_common_pars_fragment>\\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\n#include <cube_uv_reflection_fragment>\\nvoid main() {\\n\\tvec3 vReflect = vWorldDirection;\\n\\t#include <envmap_fragment>\\n\\tgl_FragColor = envColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n}\";\n\nvar cube_vert = \"varying vec3 vWorldDirection;\\n#include <common>\\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include <begin_vertex>\\n\\t#include <project_vertex>\\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nvar depth_frag = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include <common>\\n#include <packing>\\n#include <uv_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include <map_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <logdepthbuf_fragment>\\n\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#endif\\n}\";\n\nvar depth_vert = \"#include <common>\\n#include <uv_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include <beginnormal_vertex>\\n\\t\\t#include <morphnormal_vertex>\\n\\t\\t#include <skinnormal_vertex>\\n\\t#endif\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nvar distanceRGBA_frag = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include <common>\\n#include <packing>\\n#include <uv_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main () {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include <map_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nvar distanceRGBA_vert = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include <beginnormal_vertex>\\n\\t\\t#include <morphnormal_vertex>\\n\\t\\t#include <skinnormal_vertex>\\n\\t#endif\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nvar equirect_frag = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include <common>\\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tvec4 texColor = texture2D( tEquirect, sampleUV );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n}\";\n\nvar equirect_vert = \"varying vec3 vWorldDirection;\\n#include <common>\\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include <begin_vertex>\\n\\t#include <project_vertex>\\n}\";\n\nvar linedashed_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include <common>\\n#include <color_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <color_fragment>\\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n}\";\n\nvar linedashed_vert = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include <common>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include <color_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nvar meshbasic_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include <common>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <envmap_common_pars_fragment>\\n#include <envmap_pars_fragment>\\n#include <cube_uv_reflection_fragment>\\n#include <fog_pars_fragment>\\n#include <specularmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <specularmap_fragment>\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include <aomap_fragment>\\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include <envmap_fragment>\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nvar meshbasic_vert = \"#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <envmap_pars_vertex>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include <beginnormal_vertex>\\n\\t\\t#include <morphnormal_vertex>\\n\\t\\t#include <skinbase_vertex>\\n\\t\\t#include <skinnormal_vertex>\\n\\t\\t#include <defaultnormal_vertex>\\n\\t#endif\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <envmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nvar meshlambert_frag = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <emissivemap_pars_fragment>\\n#include <envmap_common_pars_fragment>\\n#include <envmap_pars_fragment>\\n#include <cube_uv_reflection_fragment>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <fog_pars_fragment>\\n#include <shadowmap_pars_fragment>\\n#include <shadowmask_pars_fragment>\\n#include <specularmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <specularmap_fragment>\\n\\t#include <emissivemap_fragment>\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vIndirectFront;\\n\\t#endif\\n\\t#include <lightmap_fragment>\\n\\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include <aomap_fragment>\\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include <envmap_fragment>\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nvar meshlambert_vert = \"#define LAMBERT\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <envmap_pars_vertex>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <shadowmap_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <envmap_vertex>\\n\\t#include <lights_lambert_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nvar meshmatcap_frag = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <normal_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t\\tmatcapColor = matcapTexelToLinear( matcapColor );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nvar meshmatcap_vert = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <color_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <fog_vertex>\\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nvar meshnormal_frag = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include <packing>\\n#include <uv_pars_fragment>\\n#include <normal_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\\n}\";\n\nvar meshnormal_vert = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nvar meshphong_frag = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <emissivemap_pars_fragment>\\n#include <envmap_common_pars_fragment>\\n#include <envmap_pars_fragment>\\n#include <cube_uv_reflection_fragment>\\n#include <fog_pars_fragment>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <normal_pars_fragment>\\n#include <lights_phong_pars_fragment>\\n#include <shadowmap_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <specularmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <specularmap_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\t#include <emissivemap_fragment>\\n\\t#include <lights_phong_fragment>\\n\\t#include <lights_fragment_begin>\\n\\t#include <lights_fragment_maps>\\n\\t#include <lights_fragment_end>\\n\\t#include <aomap_fragment>\\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include <envmap_fragment>\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nvar meshphong_vert = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <envmap_pars_vertex>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <shadowmap_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include <worldpos_vertex>\\n\\t#include <envmap_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nvar meshphysical_frag = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularTint;\\n\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULARTINTMAP\\n\\t\\tuniform sampler2D specularTintMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenTint;\\n#endif\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <emissivemap_pars_fragment>\\n#include <bsdfs>\\n#include <cube_uv_reflection_fragment>\\n#include <envmap_common_pars_fragment>\\n#include <envmap_physical_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <lights_pars_begin>\\n#include <normal_pars_fragment>\\n#include <lights_physical_pars_fragment>\\n#include <transmission_pars_fragment>\\n#include <shadowmap_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <clearcoat_pars_fragment>\\n#include <roughnessmap_pars_fragment>\\n#include <metalnessmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <roughnessmap_fragment>\\n\\t#include <metalnessmap_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\t#include <clearcoat_normal_fragment_begin>\\n\\t#include <clearcoat_normal_fragment_maps>\\n\\t#include <emissivemap_fragment>\\n\\t#include <lights_physical_fragment>\\n\\t#include <lights_fragment_begin>\\n\\t#include <lights_fragment_maps>\\n\\t#include <lights_fragment_end>\\n\\t#include <aomap_fragment>\\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include <transmission_fragment>\\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - clearcoat * Fcc ) + clearcoatSpecular * clearcoat;\\n\\t#endif\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nvar meshphysical_vert = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <shadowmap_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include <worldpos_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nvar meshtoon_frag = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <emissivemap_pars_fragment>\\n#include <gradientmap_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <normal_pars_fragment>\\n#include <lights_toon_pars_fragment>\\n#include <shadowmap_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\t#include <emissivemap_fragment>\\n\\t#include <lights_toon_fragment>\\n\\t#include <lights_fragment_begin>\\n\\t#include <lights_fragment_maps>\\n\\t#include <lights_fragment_end>\\n\\t#include <aomap_fragment>\\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nvar meshtoon_vert = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <shadowmap_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include <worldpos_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nvar points_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include <common>\\n#include <color_pars_fragment>\\n#include <map_particle_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_particle_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphatest_fragment>\\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n}\";\n\nvar points_vert = \"uniform float size;\\nuniform float scale;\\n#include <common>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <color_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <project_vertex>\\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nvar shadow_frag = \"uniform vec3 color;\\nuniform float opacity;\\n#include <common>\\n#include <packing>\\n#include <fog_pars_fragment>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <shadowmap_pars_fragment>\\n#include <shadowmask_pars_fragment>\\nvoid main() {\\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n}\";\n\nvar shadow_vert = \"#include <common>\\n#include <fog_pars_vertex>\\n#include <shadowmap_pars_vertex>\\nvoid main() {\\n\\t#include <begin_vertex>\\n\\t#include <project_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nvar sprite_frag = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include <common>\\n#include <uv_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n}\";\n\nvar sprite_vert = \"uniform float rotation;\\nuniform vec2 center;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\tvec2 scale;\\n\\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\\n\\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nconst ShaderChunk = {\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tencodings_fragment: encodings_fragment,\n\tencodings_pars_fragment: encodings_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_fragment: lightmap_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_vertex: lights_lambert_vertex,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\toutput_fragment: output_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tuv2_pars_fragment: uv2_pars_fragment,\n\tuv2_pars_vertex: uv2_pars_vertex,\n\tuv2_vertex: uv2_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_frag: background_frag,\n\tbackground_vert: background_vert,\n\tcube_frag: cube_frag,\n\tcube_vert: cube_vert,\n\tdepth_frag: depth_frag,\n\tdepth_vert: depth_vert,\n\tdistanceRGBA_frag: distanceRGBA_frag,\n\tdistanceRGBA_vert: distanceRGBA_vert,\n\tequirect_frag: equirect_frag,\n\tequirect_vert: equirect_vert,\n\tlinedashed_frag: linedashed_frag,\n\tlinedashed_vert: linedashed_vert,\n\tmeshbasic_frag: meshbasic_frag,\n\tmeshbasic_vert: meshbasic_vert,\n\tmeshlambert_frag: meshlambert_frag,\n\tmeshlambert_vert: meshlambert_vert,\n\tmeshmatcap_frag: meshmatcap_frag,\n\tmeshmatcap_vert: meshmatcap_vert,\n\tmeshnormal_frag: meshnormal_frag,\n\tmeshnormal_vert: meshnormal_vert,\n\tmeshphong_frag: meshphong_frag,\n\tmeshphong_vert: meshphong_vert,\n\tmeshphysical_frag: meshphysical_frag,\n\tmeshphysical_vert: meshphysical_vert,\n\tmeshtoon_frag: meshtoon_frag,\n\tmeshtoon_vert: meshtoon_vert,\n\tpoints_frag: points_frag,\n\tpoints_vert: points_vert,\n\tshadow_frag: shadow_frag,\n\tshadow_vert: shadow_vert,\n\tsprite_frag: sprite_frag,\n\tsprite_vert: sprite_vert\n};\n\n/**\n * Uniforms library for shared webgl shaders\n */\n\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tuvTransform: { value: new Matrix3() },\n\t\tuv2Transform: { value: new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tflipEnvMap: { value: - 1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // standard, physical\n\t\trefractionRatio: { value: 0.98 },\n\t\tmaxMipLevel: { value: 0 }\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotShadowMap: { value: [] },\n\t\tspotShadowMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 } // temporary\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\t/* -------------------------------------------------------------------------\n\t//\tCube map shader\n\t ------------------------------------------------------------------------- */\n\n\tcube: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.envmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatNormalScale: { value: new Vector2( 1, 1 ) },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tsheenTint: { value: new Color( 0x000000 ) },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionSamplerSize: { value: new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationTint: { value: new Color( 0x000000 ) },\n\t\t\tspecularIntensity: { value: 0 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularTint: { value: new Color( 1, 1, 1 ) },\n\t\t\tspecularTintMap: { value: null },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nfunction WebGLBackground( renderer, cubemaps, state, objects, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = 0;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction render( renderList, scene ) {\n\n\t\tlet forceClear = false;\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tbackground = cubemaps.get( background );\n\n\t\t}\n\n\t\t// Ignore background in AR\n\t\t// TODO: Reconsider this.\n\n\t\tconst xr = renderer.xr;\n\t\tconst session = xr.getSession && xr.getSession();\n\n\t\tif ( session && session.environmentBlendMode === 'additive' ) {\n\n\t\t\tbackground = null;\n\n\t\t}\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.cube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.cube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.cube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tstate.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha );\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, extensions, attributes, capabilities ) {\n\n\tconst maxVertexAttributes = gl.getParameter( 34921 );\n\n\tconst extension = capabilities.isWebGL2 ? null : extensions.get( 'OES_vertex_array_object' );\n\tconst vaoAvailable = capabilities.isWebGL2 || extension !== null;\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tif ( vaoAvailable ) {\n\n\t\t\tconst state = getBindingState( geometry, program, material );\n\n\t\t\tif ( currentState !== state ) {\n\n\t\t\t\tcurrentState = state;\n\t\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t\t}\n\n\t\t\tupdateBuffers = needsUpdate( geometry, index );\n\n\t\t\tif ( updateBuffers ) saveCache( geometry, index );\n\n\t\t} else {\n\n\t\t\tconst wireframe = ( material.wireframe === true );\n\n\t\t\tif ( currentState.geometry !== geometry.id ||\n\t\t\t\tcurrentState.program !== program.id ||\n\t\t\t\tcurrentState.wireframe !== wireframe ) {\n\n\t\t\t\tcurrentState.geometry = geometry.id;\n\t\t\t\tcurrentState.program = program.id;\n\t\t\t\tcurrentState.wireframe = wireframe;\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh === true ) {\n\n\t\t\tupdateBuffers = true;\n\n\t\t}\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, 34963 );\n\n\t\t}\n\n\t\tif ( updateBuffers ) {\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( 34963, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.createVertexArray();\n\n\t\treturn extension.createVertexArrayOES();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.bindVertexArray( vao );\n\n\t\treturn extension.bindVertexArrayOES( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.deleteVertexArray( vao );\n\n\t\treturn extension.deleteVertexArrayOES( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( geometry, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in geometryAttributes ) {\n\n\t\t\tconst cachedAttribute = cachedAttributes[ key ];\n\t\t\tconst geometryAttribute = geometryAttributes[ key ];\n\n\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\tif ( cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( geometry, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tconst data = {};\n\t\t\tdata.attribute = attribute;\n\n\t\t\tif ( attribute.data ) {\n\n\t\t\t\tdata.data = attribute.data;\n\n\t\t\t}\n\n\t\t\tcache[ key ] = data;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tconst extension = capabilities.isWebGL2 ? gl : extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\textension[ capabilities.isWebGL2 ? 'vertexAttribDivisor' : 'vertexAttribDivisorANGLE' ]( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset ) {\n\n\t\tif ( capabilities.isWebGL2 === true && ( type === 5124 || type === 5125 ) ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tif ( capabilities.isWebGL2 === false && ( object.isInstancedMesh || geometry.isInstancedBufferGeometry ) ) {\n\n\t\t\tif ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) return;\n\n\t\t}\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatilibity\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawArraysInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawArraysInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36338 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36338 ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36337 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36337 ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\t/* eslint-disable no-undef */\n\tconst isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && gl instanceof WebGL2RenderingContext ) ||\n\t\t( typeof WebGL2ComputeRenderingContext !== 'undefined' && gl instanceof WebGL2ComputeRenderingContext );\n\t/* eslint-enable no-undef */\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst drawBuffers = isWebGL2 || extensions.has( 'WEBGL_draw_buffers' );\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\n\tconst maxTextures = gl.getParameter( 34930 );\n\tconst maxVertexTextures = gl.getParameter( 35660 );\n\tconst maxTextureSize = gl.getParameter( 3379 );\n\tconst maxCubemapSize = gl.getParameter( 34076 );\n\n\tconst maxAttributes = gl.getParameter( 34921 );\n\tconst maxVertexUniforms = gl.getParameter( 36347 );\n\tconst maxVaryings = gl.getParameter( 36348 );\n\tconst maxFragmentUniforms = gl.getParameter( 36349 );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\tconst floatFragmentTextures = isWebGL2 || extensions.has( 'OES_texture_float' );\n\tconst floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\tconst maxSamples = isWebGL2 ? gl.getParameter( 36183 ) : 0;\n\n\treturn {\n\n\t\tisWebGL2: isWebGL2,\n\n\t\tdrawBuffers: drawBuffers,\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\tfloatVertexTextures: floatVertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping, camera ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\t\tresetGlobalState();\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height / 2 );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nclass OrthographicCamera extends Camera {\n\n\tconstructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\nOrthographicCamera.prototype.isOrthographicCamera = true;\n\nclass RawShaderMaterial extends ShaderMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\nRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\nconst LOD_MIN = 4;\nconst LOD_MAX = 8;\nconst SIZE_MAX = Math.pow( 2, LOD_MAX );\n\n// The standard deviations (radians) associated with the extra mips. These are\n// chosen to approximate a Trowbridge-Reitz distribution function times the\n// geometric shadowing function. These sigma values squared must match the\n// variance #defines in cube_uv_reflection_fragment.glsl.js.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\nconst TOTAL_LODS = LOD_MAX - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\nconst MAX_SAMPLES = 20;\n\nconst ENCODINGS = {\n\t[ LinearEncoding ]: 0,\n\t[ sRGBEncoding ]: 1,\n\t[ RGBEEncoding ]: 2,\n\t[ RGBM7Encoding ]: 3,\n\t[ RGBM16Encoding ]: 4,\n\t[ RGBDEncoding ]: 5,\n\t[ GammaEncoding ]: 6\n};\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst { _lodPlanes, _sizeLods, _sigmas } = /*@__PURE__*/ _createPlanes();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\n\n// Golden Ratio\nconst PHI = ( 1 + Math.sqrt( 5 ) ) / 2;\nconst INV_PHI = 1 / PHI;\n\n// Vertices of a dodecahedron (except the opposites, which represent the\n// same axis), used as axis directions evenly spread on a sphere.\nconst _axisDirections = [\n\t/*@__PURE__*/ new Vector3( 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ),\n\t/*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ) ];\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * Paper: Fast, Accurate Image-Based Lighting\n * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view\n*/\n\nclass PMREMGenerator {\n\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._blurMaterial = _getBlurShader( MAX_SAMPLES );\n\t\tthis._equirectShader = null;\n\t\tthis._cubemapShader = null;\n\n\t\tthis._compileMaterial( this._blurMaterial );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety (the cubeCamera\n\t * is placed at the origin).\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100 ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromEquirectangular( equirectangular ) {\n\n\t\treturn this._fromTexture( equirectangular );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromCubemap( cubemap ) {\n\n\t\treturn this._fromTexture( cubemap );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapShader === null ) {\n\n\t\t\tthis._cubemapShader = _getCubemapShader();\n\t\t\tthis._compileMaterial( this._cubemapShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectShader === null ) {\n\n\t\t\tthis._equirectShader = _getEquirectShader();\n\t\t\tthis._compileMaterial( this._equirectShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._blurMaterial.dispose();\n\n\t\tif ( this._cubemapShader !== null ) this._cubemapShader.dispose();\n\t\tif ( this._equirectShader !== null ) this._equirectShader.dispose();\n\n\t\tfor ( let i = 0; i < _lodPlanes.length; i ++ ) {\n\n\t\t\t_lodPlanes[ i ].dispose();\n\n\t\t}\n\n\t}\n\n\t// private interface\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._pingPongRenderTarget.dispose();\n\t\tthis._renderer.setRenderTarget( _oldTarget );\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets( texture );\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets( texture ) { // warning: null texture is valid\n\n\t\tconst params = {\n\t\t\tmagFilter: NearestFilter,\n\t\t\tminFilter: NearestFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: UnsignedByteType,\n\t\t\tformat: RGBEFormat,\n\t\t\tencoding: _isLDR( texture ) ? texture.encoding : RGBEEncoding,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( params );\n\t\tcubeUVRenderTarget.depthBuffer = texture ? false : true;\n\t\tthis._pingPongRenderTarget = _createRenderTarget( params );\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst tmpMesh = new Mesh( _lodPlanes[ 0 ], material );\n\t\tthis._renderer.compile( tmpMesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, - 1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst outputEncoding = renderer.outputEncoding;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.outputEncoding = LinearEncoding;\n\t\trenderer.autoClear = false;\n\n\t\tconst backgroundMaterial = new MeshBasicMaterial( {\n\t\t\tname: 'PMREM.Background',\n\t\t\tside: BackSide,\n\t\t\tdepthWrite: false,\n\t\t\tdepthTest: false,\n\t\t} );\n\n\t\tconst backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial );\n\n\t\tlet useSolidColor = false;\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\t\t\tif ( col == 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( forwardSign[ i ], 0, 0 );\n\n\t\t\t} else if ( col == 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.lookAt( 0, forwardSign[ i ], 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( 0, 0, forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\t_setViewport( cubeUVRenderTarget,\n\t\t\t\tcol * SIZE_MAX, i > 2 ? SIZE_MAX : 0, SIZE_MAX, SIZE_MAX );\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\tbackgroundBox.geometry.dispose();\n\t\tbackgroundBox.material.dispose();\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.outputEncoding = outputEncoding;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tif ( texture.isCubeTexture ) {\n\n\t\t\tif ( this._cubemapShader == null ) {\n\n\t\t\t\tthis._cubemapShader = _getCubemapShader();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( this._equirectShader == null ) {\n\n\t\t\t\tthis._equirectShader = _getEquirectShader();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = texture.isCubeTexture ? this._cubemapShader : this._equirectShader;\n\t\tconst mesh = new Mesh( _lodPlanes[ 0 ], material );\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tif ( ! texture.isCubeTexture ) {\n\n\t\t\tuniforms[ 'texelSize' ].value.set( 1.0 / texture.image.width, 1.0 / texture.image.height );\n\n\t\t}\n\n\t\tuniforms[ 'inputEncoding' ].value = ENCODINGS[ texture.encoding ];\n\t\tuniforms[ 'outputEncoding' ].value = ENCODINGS[ cubeUVRenderTarget.texture.encoding ];\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * SIZE_MAX, 2 * SIZE_MAX );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\n\t\tfor ( let i = 1; i < TOTAL_LODS; i ++ ) {\n\n\t\t\tconst sigma = Math.sqrt( _sigmas[ i ] * _sigmas[ i ] - _sigmas[ i - 1 ] * _sigmas[ i - 1 ] );\n\n\t\t\tconst poleAxis = _axisDirections[ ( i - 1 ) % _axisDirections.length ];\n\n\t\t\tthis._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\tconsole.error(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = new Mesh( _lodPlanes[ lodOut ], blurMaterial );\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = _sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\tconsole.warn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i == 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = LOD_MAX - lodIn;\n\t\tblurUniforms[ 'inputEncoding' ].value = ENCODINGS[ targetIn.texture.encoding ];\n\t\tblurUniforms[ 'outputEncoding' ].value = ENCODINGS[ targetIn.texture.encoding ];\n\n\t\tconst outputSize = _sizeLods[ lodOut ];\n\t\tconst x = 3 * Math.max( 0, SIZE_MAX - 2 * outputSize );\n\t\tconst y = ( lodOut === 0 ? 0 : 2 * SIZE_MAX ) + 2 * outputSize * ( lodOut > LOD_MAX - LOD_MIN ? lodOut - LOD_MAX + LOD_MIN : 0 );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\nfunction _isLDR( texture ) {\n\n\tif ( texture === undefined || texture.type !== UnsignedByteType ) return false;\n\n\treturn texture.encoding === LinearEncoding || texture.encoding === sRGBEncoding || texture.encoding === GammaEncoding;\n\n}\n\nfunction _createPlanes() {\n\n\tconst _lodPlanes = [];\n\tconst _sizeLods = [];\n\tconst _sigmas = [];\n\n\tlet lod = LOD_MAX;\n\n\tfor ( let i = 0; i < TOTAL_LODS; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\t_sizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > LOD_MAX - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - LOD_MAX + LOD_MIN - 1 ];\n\n\t\t} else if ( i == 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\t_sigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 1 );\n\t\tconst min = - texelSize / 2;\n\t\tconst max = 1 + texelSize / 2;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : - 1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\t_lodPlanes.push( planes );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { _lodPlanes, _sizeLods, _sigmas };\n\n}\n\nfunction _createRenderTarget( params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( 3 * SIZE_MAX, 3 * SIZE_MAX, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getBlurShader( maxSamples ) {\n\n\tconst weights = new Float32Array( maxSamples );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: { 'n': maxSamples },\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectShader() {\n\n\tconst texelSize = new Vector2( 1, 1 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'texelSize': { value: texelSize },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCubemapShader() {\n\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction _getEncodings() {\n\n\treturn /* glsl */`\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include <encodings_pars_fragment>\n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\t\tif ( cubeUVmaps.has( texture ) ) {\n\n\t\t\t\t\treturn cubeUVmaps.get( texture ).texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\tconst renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tlet extension;\n\n\t\tswitch ( name ) {\n\n\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\textension = gl.getExtension( name );\n\n\t\t}\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function ( capabilities ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\n\t\t\t} else {\n\n\t\t\t\tgetExtension( 'WEBGL_depth_texture' );\n\t\t\t\tgetExtension( 'OES_texture_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float_linear' );\n\t\t\t\tgetExtension( 'OES_standard_derivatives' );\n\t\t\t\tgetExtension( 'OES_element_index_uint' );\n\t\t\t\tgetExtension( 'OES_vertex_array_object' );\n\t\t\t\tgetExtension( 'ANGLE_instanced_arrays' );\n\n\t\t\t}\n\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], 34962 );\n\n\t\t}\n\n\t\t// morph targets\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = morphAttributes[ name ];\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tattributes.update( array[ i ], 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst attribute = new ( arrayMax( indices ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawElementsInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawElementsInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 4:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase 1:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase 3:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase 2:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase 0:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.error( 'THREE.WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.frame ++;\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nfunction numericalSort( a, b ) {\n\n\treturn a[ 0 ] - b[ 0 ];\n\n}\n\nfunction absNumericalSort( a, b ) {\n\n\treturn Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] );\n\n}\n\nfunction WebGLMorphtargets( gl ) {\n\n\tconst influencesList = {};\n\tconst morphInfluences = new Float32Array( 8 );\n\n\tconst workInfluences = [];\n\n\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\tworkInfluences[ i ] = [ i, 0 ];\n\n\t}\n\n\tfunction update( object, geometry, material, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\t// When object doesn't have morph target influences defined, we treat it as a 0-length array\n\t\t// This is important to make sure we set up morphTargetBaseInfluence / morphTargetInfluences\n\n\t\tconst length = objectInfluences === undefined ? 0 : objectInfluences.length;\n\n\t\tlet influences = influencesList[ geometry.id ];\n\n\t\tif ( influences === undefined || influences.length !== length ) {\n\n\t\t\t// initialise list\n\n\t\t\tinfluences = [];\n\n\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\tinfluences[ i ] = [ i, 0 ];\n\n\t\t\t}\n\n\t\t\tinfluencesList[ geometry.id ] = influences;\n\n\t\t}\n\n\t\t// Collect influences\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tconst influence = influences[ i ];\n\n\t\t\tinfluence[ 0 ] = i;\n\t\t\tinfluence[ 1 ] = objectInfluences[ i ];\n\n\t\t}\n\n\t\tinfluences.sort( absNumericalSort );\n\n\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\tif ( i < length && influences[ i ][ 1 ] ) {\n\n\t\t\t\tworkInfluences[ i ][ 0 ] = influences[ i ][ 0 ];\n\t\t\t\tworkInfluences[ i ][ 1 ] = influences[ i ][ 1 ];\n\n\t\t\t} else {\n\n\t\t\t\tworkInfluences[ i ][ 0 ] = Number.MAX_SAFE_INTEGER;\n\t\t\t\tworkInfluences[ i ][ 1 ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tworkInfluences.sort( numericalSort );\n\n\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\tconst morphNormals = geometry.morphAttributes.normal;\n\n\t\tlet morphInfluencesSum = 0;\n\n\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\tconst influence = workInfluences[ i ];\n\t\t\tconst index = influence[ 0 ];\n\t\t\tconst value = influence[ 1 ];\n\n\t\t\tif ( index !== Number.MAX_SAFE_INTEGER && value ) {\n\n\t\t\t\tif ( morphTargets && geometry.getAttribute( 'morphTarget' + i ) !== morphTargets[ index ] ) {\n\n\t\t\t\t\tgeometry.setAttribute( 'morphTarget' + i, morphTargets[ index ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( morphNormals && geometry.getAttribute( 'morphNormal' + i ) !== morphNormals[ index ] ) {\n\n\t\t\t\t\tgeometry.setAttribute( 'morphNormal' + i, morphNormals[ index ] );\n\n\t\t\t\t}\n\n\t\t\t\tmorphInfluences[ i ] = value;\n\t\t\t\tmorphInfluencesSum += value;\n\n\t\t\t} else {\n\n\t\t\t\tif ( morphTargets && geometry.hasAttribute( 'morphTarget' + i ) === true ) {\n\n\t\t\t\t\tgeometry.deleteAttribute( 'morphTarget' + i );\n\n\t\t\t\t}\n\n\t\t\t\tif ( morphNormals && geometry.hasAttribute( 'morphNormal' + i ) === true ) {\n\n\t\t\t\t\tgeometry.deleteAttribute( 'morphNormal' + i );\n\n\t\t\t\t}\n\n\t\t\t\tmorphInfluences[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// GLSL shader uses formula baseinfluence * base + sum(target * influence)\n\t\t// This allows us to switch between absolute morphs and relative morphs without changing shader code\n\t\t// When baseinfluence = 1 - sum(influence), the above is equivalent to sum((target - base) * influence)\n\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tattributes.update( object.instanceMatrix, 34962 );\n\n\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\tattributes.update( object.instanceColor, 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\nclass DataTexture2DArray extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture2DArray.prototype.isDataTexture2DArray = true;\n\nclass DataTexture3D extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in DataTexture3D directly.\n\t\t//\n\t\t//\tconst texture = new THREE.DataTexture3D( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture3D.prototype.isDataTexture3D = true;\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n *  \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with  name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\nconst emptyTexture = new Texture();\nconst emptyTexture2dArray = new DataTexture2DArray();\nconst emptyTexture3d = new DataTexture3D();\nconst emptyCubeTexture = new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTexture2D( v || emptyTexture, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || emptyTexture3d, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyTexture2dArray, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / Cube)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nfunction SingleUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.size = activeInfo.size;\n\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nPureArrayUniform.prototype.updateCache = function ( data ) {\n\n\tconst cache = this.cache;\n\n\tif ( data instanceof Float32Array && cache.length !== data.length ) {\n\n\t\tthis.cache = new Float32Array( data.length );\n\n\t}\n\n\tcopyArray( cache, data );\n\n};\n\nfunction StructuredUniform( id ) {\n\n\tthis.id = id;\n\n\tthis.seq = [];\n\tthis.map = {};\n\n}\n\nStructuredUniform.prototype.setValue = function ( gl, value, textures ) {\n\n\tconst seq = this.seq;\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t}\n\n};\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n//  - followed by an optional right bracket (found when array index)\n//  - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nfunction WebGLUniforms( gl, program ) {\n\n\tthis.seq = [];\n\tthis.map = {};\n\n\tconst n = gl.getProgramParameter( program, 35718 );\n\n\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\tparseUniform( info, addr, this );\n\n\t}\n\n}\n\nWebGLUniforms.prototype.setValue = function ( gl, name, value, textures ) {\n\n\tconst u = this.map[ name ];\n\n\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n};\n\nWebGLUniforms.prototype.setOptional = function ( gl, object, name ) {\n\n\tconst v = object[ name ];\n\n\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n};\n\n\n// Static interface\n\nWebGLUniforms.upload = function ( gl, seq, values, textures ) {\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ],\n\t\t\tv = values[ u.id ];\n\n\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t}\n\n\t}\n\n};\n\nWebGLUniforms.seqWithValue = function ( seq, values ) {\n\n\tconst r = [];\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tif ( u.id in values ) r.push( u );\n\n\t}\n\n\treturn r;\n\n};\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\nlet programIdCount = 0;\n\nfunction addLineNumbers( string ) {\n\n\tconst lines = string.split( '\\n' );\n\n\tfor ( let i = 0; i < lines.length; i ++ ) {\n\n\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t}\n\n\treturn lines.join( '\\n' );\n\n}\n\nfunction getEncodingComponents( encoding ) {\n\n\tswitch ( encoding ) {\n\n\t\tcase LinearEncoding:\n\t\t\treturn [ 'Linear', '( value )' ];\n\t\tcase sRGBEncoding:\n\t\t\treturn [ 'sRGB', '( value )' ];\n\t\tcase RGBEEncoding:\n\t\t\treturn [ 'RGBE', '( value )' ];\n\t\tcase RGBM7Encoding:\n\t\t\treturn [ 'RGBM', '( value, 7.0 )' ];\n\t\tcase RGBM16Encoding:\n\t\t\treturn [ 'RGBM', '( value, 16.0 )' ];\n\t\tcase RGBDEncoding:\n\t\t\treturn [ 'RGBD', '( value, 256.0 )' ];\n\t\tcase GammaEncoding:\n\t\t\treturn [ 'Gamma', '( value, float( GAMMA_FACTOR ) )' ];\n\t\tcase LogLuvEncoding:\n\t\t\treturn [ 'LogLuv', '( value )' ];\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported encoding:', encoding );\n\t\t\treturn [ 'Linear', '( value )' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, 35713 );\n\tconst errors = gl.getShaderInfoLog( shader ).trim();\n\n\tif ( status && errors === '' ) return '';\n\n\t// --enable-privileged-webgl-extension\n\t// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + addLineNumbers( gl.getShaderSource( shader ) );\n\n}\n\nfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return ' + components[ 0 ] + 'ToLinear' + components[ 1 ] + '; }';\n\n}\n\nfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }';\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'OptimizedCineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nfunction generateExtensions( parameters ) {\n\n\tconst chunks = [\n\t\t( parameters.extensionDerivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === 'physical' ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t( parameters.extensionFragDepth || parameters.logarithmicDepthBuffer ) && parameters.rendererExtensionFragDepth ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t( parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t( parameters.extensionShaderTextureLOD || parameters.envMap || parameters.transmission ) && parameters.rendererExtensionShaderTextureLod ? '#extension GL_EXT_shader_texture_lod : enable' : ''\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, 35721 );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === 35674 ) locationSize = 2;\n\t\tif ( info.type === 35675 ) locationSize = 3;\n\t\tif ( info.type === 35676 ) locationSize = 4;\n\n\t\t// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nfunction includeReplacer( match, include ) {\n\n\tconst string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst deprecatedUnrollLoopPattern = /#pragma unroll_loop[\\s]+?for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string\n\t\t.replace( unrollLoopPattern, loopReplacer )\n\t\t.replace( deprecatedUnrollLoopPattern, deprecatedLoopReplacer );\n\n}\n\nfunction deprecatedLoopReplacer( match, start, end, snippet ) {\n\n\tconsole.warn( 'WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.' );\n\treturn loopReplacer( match, start, end, snippet );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = 'precision ' + parameters.precision + ' float;\\nprecision ' + parameters.precision + ' int;';\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// console.log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\n\n\tconst gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\tconst customExtensions = parameters.isWebGL2 ? '' : generateExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\n\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularTintMap ? '#define USE_SPECULARTINTMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_MORPHTARGETS',\n\n\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t'\t#else',\n\n\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t'\t#endif',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularTintMap ? '#define USE_SPECULARTINTMAP' : '',\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\n\t\t\tparameters.sheenTint ? '#define USE_SHEEN' : '',\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t( ( parameters.extensionShaderTextureLOD || parameters.envMap ) && parameters.rendererExtensionShaderTextureLod ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.format === RGBFormat ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'encodings_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tparameters.map ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\tparameters.matcap ? getTexelDecodingFunction( 'matcapTexelToLinear', parameters.matcapEncoding ) : '',\n\t\t\tparameters.envMap ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\tparameters.emissiveMap ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\tparameters.specularTintMap ? getTexelDecodingFunction( 'specularTintMapTexelToLinear', parameters.specularTintMapEncoding ) : '',\n\t\t\tparameters.lightMap ? getTexelDecodingFunction( 'lightMapTexelToLinear', parameters.lightMapEncoding ) : '',\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ),\n\n\t\t\tparameters.depthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isWebGL2 && parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// console.log( '*VERTEX*', vertexGlsl );\n\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, 35633, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, 35632, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\t// check for link errors\n\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\tconst programLog = gl.getProgramInfoLog( program ).trim();\n\t\tconst vertexLog = gl.getShaderInfoLog( glVertexShader ).trim();\n\t\tconst fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();\n\n\t\tlet runnable = true;\n\t\tlet haveDiagnostics = true;\n\n\t\tif ( gl.getProgramParameter( program, 35714 ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\tconsole.error(\n\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, 35715 ) + '\\n\\n' +\n\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\tfragmentErrors\n\t\t\t);\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t}\n\n\t// Clean up\n\n\t// Crashes in iOS9 and iOS10. #18402\n\t// gl.detachShader( program, glVertexShader );\n\t// gl.detachShader( program, glFragmentShader );\n\n\tgl.deleteShader( glVertexShader );\n\tgl.deleteShader( glFragmentShader );\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst programs = [];\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst floatVertexTextures = capabilities.floatVertexTextures;\n\tconst maxVertexUniforms = capabilities.maxVertexUniforms;\n\tconst vertexTextures = capabilities.vertexTextures;\n\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tconst parameterNames = [\n\t\t'precision', 'isWebGL2', 'supportsVertexTextures', 'outputEncoding', 'instancing', 'instancingColor',\n\t\t'map', 'mapEncoding', 'matcap', 'matcapEncoding', 'envMap', 'envMapMode', 'envMapEncoding', 'envMapCubeUV',\n\t\t'lightMap', 'lightMapEncoding', 'aoMap', 'emissiveMap', 'emissiveMapEncoding', 'bumpMap', 'normalMap',\n\t\t'objectSpaceNormalMap', 'tangentSpaceNormalMap',\n\t\t'clearcoat', 'clearcoatMap', 'clearcoatRoughnessMap', 'clearcoatNormalMap',\n\t\t'displacementMap',\n\t\t'specularMap', 'specularIntensityMap', 'specularTintMap', 'specularTintMapEncoding', 'roughnessMap', 'metalnessMap', 'gradientMap',\n\t\t'alphaMap', 'alphaTest', 'combine', 'vertexColors', 'vertexAlphas', 'vertexTangents', 'vertexUvs', 'uvsVertexOnly', 'fog', 'useFog', 'fogExp2',\n\t\t'flatShading', 'sizeAttenuation', 'logarithmicDepthBuffer', 'skinning',\n\t\t'maxBones', 'useVertexTexture', 'morphTargets', 'morphNormals', 'premultipliedAlpha',\n\t\t'numDirLights', 'numPointLights', 'numSpotLights', 'numHemiLights', 'numRectAreaLights',\n\t\t'numDirLightShadows', 'numPointLightShadows', 'numSpotLightShadows',\n\t\t'shadowMapEnabled', 'shadowMapType', 'toneMapping', 'physicallyCorrectLights',\n\t\t'doubleSided', 'flipSided', 'numClippingPlanes', 'numClipIntersection', 'depthPacking', 'dithering', 'format',\n\t\t'sheenTint', 'transmission', 'transmissionMap', 'thicknessMap'\n\t];\n\n\tfunction getMaxBones( object ) {\n\n\t\tconst skeleton = object.skeleton;\n\t\tconst bones = skeleton.bones;\n\n\t\tif ( floatVertexTextures ) {\n\n\t\t\treturn 1024;\n\n\t\t} else {\n\n\t\t\t// default for when object is not specified\n\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t//\n\t\t\t//  - leave some extra space for other uniforms\n\t\t\t//  - limit here is ANGLE's 254 max uniform vectors\n\t\t\t//    (up to 54 should be safe)\n\n\t\t\tconst nVertexUniforms = maxVertexUniforms;\n\t\t\tconst nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\tconst maxBones = Math.min( nVertexMatrices, bones.length );\n\n\t\t\tif ( maxBones < bones.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Skeleton has ' + bones.length + ' bones. This GPU supports ' + maxBones + '.' );\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\treturn maxBones;\n\n\t\t}\n\n\t}\n\n\tfunction getTextureEncodingFromMap( map ) {\n\n\t\tlet encoding;\n\n\t\tif ( map && map.isTexture ) {\n\n\t\t\tencoding = map.encoding;\n\n\t\t} else if ( map && map.isWebGLRenderTarget ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLPrograms.getTextureEncodingFromMap: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\tencoding = map.texture.encoding;\n\n\t\t} else {\n\n\t\t\tencoding = LinearEncoding;\n\n\t\t}\n\n\t\treturn encoding;\n\n\t}\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tconst maxBones = object.isSkinnedMesh ? getMaxBones( object ) : 0;\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet vertexShader, fragmentShader;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tconst useAlphaTest = material.alphaTest > 0;\n\t\tconst useClearcoat = material.clearcoat > 0;\n\n\t\tconst parameters = {\n\n\t\t\tisWebGL2: isWebGL2,\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderName: material.type,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tinstancing: object.isInstancedMesh === true,\n\t\t\tinstancingColor: object.isInstancedMesh === true && object.instanceColor !== null,\n\n\t\t\tsupportsVertexTextures: vertexTextures,\n\t\t\toutputEncoding: ( currentRenderTarget !== null ) ? getTextureEncodingFromMap( currentRenderTarget.texture ) : renderer.outputEncoding,\n\t\t\tmap: !! material.map,\n\t\t\tmapEncoding: getTextureEncodingFromMap( material.map ),\n\t\t\tmatcap: !! material.matcap,\n\t\t\tmatcapEncoding: getTextureEncodingFromMap( material.matcap ),\n\t\t\tenvMap: !! envMap,\n\t\t\tenvMapMode: envMap && envMap.mapping,\n\t\t\tenvMapEncoding: getTextureEncodingFromMap( envMap ),\n\t\t\tenvMapCubeUV: ( !! envMap ) && ( ( envMap.mapping === CubeUVReflectionMapping ) || ( envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\tlightMap: !! material.lightMap,\n\t\t\tlightMapEncoding: getTextureEncodingFromMap( material.lightMap ),\n\t\t\taoMap: !! material.aoMap,\n\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap ),\n\t\t\tbumpMap: !! material.bumpMap,\n\t\t\tnormalMap: !! material.normalMap,\n\t\t\tobjectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap,\n\t\t\ttangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tclearcoat: useClearcoat,\n\t\t\tclearcoatMap: useClearcoat && !! material.clearcoatMap,\n\t\t\tclearcoatRoughnessMap: useClearcoat && !! material.clearcoatRoughnessMap,\n\t\t\tclearcoatNormalMap: useClearcoat && !! material.clearcoatNormalMap,\n\n\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\tspecularMap: !! material.specularMap,\n\t\t\tspecularIntensityMap: !! material.specularIntensityMap,\n\t\t\tspecularTintMap: !! material.specularTintMap,\n\t\t\tspecularTintMapEncoding: getTextureEncodingFromMap( material.specularTintMap ),\n\n\t\t\talphaMap: !! material.alphaMap,\n\t\t\talphaTest: useAlphaTest,\n\n\t\t\tgradientMap: !! material.gradientMap,\n\n\t\t\tsheenTint: ( !! material.sheenTint && ( material.sheenTint.r > 0 || material.sheenTint.g > 0 || material.sheenTint.b > 0 ) ),\n\n\t\t\ttransmission: material.transmission > 0,\n\t\t\ttransmissionMap: !! material.transmissionMap,\n\t\t\tthicknessMap: !! material.thicknessMap,\n\n\t\t\tcombine: material.combine,\n\n\t\t\tvertexTangents: ( !! material.normalMap && !! object.geometry && !! object.geometry.attributes.tangent ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! object.geometry && !! object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4,\n\t\t\tvertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatMap || !! material.clearcoatRoughnessMap || !! material.clearcoatNormalMap || !! material.displacementMap || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularTintMap,\n\t\t\tuvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || material.transmission > 0 || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularTintMap ) && !! material.displacementMap,\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog,\n\t\t\tfogExp2: ( fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: !! material.flatShading,\n\n\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true && maxBones > 0,\n\t\t\tmaxBones: maxBones,\n\t\t\tuseVertexTexture: floatVertexTextures,\n\n\t\t\tmorphTargets: !! object.geometry && !! object.geometry.morphAttributes.position,\n\t\t\tmorphNormals: !! object.geometry && !! object.geometry.morphAttributes.normal,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tformat: material.format,\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping,\n\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionDerivatives: material.extensions && material.extensions.derivatives,\n\t\t\textensionFragDepth: material.extensions && material.extensions.fragDepth,\n\t\t\textensionDrawBuffers: material.extensions && material.extensions.drawBuffers,\n\t\t\textensionShaderTextureLOD: material.extensions && material.extensions.shaderTextureLOD,\n\n\t\t\trendererExtensionFragDepth: isWebGL2 || extensions.has( 'EXT_frag_depth' ),\n\t\t\trendererExtensionDrawBuffers: isWebGL2 || extensions.has( 'WEBGL_draw_buffers' ),\n\t\t\trendererExtensionShaderTextureLod: isWebGL2 || extensions.has( 'EXT_shader_texture_lod' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( parameters.fragmentShader );\n\t\t\tarray.push( parameters.vertexShader );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tfor ( let i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\tarray.push( renderer.outputEncoding );\n\t\t\tarray.push( renderer.gammaFactor );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.program !== b.program ) {\n\n\t\treturn a.program.id - b.program.id;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList( properties ) {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tconst defaultProgram = { id: - 1 };\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tprogram: materialProperties.program || defaultProgram,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.program = materialProperties.program || defaultProgram;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.program = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists( properties ) {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tlet list;\n\n\t\tif ( lists.has( scene ) === false ) {\n\n\t\t\tlist = new WebGLRenderList( properties );\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= lists.get( scene ).length ) {\n\n\t\t\t\tlist = new WebGLRenderList( properties );\n\t\t\t\tlists.get( scene ).push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = lists.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 1 : 0 ) - ( lightA.castShadow ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions, capabilities ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: - 1,\n\t\t\tpointLength: - 1,\n\t\t\tspotLength: - 1,\n\t\t\trectAreaLength: - 1,\n\t\t\themiLength: - 1,\n\n\t\t\tnumDirectionalShadows: - 1,\n\t\t\tnumPointShadows: - 1,\n\t\t\tnumSpotShadows: - 1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotShadowMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: []\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights, physicallyCorrectLights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\n\t\tlights.sort( shadowCastingLightsFirst );\n\n\t\t// artist-friendly light intensity scaling factor\n\t\tconst scaleFactor = ( physicallyCorrectLights !== true ) ? Math.PI : 1;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity * scaleFactor;\n\t\t\t\tg += color.g * intensity * scaleFactor;\n\t\t\t\tb += color.b * intensity * scaleFactor;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\tstate.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\t// (a) intensity is the total visible light emitted\n\t\t\t\t//uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) );\n\n\t\t\t\t// (b) intensity is the brightness of the light\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity * scaleFactor );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t// WebGL 2\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\t// WebGL 1\n\n\t\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t\t} else if ( extensions.has( 'OES_texture_half_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotShadowMatrix.length = numSpotShadows;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions, capabilities ) {\n\n\tconst lights = new WebGLLights( extensions, capabilities );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init() {\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights( physicallyCorrectLights ) {\n\n\t\tlights.setup( lightsArray, physicallyCorrectLights );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tlights: lights\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions, capabilities ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tlet renderState;\n\n\t\tif ( renderStates.has( scene ) === false ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStates.get( scene ).length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\t\trenderStates.get( scene ).push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStates.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\n/**\n * parameters = {\n *\n *  opacity: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>\n * }\n */\n\nclass MeshDepthMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n/**\n * parameters = {\n *\n *  referencePosition: <float>,\n *  nearDistance: <float>,\n *  farDistance: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>\n *\n * }\n */\n\nclass MeshDistanceMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\tthis.referencePosition = new Vector3();\n\t\tthis.nearDistance = 1;\n\t\tthis.farDistance = 1000;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.referencePosition.copy( source.referencePosition );\n\t\tthis.nearDistance = source.nearDistance;\n\t\tthis.farDistance = source.farDistance;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDistanceMaterial.prototype.isMeshDistanceMaterial = true;\n\nvar vsm_frag = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\nuniform float samples;\\n#include <packing>\\nvoid main() {\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nvar vsm_vert = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nfunction WebGLShadowMap( _renderer, _objects, _capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = _capabilities.maxTextureSize;\n\n\tconst shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 },\n\t\t\tsamples: { value: 8.0 }\n\t\t},\n\n\t\tvertexShader: vsm_vert,\n\n\t\tfragmentShader: vsm_frag\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = _renderer.getRenderTarget();\n\t\tconst activeCubeFace = _renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = _renderer.getActiveMipmapLevel();\n\n\t\tconst _state = _renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null && ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tconst pars = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\tconst pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\t_renderer.setRenderTarget( shadow.map );\n\t\t\t_renderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\tscope.needsUpdate = false;\n\n\t\t_renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = _objects.update( fullScreenMesh );\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\tshadowMaterialVertical.uniforms.samples.value = shadow.blurSamples;\n\t\t_renderer.setRenderTarget( shadow.mapPass );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\tshadowMaterialHorizontal.uniforms.samples.value = shadow.blurSamples;\n\t\t_renderer.setRenderTarget( shadow.map );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, geometry, material, light, shadowCameraNear, shadowCameraFar, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t}\n\n\t\tif ( ( _renderer.localClippingEnabled && material.clipShadows === true && material.clippingPlanes.length !== 0 ) ||\n\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t( material.alphaMap && material.alphaTest > 0 ) ) {\n\n\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t// appropriate state\n\n\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t}\n\n\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult = cachedMaterial;\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = material.alphaTest;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tresult.referencePosition.setFromMatrixPosition( light.matrixWorld );\n\t\t\tresult.nearDistance = shadowCameraNear;\n\t\t\tresult.farDistance = shadowCameraFar;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = _objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, groupMaterial, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, material, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n}\n\nfunction WebGLState( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( 2929 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( 2929 );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 512 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 519 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 513 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 514 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 518 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 516 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 517 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( 2960 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( 2960 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t     currentStencilRef !== stencilRef ||\n\t\t\t\t     currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t     currentStencilZFail !== stencilZFail ||\n\t\t\t\t     currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tlet enabledCapabilities = {};\n\n\tlet xrFramebuffer = null;\n\tlet currentBoundFramebuffers = {};\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( 35661 );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( 7938 );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( 3088 );\n\tconst viewportParam = gl.getParameter( 2978 );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, 10241, 9728 );\n\t\tgl.texParameteri( type, 10240, 9728 );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tgl.texImage2D( target + i, 0, 6408, 1, 1, 0, 6408, 5121, data );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ 3553 ] = createTexture( 3553, 3553, 1 );\n\temptyTextures[ 34067 ] = createTexture( 34067, 34069, 6 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( 2929 );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( 2884 );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindXRFramebuffer( framebuffer ) {\n\n\t\tif ( framebuffer !== xrFramebuffer ) {\n\n\t\t\tgl.bindFramebuffer( 36160, framebuffer );\n\n\t\t\txrFramebuffer = framebuffer;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( framebuffer === null && xrFramebuffer !== null ) framebuffer = xrFramebuffer; // use active XR framebuffer if available\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t// 36009 is equivalent to 36160\n\n\t\t\t\tif ( target === 36009 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36160 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t\tif ( target === 36160 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36009 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: 32774,\n\t\t[ SubtractEquation ]: 32778,\n\t\t[ ReverseSubtractEquation ]: 32779\n\t};\n\n\tif ( isWebGL2 ) {\n\n\t\tequationToGL[ MinEquation ] = 32775;\n\t\tequationToGL[ MaxEquation ] = 32776;\n\n\t} else {\n\n\t\tconst extension = extensions.get( 'EXT_blend_minmax' );\n\n\t\tif ( extension !== null ) {\n\n\t\t\tequationToGL[ MinEquation ] = extension.MIN_EXT;\n\t\t\tequationToGL[ MaxEquation ] = extension.MAX_EXT;\n\n\t\t}\n\n\t}\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: 0,\n\t\t[ OneFactor ]: 1,\n\t\t[ SrcColorFactor ]: 768,\n\t\t[ SrcAlphaFactor ]: 770,\n\t\t[ SrcAlphaSaturateFactor ]: 776,\n\t\t[ DstColorFactor ]: 774,\n\t\t[ DstAlphaFactor ]: 772,\n\t\t[ OneMinusSrcColorFactor ]: 769,\n\t\t[ OneMinusSrcAlphaFactor ]: 771,\n\t\t[ OneMinusDstColorFactor ]: 775,\n\t\t[ OneMinusDstAlphaFactor ]: 773\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( 3042 );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( 3042 );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( 32774 );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 1, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 1, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 0, 769, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 768, 0, 770 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 770, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 770, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 769 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 768 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = null;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( 2884 )\n\t\t\t: enable( 2884 );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( 32926 )\n\t\t\t: disable( 32926 );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( 2304 );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( 2305 );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( 2884 );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( 1029 );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( 1028 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( 1032 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 2884 );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( 32823 );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 32823 );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( 3089 );\n\n\t\t} else {\n\n\t\t\tdisable( 3089 );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = 33984 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\tif ( currentTextureSlot === null ) {\n\n\t\t\tactiveTexture();\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( 3042 );\n\t\tgl.disable( 2884 );\n\t\tgl.disable( 2929 );\n\t\tgl.disable( 32823 );\n\t\tgl.disable( 3089 );\n\t\tgl.disable( 2960 );\n\t\tgl.disable( 32926 );\n\n\t\tgl.blendEquation( 32774 );\n\t\tgl.blendFunc( 1, 0 );\n\t\tgl.blendFuncSeparate( 1, 0, 1, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( 513 );\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( 519, 0, 0xffffffff );\n\t\tgl.stencilOp( 7680, 7680, 7680 );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( 1029 );\n\t\tgl.frontFace( 2305 );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( 33984 );\n\n\t\tgl.bindFramebuffer( 36160, null );\n\n\t\tif ( isWebGL2 === true ) {\n\n\t\t\tgl.bindFramebuffer( 36009, null );\n\t\t\tgl.bindFramebuffer( 36008, null );\n\n\t\t}\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\txrFramebuffer = null;\n\t\tcurrentBoundFramebuffers = {};\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\t\tbindXRFramebuffer: bindXRFramebuffer,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst maxTextures = capabilities.maxTextures;\n\tconst maxCubemapSize = capabilities.maxCubemapSize;\n\tconst maxTextureSize = capabilities.maxTextureSize;\n\tconst maxSamples = capabilities.maxSamples;\n\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\tnew OffscreenCanvas( width, height ) :\n\t\t\tdocument.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsPowerOfTwo, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( image.width, image.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 || needsPowerOfTwo === true ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\t\tconst floor = needsPowerOfTwo ? floorPowerOfTwo : Math.floor;\n\n\t\t\t\tconst width = floor( scale * image.width );\n\t\t\t\tconst height = floor( scale * image.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + image.width + 'x' + image.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + image.width + 'x' + image.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction isPowerOfTwo$1( image ) {\n\n\t\treturn isPowerOfTwo( image.width ) && isPowerOfTwo( image.height );\n\n\t}\n\n\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\tif ( isWebGL2 ) return false;\n\n\t\treturn ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) ||\n\t\t\t( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter );\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture, supportsMips ) {\n\n\t\treturn texture.generateMipmaps && supportsMips &&\n\t\t\ttexture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;\n\n\t}\n\n\tfunction generateMipmap( target, texture, width, height, depth = 1 ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\ttextureProperties.__maxMipLevel = Math.log2( Math.max( width, height, depth ) );\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType ) {\n\n\t\tif ( isWebGL2 === false ) return glFormat;\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === 6403 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 33326;\n\t\t\tif ( glType === 5131 ) internalFormat = 33325;\n\t\t\tif ( glType === 5121 ) internalFormat = 33321;\n\n\t\t}\n\n\t\tif ( glFormat === 6407 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34837;\n\t\t\tif ( glType === 5131 ) internalFormat = 34843;\n\t\t\tif ( glType === 5121 ) internalFormat = 32849;\n\n\t\t}\n\n\t\tif ( glFormat === 6408 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34836;\n\t\t\tif ( glType === 5131 ) internalFormat = 34842;\n\t\t\tif ( glType === 5121 ) internalFormat = 32856;\n\n\t\t}\n\n\t\tif ( internalFormat === 33325 || internalFormat === 33326 ||\n\t\t\tinternalFormat === 34842 || internalFormat === 34836 ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\t// Fallback filters for non-power-of-2 textures\n\n\tfunction filterFallback( f ) {\n\n\t\tif ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) {\n\n\t\t\treturn 9728;\n\n\t\t}\n\n\t\treturn 9729;\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( ! renderTarget ) return;\n\n\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\tinfo.memory.textures --;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = texture.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachmentProperties = properties.get( texture[ i ] );\n\n\t\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\t\tinfo.memory.textures --;\n\n\t\t\t\t}\n\n\t\t\t\tproperties.remove( texture[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= maxTextures ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 3553, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 35866, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 32879, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: 10497,\n\t\t[ ClampToEdgeWrapping ]: 33071,\n\t\t[ MirroredRepeatWrapping ]: 33648\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: 9728,\n\t\t[ NearestMipmapNearestFilter ]: 9984,\n\t\t[ NearestMipmapLinearFilter ]: 9986,\n\n\t\t[ LinearFilter ]: 9729,\n\t\t[ LinearMipmapNearestFilter ]: 9985,\n\t\t[ LinearMipmapLinearFilter ]: 9987\n\t};\n\n\tfunction setTextureParameters( textureType, texture, supportsMips ) {\n\n\t\tif ( supportsMips ) {\n\n\t\t\t_gl.texParameteri( textureType, 10242, wrappingToGL[ texture.wrapS ] );\n\t\t\t_gl.texParameteri( textureType, 10243, wrappingToGL[ texture.wrapT ] );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, wrappingToGL[ texture.wrapR ] );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterToGL[ texture.magFilter ] );\n\t\t\t_gl.texParameteri( textureType, 10241, filterToGL[ texture.minFilter ] );\n\n\t\t} else {\n\n\t\t\t_gl.texParameteri( textureType, 10242, 33071 );\n\t\t\t_gl.texParameteri( textureType, 10243, 33071 );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, 33071 );\n\n\t\t\t}\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.' );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterFallback( texture.magFilter ) );\n\t\t\t_gl.texParameteri( textureType, 10241, filterFallback( texture.minFilter ) );\n\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension for WebGL 1 and WebGL 2\n\t\t\tif ( isWebGL2 === false && ( texture.type === HalfFloatType && extensions.has( 'OES_texture_half_float_linear' ) === false ) ) return; // verify extension for WebGL 1 only\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = 3553;\n\n\t\tif ( texture.isDataTexture2DArray ) textureType = 35866;\n\t\tif ( texture.isDataTexture3D ) textureType = 32879;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst needsPowerOfTwo = textureNeedsPowerOfTwo( texture ) && isPowerOfTwo$1( texture.image ) === false;\n\t\tconst image = resizeImage( texture.image, needsPowerOfTwo, false, maxTextureSize );\n\n\t\tconst supportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format );\n\n\t\tlet glType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType );\n\n\t\tsetTextureParameters( textureType, texture, supportsMips );\n\n\t\tlet mipmap;\n\t\tconst mipmaps = texture.mipmaps;\n\n\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t// populate depth texture with dummy data\n\n\t\t\tglInternalFormat = 6402;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t} else if ( texture.type === UnsignedIntType ) {\n\n\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t} else if ( texture.type === UnsignedInt248Type ) {\n\n\t\t\t\t\tglInternalFormat = 35056;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tglInternalFormat = 33189; // WebGL2 requires sized internalformat for glTexImage2D\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tconsole.error( 'WebGLRenderer: Floating point depth texture requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// validation checks for WebGL 1\n\n\t\t\tif ( texture.format === DepthFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedShortType;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.format === DepthStencilFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tglInternalFormat = 34041;\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL.\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedInt248Type ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedInt248Type;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\t\t\t\ttextureProperties.__maxMipLevel = mipmaps.length - 1;\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\t\t\t\ttextureProperties.__maxMipLevel = 0;\n\n\t\t\t}\n\n\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\tstate.compressedTexImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttextureProperties.__maxMipLevel = mipmaps.length - 1;\n\n\t\t} else if ( texture.isDataTexture2DArray ) {\n\n\t\t\tstate.texImage3D( 35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\t\t\ttextureProperties.__maxMipLevel = 0;\n\n\t\t} else if ( texture.isDataTexture3D ) {\n\n\t\t\tstate.texImage3D( 32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\t\t\ttextureProperties.__maxMipLevel = 0;\n\n\t\t} else {\n\n\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\t\t\t\ttextureProperties.__maxMipLevel = mipmaps.length - 1;\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, glFormat, glType, image );\n\t\t\t\ttextureProperties.__maxMipLevel = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\tgenerateMipmap( textureType, texture, image.width, image.height );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst isCompressed = ( texture && ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ) );\n\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\tconst cubeImage = [];\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], false, true, maxCubemapSize );\n\n\t\t\t} else {\n\n\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst image = cubeImage[ 0 ],\n\t\t\tsupportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format ),\n\t\t\tglType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType );\n\n\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\tlet mipmaps;\n\n\t\tif ( isCompressed ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttextureProperties.__maxMipLevel = mipmaps.length - 1;\n\n\t\t} else {\n\n\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttextureProperties.__maxMipLevel = mipmaps.length;\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t// We assume images for cube map have the same size.\n\t\t\tgenerateMipmap( 34067, texture, image.width, image.height );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget ) {\n\n\t\tconst glFormat = utils.convert( texture.format );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType );\n\n\t\tif ( textureTarget === 32879 || textureTarget === 35866 ) {\n\n\t\t\tstate.texImage3D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t} else {\n\n\t\t\tstate.texImage2D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\t\t_gl.framebufferTexture2D( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0 );\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( 36161, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\tlet glInternalFormat = 33189;\n\n\t\t\tif ( isMultisample ) {\n\n\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\n\t\t\t\tif ( depthTexture && depthTexture.isDepthTexture ) {\n\n\t\t\t\t\tif ( depthTexture.type === FloatType ) {\n\n\t\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t\t} else if ( depthTexture.type === UnsignedIntType ) {\n\n\t\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 36096, 36161, renderbuffer );\n\n\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\tif ( isMultisample ) {\n\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, 34041, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 33306, 36161, renderbuffer );\n\n\t\t} else {\n\n\t\t\t// Use the first texture for MRT so far\n\t\t\tconst texture = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture[ 0 ] : renderTarget.texture;\n\n\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\tconst glType = utils.convert( texture.type );\n\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType );\n\n\t\t\tif ( isMultisample ) {\n\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\t_gl.framebufferTexture2D( 36160, 36096, 3553, webglDepthTexture, 0 );\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\t_gl.framebufferTexture2D( 36160, 33306, 3553, webglDepthTexture, 0 );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer );\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets !== true ) {\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( renderTarget.isWebGLMultipleRenderTargets === true );\n\t\tconst isMultisample = ( renderTarget.isWebGLMultisampleRenderTarget === true );\n\t\tconst isRenderTarget3D = texture.isDataTexture3D || texture.isDataTexture2DArray;\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\t// Handles WebGL2 RGBFormat fallback - #18858\n\n\t\tif ( isWebGL2 && texture.format === RGBFormat && ( texture.type === FloatType || texture.type === HalfFloatType ) ) {\n\n\t\t\ttexture.format = RGBAFormat;\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.' );\n\n\t\t}\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tif ( capabilities.drawBuffers ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.' );\n\n\t\t\t\t}\n\n\t\t\t} else if ( isMultisample ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, renderTargetProperties.__webglColorRenderbuffer );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( 36160, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer );\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, null );\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, 36064, 34069 + i );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( 34067, texture, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tconst textures = renderTarget.texture;\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tstate.bindTexture( 3553, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( 3553, attachment, supportsMips );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, 36064 + i, 3553 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment, supportsMips ) ) {\n\n\t\t\t\t\tgenerateMipmap( 3553, attachment, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = 3553;\n\n\t\t\tif ( isRenderTarget3D ) {\n\n\t\t\t\t// Render targets containing layers, i.e: Texture 3D and 2d arrays\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\tconst isTexture3D = texture.isDataTexture3D;\n\t\t\t\t\tglTextureType = isTexture3D ? 32879 : 35866;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.DataTexture3D and THREE.DataTexture2DArray only supported with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture, supportsMips );\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, 36064, glTextureType );\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType, texture, renderTarget.width, renderTarget.height, renderTarget.depth );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\tconst textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [ renderTarget.texture ];\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tconst target = renderTarget.isWebGLCubeRenderTarget ? 34067 : 3553;\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\tgenerateMipmap( target, texture, renderTarget.width, renderTarget.height );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( renderTarget.isWebGLMultisampleRenderTarget ) {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tconst width = renderTarget.width;\n\t\t\t\tconst height = renderTarget.height;\n\t\t\t\tlet mask = 16384;\n\n\t\t\t\tif ( renderTarget.depthBuffer ) mask |= 256;\n\t\t\t\tif ( renderTarget.stencilBuffer ) mask |= 1024;\n\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tstate.bindFramebuffer( 36008, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, 9728 );\n\n\t\t\t\tstate.bindFramebuffer( 36008, null );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn ( isWebGL2 && renderTarget.isWebGLMultisampleRenderTarget ) ?\n\t\t\tMath.min( maxSamples, renderTarget.samples ) : 0;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\t// backwards compatibility\n\n\tlet warnedTexture2D = false;\n\tlet warnedTextureCube = false;\n\n\tfunction safeSetTexture2D( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\tif ( warnedTexture2D === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTexture2D: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTexture2D = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\t\tsetTexture2D( texture, slot );\n\n\t}\n\n\tfunction safeSetTextureCube( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLCubeRenderTarget ) {\n\n\t\t\tif ( warnedTextureCube === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTextureCube: don\\'t use cube render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTextureCube = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\n\t\tsetTextureCube( texture, slot );\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\n\tthis.safeSetTexture2D = safeSetTexture2D;\n\tthis.safeSetTextureCube = safeSetTextureCube;\n\n}\n\nfunction WebGLUtils( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction convert( p ) {\n\n\t\tlet extension;\n\n\t\tif ( p === UnsignedByteType ) return 5121;\n\t\tif ( p === UnsignedShort4444Type ) return 32819;\n\t\tif ( p === UnsignedShort5551Type ) return 32820;\n\t\tif ( p === UnsignedShort565Type ) return 33635;\n\n\t\tif ( p === ByteType ) return 5120;\n\t\tif ( p === ShortType ) return 5122;\n\t\tif ( p === UnsignedShortType ) return 5123;\n\t\tif ( p === IntType ) return 5124;\n\t\tif ( p === UnsignedIntType ) return 5125;\n\t\tif ( p === FloatType ) return 5126;\n\n\t\tif ( p === HalfFloatType ) {\n\n\t\t\tif ( isWebGL2 ) return 5131;\n\n\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.HALF_FLOAT_OES;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === AlphaFormat ) return 6406;\n\t\tif ( p === RGBFormat ) return 6407;\n\t\tif ( p === RGBAFormat ) return 6408;\n\t\tif ( p === LuminanceFormat ) return 6409;\n\t\tif ( p === LuminanceAlphaFormat ) return 6410;\n\t\tif ( p === DepthFormat ) return 6402;\n\t\tif ( p === DepthStencilFormat ) return 34041;\n\t\tif ( p === RedFormat ) return 6403;\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedIntegerFormat ) return 36244;\n\t\tif ( p === RGFormat ) return 33319;\n\t\tif ( p === RGIntegerFormat ) return 33320;\n\t\tif ( p === RGBIntegerFormat ) return 36248;\n\t\tif ( p === RGBAIntegerFormat ) return 36249;\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\tp === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC2_Format ) return extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_4x4_Format || p === SRGB8_ALPHA8_ASTC_5x4_Format || p === SRGB8_ALPHA8_ASTC_5x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_6x5_Format || p === SRGB8_ALPHA8_ASTC_6x6_Format || p === SRGB8_ALPHA8_ASTC_8x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_8x6_Format || p === SRGB8_ALPHA8_ASTC_8x8_Format || p === SRGB8_ALPHA8_ASTC_10x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_10x6_Format || p === SRGB8_ALPHA8_ASTC_10x8_Format || p === SRGB8_ALPHA8_ASTC_10x10_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_12x10_Format || p === SRGB8_ALPHA8_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_BPTC_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\tif ( isWebGL2 ) return 34042;\n\n\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nclass ArrayCamera extends PerspectiveCamera {\n\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\tthis.cameras = array;\n\n\t}\n\n}\n\nArrayCamera.prototype.isArrayCamera = true;\n\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nGroup.prototype.isGroup = true;\n\nconst _moveEvent = { type: 'move' };\n\nclass WebXRController {\n\n\tconstructor() {\n\n\t\tthis._targetRay = null;\n\t\tthis._grip = null;\n\t\tthis._hand = null;\n\n\t}\n\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\t\tconst joint = new Group();\n\t\t\t\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\t\t\t\tjoint.visible = false;\n\t\t\t\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\t\t\t\t\t\t// ??\n\t\t\t\t\t\thand.add( joint );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst joint = hand.joints[ inputjoint.jointName ];\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass WebXRManager extends EventDispatcher {\n\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\t\tconst state = renderer.state;\n\n\t\tlet session = null;\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glFramebuffer = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet isMultisample = false;\n\t\tlet glMultisampledFramebuffer = null;\n\t\tlet glColorRenderbuffer = null;\n\t\tlet glDepthRenderbuffer = null;\n\t\tlet xrFrame = null;\n\t\tlet depthStyle = null;\n\t\tlet clearStyle = null;\n\n\t\tconst controllers = [];\n\t\tconst inputSourcesMap = new Map();\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.layers.enable( 1 );\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.layers.enable( 2 );\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraVR = new ArrayCamera();\n\t\tcameraVR.layers.enable( 1 );\n\t\tcameraVR.layers.enable( 2 );\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\tthis.cameraAutoUpdate = true;\n\t\tthis.enabled = false;\n\n\t\tthis.isPresenting = false;\n\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controller = inputSourcesMap.get( event.inputSource );\n\n\t\t\tif ( controller ) {\n\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tinputSourcesMap.forEach( function ( controller, inputSource ) {\n\n\t\t\t\tcontroller.disconnect( inputSource );\n\n\t\t\t} );\n\n\t\t\tinputSourcesMap.clear();\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\tstate.bindXRFramebuffer( null );\n\t\t\trenderer.setRenderTarget( renderer.getRenderTarget() );\n\n\t\t\tif ( glFramebuffer ) gl.deleteFramebuffer( glFramebuffer );\n\t\t\tif ( glMultisampledFramebuffer ) gl.deleteFramebuffer( glMultisampledFramebuffer );\n\t\t\tif ( glColorRenderbuffer ) gl.deleteRenderbuffer( glColorRenderbuffer );\n\t\t\tif ( glDepthRenderbuffer ) gl.deleteRenderbuffer( glDepthRenderbuffer );\n\t\t\tglFramebuffer = null;\n\t\t\tglMultisampledFramebuffer = null;\n\t\t\tglColorRenderbuffer = null;\n\t\t\tglDepthRenderbuffer = null;\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn referenceSpace;\n\n\t\t};\n\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\tthis.getBinding = function () {\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tconst attributes = gl.getContextAttributes();\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tif ( session.renderState.layers === undefined ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: attributes.antialias,\n\t\t\t\t\t\talpha: attributes.alpha,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t} else if ( gl instanceof WebGLRenderingContext ) {\n\n\t\t\t\t\t// Use old style webgl layer because we can't use MSAA\n\t\t\t\t\t// WebGL2 support.\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: true,\n\t\t\t\t\t\talpha: attributes.alpha,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glBaseLayer ] } );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tisMultisample = attributes.antialias;\n\t\t\t\t\tlet depthFormat = null;\n\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tclearStyle = 256;\n\n\t\t\t\t\t\tif ( attributes.stencil ) clearStyle |= 1024;\n\n\t\t\t\t\t\tdepthStyle = attributes.stencil ? 33306 : 36096;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? 35056 : 33190;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: attributes.alpha ? 32856 : 32849,\n\t\t\t\t\t\tdepthFormat: depthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tglFramebuffer = gl.createFramebuffer();\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\tif ( isMultisample ) {\n\n\t\t\t\t\t\tglMultisampledFramebuffer = gl.createFramebuffer();\n\t\t\t\t\t\tglColorRenderbuffer = gl.createRenderbuffer();\n\t\t\t\t\t\tgl.bindRenderbuffer( 36161, glColorRenderbuffer );\n\t\t\t\t\t\tgl.renderbufferStorageMultisample(\n\t\t\t\t\t\t\t36161,\n\t\t\t\t\t\t\t4,\n\t\t\t\t\t\t\t32856,\n\t\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\t\tglProjLayer.textureHeight );\n\t\t\t\t\t\tstate.bindFramebuffer( 36160, glMultisampledFramebuffer );\n\t\t\t\t\t\tgl.framebufferRenderbuffer( 36160, 36064, 36161, glColorRenderbuffer );\n\t\t\t\t\t\tgl.bindRenderbuffer( 36161, null );\n\n\t\t\t\t\t\tif ( depthFormat !== null ) {\n\n\t\t\t\t\t\t\tglDepthRenderbuffer = gl.createRenderbuffer();\n\t\t\t\t\t\t\tgl.bindRenderbuffer( 36161, glDepthRenderbuffer );\n\t\t\t\t\t\t\tgl.renderbufferStorageMultisample( 36161, 4, depthFormat, glProjLayer.textureWidth, glProjLayer.textureHeight );\n\t\t\t\t\t\t\tgl.framebufferRenderbuffer( 36160, depthStyle, 36161, glDepthRenderbuffer );\n\t\t\t\t\t\t\tgl.bindRenderbuffer( 36161, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tstate.bindFramebuffer( 36160, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\t// Assign inputSources to available controllers\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tinputSourcesMap.set( inputSources[ i ], controllers[ i ] );\n\n\t\t\t}\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\t\t\t\t\tinputSourcesMap.delete( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t// although must now be relative to the new union camera.\n\t\t\tconst near2 = near + zOffset;\n\t\t\tconst far2 = far + zOffset;\n\t\t\tconst left2 = left - xOffset;\n\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tcameraVR.near = cameraR.near = cameraL.near = camera.near;\n\t\t\tcameraVR.far = cameraR.far = cameraL.far = camera.far;\n\n\t\t\tif ( _currentDepthNear !== cameraVR.near || _currentDepthFar !== cameraVR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraVR.near,\n\t\t\t\t\tdepthFar: cameraVR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraVR.near;\n\t\t\t\t_currentDepthFar = cameraVR.far;\n\n\t\t\t}\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraVR.cameras;\n\n\t\t\tupdateCamera( cameraVR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\tcameraVR.matrixWorld.decompose( cameraVR.position, cameraVR.quaternion, cameraVR.scale );\n\n\t\t\t// update user camera and its children\n\n\t\t\tcamera.position.copy( cameraVR.position );\n\t\t\tcamera.quaternion.copy( cameraVR.quaternion );\n\t\t\tcamera.scale.copy( cameraVR.scale );\n\t\t\tcamera.matrix.copy( cameraVR.matrix );\n\t\t\tcamera.matrixWorld.copy( cameraVR.matrixWorld );\n\n\t\t\tconst children = camera.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( true );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraVR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraVR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraVR;\n\n\t\t};\n\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\treturn glProjLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\treturn glBaseLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t};\n\n\t\tthis.setFoveation = function ( foveation ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\tstate.bindXRFramebuffer( glBaseLayer.framebuffer );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraVRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraVR's camera list\n\n\t\t\t\tif ( views.length !== cameraVR.cameras.length ) {\n\n\t\t\t\t\tcameraVR.cameras.length = 0;\n\n\t\t\t\t\tcameraVRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\n\t\t\t\t\t\tstate.bindXRFramebuffer( glFramebuffer );\n\n\t\t\t\t\t\tif ( glSubImage.depthStencilTexture !== undefined ) {\n\n\t\t\t\t\t\t\tgl.framebufferTexture2D( 36160, depthStyle, 3553, glSubImage.depthStencilTexture, 0 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.framebufferTexture2D( 36160, 36064, 3553, glSubImage.colorTexture, 0 );\n\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst camera = cameras[ i ];\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraVR.matrix.copy( camera.matrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraVRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraVR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( isMultisample ) {\n\n\t\t\t\t\tstate.bindXRFramebuffer( glMultisampledFramebuffer );\n\n\t\t\t\t\tif ( clearStyle !== null ) gl.clear( clearStyle );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst controller = controllers[ i ];\n\t\t\t\tconst inputSource = inputSources[ i ];\n\n\t\t\t\tcontroller.update( inputSource, frame, referenceSpace );\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\tif ( isMultisample ) {\n\n\t\t\t\tconst width = glProjLayer.textureWidth;\n\t\t\t\tconst height = glProjLayer.textureHeight;\n\n\t\t\t\tstate.bindFramebuffer( 36008, glMultisampledFramebuffer );\n\t\t\t\tstate.bindFramebuffer( 36009, glFramebuffer );\n\t\t\t\t// Invalidate the depth here to avoid flush of the depth data to main memory.\n\t\t\t\tgl.invalidateFramebuffer( 36008, [ depthStyle ] );\n\t\t\t\tgl.invalidateFramebuffer( 36009, [ depthStyle ] );\n\t\t\t\tgl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, 16384, 9728 );\n\t\t\t\t// Invalidate the MSAA buffer because it's not needed anymore.\n\t\t\t\tgl.invalidateFramebuffer( 36008, [ 36064 ] );\n\t\t\t\tstate.bindFramebuffer( 36008, null );\n\t\t\t\tstate.bindFramebuffer( 36009, null );\n\n\t\t\t\tstate.bindFramebuffer( 36160, glMultisampledFramebuffer );\n\n\t\t\t}\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nfunction WebGLMaterials( properties ) {\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tuniforms.fogColor.value.copy( fog.color );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsLambert( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t} else {\n\n\t\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDepth( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsNormal( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t\tconst maxMipLevel = properties.get( envMap ).__maxMipLevel;\n\n\t\t\tif ( maxMipLevel !== undefined ) {\n\n\t\t\t\tuniforms.maxMipLevel.value = maxMipLevel;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. specular map\n\t\t// 3. displacementMap map\n\t\t// 4. normal map\n\t\t// 5. bump map\n\t\t// 6. roughnessMap map\n\t\t// 7. metalnessMap map\n\t\t// 8. alphaMap map\n\t\t// 9. emissiveMap map\n\t\t// 10. clearcoat map\n\t\t// 11. clearcoat normal map\n\t\t// 12. clearcoat roughnessMap map\n\t\t// 13. specular intensity map\n\t\t// 14. specular tint map\n\t\t// 15. transmission map\n\t\t// 16. thickness map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.specularMap ) {\n\n\t\t\tuvScaleMap = material.specularMap;\n\n\t\t} else if ( material.displacementMap ) {\n\n\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t} else if ( material.normalMap ) {\n\n\t\t\tuvScaleMap = material.normalMap;\n\n\t\t} else if ( material.bumpMap ) {\n\n\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t} else if ( material.roughnessMap ) {\n\n\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t} else if ( material.metalnessMap ) {\n\n\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t} else if ( material.emissiveMap ) {\n\n\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t} else if ( material.clearcoatMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatMap;\n\n\t\t} else if ( material.clearcoatNormalMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatNormalMap;\n\n\t\t} else if ( material.clearcoatRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatRoughnessMap;\n\n\t\t} else if ( material.specularIntensityMap ) {\n\n\t\t\tuvScaleMap = material.specularIntensityMap;\n\n\t\t} else if ( material.specularTintMap ) {\n\n\t\t\tuvScaleMap = material.specularTintMap;\n\n\t\t} else if ( material.transmissionMap ) {\n\n\t\t\tuvScaleMap = material.transmissionMap;\n\n\t\t} else if ( material.thicknessMap ) {\n\n\t\t\tuvScaleMap = material.thicknessMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities for uv2\n\t\t// 1. ao map\n\t\t// 2. light map\n\n\t\tlet uv2ScaleMap;\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuv2ScaleMap = material.aoMap;\n\n\t\t} else if ( material.lightMap ) {\n\n\t\t\tuv2ScaleMap = material.lightMap;\n\n\t\t}\n\n\t\tif ( uv2ScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uv2ScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuv2ScaleMap = uv2ScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uv2ScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuv2ScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uv2Transform.value.copy( uv2ScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.roughness.value = material.roughness;\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t}\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\trefreshUniformsStandard( uniforms, material );\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheenTint ) uniforms.sheenTint.value.copy( material.sheenTint );\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationTint.value.copy( material.attenuationTint );\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularTint.value.copy( material.specularTint );\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t}\n\n\t\tif ( material.specularTintMap ) {\n\n\t\t\tuniforms.specularTintMap.value = material.specularTintMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDepth( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tuniforms.referencePosition.value.copy( material.referencePosition );\n\t\tuniforms.nearDistance.value = material.nearDistance;\n\t\tuniforms.farDistance.value = material.farDistance;\n\n\t}\n\n\tfunction refreshUniformsNormal( uniforms, material ) {\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nfunction WebGLRenderer( parameters = {} ) {\n\n\tconst _canvas = parameters.canvas !== undefined ? parameters.canvas : createCanvasElement(),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false,\n\t\t_powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default',\n\t\t_failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== undefined ? parameters.failIfMajorPerformanceCaveat : false;\n\n\tlet currentRenderList = null;\n\tlet currentRenderState = null;\n\n\t// render() can be called from within a callback triggered by another render.\n\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\tconst renderListStack = [];\n\tconst renderStateStack = [];\n\n\t// public properties\n\n\tthis.domElement = _canvas;\n\n\t// Debug configuration container\n\tthis.debug = {\n\n\t\t/**\n\t\t * Enables error checking and reporting when shader programs are being compiled\n\t\t * @type {boolean}\n\t\t */\n\t\tcheckShaderErrors: true\n\t};\n\n\t// clearing\n\n\tthis.autoClear = true;\n\tthis.autoClearColor = true;\n\tthis.autoClearDepth = true;\n\tthis.autoClearStencil = true;\n\n\t// scene graph\n\n\tthis.sortObjects = true;\n\n\t// user-defined clipping\n\n\tthis.clippingPlanes = [];\n\tthis.localClippingEnabled = false;\n\n\t// physically based shading\n\n\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\tthis.outputEncoding = LinearEncoding;\n\n\t// physical lights\n\n\tthis.physicallyCorrectLights = false;\n\n\t// tone mapping\n\n\tthis.toneMapping = NoToneMapping;\n\tthis.toneMappingExposure = 1.0;\n\n\t// internal properties\n\n\tconst _this = this;\n\n\tlet _isContextLost = false;\n\n\t// internal state cache\n\n\tlet _currentActiveCubeFace = 0;\n\tlet _currentActiveMipmapLevel = 0;\n\tlet _currentRenderTarget = null;\n\tlet _currentMaterialId = - 1;\n\n\tlet _currentCamera = null;\n\n\tconst _currentViewport = new Vector4();\n\tconst _currentScissor = new Vector4();\n\tlet _currentScissorTest = null;\n\n\t//\n\n\tlet _width = _canvas.width;\n\tlet _height = _canvas.height;\n\n\tlet _pixelRatio = 1;\n\tlet _opaqueSort = null;\n\tlet _transparentSort = null;\n\n\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\tlet _scissorTest = false;\n\n\t//\n\n\tconst _currentDrawBuffers = [];\n\n\t// frustum\n\n\tconst _frustum = new Frustum();\n\n\t// clipping\n\n\tlet _clippingEnabled = false;\n\tlet _localClippingEnabled = false;\n\n\t// transmission\n\n\tlet _transmissionRenderTarget = null;\n\n\t// camera matrices cache\n\n\tconst _projScreenMatrix = new Matrix4();\n\n\tconst _vector3 = new Vector3();\n\n\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\tfunction getTargetPixelRatio() {\n\n\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t}\n\n\t// initialize\n\n\tlet _gl = _context;\n\n\tfunction getContext( contextNames, contextAttributes ) {\n\n\t\tfor ( let i = 0; i < contextNames.length; i ++ ) {\n\n\t\t\tconst contextName = contextNames[ i ];\n\t\t\tconst context = _canvas.getContext( contextName, contextAttributes );\n\t\t\tif ( context !== null ) return context;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\ttry {\n\n\t\tconst contextAttributes = {\n\t\t\talpha: _alpha,\n\t\t\tdepth: _depth,\n\t\t\tstencil: _stencil,\n\t\t\tantialias: _antialias,\n\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer,\n\t\t\tpowerPreference: _powerPreference,\n\t\t\tfailIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat\n\t\t};\n\n\t\t// event listeners must be registered before WebGL context is created, see #12753\n\n\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\tif ( _gl === null ) {\n\n\t\t\tconst contextNames = [ 'webgl2', 'webgl', 'experimental-webgl' ];\n\n\t\t\tif ( _this.isWebGL1Renderer === true ) {\n\n\t\t\t\tcontextNames.shift();\n\n\t\t\t}\n\n\t\t\t_gl = getContext( contextNames, contextAttributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( getContext( contextNames ) ) {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t};\n\n\t\t}\n\n\t} catch ( error ) {\n\n\t\tconsole.error( 'THREE.WebGLRenderer: ' + error.message );\n\t\tthrow error;\n\n\t}\n\n\tlet extensions, capabilities, state, info;\n\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\tlet utils, bindingStates;\n\n\tfunction initGLContext() {\n\n\t\textensions = new WebGLExtensions( _gl );\n\n\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\textensions.init( capabilities );\n\n\t\tutils = new WebGLUtils( _gl, extensions, capabilities );\n\n\t\tstate = new WebGLState( _gl, extensions, capabilities );\n\n\t\t_currentDrawBuffers[ 0 ] = 1029;\n\n\t\tinfo = new WebGLInfo( _gl );\n\t\tproperties = new WebGLProperties();\n\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\tattributes = new WebGLAttributes( _gl, capabilities );\n\t\tbindingStates = new WebGLBindingStates( _gl, extensions, attributes, capabilities );\n\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\tmorphtargets = new WebGLMorphtargets( _gl );\n\t\tclipping = new WebGLClipping( properties );\n\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\tmaterials = new WebGLMaterials( properties );\n\t\trenderLists = new WebGLRenderLists( properties );\n\t\trenderStates = new WebGLRenderStates( extensions, capabilities );\n\t\tbackground = new WebGLBackground( _this, cubemaps, state, objects, _premultipliedAlpha );\n\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\n\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities );\n\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities );\n\n\t\tinfo.programs = programCache.programs;\n\n\t\t_this.capabilities = capabilities;\n\t\t_this.extensions = extensions;\n\t\t_this.properties = properties;\n\t\t_this.renderLists = renderLists;\n\t\t_this.shadowMap = shadowMap;\n\t\t_this.state = state;\n\t\t_this.info = info;\n\n\t}\n\n\tinitGLContext();\n\n\t// xr\n\n\tconst xr = new WebXRManager( _this, _gl );\n\n\tthis.xr = xr;\n\n\t// API\n\n\tthis.getContext = function () {\n\n\t\treturn _gl;\n\n\t};\n\n\tthis.getContextAttributes = function () {\n\n\t\treturn _gl.getContextAttributes();\n\n\t};\n\n\tthis.forceContextLoss = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.loseContext();\n\n\t};\n\n\tthis.forceContextRestore = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.restoreContext();\n\n\t};\n\n\tthis.getPixelRatio = function () {\n\n\t\treturn _pixelRatio;\n\n\t};\n\n\tthis.setPixelRatio = function ( value ) {\n\n\t\tif ( value === undefined ) return;\n\n\t\t_pixelRatio = value;\n\n\t\tthis.setSize( _width, _height, false );\n\n\t};\n\n\tthis.getSize = function ( target ) {\n\n\t\treturn target.set( _width, _height );\n\n\t};\n\n\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\tif ( xr.isPresenting ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_canvas.width = Math.floor( width * _pixelRatio );\n\t\t_canvas.height = Math.floor( height * _pixelRatio );\n\n\t\tif ( updateStyle !== false ) {\n\n\t\t\t_canvas.style.width = width + 'px';\n\t\t\t_canvas.style.height = height + 'px';\n\n\t\t}\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t};\n\n\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_pixelRatio = pixelRatio;\n\n\t\t_canvas.width = Math.floor( width * pixelRatio );\n\t\t_canvas.height = Math.floor( height * pixelRatio );\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getCurrentViewport = function ( target ) {\n\n\t\treturn target.copy( _currentViewport );\n\n\t};\n\n\tthis.getViewport = function ( target ) {\n\n\t\treturn target.copy( _viewport );\n\n\t};\n\n\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_viewport.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissor = function ( target ) {\n\n\t\treturn target.copy( _scissor );\n\n\t};\n\n\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_scissor.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissorTest = function () {\n\n\t\treturn _scissorTest;\n\n\t};\n\n\tthis.setScissorTest = function ( boolean ) {\n\n\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t};\n\n\tthis.setOpaqueSort = function ( method ) {\n\n\t\t_opaqueSort = method;\n\n\t};\n\n\tthis.setTransparentSort = function ( method ) {\n\n\t\t_transparentSort = method;\n\n\t};\n\n\t// Clearing\n\n\tthis.getClearColor = function ( target ) {\n\n\t\treturn target.copy( background.getClearColor() );\n\n\t};\n\n\tthis.setClearColor = function () {\n\n\t\tbackground.setClearColor.apply( background, arguments );\n\n\t};\n\n\tthis.getClearAlpha = function () {\n\n\t\treturn background.getClearAlpha();\n\n\t};\n\n\tthis.setClearAlpha = function () {\n\n\t\tbackground.setClearAlpha.apply( background, arguments );\n\n\t};\n\n\tthis.clear = function ( color, depth, stencil ) {\n\n\t\tlet bits = 0;\n\n\t\tif ( color === undefined || color ) bits |= 16384;\n\t\tif ( depth === undefined || depth ) bits |= 256;\n\t\tif ( stencil === undefined || stencil ) bits |= 1024;\n\n\t\t_gl.clear( bits );\n\n\t};\n\n\tthis.clearColor = function () {\n\n\t\tthis.clear( true, false, false );\n\n\t};\n\n\tthis.clearDepth = function () {\n\n\t\tthis.clear( false, true, false );\n\n\t};\n\n\tthis.clearStencil = function () {\n\n\t\tthis.clear( false, false, true );\n\n\t};\n\n\t//\n\n\tthis.dispose = function () {\n\n\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\trenderLists.dispose();\n\t\trenderStates.dispose();\n\t\tproperties.dispose();\n\t\tcubemaps.dispose();\n\t\tcubeuvmaps.dispose();\n\t\tobjects.dispose();\n\t\tbindingStates.dispose();\n\n\t\txr.dispose();\n\n\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\tif ( _transmissionRenderTarget ) {\n\n\t\t\t_transmissionRenderTarget.dispose();\n\t\t\t_transmissionRenderTarget = null;\n\n\t\t}\n\n\t\tanimation.stop();\n\n\t};\n\n\t// Events\n\n\tfunction onContextLost( event ) {\n\n\t\tevent.preventDefault();\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Lost.' );\n\n\t\t_isContextLost = true;\n\n\t}\n\n\tfunction onContextRestore( /* event */ ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Restored.' );\n\n\t\t_isContextLost = false;\n\n\t\tconst infoAutoReset = info.autoReset;\n\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\tconst shadowMapType = shadowMap.type;\n\n\t\tinitGLContext();\n\n\t\tinfo.autoReset = infoAutoReset;\n\t\tshadowMap.enabled = shadowMapEnabled;\n\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\tshadowMap.type = shadowMapType;\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\tdeallocateMaterial( material );\n\n\t}\n\n\t// Buffer deallocation\n\n\tfunction deallocateMaterial( material ) {\n\n\t\treleaseMaterialProgramReferences( material );\n\n\t\tproperties.remove( material );\n\n\t}\n\n\n\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\tconst programs = properties.get( material ).programs;\n\n\t\tif ( programs !== undefined ) {\n\n\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\t// Buffer rendering\n\n\tfunction renderObjectImmediate( object, program ) {\n\n\t\tobject.render( function ( object ) {\n\n\t\t\t_this.renderBufferImmediate( object, program );\n\n\t\t} );\n\n\t}\n\n\tthis.renderBufferImmediate = function ( object, program ) {\n\n\t\tbindingStates.initAttributes();\n\n\t\tconst buffers = properties.get( object );\n\n\t\tif ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();\n\t\tif ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();\n\t\tif ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();\n\t\tif ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tif ( object.hasPositions ) {\n\n\t\t\t_gl.bindBuffer( 34962, buffers.position );\n\t\t\t_gl.bufferData( 34962, object.positionArray, 35048 );\n\n\t\t\tbindingStates.enableAttribute( programAttributes.position.location );\n\t\t\t_gl.vertexAttribPointer( programAttributes.position.location, 3, 5126, false, 0, 0 );\n\n\t\t}\n\n\t\tif ( object.hasNormals ) {\n\n\t\t\t_gl.bindBuffer( 34962, buffers.normal );\n\t\t\t_gl.bufferData( 34962, object.normalArray, 35048 );\n\n\t\t\tbindingStates.enableAttribute( programAttributes.normal.location );\n\t\t\t_gl.vertexAttribPointer( programAttributes.normal.location, 3, 5126, false, 0, 0 );\n\n\t\t}\n\n\t\tif ( object.hasUvs ) {\n\n\t\t\t_gl.bindBuffer( 34962, buffers.uv );\n\t\t\t_gl.bufferData( 34962, object.uvArray, 35048 );\n\n\t\t\tbindingStates.enableAttribute( programAttributes.uv.location );\n\t\t\t_gl.vertexAttribPointer( programAttributes.uv.location, 2, 5126, false, 0, 0 );\n\n\t\t}\n\n\t\tif ( object.hasColors ) {\n\n\t\t\t_gl.bindBuffer( 34962, buffers.color );\n\t\t\t_gl.bufferData( 34962, object.colorArray, 35048 );\n\n\t\t\tbindingStates.enableAttribute( programAttributes.color.location );\n\t\t\t_gl.vertexAttribPointer( programAttributes.color.location, 3, 5126, false, 0, 0 );\n\n\t\t}\n\n\t\tbindingStates.disableUnusedAttributes();\n\n\t\t_gl.drawArrays( 4, 0, object.count );\n\n\t\tobject.count = 0;\n\n\t};\n\n\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\tconst program = setProgram( camera, scene, material, object );\n\n\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t//\n\n\t\tlet index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\n\t\t//\n\n\t\tif ( index === null ) {\n\n\t\t\tif ( position === undefined || position.count === 0 ) return;\n\n\t\t} else if ( index.count === 0 ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t//\n\n\t\tlet rangeFactor = 1;\n\n\t\tif ( material.wireframe === true ) {\n\n\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\t\t\trangeFactor = 2;\n\n\t\t}\n\n\t\tif ( geometry.morphAttributes.position !== undefined || geometry.morphAttributes.normal !== undefined ) {\n\n\t\t\tmorphtargets.update( object, geometry, material, program );\n\n\t\t}\n\n\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\tlet attribute;\n\t\tlet renderer = bufferRenderer;\n\n\t\tif ( index !== null ) {\n\n\t\t\tattribute = attributes.get( index );\n\n\t\t\trenderer = indexedBufferRenderer;\n\t\t\trenderer.setIndex( attribute );\n\n\t\t}\n\n\t\t//\n\n\t\tconst dataCount = ( index !== null ) ? index.count : position.count;\n\n\t\tconst rangeStart = geometry.drawRange.start * rangeFactor;\n\t\tconst rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\tconst groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\tconst groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\tconst drawStart = Math.max( rangeStart, groupStart );\n\t\tconst drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\tconst drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\t//\n\n\t\tif ( object.isMesh ) {\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 4 );\n\n\t\t\t}\n\n\t\t} else if ( object.isLine ) {\n\n\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\trenderer.setMode( 2 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 3 );\n\n\t\t\t}\n\n\t\t} else if ( object.isPoints ) {\n\n\t\t\trenderer.setMode( 0 );\n\n\t\t} else if ( object.isSprite ) {\n\n\t\t\trenderer.setMode( 4 );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\tconst instanceCount = Math.min( geometry.instanceCount, geometry._maxInstanceCount );\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t} else {\n\n\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t}\n\n\t};\n\n\t// Compile\n\n\tthis.compile = function ( scene, camera ) {\n\n\t\tcurrentRenderState = renderStates.get( scene );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tscene.traverse( function ( object ) {\n\n\t\t\tconst material = object.material;\n\n\t\t\tif ( material ) {\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\tgetProgram( material2, scene, object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\trenderStateStack.pop();\n\t\tcurrentRenderState = null;\n\n\t};\n\n\t// Animation Loop\n\n\tlet onAnimationFrameCallback = null;\n\n\tfunction onAnimationFrame( time ) {\n\n\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t}\n\n\tfunction onXRSessionStart() {\n\n\t\tanimation.stop();\n\n\t}\n\n\tfunction onXRSessionEnd() {\n\n\t\tanimation.start();\n\n\t}\n\n\tconst animation = new WebGLAnimation();\n\tanimation.setAnimationLoop( onAnimationFrame );\n\n\tif ( typeof window !== 'undefined' ) animation.setContext( window );\n\n\tthis.setAnimationLoop = function ( callback ) {\n\n\t\tonAnimationFrameCallback = callback;\n\t\txr.setAnimationLoop( callback );\n\n\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t};\n\n\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t// Rendering\n\n\tthis.render = function ( scene, camera ) {\n\n\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( _isContextLost === true ) return;\n\n\t\t// update scene graph\n\n\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t// update camera matrices and frustum\n\n\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t}\n\n\t\t//\n\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\tcurrentRenderList.init();\n\n\t\trenderListStack.push( currentRenderList );\n\n\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\tcurrentRenderList.finish();\n\n\t\tif ( _this.sortObjects === true ) {\n\n\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t//\n\n\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t//\n\n\t\tbackground.render( currentRenderList, scene );\n\n\t\t// render scene\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tif ( camera.isArrayCamera ) {\n\n\t\t\tconst cameras = camera.cameras;\n\n\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\tstate.buffers.depth.setTest( true );\n\t\tstate.buffers.depth.setMask( true );\n\t\tstate.buffers.color.setMask( true );\n\n\t\tstate.setPolygonOffset( false );\n\n\t\t// _gl.finish();\n\n\t\tbindingStates.resetDefaultState();\n\t\t_currentMaterialId = - 1;\n\t\t_currentCamera = null;\n\n\t\trenderStateStack.pop();\n\n\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderState = null;\n\n\t\t}\n\n\t\trenderListStack.pop();\n\n\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderList = null;\n\n\t\t}\n\n\t};\n\n\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible ) {\n\n\t\t\tif ( object.isGroup ) {\n\n\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isImmediateRenderObject ) {\n\n\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tcurrentRenderList.push( object, null, object.material, groupOrder, _vector3.z, null );\n\n\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t// update skeleton only once in a frame\n\n\t\t\t\t\tif ( object.skeleton.frame !== info.render.frame ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\t\t\t\t\t\tobject.skeleton.frame = info.render.frame;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t}\n\n\t}\n\n\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\t\tconst transparentObjects = currentRenderList.transparent;\n\n\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, scene, camera );\n\n\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t}\n\n\tfunction renderTransmissionPass( opaqueObjects, scene, camera ) {\n\n\t\tif ( _transmissionRenderTarget === null ) {\n\n\t\t\tconst needsAntialias = _antialias === true && capabilities.isWebGL2 === true;\n\t\t\tconst renderTargetType = needsAntialias ? WebGLMultisampleRenderTarget : WebGLRenderTarget;\n\n\t\t\t_transmissionRenderTarget = new renderTargetType( 1024, 1024, {\n\t\t\t\tgenerateMipmaps: true,\n\t\t\t\ttype: utils.convert( HalfFloatType ) !== null ? HalfFloatType : UnsignedByteType,\n\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\tmagFilter: NearestFilter,\n\t\t\t\twrapS: ClampToEdgeWrapping,\n\t\t\t\twrapT: ClampToEdgeWrapping\n\t\t\t} );\n\n\t\t}\n\n\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t_this.setRenderTarget( _transmissionRenderTarget );\n\t\t_this.clear();\n\n\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\tconst currentToneMapping = _this.toneMapping;\n\t\t_this.toneMapping = NoToneMapping;\n\n\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t_this.toneMapping = currentToneMapping;\n\n\t\ttextures.updateMultisampleRenderTarget( _transmissionRenderTarget );\n\t\ttextures.updateRenderTargetMipmap( _transmissionRenderTarget );\n\n\t\t_this.setRenderTarget( currentRenderTarget );\n\n\t}\n\n\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\tconst object = renderItem.object;\n\t\t\tconst geometry = renderItem.geometry;\n\t\t\tconst material = overrideMaterial === null ? renderItem.material : overrideMaterial;\n\t\t\tconst group = renderItem.group;\n\n\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\tif ( object.isImmediateRenderObject ) {\n\n\t\t\tconst program = setProgram( camera, scene, material, object );\n\n\t\t\tstate.setMaterial( material );\n\n\t\t\tbindingStates.reset();\n\n\t\t\trenderObjectImmediate( object, program );\n\n\t\t} else {\n\n\t\t\tif ( material.transparent === true && material.side === DoubleSide ) {\n\n\t\t\t\tmaterial.side = BackSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = FrontSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = DoubleSide;\n\n\t\t\t} else {\n\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t}\n\n\t\t}\n\n\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t}\n\n\tfunction getProgram( material, scene, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst lights = currentRenderState.state.lights;\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tconst lightsStateVersion = lights.state.version;\n\n\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\tlet programs = materialProperties.programs;\n\n\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tmaterialProperties.fog = scene.fog;\n\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\n\t\tif ( programs === undefined ) {\n\n\t\t\t// new material\n\n\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tprograms = new Map();\n\t\t\tmaterialProperties.programs = programs;\n\n\t\t}\n\n\t\tlet program = programs.get( programCacheKey );\n\n\t\tif ( program !== undefined ) {\n\n\t\t\t// early out if program and light state is identical\n\n\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\treturn program;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\tmaterial.onBuild( parameters, _this );\n\n\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t}\n\n\t\tconst uniforms = materialProperties.uniforms;\n\n\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t}\n\n\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t// store the light setup it was created for\n\n\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\tuniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix;\n\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t}\n\n\t\tconst progUniforms = program.getUniforms();\n\t\tconst uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\tmaterialProperties.currentProgram = program;\n\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\treturn program;\n\n\t}\n\n\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tmaterialProperties.outputEncoding = parameters.outputEncoding;\n\t\tmaterialProperties.instancing = parameters.instancing;\n\t\tmaterialProperties.skinning = parameters.skinning;\n\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\n\t}\n\n\tfunction setProgram( camera, scene, material, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\ttextures.resetTextureUnits();\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tconst encoding = ( _currentRenderTarget === null ) ? _this.outputEncoding : _currentRenderTarget.texture.encoding;\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst vertexAlphas = material.vertexColors === true && !! object.geometry && !! object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4;\n\t\tconst vertexTangents = !! object.geometry && !! object.geometry.attributes.tangent;\n\t\tconst morphTargets = !! object.geometry && !! object.geometry.morphAttributes.position;\n\t\tconst morphNormals = !! object.geometry && !! object.geometry.morphAttributes.normal;\n\n\t\tconst materialProperties = properties.get( material );\n\t\tconst lights = currentRenderState.state.lights;\n\n\t\tif ( _clippingEnabled === true ) {\n\n\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\tconst useCache =\n\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t// (#8465, #8379)\n\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tlet needsProgramChange = false;\n\n\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.outputEncoding !== encoding ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tneedsProgramChange = true;\n\t\t\tmaterialProperties.__version = material.version;\n\n\t\t}\n\n\t\t//\n\n\t\tlet program = materialProperties.currentProgram;\n\n\t\tif ( needsProgramChange === true ) {\n\n\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t}\n\n\t\tlet refreshProgram = false;\n\t\tlet refreshMaterial = false;\n\t\tlet refreshLights = false;\n\n\t\tconst p_uniforms = program.getUniforms(),\n\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\trefreshProgram = true;\n\t\t\trefreshMaterial = true;\n\t\t\trefreshLights = true;\n\n\t\t}\n\n\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t_currentMaterialId = material.id;\n\n\t\t\trefreshMaterial = true;\n\n\t\t}\n\n\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t}\n\n\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t}\n\n\t\t\t// load material specific uniforms\n\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\tmaterial.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.envMap ) {\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ||\n\t\t\t\tmaterial.isShadowMaterial ||\n\t\t\t\tobject.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// skinning uniforms must be set even if material didn't change\n\t\t// auto-setting of texture unit for bone texture must go before other textures\n\t\t// otherwise textures used for skinning can take over texture units reserved for other material textures\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( skeleton ) {\n\n\t\t\t\tif ( capabilities.floatVertexTextures ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t}\n\n\t\tif ( refreshMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t// values\n\t\t\t\t//\n\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t// the GL state when required\n\n\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t}\n\n\t\t\t// refresh uniforms common to several materials\n\n\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t}\n\n\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget );\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\n\t\t}\n\n\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t}\n\n\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t}\n\n\t\t// common matrices\n\n\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\treturn program;\n\n\t}\n\n\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\tuniforms.directionalLights.needsUpdate = value;\n\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\tuniforms.pointLights.needsUpdate = value;\n\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\tuniforms.spotLights.needsUpdate = value;\n\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t}\n\n\tfunction materialNeedsLights( material ) {\n\n\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t}\n\n\tthis.getActiveCubeFace = function () {\n\n\t\treturn _currentActiveCubeFace;\n\n\t};\n\n\tthis.getActiveMipmapLevel = function () {\n\n\t\treturn _currentActiveMipmapLevel;\n\n\t};\n\n\tthis.getRenderTarget = function () {\n\n\t\treturn _currentRenderTarget;\n\n\t};\n\n\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t_currentRenderTarget = renderTarget;\n\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\n\t\tif ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {\n\n\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t}\n\n\t\tlet framebuffer = null;\n\t\tlet isCube = false;\n\t\tlet isRenderTarget3D = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst texture = renderTarget.texture;\n\n\t\t\tif ( texture.isDataTexture3D || texture.isDataTexture2DArray ) {\n\n\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t}\n\n\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\t\t\t\tisCube = true;\n\n\t\t\t} else if ( renderTarget.isWebGLMultisampleRenderTarget ) {\n\n\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t}\n\n\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t} else {\n\n\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t}\n\n\t\tconst framebufferBound = state.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( framebufferBound && capabilities.drawBuffers ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== textures.length || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t_currentDrawBuffers[ i ] = 36064 + i;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t_currentDrawBuffers.length = textures.length;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\t_currentDrawBuffers[ 0 ] = 36064;\n\t\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 1029 ) {\n\n\t\t\t\t\t_currentDrawBuffers[ 0 ] = 1029;\n\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t\t_gl.drawBuffers( _currentDrawBuffers );\n\n\t\t\t\t} else {\n\n\t\t\t\t\textensions.get( 'WEBGL_draw_buffers' ).drawBuffersWEBGL( _currentDrawBuffers );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport );\n\t\tstate.scissor( _currentScissor );\n\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\tif ( isCube ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t_gl.framebufferTexture2D( 36160, 36064, 34069 + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\tconst layer = activeCubeFace || 0;\n\t\t\t_gl.framebufferTextureLayer( 36160, 36064, textureProperties.__webglTexture, activeMipmapLevel || 0, layer );\n\n\t\t}\n\n\t\t_currentMaterialId = - 1; // reset current material to ensure correct uniform bindings\n\n\t};\n\n\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t}\n\n\t\tif ( framebuffer ) {\n\n\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\ttry {\n\n\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( 35739 ) ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || ( capabilities.isWebGL2 && extensions.has( 'EXT_color_buffer_float' ) ) );\n\n\t\t\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( 35738 ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.has( 'OES_texture_float' ) || extensions.has( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t! halfFloatSupportedByExt ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _gl.checkFramebufferStatus( 36160 ) === 36053 ) {\n\n\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t}\n\n\t\t\t} finally {\n\n\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.copyFramebufferToTexture = function ( position, texture, level = 0 ) {\n\n\t\tconst levelScale = Math.pow( 2, - level );\n\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\tlet glFormat = utils.convert( texture.format );\n\n\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t// Workaround for https://bugs.chromium.org/p/chromium/issues/detail?id=1120100\n\t\t\t// Not needed in Chrome 93+\n\n\t\t\tif ( glFormat === 6407 ) glFormat = 32849;\n\t\t\tif ( glFormat === 6408 ) glFormat = 32856;\n\n\t\t}\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t_gl.copyTexImage2D( 3553, level, glFormat, position.x, position.y, width, height, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture = function ( position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tconst width = srcTexture.image.width;\n\t\tconst height = srcTexture.image.height;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\n\t\ttextures.setTexture2D( dstTexture, 0 );\n\n\t\t// As another texture upload may have changed pixelStorei\n\t\t// parameters, make sure they are correct for the dstTexture\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t_gl.compressedTexSubImage2D( 3553, level, position.x, position.y, srcTexture.mipmaps[ 0 ].width, srcTexture.mipmaps[ 0 ].height, glFormat, srcTexture.mipmaps[ 0 ].data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, glFormat, glType, srcTexture.image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( 3553 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture3D = function ( sourceBox, position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tif ( _this.isWebGL1Renderer ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst width = sourceBox.max.x - sourceBox.min.x + 1;\n\t\tconst height = sourceBox.max.y - sourceBox.min.y + 1;\n\t\tconst depth = sourceBox.max.z - sourceBox.min.z + 1;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\t\tlet glTarget;\n\n\t\tif ( dstTexture.isDataTexture3D ) {\n\n\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\tglTarget = 32879;\n\n\t\t} else if ( dstTexture.isDataTexture2DArray ) {\n\n\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\tglTarget = 35866;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tconst unpackRowLen = _gl.getParameter( 3314 );\n\t\tconst unpackImageHeight = _gl.getParameter( 32878 );\n\t\tconst unpackSkipPixels = _gl.getParameter( 3316 );\n\t\tconst unpackSkipRows = _gl.getParameter( 3315 );\n\t\tconst unpackSkipImages = _gl.getParameter( 32877 );\n\n\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image;\n\n\t\t_gl.pixelStorei( 3314, image.width );\n\t\t_gl.pixelStorei( 32878, image.height );\n\t\t_gl.pixelStorei( 3316, sourceBox.min.x );\n\t\t_gl.pixelStorei( 3315, sourceBox.min.y );\n\t\t_gl.pixelStorei( 32877, sourceBox.min.z );\n\n\t\tif ( srcTexture.isDataTexture || srcTexture.isDataTexture3D ) {\n\n\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture.' );\n\t\t\t\t_gl.compressedTexSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, image.data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.pixelStorei( 3314, unpackRowLen );\n\t\t_gl.pixelStorei( 32878, unpackImageHeight );\n\t\t_gl.pixelStorei( 3316, unpackSkipPixels );\n\t\t_gl.pixelStorei( 3315, unpackSkipRows );\n\t\t_gl.pixelStorei( 32877, unpackSkipImages );\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( glTarget );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.initTexture = function ( texture ) {\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.resetState = function () {\n\n\t\t_currentActiveCubeFace = 0;\n\t\t_currentActiveMipmapLevel = 0;\n\t\t_currentRenderTarget = null;\n\n\t\tstate.reset();\n\t\tbindingStates.reset();\n\n\t};\n\n\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t}\n\n}\n\nclass WebGL1Renderer extends WebGLRenderer {}\n\nWebGL1Renderer.prototype.isWebGL1Renderer = true;\n\nclass FogExp2 {\n\n\tconstructor( color, density = 0.00025 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = density;\n\n\t}\n\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\nFogExp2.prototype.isFogExp2 = true;\n\nclass Fog {\n\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\nFog.prototype.isFog = true;\n\nclass Scene extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.environment = null;\n\t\tthis.fog = null;\n\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nScene.prototype.isScene = true;\n\nclass InterleavedBuffer {\n\n\tconstructor( array, stride ) {\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= attribute.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.prototype.slice.call( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nInterleavedBuffer.prototype.isInterleavedBuffer = true;\n\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\nclass InterleavedBufferAttribute {\n\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\tthis.name = '';\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// deinterleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interlaved attribtue\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\nInterleavedBufferAttribute.prototype.isInterleavedBufferAttribute = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  map: new THREE.Texture( <Image> ),\n *  alphaMap: new THREE.Texture( <Image> ),\n *  rotation: <float>,\n *  sizeAttenuation: <bool>\n * }\n */\n\nclass SpriteMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpriteMaterial.prototype.isSpriteMaterial = true;\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\nclass Sprite extends Object3D {\n\n\tconstructor( material ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0, 0,\n\t\t\t\t0.5, - 0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\tthis.geometry = _geometry;\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\tconsole.error( 'THREE.Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getUV( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSprite.prototype.isSprite = true;\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\nclass LOD extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t},\n\t\t\tisLOD: {\n\t\t\t\tvalue: true,\n\t\t\t}\n\t\t} );\n\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\taddLevel( object, distance = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\nclass SkinnedMesh extends Mesh {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = 'attached';\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\treturn this;\n\n\t}\n\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.x = skinWeight.getX( i );\n\t\t\tvector.y = skinWeight.getY( i );\n\t\t\tvector.z = skinWeight.getZ( i );\n\t\t\tvector.w = skinWeight.getW( i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === 'attached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === 'detached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\tboneTransform( index, target ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.fromBufferAttribute( geometry.attributes.position, index ).applyMatrix4( this.bindMatrix );\n\n\t\ttarget.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\ttarget.addScaledVector( _vector$5.copy( _basePosition ).applyMatrix4( _matrix ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn target.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\nSkinnedMesh.prototype.isSkinnedMesh = true;\n\nclass Bone extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\nBone.prototype.isBone = true;\n\nclass DataTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture.prototype.isDataTexture = true;\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\nclass Skeleton {\n\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.bones = bones.slice( 0 );\n\t\tthis.boneInverses = boneInverses;\n\t\tthis.boneMatrices = null;\n\n\t\tthis.boneTexture = null;\n\t\tthis.boneTextureSize = 0;\n\n\t\tthis.frame = - 1;\n\n\t\tthis.init();\n\n\t}\n\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t//      RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t//  with  8x8  pixel texture max   16 bones * 4 pixels =  (8 * 8)\n\t\t//       16x16 pixel texture max   64 bones * 4 pixels = (16 * 16)\n\t\t//       32x32 pixel texture max  256 bones * 4 pixels = (32 * 32)\n\t\t//       64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = ceilPowerOfTwo( size );\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\t\tthis.boneTextureSize = size;\n\n\t\treturn this;\n\n\t}\n\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tif ( typeof normalized === 'number' ) {\n\n\t\t\tmeshPerAttribute = normalized;\n\n\t\t\tnormalized = false;\n\n\t\t\tconsole.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' );\n\n\t\t}\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _mesh = /*@__PURE__*/ new Mesh();\n\nclass InstancedMesh extends Mesh {\n\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\t\tthis.instanceColor = null;\n\n\t\tthis.count = count;\n\n\t\tthis.frustumCulled = false;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh.geometry = this.geometry;\n\t\t_mesh.material = this.material;\n\n\t\tif ( _mesh.material === undefined ) return;\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nInstancedMesh.prototype.isInstancedMesh = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *\n *  linewidth: <float>,\n *  linecap: \"round\",\n *  linejoin: \"round\"\n * }\n */\n\nclass LineBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\nconst _start$1 = /*@__PURE__*/ new Vector3();\nconst _end$1 = /*@__PURE__*/ new Vector3();\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nclass Line extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t\t_start$1.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t\t_end$1.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i ] += _start$1.distanceTo( _end$1 );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst vStart = new Vector3();\n\t\tconst vEnd = new Vector3();\n\t\tconst interSegment = new Vector3();\n\t\tconst interRay = new Vector3();\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, a );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, b );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nLine.prototype.isLine = true;\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\nclass LineSegments extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [];\n\n\t\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineSegments.prototype.isLineSegments = true;\n\nclass LineLoop extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\nLineLoop.prototype.isLineLoop = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *  map: new THREE.Texture( <Image> ),\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  size: <float>,\n *  sizeAttenuation: <bool>\n *\n * }\n */\n\nclass PointsMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointsMaterial.prototype.isPointsMaterial = true;\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\nclass Points extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nPoints.prototype.isPoints = true;\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\nclass VideoTexture extends Texture {\n\n\tconstructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.format = format !== undefined ? format : RGBFormat;\n\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearFilter;\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nVideoTexture.prototype.isVideoTexture = true;\n\nclass CompressedTexture extends Texture {\n\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\nCompressedTexture.prototype.isCompressedTexture = true;\n\nclass CanvasTexture extends Texture {\n\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nCanvasTexture.prototype.isCanvasTexture = true;\n\nclass DepthTexture extends Texture {\n\n\tconstructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tif ( type === undefined && format === DepthFormat ) type = UnsignedShortType;\n\t\tif ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\n}\n\nDepthTexture.prototype.isDepthTexture = true;\n\nclass CircleGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, segments = 8, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass CylinderGeometry extends BufferGeometry {\n\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// update group counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ConeGeometry extends CylinderGeometry {\n\n\tconstructor( radius = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass PolyhedronGeometry extends BufferGeometry {\n\n\tconstructor( vertices, indices, radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (\u00B11, \u00B11, \u00B11)\n\t\t\t- 1, - 1, - 1,\t- 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t1, - 1, - 1, 1, - 1, 1,\n\t\t\t1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, \u00B11/\u03C6, \u00B1\u03C6)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (\u00B11/\u03C6, \u00B1\u03C6, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (\u00B1\u03C6, 0, \u00B11/\u03C6)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = new Vector3();\nconst _v1$1 = new Vector3();\nconst _normal = new Vector3();\nconst _triangle = new Triangle();\n\nclass EdgesGeometry extends BufferGeometry {\n\n\tconstructor( geometry, thresholdAngle ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EdgesGeometry';\n\n\t\tthis.parameters = {\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tthresholdAngle = ( thresholdAngle !== undefined ) ? thresholdAngle : 1;\n\n\t\tif ( geometry.isGeometry === true ) {\n\n\t\t\tconsole.error( 'THREE.EdgesGeometry no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst precisionPoints = 4;\n\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\tconst indexAttr = geometry.getIndex();\n\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\tconst indexArr = [ 0, 0, 0 ];\n\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\tconst hashes = new Array( 3 );\n\n\t\tconst edgeData = {};\n\t\tconst vertices = [];\n\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\tif ( indexAttr ) {\n\n\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t} else {\n\n\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t}\n\n\t\t\tconst { a, b, c } = _triangle;\n\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t// create hashes for the edge from the vertices\n\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t// skip degenerate triangles\n\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// iterate over every edge\n\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\tfor ( const key in edgeData ) {\n\n\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t}\n\n}\n\n/**\n * Extensible curve object.\n *\n * Some common of curve methods:\n * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )\n * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )\n * .getPoints(), .getSpacedPoints()\n * .getLength()\n * .updateArcLengths()\n *\n * This following curves inherit from THREE.Curve:\n *\n * -- 2D curves --\n * THREE.ArcCurve\n * THREE.CubicBezierCurve\n * THREE.EllipseCurve\n * THREE.LineCurve\n * THREE.QuadraticBezierCurve\n * THREE.SplineCurve\n *\n * -- 3D curves --\n * THREE.CatmullRomCurve3\n * THREE.CubicBezierCurve3\n * THREE.LineCurve3\n * THREE.QuadraticBezierCurve3\n *\n * A series of curves can be represented as a THREE.CurvePath.\n *\n **/\n\nclass Curve {\n\n\tconstructor() {\n\n\t\tthis.type = 'Curve';\n\n\t\tthis.arcLengthDivisions = 200;\n\n\t}\n\n\t// Virtual base class method to overwrite and implement in subclasses\n\t//\t- t [0 .. 1]\n\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\tconsole.warn( 'THREE.Curve: .getPoint() not implemented.' );\n\t\treturn null;\n\n\t}\n\n\t// Get point at relative position in curve according to arc length\n\t// - u [0 .. 1]\n\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t// Get sequence of points using getPoint( t )\n\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get total curve arc length\n\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t// Get list of cumulative segment lengths\n\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\tgetUtoTmapping( u, distance ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t// Returns a unit vector tangent at t\n\t// In case any sub curve does not implement its tangent derivation,\n\t// 2 points a small delta apart will be used to find its gradient\n\t// which seems to give a reasonable approximation\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\tcomputeFrenetFrames( segments, closed ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\t\t\ttangents[ i ].normalize();\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass EllipseCurve extends Curve {\n\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst point = optionalTarget || new Vector2();\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nEllipseCurve.prototype.isEllipseCurve = true;\n\nclass ArcCurve extends EllipseCurve {\n\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\nArcCurve.prototype.isArcCurve = true;\n\n/**\n * Centripetal CatmullRom Curve - which is useful for avoiding\n * cusps and self-intersections in non-uniform catmull rom curves.\n * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n *\n * curve.type accepts centripetal(default), chordal and catmullrom\n * curve.tension is used for catmullrom which defaults to 0.5\n */\n\n\n/*\nBased on an optimized c++ solution in\n - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n - http://ideone.com/NoEbVM\n\nThis CubicPoly class could be used for reusing some variables and calculations,\nbut for three.js curve use, it could be possible inlined and flatten into a single function call\nwhich can be placed in CurveUtils.\n*/\n\nfunction CubicPoly() {\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t *   p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t *   p(0) = x0, p(1) = x1\n\t *  and\n\t *   p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = new Vector3();\nconst px = new CubicPoly(), py = new CubicPoly(), pz = new CubicPoly();\n\nclass CatmullRomCurve3 extends Curve {\n\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\tthis.points = points;\n\t\tthis.closed = closed;\n\t\tthis.curveType = curveType;\n\t\tthis.tension = tension;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\nCatmullRomCurve3.prototype.isCatmullRomCurve3 = true;\n\n/**\n * Bezier Curves formulas obtained from\n * http://en.wikipedia.org/wiki/B\u00E9zier_curve\n */\n\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\nclass CubicBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve.prototype.isCubicBezierCurve = true;\n\nclass CubicBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve3.prototype.isCubicBezierCurve3 = true;\n\nclass LineCurve extends Curve {\n\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst tangent = optionalTarget || new Vector2();\n\n\t\ttangent.copy( this.v2 ).sub( this.v1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineCurve.prototype.isLineCurve = true;\n\nclass LineCurve3 extends Curve {\n\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve3';\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve.prototype.isQuadraticBezierCurve = true;\n\nclass QuadraticBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true;\n\nclass SplineCurve extends Curve {\n\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SplineCurve';\n\n\t\tthis.points = points;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nSplineCurve.prototype.isSplineCurve = true;\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**\n * Port from https://github.com/mapbox/earcut (v2.2.2)\n */\n\nconst Earcut = {\n\n\ttriangulate: function ( data, holeIndices, dim = 2 ) {\n\n\t\tconst hasHoles = holeIndices && holeIndices.length;\n\t\tconst outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length;\n\t\tlet outerNode = linkedList( data, 0, outerLen, dim, true );\n\t\tconst triangles = [];\n\n\t\tif ( ! outerNode || outerNode.next === outerNode.prev ) return triangles;\n\n\t\tlet minX, minY, maxX, maxY, x, y, invSize;\n\n\t\tif ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );\n\n\t\t// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\t\tif ( data.length > 80 * dim ) {\n\n\t\t\tminX = maxX = data[ 0 ];\n\t\t\tminY = maxY = data[ 1 ];\n\n\t\t\tfor ( let i = dim; i < outerLen; i += dim ) {\n\n\t\t\t\tx = data[ i ];\n\t\t\t\ty = data[ i + 1 ];\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\n\t\t\t}\n\n\t\t\t// minX, minY and invSize are later used to transform coords into integers for z-order calculation\n\t\t\tinvSize = Math.max( maxX - minX, maxY - minY );\n\t\t\tinvSize = invSize !== 0 ? 1 / invSize : 0;\n\n\t\t}\n\n\t\tearcutLinked( outerNode, triangles, dim, minX, minY, invSize );\n\n\t\treturn triangles;\n\n\t}\n\n};\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList( data, start, end, dim, clockwise ) {\n\n\tlet i, last;\n\n\tif ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {\n\n\t\tfor ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t} else {\n\n\t\tfor ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t}\n\n\tif ( last && equals( last, last.next ) ) {\n\n\t\tremoveNode( last );\n\t\tlast = last.next;\n\n\t}\n\n\treturn last;\n\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints( start, end ) {\n\n\tif ( ! start ) return start;\n\tif ( ! end ) end = start;\n\n\tlet p = start,\n\t\tagain;\n\tdo {\n\n\t\tagain = false;\n\n\t\tif ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {\n\n\t\t\tremoveNode( p );\n\t\t\tp = end = p.prev;\n\t\t\tif ( p === p.next ) break;\n\t\t\tagain = true;\n\n\t\t} else {\n\n\t\t\tp = p.next;\n\n\t\t}\n\n\t} while ( again || p !== end );\n\n\treturn end;\n\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {\n\n\tif ( ! ear ) return;\n\n\t// interlink polygon nodes in z-order\n\tif ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );\n\n\tlet stop = ear,\n\t\tprev, next;\n\n\t// iterate through ears, slicing them one by one\n\twhile ( ear.prev !== ear.next ) {\n\n\t\tprev = ear.prev;\n\t\tnext = ear.next;\n\n\t\tif ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {\n\n\t\t\t// cut off the triangle\n\t\t\ttriangles.push( prev.i / dim );\n\t\t\ttriangles.push( ear.i / dim );\n\t\t\ttriangles.push( next.i / dim );\n\n\t\t\tremoveNode( ear );\n\n\t\t\t// skipping the next vertex leads to less sliver triangles\n\t\t\tear = next.next;\n\t\t\tstop = next.next;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tear = next;\n\n\t\t// if we looped through the whole remaining polygon and can't find any more ears\n\t\tif ( ear === stop ) {\n\n\t\t\t// try filtering points and slicing again\n\t\t\tif ( ! pass ) {\n\n\t\t\t\tearcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );\n\n\t\t\t\t// if this didn't work, try curing all small self-intersections locally\n\n\t\t\t} else if ( pass === 1 ) {\n\n\t\t\t\tear = cureLocalIntersections( filterPoints( ear ), triangles, dim );\n\t\t\t\tearcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );\n\n\t\t\t\t// as a last resort, try splitting the remaining polygon into two\n\n\t\t\t} else if ( pass === 2 ) {\n\n\t\t\t\tsplitEarcut( ear, triangles, dim, minX, minY, invSize );\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar( ear ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// now make sure we don't have other points inside the potential ear\n\tlet p = ear.next.next;\n\n\twhile ( p !== ear.prev ) {\n\n\t\tif ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.next;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction isEarHashed( ear, minX, minY, invSize ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ),\n\t\tminTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ),\n\t\tmaxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ),\n\t\tmaxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y );\n\n\t// z-order range for the current triangle bbox;\n\tconst minZ = zOrder( minTX, minTY, minX, minY, invSize ),\n\t\tmaxZ = zOrder( maxTX, maxTY, minX, minY, invSize );\n\n\tlet p = ear.prevZ,\n\t\tn = ear.nextZ;\n\n\t// look for points inside the triangle in both directions\n\twhile ( p && p.z >= minZ && n && n.z <= maxZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\t// look for remaining points in decreasing z-order\n\twhile ( p && p.z >= minZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t}\n\n\t// look for remaining points in increasing z-order\n\twhile ( n && n.z <= maxZ ) {\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\treturn true;\n\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections( start, triangles, dim ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tconst a = p.prev,\n\t\t\tb = p.next.next;\n\n\t\tif ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {\n\n\t\t\ttriangles.push( a.i / dim );\n\t\t\ttriangles.push( p.i / dim );\n\t\t\ttriangles.push( b.i / dim );\n\n\t\t\t// remove two nodes involved\n\t\t\tremoveNode( p );\n\t\t\tremoveNode( p.next );\n\n\t\t\tp = start = b;\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn filterPoints( p );\n\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut( start, triangles, dim, minX, minY, invSize ) {\n\n\t// look for a valid diagonal that divides the polygon into two\n\tlet a = start;\n\tdo {\n\n\t\tlet b = a.next.next;\n\t\twhile ( b !== a.prev ) {\n\n\t\t\tif ( a.i !== b.i && isValidDiagonal( a, b ) ) {\n\n\t\t\t\t// split the polygon in two by the diagonal\n\t\t\t\tlet c = splitPolygon( a, b );\n\n\t\t\t\t// filter colinear points around the cuts\n\t\t\t\ta = filterPoints( a, a.next );\n\t\t\t\tc = filterPoints( c, c.next );\n\n\t\t\t\t// run earcut on each half\n\t\t\t\tearcutLinked( a, triangles, dim, minX, minY, invSize );\n\t\t\t\tearcutLinked( c, triangles, dim, minX, minY, invSize );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tb = b.next;\n\n\t\t}\n\n\t\ta = a.next;\n\n\t} while ( a !== start );\n\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles( data, holeIndices, outerNode, dim ) {\n\n\tconst queue = [];\n\tlet i, len, start, end, list;\n\n\tfor ( i = 0, len = holeIndices.length; i < len; i ++ ) {\n\n\t\tstart = holeIndices[ i ] * dim;\n\t\tend = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;\n\t\tlist = linkedList( data, start, end, dim, false );\n\t\tif ( list === list.next ) list.steiner = true;\n\t\tqueue.push( getLeftmost( list ) );\n\n\t}\n\n\tqueue.sort( compareX );\n\n\t// process holes from left to right\n\tfor ( i = 0; i < queue.length; i ++ ) {\n\n\t\teliminateHole( queue[ i ], outerNode );\n\t\touterNode = filterPoints( outerNode, outerNode.next );\n\n\t}\n\n\treturn outerNode;\n\n}\n\nfunction compareX( a, b ) {\n\n\treturn a.x - b.x;\n\n}\n\n// find a bridge between vertices that connects hole with an outer ring and and link it\nfunction eliminateHole( hole, outerNode ) {\n\n\touterNode = findHoleBridge( hole, outerNode );\n\tif ( outerNode ) {\n\n\t\tconst b = splitPolygon( outerNode, hole );\n\n\t\t// filter collinear points around the cuts\n\t\tfilterPoints( outerNode, outerNode.next );\n\t\tfilterPoints( b, b.next );\n\n\t}\n\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge( hole, outerNode ) {\n\n\tlet p = outerNode;\n\tconst hx = hole.x;\n\tconst hy = hole.y;\n\tlet qx = - Infinity, m;\n\n\t// find a segment intersected by a ray from the hole's leftmost point to the left;\n\t// segment's endpoint with lesser x will be potential connection point\n\tdo {\n\n\t\tif ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {\n\n\t\t\tconst x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );\n\t\t\tif ( x <= hx && x > qx ) {\n\n\t\t\t\tqx = x;\n\t\t\t\tif ( x === hx ) {\n\n\t\t\t\t\tif ( hy === p.y ) return p;\n\t\t\t\t\tif ( hy === p.next.y ) return p.next;\n\n\t\t\t\t}\n\n\t\t\t\tm = p.x < p.next.x ? p : p.next;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== outerNode );\n\n\tif ( ! m ) return null;\n\n\tif ( hx === qx ) return m; // hole touches outer segment; pick leftmost endpoint\n\n\t// look for points inside the triangle of hole point, segment intersection and endpoint;\n\t// if there are no points found, we have a valid connection;\n\t// otherwise choose the point of the minimum angle with the ray as connection point\n\n\tconst stop = m,\n\t\tmx = m.x,\n\t\tmy = m.y;\n\tlet tanMin = Infinity, tan;\n\n\tp = m;\n\n\tdo {\n\n\t\tif ( hx >= p.x && p.x >= mx && hx !== p.x &&\n\t\t\t\tpointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {\n\n\t\t\ttan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential\n\n\t\t\tif ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) {\n\n\t\t\t\tm = p;\n\t\t\t\ttanMin = tan;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== stop );\n\n\treturn m;\n\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector( m, p ) {\n\n\treturn area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0;\n\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve( start, minX, minY, invSize ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tif ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize );\n\t\tp.prevZ = p.prev;\n\t\tp.nextZ = p.next;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\tp.prevZ.nextZ = null;\n\tp.prevZ = null;\n\n\tsortLinked( p );\n\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked( list ) {\n\n\tlet i, p, q, e, tail, numMerges, pSize, qSize,\n\t\tinSize = 1;\n\n\tdo {\n\n\t\tp = list;\n\t\tlist = null;\n\t\ttail = null;\n\t\tnumMerges = 0;\n\n\t\twhile ( p ) {\n\n\t\t\tnumMerges ++;\n\t\t\tq = p;\n\t\t\tpSize = 0;\n\t\t\tfor ( i = 0; i < inSize; i ++ ) {\n\n\t\t\t\tpSize ++;\n\t\t\t\tq = q.nextZ;\n\t\t\t\tif ( ! q ) break;\n\n\t\t\t}\n\n\t\t\tqSize = inSize;\n\n\t\t\twhile ( pSize > 0 || ( qSize > 0 && q ) ) {\n\n\t\t\t\tif ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {\n\n\t\t\t\t\te = p;\n\t\t\t\t\tp = p.nextZ;\n\t\t\t\t\tpSize --;\n\n\t\t\t\t} else {\n\n\t\t\t\t\te = q;\n\t\t\t\t\tq = q.nextZ;\n\t\t\t\t\tqSize --;\n\n\t\t\t\t}\n\n\t\t\t\tif ( tail ) tail.nextZ = e;\n\t\t\t\telse list = e;\n\n\t\t\t\te.prevZ = tail;\n\t\t\t\ttail = e;\n\n\t\t\t}\n\n\t\t\tp = q;\n\n\t\t}\n\n\t\ttail.nextZ = null;\n\t\tinSize *= 2;\n\n\t} while ( numMerges > 1 );\n\n\treturn list;\n\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder( x, y, minX, minY, invSize ) {\n\n\t// coords are transformed into non-negative 15-bit integer range\n\tx = 32767 * ( x - minX ) * invSize;\n\ty = 32767 * ( y - minY ) * invSize;\n\n\tx = ( x | ( x << 8 ) ) & 0x00FF00FF;\n\tx = ( x | ( x << 4 ) ) & 0x0F0F0F0F;\n\tx = ( x | ( x << 2 ) ) & 0x33333333;\n\tx = ( x | ( x << 1 ) ) & 0x55555555;\n\n\ty = ( y | ( y << 8 ) ) & 0x00FF00FF;\n\ty = ( y | ( y << 4 ) ) & 0x0F0F0F0F;\n\ty = ( y | ( y << 2 ) ) & 0x33333333;\n\ty = ( y | ( y << 1 ) ) & 0x55555555;\n\n\treturn x | ( y << 1 );\n\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost( start ) {\n\n\tlet p = start,\n\t\tleftmost = start;\n\tdo {\n\n\t\tif ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn leftmost;\n\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {\n\n\treturn ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 &&\n\t\t\t( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 &&\n\t\t\t( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0;\n\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal( a, b ) {\n\n\treturn a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // dones't intersect other edges\n\t\t( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible\n\t\t( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors\n\t\tequals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case\n\n}\n\n// signed area of a triangle\nfunction area( p, q, r ) {\n\n\treturn ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );\n\n}\n\n// check if two points are equal\nfunction equals( p1, p2 ) {\n\n\treturn p1.x === p2.x && p1.y === p2.y;\n\n}\n\n// check if two segments intersect\nfunction intersects( p1, q1, p2, q2 ) {\n\n\tconst o1 = sign( area( p1, q1, p2 ) );\n\tconst o2 = sign( area( p1, q1, q2 ) );\n\tconst o3 = sign( area( p2, q2, p1 ) );\n\tconst o4 = sign( area( p2, q2, q1 ) );\n\n\tif ( o1 !== o2 && o3 !== o4 ) return true; // general case\n\n\tif ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n\tif ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n\tif ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n\tif ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n\treturn false;\n\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment( p, q, r ) {\n\n\treturn q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y );\n\n}\n\nfunction sign( num ) {\n\n\treturn num > 0 ? 1 : num < 0 ? - 1 : 0;\n\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon( a, b ) {\n\n\tlet p = a;\n\tdo {\n\n\t\tif ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n\t\t\t\tintersects( p, p.next, a, b ) ) return true;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn false;\n\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside( a, b ) {\n\n\treturn area( a.prev, a, a.next ) < 0 ?\n\t\tarea( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :\n\t\tarea( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;\n\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside( a, b ) {\n\n\tlet p = a,\n\t\tinside = false;\n\tconst px = ( a.x + b.x ) / 2,\n\t\tpy = ( a.y + b.y ) / 2;\n\tdo {\n\n\t\tif ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&\n\t\t\t\t( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) )\n\t\t\tinside = ! inside;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn inside;\n\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon( a, b ) {\n\n\tconst a2 = new Node( a.i, a.x, a.y ),\n\t\tb2 = new Node( b.i, b.x, b.y ),\n\t\tan = a.next,\n\t\tbp = b.prev;\n\n\ta.next = b;\n\tb.prev = a;\n\n\ta2.next = an;\n\tan.prev = a2;\n\n\tb2.next = a2;\n\ta2.prev = b2;\n\n\tbp.next = b2;\n\tb2.prev = bp;\n\n\treturn b2;\n\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode( i, x, y, last ) {\n\n\tconst p = new Node( i, x, y );\n\n\tif ( ! last ) {\n\n\t\tp.prev = p;\n\t\tp.next = p;\n\n\t} else {\n\n\t\tp.next = last.next;\n\t\tp.prev = last;\n\t\tlast.next.prev = p;\n\t\tlast.next = p;\n\n\t}\n\n\treturn p;\n\n}\n\nfunction removeNode( p ) {\n\n\tp.next.prev = p.prev;\n\tp.prev.next = p.next;\n\n\tif ( p.prevZ ) p.prevZ.nextZ = p.nextZ;\n\tif ( p.nextZ ) p.nextZ.prevZ = p.prevZ;\n\n}\n\nfunction Node( i, x, y ) {\n\n\t// vertex index in coordinates array\n\tthis.i = i;\n\n\t// vertex coordinates\n\tthis.x = x;\n\tthis.y = y;\n\n\t// previous and next vertex nodes in a polygon ring\n\tthis.prev = null;\n\tthis.next = null;\n\n\t// z-order curve value\n\tthis.z = null;\n\n\t// previous and next nodes in z-order\n\tthis.prevZ = null;\n\tthis.nextZ = null;\n\n\t// indicates whether this is a steiner point\n\tthis.steiner = false;\n\n}\n\nfunction signedArea( data, start, end, dim ) {\n\n\tlet sum = 0;\n\tfor ( let i = start, j = end - dim; i < end; i += dim ) {\n\n\t\tsum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );\n\t\tj = i;\n\n\t}\n\n\treturn sum;\n\n}\n\nclass ShapeUtils {\n\n\t// calculate area of the contour polygon\n\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * parameters = {\n *\n *  curveSegments: <int>, // number of points on the curves\n *  steps: <int>, // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n *  depth: <float>, // Depth to extrude the shape\n *\n *  bevelEnabled: <bool>, // turn on bevel\n *  bevelThickness: <float>, // how deep into the original shape bevel goes\n *  bevelSize: <float>, // how far from shape outline (including bevelOffset) is bevel\n *  bevelOffset: <float>, // how far from shape outline does bevel start\n *  bevelSegments: <int>, // number of bevel layers\n *\n *  extrudePath: <THREE.Curve> // curve to extrude shape along\n *\n *  UVGenerator: <Object> // object that provides UV generator functions\n *\n * }\n */\n\nclass ExtrudeGeometry extends BufferGeometry {\n\n\tconstructor( shapes, options ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tlet depth = options.depth !== undefined ? options.depth : 100;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 6;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 2;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t// deprecated options\n\n\t\t\tif ( options.amount !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ExtrudeBufferGeometry: amount has been renamed to depth.' );\n\t\t\t\tdepth = options.amount;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length, flen = faces.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t//   shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t//  adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t//  but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t//  (j)---(i)---(k)\n\t\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t//  (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\n\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t/////  Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t- 1, t, 0, \t1, t, 0, \t- 1, - t, 0, \t1, - t, 0,\n\t\t\t0, - 1, t, \t0, 1, t,\t0, - 1, - t, \t0, 1, - t,\n\t\t\tt, 0, - 1, \tt, 0, 1, \t- t, 0, - 1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass LatheGeometry extends BufferGeometry {\n\n\tconstructor( points, segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif ( phiLength === Math.PI * 2 ) {\n\n\t\t\tconst normals = this.attributes.normal.array;\n\t\t\tconst n1 = new Vector3();\n\t\t\tconst n2 = new Vector3();\n\t\t\tconst n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\n\t\t\tconst base = segments * points.length * 3;\n\n\t\t\tfor ( let i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t- 1, 0, 0,\t0, 1, 0,\n\t\t\t0, - 1, 0, \t0, 0, 1,\t0, 0, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\n/**\n * Parametric Surfaces Geometry\n * based on the brilliant article by @prideout https://prideout.net/blog/old/blog/index.html@p=44.html\n */\n\nclass ParametricGeometry extends BufferGeometry {\n\n\tconstructor( func, slices, stacks ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ParametricGeometry';\n\n\t\tthis.parameters = {\n\t\t\tfunc: func,\n\t\t\tslices: slices,\n\t\t\tstacks: stacks\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tconst EPS = 0.00001;\n\n\t\tconst normal = new Vector3();\n\n\t\tconst p0 = new Vector3(), p1 = new Vector3();\n\t\tconst pu = new Vector3(), pv = new Vector3();\n\n\t\tif ( func.length < 3 ) {\n\n\t\t\tconsole.error( 'THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.' );\n\n\t\t}\n\n\t\t// generate vertices, normals and uvs\n\n\t\tconst sliceCount = slices + 1;\n\n\t\tfor ( let i = 0; i <= stacks; i ++ ) {\n\n\t\t\tconst v = i / stacks;\n\n\t\t\tfor ( let j = 0; j <= slices; j ++ ) {\n\n\t\t\t\tconst u = j / slices;\n\n\t\t\t\t// vertex\n\n\t\t\t\tfunc( u, v, p0 );\n\t\t\t\tvertices.push( p0.x, p0.y, p0.z );\n\n\t\t\t\t// normal\n\n\t\t\t\t// approximate tangent vectors via finite differences\n\n\t\t\t\tif ( u - EPS >= 0 ) {\n\n\t\t\t\t\tfunc( u - EPS, v, p1 );\n\t\t\t\t\tpu.subVectors( p0, p1 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfunc( u + EPS, v, p1 );\n\t\t\t\t\tpu.subVectors( p1, p0 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( v - EPS >= 0 ) {\n\n\t\t\t\t\tfunc( u, v - EPS, p1 );\n\t\t\t\t\tpv.subVectors( p0, p1 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfunc( u, v + EPS, p1 );\n\t\t\t\t\tpv.subVectors( p1, p0 );\n\n\t\t\t\t}\n\n\t\t\t\t// cross product of tangent vectors returns surface normal\n\n\t\t\t\tnormal.crossVectors( pu, pv ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u, v );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let i = 0; i < stacks; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < slices; j ++ ) {\n\n\t\t\t\tconst a = i * sliceCount + j;\n\t\t\t\tconst b = i * sliceCount + j + 1;\n\t\t\t\tconst c = ( i + 1 ) * sliceCount + j + 1;\n\t\t\t\tconst d = ( i + 1 ) * sliceCount + j;\n\n\t\t\t\t// faces one and two\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n}\n\nclass RingGeometry extends BufferGeometry {\n\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 8, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ShapeGeometry extends BufferGeometry {\n\n\tconstructor( shapes, curveSegments = 12 ) {\n\n\t\tsuper();\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// incides\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\nclass SphereGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy == 0 && thetaStart == 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy == heightSegments && thetaEnd == Math.PI ) {\n\n\t\t\t\tuOffset = - 0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t- 1, - 1, 1, \t- 1, 1, - 1, \t1, - 1, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\n/**\n * Text = 3D Text\n *\n * parameters = {\n *  font: <THREE.Font>, // font\n *\n *  size: <float>, // size of the text\n *  height: <float>, // thickness to extrude text\n *  curveSegments: <int>, // number of points on the curves\n *\n *  bevelEnabled: <bool>, // turn on bevel\n *  bevelThickness: <float>, // how deep into text bevel goes\n *  bevelSize: <float>, // how far from text outline (including bevelOffset) is bevel\n *  bevelOffset: <float> // how far from text outline does bevel start\n * }\n */\n\nclass TextGeometry extends ExtrudeGeometry {\n\n\tconstructor( text, parameters = {} ) {\n\n\t\tconst font = parameters.font;\n\n\t\tif ( ! ( font && font.isFont ) ) {\n\n\t\t\tconsole.error( 'THREE.TextGeometry: font parameter is not an instance of THREE.Font.' );\n\t\t\treturn new BufferGeometry();\n\n\t\t}\n\n\t\tconst shapes = font.generateShapes( text, parameters.size );\n\n\t\t// translate parameters to ExtrudeGeometry API\n\n\t\tparameters.depth = parameters.height !== undefined ? parameters.height : 50;\n\n\t\t// defaults\n\n\t\tif ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;\n\t\tif ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;\n\t\tif ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;\n\n\t\tsuper( shapes, parameters );\n\n\t\tthis.type = 'TextGeometry';\n\n\t}\n\n}\n\nclass TorusGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 8, tubularSegments = 6, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\nclass TorusKnotGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\nclass TubeGeometry extends BufferGeometry {\n\n\tconstructor( path, tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\nclass WireframeGeometry extends BufferGeometry {\n\n\tconstructor( geometry ) {\n\n\t\tsuper();\n\t\tthis.type = 'WireframeGeometry';\n\n\t\tif ( geometry.isGeometry === true ) {\n\n\t\t\tconsole.error( 'THREE.WireframeGeometry no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst edges = new Set();\n\n\t\t// helper variables\n\n\t\tconst start = new Vector3();\n\t\tconst end = new Vector3();\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\t// indexed BufferGeometry\n\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tconst indices = geometry.index;\n\t\t\tlet groups = geometry.groups;\n\n\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t}\n\n\t\t\t// create a data structure that contains all eges without duplicates\n\n\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\tconst groupStart = group.start;\n\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// non-indexed BufferGeometry\n\n\t\t\tconst position = geometry.attributes.position;\n\n\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1, hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tBoxBufferGeometry: BoxGeometry,\n\tCircleGeometry: CircleGeometry,\n\tCircleBufferGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tConeBufferGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tCylinderBufferGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tDodecahedronBufferGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tExtrudeBufferGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tIcosahedronBufferGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tLatheBufferGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tOctahedronBufferGeometry: OctahedronGeometry,\n\tParametricGeometry: ParametricGeometry,\n\tParametricBufferGeometry: ParametricGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPlaneBufferGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tPolyhedronBufferGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tRingBufferGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tShapeBufferGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tSphereBufferGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTetrahedronBufferGeometry: TetrahedronGeometry,\n\tTextGeometry: TextGeometry,\n\tTextBufferGeometry: TextGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusBufferGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTorusKnotBufferGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tTubeBufferGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\n/**\n * parameters = {\n *  color: <THREE.Color>\n * }\n */\n\nclass ShadowMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\tthis.color = new Color( 0x000000 );\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\treturn this;\n\n\t}\n\n}\n\nShadowMaterial.prototype.isShadowMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  roughness: <float>,\n *  metalness: <float>,\n *  opacity: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  emissive: <hex>,\n *  emissiveIntensity: <float>\n *  emissiveMap: new THREE.Texture( <Image> ),\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  roughnessMap: new THREE.Texture( <Image> ),\n *\n *  metalnessMap: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n *  envMapIntensity: <float>\n *\n *  refractionRatio: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n *  flatShading: <bool>\n * }\n */\n\nclass MeshStandardMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 1.0;\n\t\tthis.metalness = 0.0;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n/**\n * parameters = {\n *  clearcoat: <float>,\n *  clearcoatMap: new THREE.Texture( <Image> ),\n *  clearcoatRoughness: <float>,\n *  clearcoatRoughnessMap: new THREE.Texture( <Image> ),\n *  clearcoatNormalScale: <Vector2>,\n *  clearcoatNormalMap: new THREE.Texture( <Image> ),\n *\n *  ior: <float>,\n *  reflectivity: <float>,\n *\n *  sheenTint: <Color>,\n *\n *  transmission: <float>,\n *  transmissionMap: new THREE.Texture( <Image> ),\n *\n *  thickness: <float>,\n *  thicknessMap: new THREE.Texture( <Image> ),\n *  attenuationDistance: <float>,\n *  attenuationTint: <Color>,\n *\n *  specularIntensity: <float>,\n *  specularIntensityhMap: new THREE.Texture( <Image> ),\n *  specularTint: <Color>,\n *  specularTintMap: new THREE.Texture( <Image> )\n * }\n */\n\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.clearcoatMap = null;\n\t\tthis.clearcoatRoughness = 0.0;\n\t\tthis.clearcoatRoughnessMap = null;\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\t\tthis.clearcoatNormalMap = null;\n\n\t\tthis.ior = 1.5;\n\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\tthis.sheenTint = new Color( 0x000000 );\n\n\t\tthis.transmission = 0.0;\n\t\tthis.transmissionMap = null;\n\n\t\tthis.thickness = 0.01;\n\t\tthis.thicknessMap = null;\n\t\tthis.attenuationDistance = 0.0;\n\t\tthis.attenuationTint = new Color( 1, 1, 1 );\n\n\t\tthis.specularIntensity = 1.0;\n\t\tthis.specularIntensityMap = null;\n\t\tthis.specularTint = new Color( 1, 1, 1 );\n\t\tthis.specularTintMap = null;\n\n\t\tthis._clearcoat = 0;\n\t\tthis._transmission = 0;\n\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.ior = source.ior;\n\n\t\tthis.sheenTint.copy( source.sheenTint );\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationTint.copy( source.attenuationTint );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularTint.copy( source.specularTint );\n\t\tthis.specularTintMap = source.specularTintMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  specular: <hex>,\n *  shininess: <float>,\n *  opacity: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  emissive: <hex>,\n *  emissiveIntensity: <float>\n *  emissiveMap: new THREE.Texture( <Image> ),\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  specularMap: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n *  combine: THREE.MultiplyOperation,\n *  reflectivity: <float>,\n *  refractionRatio: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n *  flatShading: <bool>\n * }\n */\n\nclass MeshPhongMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *\n *  map: new THREE.Texture( <Image> ),\n *  gradientMap: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  emissive: <hex>,\n *  emissiveIntensity: <float>\n *  emissiveMap: new THREE.Texture( <Image> ),\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n * }\n */\n\nclass MeshToonMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\t\tthis.gradientMap = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshToonMaterial.prototype.isMeshToonMaterial = true;\n\n/**\n * parameters = {\n *  opacity: <float>,\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>\n *\n *  flatShading: <bool>\n * }\n */\n\nclass MeshNormalMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  emissive: <hex>,\n *  emissiveIntensity: <float>\n *  emissiveMap: new THREE.Texture( <Image> ),\n *\n *  specularMap: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n *  combine: THREE.Multiply,\n *  reflectivity: <float>,\n *  refractionRatio: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n * }\n */\n\nclass MeshLambertMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *\n *  matcap: new THREE.Texture( <Image> ),\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  flatShading: <bool>\n * }\n */\n\nclass MeshMatcapMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.matcap = null;\n\n\t\tthis.map = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshMatcapMaterial.prototype.isMeshMatcapMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *\n *  linewidth: <float>,\n *\n *  scale: <float>,\n *  dashSize: <float>,\n *  gapSize: <float>\n * }\n */\n\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\nvar Materials = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tShadowMaterial: ShadowMaterial,\n\tSpriteMaterial: SpriteMaterial,\n\tRawShaderMaterial: RawShaderMaterial,\n\tShaderMaterial: ShaderMaterial,\n\tPointsMaterial: PointsMaterial,\n\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\tMeshStandardMaterial: MeshStandardMaterial,\n\tMeshPhongMaterial: MeshPhongMaterial,\n\tMeshToonMaterial: MeshToonMaterial,\n\tMeshNormalMaterial: MeshNormalMaterial,\n\tMeshLambertMaterial: MeshLambertMaterial,\n\tMeshDepthMaterial: MeshDepthMaterial,\n\tMeshDistanceMaterial: MeshDistanceMaterial,\n\tMeshBasicMaterial: MeshBasicMaterial,\n\tMeshMatcapMaterial: MeshMatcapMaterial,\n\tLineDashedMaterial: LineDashedMaterial,\n\tLineBasicMaterial: LineBasicMaterial,\n\tMaterial: Material\n});\n\nconst AnimationUtils = {\n\n\t// same as Array.prototype.slice, but also works on typed arrays\n\tarraySlice: function ( array, from, to ) {\n\n\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t// in ios9 array.subarray(from, undefined) will return empty array\n\t\t\t// but array.subarray(from) or array.subarray(from, len) is correct\n\t\t\treturn new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) );\n\n\t\t}\n\n\t\treturn array.slice( from, to );\n\n\t},\n\n\t// converts an array to a specific type\n\tconvertArray: function ( array, type, forceClone ) {\n\n\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\treturn new type( array ); // create typed array\n\n\t\t}\n\n\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t},\n\n\tisTypedArray: function ( object ) {\n\n\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t! ( object instanceof DataView );\n\n\t},\n\n\t// returns an array by which times and values can be sorted\n\tgetKeyframeOrder: function ( times ) {\n\n\t\tfunction compareTime( i, j ) {\n\n\t\t\treturn times[ i ] - times[ j ];\n\n\t\t}\n\n\t\tconst n = times.length;\n\t\tconst result = new Array( n );\n\t\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\tresult.sort( compareTime );\n\n\t\treturn result;\n\n\t},\n\n\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\tsortedArray: function ( values, stride, order ) {\n\n\t\tconst nValues = values.length;\n\t\tconst result = new values.constructor( nValues );\n\n\t\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\tconst srcOffset = order[ i ] * stride;\n\n\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn result;\n\n\t},\n\n\t// function for parsing AOS keyframe formats\n\tflattenJSON: function ( jsonKeys, times, values, valuePropertyName ) {\n\n\t\tlet i = 1, key = jsonKeys[ 0 ];\n\n\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t}\n\n\t\tif ( key === undefined ) return; // no data\n\n\t\tlet value = key[ valuePropertyName ];\n\t\tif ( value === undefined ) return; // no data\n\n\t\tif ( Array.isArray( value ) ) {\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else if ( value.toArray !== undefined ) {\n\n\t\t\t// ...assume THREE.Math-ish\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else {\n\n\t\t\t// otherwise push as-is\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t}\n\n\t},\n\n\tsubclip: function ( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\t\tconst clip = sourceClip.clone();\n\n\t\tclip.name = name;\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tconst track = clip.tracks[ i ];\n\t\t\tconst valueSize = track.getValueSize();\n\n\t\t\tconst times = [];\n\t\t\tconst values = [];\n\n\t\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( times.length === 0 ) continue;\n\n\t\t\ttrack.times = AnimationUtils.convertArray( times, track.times.constructor );\n\t\t\ttrack.values = AnimationUtils.convertArray( values, track.values.constructor );\n\n\t\t\ttracks.push( track );\n\n\t\t}\n\n\t\tclip.tracks = tracks;\n\n\t\t// find minimum .times value across all tracks in the trimmed clip\n\n\t\tlet minStartTime = Infinity;\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// shift all tracks such that clip begins at t=0\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tclip.tracks[ i ].shift( - 1 * minStartTime );\n\n\t\t}\n\n\t\tclip.resetDuration();\n\n\t\treturn clip;\n\n\t},\n\n\tmakeClipAdditive: function ( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\t\tif ( fps <= 0 ) fps = 30;\n\n\t\tconst numTracks = referenceClip.tracks.length;\n\t\tconst referenceTime = referenceFrame / fps;\n\n\t\t// Make each track's values relative to the values at the reference frame\n\t\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t\t// Skip this track if it's non-numeric\n\t\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t\t} );\n\n\t\t\tif ( targetTrack === undefined ) continue;\n\n\t\t\tlet referenceOffset = 0;\n\t\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t\t}\n\n\t\t\tlet targetOffset = 0;\n\t\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t\t}\n\n\t\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\t\tlet referenceValue;\n\n\t\t\t// Find the value to subtract out of the track\n\t\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else {\n\n\t\t\t\t// Interpolate to the reference value\n\t\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( interpolant.resultBuffer, startIndex, endIndex );\n\n\t\t\t}\n\n\t\t\t// Conjugate the quaternion\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t\t}\n\n\t\t\t// Subtract the reference value from all of the track values\n\n\t\t\tconst numTimes = targetTrack.times.length;\n\t\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart,\n\t\t\t\t\t\treferenceValue,\n\t\t\t\t\t\t0,\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\t\treturn targetClip;\n\n\t}\n\n};\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References:\n *\n * \t\thttp://www.oodesign.com/template-method-pattern.html\n *\n */\n\nclass Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t\tthis.settings = null;\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t// Template methods for derived classes:\n\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n// ALIAS DEFINITIONS\n\nInterpolant.prototype.beforeStart_ = Interpolant.prototype.copySampleValue_;\nInterpolant.prototype.afterEnd_ = Interpolant.prototype.copySampleValue_;\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n */\n\nclass CubicInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = - 0;\n\t\tthis._offsetPrev = - 0;\n\t\tthis._weightNext = - 0;\n\t\tthis._offsetNext = - 0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;\n\t\tconst s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nclass LinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n *\n * Interpolant that evaluates to the sample value at the position preceeding\n * the parameter.\n */\n\nclass DiscreteInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\nclass KeyframeTrack {\n\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t// Serialization (in static context, because of constructor invocation\n\t// and automatic invocation of .toJSON):\n\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t// move all keyframes either forwards or backwards in time\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== - 1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\tthis.values = AnimationUtils.arraySlice( this.values, from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t// removes equivalent sequential keys as common in morph target sequences\n\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\toptimize() {\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = AnimationUtils.arraySlice( this.times ),\n\t\t\tvalues = AnimationUtils.arraySlice( this.values ),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst times = AnimationUtils.arraySlice( this.times, 0 );\n\t\tconst values = AnimationUtils.arraySlice( this.values, 0 );\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A Track of Boolean keyframe values.\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {}\n\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of keyframe values that represent color.\n */\nclass ColorKeyframeTrack extends KeyframeTrack {}\n\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A Track of numeric keyframe values.\n */\nclass NumberKeyframeTrack extends KeyframeTrack {}\n\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n */\n\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A Track of quaternion keyframe values.\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\nQuaternionKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track that interpolates Strings\n */\nclass StringKeyframeTrack extends KeyframeTrack {}\n\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\nStringKeyframeTrack.prototype.ValueBufferType = Array;\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of vectored keyframe values.\n */\nclass VectorKeyframeTrack extends KeyframeTrack {}\n\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\nclass AnimationClip {\n\n\tconstructor( name, duration = - 1, tracks, blendMode = NormalAnimationBlendMode ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = duration;\n\t\tthis.blendMode = blendMode;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\treturn clip;\n\n\t}\n\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = AnimationUtils.getKeyframeOrder( times );\n\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, - 1, tracks );\n\n\t}\n\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t// parse the animation.hierarchy format\n\tstatic parseAnimation( animation, bones ) {\n\n\t\tif ( ! animation ) {\n\n\t\t\tconsole.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || - 1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\treturn new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\nconst Cache = {\n\n\tenabled: false,\n\n\tfiles: {},\n\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\nclass LoadingManager {\n\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t}\n\n}\n\nconst DefaultLoadingManager = new LoadingManager();\n\nclass Loader {\n\n\tconstructor( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.crossOrigin = 'anonymous';\n\t\tthis.withCredentials = false;\n\t\tthis.path = '';\n\t\tthis.resourcePath = '';\n\t\tthis.requestHeader = {};\n\n\t}\n\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\tparse( /* data */ ) {}\n\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n}\n\nconst loading = {};\n\nclass FileLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Check for data: URI\n\t\tconst dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;\n\t\tconst dataUriRegexResult = url.match( dataUriRegex );\n\t\tlet request;\n\n\t\t// Safari can not handle Data URIs through XMLHttpRequest so process manually\n\t\tif ( dataUriRegexResult ) {\n\n\t\t\tconst mimeType = dataUriRegexResult[ 1 ];\n\t\t\tconst isBase64 = !! dataUriRegexResult[ 2 ];\n\n\t\t\tlet data = dataUriRegexResult[ 3 ];\n\t\t\tdata = decodeURIComponent( data );\n\n\t\t\tif ( isBase64 ) data = atob( data );\n\n\t\t\ttry {\n\n\t\t\t\tlet response;\n\t\t\t\tconst responseType = ( this.responseType || '' ).toLowerCase();\n\n\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\tconst view = new Uint8Array( data.length );\n\n\t\t\t\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\t\t\t\tview[ i ] = data.charCodeAt( i );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( responseType === 'blob' ) {\n\n\t\t\t\t\t\t\tresponse = new Blob( [ view.buffer ], { type: mimeType } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tresponse = view.buffer;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\tresponse = parser.parseFromString( data, mimeType );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\tresponse = JSON.parse( data );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault: // 'text' or other\n\n\t\t\t\t\t\tresponse = data;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\t// Wait for next browser tick like standard XMLHttpRequest event dispatching does\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onLoad ) onLoad( response );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\t// Wait for next browser tick like standard XMLHttpRequest event dispatching does\n\t\t\t\tsetTimeout( function () {\n\n\t\t\t\t\tif ( onError ) onError( error );\n\n\t\t\t\t\tscope.manager.itemError( url );\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Initialise array for duplicate requests\n\n\t\t\tloading[ url ] = [];\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\trequest = new XMLHttpRequest();\n\n\t\t\trequest.open( 'GET', url, true );\n\n\t\t\trequest.addEventListener( 'load', function ( event ) {\n\n\t\t\t\tconst response = this.response;\n\n\t\t\t\tconst callbacks = loading[ url ];\n\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tif ( this.status === 200 || this.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( this.status === 0 ) console.warn( 'THREE.FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\t\tCache.add( url, response );\n\n\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( response );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\tif ( callback.onError ) callback.onError( event );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tscope.manager.itemError( url );\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}\n\n\t\t\t}, false );\n\n\t\t\trequest.addEventListener( 'progress', function ( event ) {\n\n\t\t\t\tconst callbacks = loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t}\n\n\t\t\t}, false );\n\n\t\t\trequest.addEventListener( 'error', function ( event ) {\n\n\t\t\t\tconst callbacks = loading[ url ];\n\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( event );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, false );\n\n\t\t\trequest.addEventListener( 'abort', function ( event ) {\n\n\t\t\t\tconst callbacks = loading[ url ];\n\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( event );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, false );\n\n\t\t\tif ( this.responseType !== undefined ) request.responseType = this.responseType;\n\t\t\tif ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;\n\n\t\t\tif ( request.overrideMimeType ) request.overrideMimeType( this.mimeType !== undefined ? this.mimeType : 'text/plain' );\n\n\t\t\tfor ( const header in this.requestHeader ) {\n\n\t\t\t\trequest.setRequestHeader( header, this.requestHeader[ header ] );\n\n\t\t\t}\n\n\t\t\trequest.send( null );\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\treturn request;\n\n\t}\n\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to block based textures loader (dds, pvr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass CompressedTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass ImageLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t\tCache.add( url, this );\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.substr( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\nclass CubeTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass DataTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tconst texData = scope.parse( buffer );\n\n\t\t\tif ( ! texData ) return;\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.encoding !== undefined ) {\n\n\t\t\t\ttexture.encoding = texData.encoding;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass TextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\n\t\t\t// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.\n\t\t\tconst isJPEG = url.search( /\\.jpe?g($|\\?)/i ) > 0 || url.search( /^data\\:image\\/jpeg/ ) === 0;\n\n\t\t\ttexture.format = isJPEG ? RGBFormat : RGBAFormat;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**************************************************************\n *\tCurved Path - a curve path is simply a array of connected\n *  curves, but retains the api of a curve\n **************************************************************/\n\nclass CurvePath extends Curve {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\tthis.curves = [];\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t}\n\n\t}\n\n\t// To get accurate point with reference to\n\t// entire path distance at time t,\n\t// following has to be done:\n\n\t// 1. Length of each sub path have to be known\n\t// 2. Locate and identify type of curve\n\t// 3. Get t for the curve\n\t// 4. Return curve.getPointAt(t')\n\n\tgetPoint( t ) {\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 <d\n\n\t}\n\n\t// We cannot use the default THREE.Curve getPoint() with getLength() because in\n\t// THREE.Curve, getLength() depends on getPoint() but in THREE.CurvePath\n\t// getPoint() depends on getLength\n\n\tgetLength() {\n\n\t\tconst lens = this.getCurveLengths();\n\t\treturn lens[ lens.length - 1 ];\n\n\t}\n\n\t// cacheLengths must be recalculated.\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.cacheLengths = null;\n\t\tthis.getCurveLengths();\n\n\t}\n\n\t// Compute lengths and cache them\n\t// We cannot overwrite getLengths() because UtoT mapping uses it.\n\n\tgetCurveLengths() {\n\n\t\t// We use cache values if curves and cache array are same length\n\n\t\tif ( this.cacheLengths && this.cacheLengths.length === this.curves.length ) {\n\n\t\t\treturn this.cacheLengths;\n\n\t\t}\n\n\t\t// Get length of sub-curve\n\t\t// Push sums into cached array\n\n\t\tconst lengths = [];\n\t\tlet sums = 0;\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tsums += this.curves[ i ].getLength();\n\t\t\tlengths.push( sums );\n\n\t\t}\n\n\t\tthis.cacheLengths = lengths;\n\n\t\treturn lengths;\n\n\t}\n\n\tgetSpacedPoints( divisions = 40 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let i = 0; i <= divisions; i ++ ) {\n\n\t\t\tpoints.push( this.getPoint( i / divisions ) );\n\n\t\t}\n\n\t\tif ( this.autoClose ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tgetPoints( divisions = 12 ) {\n\n\t\tconst points = [];\n\t\tlet last;\n\n\t\tfor ( let i = 0, curves = this.curves; i < curves.length; i ++ ) {\n\n\t\t\tconst curve = curves[ i ];\n\t\t\tconst resolution = ( curve && curve.isEllipseCurve ) ? divisions * 2\n\t\t\t\t: ( curve && ( curve.isLineCurve || curve.isLineCurve3 ) ) ? 1\n\t\t\t\t\t: ( curve && curve.isSplineCurve ) ? divisions * curve.points.length\n\t\t\t\t\t\t: divisions;\n\n\t\t\tconst pts = curve.getPoints( resolution );\n\n\t\t\tfor ( let j = 0; j < pts.length; j ++ ) {\n\n\t\t\t\tconst point = pts[ j ];\n\n\t\t\t\tif ( last && last.equals( point ) ) continue; // ensures no consecutive points are duplicates\n\n\t\t\t\tpoints.push( point );\n\t\t\t\tlast = point;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.autoClose && points.length > 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Path extends CurvePath {\n\n\tconstructor( points ) {\n\n\t\tsuper();\n\t\tthis.type = 'Path';\n\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts /*Array of Vector*/ ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Shape extends Path {\n\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\tthis.holes = [];\n\n\t}\n\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Light extends Object3D {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity;\n\n\t}\n\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLight.prototype.isLight = true;\n\nclass HemisphereLight extends Light {\n\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLight.prototype.copy.call( this, source );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nHemisphereLight.prototype.isHemisphereLight = true;\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\nclass LightShadow {\n\n\tconstructor( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.normalBias = 0;\n\t\tthis.radius = 1;\n\t\tthis.blurSamples = 8;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.mapPass = null;\n\t\tthis.matrix = new Matrix4();\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1 );\n\n\t\tshadowMatrix.set(\n\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t);\n\n\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t}\n\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\nclass SpotLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\tthis.focus = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = this.mapSize.width / this.mapSize.height;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLightShadow.prototype.isSpotLightShadow = true;\n\nclass SpotLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.distance = distance;\n\t\tthis.angle = angle;\n\t\tthis.penumbra = penumbra;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = \u03C0 * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLight.prototype.isSpotLight = true;\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\nclass PointLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t//  xzXZ\n\t\t\t//   y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t}\n\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t}\n\n}\n\nPointLightShadow.prototype.isPointLightShadow = true;\n\nclass PointLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tthis.distance = distance;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 \u03C0 luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointLight.prototype.isPointLight = true;\n\nclass DirectionalLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n}\n\nDirectionalLightShadow.prototype.isDirectionalLightShadow = true;\n\nclass DirectionalLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nDirectionalLight.prototype.isDirectionalLight = true;\n\nclass AmbientLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\nAmbientLight.prototype.isAmbientLight = true;\n\nclass RectAreaLight extends Light {\n\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\nRectAreaLight.prototype.isRectAreaLight = true;\n\n/**\n * Primary reference:\n *   https://graphics.stanford.edu/papers/envmap/envmap.pdf\n *\n * Secondary reference:\n *   https://www.ppsloan.org/publications/StupidSH36.pdf\n */\n\n// 3-band SH defined by 9 coefficients\n\nclass SphericalHarmonics3 {\n\n\tconstructor() {\n\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get the radiance in the direction of the normal\n\t// target is a Vector3\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal\n\t// target is a Vector3\n\t// https://graphics.stanford.edu/papers/envmap/envmap.pdf\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // \u03C0 * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * \u03C0 / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( \u03C0 / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( \u03C0 / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( \u03C0 / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t// evaluate the basis functions\n\t// shBasis is an Array[ 9 ]\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\nSphericalHarmonics3.prototype.isSphericalHarmonics3 = true;\n\nclass LightProbe extends Light {\n\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLightProbe.prototype.isLightProbe = true;\n\nclass MaterialLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\t\tthis.textures = {};\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = new Materials[ json.type ]();\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheenTint !== undefined ) material.sheenTint = new Color().setHex( json.sheenTint );\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularTint !== undefined && material.specularTint !== undefined ) material.specularTint.setHex( json.specularTint );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationTint !== undefined && material.attenuationTint !== undefined ) material.attenuationTint.setHex( json.attenuationTint );\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.format !== undefined ) material.format = json.format;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== 1 ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Deprecated\n\n\t\tif ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularTintMap !== undefined ) material.specularTintMap = getTexture( json.specularTintMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\treturn material;\n\n\t}\n\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass LoaderUtils {\n\n\tstatic decodeText( array ) {\n\n\t\tif ( typeof TextDecoder !== 'undefined' ) {\n\n\t\t\treturn new TextDecoder().decode( array );\n\n\t\t}\n\n\t\t// Avoid the String.fromCharCode.apply(null, array) shortcut, which\n\t\t// throws a \"maximum call stack size exceeded\" error for large arrays.\n\n\t\tlet s = '';\n\n\t\tfor ( let i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t// Implicitly assumes little-endian.\n\t\t\ts += String.fromCharCode( array[ i ] );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\t// merges multi-byte utf-8 characters.\n\n\t\t\treturn decodeURIComponent( escape( s ) );\n\n\t\t} catch ( e ) { // see #16358\n\n\t\t\treturn s;\n\n\t\t}\n\n\t}\n\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === - 1 ) return './';\n\n\t\treturn url.substr( 0, index + 1 );\n\n\t}\n\n}\n\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON( this );\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\nclass BufferGeometryLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tif ( attribute.updateRange !== undefined ) {\n\n\t\t\t\tbufferAttribute.updateRange.offset = attribute.updateRange.offset;\n\t\t\t\tbufferAttribute.updateRange.count = attribute.updateRange.count;\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tconst center = new Vector3();\n\n\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t}\n\n\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\nclass ObjectLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\tconsole.error( 'THREE:ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tconsole.error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ] instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\treturn object;\n\n\t}\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\tconsole.error( 'THREE.ObjectLoader: The legacy Geometry type is no longer supported.' );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( `THREE.ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.type === 'MultiMaterial' ) {\n\n\t\t\t\t\t// Deprecated\n\n\t\t\t\t\tconst array = [];\n\n\t\t\t\t\tfor ( let j = 0; j < data.materials.length; j ++ ) {\n\n\t\t\t\t\t\tconst material = data.materials[ j ];\n\n\t\t\t\t\t\tif ( cache[ material.uuid ] === undefined ) {\n\n\t\t\t\t\t\t\tcache[ material.uuid ] = loader.parse( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tarray.push( cache[ material.uuid ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = array;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tlet texture;\n\t\t\t\tconst image = images[ data.image ];\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture( image );\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture( image.data, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture( image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.encoding !== undefined ) texture.encoding = data.encoding;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\t/* DEPRECATED */\n\n\tsetTexturePath( value ) {\n\n\t\tconsole.warn( 'THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath().' );\n\t\treturn this.setResourcePath( value );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\tCubeUVRefractionMapping: CubeUVRefractionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nclass ImageBitmapLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t}\n\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\n\t\tfetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( url, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n}\n\nImageBitmapLoader.prototype.isImageBitmapLoader = true;\n\nclass ShapePath {\n\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\tthis.color = new Color();\n\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\ttoShapes( isCCW, noHoles ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success    or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t//  with the horizontal line through inPt, left of inPt\n\t\t\t//  not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//console.log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//console.log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tconst toChange = [];\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\n\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//console.log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nclass Font {\n\n\tconstructor( data ) {\n\n\t\tthis.type = 'Font';\n\n\t\tthis.data = data;\n\n\t}\n\n\tgenerateShapes( text, size = 100 ) {\n\n\t\tconst shapes = [];\n\t\tconst paths = createPaths( text, size, this.data );\n\n\t\tfor ( let p = 0, pl = paths.length; p < pl; p ++ ) {\n\n\t\t\tArray.prototype.push.apply( shapes, paths[ p ].toShapes() );\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nfunction createPaths( text, size, data ) {\n\n\tconst chars = Array.from( text );\n\tconst scale = size / data.resolution;\n\tconst line_height = ( data.boundingBox.yMax - data.boundingBox.yMin + data.underlineThickness ) * scale;\n\n\tconst paths = [];\n\n\tlet offsetX = 0, offsetY = 0;\n\n\tfor ( let i = 0; i < chars.length; i ++ ) {\n\n\t\tconst char = chars[ i ];\n\n\t\tif ( char === '\\n' ) {\n\n\t\t\toffsetX = 0;\n\t\t\toffsetY -= line_height;\n\n\t\t} else {\n\n\t\t\tconst ret = createPath( char, scale, offsetX, offsetY, data );\n\t\t\toffsetX += ret.offsetX;\n\t\t\tpaths.push( ret.path );\n\n\t\t}\n\n\t}\n\n\treturn paths;\n\n}\n\nfunction createPath( char, scale, offsetX, offsetY, data ) {\n\n\tconst glyph = data.glyphs[ char ] || data.glyphs[ '?' ];\n\n\tif ( ! glyph ) {\n\n\t\tconsole.error( 'THREE.Font: character \"' + char + '\" does not exists in font family ' + data.familyName + '.' );\n\n\t\treturn;\n\n\t}\n\n\tconst path = new ShapePath();\n\n\tlet x, y, cpx, cpy, cpx1, cpy1, cpx2, cpy2;\n\n\tif ( glyph.o ) {\n\n\t\tconst outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );\n\n\t\tfor ( let i = 0, l = outline.length; i < l; ) {\n\n\t\t\tconst action = outline[ i ++ ];\n\n\t\t\tswitch ( action ) {\n\n\t\t\t\tcase 'm': // moveTo\n\n\t\t\t\t\tx = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\ty = outline[ i ++ ] * scale + offsetY;\n\n\t\t\t\t\tpath.moveTo( x, y );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'l': // lineTo\n\n\t\t\t\t\tx = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\ty = outline[ i ++ ] * scale + offsetY;\n\n\t\t\t\t\tpath.lineTo( x, y );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'q': // quadraticCurveTo\n\n\t\t\t\t\tcpx = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy = outline[ i ++ ] * scale + offsetY;\n\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy1 = outline[ i ++ ] * scale + offsetY;\n\n\t\t\t\t\tpath.quadraticCurveTo( cpx1, cpy1, cpx, cpy );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'b': // bezierCurveTo\n\n\t\t\t\t\tcpx = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy = outline[ i ++ ] * scale + offsetY;\n\t\t\t\t\tcpx1 = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy1 = outline[ i ++ ] * scale + offsetY;\n\t\t\t\t\tcpx2 = outline[ i ++ ] * scale + offsetX;\n\t\t\t\t\tcpy2 = outline[ i ++ ] * scale + offsetY;\n\n\t\t\t\t\tpath.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn { offsetX: glyph.ha * scale, path: path };\n\n}\n\nFont.prototype.isFont = true;\n\nclass FontLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tconsole.warn( 'THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead.' );\n\t\t\t\tjson = JSON.parse( text.substring( 65, text.length - 2 ) );\n\n\t\t\t}\n\n\t\t\tconst font = scope.parse( json );\n\n\t\t\tif ( onLoad ) onLoad( font );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\treturn new Font( json );\n\n\t}\n\n}\n\nlet _context;\n\nconst AudioContext = {\n\n\tgetContext: function () {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t},\n\n\tsetContext: function ( value ) {\n\n\t\t_context = value;\n\n\t}\n\n};\n\nclass AudioLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n}\n\nclass HemisphereLightProbe extends LightProbe {\n\n\tconstructor( skyColor, groundColor, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( skyColor );\n\t\tconst color2 = new Color().set( groundColor );\n\n\t\tconst sky = new Vector3( color1.r, color1.g, color1.b );\n\t\tconst ground = new Vector3( color2.r, color2.g, color2.b );\n\n\t\t// without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI );\n\t\tconst c0 = Math.sqrt( Math.PI );\n\t\tconst c1 = c0 * Math.sqrt( 0.75 );\n\n\t\tthis.sh.coefficients[ 0 ].copy( sky ).add( ground ).multiplyScalar( c0 );\n\t\tthis.sh.coefficients[ 1 ].copy( sky ).sub( ground ).multiplyScalar( c1 );\n\n\t}\n\n}\n\nHemisphereLightProbe.prototype.isHemisphereLightProbe = true;\n\nclass AmbientLightProbe extends LightProbe {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( color );\n\n\t\t// without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI );\n\t\tthis.sh.coefficients[ 0 ].set( color1.r, color1.g, color1.b ).multiplyScalar( 2 * Math.sqrt( Math.PI ) );\n\n\t}\n\n}\n\nAmbientLightProbe.prototype.isAmbientLightProbe = true;\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\n\nclass StereoCamera {\n\n\tconstructor() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\tconst projectionMatrix = camera.projectionMatrix.clone();\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\tprojectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\tprojectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\tprojectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\nclass Clock {\n\n\tconstructor( autoStart = true ) {\n\n\t\tthis.autoStart = autoStart;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tstart() {\n\n\t\tthis.startTime = now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nfunction now() {\n\n\treturn ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\nconst _orientation$1 = /*@__PURE__*/ new Vector3();\n\nclass AudioListener extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = AudioContext.getContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\t\tconst up = this.up;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t_orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass Audio extends Object3D {\n\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.listener = listener;\n\t\tthis.context = listener.context;\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.buffer = null;\n\t\tthis.detune = 0;\n\t\tthis.loop = false;\n\t\tthis.loopStart = 0;\n\t\tthis.loopEnd = 0;\n\t\tthis.offset = 0;\n\t\tthis.duration = undefined;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.source = null;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\tthis.filters = [];\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tthis.source.stop();\n\t\tthis.source.onended = null;\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.source.detune === undefined ) return; // only set detune when available\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\n\t}\n\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\nclass PositionalAudio extends Audio {\n\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass AudioAnalyser {\n\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\nclass PropertyMixer {\n\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'accu<i>'\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'add'\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t// apply the state of 'accu<i>' to the binding when accus differ\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remember the state of the bound property and copy it to both accus\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t// apply the state previously taken via 'saveOriginalState' to the binding\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\nclass PropertyBinding {\n\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name Node name to be sanitized.\n\t * @return {string}\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== - 1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t// create getter / setter pair for a property in the scene graph\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\\'t found.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.geometry.isBufferGeometry ) {\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t\t}\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n *\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n *  - Add objects you would otherwise pass as 'root' to the\n *    constructor or the .clipAction method of AnimationMixer.\n *\n *  - Instead pass this object as 'root'.\n *\n *  - You can also add and remove objects later when the mixer\n *    is running.\n *\n * Note:\n *\n *    Objects of this class appear as one object to the mixer,\n *    so cache control of the individual objects must be done\n *    on the group.\n *\n * Limitation:\n *\n *  - The animated properties must be compatible among the\n *    all objects in the group.\n *\n *  - A single property can either be controlled through a\n *    target group or directly, but not both.\n */\n\nclass AnimationObjectGroup {\n\n\tconstructor() {\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\tconsole.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// remove & forget\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\nAnimationObjectGroup.prototype.isAnimationObjectGroup = true;\n\nclass AnimationAction {\n\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = - 1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; // no. of repetitions when looping\n\n\t\tthis.paused = false; // true -> zero effective time scale\n\t\tthis.enabled = true; // false -> zero effective weight\n\n\t\tthis.clampWhenFinished = false;// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart = true;// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd = true;// clips for start, loop and end\n\n\t}\n\n\t// State & Scheduling\n\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = - 1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t// return true when play has been called\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t// Weight\n\n\t// set the weight stopping any scheduled fading\n\t// although .enabled = false yields an effective weight of zero, this\n\t// method does *not* change .enabled, because it would be confusing\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t// return the weight considering fading and .enabled\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\tcrossFadeFrom( fadeOutAction, duration, warp ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcrossFadeTo( fadeInAction, duration, warp ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Time Scale Control\n\n\t// set the time scale stopping any scheduled warping\n\t// although .paused = true yields an effective time scale of zero, this\n\t// method does *not* change .paused, because it would be confusing\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t// return the time scale considering warping and .paused\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Object Accessors\n\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t}\n\n\t\t\t// start\n\n\t\t\tthis._startTime = null; // unschedule\n\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === - 1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? - 1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : - 1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationMixer extends EventDispatcher {\n\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\t\tthis.time = 0;\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions |  inactive actions  ]\n\t\t// [  active actions >| inactive actions ]\n\t\t//                 s        a\n\t\t//                  <-swap->\n\t\t//                 a        s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [  active actions  | inactive actions ]\n\t\t// [ active actions |< inactive actions  ]\n\t\t//        a        s\n\t\t//         <-swap->\n\t\t//        s        a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t// return an action for a clip optionally using a custom root target\n\t// object (this method allocates a lot of dynamic memory in case a\n\t// previously unknown clip/root combination is specified)\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t// get an existing action\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// deactivates all previously scheduled actions\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// advance the time and update apply the animation\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Allows you to seek to a specific time in an animation.\n\tsetTime( timeInSeconds ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( timeInSeconds ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t// return this mixer's root target object\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t// free all resources specific to a particular clip\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t// free all resources specific to a particular root target object\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remove a targeted clip from the cache\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\nAnimationMixer.prototype._controlInterpolantsResultBuffer = new Float32Array( 1 );\n\nclass Uniform {\n\n\tconstructor( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\nInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\nclass GLBufferAttribute {\n\n\tconstructor( buffer, type, itemSize, elementSize, count ) {\n\n\t\tthis.buffer = buffer;\n\t\tthis.type = type;\n\t\tthis.itemSize = itemSize;\n\t\tthis.elementSize = elementSize;\n\t\tthis.count = count;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nGLBufferAttribute.prototype.isGLBufferAttribute = true;\n\nclass Raycaster {\n\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.camera = null;\n\t\tthis.layers = new Layers();\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera && camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera && camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\tintersectObject( object, recursive = false, intersects = [] ) {\n\n\t\tintersectObject( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\tintersectObjects( objects, recursive = false, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t}\n\n\tif ( recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n *\n * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up.\n * The azimuthal angle (theta) is measured from the positive z-axis.\n */\n\nclass Spherical {\n\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi; // polar angle\n\t\tthis.theta = theta; // azimuthal angle\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t// restrict phi to be betwee EPS and PI-EPS\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system\n */\n\nclass Cylindrical {\n\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\tthis.radius = radius; // distance from the origin to a point in the x-z plane\n\t\tthis.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis\n\t\tthis.y = y; // height above the x-z plane\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\nclass Box2 {\n\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ? false : true;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$4.copy( point ).clamp( this.min, this.max );\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox2.prototype.isBox2 = true;\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nclass Line3 {\n\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\tthis.start = start;\n\t\tthis.end = end;\n\n\t}\n\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass ImmediateRenderObject extends Object3D {\n\n\tconstructor( material ) {\n\n\t\tsuper();\n\n\t\tthis.material = material;\n\t\tthis.render = function ( /* renderCallback */ ) {};\n\n\t\tthis.hasPositions = false;\n\t\tthis.hasNormals = false;\n\t\tthis.hasColors = false;\n\t\tthis.hasUvs = false;\n\n\t\tthis.positionArray = null;\n\t\tthis.normalArray = null;\n\t\tthis.colorArray = null;\n\t\tthis.uvArray = null;\n\n\t\tthis.count = 0;\n\n\t}\n\n}\n\nImmediateRenderObject.prototype.isImmediateRenderObject = true;\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\nclass SpotLightHelper extends Object3D {\n\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t- 1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, - 1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateMatrixWorld();\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n\nclass SkeletonHelper extends LineSegments {\n\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst color1 = new Color( 0, 0, 1 );\n\t\tconst color2 = new Color( 0, 1, 0 );\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( color1.r, color1.g, color1.b );\n\t\t\t\tcolors.push( color2.r, color2.g, color2.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkeletonHelper';\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.root = object;\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object && object.isBone ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push.apply( boneList, getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\nclass PointLightHelper extends Mesh {\n\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronBufferGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\nclass HemisphereLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\nclass GridHelper extends LineSegments {\n\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n}\n\nclass PolarGridHelper extends LineSegments {\n\n\tconstructor( radius = 10, radials = 16, circles = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the radials\n\n\t\tfor ( let i = 0; i <= radials; i ++ ) {\n\n\t\t\tconst v = ( i / radials ) * ( Math.PI * 2 );\n\n\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tvertices.push( x, 0, z );\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t}\n\n\t\t// create the circles\n\n\t\tfor ( let i = 0; i <= circles; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / circles * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\nclass DirectionalLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n *\t- shows frustum, line of sight and up of the camera\n *\t- suitable for fast updates\n * \t- based on frustum visualization in lightgl.js shadowmap example\n *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n */\n\nclass CameraHelper extends LineSegments {\n\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2', colorFrustum );\n\t\taddLine( 'n2', 'n4', colorFrustum );\n\t\taddLine( 'n4', 'n3', colorFrustum );\n\t\taddLine( 'n3', 'n1', colorFrustum );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2', colorFrustum );\n\t\taddLine( 'f2', 'f4', colorFrustum );\n\t\taddLine( 'f4', 'f3', colorFrustum );\n\t\taddLine( 'f3', 'f1', colorFrustum );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1', colorFrustum );\n\t\taddLine( 'n2', 'f2', colorFrustum );\n\t\taddLine( 'n3', 'f3', colorFrustum );\n\t\taddLine( 'n4', 'f4', colorFrustum );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1', colorCone );\n\t\taddLine( 'p', 'n2', colorCone );\n\t\taddLine( 'p', 'n3', colorCone );\n\t\taddLine( 'p', 'n4', colorCone );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2', colorUp );\n\t\taddLine( 'u2', 'u3', colorUp );\n\t\taddLine( 'u3', 'u1', colorUp );\n\n\t\t// target\n\n\t\taddLine( 'c', 't', colorTarget );\n\t\taddLine( 'p', 'c', colorCross );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2', colorCross );\n\t\taddLine( 'cn3', 'cn4', colorCross );\n\n\t\taddLine( 'cf1', 'cf2', colorCross );\n\t\taddLine( 'cf3', 'cf4', colorCross );\n\n\t\tfunction addLine( a, b, color ) {\n\n\t\t\taddPoint( a, color );\n\t\t\taddPoint( b, color );\n\n\t\t}\n\n\t\tfunction addPoint( id, color ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// center / target\n\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, - 1 );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, 1 );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, - 1 );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, - 1 );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, - 1 );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, - 1 );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, 1 );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, - 1 );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, - 1 );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, - 1 );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, - 1 );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, - 1 );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\nclass BoxHelper extends LineSegments {\n\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate( object ) {\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );\n\n\t\t}\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLineSegments.prototype.copy.call( this, source );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Box3Helper extends LineSegments {\n\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nclass PlaneHelper extends Line {\n\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, - 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\tthis.plane = plane;\n\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, - 1, 1, 1, - 1, 1 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tlet scale = - this.plane.constant;\n\n\t\tif ( Math.abs( scale ) < 1e-8 ) scale = 1e-8; // sign does not matter\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, scale );\n\n\t\tthis.children[ 0 ].material.side = ( scale < 0 ) ? BackSide : FrontSide; // renderer flips side when determinant < 0; flipping not wanted here\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\nclass ArrowHelper extends Object3D {\n\n\t// dir is assumed to be normalized\n\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, - 0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AxesHelper extends LineSegments {\n\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nconst _floatView = new Float32Array( 1 );\nconst _int32View = new Int32Array( _floatView.buffer );\n\nclass DataUtils {\n\n\t// Converts float32 to float16 (stored as uint16 value).\n\n\tstatic toHalfFloat( val ) {\n\n\t\t// Source: http://gamedev.stackexchange.com/questions/17326/conversion-of-a-number-from-single-precision-floating-point-representation-to-a/17410#17410\n\n\t\t/* This method is faster than the OpenEXR implementation (very often\n\t\t* used, eg. in Ogre), with the additional benefit of rounding, inspired\n\t\t* by James Tursa?s half-precision code. */\n\n\t\t_floatView[ 0 ] = val;\n\t\tconst x = _int32View[ 0 ];\n\n\t\tlet bits = ( x >> 16 ) & 0x8000; /* Get the sign */\n\t\tlet m = ( x >> 12 ) & 0x07ff; /* Keep one extra bit for rounding */\n\t\tconst e = ( x >> 23 ) & 0xff; /* Using int is faster here */\n\n\t\t/* If zero, or denormal, or exponent underflows too much for a denormal\n\t\t\t* half, return signed zero. */\n\t\tif ( e < 103 ) return bits;\n\n\t\t/* If NaN, return NaN. If Inf or exponent overflow, return Inf. */\n\t\tif ( e > 142 ) {\n\n\t\t\tbits |= 0x7c00;\n\t\t\t/* If exponent was 0xff and one mantissa bit was set, it means NaN,\n\t\t\t\t\t\t* not Inf, so make sure we set one mantissa bit too. */\n\t\t\tbits |= ( ( e == 255 ) ? 0 : 1 ) && ( x & 0x007fffff );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\t/* If exponent underflows but not too much, return a denormal */\n\t\tif ( e < 113 ) {\n\n\t\t\tm |= 0x0800;\n\t\t\t/* Extra rounding may overflow and set mantissa to 0 and exponent\n\t\t\t\t* to 1, which is OK. */\n\t\t\tbits |= ( m >> ( 114 - e ) ) + ( ( m >> ( 113 - e ) ) & 1 );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\tbits |= ( ( e - 112 ) << 10 ) | ( m >> 1 );\n\t\t/* Extra rounding. An overflow will set mantissa to 0 and increment\n\t\t\t* the exponent, which is OK. */\n\t\tbits += m & 1;\n\t\treturn bits;\n\n\t}\n\n}\n\nconst LineStrip = 0;\nconst LinePieces = 1;\nconst NoColors = 0;\nconst FaceColors = 1;\nconst VertexColors = 2;\n\nfunction MeshFaceMaterial( materials ) {\n\n\tconsole.warn( 'THREE.MeshFaceMaterial has been removed. Use an Array instead.' );\n\treturn materials;\n\n}\n\nfunction MultiMaterial( materials = [] ) {\n\n\tconsole.warn( 'THREE.MultiMaterial has been removed. Use an Array instead.' );\n\tmaterials.isMultiMaterial = true;\n\tmaterials.materials = materials;\n\tmaterials.clone = function () {\n\n\t\treturn materials.slice();\n\n\t};\n\n\treturn materials;\n\n}\n\nfunction PointCloud( geometry, material ) {\n\n\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction Particle( material ) {\n\n\tconsole.warn( 'THREE.Particle has been renamed to THREE.Sprite.' );\n\treturn new Sprite( material );\n\n}\n\nfunction ParticleSystem( geometry, material ) {\n\n\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction PointCloudMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleBasicMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleSystemMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction Vertex( x, y, z ) {\n\n\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\treturn new Vector3( x, y, z );\n\n}\n\n//\n\nfunction DynamicBufferAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead.' );\n\treturn new BufferAttribute( array, itemSize ).setUsage( DynamicDrawUsage );\n\n}\n\nfunction Int8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead.' );\n\treturn new Int8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead.' );\n\treturn new Uint8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead.' );\n\treturn new Uint8ClampedBufferAttribute( array, itemSize );\n\n}\n\nfunction Int16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead.' );\n\treturn new Int16BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead.' );\n\treturn new Uint16BufferAttribute( array, itemSize );\n\n}\n\nfunction Int32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead.' );\n\treturn new Int32BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead.' );\n\treturn new Uint32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead.' );\n\treturn new Float32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float64Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead.' );\n\treturn new Float64BufferAttribute( array, itemSize );\n\n}\n\n//\n\nCurve.create = function ( construct, getPoint ) {\n\n\tconsole.log( 'THREE.Curve.create() has been deprecated' );\n\n\tconstruct.prototype = Object.create( Curve.prototype );\n\tconstruct.prototype.constructor = construct;\n\tconstruct.prototype.getPoint = getPoint;\n\n\treturn construct;\n\n};\n\n//\n\nPath.prototype.fromPoints = function ( points ) {\n\n\tconsole.warn( 'THREE.Path: .fromPoints() has been renamed to .setFromPoints().' );\n\treturn this.setFromPoints( points );\n\n};\n\n//\n\nfunction AxisHelper( size ) {\n\n\tconsole.warn( 'THREE.AxisHelper has been renamed to THREE.AxesHelper.' );\n\treturn new AxesHelper( size );\n\n}\n\nfunction BoundingBoxHelper( object, color ) {\n\n\tconsole.warn( 'THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead.' );\n\treturn new BoxHelper( object, color );\n\n}\n\nfunction EdgesHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\nGridHelper.prototype.setColors = function () {\n\n\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n};\n\nSkeletonHelper.prototype.update = function () {\n\n\tconsole.error( 'THREE.SkeletonHelper: update() no longer needs to be called.' );\n\n};\n\nfunction WireframeHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\n//\n\nLoader.prototype.extractUrlBase = function ( url ) {\n\n\tconsole.warn( 'THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead.' );\n\treturn LoaderUtils.extractUrlBase( url );\n\n};\n\nLoader.Handlers = {\n\n\tadd: function ( /* regex, loader */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.' );\n\n\t},\n\n\tget: function ( /* file */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.' );\n\n\t}\n\n};\n\nfunction XHRLoader( manager ) {\n\n\tconsole.warn( 'THREE.XHRLoader has been renamed to THREE.FileLoader.' );\n\treturn new FileLoader( manager );\n\n}\n\nfunction BinaryTextureLoader( manager ) {\n\n\tconsole.warn( 'THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader.' );\n\treturn new DataTextureLoader( manager );\n\n}\n\n//\n\nBox2.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox2.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox2.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox2.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nBox3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox3.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox3.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox3.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\nBox3.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nSphere.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Sphere: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\n//\n\nFrustum.prototype.setFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix().' );\n\treturn this.setFromProjectionMatrix( m );\n\n};\n\n//\n\nLine3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\n//\n\nMatrix3.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix3.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\treturn vector.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead.' );\n\treturn attribute.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nMatrix4.prototype.extractPosition = function ( m ) {\n\n\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\treturn this.copyPosition( m );\n\n};\n\nMatrix4.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix4.prototype.getPosition = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\treturn new Vector3().setFromMatrixColumn( this, 3 );\n\n};\n\nMatrix4.prototype.setRotationFromQuaternion = function ( q ) {\n\n\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\treturn this.makeRotationFromQuaternion( q );\n\n};\n\nMatrix4.prototype.multiplyToArray = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyToArray() has been removed.' );\n\n};\n\nMatrix4.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector4 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateAxis = function ( v ) {\n\n\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\tv.transformDirection( this );\n\n};\n\nMatrix4.prototype.crossVector = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.translate = function () {\n\n\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateX = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateY = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateZ = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateByAxis = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\n};\n\nMatrix4.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead.' );\n\treturn attribute.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.makeFrustum = function ( left, right, bottom, top, near, far ) {\n\n\tconsole.warn( 'THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead.' );\n\treturn this.makePerspective( left, right, top, bottom, near, far );\n\n};\n\nMatrix4.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nPlane.prototype.isIntersectionLine = function ( line ) {\n\n\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\treturn this.intersectsLine( line );\n\n};\n\n//\n\nQuaternion.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\treturn vector.applyQuaternion( this );\n\n};\n\nQuaternion.prototype.inverse = function ( ) {\n\n\tconsole.warn( 'THREE.Quaternion: .inverse() has been renamed to invert().' );\n\treturn this.invert();\n\n};\n\n//\n\nRay.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nRay.prototype.isIntersectionPlane = function ( plane ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\treturn this.intersectsPlane( plane );\n\n};\n\nRay.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\n//\n\nTriangle.prototype.area = function () {\n\n\tconsole.warn( 'THREE.Triangle: .area() has been renamed to .getArea().' );\n\treturn this.getArea();\n\n};\n\nTriangle.prototype.barycoordFromPoint = function ( point, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn this.getBarycoord( point, target );\n\n};\n\nTriangle.prototype.midpoint = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .midpoint() has been renamed to .getMidpoint().' );\n\treturn this.getMidpoint( target );\n\n};\n\nTriangle.prototypenormal = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn this.getNormal( target );\n\n};\n\nTriangle.prototype.plane = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .plane() has been renamed to .getPlane().' );\n\treturn this.getPlane( target );\n\n};\n\nTriangle.barycoordFromPoint = function ( point, a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn Triangle.getBarycoord( point, a, b, c, target );\n\n};\n\nTriangle.normal = function ( a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn Triangle.getNormal( a, b, c, target );\n\n};\n\n//\n\nShape.prototype.extractAllPoints = function ( divisions ) {\n\n\tconsole.warn( 'THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead.' );\n\treturn this.extractPoints( divisions );\n\n};\n\nShape.prototype.extrude = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\treturn new ExtrudeGeometry( this, options );\n\n};\n\nShape.prototype.makeGeometry = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\treturn new ShapeGeometry( this, options );\n\n};\n\n//\n\nVector2.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector2.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector2.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector3.prototype.setEulerFromRotationMatrix = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\n};\n\nVector3.prototype.setEulerFromQuaternion = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\n};\n\nVector3.prototype.getPositionFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\treturn this.setFromMatrixPosition( m );\n\n};\n\nVector3.prototype.getScaleFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\treturn this.setFromMatrixScale( m );\n\n};\n\nVector3.prototype.getColumnFromMatrix = function ( index, matrix ) {\n\n\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\treturn this.setFromMatrixColumn( matrix, index );\n\n};\n\nVector3.prototype.applyProjection = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead.' );\n\treturn this.applyMatrix4( m );\n\n};\n\nVector3.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector3.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector3.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector4.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector4.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nObject3D.prototype.getChildByName = function ( name ) {\n\n\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\treturn this.getObjectByName( name );\n\n};\n\nObject3D.prototype.renderDepth = function () {\n\n\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\n};\n\nObject3D.prototype.translate = function ( distance, axis ) {\n\n\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\treturn this.translateOnAxis( axis, distance );\n\n};\n\nObject3D.prototype.getWorldRotation = function () {\n\n\tconsole.error( 'THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.' );\n\n};\n\nObject3D.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( Object3D.prototype, {\n\n\teulerOrder: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\treturn this.rotation.order;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\tthis.rotation.order = value;\n\n\t\t}\n\t},\n\tuseQuaternion: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t}\n\t}\n\n} );\n\nMesh.prototype.setDrawMode = function () {\n\n\tconsole.error( 'THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n};\n\nObject.defineProperties( Mesh.prototype, {\n\n\tdrawMode: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode.' );\n\t\t\treturn TrianglesDrawMode;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n\t\t}\n\t}\n\n} );\n\nSkinnedMesh.prototype.initBones = function () {\n\n\tconsole.error( 'THREE.SkinnedMesh: initBones() has been removed.' );\n\n};\n\n//\n\nPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\tconsole.warn( 'THREE.PerspectiveCamera.setLens is deprecated. ' +\n\t\t\t'Use .setFocalLength and .filmGauge for a photographic setup.' );\n\n\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\tthis.setFocalLength( focalLength );\n\n};\n\n//\n\nObject.defineProperties( Light.prototype, {\n\tonlyShadow: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\n\t\t}\n\t},\n\tshadowCameraFov: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\tthis.shadow.camera.fov = value;\n\n\t\t}\n\t},\n\tshadowCameraLeft: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\tthis.shadow.camera.left = value;\n\n\t\t}\n\t},\n\tshadowCameraRight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\tthis.shadow.camera.right = value;\n\n\t\t}\n\t},\n\tshadowCameraTop: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\tthis.shadow.camera.top = value;\n\n\t\t}\n\t},\n\tshadowCameraBottom: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\tthis.shadow.camera.bottom = value;\n\n\t\t}\n\t},\n\tshadowCameraNear: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\tthis.shadow.camera.near = value;\n\n\t\t}\n\t},\n\tshadowCameraFar: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\tthis.shadow.camera.far = value;\n\n\t\t}\n\t},\n\tshadowCameraVisible: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\n\t\t}\n\t},\n\tshadowBias: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\tthis.shadow.bias = value;\n\n\t\t}\n\t},\n\tshadowDarkness: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\n\t\t}\n\t},\n\tshadowMapWidth: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\tthis.shadow.mapSize.width = value;\n\n\t\t}\n\t},\n\tshadowMapHeight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\tthis.shadow.mapSize.height = value;\n\n\t\t}\n\t}\n} );\n\n//\n\nObject.defineProperties( BufferAttribute.prototype, {\n\n\tlength: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Use .count instead.' );\n\t\t\treturn this.array.length;\n\n\t\t}\n\t},\n\tdynamic: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\treturn this.usage === DynamicDrawUsage;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\tthis.setUsage( DynamicDrawUsage );\n\n\t\t}\n\t}\n\n} );\n\nBufferAttribute.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nBufferAttribute.prototype.copyIndicesArray = function ( /* indices */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .copyIndicesArray() has been removed.' );\n\n},\n\nBufferAttribute.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nBufferGeometry.prototype.addIndex = function ( index ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\tthis.setIndex( index );\n\n};\n\nBufferGeometry.prototype.addAttribute = function ( name, attribute ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute().' );\n\n\tif ( ! ( attribute && attribute.isBufferAttribute ) && ! ( attribute && attribute.isInterleavedBufferAttribute ) ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\treturn this.setAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t}\n\n\tif ( name === 'index' ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\tthis.setIndex( attribute );\n\n\t\treturn this;\n\n\t}\n\n\treturn this.setAttribute( name, attribute );\n\n};\n\nBufferGeometry.prototype.addDrawCall = function ( start, count, indexOffset ) {\n\n\tif ( indexOffset !== undefined ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\n\t}\n\n\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\tthis.addGroup( start, count );\n\n};\n\nBufferGeometry.prototype.clearDrawCalls = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\tthis.clearGroups();\n\n};\n\nBufferGeometry.prototype.computeOffsets = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\n};\n\nBufferGeometry.prototype.removeAttribute = function ( name ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute().' );\n\n\treturn this.deleteAttribute( name );\n\n};\n\nBufferGeometry.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( BufferGeometry.prototype, {\n\n\tdrawcalls: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t},\n\toffsets: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t}\n\n} );\n\nInterleavedBuffer.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nInterleavedBuffer.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nExtrudeGeometry.prototype.getArrays = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .getArrays() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShapeList = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShapeList() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShape = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShape() has been removed.' );\n\n};\n\n//\n\nScene.prototype.dispose = function () {\n\n\tconsole.error( 'THREE.Scene: .dispose() has been removed.' );\n\n};\n\n//\n\nUniform.prototype.onUpdate = function () {\n\n\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\treturn this;\n\n};\n\n//\n\nObject.defineProperties( Material.prototype, {\n\n\twrapAround: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t}\n\t},\n\n\toverdraw: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t}\n\t},\n\n\twrapRGB: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapRGB has been removed.' );\n\t\t\treturn new Color();\n\n\t\t}\n\t},\n\n\tshading: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\tthis.flatShading = ( value === FlatShading );\n\n\t\t}\n\t},\n\n\tstencilMask: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\treturn this.stencilFuncMask;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\tthis.stencilFuncMask = value;\n\n\t\t}\n\t},\n\n\tvertexTangents: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( ShaderMaterial.prototype, {\n\n\tderivatives: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\treturn this.extensions.derivatives;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\tthis.extensions.derivatives = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nWebGLRenderer.prototype.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead.' );\n\tthis.setRenderTarget( renderTarget );\n\tthis.clear( color, depth, stencil );\n\n};\n\nWebGLRenderer.prototype.animate = function ( callback ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .animate() is now .setAnimationLoop().' );\n\tthis.setAnimationLoop( callback );\n\n};\n\nWebGLRenderer.prototype.getCurrentRenderTarget = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget().' );\n\treturn this.getRenderTarget();\n\n};\n\nWebGLRenderer.prototype.getMaxAnisotropy = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy().' );\n\treturn this.capabilities.getMaxAnisotropy();\n\n};\n\nWebGLRenderer.prototype.getPrecision = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision.' );\n\treturn this.capabilities.precision;\n\n};\n\nWebGLRenderer.prototype.resetGLState = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .resetGLState() is now .state.reset().' );\n\treturn this.state.reset();\n\n};\n\nWebGLRenderer.prototype.supportsFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_float' );\n\n};\n\nWebGLRenderer.prototype.supportsHalfFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_half_float' );\n\n};\n\nWebGLRenderer.prototype.supportsStandardDerivatives = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\treturn this.extensions.get( 'OES_standard_derivatives' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTextureS3TC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTexturePVRTC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n};\n\nWebGLRenderer.prototype.supportsBlendMinMax = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\treturn this.extensions.get( 'EXT_blend_minmax' );\n\n};\n\nWebGLRenderer.prototype.supportsVertexTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures.' );\n\treturn this.capabilities.vertexTextures;\n\n};\n\nWebGLRenderer.prototype.supportsInstancedArrays = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\n};\n\nWebGLRenderer.prototype.enableScissorTest = function ( boolean ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\tthis.setScissorTest( boolean );\n\n};\n\nWebGLRenderer.prototype.initMaterial = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPrePlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPostPlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.updateShadowMap = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setFaceCulling = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setFaceCulling() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.allocTextureUnit = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .allocTextureUnit() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture2D = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture2D() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTextureCube = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTextureCube() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.getActiveMipMapLevel = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel().' );\n\treturn this.getActiveMipmapLevel();\n\n};\n\nObject.defineProperties( WebGLRenderer.prototype, {\n\n\tshadowMapEnabled: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.enabled;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\tthis.shadowMap.enabled = value;\n\n\t\t}\n\t},\n\tshadowMapType: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\tthis.shadowMap.type = value;\n\n\t\t}\n\t},\n\tshadowMapCullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\tcontext: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .context has been removed. Use .getContext() instead.' );\n\t\t\treturn this.getContext();\n\n\t\t}\n\t},\n\tvr: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .vr has been renamed to .xr' );\n\t\t\treturn this.xr;\n\n\t\t}\n\t},\n\tgammaInput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\n\t\t}\n\t},\n\tgammaOutput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\tthis.outputEncoding = ( value === true ) ? sRGBEncoding : LinearEncoding;\n\n\t\t}\n\t},\n\ttoneMappingWhitePoint: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\t\t\treturn 1.0;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( WebGLShadowMap.prototype, {\n\n\tcullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* cullFace */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderReverseSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderSingleSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t}\n\n} );\n\nfunction WebGLRenderTargetCube( width, height, options ) {\n\n\tconsole.warn( 'THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options ).' );\n\treturn new WebGLCubeRenderTarget( width, options );\n\n}\n\n//\n\nObject.defineProperties( WebGLRenderTarget.prototype, {\n\n\twrapS: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\treturn this.texture.wrapS;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\tthis.texture.wrapS = value;\n\n\t\t}\n\t},\n\twrapT: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\treturn this.texture.wrapT;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\tthis.texture.wrapT = value;\n\n\t\t}\n\t},\n\tmagFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\treturn this.texture.magFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\tthis.texture.magFilter = value;\n\n\t\t}\n\t},\n\tminFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\treturn this.texture.minFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\tthis.texture.minFilter = value;\n\n\t\t}\n\t},\n\tanisotropy: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\treturn this.texture.anisotropy;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\tthis.texture.anisotropy = value;\n\n\t\t}\n\t},\n\toffset: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\treturn this.texture.offset;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\tthis.texture.offset = value;\n\n\t\t}\n\t},\n\trepeat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\treturn this.texture.repeat;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\tthis.texture.repeat = value;\n\n\t\t}\n\t},\n\tformat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\treturn this.texture.format;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\tthis.texture.format = value;\n\n\t\t}\n\t},\n\ttype: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\treturn this.texture.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\tthis.texture.type = value;\n\n\t\t}\n\t},\n\tgenerateMipmaps: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\treturn this.texture.generateMipmaps;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\tthis.texture.generateMipmaps = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nAudio.prototype.load = function ( file ) {\n\n\tconsole.warn( 'THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.' );\n\tconst scope = this;\n\tconst audioLoader = new AudioLoader();\n\taudioLoader.load( file, function ( buffer ) {\n\n\t\tscope.setBuffer( buffer );\n\n\t} );\n\treturn this;\n\n};\n\n\nAudioAnalyser.prototype.getData = function () {\n\n\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\treturn this.getFrequencyData();\n\n};\n\n//\n\nCubeCamera.prototype.updateCubeMap = function ( renderer, scene ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .updateCubeMap() is now .update().' );\n\treturn this.update( renderer, scene );\n\n};\n\nCubeCamera.prototype.clear = function ( renderer, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .clear() is now .renderTarget.clear().' );\n\treturn this.renderTarget.clear( renderer, color, depth, stencil );\n\n};\n\nImageUtils.crossOrigin = undefined;\n\nImageUtils.loadTexture = function ( url, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\tconst loader = new TextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( url, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadTextureCube = function ( urls, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\tconst loader = new CubeTextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( urls, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadCompressedTexture = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\nImageUtils.loadCompressedTextureCube = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\n//\n\nfunction CanvasRenderer() {\n\n\tconsole.error( 'THREE.CanvasRenderer has been removed' );\n\n}\n\n//\n\nfunction JSONLoader() {\n\n\tconsole.error( 'THREE.JSONLoader has been removed.' );\n\n}\n\n//\n\nconst SceneUtils = {\n\n\tcreateMultiMaterialObject: function ( /* geometry, materials */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tdetach: function ( /* child, parent, scene */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tattach: function ( /* child, scene, parent */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t}\n\n};\n\n//\n\nfunction LensFlare() {\n\n\tconsole.error( 'THREE.LensFlare has been moved to /examples/jsm/objects/Lensflare.js' );\n\n}\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t/* eslint-disable no-undef */\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\t/* eslint-enable no-undef */\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\tconsole.warn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AlphaFormat, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightProbe, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, AxisHelper, BackSide, BasicDepthPacking, BasicShadowMap, BinaryTextureLoader, Bone, BooleanKeyframeTrack, BoundingBoxHelper, Box2, Box3, Box3Helper, BoxGeometry as BoxBufferGeometry, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasRenderer, CanvasTexture, CatmullRomCurve3, CineonToneMapping, CircleGeometry as CircleBufferGeometry, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, CompressedTexture, CompressedTextureLoader, ConeGeometry as ConeBufferGeometry, ConeGeometry, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubeUVRefractionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry as CylinderBufferGeometry, CylinderGeometry, Cylindrical, DataTexture, DataTexture2DArray, DataTexture3D, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry as DodecahedronBufferGeometry, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicBufferAttribute, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EdgesHelper, EllipseCurve, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry as ExtrudeBufferGeometry, ExtrudeGeometry, FaceColors, FileLoader, FlatShading, Float16BufferAttribute, Float32Attribute, Float32BufferAttribute, Float64Attribute, Float64BufferAttribute, FloatType, Fog, FogExp2, Font, FontLoader, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GammaEncoding, GreaterDepth, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, HemisphereLightProbe, IcosahedronGeometry as IcosahedronBufferGeometry, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, ImmediateRenderObject, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16Attribute, Int16BufferAttribute, Int32Attribute, Int32BufferAttribute, Int8Attribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, JSONLoader, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry as LatheBufferGeometry, LatheGeometry, Layers, LensFlare, LessDepth, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LinePieces, LineSegments, LineStrip, LinearEncoding, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearToneMapping, Loader, LoaderUtils, LoadingManager, LogLuvEncoding, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils as Math, MathUtils, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshFaceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiMaterial, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeverDepth, NeverStencilFunc, NoBlending, NoColors, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry as OctahedronBufferGeometry, OctahedronGeometry, OneFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, ParametricGeometry as ParametricBufferGeometry, ParametricGeometry, Particle, ParticleBasicMaterial, ParticleSystem, ParticleSystemMaterial, Path, PerspectiveCamera, Plane, PlaneGeometry as PlaneBufferGeometry, PlaneGeometry, PlaneHelper, PointCloud, PointCloudMaterial, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry as PolyhedronBufferGeometry, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDEncoding, RGBEEncoding, RGBEFormat, RGBFormat, RGBIntegerFormat, RGBM16Encoding, RGBM7Encoding, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry as RingBufferGeometry, RingGeometry, SRGB8_ALPHA8_ASTC_10x10_Format, SRGB8_ALPHA8_ASTC_10x5_Format, SRGB8_ALPHA8_ASTC_10x6_Format, SRGB8_ALPHA8_ASTC_10x8_Format, SRGB8_ALPHA8_ASTC_12x10_Format, SRGB8_ALPHA8_ASTC_12x12_Format, SRGB8_ALPHA8_ASTC_4x4_Format, SRGB8_ALPHA8_ASTC_5x4_Format, SRGB8_ALPHA8_ASTC_5x5_Format, SRGB8_ALPHA8_ASTC_6x5_Format, SRGB8_ALPHA8_ASTC_6x6_Format, SRGB8_ALPHA8_ASTC_8x5_Format, SRGB8_ALPHA8_ASTC_8x6_Format, SRGB8_ALPHA8_ASTC_8x8_Format, Scene, SceneUtils, ShaderChunk, ShaderLib, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry as ShapeBufferGeometry, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SmoothShading, Sphere, SphereGeometry as SphereBufferGeometry, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry as TetrahedronBufferGeometry, TetrahedronGeometry, TextGeometry as TextBufferGeometry, TextGeometry, Texture, TextureLoader, TorusGeometry as TorusBufferGeometry, TorusGeometry, TorusKnotGeometry as TorusKnotBufferGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry as TubeBufferGeometry, TubeGeometry, UVMapping, Uint16Attribute, Uint16BufferAttribute, Uint32Attribute, Uint32BufferAttribute, Uint8Attribute, Uint8BufferAttribute, Uint8ClampedAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShort565Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, Vertex, VertexColors, VideoTexture, WebGL1Renderer, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLMultisampleRenderTarget, WebGLRenderTarget, WebGLRenderTargetCube, WebGLRenderer, WebGLUtils, WireframeGeometry, WireframeHelper, WrapAroundEnding, XHRLoader, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, sRGBEncoding };\n", "import {\n\tEventDispatcher,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3\n} from 'three';\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n//    Orbit - left mouse / touch: one-finger move\n//    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n//    Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\n\nconst _changeEvent = { type: 'change' };\nconst _startEvent = { type: 'start' };\nconst _endEvent = { type: 'end' };\n\nclass OrbitControls extends EventDispatcher {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper();\n\n\t\tif ( domElement === undefined ) console.warn( 'THREE.OrbitControls: The second parameter \"domElement\" is now mandatory.' );\n\t\tif ( domElement === document ) console.error( 'THREE.OrbitControls: \"document\" should not be used as the target \"domElement\". Please use \"renderer.domElement\" instead.' );\n\n\t\tthis.object = object;\n\t\tthis.domElement = domElement;\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.05;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.panSpeed = 1.0;\n\t\tthis.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per orbit when fps is 60\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t// Touch fingers\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.getDistance = function () {\n\n\t\t\treturn this.object.position.distanceTo( this.target );\n\n\t\t};\n\n\t\tthis.listenToKeyEvents = function ( domElement ) {\n\n\t\t\tdomElement.addEventListener( 'keydown', onKeyDown );\n\t\t\tthis._domElementKeyEvents = domElement;\n\n\t\t};\n\n\t\tthis.saveState = function () {\n\n\t\t\tscope.target0.copy( scope.target );\n\t\t\tscope.position0.copy( scope.object.position );\n\t\t\tscope.zoom0 = scope.object.zoom;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tconst quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\t\tconst quatInverse = quat.clone().invert();\n\n\t\t\tconst lastPosition = new Vector3();\n\t\t\tconst lastQuaternion = new Quaternion();\n\n\t\t\tconst twoPI = 2 * Math.PI;\n\n\t\t\treturn function update() {\n\n\t\t\t\tconst position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tif ( scope.enableDamping ) {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta * scope.dampingFactor;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi * scope.dampingFactor;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t}\n\n\t\t\t\t// restrict theta to be between desired limits\n\n\t\t\t\tlet min = scope.minAzimuthAngle;\n\t\t\t\tlet max = scope.maxAzimuthAngle;\n\n\t\t\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\t\t\tif ( min < - Math.PI ) min += twoPI; else if ( min > Math.PI ) min -= twoPI;\n\n\t\t\t\t\tif ( max < - Math.PI ) max += twoPI; else if ( max > Math.PI ) max -= twoPI;\n\n\t\t\t\t\tif ( min <= max ) {\n\n\t\t\t\t\t\tspherical.theta = Math.max( min, Math.min( max, spherical.theta ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tspherical.theta = ( spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\t\t\tMath.max( min, spherical.theta ) :\n\t\t\t\t\t\t\tMath.min( max, spherical.theta );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tscope.target.addScaledVector( panOffset, scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\t}\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t\tpanOffset.multiplyScalar( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function () {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu );\n\n\t\t\tscope.domElement.removeEventListener( 'pointerdown', onPointerDown );\n\t\t\tscope.domElement.removeEventListener( 'pointercancel', onPointerCancel );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel );\n\n\t\t\tscope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t\tscope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\n\t\t\tif ( scope._domElementKeyEvents !== null ) {\n\n\t\t\t\tscope._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown );\n\n\t\t\t}\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tconst scope = this;\n\n\t\tconst STATE = {\n\t\t\tNONE: - 1,\n\t\t\tROTATE: 0,\n\t\t\tDOLLY: 1,\n\t\t\tPAN: 2,\n\t\t\tTOUCH_ROTATE: 3,\n\t\t\tTOUCH_PAN: 4,\n\t\t\tTOUCH_DOLLY_PAN: 5,\n\t\t\tTOUCH_DOLLY_ROTATE: 6\n\t\t};\n\n\t\tlet state = STATE.NONE;\n\n\t\tconst EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tconst spherical = new Spherical();\n\t\tconst sphericalDelta = new Spherical();\n\n\t\tlet scale = 1;\n\t\tconst panOffset = new Vector3();\n\t\tlet zoomChanged = false;\n\n\t\tconst rotateStart = new Vector2();\n\t\tconst rotateEnd = new Vector2();\n\t\tconst rotateDelta = new Vector2();\n\n\t\tconst panStart = new Vector2();\n\t\tconst panEnd = new Vector2();\n\t\tconst panDelta = new Vector2();\n\n\t\tconst dollyStart = new Vector2();\n\t\tconst dollyEnd = new Vector2();\n\t\tconst dollyDelta = new Vector2();\n\n\t\tconst pointers = [];\n\t\tconst pointerPositions = {};\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tconst panLeft = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tconst panUp = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tif ( scope.screenSpacePanning === true ) {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t\t\tv.crossVectors( scope.object.up, v );\n\n\t\t\t\t}\n\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tconst pan = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\treturn function pan( deltaX, deltaY ) {\n\n\t\t\t\tconst element = scope.domElement;\n\n\t\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tconst position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tlet targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseUp( /*event*/ ) {\n\n\t\t\t// no-op\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tswitch ( event.code ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\t\tevent.preventDefault();\n\n\t\t\t\tscope.update();\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\trotateStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\trotateStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartPan() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\tpanStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly() {\n\n\t\t\tconst dx = pointers[ 0 ].pageX - pointers[ 1 ].pageX;\n\t\t\tconst dy = pointers[ 0 ].pageY - pointers[ 1 ].pageY;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyPan() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enablePan ) handleTouchStartPan();\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyRotate() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enableRotate ) handleTouchStartRotate();\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\tif ( pointers.length == 1 ) {\n\n\t\t\t\trotateEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\trotateEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\tpanEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\tconst dx = event.pageX - position.x;\n\t\t\tconst dy = event.pageY - position.y;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );\n\n\t\t\tdollyOut( dollyDelta.y );\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyPan( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enablePan ) handleTouchMovePan( event );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyRotate( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enableRotate ) handleTouchMoveRotate( event );\n\n\t\t}\n\n\t\tfunction handleTouchEnd( /*event*/ ) {\n\n\t\t\t// no-op\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onPointerDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( pointers.length === 0 ) {\n\n\t\t\t\tscope.domElement.setPointerCapture( event.pointerId );\n\n\t\t\t\tscope.domElement.addEventListener( 'pointermove', onPointerMove );\n\t\t\t\tscope.domElement.addEventListener( 'pointerup', onPointerUp );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\taddPointer( event );\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchStart( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseDown( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchMove( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseMove( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerUp( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchEnd();\n\n\t\t\t} else {\n\n\t\t\t\tonMouseUp( event );\n\n\t\t\t}\n\n\t\t\tremovePointer( event );\n\n\t\t\t//\n\n\t\t\tif ( pointers.length === 0 ) {\n\n\t\t\t\tscope.domElement.releasePointerCapture( event.pointerId );\n\n\t\t\t\tscope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t\t\tscope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerCancel( event ) {\n\n\t\t\tremovePointer( event );\n\n\t\t}\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tlet mouseAction;\n\n\t\t\tswitch ( event.button ) {\n\n\t\t\t\tcase 0:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.LEFT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.MIDDLE;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.RIGHT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tmouseAction = - 1;\n\n\t\t\t}\n\n\t\t\tswitch ( mouseAction ) {\n\n\t\t\t\tcase MOUSE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.ROTATE:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.PAN:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseUp( event ) {\n\n\t\t\thandleMouseUp( event );\n\n\t\t\tscope.dispatchEvent( _endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( _endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( pointers.length ) {\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tswitch ( scope.touches.ONE ) {\n\n\t\t\t\t\t\tcase TOUCH.ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.PAN:\n\n\t\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tswitch ( scope.touches.TWO ) {\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_PAN:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.TOUCH_ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_PAN:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyPan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_ROTATE:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchEnd( event ) {\n\n\t\t\thandleTouchEnd( event );\n\n\t\t\tscope.dispatchEvent( _endEvent );\n\n\t\t\tstate = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\tfunction addPointer( event ) {\n\n\t\t\tpointers.push( event );\n\n\t\t}\n\n\t\tfunction removePointer( event ) {\n\n\t\t\tdelete pointerPositions[ event.pointerId ];\n\n\t\t\tfor ( let i = 0; i < pointers.length; i ++ ) {\n\n\t\t\t\tif ( pointers[ i ].pointerId == event.pointerId ) {\n\n\t\t\t\t\tpointers.splice( i, 1 );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction trackPointer( event ) {\n\n\t\t\tlet position = pointerPositions[ event.pointerId ];\n\n\t\t\tif ( position === undefined ) {\n\n\t\t\t\tposition = new Vector2();\n\t\t\t\tpointerPositions[ event.pointerId ] = position;\n\n\t\t\t}\n\n\t\t\tposition.set( event.pageX, event.pageY );\n\n\t\t}\n\n\t\tfunction getSecondPointerPosition( event ) {\n\n\t\t\tconst pointer = ( event.pointerId === pointers[ 0 ].pointerId ) ? pointers[ 1 ] : pointers[ 0 ];\n\n\t\t\treturn pointerPositions[ pointer.pointerId ];\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu );\n\n\t\tscope.domElement.addEventListener( 'pointerdown', onPointerDown );\n\t\tscope.domElement.addEventListener( 'pointercancel', onPointerCancel );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, { passive: false } );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t}\n\n}\n\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n// This is very similar to OrbitControls, another set of touch behavior\n//\n//    Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate\n//    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n//    Pan - left mouse, or arrow keys / touch: one-finger move\n\nclass MapControls extends OrbitControls {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up\n\n\t\tthis.mouseButtons.LEFT = MOUSE.PAN;\n\t\tthis.mouseButtons.RIGHT = MOUSE.ROTATE;\n\n\t\tthis.touches.ONE = TOUCH.PAN;\n\t\tthis.touches.TWO = TOUCH.DOLLY_ROTATE;\n\n\t}\n\n}\n\nexport { OrbitControls, MapControls };\n", "import type { Vector3 } from 'three';\n\nimport type { Coordinate3d, CoordinateXYZ } from './Coordinates';\n\nlet scaleFactor = 1.0;\n\n/**\n * Set the number of units per AU.\n */\nexport function setScaleFactor(val: number) {\n  scaleFactor = val;\n}\n\n/**\n * Get the number of units per AU.\n */\nexport function getScaleFactor(): number {\n  return scaleFactor;\n}\n\nexport function rescalePos(pos: CoordinateXYZ): CoordinateXYZ {\n  pos.x *= scaleFactor;\n  pos.y *= scaleFactor;\n  pos.z *= scaleFactor;\n  return pos;\n}\n\nexport function rescaleArray(XYZ: Coordinate3d): Coordinate3d {\n  return [XYZ[0] * scaleFactor, XYZ[1] * scaleFactor, XYZ[2] * scaleFactor];\n}\n\nexport function rescaleXYZ(X: number, Y: number, Z: number): Coordinate3d {\n  return [X * scaleFactor, Y * scaleFactor, Z * scaleFactor];\n}\n\nexport function rescaleVector(vec: Vector3): Vector3 {\n  return vec.multiplyScalar(scaleFactor);\n}\n\nexport function rescaleNumber(x: number): number {\n  return scaleFactor * x;\n}\n", "import * as THREE from 'three';\nimport { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';\nimport type { PerspectiveCamera } from 'three';\n\nimport { rescaleNumber, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { SimulationContext } from './Simulation';\nimport type { SpaceObject } from './SpaceObject';\n\n/**\n * A wrapper for Three.js camera and controls.\n * TODO(ian): Rename to \"Viewer\"\n */\nexport default class Camera {\n  private context: SimulationContext;\n\n  private camera: PerspectiveCamera;\n\n  private cameraControls: OrbitControls;\n\n  private followMesh?: THREE.Object3D;\n\n  /**\n   * @param {Object} context The simulation context\n   */\n  constructor(context: SimulationContext) {\n    // TODO(ian): Accept either context or container\n    this.context = context;\n\n    // Optional mesh that we are following.\n    this.followMesh = undefined;\n\n    const containerWidth = this.context.container.width;\n    const containerHeight = this.context.container.height;\n\n    const camera = new THREE.PerspectiveCamera(\n      50,\n      containerWidth / containerHeight,\n      rescaleNumber(0.00001),\n      rescaleNumber(2000),\n    );\n    this.camera = camera;\n\n    // Controls\n    // TODO(ian): Set maxDistance to prevent camera farplane cutoff.\n    // See https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/6\n\n    // TODO(ian): Access this better\n    const renderer = this.context.simulation.getRenderer();\n\n    const controls = new OrbitControls(this.camera, renderer.domElement);\n    controls.enableDamping = true;\n    controls.dampingFactor = 0.05;\n    controls.enablePan = true;\n    controls.zoomSpeed = 1.5;\n    controls.panSpeed = 2;\n    controls.rotateSpeed = 2;\n    controls.mouseButtons = {\n      LEFT: THREE.MOUSE.ROTATE,\n      MIDDLE: THREE.MOUSE.DOLLY,\n      RIGHT: THREE.MOUSE.PAN,\n    };\n    controls.touches = {\n      ONE: THREE.TOUCH.ROTATE,\n      TWO: THREE.TOUCH.DOLLY_ROTATE,\n    };\n    this.cameraControls = controls;\n  }\n\n  /**\n   * Move the camera to follow a SpaceObject as it moves. Currently only works\n   * for non-particlesystems.\n   * @param {SpaceObject} obj SpaceObject to follow.\n   * @param {Array.<Number>} position Position of the camera with respect to\n   * the object.\n   */\n  followObject(obj: SpaceObject, position: Coordinate3d) {\n    const followMesh = obj.get3jsObjects()[0];\n\n    this.cameraControls.enablePan = false;\n\n    const rescaled = rescaleArray(position);\n    this.camera.position.add(\n      new THREE.Vector3(rescaled[0], rescaled[1], rescaled[2]),\n    );\n\n    this.cameraControls.update();\n    this.followMesh = followMesh;\n  }\n\n  /**\n   * Stop the camera from following the object.\n   */\n  stopFollowingObject() {\n    if (this.followMesh) {\n      this.followMesh.remove(this.camera);\n      this.followMesh = undefined;\n      this.cameraControls.enablePan = true;\n    }\n  }\n\n  /**\n   * @returns {boolean} True if camera is following object.\n   */\n  isFollowingObject(): boolean {\n    return !!this.followMesh;\n  }\n\n  /**\n   * @returns {THREE.PerspectiveCamera} The THREE.js camera object.\n   */\n  get3jsCamera(): THREE.PerspectiveCamera {\n    return this.camera;\n  }\n\n  /**\n   * @returns {THREE.OrbitControls} The THREE.js CameraControls object.\n   */\n  get3jsCameraControls(): OrbitControls {\n    return this.cameraControls;\n  }\n\n  /**\n   * Update the camera position and process control inputs.\n   */\n  update() {\n    if (this.isFollowingObject()) {\n      const newpos = this.followMesh!.position.clone();\n\n      const offset = newpos.clone().sub(this.cameraControls.target);\n      this.camera.position.add(offset);\n\n      this.cameraControls.target.set(newpos.x, newpos.y, newpos.z);\n    }\n\n    // Handle control movements\n    this.cameraControls.update();\n\n    // Update camera matrix\n    this.camera.updateMatrixWorld();\n  }\n}\n", "export default class Units {\n  static rad(val: number): number {\n    return (val * Math.PI) / 180;\n  }\n\n  static deg(val: number): number {\n    return (val * 180) / Math.PI;\n  }\n\n  static hoursToDeg(val: number): number {\n    return val * 15.0;\n  }\n\n  static sexagesimalToDecimalRa(\n    raHour: number,\n    raMin: number,\n    raSec: number,\n  ): number {\n    // https://astronomy.stackexchange.com/questions/24518/convert-a-decimal-into-ra-or-dec\n    return raHour * 15.0 + raMin / 4.0 + raSec / 240.0;\n  }\n\n  static sexagesimalToDecimalDec(\n    decDeg: number,\n    decMin: number,\n    decSec: number,\n    isObserverBelowEquator: boolean = false,\n  ): number {\n    const posneg = isObserverBelowEquator ? -1 : 1;\n    return decDeg + decMin / 60.0 + (posneg * decSec) / 3600.0;\n  }\n\n  static valToSexagesimalRa(val: number): [number, number, number] {\n    const raHour = Math.trunc(val / 15.0);\n    const raMin = Math.trunc((val - raHour * 15.0) * 4.0);\n    const raSec = (val - raHour * 15.0 - raMin / 4.0) * 240.0;\n    return [raHour, raMin, raSec];\n  }\n\n  static decimalToSexagesimalDec(\n    val: number,\n    isObserverBelowEquator: boolean = false,\n  ) {\n    const posneg = isObserverBelowEquator ? -1 : 1;\n\n    const decDeg = Math.trunc(val);\n    const decMin = Math.trunc((val - posneg * decDeg) * 60.0 * posneg);\n    const decSec =\n      (val - posneg * decDeg - (posneg * decMin) / 60.0) * 3600.0 * posneg;\n    return [decDeg, decMin, decSec];\n  }\n\n  static kmToAu(km: number): number {\n    return km / 149597870.7;\n  }\n\n  static auToKm(au: number): number {\n    return au * 149597870.7;\n  }\n}\n", "import Units from './Units';\n\nexport type Coordinate3d = [number, number, number];\nexport type CoordinateXYZ = {\n  x: number;\n  y: number;\n  z: number;\n};\n\nconst J2000: number = 2451545.0;\n\nexport default class Coordinates {\n  static sphericalToCartesian(\n    ra: number,\n    dec: number,\n    dist: number,\n  ): Coordinate3d {\n    // See http://www.stargazing.net/kepler/rectang.html\n    return [\n      dist * Math.cos(ra) * Math.cos(dec),\n      dist * Math.sin(ra) * Math.cos(dec),\n      dist * Math.sin(dec),\n    ];\n  }\n\n  /**\n   * See https://en.wikipedia.org/wiki/Ecliptic_coordinate_system#Converting_Cartesian_vector\n   */\n  static equatorialToEcliptic_Cartesian(\n    x: number,\n    y: number,\n    z: number,\n    tilt: number,\n  ): Coordinate3d {\n    return [\n      x,\n      Math.cos(tilt) * y + Math.sin(tilt) * z,\n      -Math.sin(tilt) * y + Math.cos(tilt) * z,\n    ];\n  }\n\n  static eclipticToEquatorial_Cartesian(\n    x: number,\n    y: number,\n    z: number,\n    tilt: number,\n  ): Coordinate3d {\n    return [\n      x,\n      Math.cos(tilt) * y + -Math.sin(tilt) * z,\n      Math.sin(tilt) * y + Math.cos(tilt) * z,\n    ];\n  }\n\n  /**\n   * Get Earth's obliquity and nutation at a given date.\n   * @param {Number} jd JD date\n   * @return {Object} Object with attributes \"obliquity\" and \"nutation\" provided\n   * in radians\n   */\n  static getNutationAndObliquity(jd: number = J2000): {\n    nutation: number;\n    obliquity: number;\n  } {\n    const t = (jd - J2000) / 36525;\n    const omega = Units.rad(\n      125.04452 - 1934.136261 * t + 0.0020708 * t * t + (t * t + t) / 450000,\n    );\n    const Lsun = Units.rad(280.4665 + 36000.7698 * t);\n    const Lmoon = Units.rad(218.3165 + 481267.8813 * t);\n\n    const nutation =\n      (-17.2 / 3600) * Math.sin(omega) -\n      (-1.32 / 3600) * Math.sin(2 * Lsun) -\n      (0.23 / 3600) * Math.sin(2 * Lmoon) +\n      Units.deg((0.21 / 3600) * Math.sin(2 * omega));\n\n    const obliquity_zero =\n      23 +\n      26.0 / 60 +\n      21.448 / 3600 -\n      (46.815 / 3600) * t -\n      (0.00059 / 3600) * t * t +\n      (0.001813 / 3600) * t * t * t;\n    const obliquity_delta =\n      (9.2 / 3600) * Math.cos(omega) +\n      (0.57 / 3600) * Math.cos(2 * Lsun) +\n      (0.1 / 3600) * Math.cos(2 * Lmoon) -\n      (0.09 / 3600) * Math.cos(2 * omega);\n    const obliquity = obliquity_zero + obliquity_delta;\n\n    return {\n      nutation: Units.rad(nutation),\n      obliquity: Units.rad(obliquity),\n    };\n  }\n\n  /**\n   * Get Earth's obliquity at a given date.\n   * @param {Number} jd JD date\n   * @return {Number} Obliquity in radians\n   */\n  static getObliquity(jd: number = J2000): number {\n    return this.getNutationAndObliquity(jd).obliquity;\n  }\n}\n", "const METERS_IN_AU = 149597870700;\nconst SECONDS_IN_DAY = 86400;\n\ntype EphemAttribute =\n  | 'a'\n  | 'e'\n  | 'i'\n  | 'q'\n  | 'epoch'\n  | 'period'\n  | 'tp'\n  | 'ma'\n  | 'n'\n  | 'L'\n  | 'om'\n  | 'w'\n  | 'wBar'\n  | 'GM';\n\ninterface EphemAttributes {\n  a?: number;\n  e?: number;\n  i?: number;\n  q?: number;\n  epoch?: number;\n  period?: number;\n  tp?: number;\n\n  ma?: number;\n  n?: number;\n  L?: number;\n  om?: number;\n  w?: number;\n  wBar?: number;\n  GM?: number;\n}\n\n// TODO(ian): Allow multiple valid attrs for a single quantity and map them\n// internally to a single canonical attribute.\nconst EPHEM_VALID_ATTRS: Set<string> = new Set([\n  'a', // Semi-major axis\n  'e', // Eccentricity\n  'i', // Inclination\n  'q', // Perihelion distance\n\n  'epoch',\n  'period', // in days\n  'tp', // time of perihelion\n\n  'ma', // Mean anomaly\n  'n', // Mean motion\n  'L', // Mean longitude\n\n  'om', // Longitude of Ascending Node\n  'w', // Argument of Perihelion = Longitude of Perihelion - Longitude of Ascending Node\n  'wBar', // Longitude of Perihelion = Longitude of Ascending Node + Argument of Perihelion\n\n  'GM', // Gravitational constant of more massive body\n]);\n\n// Which of these are angular measurements.\nconst ANGLE_UNITS: Set<string> = new Set([\n  'i',\n  'ma',\n  'n',\n  'L',\n  'om',\n  'w',\n  'wBar',\n]);\n\n/**\n * Standard gravitational parameter for objects orbiting these bodies.\n * Units in m^3/s^2\n */\nexport const GM: {\n  SUN: number;\n  MERCURY: number;\n  VENUS: number;\n  EARTH_MOON: number;\n  MARS: number;\n  JUPITER: number;\n  SATURN: number;\n  URANUS: number;\n  NEPTUNE: number;\n  PLUTO_CHARON: number;\n} = {\n  // See https://space.stackexchange.com/questions/22948/where-to-find-the-best-values-for-standard-gravitational-parameters-of-solar-sys and https://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc\n  SUN: 1.3271244004193938e20,\n  MERCURY: 2.2031780000000021e13,\n  VENUS: 3.2485859200000006e14,\n  EARTH_MOON: 4.0350323550225981e14,\n  MARS: 4.2828375214000022e13,\n  JUPITER: 1.2671276480000021e17,\n  SATURN: 3.7940585200000003e16,\n  URANUS: 5.794548600000008e15,\n  NEPTUNE: 6.8365271005800236e15,\n  PLUTO_CHARON: 9.7700000000000068e11,\n};\n\n// Returns true if object is a number.\nfunction isDef(obj?: number) {\n  return typeof obj !== 'undefined' && Number.isFinite(obj);\n}\n\n/**\n * A class representing Kepler ephemerides.\n * @example\n * ```\n * const NEPTUNE = new Ephem({\n *   epoch: 2458426.500000000,\n *   a: 3.009622263428050E+01,\n *   e: 7.362571187193770E-03,\n *   i: 1.774569249829094E+00,\n *   om: 1.318695882492132E+02,\n *   w: 2.586226409499831E+02,\n *   ma: 3.152804988924479E+02,\n * }, 'deg'),\n * ```\n */\nexport class Ephem {\n  private attrs: EphemAttributes;\n\n  private locked: boolean;\n\n  /**\n   * @param {Object} initialValues A dictionary of initial values. Not all values\n   * are required as some may be inferred from others.\n   * @param {Number} initialValues.a Semimajor axis\n   * @param {Number} initialValues.e Eccentricity\n   * @param {Number} initialValues.i Inclination\n   * @param {Number} initialValues.epoch Epoch in JD\n   * @param {Number} initialValues.period Period in days\n   * @param {Number} initialValues.ma Mean anomaly\n   * @param {Number} initialValues.n Mean motion\n   * @param {Number} initialValues.L Mean longitude\n   * @param {Number} initialValues.om Longitude of Ascending Node\n   * @param {Number} initialValues.w Argument of Perihelion\n   * @param {Number} initialValues.wBar Longitude of Perihelion\n   * @param {GM} initialValues.GM Standard gravitational parameter in km^3/s^2.\n   * Defaults to GM.SUN.  @see {GM}\n   * @param {'deg'|'rad'} units The unit of angles in the list of initial values.\n   */\n  constructor(\n    initialValues: EphemAttributes,\n    units: 'rad' | 'deg' = 'rad',\n    locked: boolean = false,\n  ) {\n    this.attrs = {};\n    this.locked = false;\n\n    for (const attr in initialValues) {\n      if (initialValues.hasOwnProperty(attr)) {\n        const actualUnits = ANGLE_UNITS.has(attr) ? units : null;\n        this.set(\n          attr as EphemAttribute,\n          initialValues[attr as keyof EphemAttributes] as number,\n          actualUnits as 'rad' | 'deg',\n        );\n      }\n    }\n\n    if (typeof this.attrs.GM === 'undefined') {\n      this.attrs.GM = GM.SUN;\n    }\n    this.fill();\n\n    if (this.get('e') > 0.9 && typeof this.getUnsafe('tp') === 'undefined') {\n      console.warn(\n        'You must specify \"tp\" (time of perihelion) for highly eccentric orbits',\n      );\n    }\n\n    this.locked = locked;\n  }\n\n  /**\n   * Sets an ephemerides attribute.\n   * @param {String} attr The name of the attribute (e.g. 'a')\n   * @param {Number} val The value of the attribute (e.g. 0.5)\n   * @param {'deg'|'rad'} units The unit of angle provided, if applicable.\n   */\n  set(attr: EphemAttribute, val: number, units: 'deg' | 'rad' = 'rad') {\n    if (this.locked) {\n      throw new Error('Attempted to modify locked (immutable) Ephem object');\n    }\n\n    if (!EPHEM_VALID_ATTRS.has(attr)) {\n      console.warn(`Invalid ephem attr: ${attr}`);\n      return false;\n    }\n\n    // Store everything in radians.\n    // TODO(ian): Make sure value can't be set with bogus units.\n    if (units === 'deg') {\n      this.attrs[attr] = (val * Math.PI) / 180;\n    } else {\n      this.attrs[attr] = val;\n    }\n    return true;\n  }\n\n  /**\n   * Gets an ephemerides attribute, but may return undefined if it's not set.\n   * @param {String} attr The name of the attribute (e.g. 'a')\n   * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n   * input is ignored for values that are not angle measurements.\n   * @return {Number} Ephemeris attribute value, or undefined\n   */\n  getUnsafe(\n    attr: EphemAttribute,\n    units: 'deg' | 'rad' = 'rad',\n  ): number | undefined {\n    if (units === 'deg') {\n      const attrVal = this.attrs[attr];\n      if (typeof attrVal === 'undefined') {\n        return undefined;\n      }\n      return (attrVal * 180) / Math.PI;\n    }\n    return this.attrs[attr];\n  }\n\n  /**\n   * Gets an ephemerides attribute.\n   * @param {String} attr The name of the attribute (e.g. 'a')\n   * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n   * input is ignored for values that are not angle measurements.\n   * @return {Number} Ephemeris attribute value\n   */\n  get(attr: EphemAttribute, units: 'deg' | 'rad' = 'rad'): number {\n    const retVal = this.getUnsafe(attr, units);\n    if (typeof retVal === 'undefined') {\n      console.info(this.attrs);\n      throw new Error(\n        `Attempted to get ephemeris value '${attr}' but it was undefined`,\n      );\n    }\n    return retVal;\n  }\n\n  /**\n   * @private\n   * Infers values of some ephemerides attributes if the required information\n   * is available.\n   */\n  private fill() {\n    // Perihelion distance and semimajor axis\n    const e = this.getUnsafe('e');\n    if (!isDef(e)) {\n      console.info(this.attrs);\n      throw new Error('Must define eccentricity \"e\" in an orbit');\n    }\n\n    // Semimajor axis and perihelion distance\n    let a = this.getUnsafe('a');\n    let q = this.getUnsafe('q');\n    if (isDef(a)) {\n      if (!isDef(q)) {\n        if (e! >= 1.0) {\n          throw new Error(\n            'Must provide perihelion distance \"q\" if eccentricity \"e\" is greater than 1',\n          );\n        }\n        q = a! * (1.0 - e!);\n        this.set('q', q);\n      }\n    } else if (isDef(q)) {\n      a = q! / (1.0 - e!);\n      this.set('a', a);\n    } else {\n      throw new Error(\n        'Must define semimajor axis \"a\" or perihelion distance \"q\" in an orbit',\n      );\n    }\n\n    // Longitude/Argument of Perihelion and Long. of Ascending Node\n    let w = this.getUnsafe('w');\n    let wBar = this.getUnsafe('wBar');\n    let om = this.getUnsafe('om');\n    if (isDef(w) && isDef(om) && !isDef(wBar)) {\n      wBar = w! + om!;\n      this.set('wBar', wBar);\n    } else if (isDef(wBar) && isDef(om) && !isDef(w)) {\n      w = wBar! - om!;\n      this.set('w', w);\n    } else if (isDef(w) && isDef(wBar) && !isDef(om)) {\n      om = wBar! - w!;\n      this.set('om', om);\n    }\n\n    // Mean motion and period\n    const aMeters = a! * METERS_IN_AU;\n    const n = this.getUnsafe('n');\n    const GM = this.getUnsafe('GM');\n    let period = this.getUnsafe('period');\n\n    if (!isDef(period) && isDef(a)) {\n      if (!isDef(GM)) {\n        throw new Error('Expected ephemeris attribute GM to be set');\n      }\n      period =\n        (2 * Math.PI * Math.sqrt((aMeters * aMeters * aMeters) / GM!)) /\n        SECONDS_IN_DAY;\n      this.set('period', period);\n    }\n\n    if (e! < 1.0) {\n      // Only work with mean motion for elliptical orbits.\n      if (isDef(period) && !isDef(n)) {\n        // Set radians\n        const newN = (2.0 * Math.PI) / period!;\n        this.set('n', newN);\n      } else if (isDef(n) && !isDef(period)) {\n        this.set('period', (2.0 * Math.PI) / n!);\n      }\n    }\n\n    // Mean longitude\n    const ma = this.getUnsafe('ma');\n    let L = this.getUnsafe('L');\n    if (!isDef(L) && isDef(om) && isDef(w) && isDef(ma)) {\n      L = om! + w! + ma!;\n      this.set('L', L);\n    }\n\n    // Mean anomaly\n    if (!isDef(ma)) {\n      // MA = Mean longitude - Longitude of perihelion\n      this.set('ma', L! - wBar!);\n    }\n\n    //  TODO(ian): Handle no om\n  }\n\n  /**\n   * Make this ephem object immutable.\n   */\n  lock() {\n    this.locked = true;\n  }\n\n  copy(): Ephem {\n    return new Ephem(\n      {\n        GM: this.getUnsafe('GM'),\n        epoch: this.getUnsafe('epoch'),\n        a: this.getUnsafe('a'),\n        e: this.getUnsafe('e'),\n        i: this.getUnsafe('i'),\n        om: this.getUnsafe('om'),\n        ma: this.getUnsafe('ma'),\n        w: this.getUnsafe('w'),\n      },\n      'rad',\n    );\n  }\n}\n", "/**\n * Interpolates the given 2D array of data using a Lagrange Polynomial interpolation. User specifies first/last row\n * versus giving a number of sample points and a starting index. For best performance number of points generally would\n * be between 1 (linear) and 7\n *\n * @param {Array} data array\n * @param {Number} xValue value of x to evaluate for function y = f(x) represented by the data\n * @param {Number} sampleRowMin first row of data to use for the interpolation\n * @param {Number} sampleRowMax last row of data to use for the interpolation\n * @param {Number} xIndex the column of data which represents the 'x' variable of y = f(x)\n * @param {Number} yIndex the column of data which represents the 'y' curve data of y = f(x)\n * @returns {Number} the interpolated value of the function f(x) from the data\n */\nexport function interpolate(\n  data: number[][],\n  xValue: number,\n  sampleRowMin: number,\n  sampleRowMax: number,\n  xIndex: number,\n  yIndex: number,\n): number {\n  if (data === undefined) {\n    throw 'data object is undefined';\n  }\n\n  if (!Array.isArray(data)) {\n    throw 'data object must be an array';\n  }\n\n  if (sampleRowMin >= sampleRowMax) {\n    throw 'first row must be greater than last row';\n  }\n\n  if (sampleRowMin < 0) {\n    throw 'first row must be greater than zero';\n  }\n\n  if (sampleRowMax > data.length - 1) {\n    throw 'last row must be ';\n  }\n\n  if (!Array.isArray(data[sampleRowMin])) {\n    throw 'data in rows must be array data';\n  }\n\n  const maxColumn = data[0].length - 1;\n  if (xIndex < 0 || xIndex > maxColumn) {\n    throw `xIndex has to be between 0 and ${maxColumn}: ${xIndex}`;\n  }\n\n  if (yIndex < 0 || yIndex > maxColumn) {\n    throw `yIndex has to be between 0 and ${maxColumn}: ${yIndex}`;\n  }\n\n  let sum = 0;\n  for (let j = sampleRowMin; j <= sampleRowMax; j++) {\n    let prod = 1;\n    for (let k = sampleRowMin; k <= sampleRowMax; k++) {\n      if (k === j) {\n        continue;\n      }\n      prod *= (xValue - data[k][xIndex]) / (data[j][xIndex] - data[k][xIndex]);\n    }\n\n    sum += prod * data[j][yIndex];\n  }\n\n  return sum;\n}\n", "import * as THREE from 'three';\n\nconst DEFAULT_COMPARER_METHOD = (a: any, b: any) => {\n  return a - b;\n};\n/**\n * @ignore\n */\nexport const DEFAULT_TEXTURE_URL = '{{assets}}/sprites/fuzzyparticle.png';\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path\n * @example\n * ```\n * getFullUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullUrl(template: string, basePath: string) {\n  return template\n    .replace('{{assets}}', `${basePath}/assets`)\n    .replace('{{data}}', `${basePath}/data`);\n}\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n * @example\n * ```\n * getFullTextureUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullTextureUrl(template: string, basePath: string) {\n  return getFullUrl(template || DEFAULT_TEXTURE_URL, basePath);\n}\n\n/*\n * Returns a THREE.js texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n */\nexport function getThreeJsTexture(template: string, basePath: string) {\n  const fullTextureUrl = getFullTextureUrl(template, basePath);\n  return new THREE.TextureLoader().load(fullTextureUrl);\n}\n\nexport function getDefaultBasePath() {\n  return window.location.href.indexOf('localhost') > -1\n    ? '/src/'\n    : 'https://typpo.github.io/spacekit/src';\n}\n\n/**\n * Performs a standard binary search on an array of values returning the index of the found item or the twos complement\n * negative of the closest value if the exact value isn't found. For example for array: [10, 20, 30]\n *   * Searching for a value of 20 would return an index of 1\n *   * Searching for a value of 12 would return a value of -2 (taking the two's complement back '~' give you 1)\n * @param {Array} data an array of values of the type consistent with the comparer method\n * @param value the value to be searched for in the data array\n * @param {Function} [comparer] a function which takes two arguments: first of same type as data row and second as same\n * time as value to compare. Default method is a numerical comparison\n * @returns {number}\n */\nexport function binarySearch(\n  data: any[],\n  value: any,\n  comparer = DEFAULT_COMPARER_METHOD,\n) {\n  if (data === undefined) {\n    throw 'data object is undefined';\n  }\n\n  if (!Array.isArray(data)) {\n    throw 'data object must be an array';\n  }\n\n  if (value === undefined) {\n    throw 'value object must be defined';\n  }\n\n  if (comparer === undefined) {\n    throw 'comparer must be defined';\n  }\n\n  let left = 0;\n  let right = data.length;\n\n  while (left <= right) {\n    let middle = Math.floor((left + right) / 2);\n    if (middle === data.length) {\n      return middle;\n    }\n    let comparisonCalc = comparer(data[middle], value);\n    if (comparisonCalc < 0) {\n      left = middle + 1;\n    } else if (comparisonCalc > 0) {\n      right = middle - 1;\n    } else {\n      return middle;\n    }\n  }\n\n  return ~left;\n}\n", "import * as SpacekitMath from './Math';\nimport * as Util from './util';\n\nimport Units from './Units';\n\nimport type { Coordinate3d } from './Coordinates';\n\n/**\n * A class representing an ephemeris look-up table for defining a space object.\n */\n\n// Types\ntype InterpolationType = 'lagrange';\ntype EphemType = 'cartesianposvel';\ntype DistanceUnits = 'au' | 'km';\ntype TimeUnits = 'day' | 'sec';\n\ninterface EphemerisTableUnits {\n  distance: DistanceUnits;\n  time: TimeUnits;\n}\n\ninterface EphemerisTableData {\n  data: number[][];\n  // TODO(ian): Add the valid strings to typing.\n  ephemerisType: EphemType;\n  distanceUnits: DistanceUnits;\n  timeUnits: TimeUnits;\n  interpolationType: InterpolationType;\n  interpolationOrder: number;\n}\n\n// Constants\nconst MAX_INTERPOLATION_ORDER = 20;\nconst INCREASING_JDATE_SEARCH_METHOD = (a: number[], b: number) => a[0] - b;\n\n// Default Values\nconst DEFAULT_UNITS: EphemerisTableUnits = {\n  distance: 'au',\n  time: 'day',\n};\n\nconst DEFAULT_EPHEM_TYPE = 'cartesianposvel';\nconst DEFAULT_INTERPOLATION_TYPE = 'lagrange';\nconst DEFAULT_INTERPOLATION_ORDER = 5;\n\n// Allowable unit types\nconst DISTANCE_UNITS = new Set(['km', 'au']);\nconst EPHEM_TYPES = new Set(['cartesianposvel']);\nconst INTERPOLATION_TYPES = new Set(['lagrange']);\nconst TIME_UNITS = new Set(['day', 'sec']);\n\n/**\n * This class encapsulates the data and necessary methods for operating with look up ephemeris data.\n * Users of the class pass in their ephemeris data as a data structure with the data and the settings for the ephemeris.\n * The settings include things like the units, and the ephemeris representation. The ephemeris data itself is an array\n * of arrays where each line constitute the necessary components of the line.\n *\n * For 'cartesianposvel' style ephemeris each line of data looks like: [Julian Date, X, Y, Z, Vx, Vy, Vz]\n */\nexport class EphemerisTable {\n  private units: EphemerisTableUnits;\n\n  private ephemType: EphemType;\n\n  private interpolationType: InterpolationType;\n\n  private interpolationOrder: number;\n\n  private data: number[][];\n\n  /**\n   * @param {Object} ephemerisData Look up ephemeris data to initialize the table with and the properties of it\n   * @param {Array.<Array.<Number>>} ephemerisData.data the ephemeris data appropriate for the specified ephemeris type\n   * @param {String} ephemerisData.ephemerisType the type of ephemeres data here (defaults to 'cartesianposvel')\n   * @param {String} ephemerisData.distanceUnits the distance units for this data (defaults to AU\n   * @param {String} ephemerisData.timeUnits the distance units for this data (defaults to day)\n   * @param {String} ephemerisData.interpolationType the type of interpolater to use (defaults to 'lagrange')\n   * @param {Number} ephemerisData.interpolationOrder the order of the interpolator to use (defaults to 5)\n   */\n  constructor(ephemerisData: EphemerisTableData) {\n    this.units = JSON.parse(JSON.stringify(DEFAULT_UNITS));\n    this.ephemType = DEFAULT_EPHEM_TYPE;\n    this.interpolationType = DEFAULT_INTERPOLATION_TYPE;\n    this.interpolationOrder = DEFAULT_INTERPOLATION_ORDER;\n\n    if (!ephemerisData) {\n      throw new Error(\n        'EphemerisTable must be initialized with an ephemeris data structure',\n      );\n    }\n\n    if (\n      !ephemerisData.data ||\n      !Array.isArray(ephemerisData.data) ||\n      ephemerisData.data.length === 0 ||\n      !Array.isArray(ephemerisData.data[0])\n    ) {\n      throw new Error(\n        'EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data',\n      );\n    }\n    this.data = JSON.parse(JSON.stringify(ephemerisData.data));\n\n    if (ephemerisData.distanceUnits) {\n      if (!DISTANCE_UNITS.has(ephemerisData.distanceUnits)) {\n        throw new Error(\n          `Unknown distance units: ${ephemerisData.distanceUnits}`,\n        );\n      }\n      this.units.distance = ephemerisData.distanceUnits;\n    }\n\n    if (ephemerisData.timeUnits) {\n      if (!TIME_UNITS.has(ephemerisData.timeUnits)) {\n        throw new Error(`Unknown time units: ${ephemerisData.timeUnits}`);\n      }\n      this.units.time = ephemerisData.timeUnits;\n    }\n\n    if (ephemerisData.ephemerisType) {\n      if (!EPHEM_TYPES.has(ephemerisData.ephemerisType)) {\n        throw new Error(\n          `Unknown ephemeris type: ${ephemerisData.ephemerisType}`,\n        );\n      }\n      this.ephemType = ephemerisData.ephemerisType;\n    }\n\n    if (ephemerisData.interpolationType) {\n      if (!INTERPOLATION_TYPES.has(ephemerisData.interpolationType)) {\n        throw new Error(\n          `Unknown interpolation type: ${ephemerisData.interpolationType}`,\n        );\n      }\n      this.interpolationType = ephemerisData.interpolationType;\n    }\n\n    if (ephemerisData.interpolationOrder !== undefined) {\n      if (\n        ephemerisData.interpolationOrder < 1 ||\n        ephemerisData.interpolationOrder > MAX_INTERPOLATION_ORDER\n      ) {\n        throw new Error(\n          `Interpolation order must be >0 and <${MAX_INTERPOLATION_ORDER}: ${ephemerisData.interpolationOrder}`,\n        );\n      }\n      this.interpolationOrder = ephemerisData.interpolationOrder;\n    }\n\n    if (\n      this.units.distance !== DEFAULT_UNITS.distance ||\n      this.units.time !== DEFAULT_UNITS.time\n    ) {\n      const distanceMultiplier = this.calcDistanceMultiplier(\n        this.units.distance,\n      );\n      const timeMultiplier = this.calcTimeMultiplier(this.units.time);\n      this.data.forEach((line) => {\n        line[1] *= distanceMultiplier;\n        line[2] *= distanceMultiplier;\n        line[3] *= distanceMultiplier;\n        line[4] *= distanceMultiplier * timeMultiplier;\n        line[5] *= distanceMultiplier * timeMultiplier;\n        line[6] *= distanceMultiplier * timeMultiplier;\n      });\n    }\n  }\n\n  /**\n   * Calculates the interpolated position for the given requested date. If the requested date is before the first\n   * point it returns the first point. If the requested date is after the last point it returns the last point.\n   * @param {Number} jd of the requested time\n   * @returns {Number[]|*[]} x, y, z position in the ephemeris table's reference frame\n   */\n  getPositionAtTime(jd: number): Coordinate3d {\n    if (jd <= this.data[0][0]) {\n      return [this.data[0][1], this.data[0][2], this.data[0][3]];\n    }\n\n    const last = this.data[this.data.length - 1];\n    if (jd >= last[0]) {\n      return [last[1], last[2], last[3]];\n    }\n\n    const { startIndex, stopIndex } = this.calcBoundingIndices(jd);\n    const x = SpacekitMath.interpolate(\n      this.data,\n      jd,\n      startIndex,\n      stopIndex,\n      0,\n      1,\n    );\n    const y = SpacekitMath.interpolate(\n      this.data,\n      jd,\n      startIndex,\n      stopIndex,\n      0,\n      2,\n    );\n    const z = SpacekitMath.interpolate(\n      this.data,\n      jd,\n      startIndex,\n      stopIndex,\n      0,\n      3,\n    );\n\n    return [x, y, z];\n  }\n\n  /**\n   * Given the start and stop time returns a uniform ephemeris history.\n   * @param {Number} startJd the requested start date\n   * @param {Number} stopJd the requested stop date\n   * @param {Number} stepDays the step size of the data requested in days (can be fractional days)\n   * @returns {number[][]}\n   */\n  getPositions(\n    startJd: number,\n    stopJd: number,\n    stepDays: number,\n  ): Coordinate3d[] {\n    if (startJd > stopJd) {\n      throw new Error(`Requested start needs to be after requested stop`);\n    }\n\n    if (stepDays <= 0.0) {\n      throw new Error('Step days needs to be greater than zero');\n    }\n\n    const result: Coordinate3d[] = [];\n    for (let t = startJd; t <= stopJd; t += stepDays) {\n      result.push(this.getPositionAtTime(t));\n    }\n\n    return result;\n  }\n\n  /**\n   * @private\n   */\n  private calcDistanceMultiplier(unitType: DistanceUnits): number {\n    switch (unitType) {\n      case 'au':\n        return 1.0;\n      case 'km':\n        return Units.kmToAu(1);\n      default:\n        throw new Error('Unknown distance unit type: ' + unitType);\n    }\n  }\n\n  /**\n   * @private\n   */\n  private calcTimeMultiplier(unitType: TimeUnits): number {\n    switch (unitType) {\n      case 'day':\n        return 1.0;\n      case 'sec':\n        return 1 / 86400.0;\n      default:\n        throw new Error('Unknown time unit type: ' + unitType);\n    }\n  }\n\n  /**\n   * @private\n   */\n  private calcBoundingIndices(jd: number): {\n    startIndex: number;\n    stopIndex: number;\n  } {\n    const halfSampleSize = Math.floor(this.interpolationOrder / 2);\n    let closestIndex = Util.binarySearch(\n      this.data,\n      jd,\n      INCREASING_JDATE_SEARCH_METHOD,\n    );\n    if (closestIndex < 0) {\n      closestIndex = ~closestIndex - 1;\n    }\n    let startIndex = closestIndex - halfSampleSize;\n    if (startIndex < 0) {\n      startIndex = 0;\n    }\n\n    let stopIndex = startIndex + Number(this.interpolationOrder);\n    if (stopIndex >= this.data.length) {\n      stopIndex = this.data.length - 1;\n      if (this.data.length > halfSampleSize) {\n        startIndex = stopIndex - halfSampleSize;\n      }\n    }\n\n    return { startIndex: startIndex, stopIndex: stopIndex };\n  }\n}\n", "import Units from './Units';\nimport { Ephem, GM } from './Ephem';\nimport { getFullUrl } from './util';\n\nimport type { Simulation, SimulationContext } from './Simulation';\n\n/**\n * A dictionary containing ephemerides of planets and other well-known objects.\n * @example\n * ```\n * const planet1 = viz.createObject('planet1', {\n *   ephem: EphemPresets.MERCURY,\n * });\n * ```\n */\nexport const EphemPresets: {\n  MERCURY: Ephem;\n  VENUS: Ephem;\n  EARTH: Ephem;\n  MOON: Ephem;\n  MARS: Ephem;\n  JUPITER: Ephem;\n  SATURN: Ephem;\n  URANUS: Ephem;\n  NEPTUNE: Ephem;\n  PLUTO: Ephem;\n} = {\n  // See https://ssd.jpl.nasa.gov/?planet_pos and https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n  MERCURY: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 3.870968969437096e-1,\n      e: 2.056515875393916e-1,\n      i: 7.003891682749818,\n      om: 4.830774804443502e1,\n      w: 2.917940253442659e1,\n      ma: 2.56190975209273e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  VENUS: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 7.233458663591554e-1,\n      e: 6.762510759617694e-3,\n      i: 3.394567787211735,\n      om: 7.662534150657346e1,\n      w: 5.474567447560867e1,\n      ma: 2.756687596099721e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  EARTH: new Ephem(\n    {\n      // Taken from https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html\n      /*\n    epoch: 2451545.0,\n    a: 1.00000011,\n    e: 0.01671022,\n    i: 0.00005,\n    om: -11.26064,\n    wBar: 102.94719,\n    L: 100.46435,\n    */\n\n      // https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n      epoch: 2451545.0,\n      a: 1.00000261,\n      e: 0.01671123,\n      i: -0.00001531,\n      om: 0.0,\n      wBar: 102.93768193,\n      L: 100.46457166,\n\n      /*\n      epoch: 2458426.500000000,\n      a: 1.000618919441359E+00,\n      e: 1.676780871638673E-02,\n      i: 0,\n      om: 1.888900932218542E+02,\n      w: 2.718307282052625E+02,\n      ma: 3.021792498388233E+02,\n     */\n    },\n    'deg',\n    true /* locked */,\n  ),\n  MOON: new Ephem(\n    {\n      // https://nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html\n      GM: 0.3986e6,\n\n      // Geocentric\n      // https://ssd.jpl.nasa.gov/horizons.cgi#results\n      epoch: 2458621.5,\n      a: 2.582517063772124e-3,\n      e: 4.582543645168888e-2,\n      i: 5.102060246928811,\n      om: 1.085916732144811e2,\n      w: 6.180561793729225e1,\n      ma: 5.053270083636792e1,\n      /*\n     * heliocentric\n    epoch: 2458621.500000000,\n    a: 1.078855621785179E+00,\n    e: 6.333300212090676E-02,\n    i: 7.211217382317713E-02,\n    om: 6.722057157026397E+01,\n    w: 1.503642883585293E+02,\n    ma: 1.666758688084831E+01,\n   */\n    },\n    'deg',\n    true /* locked */,\n  ),\n  MARS: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 1.52371401537107,\n      e: 9.336741335309606e-2,\n      i: 1.848141099825311,\n      om: 4.950420572080223e1,\n      w: 2.866965847685386e2,\n      ma: 2.538237617924876e1,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  JUPITER: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 5.20180355911023,\n      e: 4.89912558249006e-2,\n      i: 1.303560894624275,\n      om: 1.005203828847816e2,\n      w: 2.73736301845404e2,\n      ma: 2.31939544389401e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  SATURN: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 9.577177295536776,\n      e: 5.101889921719987e-2,\n      i: 2.482782449972317,\n      om: 1.136154964073247e2,\n      w: 3.394422648650336e2,\n      ma: 1.870970898012944e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  URANUS: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 1.914496966635462e1,\n      e: 4.832662948112808e-2,\n      i: 7.697511134483724e-1,\n      om: 7.414239045667875e1,\n      w: 9.942704504702185e1,\n      ma: 2.202603033874267e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  NEPTUNE: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 3.00962226342805e1,\n      e: 7.36257118719377e-3,\n      i: 1.774569249829094,\n      om: 1.318695882492132e2,\n      w: 2.586226409499831e2,\n      ma: 3.152804988924479e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  PLUTO: new Ephem(\n    {\n      epoch: 2454000.5,\n      a: 39.4450697257,\n      e: 0.250248713478,\n      i: 17.0890009196,\n      om: 110.376957955,\n      w: 112.597141677,\n      ma: 25.2471897122,\n    },\n    'deg',\n    true /* locked */,\n  ),\n};\n\ninterface NaturalSatelliteRecord {\n  Planet: string;\n  'Epoch String': string;\n  'Epoch JD': number;\n  'Element Type': string;\n  'Sat.': string;\n  tags: string;\n  a: number | string;\n  e: number | string;\n  w: number | string;\n  M: number | string;\n  i: number | string;\n  node: number | string;\n  n: number | string;\n  P: number | string;\n  Pw: number | string;\n  Pnode: number | string;\n  RA: number | string;\n  Dec: number | string | null;\n  Tilt: number | string | null;\n  Ref: string;\n}\n\n/**\n * A class for fetching orbital elements of natural satellites in our solar\n * system.\n */\nexport class NaturalSatellites {\n  private _simulation: Simulation;\n\n  private _context: SimulationContext;\n\n  private _satellitesByPlanet: Record<\n    string,\n    {\n      name: string;\n      elementType: string;\n      tags: Set<string>;\n      ephem: Ephem;\n    }[]\n  >;\n\n  private _readyPromise: Promise<NaturalSatellites>;\n\n  constructor(simulation: Simulation) {\n    this._simulation = simulation;\n    this._context = simulation.getContext();\n\n    this._satellitesByPlanet = {};\n    const dataUrl = getFullUrl(\n      '{{data}}/processed/natural-satellites.json',\n      this._context.options.basePath,\n    );\n\n    this._readyPromise = new Promise((resolve, reject) => {\n      fetch(dataUrl)\n        .then((resp) => resp.json())\n        .then((moons) => {\n          moons.forEach((moon: NaturalSatelliteRecord) => {\n            const planetName = moon.Planet.toLowerCase();\n            if (!this._satellitesByPlanet[planetName]) {\n              this._satellitesByPlanet[planetName] = [];\n            }\n\n            let ephemType;\n            switch (moon['Element Type']) {\n              case 'Ecliptic':\n                // Don't have to do anything\n                break;\n              case 'Equatorial':\n                // TODO(ian): Convert equatorial coords\n                ephemType = 'equatorial';\n                /*\n                throw new Error(\n                  `Ephemeris type not yet implemented: ${ephemType}`,\n                );\n                 */\n                break;\n              case 'Laplace':\n                // TODO(ian): Convert laplace coords\n                ephemType = 'equatorial';\n                /*\n                throw new Error(\n                  `Ephemeris type not yet implemented: ${ephemType}`,\n                );\n                 */\n                break;\n              default:\n                console.warn(\n                  `Ephemeris type not yet implemented: ${ephemType}`,\n                );\n                return;\n            }\n\n            let ephemGM;\n            switch (moon.Planet) {\n              case 'Earth':\n                ephemGM = GM.EARTH_MOON;\n                break;\n              case 'Pluto':\n                ephemGM = GM.PLUTO_CHARON;\n                break;\n              default:\n                ephemGM = GM[moon.Planet.toUpperCase() as keyof typeof GM];\n            }\n            if (!ephemGM) {\n              console.error(`Could not look up GM for ${moon.Planet}`);\n            }\n\n            const ephem = new Ephem(\n              {\n                GM: ephemGM,\n                epoch: Number(moon['Epoch JD']),\n                a: Units.kmToAu(Number(moon.a)),\n                e: Number(moon.e),\n                i: Number(moon.i),\n                w: Number(moon.w),\n                om: Number(moon.node),\n                ma: Number(moon.M),\n              },\n              'deg',\n              true /* locked */,\n            );\n\n            this._satellitesByPlanet[planetName].push({\n              name: moon['Sat.'],\n              elementType: moon['Element Type'],\n              tags: new Set(moon['tags'].split(',')),\n              ephem,\n            });\n          });\n          console.info('Loaded', moons.length, 'natural satellites');\n          resolve(this);\n        })\n        .catch((err) => {\n          reject(err);\n        });\n    });\n  }\n\n  /**\n   * Get a list of satellites and their orbital elements for a given planet.\n   * @param {String} planetName Name of a planet, e.g. \"Jupiter\"\n   * @return {Object} List containing a list of dictionaries with information\n   * on each satellite.\n   */\n  getSatellitesForPlanet(planetName: string) {\n    return this._satellitesByPlanet[planetName.toLowerCase()];\n  }\n\n  load(): Promise<NaturalSatellites> {\n    return this._readyPromise;\n  }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\n\nimport { Ephem } from './Ephem';\nimport { EphemerisTable } from './EphemerisTable';\nimport { rescaleArray, rescaleXYZ } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\nimport type { LineBasicMaterial } from 'three';\n\nexport enum OrbitType {\n  UNKNOWN = 0,\n  PARABOLIC = 1,\n  HYPERBOLIC = 2,\n  ELLIPTICAL = 3,\n  TABLE = 4,\n}\n\ninterface OrbitOptions {\n  color?: number;\n  eclipticLineColor?: number;\n  orbitPathSettings?: {\n    leadDurationYears?: number;\n    trailDurationYears?: number;\n    numberSamplePoints?: number;\n  };\n}\n\nconst { sin, cos, sqrt } = Math;\n\nconst DEFAULT_LEAD_TRAIL_YEARS = 10;\nconst DEFAULT_SAMPLE_POINTS = 360;\nconst DEFAULT_ORBIT_PATH_SETTINGS = {\n  leadDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n  trailDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n  numberSamplePoints: DEFAULT_SAMPLE_POINTS,\n};\n\n/**\n * Special cube root function that assumes input is always positive.\n */\nfunction cbrt(x: number) {\n  return Math.exp(Math.log(x) / 3.0);\n}\n\n/**\n * A class that builds a visual representation of a Kepler orbit.\n * @example\n * ```\n * const orbit = new Spacekit.Orbit({\n *   ephem: new Spacekit.Ephem({...}),\n *   options: {\n *     color: 0xFFFFFF,\n *     eclipticLineColor: 0xCCCCCC,\n *   },\n * });\n * ```\n */\nexport class Orbit {\n  private ephem: Ephem | EphemerisTable;\n\n  private options: OrbitOptions;\n\n  private orbitPoints?: THREE.Vector3[];\n\n  private eclipticDropLines?: THREE.LineSegments;\n\n  private orbitShape?: THREE.Line;\n\n  private orbitStart: number;\n\n  private orbitStop: number;\n\n  private orbitType: OrbitType;\n\n  /**\n   * @param {(Ephem | EphemerisTable)} ephem The ephemeris that define this orbit.\n   * @param {Object} options\n   * @param {Number} options.color The color of the orbital ellipse.\n   * @param {Number} options.eclipticLineColor The color of lines drawn\n   * @param {Object} options.orbitPathSettings settings for the path\n   * @param {Number} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n   * @param {Number} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n   * @param {Number} options.orbitPathSettings.numberSamplePoints number of\n   * points to use when drawing the orbit line. Only applicable for\n   * non-elliptical and ephemeris table orbits.  perpendicular to the ecliptic\n   * in order to illustrate depth (defaults to 0x333333).\n   */\n  constructor(ephem: Ephem | EphemerisTable, options: OrbitOptions) {\n    /**\n     * Ephem object\n     * @type {(Ephem | EphemerisTable)}\n     */\n    this.ephem = ephem;\n\n    /**\n     * Options (see class definition for details)\n     */\n    this.options = options || {};\n\n    /**\n     * configuring orbit path lead/trail data\n     */\n    if (!this.options.orbitPathSettings) {\n      this.options.orbitPathSettings = JSON.parse(\n        JSON.stringify(DEFAULT_ORBIT_PATH_SETTINGS),\n      );\n    }\n\n    if (!this.options.orbitPathSettings?.leadDurationYears) {\n      this.options.orbitPathSettings!.leadDurationYears =\n        DEFAULT_LEAD_TRAIL_YEARS;\n    }\n\n    if (!this.options.orbitPathSettings?.trailDurationYears) {\n      this.options.orbitPathSettings!.trailDurationYears =\n        DEFAULT_LEAD_TRAIL_YEARS;\n    }\n\n    if (!this.options.orbitPathSettings?.numberSamplePoints) {\n      this.options.orbitPathSettings!.numberSamplePoints =\n        DEFAULT_SAMPLE_POINTS;\n    }\n\n    /**\n     * Cached orbital points.\n     * @type {Array.<THREE.BufferGeometry>}\n     */\n    this.orbitPoints = undefined;\n\n    /**\n     * Cached ecliptic drop lines.\n     * @type {Array.<THREE.LineSegments>}\n     */\n    this.eclipticDropLines = undefined;\n\n    /**\n     * Cached orbit shape.\n     * @type {THREE.Line}\n     */\n    this.orbitShape = undefined;\n\n    /**\n     * Time span of the drawn orbit line\n     */\n    this.orbitStart = 0;\n    this.orbitStop = 0;\n\n    /**\n     * Orbit type\n     * @type {OrbitType}\n     */\n    this.orbitType = Orbit.getOrbitType(this.ephem);\n  }\n\n  /**\n   * Get heliocentric position of object at a given JD.\n   * @param {Number} jd Date value in JD.\n   * @param {boolean} debug Set true for debug output.\n   * @return {Array.<Number>} [X, Y, Z] coordinates\n   */\n  getPositionAtTime(jd: number, debug: boolean = false): Coordinate3d {\n    // Note: logic below must match the vertex shader.\n\n    // This position calculation is used to create orbital ellipses.\n    switch (this.orbitType) {\n      case OrbitType.PARABOLIC:\n        return this.getPositionAtTimeNearParabolic(jd, debug);\n      case OrbitType.HYPERBOLIC:\n        return this.getPositionAtTimeHyperbolic(jd, debug);\n      case OrbitType.ELLIPTICAL:\n        return this.getPositionAtTimeElliptical(jd, debug);\n      case OrbitType.TABLE:\n        return this.getPositionAtTimeTable(jd, debug);\n      default:\n        throw new Error('No handler for this type of orbit');\n    }\n  }\n\n  getPositionAtTimeParabolic(jd: number, debug: boolean = false): Coordinate3d {\n    // See https://stjarnhimlen.se/comp/ppcomp.html#17\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // The Guassian gravitational constant\n    const k = 0.01720209895;\n\n    // Perihelion distance\n    const q = eph.get('q');\n\n    // Compute time since perihelion\n    const d = jd - eph.get('tp');\n\n    const H = (d * (k / sqrt(2))) / sqrt(q * q * q);\n    const h = 1.5 * H;\n    const g = sqrt(1.0 + h * h);\n    const s = cbrt(g + h) - cbrt(g - h);\n\n    // True anomaly\n    const v = 2.0 * Math.atan(s);\n    // Heliocentric distance\n    const r = q * (1.0 + s * s);\n\n    return this.vectorToHeliocentric(v, r);\n  }\n\n  getPositionAtTimeNearParabolic(\n    jd: number,\n    debug: boolean = false,\n  ): Coordinate3d {\n    // See https://stjarnhimlen.se/comp/ppcomp.html#17\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // The Guassian gravitational constant\n    const k = 0.01720209895;\n\n    // Eccentricity\n    const e = eph.get('e');\n\n    // Perihelion distance\n    const q = eph.get('q');\n\n    // Compute time since perihelion\n    const d = jd - eph.get('tp');\n\n    const a = 0.75 * d * k * sqrt((1 + e) / (q * q * q));\n    const b = sqrt(1 + a * a);\n    const W = cbrt(b + a) - cbrt(b - a);\n    const f = (1 - e) / (1 + e);\n\n    const a1 = 2 / 3 + (2 / 5) * W * W;\n    const a2 = 7 / 5 + (33 / 35) * W * W + (37 / 175) * W ** 4;\n    const a3 =\n      W * W * (432 / 175 + (956 / 1125) * W * W + (84 / 1575) * W ** 4);\n\n    const C = (W * W) / (1 + W * W);\n    const g = f * C * C;\n    const w = W * (1 + f * C * (a1 + a2 * g + a3 * g * g));\n\n    // True anomaly\n    const v = 2 * Math.atan(w);\n    // Heliocentric distance\n    const r = (q * (1 + w * w)) / (1 + w * w * f);\n\n    return this.vectorToHeliocentric(v, r);\n  }\n\n  getPositionAtTimeHyperbolic(\n    jd: number,\n    debug: boolean = false,\n  ): Coordinate3d {\n    // See https://stjarnhimlen.se/comp/ppcomp.html#17\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // Eccentricity\n    const e = eph.get('e');\n\n    // Semimajor axis\n    const a = eph.get('a');\n\n    // Mean anomaly\n    const ma = eph.get('ma');\n\n    // Calculate mean anomaly at jd\n    const n = eph.get('n', 'rad');\n    const epoch = eph.get('epoch');\n    const d = jd - epoch;\n\n    const M = ma + n * d;\n\n    let F0 = M;\n    for (let count = 0; count < 100; count++) {\n      const F1 =\n        (M + e * (F0 * Math.cosh(F0) - Math.sinh(F0))) /\n        (e * Math.cosh(F0) - 1);\n      const lastdiff = Math.abs(F1 - F0);\n      F0 = F1;\n\n      if (lastdiff < 0.0000001) {\n        break;\n      }\n    }\n    const F = F0;\n\n    const v = 2 * Math.atan(sqrt((e + 1) / (e - 1))) * Math.tanh(F / 2);\n    const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n    return this.vectorToHeliocentric(v, r);\n  }\n\n  getPositionAtTimeElliptical(\n    jd: number,\n    debug: boolean = false,\n  ): Coordinate3d {\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // Eccentricity\n    const e = eph.get('e');\n\n    // Mean anomaly\n    const ma = eph.get('ma', 'rad');\n\n    // Calculate mean anomaly at jd\n    const n = eph.get('n', 'rad');\n    const epoch = eph.get('epoch');\n    const d = jd - epoch;\n\n    const M = ma + n * d;\n    if (debug) {\n      console.info('period=', eph.get('period'));\n      console.info('n=', n);\n      console.info('ma=', ma);\n      console.info('d=', d);\n      console.info('M=', M);\n    }\n\n    // Estimate eccentric and true anom using iterative approx\n    let E0 = M;\n    for (let count = 0; count < 100; count++) {\n      const E1 = M + e * sin(E0);\n      const lastdiff = Math.abs(E1 - E0);\n      E0 = E1;\n\n      if (lastdiff < 0.0000001) {\n        break;\n      }\n    }\n    const E = E0;\n    const v = 2 * Math.atan(sqrt((1 + e) / (1 - e)) * Math.tan(E / 2));\n\n    // Radius vector, in AU\n    const a = eph.get('a');\n    const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n    return this.vectorToHeliocentric(v, r);\n  }\n\n  getPositionAtTimeTable(jd: number, debug: boolean = false): Coordinate3d {\n    if (this.ephem instanceof EphemerisTable) {\n      const point = this.ephem.getPositionAtTime(jd);\n      return rescaleXYZ(point[0], point[1], point[2]);\n    }\n    throw new Error('Attempted to read ephemeris table of non-table data');\n  }\n\n  /**\n   * Given true anomaly and heliocentric distance, returns the scaled heliocentric coordinates (X, Y, Z)\n   * @param {Number} v True anomaly\n   * @param {Number} r Heliocentric distance\n   * @return {Array.<Number>} Heliocentric coordinates\n   */\n  vectorToHeliocentric(v: number, r: number): Coordinate3d {\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // Inclination, Longitude of ascending node, Longitude of perihelion\n    const i = eph.get('i', 'rad');\n    const o = eph.get('om', 'rad');\n    const p = eph.get('wBar', 'rad');\n\n    // Heliocentric coords\n    const X = r * (cos(o) * cos(v + p - o) - sin(o) * sin(v + p - o) * cos(i));\n    const Y = r * (sin(o) * cos(v + p - o) + cos(o) * sin(v + p - o) * cos(i));\n    const Z = r * (sin(v + p - o) * sin(i));\n\n    return rescaleXYZ(X, Y, Z);\n  }\n\n  /**\n   * Returns whether the requested epoch is within the current orbit's\n   * definition. Used only for ephemeris tables.\n   * @param {Number} jd\n   * @return {boolean} true if it is within the orbit span, false if not\n   */\n  needsUpdateForTime(jd: number): boolean {\n    if (this.orbitType === OrbitType.TABLE) {\n      return jd < this.orbitStart || jd > this.orbitStop;\n    }\n    // Renderings for other types are static.\n    return false;\n  }\n\n  /**\n   * Calculates, caches, and returns the orbit state for this orbit around this time\n   * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris)\n   * @param {boolean} forceCompute forces the recomputing of the orbit on this call\n   * @return {THREE.Line}\n   */\n  getOrbitShape(jd?: number, forceCompute = false): THREE.Line {\n    if (forceCompute) {\n      if (this.orbitShape) {\n        this.orbitShape.geometry.dispose();\n        (this.orbitShape.material as LineBasicMaterial).dispose();\n      }\n\n      this.orbitShape = undefined;\n      this.orbitPoints = undefined;\n\n      if (this.eclipticDropLines) {\n        this.eclipticDropLines.geometry.dispose();\n        (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n      }\n      this.eclipticDropLines = undefined;\n    }\n\n    if (this.orbitShape) {\n      // Orbit shape is already computed.\n      return this.orbitShape;\n    }\n\n    if (this.orbitType === OrbitType.ELLIPTICAL) {\n      return this.getEllipse();\n    }\n\n    // Decide on a time range to draw orbits.\n    // TODO(ian): Should we compute around current position, not time of perihelion?\n    let tp;\n    if (this.ephem instanceof EphemerisTable) {\n      tp = jd;\n    } else {\n      tp = this.ephem.getUnsafe('tp');\n    }\n    // Use current date as a fallback if time of perihelion is not available.\n    const centerDate = tp ? tp : julian.toJulianDay(new Date());\n    const startJd =\n      centerDate - this.options.orbitPathSettings!.trailDurationYears! * 365.25;\n    const endJd =\n      centerDate + this.options.orbitPathSettings!.leadDurationYears! * 365.25;\n    const step =\n      (endJd - startJd) / this.options.orbitPathSettings!.numberSamplePoints!;\n\n    this.orbitStart = startJd;\n    this.orbitStop = endJd;\n\n    switch (this.orbitType) {\n      case OrbitType.HYPERBOLIC:\n        return this.getLine(\n          this.getPositionAtTimeHyperbolic.bind(this),\n          startJd,\n          endJd,\n          step,\n        );\n      case OrbitType.PARABOLIC:\n        return this.getLine(\n          this.getPositionAtTimeNearParabolic.bind(this),\n          startJd,\n          endJd,\n          step,\n        );\n      case OrbitType.TABLE:\n        return this.getTableOrbit(startJd, endJd, step);\n      default:\n        throw new Error('Unknown orbit shape');\n    }\n  }\n\n  /**\n   * Compute a line between a given date range.\n   * @private\n   */\n  private getLine(\n    orbitFn: (jd: number) => Coordinate3d,\n    startJd: number,\n    endJd: number,\n    step: number,\n  ) {\n    const points: THREE.Vector3[] = [];\n    for (let jd = startJd; jd <= endJd; jd += step) {\n      const pos = orbitFn(jd);\n      points.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n    }\n    return this.generateAndCacheOrbitShape(points);\n  }\n\n  /**\n   * Returns the orbit for a table lookup orbit definition\n   * @private\n   * @param {Number} startJd start of orbit in JDate format\n   * @param {Number} stopJd end of orbit in JDate format\n   * @param {Number} step step size in days\n   * @return {THREE.Line}\n   */\n  private getTableOrbit(\n    startJd: number,\n    stopJd: number,\n    step: number,\n  ): THREE.Line {\n    if (this.ephem instanceof Ephem) {\n      throw new Error(\n        'Attempted to compute table orbit on non-table ephemeris',\n      );\n    }\n    const rawPoints = this.ephem.getPositions(startJd, stopJd, step);\n    const points = rawPoints\n      .map((values) => rescaleArray(values))\n      .map((values) => new THREE.Vector3(values[0], values[1], values[2]));\n\n    return this.generateAndCacheOrbitShape(points);\n  }\n\n  /**\n   * @private\n   * @return {THREE.Line} The ellipse object that represents this orbit.\n   */\n  private getEllipse() {\n    const points = this.getEllipsePoints();\n    return this.generateAndCacheOrbitShape(points);\n  }\n\n  /**\n   * @private\n   * @return {THREE.Vector3[]} A THREE.js geometry\n   */\n  private getEllipsePoints(): THREE.Vector3[] {\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    const a = eph.get('a');\n    const ecc = eph.get('e');\n\n    const twoPi = Math.PI * 2;\n    const step = twoPi / 90;\n    const pts = [];\n    for (let E = 0; E < twoPi; E += step) {\n      const v = 2 * Math.atan(sqrt((1 + ecc) / (1 - ecc)) * Math.tan(E / 2));\n      const r = (a * (1 - ecc * ecc)) / (1 + ecc * cos(v));\n      const pos = this.vectorToHeliocentric(v, r);\n\n      if (isNaN(pos[0]) || isNaN(pos[1]) || isNaN(pos[2])) {\n        console.error(\n          'NaN position value - you may have bad or incomplete data in the following ephemeris:',\n        );\n        console.error(eph);\n      }\n      pts.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n    }\n    pts.push(pts[0]);\n    return pts;\n  }\n\n  /**\n   * @private\n   * @return {THREE.Line} Line object\n   */\n  private generateAndCacheOrbitShape(\n    pointVectors: THREE.Vector3[],\n  ): THREE.Line {\n    this.orbitPoints = pointVectors;\n    this.orbitShape = new THREE.Line(\n      new THREE.BufferGeometry().setFromPoints(pointVectors),\n      new THREE.LineBasicMaterial({\n        color: new THREE.Color(this.options.color || 0x444444),\n      }),\n    );\n    return this.orbitShape;\n  }\n\n  /**\n   * A geometry containing line segments that run between the orbit ellipse and\n   * the ecliptic plane of the solar system. This is a useful visual effect\n   * that makes it easy to tell when an orbit goes below or above the ecliptic\n   * plane.\n   * @return {THREE.LineSegments} A geometry with many line segments.\n   */\n  getLinesToEcliptic(): THREE.LineSegments {\n    if (this.eclipticDropLines) {\n      return this.eclipticDropLines;\n    }\n\n    if (!this.orbitPoints) {\n      // Generate the orbitPoints cache.\n      this.getOrbitShape();\n    }\n\n    // Place a cap on visible lines, for large or highly inclined orbits.\n    const points = this.orbitPoints || [];\n    let filteredPoints: THREE.Vector3[] = [];\n    points.forEach((vertex, idx) => {\n      // Drop last point because it's a repeat of the first point.\n      if (\n        idx === points.length - 1 &&\n        this.orbitType === OrbitType.ELLIPTICAL\n      ) {\n        return;\n      }\n      filteredPoints.push(vertex);\n      filteredPoints.push(new THREE.Vector3(vertex.x, vertex.y, 0));\n    });\n    const geometry = new THREE.BufferGeometry().setFromPoints(filteredPoints);\n\n    this.eclipticDropLines = new THREE.LineSegments(\n      geometry,\n      new THREE.LineBasicMaterial({\n        color: this.options.eclipticLineColor || 0x333333,\n        blending: THREE.AdditiveBlending,\n      }),\n    );\n\n    return this.eclipticDropLines;\n  }\n\n  /**\n   * Get the color of this orbit.\n   * @return {Number} The hexadecimal color of the orbital ellipse.\n   */\n  getHexColor(): number {\n    return (this.getOrbitShape().material as LineBasicMaterial).color.getHex();\n  }\n\n  /**\n   * @param {Number} hexVal The hexadecimal color of the orbital ellipse.\n   */\n  setHexColor(hexVal: number) {\n    (this.getOrbitShape().material as LineBasicMaterial).color =\n      new THREE.Color(hexVal);\n  }\n\n  /**\n   * Get the visibility of this orbit.\n   * @return {boolean} Whether the orbital ellipse is visible. Note that\n   * although the ellipse may not be visible, it is still present in the\n   * underlying Scene and Simultation.\n   */\n  getVisibility(): boolean {\n    return this.getOrbitShape().visible;\n  }\n\n  /**\n   * Change the visibility of this orbit.\n   * @param {boolean} val Whether to show the orbital ellipse.\n   */\n  setVisibility(val: boolean) {\n    this.getOrbitShape().visible = val;\n  }\n\n  /**\n   * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC,\n   * ELLIPTICAL, or UNKNOWN.\n   * @param {(Ephem | EphemerisTable)} Ephemeris\n   * @return {OrbitType} Name of orbit type\n   */\n  static getOrbitType(ephem: Ephem | EphemerisTable): OrbitType {\n    if (ephem instanceof EphemerisTable) {\n      return OrbitType.TABLE;\n    }\n\n    const e = ephem.get('e');\n    if (e > 0.9 && e < 1.2) {\n      return OrbitType.PARABOLIC;\n    }\n    if (e > 1.2) {\n      return OrbitType.HYPERBOLIC;\n    }\n    return OrbitType.ELLIPTICAL;\n  }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\nimport Stats from 'three/examples/jsm/libs/stats.module';\nimport {\n  BloomEffect,\n  EffectComposer,\n  EffectPass,\n  RenderPass,\n  // @ts-ignore\n} from 'postprocessing';\n\nimport type { Scene, Object3D, Vector3, WebGL1Renderer } from 'three';\n\nimport Camera from './Camera';\nimport { KeplerParticles } from './KeplerParticles';\nimport { NaturalSatellites } from './EphemPresets';\nimport { ShapeObject } from './ShapeObject';\nimport { Skybox } from './Skybox';\nimport { SpaceObject } from './SpaceObject';\nimport { SphereObject } from './SphereObject';\nimport { StaticParticles } from './StaticParticles';\nimport { Stars } from './Stars';\nimport { getDefaultBasePath } from './util';\nimport { setScaleFactor, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\n// TODO(ian): Make this an interface.\nexport interface SimulationObject {\n  update: (jd: number, force: boolean) => void;\n  get3jsObjects(): THREE.Object3D[];\n  getId(): string;\n}\n\ninterface CameraOptions {\n  initialPosition?: Coordinate3d;\n  enableDrift?: boolean;\n}\n\ninterface DebugOptions {\n  showAxes?: boolean;\n  showGrid?: boolean;\n  showStats?: boolean;\n}\n\ninterface SpacekitOptions {\n  basePath: string;\n  startDate?: Date;\n  jd?: number;\n  jdDelta?: number;\n  jdPerSecond?: number;\n  unitsPerAu?: number;\n  startPaused?: boolean;\n  maxNumParticles?: number;\n  particleTextureUrl?: string;\n  particleDefaultSize?: number;\n  camera?: CameraOptions;\n  debug?: DebugOptions;\n}\n\nexport interface SimulationContext {\n  simulation: Simulation;\n  options: SpacekitOptions;\n  objects: {\n    renderer: WebGL1Renderer;\n    camera: Camera;\n    scene: Scene;\n    particles: KeplerParticles;\n    composer?: EffectComposer;\n  };\n  container: {\n    width: number;\n    height: number;\n  };\n}\n\n/**\n * The main entrypoint of a visualization.\n *\n * This class wraps a THREE.js scene, controls, skybox, etc in an animated\n * Simulation.\n *\n * @example\n * ```\n * const sim = new Spacekit.Simulation(document.getElementById('my-container'), {\n *  basePath: '../path/to/assets',\n *  startDate: Date.now(),\n *  jd: 0.0,\n *  jdDelta: 10.0,\n *  jdPerSecond: 100.0,  // overrides jdDelta\n *  startPaused: false,\n *  unitsPerAu: 1.0,\n *  maxNumParticles: 2**16,\n *  camera: {\n *    initialPosition: [0, -10, 5],\n *    enableDrift: false,\n *  },\n *  debug: {\n *    showAxes: false,\n *    showGrid: false,\n *    showStats: false,\n *  },\n * });\n * ```\n */\nexport class Simulation {\n  public onTick?: () => void;\n\n  private simulationElt: HTMLCanvasElement;\n\n  private options: SpacekitOptions;\n\n  private jd: number;\n\n  private jdDelta?: number;\n\n  private jdPerSecond: number;\n\n  private isPaused: boolean;\n\n  private enableCameraDrift: boolean;\n\n  private cameraDefaultPos: Coordinate3d;\n\n  private camera: Camera;\n\n  private useLightSources: boolean;\n\n  private lightPosition?: Vector3;\n\n  private subscribedObjects: Record<string, SimulationObject>;\n\n  private particles: KeplerParticles;\n\n  private stats?: Stats;\n\n  private fps: number;\n\n  private lastUpdatedTime: number;\n\n  private lastStaticCameraUpdateTime: number;\n\n  private lastResizeUpdateTime: number;\n\n  private renderEnabled: boolean;\n\n  private initialRenderComplete: boolean;\n\n  private scene: Scene;\n\n  private renderer: WebGL1Renderer;\n\n  private composer?: EffectComposer;\n\n  /**\n   * @param {HTMLCanvasElement} simulationElt The container for this simulation.\n   * @param {Object} options for simulation\n   * @param {String} options.basePath Path to simulation assets and data\n   * @param {Date} options.startDate The start date and time for this\n   * simulation.\n   * @param {Number} options.jd The JD date of this simulation.\n   * Defaults to 0\n   * @param {Number} options.jdDelta The number of JD to add every tick of\n   * the simulation.\n   * @param {Number} options.jdPerSecond The number of jd to add every second.\n   * Use this instead of `jdDelta` for constant motion that does not vary with\n   * framerate.  Defaults to 100.\n   * @param {Number} options.unitsPerAu The number of \"position\" units in the\n   * simulation that represent an AU. This is an optional setting that you may\n   * use if the default (1 unit = 1 AU) is too small for your simulation (e.g.\n   * if you are representing a planetary system). Depending on your graphics\n   * card, you may begin to notice inaccuracies at fractional scales of GL\n   * units, so it becomes necessary to scale the whole visualization.  Defaults\n   * to 1.0.\n   * @param {boolean} options.startPaused Whether the simulation should start\n   * in a paused state.\n   * @param {Number} options.maxNumParticles The maximum number of particles in\n   * the visualization. Try choosing a number that is larger than your\n   * particles, but not too much larger. It's usually good enough to choose the\n   * next highest power of 2. If you're not showing many particles (tens of\n   * thousands+), you don't need to worry about this.\n   * @param {String} options.particleTextureUrl The texture for the default\n   * particle system.\n   * @param {Number} options.particleDefaultSize The default size for the\n   * particle system.\n   * @param {Object} options.camera Options for camera\n   * @param {Array.<Number>} options.camera.initialPosition Initial X, Y, Z\n   * coordinates of the camera. Defaults to [0, -10, 5].\n   * @param {boolean} options.camera.enableDrift Set true to have the camera\n   * float around slightly. False by default.\n   * @param {Object} options.debug Options dictating debug state.\n   * @param {boolean} options.debug.showAxes Show X, Y, and Z axes\n   * @param {boolean} options.debug.showGrid Show grid on XY plane\n   * @param {boolean} options.debug.showStats Show FPS and other stats\n   * (requires stats.js).\n   */\n  constructor(simulationElt: HTMLCanvasElement, options: SpacekitOptions) {\n    this.simulationElt = simulationElt;\n    this.options = options || {};\n    this.options.basePath = this.options.basePath || getDefaultBasePath();\n\n    this.jd =\n      typeof this.options.jd === 'undefined'\n        ? Number(julian(this.options.startDate || new Date()))\n        : this.options.jd;\n    this.jdDelta = this.options.jdDelta;\n    this.jdPerSecond = this.options.jdPerSecond || 100;\n    this.isPaused = options.startPaused || false;\n    this.onTick = undefined;\n\n    this.enableCameraDrift = false;\n    this.cameraDefaultPos = rescaleArray([0, -10, 5]);\n    if (this.options.camera) {\n      this.enableCameraDrift = !!this.options.camera.enableDrift;\n      if (this.options.camera.initialPosition) {\n        this.cameraDefaultPos = rescaleArray(\n          this.options.camera.initialPosition,\n        );\n      }\n    }\n\n    this.useLightSources = false;\n    this.lightPosition = undefined;\n\n    this.subscribedObjects = {};\n\n    // This makes controls.lookAt and other objects treat the positive Z axis\n    // as \"up\" direction.\n    THREE.Object3D.DefaultUp = new THREE.Vector3(0, 0, 1);\n\n    // Scale\n    if (this.options.unitsPerAu) {\n      setScaleFactor(this.options.unitsPerAu);\n    }\n\n    // stats.js panel\n    this.stats = undefined;\n    this.fps = 1;\n\n    this.lastUpdatedTime = Date.now();\n    this.lastStaticCameraUpdateTime = Date.now();\n    this.lastResizeUpdateTime = Date.now();\n\n    // Rendering\n    this.renderEnabled = true;\n    this.initialRenderComplete = false;\n    this.animate = this.animate.bind(this);\n\n    this.renderer = this.initRenderer();\n    this.scene = new THREE.Scene();\n    this.camera = new Camera(this.getContext());\n    this.composer = null;\n\n    // Orbit particle system must be initialized after scene is created and\n    // scale is set.\n    this.particles = new KeplerParticles(\n      {\n        textureUrl:\n          this.options.particleTextureUrl ||\n          '{{assets}}/sprites/smallparticle.png',\n        jd: this.jd,\n        maxNumParticles: this.options.maxNumParticles,\n        defaultSize: this.options.particleDefaultSize,\n      },\n      this,\n    );\n\n    this.init();\n    this.animate();\n  }\n\n  /**\n   * @private\n   */\n  private init() {\n    // Camera\n    this.camera\n      .get3jsCamera()\n      .position.set(\n        this.cameraDefaultPos[0],\n        this.cameraDefaultPos[1],\n        this.cameraDefaultPos[2],\n      );\n    // window.cam = camera.get3jsCamera();\n\n    // Events\n    this.simulationElt.onmousedown = this.simulationElt.ontouchstart = () => {\n      // When user begins interacting with the visualization, disable camera\n      // drift.\n      this.enableCameraDrift = false;\n    };\n\n    (() => {\n      let listenToCameraEvents = false;\n      this.camera.get3jsCameraControls().addEventListener('change', () => {\n        // Camera will send a few initial events - ignore these.\n        if (listenToCameraEvents) {\n          this.staticForcedUpdate();\n        }\n      });\n      setTimeout(() => {\n        // Send an update when the visualization is done loading.\n        this.staticForcedUpdate();\n        listenToCameraEvents = true;\n        this.initialRenderComplete = true;\n      }, 0);\n    })();\n\n    this.simulationElt.addEventListener('resize', () => {\n      this.resizeUpdate();\n    });\n\n    window.addEventListener('resize', () => {\n      this.resizeUpdate();\n    });\n\n    // Helper\n    if (this.options.debug) {\n      if (this.options.debug.showGrid) {\n        const gridHelper = new THREE.GridHelper(undefined, undefined);\n        gridHelper.geometry.rotateX(Math.PI / 2);\n        this.scene.add(gridHelper);\n      }\n      if (this.options.debug.showAxes) {\n        this.scene.add(new THREE.AxesHelper(0.5));\n      }\n      if (this.options.debug.showStats) {\n        this.stats = new (Stats as any)();\n        this.stats!.showPanel(0);\n        this.simulationElt.appendChild(this.stats!.dom);\n      }\n    }\n\n    // Set up effect composer, etc.\n    this.initPasses();\n  }\n\n  /**\n   * @private\n   */\n  private initRenderer(): THREE.WebGL1Renderer {\n    // TODO(ian): Upgrade to webgl 2. See https://discourse.threejs.org/t/webgl2-breaking-custom-shader/16603/4\n    const renderer = new THREE.WebGL1Renderer({\n      antialias: true,\n      //logarithmicDepthBuffer: true,\n    });\n    console.info(\n      'Max texture resolution:',\n      renderer.capabilities.maxTextureSize,\n    );\n\n    const maxPrecision = renderer.capabilities.getMaxPrecision('highp');\n    if (maxPrecision !== 'highp') {\n      console.warn(\n        `Shader maximum precision is \"${maxPrecision}\", GPU rendering may not be accurate.`,\n      );\n    }\n\n    renderer.setPixelRatio(window.devicePixelRatio);\n    renderer.setSize(\n      this.simulationElt.offsetWidth,\n      this.simulationElt.offsetHeight,\n    );\n\n    this.simulationElt.appendChild(renderer.domElement);\n\n    return renderer;\n  }\n\n  /**\n   * @private\n   */\n  private initPasses() {\n    //const smaaEffect = new SMAAEffect(assets.get(\"smaa-search\"), assets.get(\"smaa-area\"));\n    //smaaEffect.colorEdgesMaterial.setEdgeDetectionThreshold(0.065);\n\n    const camera = this.camera.get3jsCamera();\n\n    /*\n    const sunGeometry = new THREE.SphereBufferGeometry(\n      rescaleNumber(0.004),\n      16,\n    );\n    const sunMaterial = new THREE.MeshBasicMaterial({\n      color: 0xffddaa,\n      transparent: true,\n      depthWrite: false,\n      fog: false,\n    });\n    const sun = new THREE.Mesh(sunGeometry, sunMaterial);\n    const rescaled = rescaleArray([0.1, 0.1, 0.0]);\n    sun.position.set(rescaled[0], rescaled[1], rescaled[2]);\n    sun.updateMatrix();\n    sun.updateMatrixWorld();\n\n    const godRaysEffect = new GodRaysEffect(camera, sun, {\n      color: 0xfff5f2,\n      blur: false,\n    });\n    */\n    //godRaysEffect.dithering = true;\n\n    const bloomEffect = new BloomEffect(this.scene, camera, {\n      width: 240,\n      height: 240,\n      luminanceThreshold: 0.2,\n    });\n    bloomEffect.inverted = true;\n    bloomEffect.blendMode.opacity.value = 2.3;\n\n    const renderPass = new RenderPass(this.scene, camera);\n    renderPass.renderToScreen = false;\n\n    const effectPass = new EffectPass(\n      camera,\n      /*smaaEffect, godRaysEffect*/ bloomEffect,\n    );\n    effectPass.renderToScreen = true;\n\n    const composer = new EffectComposer(this.renderer);\n    composer.addPass(renderPass);\n    composer.addPass(effectPass);\n    this.composer = composer;\n  }\n\n  /**\n   * @private\n   */\n  private update(force = false) {\n    for (const objId in this.subscribedObjects) {\n      if (this.subscribedObjects.hasOwnProperty(objId)) {\n        this.subscribedObjects[objId].update(this.jd, force);\n      }\n    }\n  }\n\n  /**\n   * Performs a forced update of all elements in the view. This is used for when the system isn't animating but the\n   * objects need to update their data to properly capture things like updated label positions.\n   * @private\n   */\n  private staticForcedUpdate() {\n    if (this.isPaused) {\n      const now = Date.now();\n      const timeDelta = now - this.lastStaticCameraUpdateTime;\n      const threshold = 30;\n      // TODO(ian): Also do this based on viewport change. Otherwise things like scrolling don't work well.\n      if (timeDelta > threshold) {\n        this.update(true /* force */);\n        this.lastStaticCameraUpdateTime = now;\n      }\n    }\n  }\n\n  /**\n   * @private\n   * Updates the size of the control and forces a refresh of components whenever the control is being resized.\n   */\n  private resizeUpdate() {\n    const now = Date.now();\n    const timeDelta = now - this.lastResizeUpdateTime;\n    const threshold = 30;\n\n    if (timeDelta > threshold) {\n      const newWidth = this.simulationElt.offsetWidth;\n      const newHeight = this.simulationElt.offsetHeight;\n      if (newWidth === 0 && newHeight === 0) {\n        return;\n      }\n      const camera = this.camera.get3jsCamera();\n      camera.aspect = newWidth / newHeight;\n      camera.updateProjectionMatrix();\n      this.renderer.setSize(newWidth, newHeight);\n      this.staticForcedUpdate();\n      this.lastResizeUpdateTime = now;\n    }\n  }\n\n  /**\n   * @private\n   * TODO(ian): Move this into Camera\n   */\n  private doCameraDrift() {\n    // Follow floating path around\n    const timer = 0.0001 * Date.now();\n    const pos = this.cameraDefaultPos;\n    const cam = this.camera.get3jsCamera();\n    cam.position.x = pos[0] + (pos[0] * (Math.cos(timer) + 1)) / 3;\n    cam.position.z = pos[2] + (pos[2] * (Math.sin(timer) + 1)) / 3;\n  }\n\n  /**\n   * @private\n   */\n  private animate() {\n    if (!this.renderEnabled && this.initialRenderComplete) {\n      return;\n    }\n\n    window.requestAnimationFrame(this.animate);\n\n    if (this.stats) {\n      this.stats.begin();\n    }\n\n    if (!this.isPaused) {\n      if (this.jdDelta) {\n        this.jd += this.jdDelta;\n      } else {\n        // N jd per second\n        this.jd += this.jdPerSecond / this.fps;\n      }\n\n      const timeDelta = (Date.now() - this.lastUpdatedTime) / 1000;\n      this.lastUpdatedTime = Date.now();\n      this.fps = 1 / timeDelta || 1;\n\n      // Update objects in this simulation\n      this.update();\n    }\n\n    // Update camera drifting, if applicable\n    if (this.enableCameraDrift) {\n      this.doCameraDrift();\n    }\n    this.camera.update();\n\n    // Update three.js scene\n    this.renderer.render(this.scene, this.camera.get3jsCamera());\n    //this.composer.render(0.1);\n\n    if (this.onTick) {\n      this.onTick();\n    }\n\n    if (this.stats) {\n      this.stats.end();\n    }\n  }\n\n  /**\n   * Add a spacekit object (usually a SpaceObject) to the visualization.\n   * @see SpaceObject\n   * @param {Object} obj Object to add to visualization\n   * @param {boolean} noUpdate Set to true if object does not need to be\n   * animated.\n   */\n  addObject(obj: SimulationObject, noUpdate: boolean = false) {\n    obj.get3jsObjects().map((x) => {\n      this.scene.add(x);\n    });\n\n    if (!noUpdate) {\n      // Call for updates as time passes.\n      const objId = obj.getId();\n      if (this.subscribedObjects[objId]) {\n        console.error(\n          `Object id is not unique: \"${objId}\". This could prevent objects from updating correctly.`,\n        );\n      }\n      this.subscribedObjects[objId] = obj;\n    }\n  }\n\n  /**\n   * Removes an object from the visualization.\n   * @param {Object} obj Object to remove\n   */\n  removeObject(obj: SpaceObject) {\n    // TODO(ian): test this and avoid memory leaks...\n    obj.get3jsObjects().map((x) => {\n      this.scene.remove(x);\n    });\n\n    if (typeof obj.removalCleanup === 'function') {\n      obj.removalCleanup();\n    }\n    delete this.subscribedObjects[obj.getId()];\n  }\n\n  /**\n   * Shortcut for creating a new SpaceObject belonging to this visualization.\n   * Takes any SpaceObject arguments.\n   * @see SpaceObject\n   */\n  // @ts-ignore\n  createObject(...args): SpaceObject {\n    // @ts-ignore\n    return new SpaceObject(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new ShapeObject belonging to this visualization.\n   * Takes any ShapeObject arguments.\n   * @see ShapeObject\n   */\n  // @ts-ignore\n  createShape(...args): ShapeObject {\n    // @ts-ignore\n    return new ShapeObject(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new SphereOjbect belonging to this visualization.\n   * Takes any SphereObject arguments.\n   * @see SphereObject\n   */\n  // @ts-ignore\n  createSphere(...args): SphereObject {\n    // @ts-ignore\n    return new SphereObject(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new StaticParticles object belonging to this visualization.\n   * Takes any StaticParticles arguments.\n   * @see SphereObject\n   */\n  // @ts-ignore\n  createStaticParticles(...args): StaticParticles {\n    // @ts-ignore\n    return new StaticParticles(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new Skybox belonging to this visualization. Takes\n   * any Skybox arguments.\n   * @see Skybox\n   */\n  // @ts-ignore\n  createSkybox(...args): Skybox {\n    // @ts-ignore\n    return new Skybox(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new Stars object belonging to this visualization.\n   * Takes any Stars arguments.\n   * @see Stars\n   */\n  // @ts-ignore\n  createStars(...args): Stars {\n    if (args.length) {\n      // @ts-ignore\n      return new Stars(...args, this);\n    }\n    // No arguments supplied\n    return new Stars({}, this);\n  }\n\n  /**\n   * Creates an ambient light source. This will dimly light everything in the\n   * visualization.\n   * @param {Number} color Color of light, default 0x333333\n   */\n  createAmbientLight(color: number = 0x333333) {\n    this.scene.add(new THREE.AmbientLight(color));\n    this.useLightSources = true;\n  }\n\n  /**\n   * Creates a light source. This will make the shape of your objects visible\n   * and provide some contrast.\n   * @param {Array.<Number>} pos Position of light source. Defaults to moving\n   * with camera.\n   * @param {Number} color Color of light, default 0xFFFFFF\n   */\n  createLight(\n    pos: Coordinate3d | undefined = undefined,\n    color: number = 0xffffff,\n  ) {\n    if (this.lightPosition) {\n      console.warn(\n        \"Spacekit doesn't support more than one light source for SphereObjects\",\n      );\n    }\n    this.lightPosition = new THREE.Vector3();\n\n    // Pointlight is for standard meshes created by ShapeObjects.\n    // TODO(ian): Remove this point light.\n    const pointLight = new THREE.PointLight();\n\n    if (typeof pos === 'undefined') {\n      // The light comes from the camera.\n      // FIXME(ian): This only affects the point source.\n      this.camera.get3jsCameraControls().addEventListener('change', () => {\n        this.lightPosition!.copy(this.camera.get3jsCamera().position);\n        pointLight.position.copy(this.camera.get3jsCamera().position);\n      });\n    } else {\n      const rescaled = rescaleArray(pos);\n      this.lightPosition.set(rescaled[0], rescaled[1], rescaled[2]);\n      pointLight.position.set(rescaled[0], rescaled[1], rescaled[2]);\n    }\n\n    this.scene.add(pointLight);\n    this.useLightSources = true;\n  }\n\n  getLightPosition(): Vector3 | undefined {\n    return this.lightPosition;\n  }\n\n  isUsingLightSources(): boolean {\n    return this.useLightSources;\n  }\n\n  /**\n   * Returns a promise that receives a NaturalSatellites object when it is\n   * resolved.\n   * @return {Promise<NaturalSatellites>} NaturalSatellites object that is\n   * ready to load.\n   *\n   * @see {NaturalSatellites}\n   */\n  loadNaturalSatellites(): Promise<NaturalSatellites> {\n    return new NaturalSatellites(this).load();\n  }\n\n  /**\n   * Installs a scroll handler that only renders the visualization while it is\n   * in the user's viewport.\n   *\n   * The scroll handler currently binds to the window object only.\n   */\n  renderOnlyInViewport() {\n    let previouslyInView = true;\n    const isInView = () => {\n      const rect = this.simulationElt.getBoundingClientRect();\n      const windowHeight =\n        window.innerHeight || document.documentElement.clientHeight;\n      const windowWidth =\n        window.innerWidth || document.documentElement.clientWidth;\n      const vertInView =\n        rect.top <= windowHeight && rect.top + rect.height >= 0;\n      const horInView = rect.left <= windowWidth && rect.left + rect.width >= 0;\n\n      return vertInView && horInView;\n    };\n\n    window.addEventListener('scroll', () => {\n      const inView = isInView();\n      if (previouslyInView && !inView) {\n        // Went out of view\n        this.renderEnabled = false;\n        previouslyInView = false;\n      } else if (!previouslyInView && inView) {\n        // Came into view\n        this.renderEnabled = true;\n        window.requestAnimationFrame(this.animate);\n        previouslyInView = true;\n      }\n    });\n\n    if (!isInView()) {\n      // Initial state is render enabled, so disable it if currently out of\n      // view.\n      this.renderEnabled = false;\n      previouslyInView = false;\n    }\n  }\n\n  /**\n   * Adjust camera position so that the object fits within the viewport. If\n   * applicable, this function will fit around the object's orbit.\n   * @param {SpaceObject} spaceObj Object to fit within viewport.\n   * @param {Number} offset Add some extra room in the viewport. Increase to be\n   * further zoomed out, decrease to be closer. Default 3.0.\n   */\n  async zoomToFit(\n    spaceObj: SpaceObject,\n    offset: number = 3.0,\n  ): Promise<boolean> {\n    const orbit = spaceObj.getOrbit();\n    const obj = orbit\n      ? orbit.getOrbitShape()\n      : await spaceObj.getBoundingObject();\n    if (obj) {\n      this.doZoomToFit(obj, offset);\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * @private\n   * Perform the actual zoom to fit behavior.\n   * @param {Object3D} obj Three.js object to fit within viewport.\n   * @param {Number} offset Add some extra room in the viewport. Increase to be\n   * further zoomed out, decrease to be closer. Default 3.0.\n   */\n  private doZoomToFit(obj: Object3D, offset: number) {\n    const boundingBox = new THREE.Box3();\n    boundingBox.setFromObject(obj);\n\n    const center = new THREE.Vector3();\n    boundingBox.getCenter(center);\n    const size = new THREE.Vector3();\n    boundingBox.getSize(size);\n\n    // Get the max side of the bounding box (fits to width OR height as needed)\n    const camera = this.camera.get3jsCamera();\n    const maxDim = Math.max(size.x, size.y, size.z);\n    const fov = camera.fov * (Math.PI / 180);\n    const cameraZ = Math.abs((maxDim / 2) * Math.tan(fov * 2)) * offset;\n\n    const objectWorldPosition = new THREE.Vector3();\n    obj.getWorldPosition(objectWorldPosition);\n    const directionVector = camera.position.sub(objectWorldPosition); // Get vector from camera to object\n    const unitDirectionVector = directionVector.normalize(); // Convert to unit vector\n\n    const newpos = unitDirectionVector.multiplyScalar(cameraZ);\n    camera.position.x = newpos.x;\n    camera.position.y = newpos.y;\n    camera.position.z = newpos.z;\n    camera.updateProjectionMatrix();\n\n    // Update default camera pos so if drift is on, camera will drift around\n    // its new position.\n    this.cameraDefaultPos = [newpos.x, newpos.y, newpos.z];\n  }\n\n  /**\n   * Run the animation\n   */\n  start() {\n    this.lastUpdatedTime = Date.now();\n    this.isPaused = false;\n  }\n\n  /**\n   * Stop the animation\n   */\n  stop() {\n    this.isPaused = true;\n  }\n\n  /**\n   * Gets the current JD date of the simulation\n   * @return {Number} JD date\n   */\n  getJd(): number {\n    return this.jd;\n  }\n\n  /**\n   * Sets the JD date of the simulation.\n   * @param {Number} val JD date\n   */\n  setJd(val: number) {\n    this.jd = val;\n    this.update(true);\n  }\n\n  /**\n   * Get a date object representing local date and time of the simulation.\n   * @return {Date} Date of simulation\n   */\n  getDate(): Date {\n    return julian.toDate(this.jd);\n  }\n\n  /**\n   * Set the local date and time of the simulation.\n   * @param {Date} date Date of simulation\n   */\n  setDate(date: Date) {\n    this.setJd(Number(julian(date)));\n  }\n\n  /**\n   * Get the JD per frame of the visualization.\n   */\n  getJdDelta() {\n    if (!this.jdDelta) {\n      return this.jdPerSecond / this.fps;\n    }\n    return this.jdDelta;\n  }\n\n  /**\n   * Set the JD per frame of the visualization. This will override any\n   * existing \"JD per second\" setting.\n   * @param {Number} delta JD per frame\n   */\n  setJdDelta(delta: number) {\n    this.jdDelta = delta;\n  }\n\n  /**\n   * Get the JD change per second of the visualization.\n   * @return {Number | undefined} JD per second, undefined if jd per second is\n   * not set.\n   */\n  getJdPerSecond(): number | undefined {\n    if (this.jdDelta) {\n      // Jd per second can vary\n      return undefined;\n    }\n    return this.jdPerSecond;\n  }\n\n  /**\n   * Set the JD change per second of the visualization.\n   * @param {Number} x JD per second\n   */\n  setJdPerSecond(x: number) {\n    // Delta overrides jd per second, so unset it.\n    this.jdDelta = undefined;\n\n    this.jdPerSecond = x;\n  }\n\n  /**\n   * Get an object that contains useful context for this visualization\n   * @return {Object} Context object\n   */\n  getContext(): SimulationContext {\n    return {\n      simulation: this,\n      options: this.options,\n      objects: {\n        particles: this.particles,\n        camera: this.camera,\n        scene: this.scene,\n        renderer: this.renderer,\n        composer: this.composer,\n      },\n      container: {\n        width: this.simulationElt.offsetWidth,\n        height: this.simulationElt.offsetHeight,\n      },\n    };\n  }\n\n  /**\n   * Get the element containing this simulation\n   * @return {HTMLElement} The html container of this simulation\n   */\n  getSimulationElement(): HTMLCanvasElement {\n    return this.simulationElt;\n  }\n\n  /**\n   * Get the Camera and CameraControls wrapper object\n   * @return {Camera} The Camera wrapper\n   */\n  getViewer(): Camera {\n    return this.camera;\n  }\n\n  /**\n   * Get the three.js scene object\n   * @return {THREE.Scene} The THREE.js scene object\n   */\n  getScene(): THREE.Scene {\n    return this.scene;\n  }\n\n  /**\n   * Get the three.js renderer\n   * @return {THREE.WebGL1Renderer} The THREE.js renderer\n   */\n  getRenderer(): THREE.WebGL1Renderer {\n    return this.renderer;\n  }\n\n  /**\n   * Enable or disable camera drift.\n   * @param {boolean} driftOn True if you want the camera to float around a bit\n   */\n  setCameraDrift(driftOn: boolean) {\n    this.enableCameraDrift = driftOn;\n  }\n}\n\nexport default Simulation;\n", "var Stats = function () {\n\n\tvar mode = 0;\n\n\tvar container = document.createElement( 'div' );\n\tcontainer.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';\n\tcontainer.addEventListener( 'click', function ( event ) {\n\n\t\tevent.preventDefault();\n\t\tshowPanel( ++ mode % container.children.length );\n\n\t}, false );\n\n\t//\n\n\tfunction addPanel( panel ) {\n\n\t\tcontainer.appendChild( panel.dom );\n\t\treturn panel;\n\n\t}\n\n\tfunction showPanel( id ) {\n\n\t\tfor ( var i = 0; i < container.children.length; i ++ ) {\n\n\t\t\tcontainer.children[ i ].style.display = i === id ? 'block' : 'none';\n\n\t\t}\n\n\t\tmode = id;\n\n\t}\n\n\t//\n\n\tvar beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0;\n\n\tvar fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );\n\tvar msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );\n\n\tif ( self.performance && self.performance.memory ) {\n\n\t\tvar memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );\n\n\t}\n\n\tshowPanel( 0 );\n\n\treturn {\n\n\t\tREVISION: 16,\n\n\t\tdom: container,\n\n\t\taddPanel: addPanel,\n\t\tshowPanel: showPanel,\n\n\t\tbegin: function () {\n\n\t\t\tbeginTime = ( performance || Date ).now();\n\n\t\t},\n\n\t\tend: function () {\n\n\t\t\tframes ++;\n\n\t\t\tvar time = ( performance || Date ).now();\n\n\t\t\tmsPanel.update( time - beginTime, 200 );\n\n\t\t\tif ( time >= prevTime + 1000 ) {\n\n\t\t\t\tfpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 );\n\n\t\t\t\tprevTime = time;\n\t\t\t\tframes = 0;\n\n\t\t\t\tif ( memPanel ) {\n\n\t\t\t\t\tvar memory = performance.memory;\n\t\t\t\t\tmemPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn time;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tbeginTime = this.end();\n\n\t\t},\n\n\t\t// Backwards Compatibility\n\n\t\tdomElement: container,\n\t\tsetMode: showPanel\n\n\t};\n\n};\n\nStats.Panel = function ( name, fg, bg ) {\n\n\tvar min = Infinity, max = 0, round = Math.round;\n\tvar PR = round( window.devicePixelRatio || 1 );\n\n\tvar WIDTH = 80 * PR, HEIGHT = 48 * PR,\n\t\tTEXT_X = 3 * PR, TEXT_Y = 2 * PR,\n\t\tGRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,\n\t\tGRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;\n\n\tvar canvas = document.createElement( 'canvas' );\n\tcanvas.width = WIDTH;\n\tcanvas.height = HEIGHT;\n\tcanvas.style.cssText = 'width:80px;height:48px';\n\n\tvar context = canvas.getContext( '2d' );\n\tcontext.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';\n\tcontext.textBaseline = 'top';\n\n\tcontext.fillStyle = bg;\n\tcontext.fillRect( 0, 0, WIDTH, HEIGHT );\n\n\tcontext.fillStyle = fg;\n\tcontext.fillText( name, TEXT_X, TEXT_Y );\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\tcontext.fillStyle = bg;\n\tcontext.globalAlpha = 0.9;\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\treturn {\n\n\t\tdom: canvas,\n\n\t\tupdate: function ( value, maxValue ) {\n\n\t\t\tmin = Math.min( min, value );\n\t\t\tmax = Math.max( max, value );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 1;\n\t\t\tcontext.fillRect( 0, 0, WIDTH, GRAPH_Y );\n\t\t\tcontext.fillStyle = fg;\n\t\t\tcontext.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );\n\n\t\t\tcontext.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 0.9;\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );\n\n\t\t}\n\n\t};\n\n};\n\nexport default Stats;\n", "/**\n * postprocessing v6.22.5 build Tue Aug 31 2021\n * https://github.com/vanruesc/postprocessing\n * Copyright 2021 Raoul van R\u00FCschen\n * @license Zlib\n */\n// src/core/ColorChannel.js\nvar ColorChannel = {\n  RED: 0,\n  GREEN: 1,\n  BLUE: 2,\n  ALPHA: 3\n};\n\n// src/core/Disposable.js\nvar Disposable = class {\n  dispose() {\n  }\n};\n\n// src/core/EffectComposer.js\nimport {\n  DepthStencilFormat,\n  DepthTexture,\n  LinearFilter as LinearFilter4,\n  RGBAFormat as RGBAFormat3,\n  RGBFormat as RGBFormat4,\n  UnsignedByteType as UnsignedByteType8,\n  UnsignedIntType,\n  UnsignedInt248Type,\n  Vector2 as Vector213,\n  WebGLMultisampleRenderTarget,\n  WebGLRenderTarget as WebGLRenderTarget9\n} from \"three\";\n\n// src/passes/AdaptiveLuminancePass.js\nimport {\n  HalfFloatType,\n  NearestFilter,\n  RGBAFormat,\n  WebGLRenderTarget as WebGLRenderTarget2\n} from \"three\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nimport { NoBlending, ShaderMaterial, Uniform } from \"three\";\n\n// src/materials/glsl/adaptive-luminance/shader.frag\nvar shader_default = \"uniform mediump sampler2D luminanceBuffer0;uniform lowp sampler2D luminanceBuffer1;uniform float minLuminance;uniform float deltaTime;uniform float tau;varying vec2 vUv;void main(){float l0=texture2D(luminanceBuffer0,vUv).r;\\n#if __VERSION__ < 300\\nfloat l1=texture2DLodEXT(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#else\\nfloat l1=textureLod(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#endif\\nl0=max(minLuminance,l0);l1=max(minLuminance,l1);float adaptedLum=l0+(l1-l0)*(1.0-exp(-deltaTime*tau));gl_FragColor.r=adaptedLum;}\";\n\n// src/materials/glsl/common/shader.vert\nvar shader_default2 = \"varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nvar AdaptiveLuminanceMaterial = class extends ShaderMaterial {\n  constructor() {\n    super({\n      type: \"AdaptiveLuminanceMaterial\",\n      defines: {\n        MIP_LEVEL_1X1: \"0.0\"\n      },\n      uniforms: {\n        luminanceBuffer0: new Uniform(null),\n        luminanceBuffer1: new Uniform(null),\n        minLuminance: new Uniform(0.01),\n        deltaTime: new Uniform(0),\n        tau: new Uniform(1)\n      },\n      fragmentShader: shader_default,\n      vertexShader: shader_default2,\n      blending: NoBlending,\n      depthWrite: false,\n      depthTest: false,\n      extensions: {\n        shaderTextureLOD: true\n      }\n    });\n    this.toneMapped = false;\n  }\n};\n\n// src/materials/BokehMaterial.js\nimport { NoBlending as NoBlending2, ShaderMaterial as ShaderMaterial2, Uniform as Uniform2, Vector2, Vector4 } from \"three\";\n\n// src/materials/glsl/bokeh/shader.frag\nvar shader_default3 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D cocBuffer;uniform vec2 texelSize;uniform float scale;\\n#if PASS == 1\\nuniform vec4 kernel64[32];\\n#else\\nuniform vec4 kernel16[8];\\n#endif\\nvarying vec2 vUv;void main(){\\n#ifdef FOREGROUND\\nvec2 CoCNearFar=texture2D(cocBuffer,vUv).rg;float CoC=CoCNearFar.r*scale;\\n#else\\nfloat CoC=texture2D(cocBuffer,vUv).g*scale;\\n#endif\\nif(CoC==0.0){gl_FragColor=texture2D(inputBuffer,vUv);}else{\\n#ifdef FOREGROUND\\nvec2 step=texelSize*max(CoC,CoCNearFar.g*scale);\\n#else\\nvec2 step=texelSize*CoC;\\n#endif\\n#if PASS == 1\\nvec4 acc=vec4(0.0);for(int i=0;i<32;++i){vec4 kernel=kernel64[i];vec2 uv=step*kernel.xy+vUv;acc+=texture2D(inputBuffer,uv);uv=step*kernel.zw+vUv;acc+=texture2D(inputBuffer,uv);}gl_FragColor=acc/64.0;\\n#else\\nvec4 maxValue=texture2D(inputBuffer,vUv);for(int i=0;i<8;++i){vec4 kernel=kernel16[i];vec2 uv=step*kernel.xy+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);uv=step*kernel.zw+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);}gl_FragColor=maxValue;\\n#endif\\n}}\";\n\n// src/materials/BokehMaterial.js\nvar BokehMaterial = class extends ShaderMaterial2 {\n  constructor(fill = false, foreground = false) {\n    super({\n      type: \"BokehMaterial\",\n      defines: {\n        PASS: fill ? \"2\" : \"1\"\n      },\n      uniforms: {\n        kernel64: new Uniform2(null),\n        kernel16: new Uniform2(null),\n        inputBuffer: new Uniform2(null),\n        cocBuffer: new Uniform2(null),\n        texelSize: new Uniform2(new Vector2()),\n        scale: new Uniform2(1)\n      },\n      fragmentShader: shader_default3,\n      vertexShader: shader_default2,\n      blending: NoBlending2,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    if (foreground) {\n      this.defines.FOREGROUND = \"1\";\n    }\n    this.generateKernel();\n  }\n  generateKernel() {\n    const GOLDEN_ANGLE = 2.39996323;\n    const points64 = new Float32Array(128);\n    const points16 = new Float32Array(32);\n    let i64 = 0, i16 = 0;\n    for (let i = 0; i < 80; ++i) {\n      const theta = i * GOLDEN_ANGLE;\n      const r = Math.sqrt(i) / Math.sqrt(80);\n      const u = r * Math.cos(theta), v3 = r * Math.sin(theta);\n      if (i % 5 === 0) {\n        points16[i16++] = u;\n        points16[i16++] = v3;\n      } else {\n        points64[i64++] = u;\n        points64[i64++] = v3;\n      }\n    }\n    const kernel64 = [];\n    const kernel16 = [];\n    for (let i = 0; i < 128; ) {\n      kernel64.push(new Vector4(points64[i++], points64[i++], points64[i++], points64[i++]));\n    }\n    for (let i = 0; i < 32; ) {\n      kernel16.push(new Vector4(points16[i++], points16[i++], points16[i++], points16[i++]));\n    }\n    this.uniforms.kernel64.value = kernel64;\n    this.uniforms.kernel16.value = kernel16;\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n  }\n};\n\n// src/materials/CircleOfConfusionMaterial.js\nimport { NoBlending as NoBlending3, PerspectiveCamera, ShaderMaterial as ShaderMaterial3, Uniform as Uniform3 } from \"three\";\n\n// src/materials/glsl/circle-of-confusion/shader.frag\nvar shader_default4 = \"#include <common>\\n#include <packing>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float focusDistance;uniform float focalLength;uniform float cameraNear;uniform float cameraFar;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}void main(){float depth=readDepth(vUv);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat signedDistance=linearDepth-focusDistance;float magnitude=smoothstep(0.0,focalLength,abs(signedDistance));gl_FragColor.rg=vec2(step(signedDistance,0.0)*magnitude,step(0.0,signedDistance)*magnitude);}\";\n\n// src/materials/CircleOfConfusionMaterial.js\nvar CircleOfConfusionMaterial = class extends ShaderMaterial3 {\n  constructor(camera) {\n    super({\n      type: \"CircleOfConfusionMaterial\",\n      defines: {\n        DEPTH_PACKING: \"0\"\n      },\n      uniforms: {\n        depthBuffer: new Uniform3(null),\n        focusDistance: new Uniform3(0),\n        focalLength: new Uniform3(0),\n        cameraNear: new Uniform3(0.3),\n        cameraFar: new Uniform3(1e3)\n      },\n      fragmentShader: shader_default4,\n      vertexShader: shader_default2,\n      blending: NoBlending3,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.adoptCameraSettings(camera);\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  adoptCameraSettings(camera = null) {\n    if (camera !== null) {\n      this.uniforms.cameraNear.value = camera.near;\n      this.uniforms.cameraFar.value = camera.far;\n      if (camera instanceof PerspectiveCamera) {\n        this.defines.PERSPECTIVE_CAMERA = \"1\";\n      } else {\n        delete this.defines.PERSPECTIVE_CAMERA;\n      }\n      this.needsUpdate = true;\n    }\n  }\n};\n\n// src/materials/ColorEdgesMaterial.js\nimport { NoBlending as NoBlending4, ShaderMaterial as ShaderMaterial4, Uniform as Uniform4, Vector2 as Vector22 } from \"three\";\n\n// src/materials/glsl/edge-detection/shader.frag\nvar shader_default5 = \"varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\n#if EDGE_DETECTION_MODE == 1\\n#include <common>\\n#endif\\n#if EDGE_DETECTION_MODE == 0 || PREDICATION_MODE == 1\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}vec3 gatherNeighbors(){float p=readDepth(vUv);float pLeft=readDepth(vUv0);float pTop=readDepth(vUv1);return vec3(p,pLeft,pTop);}\\n#elif PREDICATION_MODE == 2\\nuniform sampler2D predicationBuffer;vec3 gatherNeighbors(){float p=texture2D(predicationBuffer,vUv).r;float pLeft=texture2D(predicationBuffer,vUv0).r;float pTop=texture2D(predicationBuffer,vUv1).r;return vec3(p,pLeft,pTop);}\\n#endif\\n#if PREDICATION_MODE != 0\\nvec2 calculatePredicatedThreshold(){vec3 neighbours=gatherNeighbors();vec2 delta=abs(neighbours.xx-neighbours.yz);vec2 edges=step(PREDICATION_THRESHOLD,delta);return PREDICATION_SCALE*EDGE_THRESHOLD*(1.0-PREDICATION_STRENGTH*edges);}\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nuniform sampler2D inputBuffer;\\n#endif\\nvoid main(){\\n#if EDGE_DETECTION_MODE == 0\\nconst vec2 threshold=vec2(DEPTH_THRESHOLD);\\n#elif PREDICATION_MODE != 0\\nvec2 threshold=calculatePredicatedThreshold();\\n#else\\nconst vec2 threshold=vec2(EDGE_THRESHOLD);\\n#endif\\n#if EDGE_DETECTION_MODE == 0\\nvec3 neighbors=gatherNeighbors();vec2 delta=abs(neighbors.xx-vec2(neighbors.y,neighbors.z));vec2 edges=step(threshold,delta);if(dot(edges,vec2(1.0))==0.0){discard;}gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 1\\nfloat l=linearToRelativeLuminance(texture2D(inputBuffer,vUv).rgb);float lLeft=linearToRelativeLuminance(texture2D(inputBuffer,vUv0).rgb);float lTop=linearToRelativeLuminance(texture2D(inputBuffer,vUv1).rgb);vec4 delta;delta.xy=abs(l-vec2(lLeft,lTop));vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}float lRight=linearToRelativeLuminance(texture2D(inputBuffer,vUv2).rgb);float lBottom=linearToRelativeLuminance(texture2D(inputBuffer,vUv3).rgb);delta.zw=abs(l-vec2(lRight,lBottom));vec2 maxDelta=max(delta.xy,delta.zw);float lLeftLeft=linearToRelativeLuminance(texture2D(inputBuffer,vUv4).rgb);float lTopTop=linearToRelativeLuminance(texture2D(inputBuffer,vUv5).rgb);delta.zw=abs(vec2(lLeft,lTop)-vec2(lLeftLeft,lTopTop));maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges.xy*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 2\\nvec4 delta;vec3 c=texture2D(inputBuffer,vUv).rgb;vec3 cLeft=texture2D(inputBuffer,vUv0).rgb;vec3 t=abs(c-cLeft);delta.x=max(max(t.r,t.g),t.b);vec3 cTop=texture2D(inputBuffer,vUv1).rgb;t=abs(c-cTop);delta.y=max(max(t.r,t.g),t.b);vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}vec3 cRight=texture2D(inputBuffer,vUv2).rgb;t=abs(c-cRight);delta.z=max(max(t.r,t.g),t.b);vec3 cBottom=texture2D(inputBuffer,vUv3).rgb;t=abs(c-cBottom);delta.w=max(max(t.r,t.g),t.b);vec2 maxDelta=max(delta.xy,delta.zw);vec3 cLeftLeft=texture2D(inputBuffer,vUv4).rgb;t=abs(c-cLeftLeft);delta.z=max(max(t.r,t.g),t.b);vec3 cTopTop=texture2D(inputBuffer,vUv5).rgb;t=abs(c-cTopTop);delta.w=max(max(t.r,t.g),t.b);maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#endif\\n}\";\n\n// src/materials/glsl/edge-detection/shader.vert\nvar shader_default6 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\nvoid main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,0.0);vUv1=vUv+texelSize*vec2(0.0,-1.0);\\n#if EDGE_DETECTION_MODE != 0\\nvUv2=vUv+texelSize*vec2(1.0,0.0);vUv3=vUv+texelSize*vec2(0.0,1.0);vUv4=vUv+texelSize*vec2(-2.0,0.0);vUv5=vUv+texelSize*vec2(0.0,-2.0);\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/ColorEdgesMaterial.js\nvar ColorEdgesMaterial = class extends ShaderMaterial4 {\n  constructor(texelSize = new Vector22()) {\n    super({\n      type: \"ColorEdgesMaterial\",\n      defines: {\n        EDGE_DETECTION_MODE: \"2\",\n        LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n        EDGE_THRESHOLD: \"0.1\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform4(null),\n        texelSize: new Uniform4(texelSize)\n      },\n      fragmentShader: shader_default5,\n      vertexShader: shader_default6,\n      blending: NoBlending4,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n  setLocalContrastAdaptationFactor(factor) {\n    this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = factor.toFixed(\"2\");\n    this.needsUpdate = true;\n  }\n  setEdgeDetectionThreshold(threshold) {\n    const t = Math.min(Math.max(threshold, 0.05), 0.5);\n    this.defines.EDGE_THRESHOLD = t.toFixed(\"2\");\n    this.needsUpdate = true;\n  }\n};\n\n// src/materials/ConvolutionMaterial.js\nimport { NoBlending as NoBlending5, ShaderMaterial as ShaderMaterial5, Uniform as Uniform5, Vector2 as Vector23 } from \"three\";\n\n// src/materials/glsl/convolution/shader.frag\nvar shader_default7 = \"#include <common>\\n#include <dithering_pars_fragment>\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25;\\n#include <dithering_fragment>\\n}\";\n\n// src/materials/glsl/convolution/shader.vert\nvar shader_default8 = \"uniform vec2 texelSize;uniform vec2 halfTexelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize*vec2(kernel)+halfTexelSize)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/ConvolutionMaterial.js\nvar ConvolutionMaterial = class extends ShaderMaterial5 {\n  constructor(texelSize = new Vector23()) {\n    super({\n      type: \"ConvolutionMaterial\",\n      uniforms: {\n        inputBuffer: new Uniform5(null),\n        texelSize: new Uniform5(new Vector23()),\n        halfTexelSize: new Uniform5(new Vector23()),\n        kernel: new Uniform5(0),\n        scale: new Uniform5(1)\n      },\n      fragmentShader: shader_default7,\n      vertexShader: shader_default8,\n      blending: NoBlending5,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.setTexelSize(texelSize.x, texelSize.y);\n    this.kernelSize = KernelSize.LARGE;\n  }\n  getKernel() {\n    return kernelPresets[this.kernelSize];\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n    this.uniforms.halfTexelSize.value.set(x, y).multiplyScalar(0.5);\n  }\n};\nvar kernelPresets = [\n  new Float32Array([0, 0]),\n  new Float32Array([0, 1, 1]),\n  new Float32Array([0, 1, 1, 2]),\n  new Float32Array([0, 1, 2, 2, 3]),\n  new Float32Array([0, 1, 2, 3, 4, 4, 5]),\n  new Float32Array([0, 1, 2, 3, 4, 5, 7, 8, 9, 10])\n];\nvar KernelSize = {\n  VERY_SMALL: 0,\n  SMALL: 1,\n  MEDIUM: 2,\n  LARGE: 3,\n  VERY_LARGE: 4,\n  HUGE: 5\n};\n\n// src/materials/CopyMaterial.js\nimport { NoBlending as NoBlending6, ShaderMaterial as ShaderMaterial6, Uniform as Uniform6 } from \"three\";\n\n// src/materials/glsl/copy/shader.frag\nvar shader_default9 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel;\\n#include <encodings_fragment>\\n}\";\n\n// src/materials/CopyMaterial.js\nvar CopyMaterial = class extends ShaderMaterial6 {\n  constructor() {\n    super({\n      type: \"CopyMaterial\",\n      uniforms: {\n        inputBuffer: new Uniform6(null),\n        opacity: new Uniform6(1)\n      },\n      fragmentShader: shader_default9,\n      vertexShader: shader_default2,\n      blending: NoBlending6,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n};\n\n// src/materials/DepthComparisonMaterial.js\nimport { NoBlending as NoBlending7, PerspectiveCamera as PerspectiveCamera2, ShaderMaterial as ShaderMaterial7, Uniform as Uniform7 } from \"three\";\n\n// src/materials/glsl/depth-comparison/shader.frag\nvar shader_default10 = \"#include <packing>\\n#include <clipping_planes_pars_fragment>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float cameraNear;uniform float cameraFar;varying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include <clipping_planes_fragment>\\nvec2 projTexCoord=(vProjTexCoord.xy/vProjTexCoord.w)*0.5+0.5;projTexCoord=clamp(projTexCoord,0.002,0.998);float fragCoordZ=unpackRGBAToDepth(texture2D(depthBuffer,projTexCoord));\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#else\\nfloat viewZ=orthographicDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#endif\\nfloat depthTest=(-vViewZ>-viewZ)? 1.0 : 0.0;gl_FragColor.rg=vec2(0.0,depthTest);}\";\n\n// src/materials/glsl/depth-comparison/shader.vert\nvar shader_default11 = \"#include <common>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvarying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include <skinbase_vertex>\\n#include <begin_vertex>\\n#include <morphtarget_vertex>\\n#include <skinning_vertex>\\n#include <project_vertex>\\nvViewZ=mvPosition.z;vProjTexCoord=gl_Position;\\n#include <clipping_planes_vertex>\\n}\";\n\n// src/materials/DepthComparisonMaterial.js\nvar DepthComparisonMaterial = class extends ShaderMaterial7 {\n  constructor(depthTexture = null, camera) {\n    super({\n      type: \"DepthComparisonMaterial\",\n      uniforms: {\n        depthBuffer: new Uniform7(depthTexture),\n        cameraNear: new Uniform7(0.3),\n        cameraFar: new Uniform7(1e3)\n      },\n      fragmentShader: shader_default10,\n      vertexShader: shader_default11,\n      blending: NoBlending7,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.adoptCameraSettings(camera);\n  }\n  adoptCameraSettings(camera = null) {\n    if (camera !== null) {\n      this.uniforms.cameraNear.value = camera.near;\n      this.uniforms.cameraFar.value = camera.far;\n      if (camera instanceof PerspectiveCamera2) {\n        this.defines.PERSPECTIVE_CAMERA = \"1\";\n      } else {\n        delete this.defines.PERSPECTIVE_CAMERA;\n      }\n    }\n  }\n};\n\n// src/materials/DepthCopyMaterial.js\nimport { NoBlending as NoBlending8, ShaderMaterial as ShaderMaterial8, Uniform as Uniform8, Vector2 as Vector24 } from \"three\";\n\n// src/materials/glsl/depth-copy/shader.frag\nvar shader_default12 = \"#include <packing>\\n#if INPUT_DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#else\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#endif\\nvarying vec2 vUv;void main(){\\n#if INPUT_DEPTH_PACKING == OUTPUT_DEPTH_PACKING\\ngl_FragColor=texture2D(depthBuffer,vUv);\\n#else\\n#if INPUT_DEPTH_PACKING == 3201\\nfloat depth=unpackRGBAToDepth(texture2D(depthBuffer,vUv));gl_FragColor=vec4(vec3(depth),1.0);\\n#else\\nfloat depth=texture2D(depthBuffer,vUv).r;gl_FragColor=packDepthToRGBA(depth);\\n#endif\\n#endif\\n}\";\n\n// src/materials/glsl/depth-copy/shader.vert\nvar shader_default13 = \"varying vec2 vUv;\\n#if DEPTH_COPY_MODE == 1\\nuniform vec2 screenPosition;\\n#endif\\nvoid main(){\\n#if DEPTH_COPY_MODE == 1\\nvUv=screenPosition;\\n#else\\nvUv=position.xy*0.5+0.5;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthCopyMaterial.js\nvar DepthCopyMaterial = class extends ShaderMaterial8 {\n  constructor() {\n    super({\n      type: \"DepthCopyMaterial\",\n      defines: {\n        INPUT_DEPTH_PACKING: \"0\",\n        OUTPUT_DEPTH_PACKING: \"0\",\n        DEPTH_COPY_MODE: \"0\"\n      },\n      uniforms: {\n        depthBuffer: new Uniform8(null),\n        screenPosition: new Uniform8(new Vector24())\n      },\n      fragmentShader: shader_default12,\n      vertexShader: shader_default13,\n      blending: NoBlending8,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.mode = DepthCopyMode.FULL;\n  }\n  getInputDepthPacking() {\n    return Number(this.defines.INPUT_DEPTH_PACKING);\n  }\n  setInputDepthPacking(value) {\n    this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  getOutputDepthPacking() {\n    return Number(this.defines.OUTPUT_DEPTH_PACKING);\n  }\n  setOutputDepthPacking(value) {\n    this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  getMode() {\n    return this.mode;\n  }\n  setMode(value) {\n    this.mode = value;\n    this.defines.DEPTH_COPY_MODE = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n};\nvar DepthCopyMode = {\n  FULL: 0,\n  SINGLE: 1\n};\n\n// src/materials/DepthDownsamplingMaterial.js\nimport { NoBlending as NoBlending9, ShaderMaterial as ShaderMaterial9, Uniform as Uniform9, Vector2 as Vector25 } from \"three\";\n\n// src/materials/glsl/depth-downsampling/shader.frag\nvar shader_default14 = \"#include <packing>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#ifdef DOWNSAMPLE_NORMALS\\nuniform lowp sampler2D normalBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}int findBestDepth(const in float samples[4]){float c=(samples[0]+samples[1]+samples[2]+samples[3])/4.0;float distances[4];distances[0]=abs(c-samples[0]);distances[1]=abs(c-samples[1]);distances[2]=abs(c-samples[2]);distances[3]=abs(c-samples[3]);float maxDistance=max(max(distances[0],distances[1]),max(distances[2],distances[3]));int remaining[3];int rejected[3];int i,j,k;for(i=0,j=0,k=0;i<4;++i){if(distances[i]<maxDistance){remaining[j++]=i;}else{rejected[k++]=i;}}for(;j<3;++j){remaining[j]=rejected[--k];}vec3 s=vec3(samples[remaining[0]],samples[remaining[1]],samples[remaining[2]]);c=(s.x+s.y+s.z)/3.0;distances[0]=abs(c-s.x);distances[1]=abs(c-s.y);distances[2]=abs(c-s.z);float minDistance=min(distances[0],min(distances[1],distances[2]));for(i=0;i<3;++i){if(distances[i]==minDistance){break;}}return remaining[i];}void main(){float d[4];d[0]=readDepth(vUv0);d[1]=readDepth(vUv1);d[2]=readDepth(vUv2);d[3]=readDepth(vUv3);int index=findBestDepth(d);\\n#ifdef DOWNSAMPLE_NORMALS\\nvec2 uvs[4];uvs[0]=vUv0;uvs[1]=vUv1;uvs[2]=vUv2;uvs[3]=vUv3;vec3 n=texture2D(normalBuffer,uvs[index]).rgb;\\n#else\\nvec3 n=vec3(0.0);\\n#endif\\ngl_FragColor=vec4(n,d[index]);}\";\n\n// src/materials/glsl/depth-downsampling/shader.vert\nvar shader_default15 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=uv;vUv1=vec2(uv.x,uv.y+texelSize.y);vUv2=vec2(uv.x+texelSize.x,uv.y);vUv3=uv+texelSize;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthDownsamplingMaterial.js\nvar DepthDownsamplingMaterial = class extends ShaderMaterial9 {\n  constructor() {\n    super({\n      type: \"DepthDownsamplingMaterial\",\n      defines: {\n        DEPTH_PACKING: \"0\"\n      },\n      uniforms: {\n        depthBuffer: new Uniform9(null),\n        normalBuffer: new Uniform9(null),\n        texelSize: new Uniform9(new Vector25())\n      },\n      fragmentShader: shader_default14,\n      vertexShader: shader_default15,\n      blending: NoBlending9,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n  }\n};\n\n// src/materials/DepthMaskMaterial.js\nimport {\n  AlwaysDepth,\n  EqualDepth,\n  GreaterDepth,\n  GreaterEqualDepth,\n  LessDepth,\n  LessEqualDepth,\n  NeverDepth,\n  NoBlending as NoBlending10,\n  NotEqualDepth,\n  ShaderMaterial as ShaderMaterial10,\n  Uniform as Uniform10\n} from \"three\";\n\n// src/materials/glsl/depth-mask/shader.frag\nvar shader_default16 = \"#include <common>\\n#include <packing>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer0;uniform highp sampler2D depthBuffer1;\\n#else\\nuniform mediump sampler2D depthBuffer0;uniform mediump sampler2D depthBuffer1;\\n#endif\\nuniform sampler2D inputBuffer;uniform float bias0;uniform float bias1;varying vec2 vUv;void main(){vec2 depth;\\n#if DEPTH_PACKING_0 == 3201\\ndepth.x=unpackRGBAToDepth(texture2D(depthBuffer0,vUv));\\n#else\\ndepth.x=texture2D(depthBuffer0,vUv).r;\\n#endif\\n#if DEPTH_PACKING_1 == 3201\\ndepth.y=unpackRGBAToDepth(texture2D(depthBuffer1,vUv));\\n#else\\ndepth.y=texture2D(depthBuffer1,vUv).r;\\n#endif\\ndepth=clamp(depth+vec2(bias0,bias1),0.0,1.0);\\n#ifdef KEEP_FAR\\nbool keep=(depth.x==1.0)||depthTest(depth.x,depth.y);\\n#else\\nbool keep=(depth.x!=1.0)&&depthTest(depth.x,depth.y);\\n#endif\\nif(keep){gl_FragColor=texture2D(inputBuffer,vUv);}else{discard;}}\";\n\n// src/materials/DepthMaskMaterial.js\nvar DepthMaskMaterial = class extends ShaderMaterial10 {\n  constructor() {\n    super({\n      type: \"DepthMaskMaterial\",\n      defines: {\n        DEPTH_EPSILON: \"0.00001\",\n        DEPTH_PACKING_0: \"0\",\n        DEPTH_PACKING_1: \"0\",\n        KEEP_FAR: \"1\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform10(null),\n        depthBuffer0: new Uniform10(null),\n        depthBuffer1: new Uniform10(null),\n        bias0: new Uniform10(0),\n        bias1: new Uniform10(0)\n      },\n      fragmentShader: shader_default16,\n      vertexShader: shader_default2,\n      blending: NoBlending10,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.depthMode = LessDepth;\n    this.setDepthMode(LessDepth);\n  }\n  get keepFar() {\n    return this.defines.KEEP_FAR !== void 0;\n  }\n  set keepFar(value) {\n    if (value) {\n      this.defines.KEEP_FAR = \"1\";\n    } else {\n      delete this.defines.KEEP_FAR;\n    }\n    this.needsUpdate = true;\n  }\n  getEpsilon() {\n    return Number(this.defines.DEPTH_EPSILON);\n  }\n  setEpsilon(value) {\n    this.defines.DEPTH_EPSILON = value.toFixed(16);\n    this.needsUpdate = true;\n  }\n  getDepthMode() {\n    return this.depthMode;\n  }\n  setDepthMode(mode) {\n    let depthTest;\n    switch (mode) {\n      case NeverDepth:\n        depthTest = \"false\";\n        break;\n      case AlwaysDepth:\n        depthTest = \"true\";\n        break;\n      case EqualDepth:\n        depthTest = \"abs(d1 - d0) <= DEPTH_EPSILON\";\n        break;\n      case NotEqualDepth:\n        depthTest = \"abs(d1 - d0) > DEPTH_EPSILON\";\n        break;\n      case LessDepth:\n        depthTest = \"d0 > d1\";\n        break;\n      case LessEqualDepth:\n        depthTest = \"d0 >= d1\";\n        break;\n      case GreaterEqualDepth:\n        depthTest = \"d0 <= d1\";\n        break;\n      case GreaterDepth:\n      default:\n        depthTest = \"d0 < d1\";\n        break;\n    }\n    this.depthMode = mode;\n    this.defines[\"depthTest(d0, d1)\"] = depthTest;\n    this.needsUpdate = true;\n  }\n};\n\n// src/materials/EdgeDetectionMaterial.js\nimport { NoBlending as NoBlending11, ShaderMaterial as ShaderMaterial11, Uniform as Uniform11, Vector2 as Vector26 } from \"three\";\nvar EdgeDetectionMaterial = class extends ShaderMaterial11 {\n  constructor(texelSize = new Vector26(), mode = EdgeDetectionMode.COLOR) {\n    super({\n      type: \"EdgeDetectionMaterial\",\n      defines: {\n        LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n        EDGE_THRESHOLD: \"0.1\",\n        DEPTH_THRESHOLD: \"0.01\",\n        PREDICATION_MODE: \"0\",\n        PREDICATION_THRESHOLD: \"0.01\",\n        PREDICATION_SCALE: \"2.0\",\n        PREDICATION_STRENGTH: \"1.0\",\n        DEPTH_PACKING: \"0\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform11(null),\n        depthBuffer: new Uniform11(null),\n        predicationBuffer: new Uniform11(null),\n        texelSize: new Uniform11(texelSize)\n      },\n      fragmentShader: shader_default5,\n      vertexShader: shader_default6,\n      blending: NoBlending11,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.setEdgeDetectionMode(mode);\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setEdgeDetectionMode(mode) {\n    this.defines.EDGE_DETECTION_MODE = mode.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setLocalContrastAdaptationFactor(factor) {\n    this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = factor.toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n  setEdgeDetectionThreshold(threshold) {\n    this.defines.EDGE_THRESHOLD = threshold.toFixed(\"6\");\n    this.defines.DEPTH_THRESHOLD = (threshold * 0.1).toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n  setPredicationMode(mode) {\n    this.defines.PREDICATION_MODE = mode.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setPredicationBuffer(predicationBuffer) {\n    this.uniforms.predicationBuffer.value = predicationBuffer;\n  }\n  setPredicationThreshold(threshold) {\n    this.defines.PREDICATION_THRESHOLD = threshold.toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n  setPredicationScale(scale) {\n    this.defines.PREDICATION_SCALE = scale.toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n  setPredicationStrength(strength) {\n    this.defines.PREDICATION_STRENGTH = strength.toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n};\nvar EdgeDetectionMode = {\n  DEPTH: 0,\n  LUMA: 1,\n  COLOR: 2\n};\nvar PredicationMode = {\n  DISABLED: 0,\n  DEPTH: 1,\n  CUSTOM: 2\n};\n\n// src/materials/EffectMaterial.js\nimport { NoBlending as NoBlending12, PerspectiveCamera as PerspectiveCamera3, ShaderMaterial as ShaderMaterial12, Uniform as Uniform12, Vector2 as Vector27 } from \"three\";\n\n// src/materials/glsl/effect/shader.frag\nvar shader_default17 = \"#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}FRAGMENT_HEADvoid main(){FRAGMENT_MAIN_UVvec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGEgl_FragColor=color0;\\n#ifdef ENCODE_OUTPUT\\n#include <encodings_fragment>\\n#endif\\n#include <dithering_fragment>\\n}\";\n\n// src/materials/glsl/effect/shader.vert\nvar shader_default18 = \"uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EffectMaterial.js\nvar EffectMaterial = class extends ShaderMaterial12 {\n  constructor(shaderParts = null, defines = null, uniforms = null, camera, dithering = false) {\n    super({\n      type: \"EffectMaterial\",\n      defines: {\n        DEPTH_PACKING: \"0\",\n        ENCODE_OUTPUT: \"1\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform12(null),\n        depthBuffer: new Uniform12(null),\n        resolution: new Uniform12(new Vector27()),\n        texelSize: new Uniform12(new Vector27()),\n        cameraNear: new Uniform12(0.3),\n        cameraFar: new Uniform12(1e3),\n        aspect: new Uniform12(1),\n        time: new Uniform12(0)\n      },\n      blending: NoBlending12,\n      depthWrite: false,\n      depthTest: false,\n      dithering\n    });\n    this.toneMapped = false;\n    if (shaderParts !== null) {\n      this.setShaderParts(shaderParts);\n    }\n    if (defines !== null) {\n      this.setDefines(defines);\n    }\n    if (uniforms !== null) {\n      this.setUniforms(uniforms);\n    }\n    this.adoptCameraSettings(camera);\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setShaderParts(shaderParts) {\n    this.fragmentShader = shader_default17.replace(Section.FRAGMENT_HEAD, shaderParts.get(Section.FRAGMENT_HEAD)).replace(Section.FRAGMENT_MAIN_UV, shaderParts.get(Section.FRAGMENT_MAIN_UV)).replace(Section.FRAGMENT_MAIN_IMAGE, shaderParts.get(Section.FRAGMENT_MAIN_IMAGE));\n    this.vertexShader = shader_default18.replace(Section.VERTEX_HEAD, shaderParts.get(Section.VERTEX_HEAD)).replace(Section.VERTEX_MAIN_SUPPORT, shaderParts.get(Section.VERTEX_MAIN_SUPPORT));\n    this.needsUpdate = true;\n    return this;\n  }\n  setDefines(defines) {\n    for (const entry of defines.entries()) {\n      this.defines[entry[0]] = entry[1];\n    }\n    this.needsUpdate = true;\n    return this;\n  }\n  setUniforms(uniforms) {\n    for (const entry of uniforms.entries()) {\n      this.uniforms[entry[0]] = entry[1];\n    }\n    return this;\n  }\n  adoptCameraSettings(camera = null) {\n    if (camera !== null) {\n      this.uniforms.cameraNear.value = camera.near;\n      this.uniforms.cameraFar.value = camera.far;\n      if (camera instanceof PerspectiveCamera3) {\n        this.defines.PERSPECTIVE_CAMERA = \"1\";\n      } else {\n        delete this.defines.PERSPECTIVE_CAMERA;\n      }\n      this.needsUpdate = true;\n    }\n  }\n  setSize(width, height) {\n    const w = Math.max(width, 1);\n    const h = Math.max(height, 1);\n    this.uniforms.resolution.value.set(w, h);\n    this.uniforms.texelSize.value.set(1 / w, 1 / h);\n    this.uniforms.aspect.value = w / h;\n  }\n};\nvar Section = {\n  FRAGMENT_HEAD: \"FRAGMENT_HEAD\",\n  FRAGMENT_MAIN_UV: \"FRAGMENT_MAIN_UV\",\n  FRAGMENT_MAIN_IMAGE: \"FRAGMENT_MAIN_IMAGE\",\n  VERTEX_HEAD: \"VERTEX_HEAD\",\n  VERTEX_MAIN_SUPPORT: \"VERTEX_MAIN_SUPPORT\"\n};\n\n// src/materials/GodRaysMaterial.js\nimport { NoBlending as NoBlending13, ShaderMaterial as ShaderMaterial13, Uniform as Uniform13 } from \"three\";\n\n// src/materials/glsl/god-rays/shader.frag\nvar shader_default19 = \"#include <common>\\n#include <dithering_pars_fragment>\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 lightPosition;uniform float exposure;uniform float decay;uniform float density;uniform float weight;uniform float clampMax;varying vec2 vUv;void main(){vec2 coord=vUv;vec2 delta=lightPosition-coord;delta*=1.0/SAMPLES_FLOAT*density;float illuminationDecay=1.0;vec4 color=vec4(0.0);for(int i=0;i<SAMPLES_INT;++i){coord+=delta;vec4 texel=texture2D(inputBuffer,coord);texel*=illuminationDecay*weight;color+=texel;illuminationDecay*=decay;}gl_FragColor=clamp(color*exposure,0.0,clampMax);\\n#include <dithering_fragment>\\n}\";\n\n// src/materials/GodRaysMaterial.js\nvar GodRaysMaterial = class extends ShaderMaterial13 {\n  constructor(lightPosition) {\n    super({\n      type: \"GodRaysMaterial\",\n      defines: {\n        SAMPLES_INT: \"60\",\n        SAMPLES_FLOAT: \"60.0\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform13(null),\n        lightPosition: new Uniform13(lightPosition),\n        density: new Uniform13(1),\n        decay: new Uniform13(1),\n        weight: new Uniform13(1),\n        exposure: new Uniform13(1),\n        clampMax: new Uniform13(1)\n      },\n      fragmentShader: shader_default19,\n      vertexShader: shader_default2,\n      blending: NoBlending13,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n  get samples() {\n    return Number(this.defines.SAMPLES_INT);\n  }\n  set samples(value) {\n    const s = Math.floor(value);\n    this.defines.SAMPLES_INT = s.toFixed(0);\n    this.defines.SAMPLES_FLOAT = s.toFixed(1);\n    this.needsUpdate = true;\n  }\n};\n\n// src/materials/LuminanceMaterial.js\nimport { NoBlending as NoBlending14, ShaderMaterial as ShaderMaterial14, Uniform as Uniform14, Vector2 as Vector28 } from \"three\";\n\n// src/materials/glsl/luminance/shader.frag\nvar shader_default20 = \"#include <common>\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef RANGE\\nuniform vec2 range;\\n#elif defined(THRESHOLD)\\nuniform float threshold;uniform float smoothing;\\n#endif\\nvarying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=linearToRelativeLuminance(texel.rgb);\\n#ifdef RANGE\\nfloat low=step(range.x,l);float high=step(l,range.y);l*=low*high;\\n#elif defined(THRESHOLD)\\nl=smoothstep(threshold,threshold+smoothing,l);\\n#endif\\n#ifdef COLOR\\ngl_FragColor=vec4(texel.rgb*l,l);\\n#else\\ngl_FragColor=vec4(l);\\n#endif\\n}\";\n\n// src/materials/LuminanceMaterial.js\nvar LuminanceMaterial = class extends ShaderMaterial14 {\n  constructor(colorOutput = false, luminanceRange = null) {\n    const useRange = luminanceRange !== null;\n    super({\n      type: \"LuminanceMaterial\",\n      uniforms: {\n        inputBuffer: new Uniform14(null),\n        threshold: new Uniform14(0),\n        smoothing: new Uniform14(1),\n        range: new Uniform14(useRange ? luminanceRange : new Vector28())\n      },\n      fragmentShader: shader_default20,\n      vertexShader: shader_default2,\n      blending: NoBlending14,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.colorOutput = colorOutput;\n    this.useThreshold = true;\n    this.useRange = useRange;\n  }\n  get threshold() {\n    return this.uniforms.threshold.value;\n  }\n  set threshold(value) {\n    this.uniforms.threshold.value = value;\n  }\n  get smoothing() {\n    return this.uniforms.smoothing.value;\n  }\n  set smoothing(value) {\n    this.uniforms.smoothing.value = value;\n  }\n  get useThreshold() {\n    return this.defines.THRESHOLD !== void 0;\n  }\n  set useThreshold(value) {\n    if (value) {\n      this.defines.THRESHOLD = \"1\";\n    } else {\n      delete this.defines.THRESHOLD;\n    }\n    this.needsUpdate = true;\n  }\n  get colorOutput() {\n    return this.defines.COLOR !== void 0;\n  }\n  set colorOutput(value) {\n    if (value) {\n      this.defines.COLOR = \"1\";\n    } else {\n      delete this.defines.COLOR;\n    }\n    this.needsUpdate = true;\n  }\n  setColorOutputEnabled(enabled) {\n    this.colorOutput = enabled;\n  }\n  get useRange() {\n    return this.defines.RANGE !== void 0;\n  }\n  set useRange(value) {\n    if (value) {\n      this.defines.RANGE = \"1\";\n    } else {\n      delete this.defines.RANGE;\n    }\n    this.needsUpdate = true;\n  }\n  get luminanceRange() {\n    return this.useRange;\n  }\n  set luminanceRange(value) {\n    this.useRange = value;\n  }\n  setLuminanceRangeEnabled(enabled) {\n    this.useRange = enabled;\n  }\n};\n\n// src/materials/MaskMaterial.js\nimport { NoBlending as NoBlending15, ShaderMaterial as ShaderMaterial15, Uniform as Uniform15, UnsignedByteType } from \"three\";\n\n// src/materials/glsl/mask/shader.frag\nvar shader_default21 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef MASK_PRECISION_HIGH\\nuniform mediump sampler2D maskTexture;\\n#else\\nuniform lowp sampler2D maskTexture;\\n#endif\\n#if MASK_FUNCTION != 0\\nuniform float strength;\\n#endif\\nvarying vec2 vUv;void main(){\\n#if COLOR_CHANNEL == 0\\nfloat mask=texture2D(maskTexture,vUv).r;\\n#elif COLOR_CHANNEL == 1\\nfloat mask=texture2D(maskTexture,vUv).g;\\n#elif COLOR_CHANNEL == 2\\nfloat mask=texture2D(maskTexture,vUv).b;\\n#else\\nfloat mask=texture2D(maskTexture,vUv).a;\\n#endif\\n#if MASK_FUNCTION == 0\\n#ifdef INVERTED\\nmask=step(mask,0.0);\\n#else\\nmask=1.0-step(mask,0.0);\\n#endif\\n#else\\nmask=clamp(mask*strength,0.0,1.0);\\n#ifdef INVERTED\\nmask=1.0-mask;\\n#endif\\n#endif\\n#if MASK_FUNCTION == 2\\ngl_FragColor=vec4(mask*texture2D(inputBuffer,vUv).rgb,mask);\\n#else\\ngl_FragColor=mask*texture2D(inputBuffer,vUv);\\n#endif\\n}\";\n\n// src/materials/MaskMaterial.js\nvar MaskMaterial = class extends ShaderMaterial15 {\n  constructor(maskTexture = null) {\n    super({\n      type: \"MaskMaterial\",\n      uniforms: {\n        maskTexture: new Uniform15(maskTexture),\n        inputBuffer: new Uniform15(null),\n        strength: new Uniform15(1)\n      },\n      fragmentShader: shader_default21,\n      vertexShader: shader_default2,\n      blending: NoBlending15,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.colorChannel = ColorChannel.RED;\n    this.maskFunction = MaskFunction.DISCARD;\n  }\n  set maskTexture(value) {\n    this.uniforms.maskTexture.value = value;\n    delete this.defines.MASK_PRECISION_HIGH;\n    if (value.type !== UnsignedByteType) {\n      this.defines.MASK_PRECISION_HIGH = \"1\";\n    }\n    this.needsUpdate = true;\n  }\n  set colorChannel(value) {\n    this.defines.COLOR_CHANNEL = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  set maskFunction(value) {\n    this.defines.MASK_FUNCTION = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  get inverted() {\n    return this.defines.INVERTED !== void 0;\n  }\n  set inverted(value) {\n    if (this.inverted && !value) {\n      delete this.defines.INVERTED;\n    } else if (value) {\n      this.defines.INVERTED = \"1\";\n    }\n    this.needsUpdate = true;\n  }\n  get strength() {\n    return this.uniforms.strength.value;\n  }\n  set strength(value) {\n    this.uniforms.strength.value = value;\n  }\n};\nvar MaskFunction = {\n  DISCARD: 0,\n  MULTIPLY: 1,\n  MULTIPLY_RGB_SET_ALPHA: 2\n};\n\n// src/materials/OutlineMaterial.js\nimport { NoBlending as NoBlending16, ShaderMaterial as ShaderMaterial16, Uniform as Uniform16, Vector2 as Vector29 } from \"three\";\n\n// src/materials/glsl/outline/shader.frag\nvar shader_default22 = \"uniform lowp sampler2D inputBuffer;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 c0=texture2D(inputBuffer,vUv0).rg;vec2 c1=texture2D(inputBuffer,vUv1).rg;vec2 c2=texture2D(inputBuffer,vUv2).rg;vec2 c3=texture2D(inputBuffer,vUv3).rg;float d0=(c0.x-c1.x)*0.5;float d1=(c2.x-c3.x)*0.5;float d=length(vec2(d0,d1));float a0=min(c0.y,c1.y);float a1=min(c2.y,c3.y);float visibilityFactor=min(a0,a1);gl_FragColor.rg=(1.0-visibilityFactor>0.001)? vec2(d,0.0): vec2(0.0,d);}\";\n\n// src/materials/glsl/outline/shader.vert\nvar shader_default23 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=vec2(uv.x+texelSize.x,uv.y);vUv1=vec2(uv.x-texelSize.x,uv.y);vUv2=vec2(uv.x,uv.y+texelSize.y);vUv3=vec2(uv.x,uv.y-texelSize.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/OutlineMaterial.js\nvar OutlineMaterial = class extends ShaderMaterial16 {\n  constructor(texelSize = new Vector29()) {\n    super({\n      type: \"OutlineMaterial\",\n      uniforms: {\n        inputBuffer: new Uniform16(null),\n        texelSize: new Uniform16(new Vector29())\n      },\n      fragmentShader: shader_default22,\n      vertexShader: shader_default23,\n      blending: NoBlending16,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.setTexelSize(texelSize.x, texelSize.y);\n    this.uniforms.maskTexture = this.uniforms.inputBuffer;\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n  }\n};\nvar OutlineEdgesMaterial = OutlineMaterial;\n\n// src/materials/SMAAWeightsMaterial.js\nimport { NoBlending as NoBlending17, ShaderMaterial as ShaderMaterial17, Uniform as Uniform17, Vector2 as Vector210 } from \"three\";\n\n// src/materials/glsl/smaa-weights/shader.frag\nvar shader_default24 = \"#define sampleLevelZeroOffset(t, coord, offset) texture2D(t, coord + offset * texelSize)\\n#if __VERSION__ < 300\\n#define round(v) floor(v + 0.5)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D areaTexture;uniform lowp sampler2D searchTexture;uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}vec2 decodeDiagBilinearAccess(in vec2 e){e.r=e.r*abs(5.0*e.r-5.0*0.75);return round(e);}vec4 decodeDiagBilinearAccess(in vec4 e){e.rb=e.rb*abs(5.0*e.rb-5.0*0.75);return round(e);}vec2 searchDiag1(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);vec3 t=vec3(texelSize,1.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(coord.z<float(MAX_SEARCH_STEPS_DIAG_INT-1)&&coord.w>0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 searchDiag2(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);coord.x+=0.25*texelSize.x;vec3 t=vec3(texelSize,1.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(coord.z<float(MAX_SEARCH_STEPS_DIAG_INT-1)&&coord.w>0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;e=decodeDiagBilinearAccess(e);coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 areaDiag(const in vec2 dist,const in vec2 e,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE_DIAG,AREATEX_MAX_DISTANCE_DIAG)*e+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.x+=0.5;texCoord.y+=AREATEX_SUBTEX_SIZE*offset;return texture2D(areaTexture,texCoord).rg;}vec2 calculateDiagWeights(const in vec2 texCoord,const in vec2 e,const in vec4 subsampleIndices){vec2 weights=vec2(0.0);vec4 d;vec2 end;if(e.r>0.0){d.xz=searchDiag1(texCoord,vec2(-1.0,1.0),end);d.x+=float(end.y>0.9);}else{d.xz=vec2(0.0);}d.yw=searchDiag1(texCoord,vec2(1.0,-1.0),end);if(d.x+d.y>2.0){vec4 coords=vec4(-d.x+0.25,d.x,d.y,-d.y-0.25)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.xy=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).rg;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).rg;c.yxwz=decodeDiagBilinearAccess(c.xyzw);vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.z);}d.xz=searchDiag2(texCoord,vec2(-1.0,-1.0),end);if(sampleLevelZeroOffset(inputBuffer,texCoord,vec2(1,0)).r>0.0){d.yw=searchDiag2(texCoord,vec2(1.0),end);d.y+=float(end.y>0.9);}else{d.yw=vec2(0.0);}if(d.x+d.y>2.0){vec4 coords=vec4(-d.x,-d.x,d.y,d.y)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.x=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).g;c.y=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(0,-1)).r;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).gr;vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.w).gr;}return weights;}float searchLength(const in vec2 e,const in float offset){vec2 scale=SEARCHTEX_SIZE*vec2(0.5,-1.0);vec2 bias=SEARCHTEX_SIZE*vec2(offset,1.0);scale+=vec2(-1.0,1.0);bias+=vec2(0.5,-0.5);scale*=1.0/SEARCHTEX_PACKED_SIZE;bias*=1.0/SEARCHTEX_PACKED_SIZE;return texture2D(searchTexture,scale*e+bias).r;}float searchXLeft(in vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(texCoord.x>end&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(-2.0,0.0)*texelSize+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.0)+3.25;return texelSize.x*offset+texCoord.x;}float searchXRight(vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(texCoord.x<end&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(2.0,0.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.5)+3.25;return-texelSize.x*offset+texCoord.x;}float searchYUp(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(texCoord.y>end&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=-vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.0)+3.25;return texelSize.y*offset+texCoord.y;}float searchYDown(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;i++){if(!(texCoord.y<end&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.5)+3.25;return-texelSize.y*offset+texCoord.y;}vec2 area(const in vec2 dist,const in float e1,const in float e2,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE)*round(4.0*vec2(e1,e2))+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.y=AREATEX_SUBTEX_SIZE*offset+texCoord.y;return texture2D(areaTexture,texCoord).rg;}void detectHorizontalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,1)).r;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).r;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,-2)).r;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,-2)).r;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void detectVerticalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(1,0)).g;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).g;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(-2,0)).g;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(-2,1)).g;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void main(){vec4 weights=vec4(0.0);vec4 subsampleIndices=vec4(0.0);vec2 e=texture2D(inputBuffer,vUv).rg;if(e.g>0.0){\\n#if !defined(DISABLE_DIAG_DETECTION)\\nweights.rg=calculateDiagWeights(vUv,e,subsampleIndices);if(weights.r==-weights.g){\\n#endif\\nvec2 d;vec3 coords;coords.x=searchXLeft(vOffset[0].xy,vOffset[2].x);coords.y=vOffset[1].y;d.x=coords.x;float e1=texture2D(inputBuffer,coords.xy).r;coords.z=searchXRight(vOffset[0].zw,vOffset[2].y);d.y=coords.z;d=round(resolution.xx*d+-vPixCoord.xx);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.zy,vec2(1,0)).r;weights.rg=area(sqrtD,e1,e2,subsampleIndices.y);coords.y=vUv.y;detectHorizontalCornerPattern(weights.rg,coords.xyzy,d);\\n#if !defined(DISABLE_DIAG_DETECTION)\\n}else{e.r=0.0;}\\n#endif\\n}if(e.r>0.0){vec2 d;vec3 coords;coords.y=searchYUp(vOffset[1].xy,vOffset[2].z);coords.x=vOffset[0].x;d.x=coords.y;float e1=texture2D(inputBuffer,coords.xy).g;coords.z=searchYDown(vOffset[1].zw,vOffset[2].w);d.y=coords.z;d=round(resolution.yy*d-vPixCoord.yy);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.xz,vec2(0,1)).g;weights.ba=area(sqrtD,e1,e2,subsampleIndices.x);coords.x=vUv.x;detectVerticalCornerPattern(weights.ba,coords.xyxz,d);}gl_FragColor=weights;}\";\n\n// src/materials/glsl/smaa-weights/shader.vert\nvar shader_default25 = \"uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void main(){vUv=position.xy*0.5+0.5;vPixCoord=vUv*resolution;vOffset[0]=vUv.xyxy+texelSize.xyxy*vec4(-0.25,-0.125,1.25,-0.125);vOffset[1]=vUv.xyxy+texelSize.xyxy*vec4(-0.125,-0.25,-0.125,1.25);vOffset[2]=vec4(vOffset[0].xz,vOffset[1].yw)+vec4(-2.0,2.0,-2.0,2.0)*texelSize.xxyy*MAX_SEARCH_STEPS_FLOAT;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SMAAWeightsMaterial.js\nvar SMAAWeightsMaterial = class extends ShaderMaterial17 {\n  constructor(texelSize = new Vector210(), resolution = new Vector210()) {\n    super({\n      type: \"SMAAWeightsMaterial\",\n      defines: {\n        MAX_SEARCH_STEPS_INT: \"16\",\n        MAX_SEARCH_STEPS_FLOAT: \"16.0\",\n        MAX_SEARCH_STEPS_DIAG_INT: \"8\",\n        MAX_SEARCH_STEPS_DIAG_FLOAT: \"8.0\",\n        CORNER_ROUNDING: \"25\",\n        CORNER_ROUNDING_NORM: \"0.25\",\n        AREATEX_MAX_DISTANCE: \"16.0\",\n        AREATEX_MAX_DISTANCE_DIAG: \"20.0\",\n        AREATEX_PIXEL_SIZE: \"(1.0 / vec2(160.0, 560.0))\",\n        AREATEX_SUBTEX_SIZE: \"(1.0 / 7.0)\",\n        SEARCHTEX_SIZE: \"vec2(66.0, 33.0)\",\n        SEARCHTEX_PACKED_SIZE: \"vec2(64.0, 16.0)\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform17(null),\n        areaTexture: new Uniform17(null),\n        searchTexture: new Uniform17(null),\n        texelSize: new Uniform17(texelSize),\n        resolution: new Uniform17(resolution)\n      },\n      fragmentShader: shader_default24,\n      vertexShader: shader_default25,\n      blending: NoBlending17,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n  setOrthogonalSearchSteps(steps) {\n    const s = Math.min(Math.max(steps, 0), 112);\n    this.defines.MAX_SEARCH_STEPS_INT = s.toFixed(\"0\");\n    this.defines.MAX_SEARCH_STEPS_FLOAT = s.toFixed(\"1\");\n    this.needsUpdate = true;\n  }\n  setDiagonalSearchSteps(steps) {\n    const s = Math.min(Math.max(steps, 0), 20);\n    this.defines.MAX_SEARCH_STEPS_DIAG_INT = s.toFixed(\"0\");\n    this.defines.MAX_SEARCH_STEPS_DIAG_FLOAT = s.toFixed(\"1\");\n    this.needsUpdate = true;\n  }\n  setCornerRounding(rounding) {\n    const r = Math.min(Math.max(rounding, 0), 100);\n    this.defines.CORNER_ROUNDING = r.toFixed(\"4\");\n    this.defines.CORNER_ROUNDING_NORM = (r / 100).toFixed(\"4\");\n    this.needsUpdate = true;\n  }\n  get diagonalDetection() {\n    return this.defines.DISABLE_DIAG_DETECTION === void 0;\n  }\n  set diagonalDetection(value) {\n    if (value) {\n      delete this.defines.DISABLE_DIAG_DETECTION;\n    } else {\n      this.defines.DISABLE_DIAG_DETECTION = \"1\";\n    }\n    this.needsUpdate = true;\n  }\n  get cornerRounding() {\n    return this.defines.DISABLE_CORNER_DETECTION === void 0;\n  }\n  set cornerRounding(value) {\n    if (value) {\n      delete this.defines.DISABLE_CORNER_DETECTION;\n    } else {\n      this.defines.DISABLE_CORNER_DETECTION = \"1\";\n    }\n    this.needsUpdate = true;\n  }\n};\n\n// src/materials/SSAOMaterial.js\nimport {\n  Matrix4,\n  NoBlending as NoBlending18,\n  PerspectiveCamera as PerspectiveCamera4,\n  ShaderMaterial as ShaderMaterial18,\n  Uniform as Uniform18,\n  Vector2 as Vector211\n} from \"three\";\n\n// src/materials/glsl/ssao/shader.frag\nvar shader_default26 = \"#include <common>\\n#include <packing>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#ifndef NORMAL_DEPTH\\nuniform lowp sampler2D normalBuffer;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(normalDepthBuffer,uv));\\n#else\\nreturn texture2D(normalDepthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nuniform lowp sampler2D noiseTexture;uniform mat4 inverseProjectionMatrix;uniform mat4 projectionMatrix;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float minRadiusScale;uniform float intensity;uniform float fade;uniform float bias;uniform vec2 distanceCutoff;uniform vec2 proximityCutoff;varying vec2 vUv;varying vec2 vUv2;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}vec3 getViewPosition(const in vec2 screenPosition,const in float depth,const in float viewZ){vec4 clipPosition=vec4(vec3(screenPosition,depth)*2.0-1.0,1.0);float clipW=projectionMatrix[2][3]*viewZ+projectionMatrix[3][3];clipPosition*=clipW;return(inverseProjectionMatrix*clipPosition).xyz;}float getAmbientOcclusion(const in vec3 p,const in vec3 n,const in float depth,const in vec2 uv){\\n#ifdef DISTANCE_SCALING\\nfloat radiusScale=1.0-smoothstep(0.0,distanceCutoff.y,depth);radiusScale=radiusScale*(1.0-minRadiusScale)+minRadiusScale;float radius=RADIUS*radiusScale;\\n#else\\nfloat radius=RADIUS;\\n#endif\\nfloat noise=texture2D(noiseTexture,vUv2).r;float baseAngle=noise*PI2;float invSamples=1.0/SAMPLES_FLOAT;float rings=SPIRAL_TURNS*PI2;float occlusion=0.0;int taps=0;for(int i=0;i<SAMPLES_INT;++i){float alpha=(float(i)+0.5)*invSamples;float angle=alpha*rings+baseAngle;vec2 coord=alpha*radius*vec2(cos(angle),sin(angle))*texelSize+uv;if(coord.s<0.0||coord.s>1.0||coord.t<0.0||coord.t>1.0){continue;}\\n#ifdef NORMAL_DEPTH\\nfloat sampleDepth=texture2D(normalDepthBuffer,coord).a;\\n#else\\nfloat sampleDepth=readDepth(coord);\\n#endif\\nfloat viewZ=getViewZ(sampleDepth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearSampleDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearSampleDepth=sampleDepth;\\n#endif\\nfloat proximity=abs(depth-linearSampleDepth);if(proximity<proximityCutoff.y){float falloff=1.0-smoothstep(proximityCutoff.x,proximityCutoff.y,proximity);vec3 Q=getViewPosition(coord,sampleDepth,viewZ);vec3 v=Q-p;float vv=dot(v,v);float vn=dot(v,n)-bias;float f=max(RADIUS_SQ-vv,0.0)/RADIUS_SQ;occlusion+=(f*f*f*max(vn/(fade+vv),0.0))*falloff;}++taps;}return occlusion/(4.0*max(float(taps),1.0));}void main(){\\n#ifdef NORMAL_DEPTH\\nvec4 normalDepth=texture2D(normalDepthBuffer,vUv);\\n#else\\nvec4 normalDepth=vec4(texture2D(normalBuffer,vUv).rgb,readDepth(vUv));\\n#endif\\nfloat ao=1.0;float depth=normalDepth.a;float viewZ=getViewZ(depth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nif(linearDepth<distanceCutoff.y){vec3 viewPosition=getViewPosition(vUv,depth,viewZ);vec3 viewNormal=unpackRGBToNormal(normalDepth.rgb);ao-=getAmbientOcclusion(viewPosition,viewNormal,linearDepth,vUv);float d=smoothstep(distanceCutoff.x,distanceCutoff.y,linearDepth);ao=mix(ao,1.0,d);ao=clamp(pow(ao,abs(intensity)),0.0,1.0);}gl_FragColor.r=ao;}\";\n\n// src/materials/glsl/ssao/shader.vert\nvar shader_default27 = \"uniform vec2 noiseScale;varying vec2 vUv;varying vec2 vUv2;void main(){vUv=position.xy*0.5+0.5;vUv2=vUv*noiseScale;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SSAOMaterial.js\nvar SSAOMaterial = class extends ShaderMaterial18 {\n  constructor(camera) {\n    super({\n      type: \"SSAOMaterial\",\n      defines: {\n        SAMPLES_INT: \"0\",\n        SAMPLES_FLOAT: \"0.0\",\n        SPIRAL_TURNS: \"0.0\",\n        RADIUS: \"1.0\",\n        RADIUS_SQ: \"1.0\",\n        DISTANCE_SCALING: \"1\",\n        DEPTH_PACKING: \"0\"\n      },\n      uniforms: {\n        normalBuffer: new Uniform18(null),\n        normalDepthBuffer: new Uniform18(null),\n        noiseTexture: new Uniform18(null),\n        inverseProjectionMatrix: new Uniform18(new Matrix4()),\n        projectionMatrix: new Uniform18(new Matrix4()),\n        texelSize: new Uniform18(new Vector211()),\n        cameraNear: new Uniform18(0),\n        cameraFar: new Uniform18(0),\n        distanceCutoff: new Uniform18(new Vector211()),\n        proximityCutoff: new Uniform18(new Vector211()),\n        noiseScale: new Uniform18(new Vector211()),\n        minRadiusScale: new Uniform18(0.33),\n        intensity: new Uniform18(1),\n        fade: new Uniform18(0.01),\n        bias: new Uniform18(0)\n      },\n      fragmentShader: shader_default26,\n      vertexShader: shader_default27,\n      blending: NoBlending18,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.adoptCameraSettings(camera);\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n  }\n  adoptCameraSettings(camera = null) {\n    if (camera !== null) {\n      const uniforms = this.uniforms;\n      uniforms.cameraNear.value = camera.near;\n      uniforms.cameraFar.value = camera.far;\n      if (camera instanceof PerspectiveCamera4) {\n        this.defines.PERSPECTIVE_CAMERA = \"1\";\n      } else {\n        delete this.defines.PERSPECTIVE_CAMERA;\n      }\n      this.needsUpdate = true;\n    }\n  }\n};\n\n// src/passes/Pass.js\nimport {\n  BufferAttribute,\n  BufferGeometry,\n  Camera,\n  Mesh,\n  Scene\n} from \"three\";\nvar dummyCamera = new Camera();\nvar geometry = null;\nfunction getFullscreenTriangle() {\n  if (geometry === null) {\n    const vertices = new Float32Array([-1, -1, 0, 3, -1, 0, -1, 3, 0]);\n    const uvs = new Float32Array([0, 0, 2, 0, 0, 2]);\n    geometry = new BufferGeometry();\n    if (geometry.setAttribute !== void 0) {\n      geometry.setAttribute(\"position\", new BufferAttribute(vertices, 3));\n      geometry.setAttribute(\"uv\", new BufferAttribute(uvs, 2));\n    } else {\n      geometry.addAttribute(\"position\", new BufferAttribute(vertices, 3));\n      geometry.addAttribute(\"uv\", new BufferAttribute(uvs, 2));\n    }\n  }\n  return geometry;\n}\nvar Pass = class {\n  constructor(name = \"Pass\", scene = new Scene(), camera = dummyCamera) {\n    this.name = name;\n    this.scene = scene;\n    this.camera = camera;\n    this.screen = null;\n    this.rtt = true;\n    this.needsSwap = true;\n    this.needsDepthTexture = false;\n    this.enabled = true;\n  }\n  get renderToScreen() {\n    return !this.rtt;\n  }\n  set renderToScreen(value) {\n    if (this.rtt === value) {\n      const material = this.getFullscreenMaterial();\n      if (material !== null) {\n        material.needsUpdate = true;\n      }\n      this.rtt = !value;\n    }\n  }\n  getFullscreenMaterial() {\n    return this.screen !== null ? this.screen.material : null;\n  }\n  setFullscreenMaterial(material) {\n    let screen = this.screen;\n    if (screen !== null) {\n      screen.material = material;\n    } else {\n      screen = new Mesh(getFullscreenTriangle(), material);\n      screen.frustumCulled = false;\n      if (this.scene === null) {\n        this.scene = new Scene();\n      }\n      this.scene.add(screen);\n      this.screen = screen;\n    }\n  }\n  getDepthTexture() {\n    return null;\n  }\n  setDepthTexture(depthTexture, depthPacking = 0) {\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    throw new Error(\"Render method not implemented!\");\n  }\n  setSize(width, height) {\n  }\n  initialize(renderer, alpha, frameBufferType) {\n  }\n  dispose() {\n    const material = this.getFullscreenMaterial();\n    if (material !== null) {\n      material.dispose();\n    }\n    for (const key of Object.keys(this)) {\n      const property = this[key];\n      if (property !== null && typeof property.dispose === \"function\") {\n        if (property instanceof Scene) {\n          continue;\n        }\n        this[key].dispose();\n      }\n    }\n  }\n};\n\n// src/passes/SavePass.js\nimport {\n  LinearFilter,\n  RGBFormat,\n  UnsignedByteType as UnsignedByteType2,\n  WebGLRenderTarget\n} from \"three\";\nvar SavePass = class extends Pass {\n  constructor(renderTarget, resize = true) {\n    super(\"SavePass\");\n    this.setFullscreenMaterial(new CopyMaterial());\n    this.needsSwap = false;\n    this.renderTarget = renderTarget;\n    if (renderTarget === void 0) {\n      this.renderTarget = new WebGLRenderTarget(1, 1, {\n        minFilter: LinearFilter,\n        magFilter: LinearFilter,\n        stencilBuffer: false,\n        depthBuffer: false\n      });\n      this.renderTarget.texture.name = \"SavePass.Target\";\n    }\n    this.resize = resize;\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.inputBuffer.value = inputBuffer.texture;\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n    renderer.render(this.scene, this.camera);\n  }\n  setSize(width, height) {\n    if (this.resize) {\n      const w = Math.max(width, 1);\n      const h = Math.max(height, 1);\n      this.renderTarget.setSize(w, h);\n    }\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (!alpha && frameBufferType === UnsignedByteType2) {\n      this.renderTarget.texture.format = RGBFormat;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTarget.texture.type = frameBufferType;\n      if (frameBufferType !== UnsignedByteType2) {\n        const material = this.getFullscreenMaterial();\n        material.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n      }\n    }\n  }\n};\n\n// src/passes/AdaptiveLuminancePass.js\nvar AdaptiveLuminancePass = class extends Pass {\n  constructor(luminanceBuffer, {\n    minLuminance = 0.01,\n    adaptationRate = 1\n  } = {}) {\n    super(\"AdaptiveLuminancePass\");\n    this.setFullscreenMaterial(new AdaptiveLuminanceMaterial());\n    this.needsSwap = false;\n    this.renderTargetPrevious = new WebGLRenderTarget2(1, 1, {\n      minFilter: NearestFilter,\n      magFilter: NearestFilter,\n      type: HalfFloatType,\n      stencilBuffer: false,\n      depthBuffer: false,\n      format: RGBAFormat\n    });\n    this.renderTargetPrevious.texture.name = \"Luminance.Previous\";\n    const uniforms = this.getFullscreenMaterial().uniforms;\n    uniforms.luminanceBuffer0.value = this.renderTargetPrevious.texture;\n    uniforms.luminanceBuffer1.value = luminanceBuffer;\n    uniforms.minLuminance.value = minLuminance;\n    this.renderTargetAdapted = this.renderTargetPrevious.clone();\n    this.renderTargetAdapted.texture.name = \"Luminance.Adapted\";\n    this.savePass = new SavePass(this.renderTargetPrevious, false);\n    this.adaptationRate = adaptationRate;\n  }\n  get texture() {\n    return this.renderTargetAdapted.texture;\n  }\n  set mipLevel1x1(value) {\n    const material = this.getFullscreenMaterial();\n    material.defines.MIP_LEVEL_1X1 = value.toFixed(1);\n    material.needsUpdate = true;\n  }\n  get adaptationRate() {\n    return this.getFullscreenMaterial().uniforms.tau.value;\n  }\n  set adaptationRate(value) {\n    this.getFullscreenMaterial().uniforms.tau.value = value;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    this.getFullscreenMaterial().uniforms.deltaTime.value = deltaTime;\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTargetAdapted);\n    renderer.render(this.scene, this.camera);\n    this.savePass.render(renderer, this.renderTargetAdapted);\n  }\n};\n\n// src/passes/BlurPass.js\nimport {\n  LinearFilter as LinearFilter2,\n  RGBFormat as RGBFormat2,\n  UnsignedByteType as UnsignedByteType3,\n  WebGLRenderTarget as WebGLRenderTarget3\n} from \"three\";\n\n// src/core/Resizer.js\nimport { Vector2 as Vector212 } from \"three\";\nvar AUTO_SIZE = -1;\nvar Resizer = class {\n  constructor(resizable, width = AUTO_SIZE, height = AUTO_SIZE, scale = 1) {\n    this.resizable = resizable;\n    this.base = new Vector212(1, 1);\n    this.target = new Vector212(width, height);\n    this.s = scale;\n  }\n  get scale() {\n    return this.s;\n  }\n  set scale(value) {\n    this.s = value;\n    this.target.x = AUTO_SIZE;\n    this.target.y = AUTO_SIZE;\n    this.resizable.setSize(this.base.x, this.base.y);\n  }\n  get width() {\n    const base = this.base;\n    const target = this.target;\n    let result;\n    if (target.x !== AUTO_SIZE) {\n      result = target.x;\n    } else if (target.y !== AUTO_SIZE) {\n      result = Math.round(target.y * (base.x / base.y));\n    } else {\n      result = Math.round(base.x * this.s);\n    }\n    return result;\n  }\n  set width(value) {\n    this.target.x = value;\n    this.resizable.setSize(this.base.x, this.base.y);\n  }\n  get height() {\n    const base = this.base;\n    const target = this.target;\n    let result;\n    if (target.y !== AUTO_SIZE) {\n      result = target.y;\n    } else if (target.x !== AUTO_SIZE) {\n      result = Math.round(target.x / (base.x / base.y));\n    } else {\n      result = Math.round(base.y * this.s);\n    }\n    return result;\n  }\n  set height(value) {\n    this.target.y = value;\n    this.resizable.setSize(this.base.x, this.base.y);\n  }\n  static get AUTO_SIZE() {\n    return AUTO_SIZE;\n  }\n};\n\n// src/passes/BlurPass.js\nvar BlurPass = class extends Pass {\n  constructor({\n    resolutionScale = 0.5,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    kernelSize = KernelSize.LARGE\n  } = {}) {\n    super(\"BlurPass\");\n    this.renderTargetA = new WebGLRenderTarget3(1, 1, {\n      minFilter: LinearFilter2,\n      magFilter: LinearFilter2,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTargetA.texture.name = \"Blur.Target.A\";\n    this.renderTargetB = this.renderTargetA.clone();\n    this.renderTargetB.texture.name = \"Blur.Target.B\";\n    this.resolution = new Resizer(this, width, height, resolutionScale);\n    this.convolutionMaterial = new ConvolutionMaterial();\n    this.ditheredConvolutionMaterial = new ConvolutionMaterial();\n    this.ditheredConvolutionMaterial.dithering = true;\n    this.dithering = false;\n    this.kernelSize = kernelSize;\n  }\n  get width() {\n    return this.resolution.width;\n  }\n  set width(value) {\n    this.resolution.width = value;\n  }\n  get height() {\n    return this.resolution.height;\n  }\n  set height(value) {\n    this.resolution.height = value;\n  }\n  get scale() {\n    return this.convolutionMaterial.uniforms.scale.value;\n  }\n  set scale(value) {\n    this.convolutionMaterial.uniforms.scale.value = value;\n    this.ditheredConvolutionMaterial.uniforms.scale.value = value;\n  }\n  get kernelSize() {\n    return this.convolutionMaterial.kernelSize;\n  }\n  set kernelSize(value) {\n    this.convolutionMaterial.kernelSize = value;\n    this.ditheredConvolutionMaterial.kernelSize = value;\n  }\n  getResolutionScale() {\n    return this.resolution.scale;\n  }\n  setResolutionScale(scale) {\n    this.resolution.scale = scale;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const scene = this.scene;\n    const camera = this.camera;\n    const renderTargetA = this.renderTargetA;\n    const renderTargetB = this.renderTargetB;\n    let material = this.convolutionMaterial;\n    let uniforms = material.uniforms;\n    const kernel = material.getKernel();\n    let lastRT = inputBuffer;\n    let destRT;\n    let i, l;\n    this.setFullscreenMaterial(material);\n    for (i = 0, l = kernel.length - 1; i < l; ++i) {\n      destRT = (i & 1) === 0 ? renderTargetA : renderTargetB;\n      uniforms.kernel.value = kernel[i];\n      uniforms.inputBuffer.value = lastRT.texture;\n      renderer.setRenderTarget(destRT);\n      renderer.render(scene, camera);\n      lastRT = destRT;\n    }\n    if (this.dithering) {\n      material = this.ditheredConvolutionMaterial;\n      uniforms = material.uniforms;\n      this.setFullscreenMaterial(material);\n    }\n    uniforms.kernel.value = kernel[i];\n    uniforms.inputBuffer.value = lastRT.texture;\n    renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n    renderer.render(scene, camera);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    const w = resolution.width;\n    const h = resolution.height;\n    this.renderTargetA.setSize(w, h);\n    this.renderTargetB.setSize(w, h);\n    this.convolutionMaterial.setTexelSize(1 / w, 1 / h);\n    this.ditheredConvolutionMaterial.setTexelSize(1 / w, 1 / h);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (!alpha && frameBufferType === UnsignedByteType3) {\n      this.renderTargetA.texture.format = RGBFormat2;\n      this.renderTargetB.texture.format = RGBFormat2;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTargetA.texture.type = frameBufferType;\n      this.renderTargetB.texture.type = frameBufferType;\n      if (frameBufferType !== UnsignedByteType3) {\n        const m0 = this.convolutionMaterial;\n        const m1 = this.ditheredConvolutionMaterial;\n        m0.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n        m1.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n      }\n    }\n  }\n  static get AUTO_SIZE() {\n    return Resizer.AUTO_SIZE;\n  }\n};\n\n// src/passes/ClearMaskPass.js\nvar ClearMaskPass = class extends Pass {\n  constructor() {\n    super(\"ClearMaskPass\", null, null);\n    this.needsSwap = false;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const stencil = renderer.state.buffers.stencil;\n    stencil.setLocked(false);\n    stencil.setTest(false);\n  }\n};\n\n// src/passes/ClearPass.js\nimport { Color } from \"three\";\nvar color = new Color();\nvar ClearPass = class extends Pass {\n  constructor(color2 = true, depth = true, stencil = false) {\n    super(\"ClearPass\", null, null);\n    this.needsSwap = false;\n    this.color = color2;\n    this.depth = depth;\n    this.stencil = stencil;\n    this.overrideClearColor = null;\n    this.overrideClearAlpha = -1;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const overrideClearColor = this.overrideClearColor;\n    const overrideClearAlpha = this.overrideClearAlpha;\n    const clearAlpha = renderer.getClearAlpha();\n    const hasOverrideClearColor = overrideClearColor !== null;\n    const hasOverrideClearAlpha = overrideClearAlpha >= 0;\n    if (hasOverrideClearColor) {\n      color.copy(renderer.getClearColor(color));\n      renderer.setClearColor(overrideClearColor, hasOverrideClearAlpha ? overrideClearAlpha : clearAlpha);\n    } else if (hasOverrideClearAlpha) {\n      renderer.setClearAlpha(overrideClearAlpha);\n    }\n    renderer.setRenderTarget(this.renderToScreen ? null : inputBuffer);\n    renderer.clear(this.color, this.depth, this.stencil);\n    if (hasOverrideClearColor) {\n      renderer.setClearColor(color, clearAlpha);\n    } else if (hasOverrideClearAlpha) {\n      renderer.setClearAlpha(clearAlpha);\n    }\n  }\n};\n\n// src/passes/DepthPass.js\nimport {\n  Color as Color2,\n  MeshDepthMaterial,\n  NearestFilter as NearestFilter2,\n  RGBADepthPacking,\n  WebGLRenderTarget as WebGLRenderTarget4\n} from \"three\";\n\n// src/core/OverrideMaterialManager.js\nimport { BackSide, DoubleSide, FrontSide } from \"three\";\nvar workaroundEnabled = false;\nvar OverrideMaterialManager = class {\n  constructor(material = null) {\n    this.originalMaterials = new Map();\n    this.material = null;\n    this.materials = null;\n    this.materialsBackSide = null;\n    this.materialsDoubleSide = null;\n    this.materialsFlatShaded = null;\n    this.materialsFlatShadedBackSide = null;\n    this.materialsFlatShadedDoubleSide = null;\n    this.setMaterial(material);\n    this.meshCount = 0;\n    this.replaceMaterial = (node) => {\n      if (node.isMesh) {\n        let materials;\n        if (node.material.flatShading) {\n          switch (node.material.side) {\n            case DoubleSide:\n              materials = this.materialsFlatShadedDoubleSide;\n              break;\n            case BackSide:\n              materials = this.materialsFlatShadedBackSide;\n              break;\n            default:\n              materials = this.materialsFlatShaded;\n              break;\n          }\n        } else {\n          switch (node.material.side) {\n            case DoubleSide:\n              materials = this.materialsDoubleSide;\n              break;\n            case BackSide:\n              materials = this.materialsBackSide;\n              break;\n            default:\n              materials = this.materials;\n              break;\n          }\n        }\n        this.originalMaterials.set(node, node.material);\n        if (node.isSkinnedMesh) {\n          node.material = materials[2];\n        } else if (node.isInstancedMesh) {\n          node.material = materials[1];\n        } else {\n          node.material = materials[0];\n        }\n        ++this.meshCount;\n      }\n    };\n  }\n  setMaterial(material) {\n    this.disposeMaterials();\n    this.material = material;\n    if (material !== null) {\n      const materials = this.materials = [\n        material.clone(),\n        material.clone(),\n        material.clone()\n      ];\n      for (const m2 of materials) {\n        m2.uniforms = Object.assign({}, material.uniforms);\n        m2.side = FrontSide;\n      }\n      materials[2].skinning = true;\n      this.materialsBackSide = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.side = BackSide;\n        return c2;\n      });\n      this.materialsDoubleSide = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.side = DoubleSide;\n        return c2;\n      });\n      this.materialsFlatShaded = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.flatShading = true;\n        return c2;\n      });\n      this.materialsFlatShadedBackSide = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.flatShading = true;\n        c2.side = BackSide;\n        return c2;\n      });\n      this.materialsFlatShadedDoubleSide = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.flatShading = true;\n        c2.side = DoubleSide;\n        return c2;\n      });\n    }\n  }\n  render(renderer, scene, camera) {\n    const shadowMapEnabled = renderer.shadowMap.enabled;\n    renderer.shadowMap.enabled = false;\n    if (workaroundEnabled) {\n      const originalMaterials = this.originalMaterials;\n      this.meshCount = 0;\n      scene.traverse(this.replaceMaterial);\n      renderer.render(scene, camera);\n      for (const entry of originalMaterials) {\n        entry[0].material = entry[1];\n      }\n      if (this.meshCount !== originalMaterials.size) {\n        originalMaterials.clear();\n      }\n    } else {\n      const overrideMaterial = scene.overrideMaterial;\n      scene.overrideMaterial = this.material;\n      renderer.render(scene, camera);\n      scene.overrideMaterial = overrideMaterial;\n    }\n    renderer.shadowMap.enabled = shadowMapEnabled;\n  }\n  disposeMaterials() {\n    if (this.material !== null) {\n      const materials = this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);\n      for (const m2 of materials) {\n        m2.dispose();\n      }\n    }\n  }\n  dispose() {\n    this.originalMaterials.clear();\n    this.disposeMaterials();\n  }\n  static get workaroundEnabled() {\n    return workaroundEnabled;\n  }\n  static set workaroundEnabled(value) {\n    workaroundEnabled = value;\n  }\n};\n\n// src/passes/RenderPass.js\nvar RenderPass = class extends Pass {\n  constructor(scene, camera, overrideMaterial = null) {\n    super(\"RenderPass\", scene, camera);\n    this.needsSwap = false;\n    this.clearPass = new ClearPass();\n    this.overrideMaterialManager = overrideMaterial === null ? null : new OverrideMaterialManager(overrideMaterial);\n  }\n  get renderToScreen() {\n    return super.renderToScreen;\n  }\n  set renderToScreen(value) {\n    super.renderToScreen = value;\n    this.clearPass.renderToScreen = value;\n  }\n  get overrideMaterial() {\n    const manager = this.overrideMaterialManager;\n    return manager !== null ? manager.material : null;\n  }\n  set overrideMaterial(value) {\n    const manager = this.overrideMaterialManager;\n    if (value !== null) {\n      if (manager !== null) {\n        manager.setMaterial(value);\n      } else {\n        this.overrideMaterialManager = new OverrideMaterialManager(value);\n      }\n    } else if (manager !== null) {\n      manager.dispose();\n      this.overrideMaterialManager = null;\n    }\n  }\n  get clear() {\n    return this.clearPass.enabled;\n  }\n  set clear(value) {\n    this.clearPass.enabled = value;\n  }\n  getClearPass() {\n    return this.clearPass;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const scene = this.scene;\n    const camera = this.camera;\n    const background = scene.background;\n    const renderTarget = this.renderToScreen ? null : inputBuffer;\n    if (this.clear) {\n      if (this.clearPass.overrideClearColor !== null) {\n        scene.background = null;\n      }\n      this.clearPass.render(renderer, inputBuffer);\n    }\n    renderer.setRenderTarget(renderTarget);\n    if (this.overrideMaterialManager !== null) {\n      this.overrideMaterialManager.render(renderer, scene, camera);\n    } else {\n      renderer.render(scene, camera);\n    }\n    if (scene.background !== background) {\n      scene.background = background;\n    }\n  }\n};\n\n// src/passes/DepthPass.js\nvar DepthPass = class extends Pass {\n  constructor(scene, camera, {\n    resolutionScale = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    renderTarget\n  } = {}) {\n    super(\"DepthPass\");\n    this.needsSwap = false;\n    this.renderPass = new RenderPass(scene, camera, new MeshDepthMaterial({\n      depthPacking: RGBADepthPacking\n    }));\n    const clearPass = this.renderPass.getClearPass();\n    clearPass.overrideClearColor = new Color2(16777215);\n    clearPass.overrideClearAlpha = 1;\n    this.renderTarget = renderTarget;\n    if (this.renderTarget === void 0) {\n      this.renderTarget = new WebGLRenderTarget4(1, 1, {\n        minFilter: NearestFilter2,\n        magFilter: NearestFilter2,\n        stencilBuffer: false\n      });\n      this.renderTarget.texture.name = \"DepthPass.Target\";\n    }\n    this.resolution = new Resizer(this, width, height, resolutionScale);\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  getResolutionScale() {\n    return this.resolutionScale;\n  }\n  setResolutionScale(scale) {\n    this.resolutionScale = scale;\n    this.setSize(this.resolution.base.x, this.resolution.base.y);\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const renderTarget = this.renderToScreen ? null : this.renderTarget;\n    this.renderPass.render(renderer, renderTarget);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    this.renderTarget.setSize(resolution.width, resolution.height);\n  }\n};\n\n// src/passes/DepthDownsamplingPass.js\nimport {\n  BasicDepthPacking,\n  FloatType,\n  NearestFilter as NearestFilter3,\n  WebGLRenderTarget as WebGLRenderTarget5\n} from \"three\";\nvar DepthDownsamplingPass = class extends Pass {\n  constructor({\n    normalBuffer = null,\n    resolutionScale = 0.5,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE\n  } = {}) {\n    super(\"DepthDownsamplingPass\");\n    this.setFullscreenMaterial(new DepthDownsamplingMaterial());\n    this.needsDepthTexture = true;\n    this.needsSwap = false;\n    if (normalBuffer !== null) {\n      const material = this.getFullscreenMaterial();\n      material.uniforms.normalBuffer.value = normalBuffer;\n      material.defines.DOWNSAMPLE_NORMALS = \"1\";\n    }\n    this.renderTarget = new WebGLRenderTarget5(1, 1, {\n      minFilter: NearestFilter3,\n      magFilter: NearestFilter3,\n      stencilBuffer: false,\n      depthBuffer: false,\n      type: FloatType\n    });\n    this.renderTarget.texture.name = \"DepthDownsamplingPass.Target\";\n    this.renderTarget.texture.generateMipmaps = false;\n    this.resolution = new Resizer(this, width, height);\n    this.resolution.scale = resolutionScale;\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.depthPacking = depthPacking;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n    renderer.render(this.scene, this.camera);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    this.getFullscreenMaterial().setTexelSize(1 / width, 1 / height);\n    this.renderTarget.setSize(resolution.width, resolution.height);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (!renderer.capabilities.isWebGL2) {\n      console.error(\"The DepthDownsamplingPass requires WebGL 2\");\n    }\n  }\n};\n\n// src/passes/DepthPickingPass.js\nimport { FloatType as FloatType3, RGBADepthPacking as RGBADepthPacking3 } from \"three\";\n\n// src/passes/DepthSavePass.js\nimport {\n  BasicDepthPacking as BasicDepthPacking2,\n  FloatType as FloatType2,\n  NearestFilter as NearestFilter4,\n  RGBADepthPacking as RGBADepthPacking2,\n  UnsignedByteType as UnsignedByteType4,\n  WebGLRenderTarget as WebGLRenderTarget6\n} from \"three\";\nvar DepthSavePass = class extends Pass {\n  constructor({ depthPacking = RGBADepthPacking2 } = {}) {\n    super(\"DepthSavePass\");\n    const material = new DepthCopyMaterial();\n    material.setOutputDepthPacking(depthPacking);\n    this.setFullscreenMaterial(material);\n    this.needsDepthTexture = true;\n    this.needsSwap = false;\n    this.renderTarget = new WebGLRenderTarget6(1, 1, {\n      type: depthPacking === RGBADepthPacking2 ? UnsignedByteType4 : FloatType2,\n      minFilter: NearestFilter4,\n      magFilter: NearestFilter4,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTarget.texture.name = \"DepthSavePass.Target\";\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  get depthPacking() {\n    return this.getFullscreenMaterial().getOutputDepthPacking();\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking2) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.setInputDepthPacking(depthPacking);\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n    renderer.render(this.scene, this.camera);\n  }\n  setSize(width, height) {\n    this.renderTarget.setSize(width, height);\n  }\n};\n\n// src/passes/DepthPickingPass.js\nvar unpackFactors = new Float32Array([\n  255 / 256 / 256 ** 3,\n  255 / 256 / 256 ** 2,\n  255 / 256 / 256,\n  255 / 256\n]);\nfunction unpackRGBAToDepth(packedDepth) {\n  return (packedDepth[0] * unpackFactors[0] + packedDepth[1] * unpackFactors[1] + packedDepth[2] * unpackFactors[2] + packedDepth[3] * unpackFactors[3]) / 256;\n}\nvar DepthPickingPass = class extends DepthSavePass {\n  constructor({\n    depthPacking = RGBADepthPacking3,\n    mode = DepthCopyMode.SINGLE\n  } = {}) {\n    super({ depthPacking });\n    this.name = \"DepthPickingPass\";\n    this.getFullscreenMaterial().setMode(mode);\n    this.pixelBuffer = depthPacking === RGBADepthPacking3 ? new Uint8Array(4) : new Float32Array(4);\n    this.callback = null;\n  }\n  get mode() {\n    return this.getFullscreenMaterial().getMode();\n  }\n  get screenPosition() {\n    return this.getFullscreenMaterial().uniforms.screenPosition.value;\n  }\n  readDepth(ndc) {\n    this.screenPosition.set(ndc.x * 0.5 + 0.5, ndc.y * 0.5 + 0.5);\n    return new Promise((resolve) => {\n      this.callback = resolve;\n    });\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    if (this.mode === DepthCopyMode.FULL) {\n      super.render(renderer);\n    }\n    if (this.callback !== null) {\n      const renderTarget = this.renderTarget;\n      const pixelBuffer = this.pixelBuffer;\n      const packed = renderTarget.texture.type !== FloatType3;\n      let x = 0, y = 0;\n      if (this.mode === DepthCopyMode.SINGLE) {\n        super.render(renderer);\n      } else {\n        const screenPosition = this.screenPosition;\n        x = Math.round(screenPosition.x * renderTarget.width);\n        y = Math.round(screenPosition.y * renderTarget.height);\n      }\n      renderer.readRenderTargetPixels(renderTarget, x, y, 1, 1, pixelBuffer);\n      this.callback(packed ? unpackRGBAToDepth(pixelBuffer) : pixelBuffer[0]);\n      this.callback = null;\n    }\n  }\n  setSize(width, height) {\n    if (this.mode === DepthCopyMode.FULL) {\n      super.setSize(width, height);\n    }\n  }\n};\n\n// src/passes/EffectPass.js\nimport { BasicDepthPacking as BasicDepthPacking3, UnsignedByteType as UnsignedByteType5 } from \"three\";\n\n// src/effects/blending/BlendFunction.js\nvar BlendFunction = {\n  SKIP: 0,\n  ADD: 1,\n  ALPHA: 2,\n  AVERAGE: 3,\n  COLOR_BURN: 4,\n  COLOR_DODGE: 5,\n  DARKEN: 6,\n  DIFFERENCE: 7,\n  EXCLUSION: 8,\n  LIGHTEN: 9,\n  MULTIPLY: 10,\n  DIVIDE: 11,\n  NEGATION: 12,\n  NORMAL: 13,\n  OVERLAY: 14,\n  REFLECT: 15,\n  SCREEN: 16,\n  SOFT_LIGHT: 17,\n  SUBTRACT: 18\n};\n\n// src/effects/blending/BlendMode.js\nimport { EventDispatcher, Uniform as Uniform19 } from \"three\";\n\n// src/effects/blending/glsl/add/shader.frag\nvar shader_default28 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return min(x+y,1.0)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/alpha/shader.frag\nvar shader_default29 = \"vec3 blend(const in vec3 x,const in vec3 y,const in float opacity){return y*opacity+x*(1.0-opacity);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){float a=min(y.a,opacity);return vec4(blend(x.rgb,y.rgb,a),max(x.a,a));}\";\n\n// src/effects/blending/glsl/average/shader.frag\nvar shader_default30 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(x+y)*0.5*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/color-burn/shader.frag\nvar shader_default31 = \"float blend(const in float x,const in float y){return(y==0.0)? y : max(1.0-(1.0-x)/y,0.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/color-dodge/shader.frag\nvar shader_default32 = \"float blend(const in float x,const in float y){return(y==1.0)? y : min(x/(1.0-y),1.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/darken/shader.frag\nvar shader_default33 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return min(x,y)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/difference/shader.frag\nvar shader_default34 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return abs(x-y)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/exclusion/shader.frag\nvar shader_default35 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(x+y-2.0*x*y)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/lighten/shader.frag\nvar shader_default36 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return max(x,y)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/multiply/shader.frag\nvar shader_default37 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return x*y*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/divide/shader.frag\nvar shader_default38 = \"float blend(const in float x,const in float y){return(y>0.0)? min(x/y,1.0): 1.0;}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/negation/shader.frag\nvar shader_default39 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(1.0-abs(1.0-x-y))*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/normal/shader.frag\nvar shader_default40 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/overlay/shader.frag\nvar shader_default41 = \"float blend(const in float x,const in float y){return(x<0.5)?(2.0*x*y):(1.0-2.0*(1.0-x)*(1.0-y));}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/reflect/shader.frag\nvar shader_default42 = \"float blend(const in float x,const in float y){return(y==1.0)? y : min(x*x/(1.0-y),1.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/screen/shader.frag\nvar shader_default43 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(1.0-(1.0-x)*(1.0-y))*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/soft-light/shader.frag\nvar shader_default44 = \"float blend(const in float x,const in float y){return(y<0.5)?(2.0*x*y+x*x*(1.0-2.0*y)):(sqrt(x)*(2.0*y-1.0)+2.0*x*(1.0-y));}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/subtract/shader.frag\nvar shader_default45 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return max(x+y-1.0,0.0)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/BlendMode.js\nvar blendFunctions = new Map([\n  [BlendFunction.SKIP, null],\n  [BlendFunction.ADD, shader_default28],\n  [BlendFunction.ALPHA, shader_default29],\n  [BlendFunction.AVERAGE, shader_default30],\n  [BlendFunction.COLOR_BURN, shader_default31],\n  [BlendFunction.COLOR_DODGE, shader_default32],\n  [BlendFunction.DARKEN, shader_default33],\n  [BlendFunction.DIFFERENCE, shader_default34],\n  [BlendFunction.EXCLUSION, shader_default35],\n  [BlendFunction.LIGHTEN, shader_default36],\n  [BlendFunction.MULTIPLY, shader_default37],\n  [BlendFunction.DIVIDE, shader_default38],\n  [BlendFunction.NEGATION, shader_default39],\n  [BlendFunction.NORMAL, shader_default40],\n  [BlendFunction.OVERLAY, shader_default41],\n  [BlendFunction.REFLECT, shader_default42],\n  [BlendFunction.SCREEN, shader_default43],\n  [BlendFunction.SOFT_LIGHT, shader_default44],\n  [BlendFunction.SUBTRACT, shader_default45]\n]);\nvar BlendMode = class extends EventDispatcher {\n  constructor(blendFunction, opacity = 1) {\n    super();\n    this.blendFunction = blendFunction;\n    this.opacity = new Uniform19(opacity);\n  }\n  getBlendFunction() {\n    return this.blendFunction;\n  }\n  setBlendFunction(blendFunction) {\n    this.blendFunction = blendFunction;\n    this.dispatchEvent({ type: \"change\" });\n  }\n  getShaderCode() {\n    return blendFunctions.get(this.blendFunction);\n  }\n};\n\n// src/effects/Effect.js\nimport { EventDispatcher as EventDispatcher2, Scene as Scene2 } from \"three\";\nvar Effect = class extends EventDispatcher2 {\n  constructor(name, fragmentShader, {\n    attributes = EffectAttribute.NONE,\n    blendFunction = BlendFunction.SCREEN,\n    defines = new Map(),\n    uniforms = new Map(),\n    extensions = null,\n    vertexShader = null\n  } = {}) {\n    super();\n    this.name = name;\n    this.attributes = attributes;\n    this.fragmentShader = fragmentShader;\n    this.vertexShader = vertexShader;\n    this.defines = defines;\n    this.uniforms = uniforms;\n    this.extensions = extensions;\n    this.blendMode = new BlendMode(blendFunction);\n    this.blendMode.addEventListener(\"change\", (event) => this.setChanged());\n  }\n  setChanged() {\n    this.dispatchEvent({ type: \"change\" });\n  }\n  getAttributes() {\n    return this.attributes;\n  }\n  setAttributes(attributes) {\n    this.attributes = attributes;\n    this.setChanged();\n  }\n  getFragmentShader() {\n    return this.fragmentShader;\n  }\n  setFragmentShader(fragmentShader) {\n    this.fragmentShader = fragmentShader;\n    this.setChanged();\n  }\n  getVertexShader() {\n    return this.vertexShader;\n  }\n  setVertexShader(vertexShader) {\n    this.vertexShader = vertexShader;\n    this.setChanged();\n  }\n  setDepthTexture(depthTexture, depthPacking = 0) {\n  }\n  update(renderer, inputBuffer, deltaTime) {\n  }\n  setSize(width, height) {\n  }\n  initialize(renderer, alpha, frameBufferType) {\n  }\n  dispose() {\n    for (const key of Object.keys(this)) {\n      const property = this[key];\n      if (property !== null && typeof property.dispose === \"function\") {\n        if (property instanceof Scene2) {\n          continue;\n        }\n        this[key].dispose();\n      }\n    }\n  }\n};\nvar EffectAttribute = {\n  NONE: 0,\n  DEPTH: 1,\n  CONVOLUTION: 2\n};\nvar WebGLExtension = {\n  DERIVATIVES: \"derivatives\",\n  FRAG_DEPTH: \"fragDepth\",\n  DRAW_BUFFERS: \"drawBuffers\",\n  SHADER_TEXTURE_LOD: \"shaderTextureLOD\"\n};\n\n// src/passes/EffectPass.js\nfunction findSubstrings(regExp, string) {\n  const substrings = [];\n  let result;\n  while ((result = regExp.exec(string)) !== null) {\n    substrings.push(result[1]);\n  }\n  return substrings;\n}\nfunction prefixSubstrings(prefix, substrings, strings) {\n  let prefixed, regExp;\n  for (const substring of substrings) {\n    prefixed = \"$1\" + prefix + substring.charAt(0).toUpperCase() + substring.slice(1);\n    regExp = new RegExp(\"([^\\\\.])(\\\\b\" + substring + \"\\\\b)\", \"g\");\n    for (const entry of strings.entries()) {\n      if (entry[1] !== null) {\n        strings.set(entry[0], entry[1].replace(regExp, prefixed));\n      }\n    }\n  }\n}\nfunction integrateEffect(prefix, effect, shaderParts, blendModes, defines, uniforms, attributes) {\n  const functionRegExp = /(?:\\w+\\s+(\\w+)\\([\\w\\s,]*\\)\\s*{[^}]+})/g;\n  const varyingRegExp = /(?:varying\\s+\\w+\\s+(\\w*))/g;\n  const blendMode = effect.blendMode;\n  const shaders = new Map([\n    [\"fragment\", effect.getFragmentShader()],\n    [\"vertex\", effect.getVertexShader()]\n  ]);\n  const mainImageExists = shaders.get(\"fragment\") !== void 0 && /mainImage/.test(shaders.get(\"fragment\"));\n  const mainUvExists = shaders.get(\"fragment\") !== void 0 && /mainUv/.test(shaders.get(\"fragment\"));\n  let varyings = [], names = [];\n  let transformedUv = false;\n  let readDepth = false;\n  if (shaders.get(\"fragment\") === void 0) {\n    console.error(\"Missing fragment shader\", effect);\n  } else if (mainUvExists && (attributes & EffectAttribute.CONVOLUTION) !== 0) {\n    console.error(\"Effects that transform UV coordinates are incompatible with convolution effects\", effect);\n  } else if (!mainImageExists && !mainUvExists) {\n    console.error(\"The fragment shader contains neither a mainImage nor a mainUv function\", effect);\n  } else {\n    if (mainUvExists) {\n      shaderParts.set(Section.FRAGMENT_MAIN_UV, shaderParts.get(Section.FRAGMENT_MAIN_UV) + \"\t\" + prefix + \"MainUv(UV);\\n\");\n      transformedUv = true;\n    }\n    if (shaders.get(\"vertex\") !== null && /mainSupport/.test(shaders.get(\"vertex\"))) {\n      let string = \"\t\" + prefix + \"MainSupport(\";\n      if (/mainSupport *\\([\\w\\s]*?uv\\s*?\\)/.test(shaders.get(\"vertex\"))) {\n        string += \"vUv\";\n      }\n      string += \");\\n\";\n      shaderParts.set(Section.VERTEX_MAIN_SUPPORT, shaderParts.get(Section.VERTEX_MAIN_SUPPORT) + string);\n      varyings = varyings.concat(findSubstrings(varyingRegExp, shaders.get(\"vertex\")));\n      names = names.concat(varyings).concat(findSubstrings(functionRegExp, shaders.get(\"vertex\")));\n    }\n    names = names.concat(findSubstrings(functionRegExp, shaders.get(\"fragment\")));\n    names = names.concat(Array.from(effect.defines.keys()).map((s) => s.replace(/\\([\\w\\s,]*\\)/g, \"\")));\n    names = names.concat(Array.from(effect.uniforms.keys()));\n    effect.uniforms.forEach((value, key) => uniforms.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), value));\n    effect.defines.forEach((value, key) => defines.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), value));\n    prefixSubstrings(prefix, names, defines);\n    prefixSubstrings(prefix, names, shaders);\n    blendModes.set(blendMode.blendFunction, blendMode);\n    if (mainImageExists) {\n      const depthParamRegExp = /MainImage *\\([\\w\\s,]*?depth[\\w\\s,]*?\\)/;\n      let string = prefix + \"MainImage(color0, UV, \";\n      if ((attributes & EffectAttribute.DEPTH) !== 0 && depthParamRegExp.test(shaders.get(\"fragment\"))) {\n        string += \"depth, \";\n        readDepth = true;\n      }\n      string += \"color1);\\n\t\";\n      const blendOpacity = prefix + \"BlendOpacity\";\n      uniforms.set(blendOpacity, blendMode.opacity);\n      string += \"color0 = blend\" + blendMode.getBlendFunction() + \"(color0, color1, \" + blendOpacity + \");\\n\\n\t\";\n      shaderParts.set(Section.FRAGMENT_MAIN_IMAGE, shaderParts.get(Section.FRAGMENT_MAIN_IMAGE) + string);\n      shaderParts.set(Section.FRAGMENT_HEAD, shaderParts.get(Section.FRAGMENT_HEAD) + \"uniform float \" + blendOpacity + \";\\n\\n\");\n    }\n    shaderParts.set(Section.FRAGMENT_HEAD, shaderParts.get(Section.FRAGMENT_HEAD) + shaders.get(\"fragment\") + \"\\n\");\n    if (shaders.get(\"vertex\") !== null) {\n      shaderParts.set(Section.VERTEX_HEAD, shaderParts.get(Section.VERTEX_HEAD) + shaders.get(\"vertex\") + \"\\n\");\n    }\n  }\n  return { varyings, transformedUv, readDepth };\n}\nvar EffectPass = class extends Pass {\n  constructor(camera, ...effects) {\n    super(\"EffectPass\");\n    this.setFullscreenMaterial(new EffectMaterial(null, null, null, camera));\n    this.effects = effects.sort((a, b) => b.attributes - a.attributes);\n    this.skipRendering = false;\n    this.uniforms = 0;\n    this.varyings = 0;\n    this.minTime = 1;\n    this.maxTime = Number.POSITIVE_INFINITY;\n  }\n  get encodeOutput() {\n    return this.getFullscreenMaterial().defines.ENCODE_OUTPUT !== void 0;\n  }\n  set encodeOutput(value) {\n    if (this.encodeOutput !== value) {\n      const material = this.getFullscreenMaterial();\n      material.needsUpdate = true;\n      if (value) {\n        material.defines.ENCODE_OUTPUT = \"1\";\n      } else {\n        delete material.defines.ENCODE_OUTPUT;\n      }\n    }\n  }\n  get dithering() {\n    return this.getFullscreenMaterial().dithering;\n  }\n  set dithering(value) {\n    const material = this.getFullscreenMaterial();\n    if (material.dithering !== value) {\n      material.dithering = value;\n      material.needsUpdate = true;\n    }\n  }\n  verifyResources(renderer) {\n    const capabilities = renderer.capabilities;\n    let max = Math.min(capabilities.maxFragmentUniforms, capabilities.maxVertexUniforms);\n    if (this.uniforms > max) {\n      console.warn(\"The current rendering context doesn't support more than \" + max + \" uniforms, but \" + this.uniforms + \" were defined\");\n    }\n    max = capabilities.maxVaryings;\n    if (this.varyings > max) {\n      console.warn(\"The current rendering context doesn't support more than \" + max + \" varyings, but \" + this.varyings + \" were defined\");\n    }\n  }\n  updateMaterial() {\n    const blendRegExp = /\\bblend\\b/g;\n    const shaderParts = new Map([\n      [Section.FRAGMENT_HEAD, \"\"],\n      [Section.FRAGMENT_MAIN_UV, \"\"],\n      [Section.FRAGMENT_MAIN_IMAGE, \"\"],\n      [Section.VERTEX_HEAD, \"\"],\n      [Section.VERTEX_MAIN_SUPPORT, \"\"]\n    ]);\n    const blendModes = new Map();\n    const defines = new Map();\n    const uniforms = new Map();\n    const extensions = new Set();\n    let id = 0, varyings = 0, attributes = 0;\n    let transformedUv = false;\n    let readDepth = false;\n    let result;\n    for (const effect of this.effects) {\n      if (effect.blendMode.getBlendFunction() === BlendFunction.SKIP) {\n        attributes |= effect.getAttributes() & EffectAttribute.DEPTH;\n      } else if ((attributes & EffectAttribute.CONVOLUTION) !== 0 && (effect.getAttributes() & EffectAttribute.CONVOLUTION) !== 0) {\n        console.error(\"Convolution effects cannot be merged\", effect);\n      } else {\n        attributes |= effect.getAttributes();\n        result = integrateEffect(\"e\" + id++, effect, shaderParts, blendModes, defines, uniforms, attributes);\n        varyings += result.varyings.length;\n        transformedUv = transformedUv || result.transformedUv;\n        readDepth = readDepth || result.readDepth;\n        if (effect.extensions !== null) {\n          for (const extension of effect.extensions) {\n            extensions.add(extension);\n          }\n        }\n      }\n    }\n    for (const blendMode of blendModes.values()) {\n      shaderParts.set(Section.FRAGMENT_HEAD, shaderParts.get(Section.FRAGMENT_HEAD) + blendMode.getShaderCode().replace(blendRegExp, \"blend\" + blendMode.getBlendFunction()) + \"\\n\");\n    }\n    if ((attributes & EffectAttribute.DEPTH) !== 0) {\n      if (readDepth) {\n        shaderParts.set(Section.FRAGMENT_MAIN_IMAGE, \"float depth = readDepth(UV);\\n\\n\t\" + shaderParts.get(Section.FRAGMENT_MAIN_IMAGE));\n      }\n      this.needsDepthTexture = this.getDepthTexture() === null;\n    } else {\n      this.needsDepthTexture = false;\n    }\n    if (transformedUv) {\n      shaderParts.set(Section.FRAGMENT_MAIN_UV, \"vec2 transformedUv = vUv;\\n\" + shaderParts.get(Section.FRAGMENT_MAIN_UV));\n      defines.set(\"UV\", \"transformedUv\");\n    } else {\n      defines.set(\"UV\", \"vUv\");\n    }\n    shaderParts.forEach((value, key, map) => map.set(key, value.trim().replace(/^#/, \"\\n#\")));\n    this.uniforms = uniforms.size;\n    this.varyings = varyings;\n    this.skipRendering = id === 0;\n    this.needsSwap = !this.skipRendering;\n    const material = this.getFullscreenMaterial();\n    material.setShaderParts(shaderParts);\n    material.setDefines(defines);\n    material.setUniforms(uniforms);\n    material.extensions = {};\n    if (extensions.size > 0) {\n      for (const extension of extensions) {\n        material.extensions[extension] = true;\n      }\n    }\n    this.needsUpdate = false;\n  }\n  recompile(renderer) {\n    this.updateMaterial();\n    if (renderer !== void 0) {\n      this.verifyResources(renderer);\n    }\n  }\n  getDepthTexture() {\n    return this.getFullscreenMaterial().uniforms.depthBuffer.value;\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking3) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.depthPacking = depthPacking;\n    material.needsUpdate = true;\n    for (const effect of this.effects) {\n      effect.setDepthTexture(depthTexture, depthPacking);\n    }\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const material = this.getFullscreenMaterial();\n    const time = material.uniforms.time.value + deltaTime;\n    if (this.needsUpdate) {\n      this.recompile(renderer);\n    }\n    for (const effect of this.effects) {\n      effect.update(renderer, inputBuffer, deltaTime);\n    }\n    if (!this.skipRendering || this.renderToScreen) {\n      material.uniforms.inputBuffer.value = inputBuffer.texture;\n      material.uniforms.time.value = time <= this.maxTime ? time : this.minTime;\n      renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n      renderer.render(this.scene, this.camera);\n    }\n  }\n  setSize(width, height) {\n    this.getFullscreenMaterial().setSize(width, height);\n    for (const effect of this.effects) {\n      effect.setSize(width, height);\n    }\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    for (const effect of this.effects) {\n      effect.initialize(renderer, alpha, frameBufferType);\n      effect.addEventListener(\"change\", (event) => this.handleEvent(event));\n    }\n    this.updateMaterial();\n    this.verifyResources(renderer);\n    if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType5) {\n      const material = this.getFullscreenMaterial();\n      material.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n    }\n  }\n  dispose() {\n    super.dispose();\n    for (const effect of this.effects) {\n      effect.dispose();\n    }\n  }\n  handleEvent(event) {\n    switch (event.type) {\n      case \"change\":\n        this.needsUpdate = true;\n        break;\n    }\n  }\n};\n\n// src/passes/LambdaPass.js\nvar LambdaPass = class extends Pass {\n  constructor(f) {\n    super(\"LambdaPass\", null, null);\n    this.needsSwap = false;\n    this.f = f;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    this.f();\n  }\n};\n\n// src/passes/LuminancePass.js\nimport {\n  LinearFilter as LinearFilter3,\n  LuminanceFormat,\n  RGBAFormat as RGBAFormat2,\n  UnsignedByteType as UnsignedByteType6,\n  WebGLRenderTarget as WebGLRenderTarget7\n} from \"three\";\nvar LuminancePass = class extends Pass {\n  constructor({\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    renderTarget,\n    luminanceRange,\n    colorOutput\n  } = {}) {\n    super(\"LuminancePass\");\n    this.setFullscreenMaterial(new LuminanceMaterial(colorOutput, luminanceRange));\n    this.needsSwap = false;\n    this.renderTarget = renderTarget;\n    if (this.renderTarget === void 0) {\n      this.renderTarget = new WebGLRenderTarget7(1, 1, {\n        minFilter: LinearFilter3,\n        magFilter: LinearFilter3,\n        format: colorOutput ? RGBAFormat2 : LuminanceFormat,\n        stencilBuffer: false,\n        depthBuffer: false\n      });\n      this.renderTarget.texture.name = \"LuminancePass.Target\";\n      this.renderTarget.texture.generateMipmaps = false;\n    }\n    this.resolution = new Resizer(this, width, height);\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.inputBuffer.value = inputBuffer.texture;\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n    renderer.render(this.scene, this.camera);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    this.renderTarget.setSize(resolution.width, resolution.height);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType6) {\n      const material = this.getFullscreenMaterial();\n      material.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n    }\n  }\n};\n\n// src/passes/MaskPass.js\nvar MaskPass = class extends Pass {\n  constructor(scene, camera) {\n    super(\"MaskPass\", scene, camera);\n    this.needsSwap = false;\n    this.clearPass = new ClearPass(false, false, true);\n    this.inverse = false;\n  }\n  get clear() {\n    return this.clearPass.enabled;\n  }\n  set clear(value) {\n    this.clearPass.enabled = value;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const context = renderer.getContext();\n    const buffers = renderer.state.buffers;\n    const scene = this.scene;\n    const camera = this.camera;\n    const clearPass = this.clearPass;\n    const writeValue = this.inverse ? 0 : 1;\n    const clearValue = 1 - writeValue;\n    buffers.color.setMask(false);\n    buffers.depth.setMask(false);\n    buffers.color.setLocked(true);\n    buffers.depth.setLocked(true);\n    buffers.stencil.setTest(true);\n    buffers.stencil.setOp(context.REPLACE, context.REPLACE, context.REPLACE);\n    buffers.stencil.setFunc(context.ALWAYS, writeValue, 4294967295);\n    buffers.stencil.setClear(clearValue);\n    buffers.stencil.setLocked(true);\n    if (this.clear) {\n      if (this.renderToScreen) {\n        clearPass.render(renderer, null);\n      } else {\n        clearPass.render(renderer, inputBuffer);\n        clearPass.render(renderer, outputBuffer);\n      }\n    }\n    if (this.renderToScreen) {\n      renderer.setRenderTarget(null);\n      renderer.render(scene, camera);\n    } else {\n      renderer.setRenderTarget(inputBuffer);\n      renderer.render(scene, camera);\n      renderer.setRenderTarget(outputBuffer);\n      renderer.render(scene, camera);\n    }\n    buffers.color.setLocked(false);\n    buffers.depth.setLocked(false);\n    buffers.stencil.setLocked(false);\n    buffers.stencil.setFunc(context.EQUAL, 1, 4294967295);\n    buffers.stencil.setOp(context.KEEP, context.KEEP, context.KEEP);\n    buffers.stencil.setLocked(true);\n  }\n};\n\n// src/passes/NormalPass.js\nimport {\n  Color as Color3,\n  MeshNormalMaterial,\n  NearestFilter as NearestFilter5,\n  RGBFormat as RGBFormat3,\n  WebGLRenderTarget as WebGLRenderTarget8\n} from \"three\";\nvar NormalPass = class extends Pass {\n  constructor(scene, camera, {\n    resolutionScale = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    renderTarget\n  } = {}) {\n    super(\"NormalPass\");\n    this.needsSwap = false;\n    this.renderPass = new RenderPass(scene, camera, new MeshNormalMaterial());\n    const clearPass = this.renderPass.getClearPass();\n    clearPass.overrideClearColor = new Color3(7829503);\n    clearPass.overrideClearAlpha = 1;\n    this.renderTarget = renderTarget;\n    if (this.renderTarget === void 0) {\n      this.renderTarget = new WebGLRenderTarget8(1, 1, {\n        minFilter: NearestFilter5,\n        magFilter: NearestFilter5,\n        format: RGBFormat3,\n        stencilBuffer: false\n      });\n      this.renderTarget.texture.name = \"NormalPass.Target\";\n    }\n    this.resolution = new Resizer(this, width, height, resolutionScale);\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  getResolutionScale() {\n    return this.resolutionScale;\n  }\n  setResolutionScale(scale) {\n    this.resolutionScale = scale;\n    this.setSize(this.resolution.base.x, this.resolution.base.y);\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const renderTarget = this.renderToScreen ? null : this.renderTarget;\n    this.renderPass.render(renderer, renderTarget, renderTarget);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    this.renderTarget.setSize(resolution.width, resolution.height);\n  }\n};\n\n// src/passes/ShaderPass.js\nimport { UnsignedByteType as UnsignedByteType7 } from \"three\";\nvar ShaderPass = class extends Pass {\n  constructor(material, input = \"inputBuffer\") {\n    super(\"ShaderPass\");\n    this.setFullscreenMaterial(material);\n    this.uniform = null;\n    this.setInput(input);\n  }\n  setInput(input) {\n    const material = this.getFullscreenMaterial();\n    this.uniform = null;\n    if (material !== null) {\n      const uniforms = material.uniforms;\n      if (uniforms !== void 0 && uniforms[input] !== void 0) {\n        this.uniform = uniforms[input];\n      }\n    }\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    if (this.uniform !== null && inputBuffer !== null) {\n      this.uniform.value = inputBuffer.texture;\n    }\n    renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n    renderer.render(this.scene, this.camera);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType7) {\n      const material = this.getFullscreenMaterial();\n      material.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n    }\n  }\n};\n\n// src/core/EffectComposer.js\nvar EffectComposer = class {\n  constructor(renderer = null, {\n    depthBuffer = true,\n    stencilBuffer = false,\n    alpha = false,\n    multisampling = 0,\n    frameBufferType\n  } = {}) {\n    this.renderer = renderer;\n    this.inputBuffer = null;\n    this.outputBuffer = null;\n    if (this.renderer !== null) {\n      this.renderer.autoClear = false;\n      this.inputBuffer = this.createBuffer(depthBuffer, stencilBuffer, frameBufferType, multisampling);\n      this.outputBuffer = this.inputBuffer.clone();\n    }\n    this.copyPass = new ShaderPass(new CopyMaterial());\n    this.alpha = alpha;\n    this.depthTexture = null;\n    this.passes = [];\n    this.autoRenderToScreen = true;\n  }\n  get multisampling() {\n    return this.inputBuffer instanceof WebGLMultisampleRenderTarget ? this.inputBuffer.samples : 0;\n  }\n  set multisampling(value) {\n    const buffer = this.inputBuffer;\n    const multisampling = this.multisampling;\n    if (multisampling > 0 && value > 0) {\n      this.inputBuffer.samples = value;\n      this.outputBuffer.samples = value;\n    } else if (multisampling !== value) {\n      this.inputBuffer.dispose();\n      this.outputBuffer.dispose();\n      this.inputBuffer = this.createBuffer(buffer.depthBuffer, buffer.stencilBuffer, buffer.texture.type, value);\n      this.inputBuffer.depthTexture = this.depthTexture;\n      this.outputBuffer = this.inputBuffer.clone();\n    }\n  }\n  getRenderer() {\n    return this.renderer;\n  }\n  replaceRenderer(renderer, updateDOM = true) {\n    const oldRenderer = this.renderer;\n    if (oldRenderer !== null && oldRenderer !== renderer) {\n      const oldSize = oldRenderer.getSize(new Vector213());\n      const newSize = renderer.getSize(new Vector213());\n      const parent = oldRenderer.domElement.parentNode;\n      this.renderer = renderer;\n      this.renderer.autoClear = false;\n      if (!oldSize.equals(newSize)) {\n        this.setSize();\n      }\n      if (updateDOM && parent !== null) {\n        parent.removeChild(oldRenderer.domElement);\n        parent.appendChild(renderer.domElement);\n      }\n    }\n    return oldRenderer;\n  }\n  createDepthTexture() {\n    const depthTexture = this.depthTexture = new DepthTexture();\n    this.inputBuffer.depthTexture = depthTexture;\n    this.inputBuffer.dispose();\n    if (this.inputBuffer.stencilBuffer) {\n      depthTexture.format = DepthStencilFormat;\n      depthTexture.type = UnsignedInt248Type;\n    } else {\n      depthTexture.type = UnsignedIntType;\n    }\n    return depthTexture;\n  }\n  deleteDepthTexture() {\n    if (this.depthTexture !== null) {\n      this.depthTexture.dispose();\n      this.depthTexture = null;\n      this.inputBuffer.depthTexture = null;\n      this.inputBuffer.dispose();\n      for (const pass of this.passes) {\n        pass.setDepthTexture(null);\n      }\n    }\n  }\n  createBuffer(depthBuffer, stencilBuffer, type, multisampling) {\n    const renderer = this.renderer;\n    const context = renderer.getContext();\n    const size = renderer.getDrawingBufferSize(new Vector213());\n    const alpha = this.alpha || context.getContextAttributes().alpha;\n    const options = {\n      format: !alpha && type === UnsignedByteType8 ? RGBFormat4 : RGBAFormat3,\n      minFilter: LinearFilter4,\n      magFilter: LinearFilter4,\n      stencilBuffer,\n      depthBuffer,\n      type\n    };\n    const renderTarget = multisampling > 0 ? new WebGLMultisampleRenderTarget(size.width, size.height, options) : new WebGLRenderTarget9(size.width, size.height, options);\n    if (multisampling > 0) {\n      renderTarget.samples = multisampling;\n    }\n    renderTarget.texture.name = \"EffectComposer.Buffer\";\n    renderTarget.texture.generateMipmaps = false;\n    return renderTarget;\n  }\n  addPass(pass, index) {\n    const passes = this.passes;\n    const renderer = this.renderer;\n    const drawingBufferSize = renderer.getDrawingBufferSize(new Vector213());\n    const alpha = renderer.getContext().getContextAttributes().alpha;\n    const frameBufferType = this.inputBuffer.texture.type;\n    pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n    pass.initialize(renderer, alpha, frameBufferType);\n    if (this.autoRenderToScreen) {\n      if (passes.length > 0) {\n        passes[passes.length - 1].renderToScreen = false;\n      }\n      if (pass.renderToScreen) {\n        this.autoRenderToScreen = false;\n      }\n    }\n    if (index !== void 0) {\n      passes.splice(index, 0, pass);\n    } else {\n      passes.push(pass);\n    }\n    if (this.autoRenderToScreen) {\n      passes[passes.length - 1].renderToScreen = true;\n    }\n    if (pass.needsDepthTexture || this.depthTexture !== null) {\n      if (this.depthTexture === null) {\n        const depthTexture = this.createDepthTexture();\n        for (pass of passes) {\n          pass.setDepthTexture(depthTexture);\n        }\n      } else {\n        pass.setDepthTexture(this.depthTexture);\n      }\n    }\n  }\n  removePass(pass) {\n    const passes = this.passes;\n    const index = passes.indexOf(pass);\n    const exists = index !== -1;\n    const removed = exists && passes.splice(index, 1).length > 0;\n    if (removed) {\n      if (this.depthTexture !== null) {\n        const reducer = (a, b) => a || b.needsDepthTexture;\n        const depthTextureRequired = passes.reduce(reducer, false);\n        if (!depthTextureRequired) {\n          if (pass.getDepthTexture() === this.depthTexture) {\n            pass.setDepthTexture(null);\n          }\n          this.deleteDepthTexture();\n        }\n      }\n      if (this.autoRenderToScreen) {\n        if (index === passes.length) {\n          pass.renderToScreen = false;\n          if (passes.length > 0) {\n            passes[passes.length - 1].renderToScreen = true;\n          }\n        }\n      }\n    }\n  }\n  removeAllPasses() {\n    const passes = this.passes;\n    this.deleteDepthTexture();\n    if (passes.length > 0) {\n      if (this.autoRenderToScreen) {\n        passes[passes.length - 1].renderToScreen = false;\n      }\n      this.passes = [];\n    }\n  }\n  render(deltaTime) {\n    const renderer = this.renderer;\n    const copyPass = this.copyPass;\n    let inputBuffer = this.inputBuffer;\n    let outputBuffer = this.outputBuffer;\n    let stencilTest = false;\n    let context, stencil, buffer;\n    for (const pass of this.passes) {\n      if (pass.enabled) {\n        pass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n        if (pass.needsSwap) {\n          if (stencilTest) {\n            copyPass.renderToScreen = pass.renderToScreen;\n            context = renderer.getContext();\n            stencil = renderer.state.buffers.stencil;\n            stencil.setFunc(context.NOTEQUAL, 1, 4294967295);\n            copyPass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n            stencil.setFunc(context.EQUAL, 1, 4294967295);\n          }\n          buffer = inputBuffer;\n          inputBuffer = outputBuffer;\n          outputBuffer = buffer;\n        }\n        if (pass instanceof MaskPass) {\n          stencilTest = true;\n        } else if (pass instanceof ClearMaskPass) {\n          stencilTest = false;\n        }\n      }\n    }\n  }\n  setSize(width, height, updateStyle) {\n    const renderer = this.renderer;\n    if (width === void 0 || height === void 0) {\n      const size = renderer.getSize(new Vector213());\n      width = size.width;\n      height = size.height;\n    } else {\n      renderer.setSize(width, height, updateStyle);\n    }\n    const drawingBufferSize = renderer.getDrawingBufferSize(new Vector213());\n    const inputBuffer = this.inputBuffer;\n    const outputBuffer = this.outputBuffer;\n    inputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n    outputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n    for (const pass of this.passes) {\n      pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n    }\n  }\n  reset() {\n    this.dispose();\n    this.autoRenderToScreen = true;\n  }\n  dispose() {\n    for (const pass of this.passes) {\n      pass.dispose();\n    }\n    this.passes = [];\n    if (this.inputBuffer !== null) {\n      this.inputBuffer.dispose();\n    }\n    if (this.outputBuffer !== null) {\n      this.outputBuffer.dispose();\n    }\n    this.deleteDepthTexture();\n    this.copyPass.dispose();\n  }\n};\n\n// src/core/Initializable.js\nvar Initializable = class {\n  initialize(renderer, alpha, frameBufferType) {\n  }\n};\n\n// src/core/Resizable.js\nvar Resizable = class {\n  setSize(width, height) {\n  }\n};\n\n// src/core/Selection.js\nvar Selection = class extends Set {\n  constructor(iterable, layer = 10) {\n    super();\n    this.currentLayer = layer;\n    this.exclusive = false;\n    if (iterable !== void 0) {\n      this.set(iterable);\n    }\n  }\n  get layer() {\n    return this.currentLayer;\n  }\n  set layer(value) {\n    const currentLayer = this.currentLayer;\n    for (const object of this) {\n      object.layers.disable(currentLayer);\n      object.layers.enable(value);\n    }\n    this.currentLayer = value;\n  }\n  clear() {\n    const layer = this.layer;\n    for (const object of this) {\n      object.layers.disable(layer);\n    }\n    return super.clear();\n  }\n  set(objects) {\n    this.clear();\n    for (const object of objects) {\n      this.add(object);\n    }\n    return this;\n  }\n  indexOf(object) {\n    return this.has(object) ? 0 : -1;\n  }\n  add(object) {\n    if (this.exclusive) {\n      object.layers.set(this.layer);\n    } else {\n      object.layers.enable(this.layer);\n    }\n    return super.add(object);\n  }\n  delete(object) {\n    if (this.has(object)) {\n      object.layers.disable(this.layer);\n    }\n    return super.delete(object);\n  }\n  setVisible(visible) {\n    for (const object of this) {\n      if (visible) {\n        object.layers.enable(0);\n      } else {\n        object.layers.disable(0);\n      }\n    }\n    return this;\n  }\n};\n\n// src/effects/BloomEffect.js\nimport {\n  LinearFilter as LinearFilter5,\n  RGBFormat as RGBFormat5,\n  Uniform as Uniform20,\n  UnsignedByteType as UnsignedByteType9,\n  WebGLRenderTarget as WebGLRenderTarget10\n} from \"three\";\n\n// src/effects/glsl/bloom/shader.frag\nvar shader_default46 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=clamp(texture2D(map,uv)*intensity,0.0,1.0);}\";\n\n// src/effects/BloomEffect.js\nvar BloomEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.SCREEN,\n    luminanceThreshold = 0.9,\n    luminanceSmoothing = 0.025,\n    resolutionScale = 0.5,\n    intensity = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    kernelSize = KernelSize.LARGE\n  } = {}) {\n    super(\"BloomEffect\", shader_default46, {\n      blendFunction,\n      uniforms: new Map([\n        [\"map\", new Uniform20(null)],\n        [\"intensity\", new Uniform20(intensity)]\n      ])\n    });\n    this.renderTarget = new WebGLRenderTarget10(1, 1, {\n      minFilter: LinearFilter5,\n      magFilter: LinearFilter5,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTarget.texture.name = \"Bloom.Target\";\n    this.renderTarget.texture.generateMipmaps = false;\n    this.uniforms.get(\"map\").value = this.renderTarget.texture;\n    this.blurPass = new BlurPass({\n      resolutionScale,\n      width,\n      height,\n      kernelSize\n    });\n    this.blurPass.resolution.resizable = this;\n    this.luminancePass = new LuminancePass({\n      renderTarget: this.renderTarget,\n      colorOutput: true\n    });\n    this.luminancePass.resolution = this.resolution;\n    this.luminanceMaterial.threshold = luminanceThreshold;\n    this.luminanceMaterial.smoothing = luminanceSmoothing;\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  get luminanceMaterial() {\n    return this.luminancePass.getFullscreenMaterial();\n  }\n  get resolution() {\n    return this.blurPass.resolution;\n  }\n  get width() {\n    return this.resolution.width;\n  }\n  set width(value) {\n    this.resolution.width = value;\n  }\n  get height() {\n    return this.resolution.height;\n  }\n  set height(value) {\n    this.resolution.height = value;\n  }\n  get dithering() {\n    return this.blurPass.dithering;\n  }\n  set dithering(value) {\n    this.blurPass.dithering = value;\n  }\n  get kernelSize() {\n    return this.blurPass.kernelSize;\n  }\n  set kernelSize(value) {\n    this.blurPass.kernelSize = value;\n  }\n  get distinction() {\n    console.warn(this.name, \"The distinction field has been removed, use .threshold and .smoothing instead.\");\n    return 1;\n  }\n  set distinction(value) {\n    console.warn(this.name, \"The distinction field has been removed, use .threshold and .smoothing instead.\");\n  }\n  get intensity() {\n    return this.uniforms.get(\"intensity\").value;\n  }\n  set intensity(value) {\n    this.uniforms.get(\"intensity\").value = value;\n  }\n  getResolutionScale() {\n    return this.resolution.scale;\n  }\n  setResolutionScale(scale) {\n    this.resolution.scale = scale;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const renderTarget = this.renderTarget;\n    if (this.luminancePass.enabled) {\n      this.luminancePass.render(renderer, inputBuffer, renderTarget);\n      this.blurPass.render(renderer, renderTarget, renderTarget);\n    } else {\n      this.blurPass.render(renderer, inputBuffer, renderTarget);\n    }\n  }\n  setSize(width, height) {\n    this.blurPass.setSize(width, height);\n    this.renderTarget.setSize(this.resolution.width, this.resolution.height);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    this.blurPass.initialize(renderer, alpha, frameBufferType);\n    if (!alpha && frameBufferType === UnsignedByteType9) {\n      this.renderTarget.texture.format = RGBFormat5;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTarget.texture.type = frameBufferType;\n    }\n  }\n};\n\n// src/effects/BokehEffect.js\nimport { Uniform as Uniform21 } from \"three\";\n\n// src/effects/glsl/bokeh/shader.frag\nvar shader_default47 = \"uniform float focus;uniform float dof;uniform float aperture;uniform float maxBlur;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec2 aspectCorrection=vec2(1.0,aspect);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat focusNear=clamp(focus-dof,0.0,1.0);float focusFar=clamp(focus+dof,0.0,1.0);float low=step(linearDepth,focusNear);float high=step(focusFar,linearDepth);float factor=(linearDepth-focusNear)*low+(linearDepth-focusFar)*high;vec2 dofBlur=vec2(clamp(factor*aperture,-maxBlur,maxBlur));vec2 dofblur9=dofBlur*0.9;vec2 dofblur7=dofBlur*0.7;vec2 dofblur4=dofBlur*0.4;vec4 color=inputColor;color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur4);outputColor=color/41.0;}\";\n\n// src/effects/BokehEffect.js\nvar BokehEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    focus = 0.5,\n    dof = 0.02,\n    aperture = 0.015,\n    maxBlur = 1\n  } = {}) {\n    super(\"BokehEffect\", shader_default47, {\n      blendFunction,\n      attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"focus\", new Uniform21(focus)],\n        [\"dof\", new Uniform21(dof)],\n        [\"aperture\", new Uniform21(aperture)],\n        [\"maxBlur\", new Uniform21(maxBlur)]\n      ])\n    });\n  }\n};\n\n// src/effects/BrightnessContrastEffect.js\nimport { Uniform as Uniform22 } from \"three\";\n\n// src/effects/glsl/brightness-contrast/shader.frag\nvar shader_default48 = \"uniform float brightness;uniform float contrast;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=inputColor.rgb+vec3(brightness-0.5);if(contrast>0.0){color/=vec3(1.0-contrast);}else{color*=vec3(1.0+contrast);}outputColor=vec4(min(color+vec3(0.5),1.0),inputColor.a);}\";\n\n// src/effects/BrightnessContrastEffect.js\nvar BrightnessContrastEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    brightness = 0,\n    contrast = 0\n  } = {}) {\n    super(\"BrightnessContrastEffect\", shader_default48, {\n      blendFunction,\n      uniforms: new Map([\n        [\"brightness\", new Uniform22(brightness)],\n        [\"contrast\", new Uniform22(contrast)]\n      ])\n    });\n  }\n};\n\n// src/effects/glsl/color-average/shader.frag\nvar shader_default49 = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float sum=inputColor.r+inputColor.g+inputColor.b;outputColor=vec4(vec3(sum/3.0),inputColor.a);}\";\n\n// src/effects/ColorAverageEffect.js\nvar ColorAverageEffect = class extends Effect {\n  constructor(blendFunction = BlendFunction.NORMAL) {\n    super(\"ColorAverageEffect\", shader_default49, { blendFunction });\n  }\n};\n\n// src/effects/ColorDepthEffect.js\nimport { Uniform as Uniform23 } from \"three\";\n\n// src/effects/glsl/color-depth/shader.frag\nvar shader_default50 = \"uniform float factor;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(floor(inputColor.rgb*factor+0.5)/factor,inputColor.a);}\";\n\n// src/effects/ColorDepthEffect.js\nvar ColorDepthEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    bits = 16\n  } = {}) {\n    super(\"ColorDepthEffect\", shader_default50, {\n      blendFunction,\n      uniforms: new Map([\n        [\"factor\", new Uniform23(1)]\n      ])\n    });\n    this.bits = 0;\n    this.setBitDepth(bits);\n  }\n  getBitDepth() {\n    return this.bits;\n  }\n  setBitDepth(bits) {\n    this.bits = bits;\n    this.uniforms.get(\"factor\").value = Math.pow(2, bits / 3);\n  }\n};\n\n// src/effects/ChromaticAberrationEffect.js\nimport { Uniform as Uniform24, Vector2 as Vector214 } from \"three\";\n\n// src/effects/glsl/chromatic-aberration/shader.frag\nvar shader_default51 = \"varying vec2 vUvR;varying vec2 vUvB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 color=inputColor;\\n#ifdef ALPHA\\nvec2 ra=texture2D(inputBuffer,vUvR).ra;vec2 ba=texture2D(inputBuffer,vUvB).ba;color.r=ra.x;color.b=ba.x;color.a=max(max(ra.y,ba.y),inputColor.a);\\n#else\\ncolor.r=texture2D(inputBuffer,vUvR).r;color.b=texture2D(inputBuffer,vUvB).b;\\n#endif\\noutputColor=color;}\";\n\n// src/effects/glsl/chromatic-aberration/shader.vert\nvar shader_default52 = \"uniform vec2 offset;varying vec2 vUvR;varying vec2 vUvB;void mainSupport(const in vec2 uv){vUvR=uv+offset;vUvB=uv-offset;}\";\n\n// src/effects/ChromaticAberrationEffect.js\nvar ChromaticAberrationEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    offset = new Vector214(1e-3, 5e-4)\n  } = {}) {\n    super(\"ChromaticAberrationEffect\", shader_default51, {\n      vertexShader: shader_default52,\n      blendFunction,\n      attributes: EffectAttribute.CONVOLUTION,\n      uniforms: new Map([\n        [\"offset\", new Uniform24(offset)]\n      ])\n    });\n  }\n  get offset() {\n    return this.uniforms.get(\"offset\").value;\n  }\n  set offset(value) {\n    this.uniforms.get(\"offset\").value = value;\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (alpha) {\n      this.defines.set(\"ALPHA\", \"1\");\n    } else {\n      this.defines.delete(\"ALPHA\");\n    }\n  }\n};\n\n// src/effects/glsl/depth/shader.frag\nvar shader_default53 = \"void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef INVERTED\\nvec3 color=vec3(1.0-depth);\\n#else\\nvec3 color=vec3(depth);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DepthEffect.js\nvar DepthEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    inverted = false\n  } = {}) {\n    super(\"DepthEffect\", shader_default53, {\n      blendFunction,\n      attributes: EffectAttribute.DEPTH\n    });\n    this.inverted = inverted;\n  }\n  get inverted() {\n    return this.defines.has(\"INVERTED\");\n  }\n  set inverted(value) {\n    if (this.inverted !== value) {\n      if (value) {\n        this.defines.set(\"INVERTED\", \"1\");\n      } else {\n        this.defines.delete(\"INVERTED\");\n      }\n      this.setChanged();\n    }\n  }\n};\n\n// src/effects/DepthOfFieldEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking4,\n  LinearFilter as LinearFilter6,\n  RGBFormat as RGBFormat6,\n  Uniform as Uniform25,\n  UnsignedByteType as UnsignedByteType10,\n  WebGLRenderTarget as WebGLRenderTarget11\n} from \"three\";\n\n// src/effects/glsl/depth-of-field/shader.frag\nvar shader_default54 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D nearColorBuffer;uniform mediump sampler2D farColorBuffer;\\n#else\\nuniform lowp sampler2D nearColorBuffer;uniform lowp sampler2D farColorBuffer;\\n#endif\\nuniform lowp sampler2D nearCoCBuffer;uniform float scale;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec4 colorNear=texture2D(nearColorBuffer,uv);vec4 colorFar=texture2D(farColorBuffer,uv);float CoCNear=texture2D(nearCoCBuffer,uv).r;CoCNear=min(CoCNear*scale,1.0);vec4 result=inputColor*(1.0-colorFar.a)+colorFar;result=mix(result,colorNear,CoCNear);outputColor=result;}\";\n\n// src/effects/DepthOfFieldEffect.js\nvar DepthOfFieldEffect = class extends Effect {\n  constructor(camera, {\n    blendFunction = BlendFunction.NORMAL,\n    focusDistance = 0,\n    focalLength = 0.1,\n    bokehScale = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE\n  } = {}) {\n    super(\"DepthOfFieldEffect\", shader_default54, {\n      blendFunction,\n      attributes: EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"nearColorBuffer\", new Uniform25(null)],\n        [\"farColorBuffer\", new Uniform25(null)],\n        [\"nearCoCBuffer\", new Uniform25(null)],\n        [\"scale\", new Uniform25(1)]\n      ])\n    });\n    this.camera = camera;\n    this.renderTarget = new WebGLRenderTarget11(1, 1, {\n      minFilter: LinearFilter6,\n      magFilter: LinearFilter6,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTarget.texture.name = \"DoF.Intermediate\";\n    this.renderTarget.texture.generateMipmaps = false;\n    this.renderTargetMasked = this.renderTarget.clone();\n    this.renderTargetMasked.texture.name = \"DoF.Masked.Far\";\n    this.renderTargetNear = this.renderTarget.clone();\n    this.renderTargetNear.texture.name = \"DoF.Bokeh.Near\";\n    this.uniforms.get(\"nearColorBuffer\").value = this.renderTargetNear.texture;\n    this.renderTargetFar = this.renderTarget.clone();\n    this.renderTargetFar.texture.name = \"DoF.Bokeh.Far\";\n    this.uniforms.get(\"farColorBuffer\").value = this.renderTargetFar.texture;\n    this.renderTargetCoC = this.renderTarget.clone();\n    this.renderTargetCoC.texture.format = RGBFormat6;\n    this.renderTargetCoC.texture.name = \"DoF.CoC\";\n    this.renderTargetCoCBlurred = this.renderTargetCoC.clone();\n    this.renderTargetCoCBlurred.texture.name = \"DoF.CoC.Blurred\";\n    this.uniforms.get(\"nearCoCBuffer\").value = this.renderTargetCoCBlurred.texture;\n    this.cocPass = new ShaderPass(new CircleOfConfusionMaterial(camera));\n    const cocMaterial = this.circleOfConfusionMaterial;\n    cocMaterial.uniforms.focusDistance.value = focusDistance;\n    cocMaterial.uniforms.focalLength.value = focalLength;\n    this.blurPass = new BlurPass({\n      width,\n      height,\n      kernelSize: KernelSize.MEDIUM\n    });\n    this.blurPass.resolution.resizable = this;\n    this.maskPass = new ShaderPass(new MaskMaterial(this.renderTargetCoC.texture));\n    const maskMaterial = this.maskPass.getFullscreenMaterial();\n    maskMaterial.maskFunction = MaskFunction.MULTIPLY;\n    maskMaterial.colorChannel = ColorChannel.GREEN;\n    this.bokehNearBasePass = new ShaderPass(new BokehMaterial(false, true));\n    this.bokehNearFillPass = new ShaderPass(new BokehMaterial(true, true));\n    this.bokehFarBasePass = new ShaderPass(new BokehMaterial(false, false));\n    this.bokehFarFillPass = new ShaderPass(new BokehMaterial(true, false));\n    this.bokehScale = bokehScale;\n    this.target = null;\n  }\n  get circleOfConfusionMaterial() {\n    return this.cocPass.getFullscreenMaterial();\n  }\n  get resolution() {\n    return this.blurPass.resolution;\n  }\n  get bokehScale() {\n    return this.uniforms.get(\"scale\").value;\n  }\n  set bokehScale(value) {\n    const passes = [\n      this.bokehNearBasePass,\n      this.bokehNearFillPass,\n      this.bokehFarBasePass,\n      this.bokehFarFillPass\n    ];\n    passes.map((p) => p.getFullscreenMaterial().uniforms.scale).forEach((u) => {\n      u.value = value;\n    });\n    this.maskPass.getFullscreenMaterial().uniforms.strength.value = value;\n    this.uniforms.get(\"scale\").value = value;\n  }\n  calculateFocusDistance(target) {\n    const camera = this.camera;\n    const viewDistance = camera.far - camera.near;\n    const distance = camera.position.distanceTo(target);\n    return Math.min(Math.max(distance / viewDistance, 0), 1);\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking4) {\n    const material = this.circleOfConfusionMaterial;\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.depthPacking = depthPacking;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const renderTarget = this.renderTarget;\n    const renderTargetCoC = this.renderTargetCoC;\n    const renderTargetCoCBlurred = this.renderTargetCoCBlurred;\n    const renderTargetMasked = this.renderTargetMasked;\n    const bokehFarBasePass = this.bokehFarBasePass;\n    const bokehFarFillPass = this.bokehFarFillPass;\n    const farBaseUniforms = bokehFarBasePass.getFullscreenMaterial().uniforms;\n    const farFillUniforms = bokehFarFillPass.getFullscreenMaterial().uniforms;\n    const bokehNearBasePass = this.bokehNearBasePass;\n    const bokehNearFillPass = this.bokehNearFillPass;\n    const nearBaseUniforms = bokehNearBasePass.getFullscreenMaterial().uniforms;\n    const nearFillUniforms = bokehNearFillPass.getFullscreenMaterial().uniforms;\n    if (this.target !== null) {\n      const distance = this.calculateFocusDistance(this.target);\n      this.circleOfConfusionMaterial.uniforms.focusDistance.value = distance;\n    }\n    this.cocPass.render(renderer, null, renderTargetCoC);\n    this.blurPass.render(renderer, renderTargetCoC, renderTargetCoCBlurred);\n    this.maskPass.render(renderer, inputBuffer, renderTargetMasked);\n    farBaseUniforms.cocBuffer.value = renderTargetCoC.texture;\n    farFillUniforms.cocBuffer.value = renderTargetCoC.texture;\n    bokehFarBasePass.render(renderer, renderTargetMasked, renderTarget);\n    bokehFarFillPass.render(renderer, renderTarget, this.renderTargetFar);\n    nearBaseUniforms.cocBuffer.value = renderTargetCoCBlurred.texture;\n    nearFillUniforms.cocBuffer.value = renderTargetCoCBlurred.texture;\n    bokehNearBasePass.render(renderer, inputBuffer, renderTarget);\n    bokehNearFillPass.render(renderer, renderTarget, this.renderTargetNear);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    let resizables = [\n      this.cocPass,\n      this.blurPass,\n      this.maskPass,\n      this.bokehNearBasePass,\n      this.bokehNearFillPass,\n      this.bokehFarBasePass,\n      this.bokehFarFillPass\n    ];\n    resizables.push(this.renderTargetCoC, this.renderTargetMasked);\n    resizables.forEach((r) => r.setSize(width, height));\n    const w = resolution.width;\n    const h = resolution.height;\n    resizables = [\n      this.renderTarget,\n      this.renderTargetNear,\n      this.renderTargetFar,\n      this.renderTargetCoCBlurred\n    ];\n    resizables.forEach((r) => r.setSize(w, h));\n    const passes = [\n      this.bokehNearBasePass,\n      this.bokehNearFillPass,\n      this.bokehFarBasePass,\n      this.bokehFarFillPass\n    ];\n    passes.forEach((p) => p.getFullscreenMaterial().setTexelSize(1 / w, 1 / h));\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    const initializables = [\n      this.cocPass,\n      this.maskPass,\n      this.bokehNearBasePass,\n      this.bokehNearFillPass,\n      this.bokehFarBasePass,\n      this.bokehFarFillPass\n    ];\n    initializables.forEach((i) => i.initialize(renderer, alpha, frameBufferType));\n    this.blurPass.initialize(renderer, alpha, UnsignedByteType10);\n    if (!alpha && frameBufferType === UnsignedByteType10) {\n      this.renderTargetNear.texture.type = RGBFormat6;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTarget.texture.type = frameBufferType;\n      this.renderTargetNear.texture.type = frameBufferType;\n      this.renderTargetFar.texture.type = frameBufferType;\n      this.renderTargetMasked.texture.type = frameBufferType;\n    }\n  }\n};\n\n// src/effects/DotScreenEffect.js\nimport { Uniform as Uniform26, Vector2 as Vector215 } from \"three\";\n\n// src/effects/glsl/dot-screen/shader.frag\nvar shader_default55 = \"uniform vec2 angle;uniform float scale;float pattern(const in vec2 uv){vec2 point=scale*vec2(dot(angle.yx,vec2(uv.x,-uv.y)),dot(angle,uv));return(sin(point.x)*sin(point.y))*4.0;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(inputColor.rgb*10.0-5.0+pattern(uv*resolution));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DotScreenEffect.js\nvar DotScreenEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    angle = Math.PI * 0.5,\n    scale = 1\n  } = {}) {\n    super(\"DotScreenEffect\", shader_default55, {\n      blendFunction,\n      uniforms: new Map([\n        [\"angle\", new Uniform26(new Vector215())],\n        [\"scale\", new Uniform26(scale)]\n      ])\n    });\n    this.setAngle(angle);\n  }\n  setAngle(angle) {\n    this.uniforms.get(\"angle\").value.set(Math.sin(angle), Math.cos(angle));\n  }\n};\n\n// src/effects/GammaCorrectionEffect.js\nimport { Uniform as Uniform27 } from \"three\";\n\n// src/effects/glsl/gamma-correction/shader.frag\nvar shader_default56 = \"uniform float gamma;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=LinearToGamma(max(inputColor,0.0),gamma);}\";\n\n// src/effects/GammaCorrectionEffect.js\nvar GammaCorrectionEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    gamma = 2\n  } = {}) {\n    super(\"GammaCorrectionEffect\", shader_default56, {\n      blendFunction,\n      uniforms: new Map([\n        [\"gamma\", new Uniform27(gamma)]\n      ])\n    });\n  }\n};\n\n// src/effects/GlitchEffect.js\nimport {\n  NearestFilter as NearestFilter6,\n  RepeatWrapping,\n  RGBFormat as RGBFormat8,\n  Uniform as Uniform28,\n  Vector2 as Vector216\n} from \"three\";\n\n// src/images/textures/NoiseTexture.js\nimport {\n  DataTexture,\n  LuminanceFormat as LuminanceFormat2,\n  RedFormat,\n  RGFormat,\n  RGBFormat as RGBFormat7,\n  RGBAFormat as RGBAFormat4,\n  UnsignedByteType as UnsignedByteType11\n} from \"three\";\nfunction getNoise(size, format, type) {\n  const channels = new Map([\n    [LuminanceFormat2, 1],\n    [RedFormat, 1],\n    [RGFormat, 2],\n    [RGBFormat7, 3],\n    [RGBAFormat4, 4]\n  ]);\n  let data;\n  if (!channels.has(format)) {\n    console.error(\"Invalid noise texture format\");\n  }\n  if (type === UnsignedByteType11) {\n    data = new Uint8Array(size * channels.get(format));\n    for (let i = 0, l = data.length; i < l; ++i) {\n      data[i] = Math.random() * 255;\n    }\n  } else {\n    data = new Float32Array(size * channels.get(format));\n    for (let i = 0, l = data.length; i < l; ++i) {\n      data[i] = Math.random();\n    }\n  }\n  return data;\n}\nvar NoiseTexture = class extends DataTexture {\n  constructor(width, height, format = LuminanceFormat2, type = UnsignedByteType11) {\n    super(getNoise(width * height, format, type), width, height, format, type);\n  }\n};\n\n// src/effects/glsl/glitch/shader.frag\nvar shader_default57 = \"uniform lowp sampler2D perturbationMap;uniform bool active;uniform float columns;uniform float random;uniform vec2 seed;uniform vec2 distortion;void mainUv(inout vec2 uv){if(active){if(uv.y<distortion.x+columns&&uv.y>distortion.x-columns*random){float sx=clamp(ceil(seed.x),0.0,1.0);uv.y=sx*(1.0-(uv.y+distortion.y))+(1.0-sx)*distortion.y;}if(uv.x<distortion.y+columns&&uv.x>distortion.y-columns*random){float sy=clamp(ceil(seed.y),0.0,1.0);uv.x=sy*distortion.x+(1.0-sy)*(1.0-(uv.x+distortion.x));}vec2 normal=texture2D(perturbationMap,uv*random*random).rg;uv+=normal*seed*(random*0.2);}}\";\n\n// src/effects/GlitchEffect.js\nvar tag = \"Glitch.Generated\";\nfunction randomFloat(low, high) {\n  return low + Math.random() * (high - low);\n}\nvar GlitchEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    chromaticAberrationOffset = null,\n    delay = new Vector216(1.5, 3.5),\n    duration = new Vector216(0.6, 1),\n    strength = new Vector216(0.3, 1),\n    columns = 0.05,\n    ratio = 0.85,\n    perturbationMap = null,\n    dtSize = 64\n  } = {}) {\n    super(\"GlitchEffect\", shader_default57, {\n      blendFunction,\n      uniforms: new Map([\n        [\"perturbationMap\", new Uniform28(null)],\n        [\"columns\", new Uniform28(columns)],\n        [\"active\", new Uniform28(false)],\n        [\"random\", new Uniform28(1)],\n        [\"seed\", new Uniform28(new Vector216())],\n        [\"distortion\", new Uniform28(new Vector216())]\n      ])\n    });\n    this.setPerturbationMap(perturbationMap === null ? this.generatePerturbationMap(dtSize) : perturbationMap);\n    this.delay = delay;\n    this.duration = duration;\n    this.breakPoint = new Vector216(randomFloat(this.delay.x, this.delay.y), randomFloat(this.duration.x, this.duration.y));\n    this.time = 0;\n    this.seed = this.uniforms.get(\"seed\").value;\n    this.distortion = this.uniforms.get(\"distortion\").value;\n    this.mode = GlitchMode.SPORADIC;\n    this.strength = strength;\n    this.ratio = ratio;\n    this.chromaticAberrationOffset = chromaticAberrationOffset;\n  }\n  get active() {\n    return this.uniforms.get(\"active\").value;\n  }\n  getPerturbationMap() {\n    return this.uniforms.get(\"perturbationMap\").value;\n  }\n  setPerturbationMap(map) {\n    const currentMap = this.getPerturbationMap();\n    if (currentMap !== null && currentMap.name === tag) {\n      currentMap.dispose();\n    }\n    map.minFilter = map.magFilter = NearestFilter6;\n    map.wrapS = map.wrapT = RepeatWrapping;\n    map.generateMipmaps = false;\n    this.uniforms.get(\"perturbationMap\").value = map;\n  }\n  generatePerturbationMap(size = 64) {\n    const map = new NoiseTexture(size, size, RGBFormat8);\n    map.name = tag;\n    return map;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const mode = this.mode;\n    const breakPoint = this.breakPoint;\n    const offset = this.chromaticAberrationOffset;\n    const s = this.strength;\n    let time = this.time;\n    let active = false;\n    let r = 0, a = 0;\n    let trigger;\n    if (mode !== GlitchMode.DISABLED) {\n      if (mode === GlitchMode.SPORADIC) {\n        time += deltaTime;\n        trigger = time > breakPoint.x;\n        if (time >= breakPoint.x + breakPoint.y) {\n          breakPoint.set(randomFloat(this.delay.x, this.delay.y), randomFloat(this.duration.x, this.duration.y));\n          time = 0;\n        }\n      }\n      r = Math.random();\n      this.uniforms.get(\"random\").value = r;\n      if (trigger && r > this.ratio || mode === GlitchMode.CONSTANT_WILD) {\n        active = true;\n        r *= s.y * 0.03;\n        a = randomFloat(-Math.PI, Math.PI);\n        this.seed.set(randomFloat(-s.y, s.y), randomFloat(-s.y, s.y));\n        this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n      } else if (trigger || mode === GlitchMode.CONSTANT_MILD) {\n        active = true;\n        r *= s.x * 0.03;\n        a = randomFloat(-Math.PI, Math.PI);\n        this.seed.set(randomFloat(-s.x, s.x), randomFloat(-s.x, s.x));\n        this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n      }\n      this.time = time;\n    }\n    if (offset !== null) {\n      if (active) {\n        offset.set(Math.cos(a), Math.sin(a)).multiplyScalar(r);\n      } else {\n        offset.set(0, 0);\n      }\n    }\n    this.uniforms.get(\"active\").value = active;\n  }\n};\nvar GlitchMode = {\n  DISABLED: 0,\n  SPORADIC: 1,\n  CONSTANT_MILD: 2,\n  CONSTANT_WILD: 3\n};\n\n// src/effects/GodRaysEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking5,\n  Color as Color4,\n  DepthTexture as DepthTexture2,\n  LinearFilter as LinearFilter7,\n  Matrix4 as Matrix42,\n  RGBFormat as RGBFormat9,\n  Scene as Scene3,\n  Uniform as Uniform29,\n  Vector2 as Vector217,\n  Vector3,\n  UnsignedByteType as UnsignedByteType12,\n  WebGLRenderTarget as WebGLRenderTarget12\n} from \"three\";\n\n// src/effects/glsl/god-rays/shader.frag\nvar shader_default58 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv);}\";\n\n// src/effects/GodRaysEffect.js\nvar v = new Vector3();\nvar m = new Matrix42();\nvar GodRaysEffect = class extends Effect {\n  constructor(camera, lightSource, {\n    blendFunction = BlendFunction.SCREEN,\n    samples = 60,\n    density = 0.96,\n    decay = 0.9,\n    weight = 0.4,\n    exposure = 0.6,\n    clampMax = 1,\n    resolutionScale = 0.5,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    kernelSize = KernelSize.SMALL,\n    blur = true\n  } = {}) {\n    super(\"GodRaysEffect\", shader_default58, {\n      blendFunction,\n      attributes: EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"map\", new Uniform29(null)]\n      ])\n    });\n    this.camera = camera;\n    this.lightSource = lightSource;\n    this.lightSource.material.depthWrite = false;\n    this.lightSource.material.transparent = true;\n    this.lightScene = new Scene3();\n    this.screenPosition = new Vector217();\n    this.renderTargetA = new WebGLRenderTarget12(1, 1, {\n      minFilter: LinearFilter7,\n      magFilter: LinearFilter7,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTargetA.texture.name = \"GodRays.Target.A\";\n    this.renderTargetB = this.renderTargetA.clone();\n    this.renderTargetB.texture.name = \"GodRays.Target.B\";\n    this.uniforms.get(\"map\").value = this.renderTargetB.texture;\n    this.renderTargetLight = this.renderTargetA.clone();\n    this.renderTargetLight.texture.name = \"GodRays.Light\";\n    this.renderTargetLight.depthBuffer = true;\n    this.renderTargetLight.depthTexture = new DepthTexture2();\n    this.renderPassLight = new RenderPass(this.lightScene, camera);\n    this.renderPassLight.getClearPass().overrideClearColor = new Color4(0);\n    this.clearPass = new ClearPass(true, false, false);\n    this.clearPass.overrideClearColor = new Color4(0);\n    this.blurPass = new BlurPass({\n      resolutionScale,\n      width,\n      height,\n      kernelSize\n    });\n    this.blurPass.resolution.resizable = this;\n    this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n    const depthMaskMaterial = this.depthMaskPass.getFullscreenMaterial();\n    depthMaskMaterial.uniforms.depthBuffer1.value = this.renderTargetLight.depthTexture;\n    this.godRaysPass = new ShaderPass(new GodRaysMaterial(this.screenPosition));\n    const godRaysMaterial = this.godRaysPass.getFullscreenMaterial();\n    godRaysMaterial.uniforms.density.value = density;\n    godRaysMaterial.uniforms.decay.value = decay;\n    godRaysMaterial.uniforms.weight.value = weight;\n    godRaysMaterial.uniforms.exposure.value = exposure;\n    godRaysMaterial.uniforms.clampMax.value = clampMax;\n    this.samples = samples;\n    this.blur = blur;\n  }\n  get texture() {\n    return this.renderTargetB.texture;\n  }\n  get godRaysMaterial() {\n    return this.godRaysPass.getFullscreenMaterial();\n  }\n  get resolution() {\n    return this.blurPass.resolution;\n  }\n  get width() {\n    return this.resolution.width;\n  }\n  set width(value) {\n    this.resolution.width = value;\n  }\n  get height() {\n    return this.resolution.height;\n  }\n  set height(value) {\n    this.resolution.height = value;\n  }\n  get dithering() {\n    return this.godRaysMaterial.dithering;\n  }\n  set dithering(value) {\n    const material = this.godRaysMaterial;\n    material.dithering = value;\n    material.needsUpdate = true;\n  }\n  get blur() {\n    return this.blurPass.enabled;\n  }\n  set blur(value) {\n    this.blurPass.enabled = value;\n  }\n  get kernelSize() {\n    return this.blurPass.kernelSize;\n  }\n  set kernelSize(value) {\n    this.blurPass.kernelSize = value;\n  }\n  getResolutionScale() {\n    return this.resolution.scale;\n  }\n  setResolutionScale(scale) {\n    this.resolution.scale = scale;\n  }\n  get samples() {\n    return this.godRaysMaterial.samples;\n  }\n  set samples(value) {\n    this.godRaysMaterial.samples = value;\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking5) {\n    const material = this.depthMaskPass.getFullscreenMaterial();\n    material.uniforms.depthBuffer0.value = depthTexture;\n    material.defines.DEPTH_PACKING_0 = depthPacking.toFixed(0);\n    material.needsUpdate = true;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const lightSource = this.lightSource;\n    const parent = lightSource.parent;\n    const matrixAutoUpdate = lightSource.matrixAutoUpdate;\n    const renderTargetA = this.renderTargetA;\n    const renderTargetLight = this.renderTargetLight;\n    lightSource.material.depthWrite = true;\n    lightSource.matrixAutoUpdate = false;\n    lightSource.updateWorldMatrix(true, false);\n    if (parent !== null) {\n      if (!matrixAutoUpdate) {\n        m.copy(lightSource.matrix);\n      }\n      lightSource.matrix.copy(lightSource.matrixWorld);\n    }\n    this.lightScene.add(lightSource);\n    this.renderPassLight.render(renderer, renderTargetLight);\n    this.clearPass.render(renderer, renderTargetA);\n    this.depthMaskPass.render(renderer, renderTargetLight, renderTargetA);\n    lightSource.material.depthWrite = false;\n    lightSource.matrixAutoUpdate = matrixAutoUpdate;\n    if (parent !== null) {\n      if (!matrixAutoUpdate) {\n        lightSource.matrix.copy(m);\n      }\n      parent.add(lightSource);\n    }\n    v.setFromMatrixPosition(lightSource.matrixWorld).project(this.camera);\n    this.screenPosition.set(Math.min(Math.max((v.x + 1) * 0.5, -1), 2), Math.min(Math.max((v.y + 1) * 0.5, -1), 2));\n    if (this.blur) {\n      this.blurPass.render(renderer, renderTargetA, renderTargetA);\n    }\n    this.godRaysPass.render(renderer, renderTargetA, this.renderTargetB);\n  }\n  setSize(width, height) {\n    this.blurPass.setSize(width, height);\n    this.renderPassLight.setSize(width, height);\n    this.depthMaskPass.setSize(width, height);\n    this.godRaysPass.setSize(width, height);\n    const w = this.resolution.width;\n    const h = this.resolution.height;\n    this.renderTargetA.setSize(w, h);\n    this.renderTargetB.setSize(w, h);\n    this.renderTargetLight.setSize(w, h);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    this.blurPass.initialize(renderer, alpha, frameBufferType);\n    this.renderPassLight.initialize(renderer, alpha, frameBufferType);\n    this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n    this.godRaysPass.initialize(renderer, alpha, frameBufferType);\n    if (!alpha && frameBufferType === UnsignedByteType12) {\n      this.renderTargetA.texture.format = RGBFormat9;\n      this.renderTargetB.texture.format = RGBFormat9;\n      this.renderTargetLight.texture.format = RGBFormat9;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTargetA.texture.type = frameBufferType;\n      this.renderTargetB.texture.type = frameBufferType;\n      this.renderTargetLight.texture.type = frameBufferType;\n    }\n  }\n};\n\n// src/effects/GridEffect.js\nimport { Uniform as Uniform30, Vector2 as Vector218 } from \"three\";\n\n// src/effects/glsl/grid/shader.frag\nvar shader_default59 = \"uniform vec2 scale;uniform float lineWidth;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float grid=0.5-max(abs(mod(uv.x*scale.x,1.0)-0.5),abs(mod(uv.y*scale.y,1.0)-0.5));outputColor=vec4(vec3(smoothstep(0.0,lineWidth,grid)),inputColor.a);}\";\n\n// src/effects/GridEffect.js\nvar GridEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.OVERLAY,\n    scale = 1,\n    lineWidth = 0\n  } = {}) {\n    super(\"GridEffect\", shader_default59, {\n      blendFunction,\n      uniforms: new Map([\n        [\"scale\", new Uniform30(new Vector218())],\n        [\"lineWidth\", new Uniform30(lineWidth)]\n      ])\n    });\n    this.resolution = new Vector218();\n    this.scale = Math.max(scale, 1e-6);\n    this.lineWidth = Math.max(lineWidth, 0);\n  }\n  getScale() {\n    return this.scale;\n  }\n  setScale(scale) {\n    this.scale = scale;\n    this.setSize(this.resolution.x, this.resolution.y);\n  }\n  getLineWidth() {\n    return this.lineWidth;\n  }\n  setLineWidth(lineWidth) {\n    this.lineWidth = lineWidth;\n    this.setSize(this.resolution.x, this.resolution.y);\n  }\n  setSize(width, height) {\n    this.resolution.set(width, height);\n    const aspect = width / height;\n    const scale = this.scale * (height * 0.125);\n    this.uniforms.get(\"scale\").value.set(aspect * scale, scale);\n    this.uniforms.get(\"lineWidth\").value = scale / height + this.lineWidth;\n  }\n};\n\n// src/effects/HueSaturationEffect.js\nimport { Uniform as Uniform31, Vector3 as Vector32 } from \"three\";\n\n// src/effects/glsl/hue-saturation/shader.frag\nvar shader_default60 = \"uniform vec3 hue;uniform float saturation;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,hue.xyz),dot(inputColor.rgb,hue.zxy),dot(inputColor.rgb,hue.yzx));float average=(color.r+color.g+color.b)/3.0;vec3 diff=average-color;if(saturation>0.0){color+=diff*(1.0-1.0/(1.001-saturation));}else{color+=diff*-saturation;}outputColor=vec4(min(color,1.0),inputColor.a);}\";\n\n// src/effects/HueSaturationEffect.js\nvar HueSaturationEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    hue = 0,\n    saturation = 0\n  } = {}) {\n    super(\"HueSaturationEffect\", shader_default60, {\n      blendFunction,\n      uniforms: new Map([\n        [\"hue\", new Uniform31(new Vector32())],\n        [\"saturation\", new Uniform31(saturation)]\n      ])\n    });\n    this.setHue(hue);\n  }\n  setHue(hue) {\n    const s = Math.sin(hue), c2 = Math.cos(hue);\n    this.uniforms.get(\"hue\").value.set(2 * c2, -Math.sqrt(3) * s - c2, Math.sqrt(3) * s - c2).addScalar(1).divideScalar(3);\n  }\n};\n\n// src/effects/LUTEffect.js\nimport {\n  DataTexture3D as DataTexture3D2,\n  FloatType as FloatType5,\n  HalfFloatType as HalfFloatType2,\n  LinearEncoding as LinearEncoding2,\n  LinearFilter as LinearFilter9,\n  NearestFilter as NearestFilter7,\n  sRGBEncoding as sRGBEncoding2,\n  Uniform as Uniform32,\n  Vector3 as Vector34\n} from \"three\";\n\n// src/images/textures/LookupTexture3D.js\nimport {\n  Color as Color5,\n  ClampToEdgeWrapping,\n  DataTexture as DataTexture2,\n  DataTexture3D,\n  FloatType as FloatType4,\n  LinearFilter as LinearFilter8,\n  LinearEncoding,\n  RGBFormat as RGBFormat10,\n  RGBAFormat as RGBAFormat5,\n  sRGBEncoding,\n  UnsignedByteType as UnsignedByteType13,\n  Vector3 as Vector33\n} from \"three\";\n\n// src/images/RawImageData.js\nfunction createCanvas(width, height, data) {\n  const canvas = document.createElementNS(\"http://www.w3.org/1999/xhtml\", \"canvas\");\n  const context = canvas.getContext(\"2d\");\n  canvas.width = width;\n  canvas.height = height;\n  if (data instanceof Image) {\n    context.drawImage(data, 0, 0);\n  } else {\n    const imageData = context.createImageData(width, height);\n    imageData.data.set(data);\n    context.putImageData(imageData, 0, 0);\n  }\n  return canvas;\n}\nvar RawImageData = class {\n  constructor(width = 0, height = 0, data = null) {\n    this.width = width;\n    this.height = height;\n    this.data = data;\n  }\n  toCanvas() {\n    return typeof document === \"undefined\" ? null : createCanvas(this.width, this.height, this.data);\n  }\n  static from(image) {\n    const { width, height } = image;\n    let data;\n    if (image instanceof Image) {\n      const canvas = createCanvas(width, height, image);\n      if (canvas !== null) {\n        const context = canvas.getContext(\"2d\");\n        data = context.getImageData(0, 0, width, height).data;\n      }\n    } else {\n      data = image.data;\n    }\n    return new RawImageData(width, height, data);\n  }\n};\n\n// src/images/lut/LUTOperation.js\nvar LUTOperation = {\n  SCALE_UP: \"lut.scaleup\"\n};\n\n// tmp/lut/worker.txt\nvar worker_default = '(()=>{var q=Math.pow;var _={SCALE_UP:\"lut.scaleup\"};var k=[new Float32Array(3),new Float32Array(3)],t=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],U=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];function L(a,n,r,m){let h=r[0]-n[0],e=r[1]-n[1],s=r[2]-n[2],l=a[0]-n[0],w=a[1]-n[1],c=a[2]-n[2],y=e*c-s*w,A=s*l-h*c,g=h*w-e*l,p=Math.sqrt(y*y+A*A+g*g),V=p*.5,F=y/p,f=A/p,i=g/p,u=-(a[0]*F+a[1]*f+a[2]*i),M=m[0]*F+m[1]*f+m[2]*i;return Math.abs(M+u)*V/3}function X(a,n,r,m,h,e){let s=(r+m*n+h*n*n)*3;e[0]=a[s+0],e[1]=a[s+1],e[2]=a[s+2]}function j(a,n,r,m,h,e){let s=r*(n-1),l=m*(n-1),w=h*(n-1),c=Math.floor(s),y=Math.floor(l),A=Math.floor(w),g=Math.ceil(s),p=Math.ceil(l),V=Math.ceil(w),F=s-c,f=l-y,i=w-A;if(c===s&&y===l&&A===w)X(a,n,s,l,w,e);else{let u;F>=f&&f>=i?u=U[0]:F>=i&&i>=f?u=U[1]:i>=F&&F>=f?u=U[2]:f>=F&&F>=i?u=U[3]:f>=i&&i>=F?u=U[4]:i>=f&&f>=F&&(u=U[5]);let[M,x,P,T]=u,d=k[0];d[0]=F,d[1]=f,d[2]=i;let o=k[1],Y=g-c,Z=p-y,b=V-A;o[0]=Y*M[0]+c,o[1]=Z*M[1]+y,o[2]=b*M[2]+A,X(a,n,o[0],o[1],o[2],t[0]),o[0]=Y*x[0]+c,o[1]=Z*x[1]+y,o[2]=b*x[2]+A,X(a,n,o[0],o[1],o[2],t[1]),o[0]=Y*P[0]+c,o[1]=Z*P[1]+y,o[2]=b*P[2]+A,X(a,n,o[0],o[1],o[2],t[2]),o[0]=Y*T[0]+c,o[1]=Z*T[1]+y,o[2]=b*T[2]+A,X(a,n,o[0],o[1],o[2],t[3]);let v=L(x,P,T,d)*6,S=L(M,P,T,d)*6,C=L(M,x,T,d)*6,E=L(M,x,P,d)*6;t[0][0]*=v,t[0][1]*=v,t[0][2]*=v,t[1][0]*=S,t[1][1]*=S,t[1][2]*=S,t[2][0]*=C,t[2][1]*=C,t[2][2]*=C,t[3][0]*=E,t[3][1]*=E,t[3][2]*=E,e[0]=t[0][0]+t[1][0]+t[2][0]+t[3][0],e[1]=t[0][1]+t[1][1]+t[2][1]+t[3][1],e[2]=t[0][2]+t[1][2]+t[2][2]+t[3][2]}}var O=class{static expand(n,r){let m=Math.cbrt(n.length/3),h=new Float32Array(3),e=new n.constructor(q(r,3)*3),s=1/(r-1);for(let l=0;l<r;++l)for(let w=0;w<r;++w)for(let c=0;c<r;++c){let y=c*s,A=w*s,g=l*s,p=Math.round(c+w*r+l*r*r)*3;j(n,m,y,A,g,h),e[p+0]=h[0],e[p+1]=h[1],e[p+2]=h[2]}return e}};self.addEventListener(\"message\",a=>{let n=a.data,r=n.data;switch(n.operation){case _.SCALE_UP:r=O.expand(r,n.size);break}postMessage(r,[r.buffer]),close()});})();\\n';\n\n// src/images/textures/LookupTexture3D.js\nvar c = new Color5();\nvar LookupTexture3D = class extends DataTexture3D {\n  constructor(data, size) {\n    super(data, size, size, size);\n    this.type = FloatType4;\n    this.format = RGBFormat10;\n    this.encoding = LinearEncoding;\n    this.minFilter = LinearFilter8;\n    this.magFilter = LinearFilter8;\n    this.wrapS = ClampToEdgeWrapping;\n    this.wrapT = ClampToEdgeWrapping;\n    this.wrapR = ClampToEdgeWrapping;\n    this.unpackAlignment = 1;\n    this.domainMin = new Vector33(0, 0, 0);\n    this.domainMax = new Vector33(1, 1, 1);\n  }\n  get isLookupTexture3D() {\n    return true;\n  }\n  scaleUp(size, transferData = true) {\n    const image = this.image;\n    let promise;\n    if (size <= image.width) {\n      promise = Promise.reject(new Error(\"The target size must be greater than the current size\"));\n    } else {\n      const workerURL = URL.createObjectURL(new Blob([worker_default], {\n        type: \"text/javascript\"\n      }));\n      const worker = new Worker(workerURL);\n      promise = new Promise((resolve, reject) => {\n        worker.addEventListener(\"error\", (event) => reject(event.error));\n        worker.addEventListener(\"message\", (event) => {\n          const lut = new LookupTexture3D(event.data, size);\n          lut.encoding = this.encoding;\n          lut.type = this.type;\n          lut.name = this.name;\n          URL.revokeObjectURL(workerURL);\n          resolve(lut);\n        });\n        const transferList = transferData ? [image.data.buffer] : [];\n        worker.postMessage({\n          operation: LUTOperation.SCALE_UP,\n          data: image.data,\n          size\n        }, transferList);\n      });\n    }\n    return promise;\n  }\n  applyLUT(lut) {\n    const img0 = this.image;\n    const img1 = lut.image;\n    const size0 = Math.min(img0.width, img0.height, img0.depth);\n    const size1 = Math.min(img1.width, img1.height, img1.depth);\n    if (size0 !== size1) {\n      console.error(\"Size mismatch\");\n    } else if (lut.type !== FloatType4 || this.type !== FloatType4) {\n      console.error(\"Both LUTs must be FloatType textures\");\n    } else if (lut.format !== RGBFormat10 || this.format !== RGBFormat10) {\n      console.error(\"Both LUTs must be RGB textures\");\n    } else {\n      const data0 = img0.data;\n      const data1 = img1.data;\n      const size = size0;\n      const s = size - 1;\n      for (let i = 0, l = size ** 3; i < l; ++i) {\n        const i3 = i * 3;\n        const r = data0[i3 + 0] * s;\n        const g = data0[i3 + 1] * s;\n        const b = data0[i3 + 2] * s;\n        const iRGB = Math.round(r + g * size + b * size * size) * 3;\n        data0[i3 + 0] = data1[iRGB + 0];\n        data0[i3 + 1] = data1[iRGB + 1];\n        data0[i3 + 2] = data1[iRGB + 2];\n      }\n      this.needsUpdate = true;\n    }\n    return this;\n  }\n  convertToUint8() {\n    if (this.type === FloatType4) {\n      const floatData = this.image.data;\n      const uint8Data = new Uint8Array(floatData.length);\n      for (let i = 0, l = floatData.length; i < l; ++i) {\n        uint8Data[i] = floatData[i] * 255;\n      }\n      this.image.data = uint8Data;\n      this.type = UnsignedByteType13;\n      this.needsUpdate = true;\n    }\n    return this;\n  }\n  convertToFloat() {\n    if (this.type === UnsignedByteType13) {\n      const uint8Data = this.image.data;\n      const floatData = new Float32Array(uint8Data.length);\n      for (let i = 0, l = uint8Data.length; i < l; ++i) {\n        floatData[i] = uint8Data[i] / 255;\n      }\n      this.image.data = floatData;\n      this.type = FloatType4;\n      this.needsUpdate = true;\n    }\n    return this;\n  }\n  convertLinearToSRGB() {\n    const data = this.image.data;\n    if (this.type === FloatType4) {\n      const stride = this.format === RGBAFormat5 ? 4 : 3;\n      for (let i = 0, l = data.length; i < l; i += stride) {\n        c.fromArray(data, i).convertLinearToSRGB().toArray(data, i);\n      }\n      this.encoding = sRGBEncoding;\n      this.needsUpdate = true;\n    } else {\n      console.error(\"Color space conversion requires FloatType data\");\n    }\n    return this;\n  }\n  convertSRGBToLinear() {\n    const data = this.image.data;\n    if (this.type === FloatType4) {\n      const stride = this.format === RGBAFormat5 ? 4 : 3;\n      for (let i = 0, l = data.length; i < l; i += stride) {\n        c.fromArray(data, i).convertSRGBToLinear().toArray(data, i);\n      }\n      this.encoding = LinearEncoding;\n      this.needsUpdate = true;\n    } else {\n      console.error(\"Color space conversion requires FloatType data\");\n    }\n    return this;\n  }\n  convertToRGBA() {\n    if (this.format === RGBFormat10) {\n      const size = this.image.width;\n      const rgbData = this.image.data;\n      const rgbaData = new rgbData.constructor(size ** 3 * 4);\n      const maxValue = this.type === FloatType4 ? 1 : 255;\n      for (let i = 0, j = 0, l = rgbData.length; i < l; i += 3, j += 4) {\n        rgbaData[j + 0] = rgbData[i + 0];\n        rgbaData[j + 1] = rgbData[i + 1];\n        rgbaData[j + 2] = rgbData[i + 2];\n        rgbaData[j + 3] = maxValue;\n      }\n      this.image.data = rgbaData;\n      this.format = RGBAFormat5;\n      this.needsUpdate = true;\n    }\n    return this;\n  }\n  toDataTexture() {\n    const width = this.image.width;\n    const height = this.image.height * this.image.depth;\n    const texture = new DataTexture2(this.image.data, width, height);\n    texture.name = this.name;\n    texture.type = this.type;\n    texture.format = this.format;\n    texture.encoding = this.encoding;\n    texture.minFilter = LinearFilter8;\n    texture.magFilter = LinearFilter8;\n    texture.wrapS = this.wrapS;\n    texture.wrapT = this.wrapT;\n    texture.generateMipmaps = false;\n    return texture;\n  }\n  static from(texture) {\n    const image = texture.image;\n    const { width, height } = image;\n    const size = Math.min(width, height);\n    let data;\n    if (image instanceof Image) {\n      const rawImageData = RawImageData.from(image);\n      data = rawImageData.data;\n      const rearrangedData = new Uint8Array(size ** 3 * 3);\n      if (width > height) {\n        for (let z = 0; z < size; ++z) {\n          for (let y = 0; y < size; ++y) {\n            for (let x = 0; x < size; ++x) {\n              const i4 = (x + z * size + y * size * size) * 4;\n              const i3 = (x + y * size + z * size * size) * 3;\n              rearrangedData[i3 + 0] = data[i4 + 0];\n              rearrangedData[i3 + 1] = data[i4 + 1];\n              rearrangedData[i3 + 2] = data[i4 + 2];\n            }\n          }\n        }\n      } else {\n        for (let i = 0, l = size ** 3; i < l; ++i) {\n          const i4 = i * 4;\n          const i3 = i * 3;\n          rearrangedData[i3 + 0] = data[i4 + 0];\n          rearrangedData[i3 + 1] = data[i4 + 1];\n          rearrangedData[i3 + 2] = data[i4 + 2];\n        }\n      }\n      data = rearrangedData;\n    } else {\n      data = image.data.slice();\n    }\n    const lut = new LookupTexture3D(data, size);\n    lut.type = texture.type;\n    lut.encoding = texture.encoding;\n    lut.name = texture.name;\n    return lut;\n  }\n  static createNeutral(size) {\n    const data = new Float32Array(size ** 3 * 3);\n    const s = 1 / (size - 1);\n    for (let r = 0; r < size; ++r) {\n      for (let g = 0; g < size; ++g) {\n        for (let b = 0; b < size; ++b) {\n          const i3 = (r + g * size + b * size * size) * 3;\n          data[i3 + 0] = r * s;\n          data[i3 + 1] = g * s;\n          data[i3 + 2] = b * s;\n        }\n      }\n    }\n    const lut = new LookupTexture3D(data, size);\n    lut.name = \"neutral\";\n    return lut;\n  }\n};\n\n// src/effects/glsl/lut/shader.frag\nvar shader_default61 = \"uniform vec3 scale;uniform vec3 offset;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nuniform vec3 domainMin;uniform vec3 domainMax;\\n#endif\\n#ifdef LUT_3D\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler3D lut;\\n#else\\nuniform mediump sampler3D lut;\\n#endif\\n#else\\nuniform lowp sampler3D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){\\n#ifdef TETRAHEDRAL_INTERPOLATION\\nvec3 p=floor(rgb);vec3 f=rgb-p;vec3 v1=(p+0.5)*LUT_TEXEL_WIDTH;vec3 v4=(p+1.5)*LUT_TEXEL_WIDTH;vec3 v2,v3;vec3 frac;if(f.r>=f.g){if(f.g>f.b){frac=f.rgb;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else if(f.r>=f.b){frac=f.rbg;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v1.y,v4.z);}else{frac=f.brg;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v4.x,v1.y,v4.z);}}else{if(f.b>f.g){frac=f.bgr;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v1.x,v4.y,v4.z);}else if(f.r>=f.b){frac=f.grb;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else{frac=f.gbr;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v1.x,v4.y,v4.z);}}vec4 n1=texture(lut,v1);vec4 n2=texture(lut,v2);vec4 n3=texture(lut,v3);vec4 n4=texture(lut,v4);vec4 weights=vec4(1.0-frac.x,frac.x-frac.y,frac.y-frac.z,frac.z);vec4 result=weights*mat4(vec4(n1.r,n2.r,n3.r,n4.r),vec4(n1.g,n2.g,n3.g,n4.g),vec4(n1.b,n2.b,n3.b,n4.b),vec4(1.0));return vec4(result.rgb,1.0);\\n#else\\nreturn texture(lut,rgb);\\n#endif\\n}\\n#else\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){float slice=rgb.b*LUT_SIZE;float slice0=floor(slice);float interp=slice-slice0;float centeredInterp=interp-0.5;float slice1=slice0+sign(centeredInterp);\\n#ifdef LUT_STRIP_HORIZONTAL\\nfloat xOffset=clamp(rgb.r*LUT_TEXEL_HEIGHT,LUT_TEXEL_WIDTH*0.5,LUT_TEXEL_HEIGHT-LUT_TEXEL_WIDTH*0.5);vec2 uv0=vec2(slice0*LUT_TEXEL_HEIGHT+xOffset,rgb.g);vec2 uv1=vec2(slice1*LUT_TEXEL_HEIGHT+xOffset,rgb.g);\\n#else\\nfloat yOffset=clamp(rgb.g*LUT_TEXEL_WIDTH,LUT_TEXEL_HEIGHT*0.5,LUT_TEXEL_WIDTH-LUT_TEXEL_HEIGHT*0.5);vec2 uv0=vec2(rgb.r,slice0*LUT_TEXEL_WIDTH+yOffset);vec2 uv1=vec2(rgb.r,slice1*LUT_TEXEL_WIDTH+yOffset);\\n#endif\\nvec4 sample0=texture2D(lut,uv0);vec4 sample1=texture2D(lut,uv1);return mix(sample0,sample1,abs(centeredInterp));}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 c=linearToInputTexel(inputColor).rgb;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nif(c.r>=domainMin.r&&c.g>=domainMin.g&&c.b>=domainMin.b&&c.r<=domainMax.r&&c.g<=domainMax.g&&c.b<=domainMax.b){c=texelToLinear(applyLUT(scale*c+offset)).rgb;}else{c=inputColor.rgb;}\\n#else\\n#if !defined(LUT_3D) || defined(TETRAHEDRAL_INTERPOLATION)\\nc=clamp(c,0.0,1.0);\\n#endif\\nc=texelToLinear(applyLUT(scale*c+offset)).rgb;\\n#endif\\noutputColor=vec4(c,inputColor.a);}\";\n\n// src/effects/LUTEffect.js\nvar LUTEffect = class extends Effect {\n  constructor(lut, {\n    blendFunction = BlendFunction.NORMAL,\n    tetrahedralInterpolation = false\n  } = {}) {\n    super(\"LUTEffect\", shader_default61, {\n      blendFunction,\n      uniforms: new Map([\n        [\"lut\", new Uniform32(null)],\n        [\"scale\", new Uniform32(new Vector34())],\n        [\"offset\", new Uniform32(new Vector34())],\n        [\"domainMin\", new Uniform32(null)],\n        [\"domainMax\", new Uniform32(null)]\n      ])\n    });\n    this.tetrahedralInterpolation = tetrahedralInterpolation;\n    this.inputEncoding = sRGBEncoding2;\n    this.outputEncoding = this.inputEncoding;\n    this.setInputEncoding(sRGBEncoding2);\n    this.setLUT(lut);\n  }\n  getOutputEncoding() {\n    return this.outputEncoding;\n  }\n  getInputEncoding() {\n    return this.inputEncoding;\n  }\n  setInputEncoding(value) {\n    const defines = this.defines;\n    const lut = this.getLUT();\n    switch (value) {\n      case sRGBEncoding2:\n        defines.set(\"linearToInputTexel(texel)\", \"LinearTosRGB(texel)\");\n        break;\n      case LinearEncoding2:\n        defines.set(\"linearToInputTexel(texel)\", \"texel\");\n        break;\n      default:\n        console.error(\"Unsupported input encoding:\", value);\n        break;\n    }\n    if (lut !== null) {\n      this.outputEncoding = lut.encoding === LinearEncoding2 ? value : lut.encoding;\n      switch (this.outputEncoding) {\n        case sRGBEncoding2:\n          defines.set(\"texelToLinear(texel)\", \"sRGBToLinear(texel)\");\n          break;\n        case LinearEncoding2:\n          defines.set(\"texelToLinear(texel)\", \"texel\");\n          break;\n        default:\n          console.error(\"Unsupported LUT encoding:\", lut.encoding);\n          break;\n      }\n    }\n    if (this.inputEncoding !== value) {\n      this.inputEncoding = value;\n      this.setChanged();\n    }\n  }\n  getLUT() {\n    return this.uniforms.get(\"lut\").value;\n  }\n  setLUT(lut) {\n    const defines = this.defines;\n    const uniforms = this.uniforms;\n    if (this.getLUT() !== lut) {\n      const image = lut.image;\n      defines.clear();\n      defines.set(\"LUT_SIZE\", Math.min(image.width, image.height).toFixed(16));\n      defines.set(\"LUT_TEXEL_WIDTH\", (1 / image.width).toFixed(16));\n      defines.set(\"LUT_TEXEL_HEIGHT\", (1 / image.height).toFixed(16));\n      uniforms.get(\"lut\").value = lut;\n      uniforms.get(\"domainMin\").value = null;\n      uniforms.get(\"domainMax\").value = null;\n      if (lut.type === FloatType5 || lut.type === HalfFloatType2) {\n        defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n      }\n      if (image.width > image.height) {\n        defines.set(\"LUT_STRIP_HORIZONTAL\", \"1\");\n      } else if (lut instanceof DataTexture3D2) {\n        defines.set(\"LUT_3D\", \"1\");\n      }\n      if (lut instanceof LookupTexture3D) {\n        const min = lut.domainMin;\n        const max = lut.domainMax;\n        if (min.x !== 0 || min.y !== 0 || min.z !== 0 || max.x !== 1 || max.y !== 1 || max.z !== 1) {\n          defines.set(\"CUSTOM_INPUT_DOMAIN\", \"1\");\n          uniforms.get(\"domainMin\").value = min.clone();\n          uniforms.get(\"domainMax\").value = max.clone();\n        }\n      }\n      this.configureTetrahedralInterpolation();\n      this.updateScaleOffset();\n      this.setInputEncoding(this.inputEncoding);\n      this.setChanged();\n    }\n  }\n  updateScaleOffset() {\n    const lut = this.getLUT();\n    const size = Math.min(lut.image.width, lut.image.height);\n    const scale = this.uniforms.get(\"scale\").value;\n    const offset = this.uniforms.get(\"offset\").value;\n    if (this.defines.has(\"TETRAHEDRAL_INTERPOLATION\")) {\n      if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n        const domainScale = lut.domainMax.clone().sub(lut.domainMin);\n        scale.setScalar(size - 1).divide(domainScale);\n        offset.copy(lut.domainMin).negate().multiply(scale);\n      } else {\n        scale.setScalar(size - 1);\n        offset.setScalar(0);\n      }\n    } else {\n      if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n        const domainScale = lut.domainMax.clone().sub(lut.domainMin).multiplyScalar(size);\n        scale.setScalar(size - 1).divide(domainScale);\n        offset.copy(lut.domainMin).negate().multiply(scale).addScalar(1 / (2 * size));\n      } else {\n        scale.setScalar((size - 1) / size);\n        offset.setScalar(1 / (2 * size));\n      }\n    }\n  }\n  configureTetrahedralInterpolation() {\n    const lut = this.getLUT();\n    lut.minFilter = LinearFilter9;\n    lut.magFilter = LinearFilter9;\n    this.defines.delete(\"TETRAHEDRAL_INTERPOLATION\");\n    if (this.tetrahedralInterpolation && lut !== null) {\n      if (lut instanceof DataTexture3D2) {\n        this.defines.set(\"TETRAHEDRAL_INTERPOLATION\", \"1\");\n        lut.minFilter = NearestFilter7;\n        lut.magFilter = NearestFilter7;\n      } else {\n        console.warn(\"Tetrahedral interpolation requires a 3D texture\");\n      }\n    }\n    lut.needsUpdate = true;\n  }\n  setTetrahedralInterpolationEnabled(enabled) {\n    this.tetrahedralInterpolation = enabled;\n    this.configureTetrahedralInterpolation();\n    this.updateScaleOffset();\n    this.setChanged();\n  }\n};\n\n// src/effects/glsl/noise/shader.frag\nvar shader_default62 = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 noise=vec3(rand(uv*time));\\n#ifdef PREMULTIPLY\\noutputColor=vec4(min(inputColor.rgb*noise,vec3(1.0)),inputColor.a);\\n#else\\noutputColor=vec4(noise,inputColor.a);\\n#endif\\n}\";\n\n// src/effects/NoiseEffect.js\nvar NoiseEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.SCREEN,\n    premultiply = false\n  } = {}) {\n    super(\"NoiseEffect\", shader_default62, { blendFunction });\n    this.premultiply = premultiply;\n  }\n  get premultiply() {\n    return this.defines.has(\"PREMULTIPLY\");\n  }\n  set premultiply(value) {\n    if (this.premultiply !== value) {\n      if (value) {\n        this.defines.set(\"PREMULTIPLY\", \"1\");\n      } else {\n        this.defines.delete(\"PREMULTIPLY\");\n      }\n      this.setChanged();\n    }\n  }\n};\n\n// src/effects/OutlineEffect.js\nimport {\n  Color as Color6,\n  LinearFilter as LinearFilter10,\n  RepeatWrapping as RepeatWrapping2,\n  RGBFormat as RGBFormat11,\n  Uniform as Uniform33,\n  UnsignedByteType as UnsignedByteType14,\n  WebGLRenderTarget as WebGLRenderTarget13\n} from \"three\";\n\n// src/effects/glsl/outline/shader.frag\nvar shader_default63 = \"uniform lowp sampler2D edgeTexture;uniform lowp sampler2D maskTexture;uniform vec3 visibleEdgeColor;uniform vec3 hiddenEdgeColor;uniform float pulse;uniform float edgeStrength;\\n#ifdef USE_PATTERN\\nuniform lowp sampler2D patternTexture;varying vec2 vUvPattern;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 edge=texture2D(edgeTexture,uv).rg;vec2 mask=texture2D(maskTexture,uv).rg;\\n#ifndef X_RAY\\nedge.y=0.0;\\n#endif\\nedge*=(edgeStrength*mask.x*pulse);vec3 color=edge.x*visibleEdgeColor+edge.y*hiddenEdgeColor;float visibilityFactor=0.0;\\n#ifdef USE_PATTERN\\nvec4 patternColor=texture2D(patternTexture,vUvPattern);\\n#ifdef X_RAY\\nfloat hiddenFactor=0.5;\\n#else\\nfloat hiddenFactor=0.0;\\n#endif\\nvisibilityFactor=(1.0-mask.y>0.0)? 1.0 : hiddenFactor;visibilityFactor*=(1.0-mask.x)*patternColor.a;color+=visibilityFactor*patternColor.rgb;\\n#endif\\nfloat alpha=max(max(edge.x,edge.y),visibilityFactor);\\n#ifdef ALPHA\\noutputColor=vec4(color,alpha);\\n#else\\noutputColor=vec4(color,max(alpha,inputColor.a));\\n#endif\\n}\";\n\n// src/effects/glsl/outline/shader.vert\nvar shader_default64 = \"uniform float patternScale;varying vec2 vUvPattern;void mainSupport(const in vec2 uv){vUvPattern=uv*vec2(aspect,1.0)*patternScale;}\";\n\n// src/effects/OutlineEffect.js\nvar OutlineEffect = class extends Effect {\n  constructor(scene, camera, {\n    blendFunction = BlendFunction.SCREEN,\n    patternTexture = null,\n    edgeStrength = 1,\n    pulseSpeed = 0,\n    visibleEdgeColor = 16777215,\n    hiddenEdgeColor = 2230538,\n    resolutionScale = 0.5,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    kernelSize = KernelSize.VERY_SMALL,\n    blur = false,\n    xRay = true\n  } = {}) {\n    super(\"OutlineEffect\", shader_default63, {\n      uniforms: new Map([\n        [\"maskTexture\", new Uniform33(null)],\n        [\"edgeTexture\", new Uniform33(null)],\n        [\"edgeStrength\", new Uniform33(edgeStrength)],\n        [\"visibleEdgeColor\", new Uniform33(new Color6(visibleEdgeColor))],\n        [\"hiddenEdgeColor\", new Uniform33(new Color6(hiddenEdgeColor))],\n        [\"pulse\", new Uniform33(1)],\n        [\"patternScale\", new Uniform33(1)],\n        [\"patternTexture\", new Uniform33(null)]\n      ])\n    });\n    this.blendMode.addEventListener(\"change\", (event) => {\n      if (this.blendMode.getBlendFunction() === BlendFunction.ALPHA) {\n        this.defines.set(\"ALPHA\", \"1\");\n      } else {\n        this.defines.delete(\"ALPHA\");\n      }\n      this.setChanged();\n    });\n    this.blendMode.setBlendFunction(blendFunction);\n    this.setPatternTexture(patternTexture);\n    this.xRay = xRay;\n    this.scene = scene;\n    this.camera = camera;\n    this.renderTargetMask = new WebGLRenderTarget13(1, 1, {\n      minFilter: LinearFilter10,\n      magFilter: LinearFilter10,\n      stencilBuffer: false,\n      format: RGBFormat11\n    });\n    this.renderTargetMask.texture.name = \"Outline.Mask\";\n    this.uniforms.get(\"maskTexture\").value = this.renderTargetMask.texture;\n    this.renderTargetOutline = this.renderTargetMask.clone();\n    this.renderTargetOutline.texture.name = \"Outline.Edges\";\n    this.renderTargetOutline.depthBuffer = false;\n    this.renderTargetBlurredOutline = this.renderTargetOutline.clone();\n    this.renderTargetBlurredOutline.texture.name = \"Outline.BlurredEdges\";\n    this.clearPass = new ClearPass();\n    this.clearPass.overrideClearColor = new Color6(0);\n    this.clearPass.overrideClearAlpha = 1;\n    this.depthPass = new DepthPass(scene, camera);\n    this.maskPass = new RenderPass(scene, camera, new DepthComparisonMaterial(this.depthPass.texture, camera));\n    const clearPass = this.maskPass.getClearPass();\n    clearPass.overrideClearColor = new Color6(16777215);\n    clearPass.overrideClearAlpha = 1;\n    this.blurPass = new BlurPass({ resolutionScale, width, height, kernelSize });\n    this.blurPass.resolution.resizable = this;\n    this.blur = blur;\n    this.outlinePass = new ShaderPass(new OutlineMaterial());\n    const outlineMaterial = this.outlinePass.getFullscreenMaterial();\n    outlineMaterial.uniforms.inputBuffer.value = this.renderTargetMask.texture;\n    this.time = 0;\n    this.selection = new Selection();\n    this.pulseSpeed = pulseSpeed;\n  }\n  get resolution() {\n    return this.blurPass.resolution;\n  }\n  get width() {\n    return this.resolution.width;\n  }\n  set width(value) {\n    this.resolution.width = value;\n  }\n  get height() {\n    return this.resolution.height;\n  }\n  set height(value) {\n    this.resolution.height = value;\n  }\n  get selectionLayer() {\n    return this.selection.layer;\n  }\n  set selectionLayer(value) {\n    this.selection.layer = value;\n  }\n  get dithering() {\n    return this.blurPass.dithering;\n  }\n  set dithering(value) {\n    this.blurPass.dithering = value;\n  }\n  get kernelSize() {\n    return this.blurPass.kernelSize;\n  }\n  set kernelSize(value) {\n    this.blurPass.kernelSize = value;\n  }\n  get blur() {\n    return this.blurPass.enabled;\n  }\n  set blur(value) {\n    this.blurPass.enabled = value;\n    this.uniforms.get(\"edgeTexture\").value = value ? this.renderTargetBlurredOutline.texture : this.renderTargetOutline.texture;\n  }\n  get xRay() {\n    return this.defines.has(\"X_RAY\");\n  }\n  set xRay(value) {\n    if (this.xRay !== value) {\n      if (value) {\n        this.defines.set(\"X_RAY\", \"1\");\n      } else {\n        this.defines.delete(\"X_RAY\");\n      }\n      this.setChanged();\n    }\n  }\n  setPatternTexture(texture) {\n    if (texture !== null) {\n      texture.wrapS = texture.wrapT = RepeatWrapping2;\n      this.defines.set(\"USE_PATTERN\", \"1\");\n      this.uniforms.get(\"patternTexture\").value = texture;\n      this.setVertexShader(shader_default64);\n    } else {\n      this.defines.delete(\"USE_PATTERN\");\n      this.uniforms.get(\"patternTexture\").value = null;\n      this.setVertexShader(null);\n    }\n    this.setChanged();\n  }\n  getResolutionScale() {\n    return this.resolution.scale;\n  }\n  setResolutionScale(scale) {\n    this.resolution.scale = scale;\n  }\n  setSelection(objects) {\n    this.selection.set(objects);\n    return this;\n  }\n  clearSelection() {\n    this.selection.clear();\n    return this;\n  }\n  selectObject(object) {\n    this.selection.add(object);\n    return this;\n  }\n  deselectObject(object) {\n    this.selection.delete(object);\n    return this;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const scene = this.scene;\n    const camera = this.camera;\n    const selection = this.selection;\n    const pulse = this.uniforms.get(\"pulse\");\n    const background = scene.background;\n    const mask = camera.layers.mask;\n    if (selection.size > 0) {\n      scene.background = null;\n      pulse.value = 1;\n      if (this.pulseSpeed > 0) {\n        pulse.value = Math.cos(this.time * this.pulseSpeed * 10) * 0.375 + 0.625;\n      }\n      this.time += deltaTime;\n      selection.setVisible(false);\n      this.depthPass.render(renderer);\n      selection.setVisible(true);\n      camera.layers.set(selection.layer);\n      this.maskPass.render(renderer, this.renderTargetMask);\n      camera.layers.mask = mask;\n      scene.background = background;\n      this.outlinePass.render(renderer, null, this.renderTargetOutline);\n      if (this.blur) {\n        this.blurPass.render(renderer, this.renderTargetOutline, this.renderTargetBlurredOutline);\n      }\n    } else if (this.time > 0) {\n      this.clearPass.render(renderer, this.renderTargetMask);\n      this.time = 0;\n    }\n  }\n  setSize(width, height) {\n    this.blurPass.setSize(width, height);\n    this.renderTargetMask.setSize(width, height);\n    const w = this.resolution.width;\n    const h = this.resolution.height;\n    this.depthPass.setSize(w, h);\n    this.renderTargetOutline.setSize(w, h);\n    this.renderTargetBlurredOutline.setSize(w, h);\n    this.outlinePass.getFullscreenMaterial().setTexelSize(1 / w, 1 / h);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    this.blurPass.initialize(renderer, alpha, UnsignedByteType14);\n    if (frameBufferType !== void 0) {\n      this.depthPass.initialize(renderer, alpha, frameBufferType);\n      this.maskPass.initialize(renderer, alpha, frameBufferType);\n      this.outlinePass.initialize(renderer, alpha, frameBufferType);\n    }\n  }\n};\n\n// src/effects/PixelationEffect.js\nimport { Uniform as Uniform34, Vector2 as Vector219 } from \"three\";\n\n// src/effects/glsl/pixelation/shader.frag\nvar shader_default65 = \"uniform bool active;uniform vec2 d;void mainUv(inout vec2 uv){if(active){uv=vec2(d.x*(floor(uv.x/d.x)+0.5),d.y*(floor(uv.y/d.y)+0.5));}}\";\n\n// src/effects/PixelationEffect.js\nvar PixelationEffect = class extends Effect {\n  constructor(granularity = 30) {\n    super(\"PixelationEffect\", shader_default65, {\n      uniforms: new Map([\n        [\"active\", new Uniform34(false)],\n        [\"d\", new Uniform34(new Vector219())]\n      ])\n    });\n    this.resolution = new Vector219();\n    this.granularity = granularity;\n  }\n  getGranularity() {\n    return this.granularity;\n  }\n  setGranularity(granularity) {\n    granularity = Math.floor(granularity);\n    if (granularity % 2 > 0) {\n      granularity += 1;\n    }\n    const uniforms = this.uniforms;\n    uniforms.get(\"active\").value = granularity > 0;\n    uniforms.get(\"d\").value.set(granularity, granularity).divide(this.resolution);\n    this.granularity = granularity;\n  }\n  setSize(width, height) {\n    this.resolution.set(width, height);\n    this.setGranularity(this.granularity);\n  }\n};\n\n// src/effects/RealisticBokehEffect.js\nimport { Uniform as Uniform35, Vector4 as Vector42 } from \"three\";\n\n// src/effects/glsl/realistic-bokeh/shader.frag\nvar shader_default66 = \"uniform float focus;uniform float focalLength;uniform float fStop;uniform float maxBlur;uniform float luminanceThreshold;uniform float luminanceGain;uniform float bias;uniform float fringe;\\n#ifdef MANUAL_DOF\\nuniform vec4 dof;\\n#endif\\n#ifdef PENTAGON\\nfloat pentagon(const in vec2 coords){const vec4 HS0=vec4(1.0,0.0,0.0,1.0);const vec4 HS1=vec4(0.309016994,0.951056516,0.0,1.0);const vec4 HS2=vec4(-0.809016994,0.587785252,0.0,1.0);const vec4 HS3=vec4(-0.809016994,-0.587785252,0.0,1.0);const vec4 HS4=vec4(0.309016994,-0.951056516,0.0,1.0);const vec4 HS5=vec4(0.0,0.0,1.0,1.0);const vec4 ONE=vec4(1.0);const float P_FEATHER=0.4;const float N_FEATHER=-P_FEATHER;float inOrOut=-4.0;vec4 P=vec4(coords,vec2(RINGS_FLOAT-1.3));vec4 dist=vec4(dot(P,HS0),dot(P,HS1),dot(P,HS2),dot(P,HS3));dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dot(dist,ONE);dist.x=dot(P,HS4);dist.y=HS5.w-abs(P.z);dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dist.x;return clamp(inOrOut,0.0,1.0);}\\n#endif\\nvec3 processTexel(const in vec2 coords,const in float blur){vec2 scale=texelSize*fringe*blur;vec3 c=vec3(texture2D(inputBuffer,coords+vec2(0.0,1.0)*scale).r,texture2D(inputBuffer,coords+vec2(-0.866,-0.5)*scale).g,texture2D(inputBuffer,coords+vec2(0.866,-0.5)*scale).b);float luminance=linearToRelativeLuminance(c);float threshold=max((luminance-luminanceThreshold)*luminanceGain,0.0);return c+mix(vec3(0.0),c,threshold*blur);}float gather(const in float i,const in float j,const in float ringSamples,const in vec2 uv,const in vec2 blurFactor,const in float blur,inout vec3 color){float step=PI2/ringSamples;vec2 wh=vec2(cos(j*step)*i,sin(j*step)*i);\\n#ifdef PENTAGON\\nfloat p=pentagon(wh);\\n#else\\nfloat p=1.0;\\n#endif\\ncolor+=processTexel(wh*blurFactor+uv,blur)*mix(1.0,i/RINGS_FLOAT,bias)*p;return mix(1.0,i/RINGS_FLOAT,bias)*p;}void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\n#ifdef MANUAL_DOF\\nfloat focalPlane=linearDepth-focus;float farDoF=(focalPlane-dof.z)/dof.w;float nearDoF=(-focalPlane-dof.x)/dof.y;float blur=(focalPlane>0.0)? farDoF : nearDoF;\\n#else\\nconst float CIRCLE_OF_CONFUSION=0.03;float focalPlaneMM=focus*1000.0;float depthMM=linearDepth*1000.0;float focalPlane=(depthMM*focalLength)/(depthMM-focalLength);float farDoF=(focalPlaneMM*focalLength)/(focalPlaneMM-focalLength);float nearDoF=(focalPlaneMM-focalLength)/(focalPlaneMM*fStop*CIRCLE_OF_CONFUSION);float blur=abs(focalPlane-farDoF)*nearDoF;\\n#endif\\nconst int MAX_RING_SAMPLES=RINGS_INT*SAMPLES_INT;blur=clamp(blur,0.0,1.0);vec3 color=inputColor.rgb;if(blur>=0.05){vec2 blurFactor=blur*maxBlur*texelSize;float s=1.0;int ringSamples;for(int i=1;i<=RINGS_INT;i++){ringSamples=i*SAMPLES_INT;for(int j=0;j<MAX_RING_SAMPLES;j++){if(j>=ringSamples){break;}s+=gather(float(i),float(j),float(ringSamples),uv,blurFactor,blur,color);}}color/=s;}\\n#ifdef SHOW_FOCUS\\nfloat edge=0.002*linearDepth;float m=clamp(smoothstep(0.0,edge,blur),0.0,1.0);float e=clamp(smoothstep(1.0-edge,1.0,blur),0.0,1.0);color=mix(color,vec3(1.0,0.5,0.0),(1.0-m)*0.6);color=mix(color,vec3(0.0,0.5,1.0),((1.0-e)-(1.0-m))*0.2);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/RealisticBokehEffect.js\nvar RealisticBokehEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    focus = 1,\n    focalLength = 24,\n    fStop = 0.9,\n    luminanceThreshold = 0.5,\n    luminanceGain = 2,\n    bias = 0.5,\n    fringe = 0.7,\n    maxBlur = 1,\n    rings = 3,\n    samples = 2,\n    showFocus = false,\n    manualDoF = false,\n    pentagon = false\n  } = {}) {\n    super(\"RealisticBokehEffect\", shader_default66, {\n      blendFunction,\n      attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"focus\", new Uniform35(focus)],\n        [\"focalLength\", new Uniform35(focalLength)],\n        [\"fStop\", new Uniform35(fStop)],\n        [\"luminanceThreshold\", new Uniform35(luminanceThreshold)],\n        [\"luminanceGain\", new Uniform35(luminanceGain)],\n        [\"bias\", new Uniform35(bias)],\n        [\"fringe\", new Uniform35(fringe)],\n        [\"maxBlur\", new Uniform35(maxBlur)],\n        [\"dof\", new Uniform35(null)]\n      ])\n    });\n    this.rings = rings;\n    this.samples = samples;\n    this.showFocus = showFocus;\n    this.manualDoF = manualDoF;\n    this.pentagon = pentagon;\n  }\n  get rings() {\n    return Number.parseInt(this.defines.get(\"RINGS_INT\"));\n  }\n  set rings(value) {\n    const r = Math.floor(value);\n    this.defines.set(\"RINGS_INT\", r.toFixed(0));\n    this.defines.set(\"RINGS_FLOAT\", r.toFixed(1));\n    this.setChanged();\n  }\n  get samples() {\n    return Number.parseInt(this.defines.get(\"SAMPLES_INT\"));\n  }\n  set samples(value) {\n    const s = Math.floor(value);\n    this.defines.set(\"SAMPLES_INT\", s.toFixed(0));\n    this.defines.set(\"SAMPLES_FLOAT\", s.toFixed(1));\n    this.setChanged();\n  }\n  get showFocus() {\n    return this.defines.has(\"SHOW_FOCUS\");\n  }\n  set showFocus(value) {\n    if (this.showFocus !== value) {\n      if (value) {\n        this.defines.set(\"SHOW_FOCUS\", \"1\");\n      } else {\n        this.defines.delete(\"SHOW_FOCUS\");\n      }\n      this.setChanged();\n    }\n  }\n  get manualDoF() {\n    return this.defines.has(\"MANUAL_DOF\");\n  }\n  set manualDoF(value) {\n    if (this.manualDoF !== value) {\n      if (value) {\n        this.defines.set(\"MANUAL_DOF\", \"1\");\n        this.uniforms.get(\"dof\").value = new Vector42(0.2, 1, 0.2, 2);\n      } else {\n        this.defines.delete(\"MANUAL_DOF\");\n        this.uniforms.get(\"dof\").value = null;\n      }\n      this.setChanged();\n    }\n  }\n  get pentagon() {\n    return this.defines.has(\"PENTAGON\");\n  }\n  set pentagon(value) {\n    if (this.pentagon !== value) {\n      if (value) {\n        this.defines.set(\"PENTAGON\", \"1\");\n      } else {\n        this.defines.delete(\"PENTAGON\");\n      }\n      this.setChanged();\n    }\n  }\n};\n\n// src/effects/ScanlineEffect.js\nimport { Uniform as Uniform36, Vector2 as Vector220 } from \"three\";\n\n// src/effects/glsl/scanlines/shader.frag\nvar shader_default67 = \"uniform float count;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 sl=vec2(sin(uv.y*count),cos(uv.y*count));vec3 scanlines=vec3(sl.x,sl.y,sl.x);outputColor=vec4(scanlines,inputColor.a);}\";\n\n// src/effects/ScanlineEffect.js\nvar ScanlineEffect = class extends Effect {\n  constructor({ blendFunction = BlendFunction.OVERLAY, density = 1.25 } = {}) {\n    super(\"ScanlineEffect\", shader_default67, {\n      blendFunction,\n      uniforms: new Map([\n        [\"count\", new Uniform36(0)]\n      ])\n    });\n    this.resolution = new Vector220();\n    this.density = density;\n  }\n  getDensity() {\n    return this.density;\n  }\n  setDensity(density) {\n    this.density = density;\n    this.setSize(this.resolution.x, this.resolution.y);\n  }\n  setSize(width, height) {\n    this.resolution.set(width, height);\n    this.uniforms.get(\"count\").value = Math.round(height * this.density);\n  }\n};\n\n// src/effects/ShockWaveEffect.js\nimport { Uniform as Uniform37, Vector2 as Vector221, Vector3 as Vector35 } from \"three\";\n\n// src/effects/glsl/shock-wave/shader.frag\nvar shader_default68 = \"uniform bool active;uniform vec2 center;uniform float waveSize;uniform float radius;uniform float maxRadius;uniform float amplitude;varying float vSize;void mainUv(inout vec2 uv){if(active){vec2 aspectCorrection=vec2(aspect,1.0);vec2 difference=uv*aspectCorrection-center*aspectCorrection;float distance=sqrt(dot(difference,difference))*vSize;if(distance>radius){if(distance<radius+waveSize){float angle=(distance-radius)*PI2/waveSize;float cosSin=(1.0-cos(angle))*0.5;float extent=maxRadius+waveSize;float decay=max(extent-distance*distance,0.0)/extent;uv-=((cosSin*amplitude*difference)/distance)*decay;}}}}\";\n\n// src/effects/glsl/shock-wave/shader.vert\nvar shader_default69 = \"uniform float size;uniform float cameraDistance;varying float vSize;void mainSupport(){vSize=(0.1*cameraDistance)/size;}\";\n\n// src/effects/ShockWaveEffect.js\nvar HALF_PI = Math.PI * 0.5;\nvar v2 = new Vector35();\nvar ab = new Vector35();\nvar ShockWaveEffect = class extends Effect {\n  constructor(camera, epicenter = new Vector35(), {\n    speed = 2,\n    maxRadius = 1,\n    waveSize = 0.2,\n    amplitude = 0.05\n  } = {}) {\n    super(\"ShockWaveEffect\", shader_default68, {\n      vertexShader: shader_default69,\n      uniforms: new Map([\n        [\"active\", new Uniform37(false)],\n        [\"center\", new Uniform37(new Vector221(0.5, 0.5))],\n        [\"cameraDistance\", new Uniform37(1)],\n        [\"size\", new Uniform37(1)],\n        [\"radius\", new Uniform37(-waveSize)],\n        [\"maxRadius\", new Uniform37(maxRadius)],\n        [\"waveSize\", new Uniform37(waveSize)],\n        [\"amplitude\", new Uniform37(amplitude)]\n      ])\n    });\n    this.camera = camera;\n    this.epicenter = epicenter;\n    this.screenPosition = this.uniforms.get(\"center\").value;\n    this.speed = speed;\n    this.time = 0;\n    this.active = false;\n  }\n  explode() {\n    this.time = 0;\n    this.active = true;\n    this.uniforms.get(\"active\").value = true;\n  }\n  update(renderer, inputBuffer, delta) {\n    const epicenter = this.epicenter;\n    const camera = this.camera;\n    const uniforms = this.uniforms;\n    const uniformActive = uniforms.get(\"active\");\n    if (this.active) {\n      const waveSize = uniforms.get(\"waveSize\").value;\n      camera.getWorldDirection(v2);\n      ab.copy(camera.position).sub(epicenter);\n      uniformActive.value = v2.angleTo(ab) > HALF_PI;\n      if (uniformActive.value) {\n        uniforms.get(\"cameraDistance\").value = camera.position.distanceTo(epicenter);\n        v2.copy(epicenter).project(camera);\n        this.screenPosition.set((v2.x + 1) * 0.5, (v2.y + 1) * 0.5);\n      }\n      this.time += delta * this.speed;\n      const radius = this.time - waveSize;\n      uniforms.get(\"radius\").value = radius;\n      if (radius >= (uniforms.get(\"maxRadius\").value + waveSize) * 2) {\n        this.active = false;\n        uniformActive.value = false;\n      }\n    }\n  }\n};\n\n// src/effects/SelectiveBloomEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking6,\n  Color as Color7,\n  LinearFilter as LinearFilter11,\n  NotEqualDepth as NotEqualDepth2,\n  EqualDepth as EqualDepth2,\n  RGBADepthPacking as RGBADepthPacking4,\n  RGBFormat as RGBFormat12,\n  UnsignedByteType as UnsignedByteType15,\n  WebGLRenderTarget as WebGLRenderTarget14\n} from \"three\";\nvar SelectiveBloomEffect = class extends BloomEffect {\n  constructor(scene, camera, options) {\n    super(options);\n    this.setAttributes(this.getAttributes() | EffectAttribute.DEPTH);\n    this.camera = camera;\n    this.depthPass = new DepthPass(scene, camera);\n    this.clearPass = new ClearPass(true, false, false);\n    this.clearPass.overrideClearColor = new Color7(0);\n    this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n    const depthMaskMaterial = this.depthMaskMaterial;\n    depthMaskMaterial.uniforms.depthBuffer1.value = this.depthPass.texture;\n    depthMaskMaterial.defines.DEPTH_PACKING_1 = RGBADepthPacking4.toFixed(0);\n    depthMaskMaterial.setDepthMode(EqualDepth2);\n    this.renderTargetMasked = new WebGLRenderTarget14(1, 1, {\n      minFilter: LinearFilter11,\n      magFilter: LinearFilter11,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTargetMasked.texture.name = \"Bloom.Masked\";\n    this.renderTargetMasked.texture.generateMipmaps = false;\n    this.selection = new Selection();\n  }\n  get depthMaskMaterial() {\n    return this.depthMaskPass.getFullscreenMaterial();\n  }\n  get inverted() {\n    return this.depthMaskMaterial.getDepthMode() === NotEqualDepth2;\n  }\n  set inverted(value) {\n    this.depthMaskMaterial.setDepthMode(value ? NotEqualDepth2 : EqualDepth2);\n  }\n  get ignoreBackground() {\n    return !this.depthMaskMaterial.keepFar;\n  }\n  set ignoreBackground(value) {\n    this.depthMaskMaterial.keepFar = !value;\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking6) {\n    const material = this.depthMaskPass.getFullscreenMaterial();\n    material.uniforms.depthBuffer0.value = depthTexture;\n    material.defines.DEPTH_PACKING_0 = depthPacking.toFixed(0);\n    material.needsUpdate = true;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const camera = this.camera;\n    const selection = this.selection;\n    const renderTarget = this.renderTargetMasked;\n    const mask = camera.layers.mask;\n    camera.layers.set(selection.layer);\n    this.depthPass.render(renderer);\n    camera.layers.mask = mask;\n    this.clearPass.render(renderer, renderTarget);\n    this.depthMaskPass.render(renderer, inputBuffer, renderTarget);\n    super.update(renderer, renderTarget, deltaTime);\n  }\n  setSize(width, height) {\n    super.setSize(width, height);\n    this.clearPass.setSize(width, height);\n    this.depthPass.setSize(width, height);\n    this.depthMaskPass.setSize(width, height);\n    this.renderTargetMasked.setSize(width, height);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    super.initialize(renderer, alpha, frameBufferType);\n    this.clearPass.initialize(renderer, alpha, frameBufferType);\n    this.depthPass.initialize(renderer, alpha, frameBufferType);\n    this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n    if (!alpha && frameBufferType === UnsignedByteType15) {\n      this.renderTargetMasked.texture.format = RGBFormat12;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTargetMasked.texture.type = frameBufferType;\n    }\n  }\n};\n\n// src/effects/SepiaEffect.js\nimport { Uniform as Uniform38 } from \"three\";\n\n// src/effects/glsl/sepia/shader.frag\nvar shader_default70 = \"uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,vec3(1.0-0.607*intensity,0.769*intensity,0.189*intensity)),dot(inputColor.rgb,vec3(0.349*intensity,1.0-0.314*intensity,0.168*intensity)),dot(inputColor.rgb,vec3(0.272*intensity,0.534*intensity,1.0-0.869*intensity)));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/SepiaEffect.js\nvar SepiaEffect = class extends Effect {\n  constructor({ blendFunction = BlendFunction.NORMAL, intensity = 1 } = {}) {\n    super(\"SepiaEffect\", shader_default70, {\n      blendFunction,\n      uniforms: new Map([\n        [\"intensity\", new Uniform38(intensity)]\n      ])\n    });\n  }\n};\n\n// src/effects/SMAAEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking7,\n  Color as Color8,\n  LinearFilter as LinearFilter12,\n  NearestFilter as NearestFilter8,\n  RGBAFormat as RGBAFormat6,\n  RGBFormat as RGBFormat13,\n  Texture,\n  Uniform as Uniform39,\n  Vector2 as Vector222,\n  WebGLRenderTarget as WebGLRenderTarget15\n} from \"three\";\n\n// src/images/smaa/searchImageDataURL.js\nvar searchImageDataURL_default = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAAAQCAYAAACm53kpAAAAeElEQVRYR+2XSwqAMAxEJ168ePEqwRSKhIIiuHjJqiU0gWE+1CQdApcVAMUAuARaMGCX1MIL/Ow13++9lW2s3mW9MWvsnWc/2fvGygwPAN4E8QzAA4CXAB6AHjG4JTHYI1ey3pcx6FHnEfhLDOIBKAmUBK6/ANUDTlROXAHd9EC1AAAAAElFTkSuQmCC\";\n\n// src/images/smaa/areaImageDataURL.js\nvar areaImageDataURL_default = \"data:image/png;base64,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\";\n\n// src/effects/glsl/smaa/shader.frag\nvar shader_default71 = \"uniform sampler2D weightMap;varying vec2 vOffset0;varying vec2 vOffset1;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 a;a.x=texture2D(weightMap,vOffset0).a;a.y=texture2D(weightMap,vOffset1).g;a.wz=texture2D(weightMap,uv).rb;vec4 color=inputColor;if(dot(a,vec4(1.0))>=1e-5){bool h=max(a.x,a.z)>max(a.y,a.w);vec4 blendingOffset=vec4(0.0,a.y,0.0,a.w);vec2 blendingWeight=a.yw;movec(bvec4(h),blendingOffset,vec4(a.x,0.0,a.z,0.0));movec(bvec2(h),blendingWeight,a.xz);blendingWeight/=dot(blendingWeight,vec2(1.0));vec4 blendingCoord=blendingOffset*vec4(texelSize,-texelSize)+uv.xyxy;color=blendingWeight.x*texture2D(inputBuffer,blendingCoord.xy);color+=blendingWeight.y*texture2D(inputBuffer,blendingCoord.zw);}outputColor=color;}\";\n\n// src/effects/glsl/smaa/shader.vert\nvar shader_default72 = \"varying vec2 vOffset0;varying vec2 vOffset1;void mainSupport(const in vec2 uv){vOffset0=uv+texelSize*vec2(1.0,0.0);vOffset1=uv+texelSize*vec2(0.0,1.0);}\";\n\n// src/effects/SMAAEffect.js\nvar SMAAEffect = class extends Effect {\n  constructor(searchImage, areaImage, preset = SMAAPreset.HIGH, edgeDetectionMode = EdgeDetectionMode.COLOR) {\n    super(\"SMAAEffect\", shader_default71, {\n      vertexShader: shader_default72,\n      blendFunction: BlendFunction.NORMAL,\n      attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"weightMap\", new Uniform39(null)]\n      ])\n    });\n    this.renderTargetEdges = new WebGLRenderTarget15(1, 1, {\n      minFilter: LinearFilter12,\n      stencilBuffer: false,\n      depthBuffer: false,\n      format: RGBFormat13\n    });\n    this.renderTargetEdges.texture.name = \"SMAA.Edges\";\n    this.renderTargetWeights = this.renderTargetEdges.clone();\n    this.renderTargetWeights.texture.name = \"SMAA.Weights\";\n    this.renderTargetWeights.texture.format = RGBAFormat6;\n    this.uniforms.get(\"weightMap\").value = this.renderTargetWeights.texture;\n    this.clearPass = new ClearPass(true, false, false);\n    this.clearPass.overrideClearColor = new Color8(0);\n    this.clearPass.overrideClearAlpha = 1;\n    this.edgeDetectionPass = new ShaderPass(new EdgeDetectionMaterial(new Vector222(), edgeDetectionMode));\n    this.weightsPass = new ShaderPass(new SMAAWeightsMaterial());\n    const searchTexture = new Texture(searchImage);\n    searchTexture.name = \"SMAA.Search\";\n    searchTexture.magFilter = NearestFilter8;\n    searchTexture.minFilter = NearestFilter8;\n    searchTexture.format = RGBAFormat6;\n    searchTexture.generateMipmaps = false;\n    searchTexture.needsUpdate = true;\n    searchTexture.flipY = true;\n    const areaTexture = new Texture(areaImage);\n    areaTexture.name = \"SMAA.Area\";\n    areaTexture.magFilter = LinearFilter12;\n    areaTexture.minFilter = LinearFilter12;\n    areaTexture.format = RGBAFormat6;\n    areaTexture.generateMipmaps = false;\n    areaTexture.needsUpdate = true;\n    areaTexture.flipY = false;\n    const weightsMaterial = this.weightsPass.getFullscreenMaterial();\n    weightsMaterial.uniforms.searchTexture.value = searchTexture;\n    weightsMaterial.uniforms.areaTexture.value = areaTexture;\n    this.applyPreset(preset);\n  }\n  get edgeDetectionMaterial() {\n    return this.edgeDetectionPass.getFullscreenMaterial();\n  }\n  get colorEdgesMaterial() {\n    return this.edgeDetectionMaterial;\n  }\n  get weightsMaterial() {\n    return this.weightsPass.getFullscreenMaterial();\n  }\n  setEdgeDetectionThreshold(threshold) {\n    this.edgeDetectionPass.getFullscreenMaterial().setEdgeDetectionThreshold(threshold);\n  }\n  setOrthogonalSearchSteps(steps) {\n    this.weightsPass.getFullscreenMaterial().setOrthogonalSearchSteps(steps);\n  }\n  applyPreset(preset) {\n    const edgeDetectionMaterial = this.edgeDetectionMaterial;\n    const weightsMaterial = this.weightsMaterial;\n    switch (preset) {\n      case SMAAPreset.LOW:\n        edgeDetectionMaterial.setEdgeDetectionThreshold(0.15);\n        weightsMaterial.setOrthogonalSearchSteps(4);\n        weightsMaterial.diagonalDetection = false;\n        weightsMaterial.cornerRounding = false;\n        break;\n      case SMAAPreset.MEDIUM:\n        edgeDetectionMaterial.setEdgeDetectionThreshold(0.1);\n        weightsMaterial.setOrthogonalSearchSteps(8);\n        weightsMaterial.diagonalDetection = false;\n        weightsMaterial.cornerRounding = false;\n        break;\n      case SMAAPreset.HIGH:\n        edgeDetectionMaterial.setEdgeDetectionThreshold(0.1);\n        weightsMaterial.setOrthogonalSearchSteps(16);\n        weightsMaterial.setDiagonalSearchSteps(8);\n        weightsMaterial.setCornerRounding(25);\n        weightsMaterial.diagonalDetection = true;\n        weightsMaterial.cornerRounding = true;\n        break;\n      case SMAAPreset.ULTRA:\n        edgeDetectionMaterial.setEdgeDetectionThreshold(0.05);\n        weightsMaterial.setOrthogonalSearchSteps(32);\n        weightsMaterial.setDiagonalSearchSteps(16);\n        weightsMaterial.setCornerRounding(25);\n        weightsMaterial.diagonalDetection = true;\n        weightsMaterial.cornerRounding = true;\n        break;\n    }\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking7) {\n    const material = this.edgeDetectionMaterial;\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.depthPacking = depthPacking;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    this.clearPass.render(renderer, this.renderTargetEdges);\n    this.edgeDetectionPass.render(renderer, inputBuffer, this.renderTargetEdges);\n    this.weightsPass.render(renderer, this.renderTargetEdges, this.renderTargetWeights);\n  }\n  setSize(width, height) {\n    const weightsMaterial = this.weightsPass.getFullscreenMaterial();\n    const edgeDetectionMaterial = this.edgeDetectionPass.getFullscreenMaterial();\n    this.renderTargetEdges.setSize(width, height);\n    this.renderTargetWeights.setSize(width, height);\n    weightsMaterial.uniforms.resolution.value.set(width, height);\n    weightsMaterial.uniforms.texelSize.value.set(1 / width, 1 / height);\n    edgeDetectionMaterial.uniforms.texelSize.value.copy(weightsMaterial.uniforms.texelSize.value);\n  }\n  dispose() {\n    const uniforms = this.weightsPass.getFullscreenMaterial().uniforms;\n    uniforms.searchTexture.value.dispose();\n    uniforms.areaTexture.value.dispose();\n    super.dispose();\n  }\n  static get searchImageDataURL() {\n    return searchImageDataURL_default;\n  }\n  static get areaImageDataURL() {\n    return areaImageDataURL_default;\n  }\n};\nvar SMAAPreset = {\n  LOW: 0,\n  MEDIUM: 1,\n  HIGH: 2,\n  ULTRA: 3\n};\n\n// src/effects/SSAOEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking8,\n  Color as Color9,\n  LinearFilter as LinearFilter13,\n  RepeatWrapping as RepeatWrapping3,\n  RGBFormat as RGBFormat14,\n  Uniform as Uniform40,\n  WebGLRenderTarget as WebGLRenderTarget16\n} from \"three\";\n\n// src/effects/glsl/ssao/shader.frag\nvar shader_default73 = \"uniform lowp sampler2D aoBuffer;uniform float luminanceInfluence;\\n#ifdef DEPTH_AWARE_UPSAMPLING\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#endif\\n#ifdef COLORIZE\\nuniform vec3 color;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){float aoLinear=texture2D(aoBuffer,uv).r;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && __VERSION__ == 300\\nvec4 normalDepth[4];normalDepth[0]=textureOffset(normalDepthBuffer,uv,ivec2(0,0));normalDepth[1]=textureOffset(normalDepthBuffer,uv,ivec2(0,1));normalDepth[2]=textureOffset(normalDepthBuffer,uv,ivec2(1,0));normalDepth[3]=textureOffset(normalDepthBuffer,uv,ivec2(1,1));float dot01=dot(normalDepth[0].rgb,normalDepth[1].rgb);float dot02=dot(normalDepth[0].rgb,normalDepth[2].rgb);float dot03=dot(normalDepth[0].rgb,normalDepth[3].rgb);float minDot=min(dot01,min(dot02,dot03));float s=step(THRESHOLD,minDot);float smallestDistance=1.0;int index;for(int i=0;i<4;++i){float distance=abs(depth-normalDepth[i].a);if(distance<smallestDistance){smallestDistance=distance;index=i;}}ivec2 offsets[4];offsets[0]=ivec2(0,0);offsets[1]=ivec2(0,1);offsets[2]=ivec2(1,0);offsets[3]=ivec2(1,1);ivec2 coord=ivec2(uv*vec2(textureSize(aoBuffer,0)))+offsets[index];float aoNearest=texelFetch(aoBuffer,coord,0).r;float ao=mix(aoNearest,aoLinear,s);\\n#else\\nfloat ao=aoLinear;\\n#endif\\nfloat l=linearToRelativeLuminance(inputColor.rgb);ao=mix(ao,1.0,l*luminanceInfluence);\\n#ifdef COLORIZE\\noutputColor=vec4(1.0-(1.0-ao)*(1.0-color),inputColor.a);\\n#else\\noutputColor=vec4(vec3(ao),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/SSAOEffect.js\nvar NOISE_TEXTURE_SIZE = 64;\nvar SSAOEffect = class extends Effect {\n  constructor(camera, normalBuffer, {\n    blendFunction = BlendFunction.MULTIPLY,\n    distanceScaling = true,\n    depthAwareUpsampling = true,\n    normalDepthBuffer = null,\n    samples = 9,\n    rings = 7,\n    distanceThreshold = 0.97,\n    distanceFalloff = 0.03,\n    rangeThreshold = 5e-4,\n    rangeFalloff = 1e-3,\n    minRadiusScale = 0.33,\n    luminanceInfluence = 0.7,\n    radius = 0.1825,\n    intensity = 1,\n    bias = 0.025,\n    fade = 0.01,\n    color: color2 = null,\n    resolutionScale = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE\n  } = {}) {\n    super(\"SSAOEffect\", shader_default73, {\n      blendFunction,\n      attributes: EffectAttribute.DEPTH,\n      defines: new Map([\n        [\"THRESHOLD\", \"0.997\"]\n      ]),\n      uniforms: new Map([\n        [\"aoBuffer\", new Uniform40(null)],\n        [\"normalDepthBuffer\", new Uniform40(null)],\n        [\"luminanceInfluence\", new Uniform40(luminanceInfluence)],\n        [\"color\", new Uniform40(null)],\n        [\"scale\", new Uniform40(0)]\n      ])\n    });\n    this.renderTargetAO = new WebGLRenderTarget16(1, 1, {\n      minFilter: LinearFilter13,\n      magFilter: LinearFilter13,\n      stencilBuffer: false,\n      depthBuffer: false,\n      format: RGBFormat14\n    });\n    this.renderTargetAO.texture.name = \"AO.Target\";\n    this.renderTargetAO.texture.generateMipmaps = false;\n    this.uniforms.get(\"aoBuffer\").value = this.renderTargetAO.texture;\n    this.resolution = new Resizer(this, width, height, resolutionScale);\n    this.r = 1;\n    this.camera = camera;\n    this.ssaoPass = new ShaderPass((() => {\n      const noiseTexture = new NoiseTexture(NOISE_TEXTURE_SIZE, NOISE_TEXTURE_SIZE);\n      noiseTexture.wrapS = noiseTexture.wrapT = RepeatWrapping3;\n      const material = new SSAOMaterial(camera);\n      material.uniforms.noiseTexture.value = noiseTexture;\n      material.uniforms.intensity.value = intensity;\n      material.uniforms.minRadiusScale.value = minRadiusScale;\n      material.uniforms.fade.value = fade;\n      material.uniforms.bias.value = bias;\n      if (normalDepthBuffer !== null) {\n        material.uniforms.normalDepthBuffer.value = normalDepthBuffer;\n        material.defines.NORMAL_DEPTH = \"1\";\n        if (depthAwareUpsampling) {\n          this.depthAwareUpsampling = depthAwareUpsampling;\n          this.uniforms.get(\"normalDepthBuffer\").value = normalDepthBuffer;\n        }\n      } else {\n        material.uniforms.normalBuffer.value = normalBuffer;\n      }\n      return material;\n    })());\n    this.distanceScaling = distanceScaling;\n    this.samples = samples;\n    this.rings = rings;\n    this.color = color2;\n    this.radius = radius > 1 ? radius / 100 : radius;\n    this.setDistanceCutoff(distanceThreshold, distanceFalloff);\n    this.setProximityCutoff(rangeThreshold, rangeFalloff);\n  }\n  get ssaoMaterial() {\n    return this.ssaoPass.getFullscreenMaterial();\n  }\n  get samples() {\n    return Number(this.ssaoMaterial.defines.SAMPLES_INT);\n  }\n  set samples(value) {\n    const material = this.ssaoMaterial;\n    material.defines.SAMPLES_INT = value.toFixed(0);\n    material.defines.SAMPLES_FLOAT = value.toFixed(1);\n    material.needsUpdate = true;\n  }\n  get rings() {\n    return Number(this.ssaoMaterial.defines.SPIRAL_TURNS);\n  }\n  set rings(value) {\n    const material = this.ssaoMaterial;\n    material.defines.SPIRAL_TURNS = value.toFixed(1);\n    material.needsUpdate = true;\n  }\n  get radius() {\n    return this.r;\n  }\n  set radius(value) {\n    this.r = Math.min(Math.max(value, 1e-6), 1);\n    const radius = this.r * this.resolution.height;\n    const material = this.ssaoMaterial;\n    material.defines.RADIUS = radius.toFixed(11);\n    material.defines.RADIUS_SQ = (radius * radius).toFixed(11);\n    material.needsUpdate = true;\n  }\n  get depthAwareUpsampling() {\n    return this.defines.has(\"DEPTH_AWARE_UPSAMPLING\");\n  }\n  set depthAwareUpsampling(value) {\n    if (this.depthAwareUpsampling !== value) {\n      if (value) {\n        this.defines.set(\"DEPTH_AWARE_UPSAMPLING\", \"1\");\n      } else {\n        this.defines.delete(\"DEPTH_AWARE_UPSAMPLING\");\n      }\n      this.setChanged();\n    }\n  }\n  get distanceScaling() {\n    return this.ssaoMaterial.defines.DISTANCE_SCALING !== void 0;\n  }\n  set distanceScaling(value) {\n    if (this.distanceScaling !== value) {\n      const material = this.ssaoMaterial;\n      if (value) {\n        material.defines.DISTANCE_SCALING = \"1\";\n      } else {\n        delete material.defines.DISTANCE_SCALING;\n      }\n      material.needsUpdate = true;\n    }\n  }\n  get color() {\n    return this.uniforms.get(\"color\").value;\n  }\n  set color(value) {\n    const uniforms = this.uniforms;\n    const defines = this.defines;\n    if (value !== null) {\n      if (defines.has(\"COLORIZE\")) {\n        uniforms.get(\"color\").value.set(value);\n      } else {\n        defines.set(\"COLORIZE\", \"1\");\n        uniforms.get(\"color\").value = new Color9(value);\n        this.setChanged();\n      }\n    } else if (defines.has(\"COLORIZE\")) {\n      defines.delete(\"COLORIZE\");\n      uniforms.get(\"color\").value = null;\n      this.setChanged();\n    }\n  }\n  setDistanceCutoff(threshold, falloff) {\n    this.ssaoMaterial.uniforms.distanceCutoff.value.set(Math.min(Math.max(threshold, 0), 1), Math.min(Math.max(threshold + falloff, 0), 1));\n  }\n  setProximityCutoff(threshold, falloff) {\n    this.ssaoMaterial.uniforms.proximityCutoff.value.set(Math.min(Math.max(threshold, 0), 1), Math.min(Math.max(threshold + falloff, 0), 1));\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking8) {\n    const material = this.ssaoMaterial;\n    if (material.defines.NORMAL_DEPTH === void 0) {\n      material.uniforms.normalDepthBuffer.value = depthTexture;\n      material.depthPacking = depthPacking;\n    }\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    this.ssaoPass.render(renderer, null, this.renderTargetAO);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    const w = resolution.width;\n    const h = resolution.height;\n    this.renderTargetAO.setSize(w, h);\n    this.ssaoMaterial.setTexelSize(1 / w, 1 / h);\n    const camera = this.camera;\n    const uniforms = this.ssaoMaterial.uniforms;\n    uniforms.noiseScale.value.set(w, h).divideScalar(NOISE_TEXTURE_SIZE);\n    uniforms.projectionMatrix.value.copy(camera.projectionMatrix);\n    uniforms.inverseProjectionMatrix.value.copy(camera.projectionMatrix).invert();\n    this.radius = this.r;\n  }\n};\n\n// src/effects/TextureEffect.js\nimport {\n  LinearEncoding as LinearEncoding3,\n  Matrix3,\n  sRGBEncoding as sRGBEncoding3,\n  Uniform as Uniform41,\n  UnsignedByteType as UnsignedByteType16\n} from \"three\";\n\n// src/effects/glsl/texture/shader.frag\nvar shader_default74 = \"#ifdef TEXTURE_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\n#if defined(ASPECT_CORRECTION) || defined(UV_TRANSFORM)\\nvarying vec2 vUv2;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#if defined(ASPECT_CORRECTION) || defined(UV_TRANSFORM)\\nvec4 texel=texelToLinear(texture2D(map,vUv2));\\n#else\\nvec4 texel=texelToLinear(texture2D(map,uv));\\n#endif\\noutputColor=TEXEL;}\";\n\n// src/effects/glsl/texture/shader.vert\nvar shader_default75 = \"#ifdef ASPECT_CORRECTION\\nuniform float scale;\\n#else\\nuniform mat3 uvTransform;\\n#endif\\nvarying vec2 vUv2;void mainSupport(const in vec2 uv){\\n#ifdef ASPECT_CORRECTION\\nvUv2=uv*vec2(aspect,1.0)*scale;\\n#else\\nvUv2=(uvTransform*vec3(uv,1.0)).xy;\\n#endif\\n}\";\n\n// src/effects/TextureEffect.js\nvar TextureEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    texture = null,\n    aspectCorrection = false\n  } = {}) {\n    super(\"TextureEffect\", shader_default74, {\n      blendFunction,\n      defines: new Map([\n        [\"TEXEL\", \"texel\"]\n      ]),\n      uniforms: new Map([\n        [\"map\", new Uniform41(null)],\n        [\"scale\", new Uniform41(1)],\n        [\"uvTransform\", new Uniform41(null)]\n      ])\n    });\n    this.texture = texture;\n    this.aspectCorrection = aspectCorrection;\n  }\n  get texture() {\n    return this.uniforms.get(\"map\").value;\n  }\n  set texture(value) {\n    const currentTexture = this.texture;\n    if (currentTexture !== value) {\n      this.uniforms.get(\"map\").value = value;\n      this.defines.delete(\"TEXTURE_PRECISION_HIGH\");\n      if (value !== null) {\n        switch (value.encoding) {\n          case sRGBEncoding3:\n            this.defines.set(\"texelToLinear(texel)\", \"sRGBToLinear(texel)\");\n            break;\n          case LinearEncoding3:\n            this.defines.set(\"texelToLinear(texel)\", \"texel\");\n            break;\n          default:\n            console.error(\"Unsupported encoding:\", value.encoding);\n            break;\n        }\n        if (value.type !== UnsignedByteType16) {\n          this.defines.set(\"TEXTURE_PRECISION_HIGH\", \"1\");\n        }\n        if (currentTexture === null || currentTexture.type !== value.type || currentTexture.encoding !== value.encoding) {\n          this.setChanged();\n        }\n      }\n    }\n  }\n  get aspectCorrection() {\n    return this.defines.has(\"ASPECT_CORRECTION\");\n  }\n  set aspectCorrection(value) {\n    if (this.aspectCorrection !== value) {\n      if (value) {\n        if (this.uvTransform) {\n          this.uvTransform = false;\n        }\n        this.defines.set(\"ASPECT_CORRECTION\", \"1\");\n        this.setVertexShader(shader_default75);\n      } else {\n        this.defines.delete(\"ASPECT_CORRECTION\");\n        this.setVertexShader(null);\n      }\n      this.setChanged();\n    }\n  }\n  get uvTransform() {\n    return this.defines.has(\"UV_TRANSFORM\");\n  }\n  set uvTransform(value) {\n    if (this.uvTransform !== value) {\n      if (value) {\n        if (this.aspectCorrection) {\n          this.aspectCorrection = false;\n        }\n        this.defines.set(\"UV_TRANSFORM\", \"1\");\n        this.uniforms.get(\"uvTransform\").value = new Matrix3();\n        this.setVertexShader(shader_default75);\n      } else {\n        this.defines.delete(\"UV_TRANSFORM\");\n        this.uniforms.get(\"uvTransform\").value = null;\n        this.setVertexShader(null);\n      }\n      this.setChanged();\n    }\n  }\n  setTextureSwizzleRGBA(r, g = r, b = r, a = r) {\n    const rgba = \"rgba\";\n    let swizzle = \"\";\n    if (r !== ColorChannel.RED || g !== ColorChannel.GREEN || b !== ColorChannel.BLUE || a !== ColorChannel.ALPHA) {\n      swizzle = [\".\", rgba[r], rgba[g], rgba[b], rgba[a]].join(\"\");\n    }\n    this.defines.set(\"TEXEL\", \"texel\" + swizzle);\n    this.setChanged();\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const texture = this.uniforms.get(\"map\").value;\n    if (this.uvTransform && texture.matrixAutoUpdate) {\n      texture.updateMatrix();\n      this.uniforms.get(\"uvTransform\").value.copy(texture.matrix);\n    }\n  }\n};\n\n// src/effects/ToneMappingEffect.js\nimport {\n  LinearFilter as LinearFilter14,\n  LinearMipMapLinearFilter,\n  LinearMipmapLinearFilter,\n  RGBFormat as RGBFormat15,\n  Uniform as Uniform42,\n  WebGLRenderTarget as WebGLRenderTarget17\n} from \"three\";\n\n// src/effects/glsl/tone-mapping/shader.frag\nvar shader_default76 = \"#include <tonemapping_pars_fragment>\\nuniform lowp sampler2D luminanceBuffer;uniform float whitePoint;uniform float middleGrey;\\n#ifndef ADAPTIVE\\nuniform float averageLuminance;\\n#endif\\nvec3 Reinhard2ToneMapping(vec3 color){color*=toneMappingExposure;float l=linearToRelativeLuminance(color);\\n#ifdef ADAPTIVE\\nfloat lumAvg=texture2D(luminanceBuffer,vec2(0.5)).r;\\n#else\\nfloat lumAvg=averageLuminance;\\n#endif\\nfloat lumScaled=(l*middleGrey)/max(lumAvg,1e-6);float lumCompressed=lumScaled*(1.0+lumScaled/(whitePoint*whitePoint));lumCompressed/=(1.0+lumScaled);return clamp(lumCompressed*color,0.0,1.0);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#ifdef REINHARD2\\noutputColor=vec4(Reinhard2ToneMapping(inputColor.rgb),inputColor.a);\\n#else\\noutputColor=vec4(toneMapping(inputColor.rgb),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/ToneMappingEffect.js\nvar ToneMappingEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    adaptive = true,\n    mode = adaptive ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2,\n    resolution = 256,\n    maxLuminance = 16,\n    whitePoint = maxLuminance,\n    middleGrey = 0.6,\n    minLuminance = 0.01,\n    averageLuminance = 1,\n    adaptationRate = 1\n  } = {}) {\n    super(\"ToneMappingEffect\", shader_default76, {\n      blendFunction,\n      uniforms: new Map([\n        [\"luminanceBuffer\", new Uniform42(null)],\n        [\"maxLuminance\", new Uniform42(maxLuminance)],\n        [\"whitePoint\", new Uniform42(whitePoint)],\n        [\"middleGrey\", new Uniform42(middleGrey)],\n        [\"averageLuminance\", new Uniform42(averageLuminance)]\n      ])\n    });\n    this.renderTargetLuminance = new WebGLRenderTarget17(1, 1, {\n      minFilter: LinearMipmapLinearFilter !== void 0 ? LinearMipmapLinearFilter : LinearMipMapLinearFilter,\n      magFilter: LinearFilter14,\n      stencilBuffer: false,\n      depthBuffer: false,\n      format: RGBFormat15\n    });\n    this.renderTargetLuminance.texture.name = \"Luminance\";\n    this.renderTargetLuminance.texture.generateMipmaps = true;\n    this.luminancePass = new LuminancePass({\n      renderTarget: this.renderTargetLuminance\n    });\n    this.adaptiveLuminancePass = new AdaptiveLuminancePass(this.luminancePass.texture, {\n      minLuminance,\n      adaptationRate\n    });\n    this.uniforms.get(\"luminanceBuffer\").value = this.adaptiveLuminancePass.texture;\n    this.mode = null;\n    this.setMode(mode);\n    this.resolution = resolution;\n  }\n  getMode() {\n    return this.mode;\n  }\n  setMode(value) {\n    const currentMode = this.mode;\n    if (currentMode !== value) {\n      this.defines.clear();\n      switch (value) {\n        case ToneMappingMode.REINHARD:\n          this.defines.set(\"toneMapping(texel)\", \"ReinhardToneMapping(texel)\");\n          break;\n        case ToneMappingMode.OPTIMIZED_CINEON:\n          this.defines.set(\"toneMapping(texel)\", \"OptimizedCineonToneMapping(texel)\");\n          break;\n        case ToneMappingMode.ACES_FILMIC:\n          this.defines.set(\"toneMapping(texel)\", \"ACESFilmicToneMapping(texel)\");\n          break;\n        default:\n          this.defines.set(\"toneMapping(texel)\", \"texel\");\n          break;\n      }\n      if (value === ToneMappingMode.REINHARD2) {\n        this.defines.set(\"REINHARD2\", \"1\");\n      } else if (value === ToneMappingMode.REINHARD2_ADAPTIVE) {\n        this.defines.set(\"REINHARD2\", \"1\");\n        this.defines.set(\"ADAPTIVE\", \"1\");\n      }\n      this.mode = value;\n      this.setChanged();\n    }\n  }\n  get resolution() {\n    return this.luminancePass.resolution.width;\n  }\n  set resolution(value) {\n    const exponent = Math.max(0, Math.ceil(Math.log2(value)));\n    const size = Math.pow(2, exponent);\n    this.luminancePass.resolution.width = size;\n    this.luminancePass.resolution.height = size;\n    this.adaptiveLuminancePass.mipLevel1x1 = exponent;\n  }\n  get adaptive() {\n    return this.defines.has(\"ADAPTIVE\");\n  }\n  set adaptive(value) {\n    this.mode = value ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2;\n  }\n  get adaptationRate() {\n    return this.adaptiveLuminancePass.adaptationRate;\n  }\n  set adaptationRate(value) {\n    this.adaptiveLuminancePass.adaptationRate = value;\n  }\n  get distinction() {\n    console.warn(this.name, \"The distinction field has been removed.\");\n    return 1;\n  }\n  set distinction(value) {\n    console.warn(this.name, \"The distinction field has been removed.\");\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    if (this.mode === ToneMappingMode.REINHARD2_ADAPTIVE) {\n      this.luminancePass.render(renderer, inputBuffer);\n      this.adaptiveLuminancePass.render(renderer, null, null, deltaTime);\n    }\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    this.adaptiveLuminancePass.initialize(renderer, alpha, frameBufferType);\n  }\n};\nvar ToneMappingMode = {\n  REINHARD: 0,\n  REINHARD2: 1,\n  REINHARD2_ADAPTIVE: 2,\n  OPTIMIZED_CINEON: 3,\n  ACES_FILMIC: 4\n};\n\n// src/effects/VignetteEffect.js\nimport { Uniform as Uniform43 } from \"three\";\n\n// src/effects/glsl/vignette/shader.frag\nvar shader_default77 = \"uniform float offset;uniform float darkness;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){const vec2 center=vec2(0.5);vec3 color=inputColor.rgb;\\n#ifdef ESKIL\\nvec2 coord=(uv-center)*vec2(offset);color=mix(color,vec3(1.0-darkness),dot(coord,coord));\\n#else\\nfloat d=distance(uv,center);color*=smoothstep(0.8,offset*0.799,d*(darkness+offset));\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/VignetteEffect.js\nvar VignetteEffect = class extends Effect {\n  constructor(options = {}) {\n    const settings = Object.assign({\n      blendFunction: BlendFunction.NORMAL,\n      eskil: false,\n      offset: 0.5,\n      darkness: 0.5\n    }, options);\n    super(\"VignetteEffect\", shader_default77, {\n      blendFunction: settings.blendFunction,\n      uniforms: new Map([\n        [\"offset\", new Uniform43(settings.offset)],\n        [\"darkness\", new Uniform43(settings.darkness)]\n      ])\n    });\n    this.eskil = settings.eskil;\n  }\n  get eskil() {\n    return this.defines.has(\"ESKIL\");\n  }\n  set eskil(value) {\n    if (this.eskil !== value) {\n      if (value) {\n        this.defines.set(\"ESKIL\", \"1\");\n      } else {\n        this.defines.delete(\"ESKIL\");\n      }\n      this.setChanged();\n    }\n  }\n};\n\n// src/images/lut/TetrahedralUpscaler.js\nvar P = [\n  new Float32Array(3),\n  new Float32Array(3)\n];\nvar C = [\n  new Float32Array(3),\n  new Float32Array(3),\n  new Float32Array(3),\n  new Float32Array(3)\n];\nvar T = [\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([1, 0, 0]),\n    new Float32Array([1, 1, 0]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([1, 0, 0]),\n    new Float32Array([1, 0, 1]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([0, 0, 1]),\n    new Float32Array([1, 0, 1]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([0, 1, 0]),\n    new Float32Array([1, 1, 0]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([0, 1, 0]),\n    new Float32Array([0, 1, 1]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([0, 0, 1]),\n    new Float32Array([0, 1, 1]),\n    new Float32Array([1, 1, 1])\n  ]\n];\nfunction calculateTetrahedronVolume(a, b, c2, d) {\n  const bcX = c2[0] - b[0];\n  const bcY = c2[1] - b[1];\n  const bcZ = c2[2] - b[2];\n  const baX = a[0] - b[0];\n  const baY = a[1] - b[1];\n  const baZ = a[2] - b[2];\n  const crossX = bcY * baZ - bcZ * baY;\n  const crossY = bcZ * baX - bcX * baZ;\n  const crossZ = bcX * baY - bcY * baX;\n  const length = Math.sqrt(crossX * crossX + crossY * crossY + crossZ * crossZ);\n  const triangleArea = length * 0.5;\n  const normalX = crossX / length;\n  const normalY = crossY / length;\n  const normalZ = crossZ / length;\n  const constant = -(a[0] * normalX + a[1] * normalY + a[2] * normalZ);\n  const dot = d[0] * normalX + d[1] * normalY + d[2] * normalZ;\n  const height = Math.abs(dot + constant);\n  return height * triangleArea / 3;\n}\nfunction sample(data, size, x, y, z, color2) {\n  const i3 = (x + y * size + z * size * size) * 3;\n  color2[0] = data[i3 + 0];\n  color2[1] = data[i3 + 1];\n  color2[2] = data[i3 + 2];\n}\nfunction tetrahedralSample(data, size, u, v3, w, color2) {\n  const px = u * (size - 1);\n  const py = v3 * (size - 1);\n  const pz = w * (size - 1);\n  const minX = Math.floor(px);\n  const minY = Math.floor(py);\n  const minZ = Math.floor(pz);\n  const maxX = Math.ceil(px);\n  const maxY = Math.ceil(py);\n  const maxZ = Math.ceil(pz);\n  const su = px - minX;\n  const sv = py - minY;\n  const sw = pz - minZ;\n  if (minX === px && minY === py && minZ === pz) {\n    sample(data, size, px, py, pz, color2);\n  } else {\n    let vertices;\n    if (su >= sv && sv >= sw) {\n      vertices = T[0];\n    } else if (su >= sw && sw >= sv) {\n      vertices = T[1];\n    } else if (sw >= su && su >= sv) {\n      vertices = T[2];\n    } else if (sv >= su && su >= sw) {\n      vertices = T[3];\n    } else if (sv >= sw && sw >= su) {\n      vertices = T[4];\n    } else if (sw >= sv && sv >= su) {\n      vertices = T[5];\n    }\n    const [P0, P1, P2, P3] = vertices;\n    const coords = P[0];\n    coords[0] = su;\n    coords[1] = sv;\n    coords[2] = sw;\n    const tmp = P[1];\n    const diffX = maxX - minX;\n    const diffY = maxY - minY;\n    const diffZ = maxZ - minZ;\n    tmp[0] = diffX * P0[0] + minX;\n    tmp[1] = diffY * P0[1] + minY;\n    tmp[2] = diffZ * P0[2] + minZ;\n    sample(data, size, tmp[0], tmp[1], tmp[2], C[0]);\n    tmp[0] = diffX * P1[0] + minX;\n    tmp[1] = diffY * P1[1] + minY;\n    tmp[2] = diffZ * P1[2] + minZ;\n    sample(data, size, tmp[0], tmp[1], tmp[2], C[1]);\n    tmp[0] = diffX * P2[0] + minX;\n    tmp[1] = diffY * P2[1] + minY;\n    tmp[2] = diffZ * P2[2] + minZ;\n    sample(data, size, tmp[0], tmp[1], tmp[2], C[2]);\n    tmp[0] = diffX * P3[0] + minX;\n    tmp[1] = diffY * P3[1] + minY;\n    tmp[2] = diffZ * P3[2] + minZ;\n    sample(data, size, tmp[0], tmp[1], tmp[2], C[3]);\n    const V0 = calculateTetrahedronVolume(P1, P2, P3, coords) * 6;\n    const V1 = calculateTetrahedronVolume(P0, P2, P3, coords) * 6;\n    const V2 = calculateTetrahedronVolume(P0, P1, P3, coords) * 6;\n    const V3 = calculateTetrahedronVolume(P0, P1, P2, coords) * 6;\n    C[0][0] *= V0;\n    C[0][1] *= V0;\n    C[0][2] *= V0;\n    C[1][0] *= V1;\n    C[1][1] *= V1;\n    C[1][2] *= V1;\n    C[2][0] *= V2;\n    C[2][1] *= V2;\n    C[2][2] *= V2;\n    C[3][0] *= V3;\n    C[3][1] *= V3;\n    C[3][2] *= V3;\n    color2[0] = C[0][0] + C[1][0] + C[2][0] + C[3][0];\n    color2[1] = C[0][1] + C[1][1] + C[2][1] + C[3][1];\n    color2[2] = C[0][2] + C[1][2] + C[2][2] + C[3][2];\n  }\n}\nvar TetrahedralUpscaler = class {\n  static expand(data, size) {\n    const originalSize = Math.cbrt(data.length / 3);\n    const rgb = new Float32Array(3);\n    const array = new data.constructor(size ** 3 * 3);\n    const s = 1 / (size - 1);\n    for (let z = 0; z < size; ++z) {\n      for (let y = 0; y < size; ++y) {\n        for (let x = 0; x < size; ++x) {\n          const u = x * s;\n          const v3 = y * s;\n          const w = z * s;\n          const i3 = Math.round(x + y * size + z * size * size) * 3;\n          tetrahedralSample(data, originalSize, u, v3, w, rgb);\n          array[i3 + 0] = rgb[0];\n          array[i3 + 1] = rgb[1];\n          array[i3 + 2] = rgb[2];\n        }\n      }\n    }\n    return array;\n  }\n};\n\n// src/images/smaa/SMAAAreaImageData.js\nvar area = [\n  new Float32Array(2),\n  new Float32Array(2)\n];\nvar ORTHOGONAL_SIZE = 16;\nvar DIAGONAL_SIZE = 20;\nvar DIAGONAL_SAMPLES = 30;\nvar SMOOTH_MAX_DISTANCE = 32;\nvar orthogonalSubsamplingOffsets = new Float32Array([\n  0,\n  -0.25,\n  0.25,\n  -0.125,\n  0.125,\n  -0.375,\n  0.375\n]);\nvar diagonalSubsamplingOffsets = [\n  new Float32Array([0, 0]),\n  new Float32Array([0.25, -0.25]),\n  new Float32Array([-0.25, 0.25]),\n  new Float32Array([0.125, -0.125]),\n  new Float32Array([-0.125, 0.125])\n];\nvar orthogonalEdges = [\n  new Uint8Array([0, 0]),\n  new Uint8Array([3, 0]),\n  new Uint8Array([0, 3]),\n  new Uint8Array([3, 3]),\n  new Uint8Array([1, 0]),\n  new Uint8Array([4, 0]),\n  new Uint8Array([1, 3]),\n  new Uint8Array([4, 3]),\n  new Uint8Array([0, 1]),\n  new Uint8Array([3, 1]),\n  new Uint8Array([0, 4]),\n  new Uint8Array([3, 4]),\n  new Uint8Array([1, 1]),\n  new Uint8Array([4, 1]),\n  new Uint8Array([1, 4]),\n  new Uint8Array([4, 4])\n];\nvar diagonalEdges = [\n  new Uint8Array([0, 0]),\n  new Uint8Array([1, 0]),\n  new Uint8Array([0, 2]),\n  new Uint8Array([1, 2]),\n  new Uint8Array([2, 0]),\n  new Uint8Array([3, 0]),\n  new Uint8Array([2, 2]),\n  new Uint8Array([3, 2]),\n  new Uint8Array([0, 1]),\n  new Uint8Array([1, 1]),\n  new Uint8Array([0, 3]),\n  new Uint8Array([1, 3]),\n  new Uint8Array([2, 1]),\n  new Uint8Array([3, 1]),\n  new Uint8Array([2, 3]),\n  new Uint8Array([3, 3])\n];\nfunction lerp(a, b, p) {\n  return a + (b - a) * p;\n}\nfunction saturate(a) {\n  return Math.min(Math.max(a, 0), 1);\n}\nfunction smoothArea(d) {\n  const a1 = area[0];\n  const a2 = area[1];\n  const b1X = Math.sqrt(a1[0] * 2) * 0.5;\n  const b1Y = Math.sqrt(a1[1] * 2) * 0.5;\n  const b2X = Math.sqrt(a2[0] * 2) * 0.5;\n  const b2Y = Math.sqrt(a2[1] * 2) * 0.5;\n  const p = saturate(d / SMOOTH_MAX_DISTANCE);\n  a1[0] = lerp(b1X, a1[0], p);\n  a1[1] = lerp(b1Y, a1[1], p);\n  a2[0] = lerp(b2X, a2[0], p);\n  a2[1] = lerp(b2Y, a2[1], p);\n}\nfunction getOrthArea(p1X, p1Y, p2X, p2Y, x, result) {\n  const dX = p2X - p1X;\n  const dY = p2Y - p1Y;\n  const x1 = x;\n  const x2 = x + 1;\n  const y1 = p1Y + dY * (x1 - p1X) / dX;\n  const y2 = p1Y + dY * (x2 - p1X) / dX;\n  if (x1 >= p1X && x1 < p2X || x2 > p1X && x2 <= p2X) {\n    if (Math.sign(y1) === Math.sign(y2) || Math.abs(y1) < 1e-4 || Math.abs(y2) < 1e-4) {\n      const a = (y1 + y2) / 2;\n      if (a < 0) {\n        result[0] = Math.abs(a);\n        result[1] = 0;\n      } else {\n        result[0] = 0;\n        result[1] = Math.abs(a);\n      }\n    } else {\n      const t = -p1Y * dX / dY + p1X;\n      const tInt = Math.trunc(t);\n      const a1 = t > p1X ? y1 * (t - tInt) / 2 : 0;\n      const a2 = t < p2X ? y2 * (1 - (t - tInt)) / 2 : 0;\n      const a = Math.abs(a1) > Math.abs(a2) ? a1 : -a2;\n      if (a < 0) {\n        result[0] = Math.abs(a1);\n        result[1] = Math.abs(a2);\n      } else {\n        result[0] = Math.abs(a2);\n        result[1] = Math.abs(a1);\n      }\n    }\n  } else {\n    result[0] = 0;\n    result[1] = 0;\n  }\n  return result;\n}\nfunction getOrthAreaForPattern(pattern, left, right, offset, result) {\n  const a1 = area[0];\n  const a2 = area[1];\n  const o1 = 0.5 + offset;\n  const o2 = 0.5 + offset - 1;\n  const d = left + right + 1;\n  switch (pattern) {\n    case 0: {\n      result[0] = 0;\n      result[1] = 0;\n      break;\n    }\n    case 1: {\n      if (left <= right) {\n        getOrthArea(0, o2, d / 2, 0, left, result);\n      } else {\n        result[0] = 0;\n        result[1] = 0;\n      }\n      break;\n    }\n    case 2: {\n      if (left >= right) {\n        getOrthArea(d / 2, 0, d, o2, left, result);\n      } else {\n        result[0] = 0;\n        result[1] = 0;\n      }\n      break;\n    }\n    case 3: {\n      getOrthArea(0, o2, d / 2, 0, left, a1);\n      getOrthArea(d / 2, 0, d, o2, left, a2);\n      smoothArea(d, area);\n      result[0] = a1[0] + a2[0];\n      result[1] = a1[1] + a2[1];\n      break;\n    }\n    case 4: {\n      if (left <= right) {\n        getOrthArea(0, o1, d / 2, 0, left, result);\n      } else {\n        result[0] = 0;\n        result[1] = 0;\n      }\n      break;\n    }\n    case 5: {\n      result[0] = 0;\n      result[1] = 0;\n      break;\n    }\n    case 6: {\n      if (Math.abs(offset) > 0) {\n        getOrthArea(0, o1, d, o2, left, a1);\n        getOrthArea(0, o1, d / 2, 0, left, a2);\n        getOrthArea(d / 2, 0, d, o2, left, result);\n        a2[0] = a2[0] + result[0];\n        a2[1] = a2[1] + result[1];\n        result[0] = (a1[0] + a2[0]) / 2;\n        result[1] = (a1[1] + a2[1]) / 2;\n      } else {\n        getOrthArea(0, o1, d, o2, left, result);\n      }\n      break;\n    }\n    case 7: {\n      getOrthArea(0, o1, d, o2, left, result);\n      break;\n    }\n    case 8: {\n      if (left >= right) {\n        getOrthArea(d / 2, 0, d, o1, left, result);\n      } else {\n        result[0] = 0;\n        result[1] = 0;\n      }\n      break;\n    }\n    case 9: {\n      if (Math.abs(offset) > 0) {\n        getOrthArea(0, o2, d, o1, left, a1);\n        getOrthArea(0, o2, d / 2, 0, left, a2);\n        getOrthArea(d / 2, 0, d, o1, left, result);\n        a2[0] = a2[0] + result[0];\n        a2[1] = a2[1] + result[1];\n        result[0] = (a1[0] + a2[0]) / 2;\n        result[1] = (a1[1] + a2[1]) / 2;\n      } else {\n        getOrthArea(0, o2, d, o1, left, result);\n      }\n      break;\n    }\n    case 10: {\n      result[0] = 0;\n      result[1] = 0;\n      break;\n    }\n    case 11: {\n      getOrthArea(0, o2, d, o1, left, result);\n      break;\n    }\n    case 12: {\n      getOrthArea(0, o1, d / 2, 0, left, a1);\n      getOrthArea(d / 2, 0, d, o1, left, a2);\n      smoothArea(d, area);\n      result[0] = a1[0] + a2[0];\n      result[1] = a1[1] + a2[1];\n      break;\n    }\n    case 13: {\n      getOrthArea(0, o2, d, o1, left, result);\n      break;\n    }\n    case 14: {\n      getOrthArea(0, o1, d, o2, left, result);\n      break;\n    }\n    case 15: {\n      result[0] = 0;\n      result[1] = 0;\n      break;\n    }\n  }\n  return result;\n}\nfunction isInsideArea(a1X, a1Y, a2X, a2Y, x, y) {\n  let result = a1X === a2X && a1Y === a2Y;\n  if (!result) {\n    const xm = (a1X + a2X) / 2;\n    const ym = (a1Y + a2Y) / 2;\n    const a = a2Y - a1Y;\n    const b = a1X - a2X;\n    const c2 = a * (x - xm) + b * (y - ym);\n    result = c2 > 0;\n  }\n  return result;\n}\nfunction getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, pX, pY) {\n  let n = 0;\n  for (let y = 0; y < DIAGONAL_SAMPLES; ++y) {\n    for (let x = 0; x < DIAGONAL_SAMPLES; ++x) {\n      const offsetX = x / (DIAGONAL_SAMPLES - 1);\n      const offsetY = y / (DIAGONAL_SAMPLES - 1);\n      if (isInsideArea(a1X, a1Y, a2X, a2Y, pX + offsetX, pY + offsetY)) {\n        ++n;\n      }\n    }\n  }\n  return n / (DIAGONAL_SAMPLES * DIAGONAL_SAMPLES);\n}\nfunction getDiagArea(pattern, a1X, a1Y, a2X, a2Y, left, offset, result) {\n  const e = diagonalEdges[pattern];\n  const e1 = e[0];\n  const e2 = e[1];\n  if (e1 > 0) {\n    a1X += offset[0];\n    a1Y += offset[1];\n  }\n  if (e2 > 0) {\n    a2X += offset[0];\n    a2Y += offset[1];\n  }\n  result[0] = 1 - getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 0 + left);\n  result[1] = getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 1 + left);\n  return result;\n}\nfunction getDiagAreaForPattern(pattern, left, right, offset, result) {\n  const a1 = area[0];\n  const a2 = area[1];\n  const d = left + right + 1;\n  switch (pattern) {\n    case 0: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 1: {\n      getDiagArea(pattern, 1, 0, 0 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 2: {\n      getDiagArea(pattern, 0, 0, 1 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 3: {\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, result);\n      break;\n    }\n    case 4: {\n      getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 5: {\n      getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 6: {\n      getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, result);\n      break;\n    }\n    case 7: {\n      getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 8: {\n      getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 9: {\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n      break;\n    }\n    case 10: {\n      getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 11: {\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 12: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, result);\n      break;\n    }\n    case 13: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 14: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 15: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n  }\n  return result;\n}\nfunction generatePatterns(patterns, offset, orthogonal) {\n  const result = new Float32Array(2);\n  for (let i = 0, l = patterns.length; i < l; ++i) {\n    const pattern = patterns[i];\n    const data = pattern.data;\n    const size = pattern.width;\n    for (let y = 0; y < size; ++y) {\n      for (let x = 0; x < size; ++x) {\n        if (orthogonal) {\n          getOrthAreaForPattern(i, x, y, offset, result);\n        } else {\n          getDiagAreaForPattern(i, x, y, offset, result);\n        }\n        const c2 = (y * size + x) * 2;\n        data[c2] = result[0] * 255;\n        data[c2 + 1] = result[1] * 255;\n      }\n    }\n  }\n}\nfunction assemble(baseX, baseY, patterns, edges2, size, orthogonal, target) {\n  const dstData = target.data;\n  const dstWidth = target.width;\n  for (let i = 0, l = patterns.length; i < l; ++i) {\n    const edge = edges2[i];\n    const pattern = patterns[i];\n    const srcData = pattern.data;\n    const srcWidth = pattern.width;\n    for (let y = 0; y < size; ++y) {\n      for (let x = 0; x < size; ++x) {\n        const pX = edge[0] * size + baseX + x;\n        const pY = edge[1] * size + baseY + y;\n        const c2 = (pY * dstWidth + pX) * 4;\n        const d = orthogonal ? (y * y * srcWidth + x * x) * 2 : (y * srcWidth + x) * 2;\n        dstData[c2] = srcData[d];\n        dstData[c2 + 1] = srcData[d + 1];\n        dstData[c2 + 2] = 0;\n        dstData[c2 + 3] = 255;\n      }\n    }\n  }\n}\nvar SMAAAreaImageData = class {\n  static generate() {\n    const width = 2 * 5 * ORTHOGONAL_SIZE;\n    const height = orthogonalSubsamplingOffsets.length * 5 * ORTHOGONAL_SIZE;\n    const data = new Uint8ClampedArray(width * height * 4);\n    const result = new RawImageData(width, height, data);\n    const orthPatternSize = Math.pow(ORTHOGONAL_SIZE - 1, 2) + 1;\n    const diagPatternSize = DIAGONAL_SIZE;\n    const orthogonalPatterns = [];\n    const diagonalPatterns = [];\n    for (let i = 3, l = data.length; i < l; i += 4) {\n      data[i] = 255;\n    }\n    for (let i = 0; i < 16; ++i) {\n      orthogonalPatterns.push(new RawImageData(orthPatternSize, orthPatternSize, new Uint8ClampedArray(orthPatternSize * orthPatternSize * 2), 2));\n      diagonalPatterns.push(new RawImageData(diagPatternSize, diagPatternSize, new Uint8ClampedArray(diagPatternSize * diagPatternSize * 2), 2));\n    }\n    for (let i = 0, l = orthogonalSubsamplingOffsets.length; i < l; ++i) {\n      generatePatterns(orthogonalPatterns, orthogonalSubsamplingOffsets[i], true);\n      assemble(0, 5 * ORTHOGONAL_SIZE * i, orthogonalPatterns, orthogonalEdges, ORTHOGONAL_SIZE, true, result);\n    }\n    for (let i = 0, l = diagonalSubsamplingOffsets.length; i < l; ++i) {\n      generatePatterns(diagonalPatterns, diagonalSubsamplingOffsets[i], false);\n      assemble(5 * ORTHOGONAL_SIZE, 4 * DIAGONAL_SIZE * i, diagonalPatterns, diagonalEdges, DIAGONAL_SIZE, false, result);\n    }\n    return result;\n  }\n};\n\n// src/images/smaa/SMAAImageGenerator.js\nimport { LoadingManager } from \"three\";\n\n// tmp/smaa/worker.txt\nvar worker_default2 = '(()=>{function q(t,a,s){let i=document.createElementNS(\"http://www.w3.org/1999/xhtml\",\"canvas\"),n=i.getContext(\"2d\");if(i.width=t,i.height=a,s instanceof Image)n.drawImage(s,0,0);else{let r=n.createImageData(t,a);r.data.set(s),n.putImageData(r,0,0)}return i}var k=class{constructor(a=0,s=0,i=null){this.width=a,this.height=s,this.data=i}toCanvas(){return typeof document==\"undefined\"?null:q(this.width,this.height,this.data)}static from(a){let{width:s,height:i}=a,n;if(a instanceof Image){let r=q(s,i,a);r!==null&&(n=r.getContext(\"2d\").getImageData(0,0,s,i).data)}else n=a.data;return new k(s,i,n)}};var F=[new Float32Array(2),new Float32Array(2)],I=16,P=20,x=30,z=32,E=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),W=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],B=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],_=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];function O(t,a,s){return t+(a-t)*s}function J(t){return Math.min(Math.max(t,0),1)}function G(t){let a=F[0],s=F[1],i=Math.sqrt(a[0]*2)*.5,n=Math.sqrt(a[1]*2)*.5,r=Math.sqrt(s[0]*2)*.5,o=Math.sqrt(s[1]*2)*.5,c=J(t/z);a[0]=O(i,a[0],c),a[1]=O(n,a[1],c),s[0]=O(r,s[0],c),s[1]=O(o,s[1],c)}function y(t,a,s,i,n,r){let o=s-t,c=i-a,w=n,e=n+1,A=a+c*(w-t)/o,b=a+c*(e-t)/o;if(w>=t&&w<s||e>t&&e<=s)if(Math.sign(A)===Math.sign(b)||Math.abs(A)<1e-4||Math.abs(b)<1e-4){let g=(A+b)/2;g<0?(r[0]=Math.abs(g),r[1]=0):(r[0]=0,r[1]=Math.abs(g))}else{let g=-a*o/c+t,M=Math.trunc(g),U=g>t?A*(g-M)/2:0,m=g<s?b*(1-(g-M))/2:0;(Math.abs(U)>Math.abs(m)?U:-m)<0?(r[0]=Math.abs(U),r[1]=Math.abs(m)):(r[0]=Math.abs(m),r[1]=Math.abs(U))}else r[0]=0,r[1]=0;return r}function K(t,a,s,i,n){let r=F[0],o=F[1],c=.5+i,w=.5+i-1,e=a+s+1;switch(t){case 0:{n[0]=0,n[1]=0;break}case 1:{a<=s?y(0,w,e/2,0,a,n):(n[0]=0,n[1]=0);break}case 2:{a>=s?y(e/2,0,e,w,a,n):(n[0]=0,n[1]=0);break}case 3:{y(0,w,e/2,0,a,r),y(e/2,0,e,w,a,o),G(e,F),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 4:{a<=s?y(0,c,e/2,0,a,n):(n[0]=0,n[1]=0);break}case 5:{n[0]=0,n[1]=0;break}case 6:{Math.abs(i)>0?(y(0,c,e,w,a,r),y(0,c,e/2,0,a,o),y(e/2,0,e,w,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):y(0,c,e,w,a,n);break}case 7:{y(0,c,e,w,a,n);break}case 8:{a>=s?y(e/2,0,e,c,a,n):(n[0]=0,n[1]=0);break}case 9:{Math.abs(i)>0?(y(0,w,e,c,a,r),y(0,w,e/2,0,a,o),y(e/2,0,e,c,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):y(0,w,e,c,a,n);break}case 10:{n[0]=0,n[1]=0;break}case 11:{y(0,w,e,c,a,n);break}case 12:{y(0,c,e/2,0,a,r),y(e/2,0,e,c,a,o),G(e,F),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 13:{y(0,w,e,c,a,n);break}case 14:{y(0,c,e,w,a,n);break}case 15:{n[0]=0,n[1]=0;break}}return n}function Q(t,a,s,i,n,r){let o=t===s&&a===i;if(!o){let c=(t+s)/2,w=(a+i)/2,e=i-a,A=t-s;o=e*(n-c)+A*(r-w)>0}return o}function H(t,a,s,i,n,r){let o=0;for(let c=0;c<x;++c)for(let w=0;w<x;++w){let e=w/(x-1),A=c/(x-1);Q(t,a,s,i,n+e,r+A)&&++o}return o/(x*x)}function h(t,a,s,i,n,r,o,c){let w=_[t],e=w[0],A=w[1];return e>0&&(a+=o[0],s+=o[1]),A>0&&(i+=o[0],n+=o[1]),c[0]=1-H(a,s,i,n,1+r,0+r),c[1]=H(a,s,i,n,1+r,1+r),c}function V(t,a,s,i,n){let r=F[0],o=F[1],c=a+s+1;switch(t){case 0:{h(t,1,1,1+c,1+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 1:{h(t,1,0,0+c,0+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 2:{h(t,0,0,1+c,0+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 3:{h(t,1,0,1+c,0+c,a,i,n);break}case 4:{h(t,1,1,0+c,0+c,a,i,r),h(t,1,1,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 5:{h(t,1,1,0+c,0+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 6:{h(t,1,1,1+c,0+c,a,i,n);break}case 7:{h(t,1,1,1+c,0+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 8:{h(t,0,0,1+c,1+c,a,i,r),h(t,1,0,1+c,1+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 9:{h(t,1,0,1+c,1+c,a,i,n),h(t,1,0,1+c,1+c,a,i,n);break}case 10:{h(t,0,0,1+c,1+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 11:{h(t,1,0,1+c,1+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 12:{h(t,1,1,1+c,1+c,a,i,n);break}case 13:{h(t,1,1,1+c,1+c,a,i,r),h(t,1,0,1+c,1+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 14:{h(t,1,1,1+c,1+c,a,i,r),h(t,1,1,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 15:{h(t,1,1,1+c,1+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}}return n}function T(t,a,s){let i=new Float32Array(2);for(let n=0,r=t.length;n<r;++n){let o=t[n],c=o.data,w=o.width;for(let e=0;e<w;++e)for(let A=0;A<w;++A){s?K(n,A,e,a,i):V(n,A,e,a,i);let b=(e*w+A)*2;c[b]=i[0]*255,c[b+1]=i[1]*255}}}function Z(t,a,s,i,n,r,o){let c=o.data,w=o.width;for(let e=0,A=s.length;e<A;++e){let b=i[e],g=s[e],M=g.data,U=g.width;for(let m=0;m<n;++m)for(let D=0;D<n;++D){let j=b[0]*n+t+D,S=((b[1]*n+a+m)*w+j)*4,R=r?(m*m*U+D*D)*2:(m*U+D)*2;c[S]=M[R],c[S+1]=M[R+1],c[S+2]=0,c[S+3]=255}}}var v=class{static generate(){let a=2*5*I,s=E.length*5*I,i=new Uint8ClampedArray(a*s*4),n=new k(a,s,i),r=Math.pow(I-1,2)+1,o=P,c=[],w=[];for(let e=3,A=i.length;e<A;e+=4)i[e]=255;for(let e=0;e<16;++e)c.push(new k(r,r,new Uint8ClampedArray(r*r*2),2)),w.push(new k(o,o,new Uint8ClampedArray(o*o*2),2));for(let e=0,A=E.length;e<A;++e)T(c,E[e],!0),Z(0,5*I*e,c,B,I,!0,n);for(let e=0,A=W.length;e<A;++e)T(w,W[e],!1),Z(5*I,4*P*e,w,_,P,!1,n);return n}};var C=new Map([[d(0,0,0,0),new Float32Array([0,0,0,0])],[d(0,0,0,1),new Float32Array([0,0,0,1])],[d(0,0,1,0),new Float32Array([0,0,1,0])],[d(0,0,1,1),new Float32Array([0,0,1,1])],[d(0,1,0,0),new Float32Array([0,1,0,0])],[d(0,1,0,1),new Float32Array([0,1,0,1])],[d(0,1,1,0),new Float32Array([0,1,1,0])],[d(0,1,1,1),new Float32Array([0,1,1,1])],[d(1,0,0,0),new Float32Array([1,0,0,0])],[d(1,0,0,1),new Float32Array([1,0,0,1])],[d(1,0,1,0),new Float32Array([1,0,1,0])],[d(1,0,1,1),new Float32Array([1,0,1,1])],[d(1,1,0,0),new Float32Array([1,1,0,0])],[d(1,1,0,1),new Float32Array([1,1,0,1])],[d(1,1,1,0),new Float32Array([1,1,1,0])],[d(1,1,1,1),new Float32Array([1,1,1,1])]]);function L(t,a,s){return t+(a-t)*s}function d(t,a,s,i){let n=L(t,a,1-.25),r=L(s,i,1-.25);return L(n,r,1-.125)}function $(t,a){let s=0;return a[3]===1&&(s+=1),s===1&&a[2]===1&&t[1]!==1&&t[3]!==1&&(s+=1),s}function Y(t,a){let s=0;return a[3]===1&&t[1]!==1&&t[3]!==1&&(s+=1),s===1&&a[2]===1&&t[0]!==1&&t[2]!==1&&(s+=1),s}var N=class{static generate(){let a=66,s=33,i=a/2,n=64,r=16,o=new Uint8ClampedArray(a*s),c=new Uint8ClampedArray(n*r*4);for(let w=0;w<s;++w)for(let e=0;e<a;++e){let A=.03125*e,b=.03125*w;if(C.has(A)&&C.has(b)){let g=C.get(A),M=C.get(b),U=w*a+e;o[U]=127*$(g,M),o[U+i]=127*Y(g,M)}}for(let w=0,e=s-r;e<s;++e)for(let A=0;A<n;++A,w+=4)c[w]=o[e*a+A],c[w+3]=255;return new k(n,r,c)}};self.addEventListener(\"message\",t=>{let a=v.generate(),s=N.generate();postMessage({areaImageData:a,searchImageData:s},[a.data.buffer,s.data.buffer]),close()});})();\\n';\n\n// src/images/smaa/SMAAImageGenerator.js\nfunction generate(useCache = true) {\n  const workerURL = URL.createObjectURL(new Blob([worker_default2], {\n    type: \"text/javascript\"\n  }));\n  const worker = new Worker(workerURL);\n  URL.revokeObjectURL(workerURL);\n  return new Promise((resolve, reject) => {\n    worker.addEventListener(\"error\", (event) => reject(event.error));\n    worker.addEventListener(\"message\", (event) => {\n      const searchImageData = RawImageData.from(event.data.searchImageData);\n      const areaImageData = RawImageData.from(event.data.areaImageData);\n      const urls = [\n        searchImageData.toCanvas().toDataURL(\"image/png\", 1),\n        areaImageData.toCanvas().toDataURL(\"image/png\", 1)\n      ];\n      if (useCache) {\n        localStorage.setItem(\"smaa-search\", urls[0]);\n        localStorage.setItem(\"smaa-area\", urls[1]);\n      }\n      resolve(urls);\n    });\n    worker.postMessage(null);\n  });\n}\nvar SMAAImageGenerator = class {\n  constructor() {\n    this.disableCache = false;\n  }\n  generate() {\n    const useCache = !this.disableCache && window.localStorage !== void 0;\n    const cachedURLs = useCache ? [\n      localStorage.getItem(\"smaa-search\"),\n      localStorage.getItem(\"smaa-area\")\n    ] : [null, null];\n    const promise = cachedURLs[0] !== null && cachedURLs[1] !== null ? Promise.resolve(cachedURLs) : generate(useCache);\n    return promise.then((urls) => {\n      return new Promise((resolve, reject) => {\n        const searchImage = new Image();\n        const areaImage = new Image();\n        const manager = new LoadingManager();\n        manager.onLoad = () => resolve([searchImage, areaImage]);\n        manager.onError = reject;\n        searchImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-search\"));\n        areaImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-area\"));\n        searchImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-search\"));\n        areaImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-area\"));\n        manager.itemStart(\"smaa-search\");\n        manager.itemStart(\"smaa-area\");\n        searchImage.src = urls[0];\n        areaImage.src = urls[1];\n      });\n    });\n  }\n};\n\n// src/images/smaa/SMAASearchImageData.js\nvar edges = new Map([\n  [bilinear(0, 0, 0, 0), new Float32Array([0, 0, 0, 0])],\n  [bilinear(0, 0, 0, 1), new Float32Array([0, 0, 0, 1])],\n  [bilinear(0, 0, 1, 0), new Float32Array([0, 0, 1, 0])],\n  [bilinear(0, 0, 1, 1), new Float32Array([0, 0, 1, 1])],\n  [bilinear(0, 1, 0, 0), new Float32Array([0, 1, 0, 0])],\n  [bilinear(0, 1, 0, 1), new Float32Array([0, 1, 0, 1])],\n  [bilinear(0, 1, 1, 0), new Float32Array([0, 1, 1, 0])],\n  [bilinear(0, 1, 1, 1), new Float32Array([0, 1, 1, 1])],\n  [bilinear(1, 0, 0, 0), new Float32Array([1, 0, 0, 0])],\n  [bilinear(1, 0, 0, 1), new Float32Array([1, 0, 0, 1])],\n  [bilinear(1, 0, 1, 0), new Float32Array([1, 0, 1, 0])],\n  [bilinear(1, 0, 1, 1), new Float32Array([1, 0, 1, 1])],\n  [bilinear(1, 1, 0, 0), new Float32Array([1, 1, 0, 0])],\n  [bilinear(1, 1, 0, 1), new Float32Array([1, 1, 0, 1])],\n  [bilinear(1, 1, 1, 0), new Float32Array([1, 1, 1, 0])],\n  [bilinear(1, 1, 1, 1), new Float32Array([1, 1, 1, 1])]\n]);\nfunction lerp2(a, b, p) {\n  return a + (b - a) * p;\n}\nfunction bilinear(e0, e1, e2, e3) {\n  const a = lerp2(e0, e1, 1 - 0.25);\n  const b = lerp2(e2, e3, 1 - 0.25);\n  return lerp2(a, b, 1 - 0.125);\n}\nfunction deltaLeft(left, top) {\n  let d = 0;\n  if (top[3] === 1) {\n    d += 1;\n  }\n  if (d === 1 && top[2] === 1 && left[1] !== 1 && left[3] !== 1) {\n    d += 1;\n  }\n  return d;\n}\nfunction deltaRight(left, top) {\n  let d = 0;\n  if (top[3] === 1 && left[1] !== 1 && left[3] !== 1) {\n    d += 1;\n  }\n  if (d === 1 && top[2] === 1 && left[0] !== 1 && left[2] !== 1) {\n    d += 1;\n  }\n  return d;\n}\nvar SMAASearchImageData = class {\n  static generate() {\n    const width = 66;\n    const height = 33;\n    const halfWidth = width / 2;\n    const croppedWidth = 64;\n    const croppedHeight = 16;\n    const data = new Uint8ClampedArray(width * height);\n    const croppedData = new Uint8ClampedArray(croppedWidth * croppedHeight * 4);\n    for (let y = 0; y < height; ++y) {\n      for (let x = 0; x < width; ++x) {\n        const s = 0.03125 * x;\n        const t = 0.03125 * y;\n        if (edges.has(s) && edges.has(t)) {\n          const e1 = edges.get(s);\n          const e2 = edges.get(t);\n          const i = y * width + x;\n          data[i] = 127 * deltaLeft(e1, e2);\n          data[i + halfWidth] = 127 * deltaRight(e1, e2);\n        }\n      }\n    }\n    for (let i = 0, y = height - croppedHeight; y < height; ++y) {\n      for (let x = 0; x < croppedWidth; ++x, i += 4) {\n        croppedData[i] = data[y * width + x];\n        croppedData[i + 3] = 255;\n      }\n    }\n    return new RawImageData(croppedWidth, croppedHeight, croppedData);\n  }\n};\n\n// src/loaders/LUT3dlLoader.js\nimport { FileLoader, Loader, LoadingManager as LoadingManager2, sRGBEncoding as sRGBEncoding4 } from \"three\";\nvar LUT3dlLoader = class extends Loader {\n  load(url, onLoad = () => {\n  }, onProgress = () => {\n  }, onError = null) {\n    const externalManager = this.manager;\n    const internalManager = new LoadingManager2();\n    const loader = new FileLoader(internalManager);\n    loader.setPath(this.path);\n    loader.setResponseType(\"text\");\n    return new Promise((resolve, reject) => {\n      internalManager.onError = (url2) => {\n        externalManager.itemError(url2);\n        if (onError !== null) {\n          onError(`Failed to load ${url2}`);\n          resolve();\n        } else {\n          reject(`Failed to load ${url2}`);\n        }\n      };\n      externalManager.itemStart(url);\n      loader.load(url, (data) => {\n        try {\n          const result = this.parse(data);\n          externalManager.itemEnd(url);\n          onLoad(result);\n          resolve(result);\n        } catch (e) {\n          console.error(e);\n          internalManager.onError(url);\n        }\n      }, onProgress);\n    });\n  }\n  parse(input) {\n    const regExpGridInfo = /^[\\d ]+$/m;\n    const regExpDataPoints = /^([\\d.]+) +([\\d.]+) +([\\d.]+) *$/gm;\n    let result = regExpGridInfo.exec(input);\n    if (result === null) {\n      throw new Error(\"Missing grid information\");\n    }\n    const gridLines = result[0].trim().split(/\\s+/g).map((n) => Number(n));\n    const gridStep = gridLines[1] - gridLines[0];\n    const size = gridLines.length;\n    for (let i = 1, l = gridLines.length; i < l; ++i) {\n      if (gridStep !== gridLines[i] - gridLines[i - 1]) {\n        throw new Error(\"Inconsistent grid size\");\n      }\n    }\n    const data = new Float32Array(size ** 3 * 3);\n    let maxValue = 0;\n    let index = 0;\n    while ((result = regExpDataPoints.exec(input)) !== null) {\n      const r = Number(result[1]);\n      const g = Number(result[2]);\n      const b = Number(result[3]);\n      maxValue = Math.max(maxValue, r, g, b);\n      const bLayer = index % size;\n      const gLayer = Math.floor(index / size) % size;\n      const rLayer = Math.floor(index / (size * size)) % size;\n      const d3 = (bLayer * size * size + gLayer * size + rLayer) * 3;\n      data[d3 + 0] = r;\n      data[d3 + 1] = g;\n      data[d3 + 2] = b;\n      ++index;\n    }\n    const bits = Math.ceil(Math.log2(maxValue));\n    const maxBitValue = Math.pow(2, bits);\n    for (let i = 0, l = data.length; i < l; ++i) {\n      data[i] /= maxBitValue;\n    }\n    const lut = new LookupTexture3D(data, size, size, size);\n    lut.encoding = sRGBEncoding4;\n    return lut;\n  }\n};\n\n// src/loaders/LUTCubeLoader.js\nimport { FileLoader as FileLoader2, Loader as Loader2, LoadingManager as LoadingManager3, sRGBEncoding as sRGBEncoding5, Vector3 as Vector36 } from \"three\";\nvar LUTCubeLoader = class extends Loader2 {\n  load(url, onLoad = () => {\n  }, onProgress = () => {\n  }, onError = null) {\n    const externalManager = this.manager;\n    const internalManager = new LoadingManager3();\n    const loader = new FileLoader2(internalManager);\n    loader.setPath(this.path);\n    loader.setResponseType(\"text\");\n    return new Promise((resolve, reject) => {\n      internalManager.onError = (url2) => {\n        externalManager.itemError(url2);\n        if (onError !== null) {\n          onError(`Failed to load ${url2}`);\n          resolve();\n        } else {\n          reject(`Failed to load ${url2}`);\n        }\n      };\n      externalManager.itemStart(url);\n      loader.load(url, (data) => {\n        try {\n          const result = this.parse(data);\n          externalManager.itemEnd(url);\n          onLoad(result);\n          resolve(result);\n        } catch (e) {\n          console.error(e);\n          internalManager.onError(url);\n        }\n      }, onProgress);\n    });\n  }\n  parse(input) {\n    const regExpTitle = /TITLE +\"([^\"]*)\"/;\n    const regExpSize = /LUT_3D_SIZE +(\\d+)/;\n    const regExpDomainMin = /DOMAIN_MIN +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n    const regExpDomainMax = /DOMAIN_MAX +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n    const regExpDataPoints = /^([\\d.]+) +([\\d.]+) +([\\d.]+) *$/gm;\n    let result = regExpTitle.exec(input);\n    const title = result !== null ? result[1] : null;\n    result = regExpSize.exec(input);\n    if (result === null) {\n      throw new Error(\"Missing LUT_3D_SIZE information\");\n    }\n    const size = Number(result[1]);\n    const data = new Float32Array(size ** 3 * 3);\n    const domainMin = new Vector36(0, 0, 0);\n    const domainMax = new Vector36(1, 1, 1);\n    result = regExpDomainMin.exec(input);\n    if (result !== null) {\n      domainMin.set(Number(result[1]), Number(result[2]), Number(result[3]));\n    }\n    result = regExpDomainMax.exec(input);\n    if (result !== null) {\n      domainMax.set(Number(result[1]), Number(result[2]), Number(result[3]));\n    }\n    if (domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z) {\n      domainMin.set(0, 0, 0);\n      domainMax.set(1, 1, 1);\n      throw new Error(\"Invalid input domain\");\n    }\n    let i = 0;\n    while ((result = regExpDataPoints.exec(input)) !== null) {\n      data[i++] = Number(result[1]);\n      data[i++] = Number(result[2]);\n      data[i++] = Number(result[3]);\n    }\n    const lut = new LookupTexture3D(data, size, size, size);\n    lut.encoding = sRGBEncoding5;\n    lut.domainMin.copy(domainMin);\n    lut.domainMax.copy(domainMax);\n    if (title !== null) {\n      lut.name = title;\n    }\n    return lut;\n  }\n};\n\n// src/loaders/SMAAImageLoader.js\nimport { Loader as Loader3, LoadingManager as LoadingManager4 } from \"three\";\nvar SMAAImageLoader = class extends Loader3 {\n  load(onLoad = () => {\n  }, onError = null) {\n    if (arguments.length === 4) {\n      onLoad = arguments[1];\n      onError = arguments[3];\n    } else if (arguments.length === 3 || typeof arguments[0] !== \"function\") {\n      onLoad = arguments[1];\n      onError = null;\n    }\n    const externalManager = this.manager;\n    const internalManager = new LoadingManager4();\n    return new Promise((resolve, reject) => {\n      const searchImage = new Image();\n      const areaImage = new Image();\n      internalManager.onError = (url) => {\n        externalManager.itemError(url);\n        if (onError !== null) {\n          onError(`Failed to load ${url}`);\n          resolve();\n        } else {\n          reject(`Failed to load ${url}`);\n        }\n      };\n      internalManager.onLoad = () => {\n        const result = [searchImage, areaImage];\n        onLoad(result);\n        resolve(result);\n      };\n      searchImage.addEventListener(\"error\", (e) => {\n        internalManager.itemError(\"smaa-search\");\n      });\n      areaImage.addEventListener(\"error\", (e) => {\n        internalManager.itemError(\"smaa-area\");\n      });\n      searchImage.addEventListener(\"load\", () => {\n        externalManager.itemEnd(\"smaa-search\");\n        internalManager.itemEnd(\"smaa-search\");\n      });\n      areaImage.addEventListener(\"load\", () => {\n        externalManager.itemEnd(\"smaa-area\");\n        internalManager.itemEnd(\"smaa-area\");\n      });\n      externalManager.itemStart(\"smaa-search\");\n      externalManager.itemStart(\"smaa-area\");\n      internalManager.itemStart(\"smaa-search\");\n      internalManager.itemStart(\"smaa-area\");\n      searchImage.src = searchImageDataURL_default;\n      areaImage.src = areaImageDataURL_default;\n    });\n  }\n};\nexport {\n  AdaptiveLuminanceMaterial,\n  AdaptiveLuminancePass,\n  BlendFunction,\n  BlendMode,\n  BloomEffect,\n  BlurPass,\n  BokehEffect,\n  BokehMaterial,\n  BrightnessContrastEffect,\n  ChromaticAberrationEffect,\n  CircleOfConfusionMaterial,\n  ClearMaskPass,\n  ClearPass,\n  ColorAverageEffect,\n  ColorChannel,\n  ColorDepthEffect,\n  ColorEdgesMaterial,\n  ConvolutionMaterial,\n  CopyMaterial,\n  DepthComparisonMaterial,\n  DepthCopyMaterial,\n  DepthCopyMode,\n  DepthDownsamplingMaterial,\n  DepthDownsamplingPass,\n  DepthEffect,\n  DepthMaskMaterial,\n  DepthOfFieldEffect,\n  DepthPass,\n  DepthPickingPass,\n  DepthSavePass,\n  Disposable,\n  DotScreenEffect,\n  EdgeDetectionMaterial,\n  EdgeDetectionMode,\n  Effect,\n  EffectAttribute,\n  EffectComposer,\n  EffectMaterial,\n  EffectPass,\n  GammaCorrectionEffect,\n  GlitchEffect,\n  GlitchMode,\n  GodRaysEffect,\n  GodRaysMaterial,\n  GridEffect,\n  HueSaturationEffect,\n  Initializable,\n  KernelSize,\n  LUT3dlLoader,\n  LUTCubeLoader,\n  LUTEffect,\n  LUTOperation,\n  LambdaPass,\n  LookupTexture3D,\n  LuminanceMaterial,\n  LuminancePass,\n  MaskFunction,\n  MaskMaterial,\n  MaskPass,\n  NoiseEffect,\n  NoiseTexture,\n  NormalPass,\n  OutlineEdgesMaterial,\n  OutlineEffect,\n  OutlineMaterial,\n  OverrideMaterialManager,\n  Pass,\n  PixelationEffect,\n  PredicationMode,\n  RawImageData,\n  RealisticBokehEffect,\n  RenderPass,\n  Resizable,\n  Resizer,\n  SMAAAreaImageData,\n  SMAAEffect,\n  SMAAImageGenerator,\n  SMAAImageLoader,\n  SMAAPreset,\n  SMAASearchImageData,\n  SMAAWeightsMaterial,\n  SSAOEffect,\n  SSAOMaterial,\n  SavePass,\n  ScanlineEffect,\n  Section,\n  Selection,\n  SelectiveBloomEffect,\n  SepiaEffect,\n  ShaderPass,\n  ShockWaveEffect,\n  TetrahedralUpscaler,\n  TextureEffect,\n  ToneMappingEffect,\n  ToneMappingMode,\n  VignetteEffect,\n  WebGLExtension\n};\n", "import { getScaleFactor } from './Scale';\n\n/**\n * @ignore\n */\nexport function getOrbitShaderFragment() {\n  return `\n    varying vec3 vColor;\n    uniform sampler2D texture;\n\n    void main() {\n      gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord);\n    }\n  `;\n}\n\n/**\n * @ignore\n */\nexport function getOrbitShaderVertex() {\n  return `\n    attribute vec3 fuzzColor;\n    attribute vec3 origin;\n    varying vec3 vColor;\n\n    attribute float size;\n\n    attribute float a;\n    attribute float e;\n    attribute float i;\n    attribute float om;\n    attribute float wBar;\n    attribute float M;\n\n    // Perihelion distance\n    attribute float q;\n\n    // CPU-computed term for parabolic orbits\n    attribute float a0;\n\n    // COSH Function (Hyperbolic Cosine)\n    float cosh(float val) {\n      float tmp = exp(val);\n      float cosH = (tmp + 1.0 / tmp) / 2.0;\n      return cosH;\n    }\n\n    // TANH Function (Hyperbolic Tangent)\n    float tanh(float val) {\n      float tmp = exp(val);\n      float tanH = (tmp - 1.0 / tmp) / (tmp + 1.0 / tmp);\n      return tanH;\n    }\n\n    // SINH Function (Hyperbolic Sine)\n    float sinh(float val) {\n      float tmp = exp(val);\n      float sinH = (tmp - 1.0 / tmp) / 2.0;\n      return sinH;\n    }\n\n    // Cube root helper that assumes param is positive\n    float cbrt(float x) {\n      return exp(log(x) / 3.0);\n    }\n\n    vec3 getPosNearParabolic() {\n      // See https://stjarnhimlen.se/comp/ppcomp.html#17\n      float b = sqrt(1.0 + a0 * a0);\n      float W = cbrt(b + a0) - cbrt(b - a0);\n      float f = (1.0 - e) / (1.0 + e);\n\n      float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n      float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n      float a3 =\n        W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n      float C = (W * W) / (1.0 + W * W);\n      float g = f * C * C;\n      float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n      // True anomaly\n      float v = 2.0 * atan(w);\n      // Heliocentric distance\n      float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n      // Compute heliocentric coords.\n      float i_rad = i;\n      float o_rad = om;\n      float p_rad = wBar;\n      float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n      return vec3(X, Y, Z);\n    }\n\n    vec3 getPosHyperbolic() {\n      float F0 = M;\n      for (int count = 0; count < 100; count++) {\n        float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n        float lastdiff = abs(F1 - F0);\n        F0 = F1;\n\n        if (lastdiff < 0.0000001) {\n          break;\n        }\n      }\n      float F = F0;\n\n      float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n      float r = ${getScaleFactor().toFixed(\n        1,\n      )} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n      // Compute heliocentric coords.\n      float i_rad = i;\n      float o_rad = om;\n      float p_rad = wBar;\n      float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n      return vec3(X, Y, Z);\n    }\n\n    vec3 getPosEllipsoid() {\n      float i_rad = i;\n      float o_rad = om;\n      float p_rad = wBar;\n\n      // Estimate eccentric and true anom using iterative approximation (this\n      // is normally an intergral).\n      float E0 = M;\n      float E1 = M + e * sin(E0);\n      float lastdiff = abs(E1-E0);\n      E0 = E1;\n\n      for (int count = 0; count < 100; count++) {\n        E1 = M + e * sin(E0);\n        lastdiff = abs(E1-E0);\n        E0 = E1;\n        if (lastdiff < 0.0000001) {\n          break;\n        }\n      }\n\n      float E = E0;\n      float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n      // Compute radius vector.\n      float r = ${getScaleFactor().toFixed(\n        1,\n      )} * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n      // Compute heliocentric coords.\n      float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n      return vec3(X, Y, Z);\n    }\n\n    vec3 getPos() {\n      if (e > 0.9 && e < 1.2) {\n        return getPosNearParabolic();\n      } else if (e > 1.2) {\n        return getPosHyperbolic();\n      }\n      return getPosEllipsoid();\n    }\n\n    void main() {\n      vColor = fuzzColor;\n\n      vec3 newpos = getPos() + origin;\n      vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n      gl_Position = projectionMatrix * mvPosition;\n      gl_PointSize = size;\n    }\n  `;\n}\n\nexport const STAR_SHADER_FRAGMENT = `\n    varying vec3 vColor;\n\n    void main() {\n      float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n      gl_FragColor = vec4(vColor, a);\n    }\n`;\n\nexport const STAR_SHADER_VERTEX = `\n    attribute float size;\n    varying vec3 vColor;\n\n    void main() {\n        vColor = color;\n        vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n        gl_PointSize = size;\n        gl_Position = projectionMatrix * mvPosition;\n    }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_VERTEX = `\n    attribute float size;\n    attribute vec3 customColor;\n    varying vec3 vColor;\n    void main() {\n      vColor = customColor;\n      vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n      gl_PointSize = size * (300.0 / -mvPosition.z);\n      gl_Position = projectionMatrix * mvPosition;\n    }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_FRAGMENT = `\n    uniform vec3 color;\n    uniform sampler2D texture;\n    varying vec3 vColor;\n    void main() {\n      gl_FragColor = vec4(color * vColor, 1.0);\n      gl_FragColor = gl_FragColor * texture2D(texture, gl_PointCoord);\n      if (gl_FragColor.a < ALPHATEST) discard;\n    }\n`;\n\nexport const ATMOSPHERE_SHADER_VERTEX = `\n  uniform vec3 lightPos;\n\n  varying vec2 vUv;\n  varying vec3 vecPos;\n  varying vec3 vecNormal;\n  //varying vec3 vNormal;\n\n  varying vec3 vViewLightPos;\n\n  void main() {\n    //vNormal = normalize(normalMatrix * normal);\n    //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n    vUv = uv;\n    // Since the light is in camera coordinates,\n    // I'll need the vertex position in camera coords too\n    vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n    // That's NOT exacly how you should transform your\n    // normals but this will work fine, since my model\n    // matrix is pretty basic\n    vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n    vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n    gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n  }\n`;\n\n// With help from https://stackoverflow.com/questions/43621274/how-to-correctly-set-lighting-for-custom-shader-material\nexport const ATMOSPHERE_SHADER_FRAGMENT = `\n  uniform float c;\n  uniform float p;\n  uniform vec3 color;\n\n  varying vec2 vUv;\n  varying vec3 vecPos;\n  varying vec3 vecNormal;\n  varying vec3  vViewLightPos;\n\n  void main() {\n    float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n    vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n    vec3 lightDirection = normalize(vecPos - vViewLightPos);\n    addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n                       * 1.0 /* intensity */;\n                       // * pointLights[i].color\n\n    gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n  }\n`;\n\nexport const SPHERE_SHADER_VERTEX = `\n  uniform vec3 lightPos;\n\n  varying vec2 vUv;\n  varying vec3 vViewPosition;\n  varying vec3 vViewLightPos;\n  varying vec3 vNormal;\n\n  void main() {\n    vUv = uv;\n    vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n    vViewPosition = vViewPosition4.xyz;\n    vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n    vNormal = normalMatrix * normal;\n\n    gl_Position = projectionMatrix * vViewPosition4;\n  }\n`;\n\nexport const SPHERE_SHADER_FRAGMENT = `\n  uniform sampler2D sphereTexture;\n\n  varying vec2 vUv;\n  varying vec3 vNormal;\n  varying vec3 vViewPosition;\n  varying vec3 vViewLightPos;\n\n  void main() {\n    vec3 normal = normalize(vNormal);\n    vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n    float lambertian = max(dot(normal, lightDir), 0.0);\n    gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n  }\n`;\n\nexport const RING_SHADER_VERTEX = `\n  varying vec3 vPos;\n  varying vec3 vWorldPosition;\n  varying vec3 vNormal;\n\n  void main() {\n    vPos = position;\n    vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n    gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n    vNormal = normalMatrix * normal;\n    vWorldPosition = worldPosition.xyz;\n  }\n`;\n\nexport const RING_SHADER_FRAGMENT = `\n  uniform sampler2D ringTexture;\n  uniform float innerRadius;\n  uniform float outerRadius;\n  uniform vec3 lightPos;\n\n  varying vec3 vNormal;\n  varying vec3 vPos;\n  varying vec3 vWorldPosition;\n\n  vec4 color() {\n    vec2 uv = vec2(0);\n    uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n    if (uv.x < 0.0 || uv.x > 1.0) {\n      discard;\n    }\n\n    vec4 pixel = texture2D(ringTexture, uv);\n    return pixel;\n  }\n\n  vec3 shadow() {\n    vec3 lightDir = normalize(vPos - lightPos);\n    vec3 planetPos = vec3(0);\n\n    vec3 ringPos = vPos - planetPos;\n    float posDotLightDir = dot(ringPos, lightDir);\n    float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n    // TODO(ian): Generalize this line.\n    float radius = 0.0389259903; // radius of saturn in coordinate system\n    float radius2 = radius * radius;\n\n    if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n      return vec3(0.0);\n    }\n    return vec3(1.0);\n  }\n\n  vec3 lights() {\n    vec3 lightDirection = normalize(vWorldPosition - lightPos);\n    float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n    return vec3(c);\n  }\n\n  void main() {\n    // NOTE: The order of multiplication matters here. color() may call\n    // discard, which would cause problems on some Windows graphics drivers if\n    // it is a left operand.\n    // https://github.com/typpo/spacekit/issues/22\n    gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n  }\n`;\n", "import * as THREE from 'three';\n\nimport { getThreeJsTexture } from './util';\n\nimport { Coordinate3d } from './Coordinates';\nimport { getOrbitShaderVertex, getOrbitShaderFragment } from './shaders';\nimport { Orbit, OrbitType } from './Orbit';\n\nimport type { Ephem } from './Ephem';\nimport type { Simulation, SimulationContext } from './Simulation';\n\ninterface BaseKeplerParticleOptions {\n  color?: number;\n  textureUrl?: string;\n  basePath?: string;\n  jd?: number;\n  maxNumParticles?: number;\n}\n\n// TODO(ian): Clean this up - we probably don't need a separate type.\ntype KeplerParticlesOptions = BaseKeplerParticleOptions & {\n  defaultSize?: number;\n};\n\ntype KeplerParticleOptions = BaseKeplerParticleOptions & {\n  particleSize?: number;\n};\n\ninterface ShaderAttributes {\n  size: THREE.BufferAttribute;\n  origin: THREE.BufferAttribute;\n  position: THREE.BufferAttribute;\n  fuzzColor: THREE.BufferAttribute;\n  a: THREE.BufferAttribute;\n  e: THREE.BufferAttribute;\n  i: THREE.BufferAttribute;\n  om: THREE.BufferAttribute;\n  ma: THREE.BufferAttribute;\n  n: THREE.BufferAttribute;\n  w: THREE.BufferAttribute;\n  wBar: THREE.BufferAttribute;\n  q: THREE.BufferAttribute;\n  M: THREE.BufferAttribute;\n  a0: THREE.BufferAttribute;\n}\n\nconst DEFAULT_PARTICLE_COUNT = 4096;\n\n/**\n * Compute mean anomaly at date.  Used for elliptical and hyperbolic orbits.\n */\nfunction getM(ephem: Ephem, jd: number): number {\n  const d = jd - ephem.get('epoch');\n  return ephem.get('ma') + ephem.get('n') * d;\n}\n\nconst PARABOLIC_K = 0.01720209895;\nfunction getA0(ephem: Ephem, jd: number): number {\n  const tp = ephem.get('tp');\n  const e = ephem.get('e');\n  const q = ephem.get('q');\n  const d = jd - tp;\n  return 0.75 * d * PARABOLIC_K * Math.sqrt((1 + e) / (q * q * q));\n}\n\n/**\n * An efficient way to render many objects in space with Kepler orbits.\n * Primarily used by Simulation to render all non-static objects.\n * @see Simulation\n */\nexport class KeplerParticles {\n  static instanceCount: number;\n\n  private id: string;\n\n  private options: KeplerParticlesOptions;\n\n  private simulation: Simulation;\n\n  private context: SimulationContext;\n\n  private addedToScene: boolean;\n\n  private particleCount: number;\n\n  private elements: Ephem[];\n\n  private uniforms: {\n    texture: { value: THREE.Texture };\n  };\n\n  private geometry: THREE.BufferGeometry;\n\n  private shaderMaterial: THREE.ShaderMaterial;\n\n  private particleSystem: THREE.Points;\n\n  private attributes: ShaderAttributes;\n\n  /**\n   * @param {Object} options Options container\n   * @param {Object} options.textureUrl Template url for sprite\n   * @param {Object} options.basePath Base path for simulation supporting files\n   * @param {Number} options.jd JD date value\n   * @param {Number} options.maxNumParticles Maximum number of particles to display. Defaults to 4096\n   * @param {Number} options.defaultSize Default size of particles. Note this\n   * can be overriden by SpaceObject particleSize. Defaults to 25\n   * @param {Object} contextOrSimulation Simulation context or object\n   */\n  constructor(\n    options: KeplerParticlesOptions,\n    contextOrSimulation: Simulation,\n  ) {\n    this.options = options;\n\n    this.id = `KeplerParticles__${KeplerParticles.instanceCount}`;\n\n    this.simulation = contextOrSimulation;\n    this.context = contextOrSimulation.getContext();\n\n    // Whether Points object has been added to the Simulation/Scene. This\n    // happens lazily when the first data point is added in order to prevent\n    // WebGL render warnings.\n    this.addedToScene = false;\n\n    // Number of particles in the scene.\n    this.particleCount = 0;\n\n    if (!this.options.textureUrl) {\n      throw new Error('ParticleSystem requires textureUrl to be set');\n    }\n\n    const defaultMapTexture = getThreeJsTexture(\n      this.options.textureUrl,\n      this.context.options.basePath,\n    );\n\n    this.uniforms = {\n      texture: { value: defaultMapTexture },\n    };\n\n    const particleCount =\n      this.options.maxNumParticles || DEFAULT_PARTICLE_COUNT;\n    this.elements = [];\n    this.attributes = {\n      size: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      origin: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3),\n      position: new THREE.BufferAttribute(\n        new Float32Array(particleCount * 3),\n        3,\n      ),\n      fuzzColor: new THREE.BufferAttribute(\n        new Float32Array(particleCount * 3),\n        3,\n      ),\n\n      a: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      e: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      i: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      om: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      ma: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      n: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      w: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      wBar: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      q: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n\n      M: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      a0: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n    };\n    this.attributes.M.setUsage(THREE.DynamicDrawUsage);\n    this.attributes.a0.setUsage(THREE.DynamicDrawUsage);\n\n    const geometry = new THREE.BufferGeometry();\n    geometry.setDrawRange(0, 0);\n    Object.keys(this.attributes).forEach((attributeName) => {\n      const attribute =\n        this.attributes[attributeName as keyof ShaderAttributes];\n      geometry.setAttribute(attributeName, attribute);\n    });\n\n    const shader = new THREE.ShaderMaterial({\n      uniforms: this.uniforms,\n      vertexShader: getOrbitShaderVertex(),\n      fragmentShader: getOrbitShaderFragment(),\n\n      depthTest: true,\n      depthWrite: false,\n      transparent: true,\n    });\n\n    this.shaderMaterial = shader;\n    this.geometry = geometry;\n    this.particleSystem = new THREE.Points(geometry, shader);\n  }\n\n  /**\n   * Add a particle to this particle system.\n   * @param {Ephem} ephem Kepler ephemeris\n   * @param {Object} options Options container\n   * @param {Number} options.particleSize Size of particles\n   * @param {Number} options.color Color of particles\n   * @return {Number} The index of this article in the attribute list.\n   */\n  addParticle(ephem: Ephem, options: KeplerParticleOptions = {}): number {\n    this.elements.push(ephem);\n    const attributes = this.attributes;\n    const offset = this.particleCount++;\n\n    attributes.size.set(\n      [options.particleSize || this.options.defaultSize || 15],\n      offset,\n    );\n    const color = new THREE.Color(options.color || 0xffffff);\n    attributes.fuzzColor.set([color.r, color.g, color.b], offset * 3);\n\n    attributes.origin.set([0, 0, 0], offset * 3);\n\n    attributes.a.set([ephem.get('a')], offset);\n    attributes.e.set([ephem.get('e')], offset);\n    attributes.i.set([ephem.get('i', 'rad')], offset);\n    attributes.om.set([ephem.get('om', 'rad')], offset);\n    attributes.wBar.set([ephem.get('wBar', 'rad')], offset);\n    attributes.q.set([ephem.get('q')], offset);\n\n    if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n      attributes.a0.set([getA0(ephem, this.options.jd || 0)], offset);\n    } else {\n      attributes.M.set([getM(ephem, this.options.jd || 0)], offset);\n    }\n\n    // TODO(ian): Set the update range\n    for (const attributeKey in attributes) {\n      if (attributes.hasOwnProperty(attributeKey)) {\n        attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n      }\n    }\n    this.geometry.setDrawRange(0, this.particleCount);\n\n    if (!this.addedToScene && this.simulation) {\n      // This happens lazily when the first data point is added in order to\n      // prevent WebGL render warnings.\n      this.simulation.addObject(this);\n      this.addedToScene = true;\n    }\n\n    return offset;\n  }\n\n  /**\n   * Hides the particle at the given offset so it is no longer drawn. The particle still takes up space in the array\n   * though.\n   * @param offset\n   */\n  hideParticle(offset: number) {\n    const attributes = this.attributes;\n    attributes.size.set([0], offset);\n\n    for (const attributeKey in attributes) {\n      if (attributes.hasOwnProperty(attributeKey)) {\n        attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n      }\n    }\n  }\n\n  /**\n   * Change the `origin` attribute of a particle.\n   * @param {Number} offset The location of this particle in the attributes * array.\n   * @param {Array.<Number>} newOrigin The new XYZ coordinates of the body that this particle orbits.\n   */\n  setParticleOrigin(offset: number, newOrigin: Coordinate3d) {\n    this.attributes.origin.set(newOrigin, offset * 3);\n    this.attributes.origin.needsUpdate = true;\n  }\n\n  /**\n   * Update the position for all particles\n   * @param {Number} jd JD date\n   */\n  update(jd: number) {\n    const Ms: number[] = [];\n    const a0s: number[] = [];\n    for (let i = 0; i < this.elements.length; i++) {\n      const ephem = this.elements[i];\n\n      let M, a0;\n      if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n        a0 = getA0(ephem, jd);\n        M = 0;\n      } else {\n        a0 = 0;\n        M = getM(ephem, jd);\n      }\n\n      Ms.push(M);\n      a0s.push(a0);\n    }\n\n    this.attributes.M.set(Ms);\n    this.attributes.M.needsUpdate = true;\n\n    this.attributes.a0.set(a0s);\n    this.attributes.a0.needsUpdate = true;\n  }\n\n  /**\n   * Get THREE.js objects that comprise this point cloud\n   * @return {Array.<THREE.Object3D>} List of objects to add to THREE.js scene\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    return [this.particleSystem];\n  }\n\n  /**\n   * Get unique id for this object.\n   * @return {String} Unique id\n   */\n  getId(): string {\n    return this.id;\n  }\n}\n\nKeplerParticles.instanceCount = 0;\n", "import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n//\n\nclass OBJLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.materials = null;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet line = '', lineFirstChar = '';\n\t\tlet lineLength = 0;\n\t\tlet result = [];\n\n\t\t// Faster to just trim left side of the line. Use if available.\n\t\tconst trimLeft = ( typeof ''.trimLeft === 'function' );\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tline = lines[ i ];\n\n\t\t\tline = trimLeft ? line.trimLeft() : line.trim();\n\n\t\t\tlineLength = line.length;\n\n\t\t\tif ( lineLength === 0 ) continue;\n\n\t\t\tlineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue;\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( /\\s+/ );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\tstate.colors.push(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] )\n\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( /\\s+/ );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].substr( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].substr( 1 ).trim() ).substr( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t * or\n\t\t\t\t\t * http://www.cs.utah.edu/~boulos/cs3505/obj_spec.pdf\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n", "import * as THREE from 'three';\n\nimport type { PerspectiveCamera } from 'three';\n\nimport { EphemPresets } from './EphemPresets';\nimport { Orbit } from './Orbit';\nimport { getFullTextureUrl } from './util';\nimport { rescaleArray, rescaleNumber } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Ephem } from './Ephem';\nimport type { EphemerisTable } from './EphemerisTable';\nimport type {\n  Simulation,\n  SimulationContext,\n  SimulationObject,\n} from './Simulation';\n\nexport interface SpaceObjectOptions {\n  position?: Coordinate3d;\n  scale?: [number, number, number];\n  particleSize?: number;\n  labelText?: string;\n  labelUrl?: string;\n  hideOrbit?: boolean;\n  axialTilt?: number;\n  color?: number;\n  radius?: number;\n  levelsOfDetail?: { radii: number; segments: number }[];\n  atmosphere?: {\n    color?: number;\n    innerSizeRatio?: number;\n    outerSizeRatio?: number;\n    enable?: boolean;\n  };\n  orbitPathSettings?: {\n    leadDurationYears?: number;\n    trailDurationYears?: number;\n    numberSamplePoints?: number;\n  };\n  ephem?: Ephem;\n  ephemTable?: EphemerisTable;\n  textureUrl?: string;\n  basePath?: string;\n  rotation?: {\n    enable: boolean;\n    period: number;\n    speed?: number;\n    lambdaDeg?: number;\n    betaDeg?: number;\n    yorp?: number;\n    phi0?: number;\n    jd0?: number;\n  };\n  shape?: {\n    shapeUrl?: string;\n    color?: number;\n  };\n  ecliptic?: {\n    lineColor?: number;\n    displayLines?: boolean;\n  };\n  theme?: {\n    color?: number;\n    orbitColor?: number;\n  };\n  debug?: {\n    showAxes: boolean;\n    showGrid: boolean;\n  };\n}\n\n/**\n * @private\n * Minimum number of degrees per day an object must move in order for its\n * position to be updated in the visualization.\n */\n// const MIN_DEG_MOVE_PER_DAY: number = 0.05;\n\n/**\n * @private\n * Number of milliseconds between label position updates.\n */\nconst LABEL_UPDATE_MS: number = 30;\n\n/**\n * @private\n * Converts [X, Y, Z] position in visualization to pixel coordinates.\n */\nfunction toScreenXY(\n  position: Coordinate3d,\n  camera: PerspectiveCamera,\n  canvas: HTMLCanvasElement,\n): { x: number; y: number } {\n  const pos = new THREE.Vector3(position[0], position[1], position[2]);\n  pos.project(camera);\n  return {\n    x: ((pos.x + 1) * canvas.clientWidth) / 2,\n    y: ((-pos.y + 1) * canvas.clientHeight) / 2,\n  };\n}\n\n/**\n * An object that can be added to a visualization.\n * @example\n * ```\n * const myObject = viz.addObject('planet1', {\n *   position: [0, 0, 0],\n *   scale: [1, 1, 1],\n *   particleSize: 5,\n *   labelText: 'My object',\n *   labelUrl: 'http://...',\n *   hideOrbit: false,\n *   ephem: new Spacekit.Ephem({...}),\n *   textureUrl: '/path/to/spriteTexture.png',\n *   basePath: '/base',\n *   ecliptic: {\n *     lineColor: 0xCCCCCC,\n *     displayLines: false,\n *   },\n *   theme: {\n *     color: 0xFFFFFF,\n *     orbitColor: 0x888888,\n *   },\n * });\n * ```\n */\nexport class SpaceObject implements SimulationObject {\n  protected _id: string;\n\n  protected _options: SpaceObjectOptions;\n\n  protected _simulation: Simulation;\n\n  protected _context: SimulationContext;\n\n  protected _renderMethod?:\n    | 'SPRITE'\n    | 'PARTICLESYSTEM'\n    | 'ROTATING_OBJECT'\n    | 'SPHERE';\n\n  protected _initialized: boolean;\n\n  private _object3js?: THREE.Object3D;\n\n  private _useEphemTable: boolean;\n\n  private _isStaticObject: boolean;\n\n  private _label?: HTMLElement;\n\n  private _showLabel: boolean;\n\n  private _lastLabelUpdate: number;\n\n  // private _lastPositionUpdate: number;\n\n  private _position: Coordinate3d;\n\n  private _orbitAround?: SpaceObject;\n\n  private _scale: [number, number, number];\n\n  private _particleIndex?: number;\n\n  // private _degreesPerDay?: number;\n\n  private _orbitPath?: THREE.Object3D;\n\n  private _eclipticLines?: THREE.Object3D;\n\n  private _orbit?: Orbit;\n\n  /**\n   * @param {String} id Unique id of this object\n   * @param {Object} options Options container\n   * @param {Array.<Number>} options.position [X, Y, Z] heliocentric coordinates of object. Defaults to [0, 0, 0]\n   * @param {Array.<Number>} options.scale Scale of object on each [X, Y, Z] axis. Defaults to [1, 1, 1]\n   * @param {Number} options.particleSize Size of particle if this object is a Kepler object being represented as a particle.\n   * @param {String} options.labelText Text label to display above object (set undefined for no label)\n   * @param {String} options.labelUrl Label becomes a link that goes to this url.\n   * @param {boolean} options.hideOrbit If true, don't show an orbital ellipse. Defaults false.\n   * @param {Object} options.orbitPathSettings Contains settings for defining the orbit path\n   * @param {Object} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n   * @param {Object} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n   * @param {Object} options.orbitPathSettings.numberSamplePoints number of\n   * points to use when drawing the orbit line. Only applicable for\n   * non-elliptical and ephemeris table orbits.\n   * @param {Ephem} options.ephem Ephemerides for this orbit\n   * @param {EphemerisTable} options.ephemTable ephemeris table object which represents look up ephemeris\n   * @param {String} options.textureUrl Texture for sprite\n   * @param {String} options.basePath Base path for simulation assets and data\n   * @param {Object} options.ecliptic Contains settings related to ecliptic\n   * @param {Number} options.ecliptic.lineColor Hex color of lines that run perpendicular to ecliptic. @see Orbit\n   * @param {boolean} options.ecliptic.displayLines Whether to show ecliptic lines. Defaults false.\n   * @param {Object} options.theme Contains settings related to appearance of orbit\n   * @param {Number} options.theme.color Hex color of the object, if applicable\n   * @param {Number} options.theme.orbitColor Hex color of the orbit\n   * @param {Simulation} contextOrSimulation Simulation context or simulation object\n   * @param {boolean} autoInit Automatically initialize this object. If false\n   * you must call init() manually.\n   */\n  constructor(\n    id: string,\n    options: SpaceObjectOptions,\n    simulation: Simulation,\n    autoInit: boolean = true,\n  ) {\n    this._id = id;\n    this._options = options || {};\n    this._object3js = undefined;\n    this._useEphemTable = this._options.ephemTable !== undefined;\n    this._isStaticObject = !this._options.ephem && !this._useEphemTable;\n\n    this._simulation = simulation;\n    this._context = simulation.getContext();\n\n    this._label = undefined;\n    this._showLabel = false;\n    this._lastLabelUpdate = 0;\n    // this._lastPositionUpdate = 0;\n\n    this._position = rescaleArray(this._options.position || [0, 0, 0]);\n    this._orbitAround = undefined;\n    this._scale = this._options.scale || [1, 1, 1];\n\n    // The method of rendering used for this object (e.g. SPRITE, PARTICLESYSTEM).\n    this._renderMethod = undefined;\n\n    // The index of this particle in the KeplerParticles system, if applicable.\n    this._particleIndex = undefined;\n\n    // Number of degrees moved per day. Used to limit the number of orbit\n    // updates for very slow moving objects.\n    /*\n    this._degreesPerDay = this._options.ephem\n      ? this._options.ephem.get('n', 'deg')\n      : undefined;\n    */\n\n    this._initialized = false;\n    if (autoInit && !this.init()) {\n      console.warn(`SpaceObject ${id}: failed to initialize`);\n    }\n  }\n\n  /**\n   * Initializes label and three.js objects. Called automatically unless you've\n   * set autoInit to false in constructor (this init is suppressed by some\n   * child classes).\n   */\n  init(): boolean {\n    this.renderObject();\n\n    if (this._options.labelText) {\n      const labelElt = this.createLabel();\n      this._simulation.getSimulationElement().appendChild(labelElt);\n      this._label = labelElt;\n      this._showLabel = true;\n    }\n\n    /**\n     * Caching of THREE.js objects for orbitPath\n     */\n    this._orbitPath = undefined;\n    this._eclipticLines = undefined;\n\n    this.update(this._simulation.getJd(), true /* force */);\n\n    this._initialized = true;\n    return true;\n  }\n\n  /**\n   * @protected\n   * Used by child classes to set the object that gets its position updated.\n   * @param {THREE.Object3D} obj Any THREE.js object\n   */\n  protected setPositionedObject(obj: THREE.Object3D) {\n    this._object3js = obj;\n  }\n\n  /**\n   * @private\n   * Build the THREE.js object for this SpaceObject.\n   */\n  private renderObject() {\n    if (this.isStaticObject()) {\n      if (!this._renderMethod) {\n        // TODO(ian): It kinda sucks to have SpaceObject care about\n        // renderMethod, which is set by children.\n\n        // Create a stationary sprite.\n        this._object3js = this.createSprite();\n        if (this._simulation) {\n          // Add it all to visualization.\n          this._simulation.addObject(this, false /* noUpdate */);\n        }\n        this._renderMethod = 'SPRITE';\n      }\n    } else {\n      // Create the orbit no matter what - it's used to get current position\n      // for CPU-positioned objects (e.g. child RotatingObjects, SphereObjects,\n      // ShapeObjects).\n      // TODO(ian): Only do this if we need to compute orbit position on the\n      // CPU or display an orbit path.\n      this._orbit = this.createOrbit();\n\n      if (!this._options.hideOrbit && this._simulation) {\n        // Add it all to visualization.\n        this._simulation.addObject(this, false /* noUpdate */);\n      }\n\n      if (this._useEphemTable) {\n        if (!this._renderMethod) {\n          this._object3js = this.createSprite();\n          if (this._simulation) {\n            this._simulation.addObject(this, true);\n          }\n          this._renderMethod = 'SPRITE';\n        }\n      }\n\n      if (!this._renderMethod) {\n        if (!this._options.ephem) {\n          throw new Error(\n            'Attempting to create a particle system, but ephemeris are not available.',\n          );\n        }\n        // Create a particle representing this object on the GPU.\n        this._particleIndex = this._context.objects.particles.addParticle(\n          this._options.ephem,\n          {\n            particleSize: this._options.particleSize,\n            color: this.getColor(),\n          },\n        );\n        this._renderMethod = 'PARTICLESYSTEM';\n      }\n    }\n  }\n\n  /**\n   * @private\n   * Builds the label div and adds it to the visualization\n   * @return {HTMLElement} A div that contains the label for this object\n   */\n  private createLabel(): HTMLElement {\n    const text = document.createElement('div');\n    text.className = 'spacekit__object-label';\n\n    const { labelText, labelUrl } = this._options;\n    if (this._options.labelUrl) {\n      text.innerHTML = `<div><a target=\"_blank\" href=\"${labelUrl}\">${labelText}</a></div>`;\n    } else {\n      text.innerHTML = `<div>${labelText}</div>`;\n    }\n    text.style.fontFamily = 'Arial';\n    text.style.fontSize = '12px';\n    text.style.color = '#fff';\n    text.style.position = 'absolute';\n\n    text.style.backgroundColor = '#0009';\n    text.style.outline = '1px solid #5f5f5f';\n\n    return text;\n  }\n\n  /**\n   * @private\n   * Updates the label's position\n   * @param {Array.Number} newpos Position of the label in the visualization's\n   * coordinate system\n   */\n  private updateLabelPosition(newpos: Coordinate3d) {\n    if (!this._label) {\n      throw new Error('Attempted to update label position without a label');\n    }\n\n    const label = this._label;\n    const simulationElt = this._simulation.getSimulationElement();\n    const pos = toScreenXY(\n      newpos,\n      this._simulation.getViewer().get3jsCamera(),\n      simulationElt,\n    );\n    const loc = {\n      left: pos.x,\n      top: pos.y,\n      right: pos.x + label.clientWidth,\n      bottom: pos.y + label.clientHeight,\n    };\n    if (\n      loc.left - 30 > 0 &&\n      loc.right + 20 < simulationElt.clientWidth &&\n      loc.top - 25 > 0 &&\n      loc.bottom < simulationElt.clientHeight\n    ) {\n      label.style.left = `${loc.left - label.clientWidth / 2}px`;\n      label.style.top = `${loc.top - label.clientHeight - 8}px`;\n      label.style.visibility = 'visible';\n    } else {\n      label.style.visibility = 'hidden';\n    }\n  }\n\n  /**\n   * @private\n   * Builds the sprite for this object\n   * @return {THREE.Sprite} A sprite object\n   */\n  private createSprite(): THREE.Sprite {\n    if (!this._options.textureUrl) {\n      throw new Error('Cannot create sprite without a textureUrl');\n    }\n    const fullTextureUrl = getFullTextureUrl(\n      this._options.textureUrl,\n      this._context.options.basePath,\n    );\n    const texture = new THREE.TextureLoader().load(fullTextureUrl);\n    texture.encoding = THREE.LinearEncoding;\n    const sprite = new THREE.Sprite(\n      new THREE.SpriteMaterial({\n        map: texture,\n        blending: THREE.AdditiveBlending,\n        depthWrite: false,\n        color: this._options.theme ? this._options.theme.color : 0xffffff,\n      }),\n    );\n    const scale = rescaleArray(this._scale);\n    sprite.scale.set(scale[0], scale[1], scale[2]);\n    const position = this.getPosition(this._simulation.getJd());\n    sprite.position.set(position[0], position[1], position[2]);\n\n    if (this.isStaticObject()) {\n      sprite.updateMatrix();\n      sprite.matrixAutoUpdate = false;\n    }\n\n    return sprite;\n  }\n\n  /**\n   * @private\n   * Builds the {Orbit} for this object\n   * @return {Orbit} An orbit object\n   */\n  private createOrbit(): Orbit {\n    if (this._orbit) {\n      return this._orbit;\n    }\n\n    const ephem = this._useEphemTable\n      ? this._options.ephemTable\n      : this._options.ephem;\n    if (!ephem) {\n      throw new Error('Cannot create orbit without Ephem or EphemerisTable');\n    }\n    return new Orbit(ephem, {\n      orbitPathSettings: this._options.orbitPathSettings,\n      color: this._options.theme ? this._options.theme.orbitColor : undefined,\n      eclipticLineColor: this._options.ecliptic\n        ? this._options.ecliptic.lineColor\n        : undefined,\n    });\n  }\n\n  /**\n   * @private\n   * Determines whether to update the position of an update. Don't update if JD\n   * threshold is less than a certain amount.\n   * @param {Number} afterJd Next JD\n   * @return {boolean} Whether to update\n   */\n  private shouldUpdateObjectPosition(afterJd: number): boolean {\n    // TODO(ian): Reenable this as a function of zoom level, because as you get\n    // closer the chopiness gets more noticeable.\n    return true;\n    /*\n    if (!this._degreesPerDay || !this._lastPositionUpdate) {\n      return true;\n    }\n    const degMove = this._degreesPerDay * (afterJd - this._lastPositionUpdate);\n    if (degMove < MIN_DEG_MOVE_PER_DAY) {\n      return false;\n    }\n    return true;\n    */\n  }\n\n  /**\n   * Make this object orbit another orbit.\n   * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit.\n   */\n  orbitAround(spaceObj: SpaceObject) {\n    this._orbitAround = spaceObj;\n  }\n\n  /**\n   * Updates the position of this object. Applicable only if this object is a\n   * sprite and not a particle type.\n   * @param {Number} x X position\n   * @param {Number} y Y position\n   * @param {Number} z Z position\n   */\n  setPosition(x: number, y: number, z: number) {\n    this._position[0] = rescaleNumber(x);\n    this._position[1] = rescaleNumber(y);\n    this._position[2] = rescaleNumber(z);\n  }\n\n  /**\n   * Gets the visualization coordinates of this object at a given time.\n   * @param {Number} jd JD date\n   * @return {Array.<Number>} [X, Y,Z] coordinates\n   */\n  getPosition(jd: number): Coordinate3d {\n    const pos = this._position;\n    if (!this._orbit) {\n      // Default implementation, a static object.\n      return pos;\n    }\n\n    const posModified = this._orbit.getPositionAtTime(jd);\n    if (this._orbitAround) {\n      const parentPos = this._orbitAround.getPosition(jd);\n      return [\n        pos[0] + posModified[0] + parentPos[0],\n        pos[1] + posModified[1] + parentPos[1],\n        pos[2] + posModified[2] + parentPos[2],\n      ];\n    }\n    return [\n      pos[0] + posModified[0],\n      pos[1] + posModified[1],\n      pos[2] + posModified[2],\n    ];\n  }\n\n  /**\n   * Updates the object and its label positions for a given time.\n   * @param {Number} jd JD date\n   * @param {boolean} force Whether to force an update regardless of checks for\n   * movement.\n   */\n  update(jd: number, force: boolean = false) {\n    let newpos;\n    if (this._label) {\n      // Labels must update, even for static objects.\n      // TODO(ian): Determine this based on orbit and camera position change.\n      const meetsLabelUpdateThreshold =\n        +new Date() - this._lastLabelUpdate > LABEL_UPDATE_MS;\n      const shouldUpdateLabelPos =\n        force || (this._showLabel && meetsLabelUpdateThreshold);\n      if (shouldUpdateLabelPos) {\n        if (!newpos) {\n          newpos = this.getPosition(jd);\n        }\n        this.updateLabelPosition(newpos);\n        this._lastLabelUpdate = +new Date();\n      }\n    }\n\n    if (this.isStaticObject() && !force) {\n      return;\n    }\n\n    let shouldUpdateObjectPosition = false;\n    if (this._object3js || this._label) {\n      shouldUpdateObjectPosition = force || this.shouldUpdateObjectPosition(jd);\n    }\n    if (this._object3js && shouldUpdateObjectPosition) {\n      newpos = this.getPosition(jd);\n      this._object3js.position.set(newpos[0], newpos[1], newpos[2]);\n      // this._lastPositionUpdate = jd;\n    }\n\n    const orbitNeedsRefreshing =\n      !this._orbitPath || this._orbit?.needsUpdateForTime(jd);\n    if (this._orbit && !this._options.hideOrbit && orbitNeedsRefreshing) {\n      if (this._orbitPath) {\n        this._simulation.getScene().remove(this._orbitPath);\n      }\n      this._orbitPath = this._orbit.getOrbitShape(jd, true);\n      this._simulation.getScene().add(this._orbitPath);\n    }\n\n    const eclipticNeedsRefreshing =\n      !this._eclipticLines || orbitNeedsRefreshing;\n    if (\n      this._orbit &&\n      this._options.ecliptic &&\n      this._options.ecliptic.displayLines &&\n      eclipticNeedsRefreshing\n    ) {\n      if (this._eclipticLines) {\n        this._simulation.getScene().remove(this._eclipticLines);\n      }\n      this._eclipticLines = this._orbit.getLinesToEcliptic();\n      this._simulation.getScene().add(this._eclipticLines);\n    }\n\n    if (this._orbitAround) {\n      const parentPos = this._orbitAround.getPosition(jd);\n      if (this._renderMethod === 'PARTICLESYSTEM') {\n        // TODO(ian): Only do this when the origin changes\n        this._context.objects.particles?.setParticleOrigin(\n          this._particleIndex!,\n          parentPos,\n        );\n      }\n\n      if (!this._options.hideOrbit) {\n        this._orbitPath?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n      }\n      if (!newpos) {\n        newpos = this.getPosition(jd);\n      }\n    }\n  }\n\n  /**\n   * Gets the THREE.js objects that represent this SpaceObject.  The first\n   * object returned is the primary object.  Other objects may be returned,\n   * such as rings, ellipses, etc.\n   * @return {Array.<THREE.Object3D>} A list of THREE.js objects\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    const ret = [];\n    if (this._object3js) {\n      ret.push(this._object3js);\n    }\n    if (this._orbit) {\n      if (this._orbitPath) {\n        ret.push(this._orbitPath);\n      }\n\n      if (this._eclipticLines) {\n        ret.push(this._eclipticLines);\n      }\n    }\n    return ret;\n  }\n\n  /**\n   * Specifies the object that is used to compute the bounding box. By default,\n   * this will be the first THREE.js object in this class's list of objects.\n   * @return {THREE.Object3D} THREE.js object\n   */\n  async getBoundingObject(): Promise<THREE.Object3D> {\n    return Promise.resolve(this.get3jsObjects()[0]);\n  }\n\n  /**\n   * Gets the color of this object. Usually this corresponds to the color of\n   * the dot representing the object as well as its orbit.\n   * @return {Number} A hexidecimal color value, e.g. 0xFFFFFF\n   */\n  getColor(): number {\n    if (this._options.theme) {\n      return this._options.theme.color || 0xffffff;\n    }\n    return 0xffffff;\n  }\n\n  /**\n   * Gets the {Orbit} object for this SpaceObject.\n   * @return {Orbit} Orbit object\n   */\n  getOrbit(): Orbit | undefined {\n    return this._orbit;\n  }\n\n  /**\n   * Gets label visilibity status.\n   * @return {boolean} Whether label is visible.\n   */\n  getLabelVisibility(): boolean {\n    return this._showLabel;\n  }\n\n  /**\n   * Toggle the visilibity of the label.\n   * @param {boolean} val Whether to show or hide.\n   */\n  setLabelVisibility(val: boolean) {\n    if (!this._label) {\n      throw new Error('Attempted to set label visibility without a label');\n    }\n\n    if (val) {\n      this._showLabel = true;\n      this._label.style.display = 'block';\n    } else {\n      this._showLabel = false;\n      this._label.style.display = 'none';\n    }\n  }\n\n  /**\n   * Gets the unique ID of this object.\n   * @return {String} Unique ID\n   */\n  getId(): string {\n    return this._id;\n  }\n\n  /**\n   * Determines whether object is static (can't change its position) or whether\n   * its position can be updated (ie, it has ephemeris)\n   * @return {boolean} Whether this object can change its position.\n   */\n  isStaticObject(): boolean {\n    return this._isStaticObject;\n  }\n\n  /**\n   * Determines whether object is ready to be measured or added to scene.\n   * @return {boolean} True if ready\n   */\n  isReady(): boolean {\n    return this._initialized;\n  }\n\n  removalCleanup() {\n    if (this._label) {\n      this._simulation.getSimulationElement().removeChild(this._label);\n      this._label = undefined;\n    }\n\n    if (this._particleIndex !== undefined) {\n      this._context?.objects.particles.hideParticle(this._particleIndex);\n    }\n  }\n}\n\nconst DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png';\n\n/**\n * Useful presets for creating SpaceObjects.\n * @example\n * ```\n * const myobject = viz.addObject('planet1', Spacekit.SpaceObjectPresets.MERCURY);\n * ```\n */\nexport const SpaceObjectPresets = {\n  SUN: {\n    textureUrl: '{{assets}}/sprites/lensflare0.png',\n    position: [0, 0, 0],\n  },\n  MERCURY: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x913cee,\n    },\n    ephem: EphemPresets.MERCURY,\n  },\n  VENUS: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xff7733,\n    },\n    ephem: EphemPresets.VENUS,\n  },\n  EARTH: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x009acd,\n    },\n    ephem: EphemPresets.EARTH,\n  },\n  MOON: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xffd700,\n    },\n    ephem: EphemPresets.MOON,\n\n    // Special params\n    particleSize: 6,\n  },\n  MARS: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xa63a3a,\n    },\n    ephem: EphemPresets.MARS,\n  },\n  JUPITER: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xffb90f,\n    },\n    ephem: EphemPresets.JUPITER,\n  },\n  SATURN: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x336633,\n    },\n    ephem: EphemPresets.SATURN,\n  },\n  URANUS: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x0099ff,\n    },\n    ephem: EphemPresets.URANUS,\n  },\n  NEPTUNE: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x3333ff,\n    },\n    ephem: EphemPresets.NEPTUNE,\n  },\n  PLUTO: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xccc0b0,\n    },\n    ephem: EphemPresets.PLUTO,\n  },\n};\n", "import * as THREE from 'three';\n\nimport Units from './Units';\nimport { SpaceObject } from './SpaceObject';\nimport { rescaleVector } from './Scale';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nfunction getAxis(src: THREE.Vector3, dst: THREE.Vector3, color: number) {\n  const mat = new THREE.LineBasicMaterial({ linewidth: 3, color });\n  const geom = new THREE.BufferGeometry().setFromPoints([\n    rescaleVector(src).clone(),\n    rescaleVector(dst).clone(),\n  ]);\n\n  const axis = new THREE.Line(geom, mat);\n  axis.computeLineDistances();\n  return axis;\n}\n\nfunction getAxes() {\n  return [\n    getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(3, 0, 0), 0xff0000),\n    getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 3, 0), 0x00ff00),\n    getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 0, 3), 0x0000ff),\n  ];\n}\n\n/**\n * This class simulates an object that spins according to provided rotational\n * parameters.\n */\nexport class RotatingObject extends SpaceObject {\n  protected _obj: THREE.Object3D;\n\n  protected _materials: THREE.Material[];\n\n  private _objectIsRotatable: boolean;\n\n  // private _axisRotationAngleOffset: number;\n\n  private _axisOfRotation?: THREE.Vector3;\n\n  /*\n   * FIXME(ian): This implementation is still WIP! Rotational parameters are not\n   * used right now.\n   * @param {boolean} options.rotation.enable Rotate the object\n   * @param {Number} options.rotation.speed Factor that determines speed of rotation\n   * @param {Number} options.rotation.lambdaDeg Ecliptic longitude lambda, in degrees\n   * @param {Number} options.rotation.betaDeg Ecliptic longitude beta, in degrees\n   * @param {Number} options.rotation.period Rotational period, in JD\n   * @param {Number} options.rotation.yorp YORP coefficient, if any (defaults to 0)\n   * @param {Number} options.rotation.phi0 Initial rotation phi, in degrees (defaults to 0)\n   * @param {Number} options.rotation.jd0 JD epoch of rotational parameters\n   * @see SpaceObject\n   */\n  constructor(\n    id: string,\n    options: SpaceObjectOptions,\n    simulation: Simulation,\n    autoInit: boolean = true,\n  ) {\n    super(id, options, simulation, false /* autoInit */);\n\n    // The THREE.js object\n    this._obj = new THREE.Object3D();\n    this._renderMethod = 'ROTATING_OBJECT';\n    super.setPositionedObject(this._obj);\n\n    this._objectIsRotatable = false;\n    if (this._options.rotation) {\n      this._objectIsRotatable = true;\n    }\n\n    // Offset of axis angle\n    // this._axisRotationAngleOffset = 0;\n    this._axisOfRotation = undefined;\n\n    // Keep track of materials that comprise this object.\n    this._materials = [];\n\n    if (autoInit) {\n      this.init();\n    }\n  }\n\n  override init(): boolean {\n    if (this._objectIsRotatable) {\n      this.initRotation();\n    }\n\n    if (this._options.debug) {\n      if (this._options.debug.showAxes) {\n        getAxes().forEach((axis) => this._obj.add(axis));\n      }\n\n      if (this._options.debug.showGrid) {\n        const gridHelper = new THREE.GridHelper(3, 3, 0xff0000, 0xffeeee);\n        gridHelper.geometry.rotateX(Math.PI / 2);\n        this._obj.add(gridHelper);\n      }\n    }\n\n    return super.init();\n  }\n\n  initRotation() {\n    if (!this._options.rotation) {\n      throw new Error(\n        'Must specify `rotation` option when creating a RotatingObject',\n      );\n    }\n\n    const { rotation } = this._options;\n    if (typeof rotation.jd0 === 'undefined') {\n      return;\n    }\n\n    // Formula\n    // https://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_description\n\n    // Testing this asteroid:\n    // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1504\n    // Model 2691\n    const { PI } = Math;\n\n    // Cacus\n    // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1046\n    // http://astro.troja.mff.cuni.cz/projects/asteroids3D/php.php?script=db_sky_projection&model_id=1863&jd=2443568.0\n\n    // Latitude\n    const lambda = Units.rad(rotation.lambdaDeg || 0);\n\n    // Longitude\n    const beta = Units.rad(rotation.betaDeg || 0);\n\n    // Other\n    const P = rotation.period;\n    const YORP = rotation.yorp || 0;\n    const phi0 = Units.rad(rotation.phi0 || 0);\n    const JD = this._simulation.getJd();\n    const JD0 = rotation.jd0;\n\n    // Asteroid rotation\n    // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), lambda);\n    // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 1, 0), beta);\n\n    // Adjust Z axis according to time.\n    const zAdjust =\n      phi0 +\n      ((2 * PI) / P) * (JD - JD0) +\n      (1 / 2) * YORP * Math.pow(JD - JD0, 2);\n    this._obj.rotateY(-(PI / 2 - beta));\n    this._obj.rotateZ(-lambda);\n    this._obj.rotateZ(zAdjust);\n  }\n\n  /**\n   * Updates the object and its label positions for a given time.\n   * @param {Number} jd JD date\n   */\n  override update(jd: number, force: boolean = false) {\n    if (\n      this._obj &&\n      this._objectIsRotatable &&\n      this._options.rotation &&\n      this._options.rotation.enable\n    ) {\n      // For now, just rotate on X axis.\n      const speed = this._options.rotation.speed || 0.5;\n      this._obj.rotation.z += speed * (Math.PI / 180);\n      this._obj.rotation.z %= 360;\n    }\n    if (this._axisOfRotation) {\n      // this._obj.rotateOnAxis(this._axisOfRotation, 0.01);\n    }\n    // this._obj.rotateZ(0.015)\n    // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), 0.01);\n\n    // Update position\n    super.update(jd, force);\n  }\n\n  /**\n   * Gets the THREE.js objects that represent this SpaceObject.\n   * @return {Array.<THREE.Object>} A list of THREE.js objects\n   */\n  override get3jsObjects(): THREE.Object3D[] {\n    const ret = super.get3jsObjects();\n    // Add to the front, because this is the primary object.\n    ret.unshift(this._obj);\n    return ret;\n  }\n\n  /**\n   * Begin rotating this object.\n   */\n  startRotation() {\n    if (!this._options.rotation) {\n      throw new Error(\n        'Must specify `rotation` option when creating a RotatingObject',\n      );\n    }\n    this._options.rotation.enable = true;\n  }\n\n  /**\n   * Stop rotation of this object.\n   */\n  stopRotation() {\n    if (!this._options.rotation) {\n      throw new Error(\n        'Must specify `rotation` option when creating a RotatingObject',\n      );\n    }\n    this._options.rotation.enable = false;\n  }\n}\n", "import * as THREE from 'three';\nimport { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader';\n\nimport { RotatingObject } from './RotatingObject';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nexport class ShapeObject extends RotatingObject {\n  private shapeObj: THREE.Object3D | undefined;\n\n  private loadingPromise: Promise<THREE.Object3D>;\n\n  /**\n   * @param {Object} options.shape Shape specification\n   * @param {String} options.shape.type Type of object (\"custom\" or \"sphere\")\n   * @param {String} options.shape.shapeUrl Path to shapefile if type is \"custom\"\n   * @param {Number} options.shape.textureUrl Optional texture map for shape\n   * @param {Number} options.shape.color Color of shape materials. Default 0xcccccc\n   * @param {Number} options.shape.radius Radius, if applicable. Defaults to 1\n   * @param {Object} options.shape.debug Debug options\n   * @param {boolean} options.shape.debug.showAxes Show axes\n   * rotation speed. Default 0.5\n   * @see SpaceObject\n   * @see RotatingObject\n   */\n  constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n    super(id, options, simulation, false /* autoInit */);\n    if (!options.shape) {\n      throw new Error('ShapeObject requires an options.shape object');\n    }\n    if (!options.shape?.shapeUrl) {\n      throw new Error(\n        'Must specify shape.shapeUrl when creating a ShapeObject',\n      );\n    }\n\n    this.shapeObj = undefined;\n\n    const manager = new THREE.LoadingManager();\n    manager.onProgress = (item: string, loaded: number, total: number) => {\n      console.info(this._id, item, 'loading progress:', loaded, '/', total);\n    };\n    this.loadingPromise = new Promise<THREE.Object3D>((resolve) => {\n      const loader = new OBJLoader(manager);\n      // TODO(ian): Make shapeurl follow assetpath logic.\n      loader.load(options.shape!.shapeUrl!, (object) => {\n        object.traverse((child) => {\n          if (child instanceof THREE.Mesh) {\n            const material = new THREE.MeshStandardMaterial({\n              color: this._options.shape!.color || 0xcccccc,\n            });\n            child.material = material;\n            child.geometry.scale(0.05, 0.05, 0.05);\n            /*\n            child.geometry.computeFaceNormals();\n            child.geometry.computeVertexNormals();\n            child.geometry.computeBoundingBox();\n           */\n            this._materials.push(material);\n          }\n        });\n\n        this.shapeObj = object;\n        this._obj.add(object);\n\n        if (this._simulation) {\n          // Add it all to visualization.\n          this._simulation.addObject(this, false /* noUpdate */);\n        }\n\n        this._initialized = true;\n        resolve(this.shapeObj);\n      });\n    });\n\n    // TODO(ian): Create an orbit if applicable\n    super.init();\n  }\n\n  /**\n   * Specifies the object that is used to compute the bounding box.\n   * @return {THREE.Object3D} THREE.js object\n   */\n  override async getBoundingObject(): Promise<THREE.Object3D> {\n    return this.loadingPromise;\n  }\n}\n", "import * as THREE from 'three';\n\nimport type {\n  Simulation,\n  SimulationContext,\n  SimulationObject,\n} from './Simulation';\nimport { getFullTextureUrl } from './util';\n\ninterface SkyboxOptions {\n  textureUrl: string;\n  basePath: string;\n}\n\n/**\n * A class that adds a skybox (technically a skysphere) to a visualization.\n */\nexport class Skybox implements SimulationObject {\n  private simulation: Simulation;\n\n  private context: SimulationContext;\n\n  private id: string;\n\n  private options: SkyboxOptions;\n\n  private mesh?: THREE.Mesh;\n\n  /**\n   * @param {Object} options Options\n   * @param {String} options.textureUrl Texture to use\n   * @param {String} options.basePath Base path to simulation supporting files\n   * @param {Simulation} simulation Simulation object\n   */\n  constructor(options: SkyboxOptions, simulation: Simulation) {\n    // TODO(ian): Support for actual box instead of sphere...\n    this.options = options;\n    this.id = `__skybox_${new Date().getTime()}`;\n\n    // User passed in Simulation\n    this.simulation = simulation;\n    this.context = simulation.getContext();\n\n    this.mesh = undefined;\n\n    this.init();\n  }\n\n  /**\n   * @private\n   */\n  private init() {\n    const geometry = new THREE.SphereBufferGeometry(1e10, 32, 32);\n\n    const fullTextureUrl = getFullTextureUrl(\n      this.options.textureUrl,\n      this.context.options.basePath,\n    );\n    const texture = new THREE.TextureLoader().load(fullTextureUrl);\n\n    const material = new THREE.MeshBasicMaterial({\n      map: texture,\n      side: THREE.BackSide,\n    });\n\n    const sky = new THREE.Mesh(geometry, material);\n\n    // See this thread on orientation of milky way:\n    // https://www.physicsforums.com/threads/orientation-of-the-earth-sun-and-solar-system-in-the-milky-way.888643/\n    sky.rotation.x = 0;\n    sky.rotation.y = (-1 / 12) * Math.PI;\n    sky.rotation.z = (8 / 5) * Math.PI;\n\n    // We're on the inside of the skybox, so invert it to correct it.\n    sky.scale.set(-1, 1, 1);\n\n    this.mesh = sky;\n\n    if (this.simulation) {\n      this.simulation.addObject(this, true /* noUpdate */);\n    }\n  }\n\n  /**\n   * A list of THREE.js objects that are used to compose the skybox.\n   * @return {THREE.Object3D[]} Skybox mesh\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    if (this.mesh) {\n      return [this.mesh];\n    }\n    return [];\n  }\n\n  /**\n   * Get the unique ID of this object.\n   * @return {String} id\n   */\n  getId(): string {\n    return this.id;\n  }\n\n  update() {\n    // Skyboxes don't update\n  }\n}\n\n/**\n * Preset skybox objects that you can use to add a skybox to your\n * visualization.\n * @example\n * ```\n * const skybox = viz.createSkybox(Spacekit.SkyboxPresets.NASA_TYCHO);\n * ```\n */\nexport const SkyboxPresets: Record<string, { textureUrl: string }> = {\n  ESO_GIGAGALAXY: {\n    textureUrl: '{{assets}}/skybox/eso_milkyway.jpg',\n  },\n  ESO_LITE: {\n    textureUrl: '{{assets}}/skybox/eso_lite.png',\n  },\n  NASA_TYCHO: {\n    // from https://svs.gsfc.nasa.gov/3895\n    textureUrl: '{{assets}}/skybox/nasa_tycho.jpg',\n  },\n};\n", "import * as THREE from 'three';\n//import { TranslucentShader } from 'three/examples/jsm/shaders/TranslucentShader.js';\n\nimport Units from './Units';\nimport { RotatingObject } from './RotatingObject';\nimport { rescaleNumber } from './Scale';\nimport {\n  ATMOSPHERE_SHADER_VERTEX,\n  ATMOSPHERE_SHADER_FRAGMENT,\n  RING_SHADER_VERTEX,\n  RING_SHADER_FRAGMENT,\n  SPHERE_SHADER_VERTEX,\n  SPHERE_SHADER_FRAGMENT,\n} from './shaders';\n\nimport type { IUniform } from 'three';\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\n/**\n * Simulates a planet or other object as a perfect sphere.\n */\nexport class SphereObject extends RotatingObject {\n  /**\n   * @param {String} options.textureUrl Path to basic texture (optional)\n   * @param {String} options.bumpMapUrl Path to bump map (optional)\n   * @param {String} options.specularMapUrl Path to specular map (optional)\n   * @param {Number} options.color Hex color of the sphere\n   * @param {Number} options.axialTilt Axial tilt in degrees\n   * @param {Number} options.radius Radius of sphere. Defaults to 1\n   * @param {Object} options.levelsOfDetail List of {threshold: x, segments:\n   * y}, where `threshold` is radii distance and `segments` is the number\n   * number of sphere faces to render.\n   * @param {Object} options.atmosphere Atmosphere options\n   * @param {Object} options.atmosphere.enable Show atmosphere\n   * @param {Object} options.atmosphere.color Atmosphere color\n   * @param {Object} options.atmosphere.innerSizeRatio Size ratio of the inner\n   * atmosphere to the radius of the sphere. Defaults to 0.025\n   * @param {Object} options.atmosphere.outerSizeRatio Size ratio of the outer\n   * atmosphere to the radius of the sphere. Defaults to 0.15\n   * @param {Object} options.debug Debug options\n   * @param {boolean} options.debug.showAxes Show axes\n   * @see SpaceObject\n   * @see RotatingObject\n   */\n  constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n    super(id, options, simulation, false /* autoInit */);\n\n    this.init();\n  }\n\n  override init(): boolean {\n    let map: THREE.Texture | null = null;\n    if (this._options.textureUrl) {\n      map = new THREE.TextureLoader().load(this._options.textureUrl);\n    }\n\n    const detailedObj = new THREE.LOD();\n    const levelsOfDetail = this._options.levelsOfDetail || [\n      { radii: 0, segments: 64 },\n    ];\n    const radius = this.getScaledRadius();\n\n    for (let i = 0; i < levelsOfDetail.length; i += 1) {\n      const level = levelsOfDetail[i];\n      const sphereGeometry = new THREE.SphereGeometry(\n        radius,\n        level.segments,\n        level.segments,\n      );\n\n      let material: THREE.ShaderMaterial | THREE.MeshBasicMaterial;\n      if (this._simulation.isUsingLightSources()) {\n        console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);\n        const uniforms: Record<string, IUniform> = {\n          sphereTexture: {\n            value: undefined,\n          },\n          lightPos: {\n            value: new THREE.Vector3(),\n          },\n        };\n        // TODO(ian): Handle if no map\n        uniforms.sphereTexture.value = map;\n        uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n        material = new THREE.ShaderMaterial({\n          uniforms,\n          vertexShader: SPHERE_SHADER_VERTEX,\n          fragmentShader: SPHERE_SHADER_FRAGMENT,\n          transparent: true,\n        });\n      } else {\n        const color = this._options.color ?? 0xbbbbbb;\n        material = new THREE.MeshBasicMaterial({\n          map,\n          color,\n        });\n      }\n\n      const mesh = new THREE.Mesh(sphereGeometry, material);\n      mesh.receiveShadow = true;\n      mesh.castShadow = true;\n\n      // Change the coordinate system to have Z-axis pointed up.\n      mesh.rotation.x = Math.PI / 2;\n\n      // Show this number of segments at distance >= radii * level.radii.\n      detailedObj.addLevel(mesh, radius * level.radii);\n    }\n\n    // Add to the parent base object.\n    this._obj.add(detailedObj);\n\n    if (this._options.atmosphere && this._options.atmosphere.enable) {\n      const atmosphere = this.renderFullAtmosphere();\n      if (atmosphere) {\n        this._obj.add(atmosphere);\n      }\n    }\n\n    if (this._options.axialTilt) {\n      this._obj.rotation.y += Units.rad(this._options.axialTilt);\n    }\n\n    this._renderMethod = 'SPHERE';\n\n    if (this._simulation) {\n      // Add it all to visualization.\n      this._simulation.addObject(this, false /* noUpdate */);\n    }\n\n    return super.init();\n  }\n\n  /**\n   * @private\n   */\n  private getScaledRadius(): number {\n    return rescaleNumber(this._options.radius || 1);\n  }\n\n  /**\n   * @private\n   * Model the atmosphere as two layers - a thick inner layer and a diffuse\n   * outer one.\n   */\n  private renderFullAtmosphere() {\n    if (!this._simulation.isUsingLightSources()) {\n      console.warn('Cannot render atmosphere without a light source');\n      return null;\n    }\n\n    const radius = this.getScaledRadius();\n    const color = new THREE.Color(this._options?.atmosphere?.color ?? 0xffffff);\n\n    const innerSize =\n      radius * (this._options?.atmosphere?.innerSizeRatio ?? 0.025);\n    const outerSize =\n      radius * (this._options?.atmosphere?.outerSizeRatio ?? 0.15);\n\n    const detailedObj = new THREE.Object3D();\n    detailedObj.add(\n      this.renderAtmosphereComponent(radius, innerSize, 0.8, 2.0, color),\n    );\n    detailedObj.add(\n      this.renderAtmosphereComponent(radius, outerSize, 0.5, 4.0, color),\n    );\n\n    // Hide atmosphere beyond some multiple of radius distance.\n    // TODO(ian): This effect is somewhat jarring when the atmosphere first\n    // appears, also arbitrary...\n    const ret = new THREE.LOD();\n    ret.addLevel(detailedObj, 0);\n    ret.addLevel(new THREE.Object3D(), radius * 24);\n    return ret;\n  }\n\n  /**\n   * @private\n   * @param {Number} radius Radius of object\n   * @param {Number} size Size of atmosphere\n   * @param {Number} coefficient Coefficient value\n   * @param {Number} power Power value\n   * @param {THREE.Color} colorObj Color of atmosphere\n   */\n  private renderAtmosphereComponent(\n    radius: number,\n    size: number,\n    coefficient: number,\n    power: number,\n    colorObj: THREE.Color,\n  ) {\n    const geometry = new THREE.SphereGeometry(radius + size, 32, 32);\n    const uniforms = {\n      c: { value: coefficient },\n      p: { value: power },\n      color: { value: colorObj },\n      lightPos: { value: new THREE.Vector3() },\n    };\n    const lightPosition = this._simulation.getLightPosition();\n    if (lightPosition) {\n      uniforms.lightPos.value.copy(lightPosition);\n    }\n    // TODO(ian): Handle case where there is no light.\n\n    const material = new THREE.ShaderMaterial({\n      uniforms,\n      vertexShader: ATMOSPHERE_SHADER_VERTEX,\n      fragmentShader: ATMOSPHERE_SHADER_FRAGMENT,\n      side: THREE.BackSide,\n      transparent: true,\n      depthWrite: false,\n    });\n\n    return new THREE.Mesh(geometry, material);\n  }\n\n  /**\n   * Add rings around this object.\n   * @param {Number} innerRadiusKm Inner radius of ring.\n   * @param {Number} outerRadiusKm Outer radius of ring.\n   * @param {String} texturePath Full path to 1xN ring texture. (each pixel\n   * represents the color of a full circle within the ring)\n   * @param {Number} segments  Number of segments to use to render ring.\n   * (optional)\n   */\n  addRings(\n    innerRadiusKm: number,\n    outerRadiusKm: number,\n    texturePath: string,\n    segments: number = 128,\n  ) {\n    const innerRadiusSize = rescaleNumber(Units.kmToAu(innerRadiusKm));\n    const outerRadiusSize = rescaleNumber(Units.kmToAu(outerRadiusKm));\n\n    const geometry = new THREE.RingGeometry(\n      innerRadiusSize,\n      outerRadiusSize,\n      segments,\n      5,\n      0,\n      Math.PI * 2,\n    );\n    // TODO(ian): Load from base path.\n    const map = new THREE.TextureLoader().load(texturePath);\n\n    let material;\n    if (this._simulation.isUsingLightSources()) {\n      // TODO(ian): Follow recommendation for defining ShaderMaterials here:\n      // https://discourse.threejs.org/t/cant-get-a-sampler2d-uniform-to-work-from-datatexture/6366/14?u=ianw\n      const uniforms = THREE.UniformsUtils.merge([\n        // TODO(ian): These failed due to type check. Remove?\n        // THREE.UniformsLib.ambient,\n        THREE.UniformsLib.lights,\n        // THREE.UniformsLib.shadowmap,\n        {\n          ringTexture: { value: null },\n          innerRadius: { value: innerRadiusSize },\n          outerRadius: { value: outerRadiusSize },\n          lightPos: { value: new THREE.Vector3() },\n        },\n      ]);\n      uniforms.ringTexture.value = map;\n      uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n\n      material = new THREE.ShaderMaterial({\n        uniforms,\n        lights: true,\n        vertexShader: RING_SHADER_VERTEX,\n        fragmentShader: RING_SHADER_FRAGMENT,\n        transparent: true,\n        alphaTest: 0.1,\n        side: THREE.DoubleSide,\n      });\n    } else {\n      material = new THREE.MeshBasicMaterial({\n        map,\n        side: THREE.DoubleSide,\n        transparent: true,\n        alphaTest: 0.1,\n        opacity: 0.8,\n      });\n    }\n\n    const mesh = new THREE.Mesh(geometry, material);\n    mesh.receiveShadow = true;\n    mesh.castShadow = true;\n\n    this._obj.add(mesh);\n  }\n}\n", "import * as THREE from 'three';\n\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Simulation, SimulationObject } from './Simulation';\n\ninterface StaticParticleOptions {\n  defaultColor: number;\n  size: number;\n}\n\nconst DEFAULT_PARTICLE_SIZE = 4;\nconst DEFAULT_COLOR = 0xffffff;\n\n/**\n * Simulates a static particle field in whichever base reference the simulation is in.\n */\nexport class StaticParticles implements SimulationObject {\n  private id: string;\n\n  private options: StaticParticleOptions;\n\n  private simulation: Simulation;\n\n  private points: Coordinate3d[];\n\n  private pointObject?: THREE.Points;\n\n  /**\n   *\n   * @param {String} id Unique ID for this object\n   * @param {Array.Array.<Number>} points an array of X,Y,Z cartesian points, one for each particle\n   * @param {Object} options container\n   * @param {Color} options.defaultColor color to use for all particles can be a THREE string color name or hex value\n   * @param {Number} options.size the size of each particle\n   * @param {Simulation} simulation Simulation object\n   */\n  constructor(\n    id: string,\n    points: Coordinate3d[],\n    options: StaticParticleOptions,\n    simulation: Simulation,\n  ) {\n    this.options = options;\n\n    this.id = id;\n\n    // User passed in Simulation\n    this.simulation = simulation;\n\n    this.points = points;\n    this.pointObject = undefined;\n\n    this.init();\n    this.simulation.addObject(this, true);\n  }\n\n  init() {\n    const positions = new Float32Array(this.points.length * 3);\n    const colors = new Float32Array(this.points.length * 3);\n    const sizes = new Float32Array(this.points.length);\n    let color = new THREE.Color(DEFAULT_COLOR);\n\n    if (this.options.defaultColor) {\n      color = new THREE.Color(this.options.defaultColor);\n    }\n\n    let size = DEFAULT_PARTICLE_SIZE;\n\n    if (this.options.size) {\n      size = this.options.size;\n    }\n\n    for (let i = 0, l = this.points.length; i < l; i++) {\n      const vertex = this.points[i];\n      positions.set(vertex, i * 3);\n      color.toArray(colors, i * 3);\n      sizes[i] = size;\n    }\n\n    const geometry = new THREE.BufferGeometry();\n    geometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));\n    geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n    geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n    const material = new THREE.ShaderMaterial({\n      vertexColors: true,\n      vertexShader: STAR_SHADER_VERTEX,\n      fragmentShader: STAR_SHADER_FRAGMENT,\n      transparent: true,\n    });\n\n    this.pointObject = new THREE.Points(geometry, material);\n  }\n\n  /**\n   * A list of THREE.js objects that are used to compose the particle system.\n   * @return {THREE.Object3D} Point geometry\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    if (this.pointObject) {\n      return [this.pointObject];\n    }\n    return [];\n  }\n\n  /**\n   * Get the unique ID of this object.\n   * @return {String} id\n   */\n  getId(): string {\n    return this.id;\n  }\n\n  update() {\n    // Static particles don't update\n  }\n}\n", "import * as THREE from 'three';\n\nimport Coordinates from './Coordinates';\nimport Units from './Units';\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\nimport { getFullUrl } from './util';\n\nimport type {\n  Simulation,\n  SimulationContext,\n  SimulationObject,\n} from './Simulation';\n\ninterface StarOptions {\n  minSize?: number;\n}\n\ntype StarRecord = [number, number, number, number];\n\n/**\n * Maps spectral class to star color\n * @param temp {Number} Star temperature in Kelvin\n * @return {Number} Color for star of given spectral class\n */\nfunction getColorForStar(temp: number): number {\n  if (temp >= 30000) return 0x92b5ff;\n  if (temp >= 10000) return 0xa2c0ff;\n  if (temp >= 7500) return 0xd5e0ff;\n  if (temp >= 6000) return 0xf9f5ff;\n  if (temp >= 5200) return 0xffede3;\n  if (temp >= 3700) return 0xffdab5;\n  if (temp >= 2400) return 0xffb56c;\n  return 0xffb56c;\n}\n\n/**\n * Returns the pixel size of a star.\n * @param mag {Number} Absolute magnitude of star\n * @param minSize {Number} Pixel size of the smallest star\n * @return {Number} Pixel size of star.\n */\nfunction getSizeForStar(mag: number, minSize: number): number {\n  if (mag < 2.0) return minSize * 4;\n  if (mag < 4.0) return minSize * 2;\n  if (mag < 6.0) return minSize;\n  return 1;\n}\n\n/**\n * Builds a starry background that is accurate for the Earth's position in\n * space.\n */\nexport class Stars implements SimulationObject {\n  private _id: string;\n\n  private _options: StarOptions;\n\n  private _simulation: Simulation;\n\n  private _context: SimulationContext;\n\n  private _stars?: THREE.Points;\n\n  /**\n   * @param {Number} options.minSize The size of the smallest star.\n   * Defaults to 0.75\n   */\n  constructor(options: StarOptions, simulation: Simulation) {\n    this._options = options;\n    this._id = `__stars_${new Date().getTime()}`;\n\n    this._simulation = simulation;\n    this._context = simulation.getContext();\n\n    this._stars = undefined;\n\n    this.init();\n  }\n\n  init() {\n    const dataUrl = getFullUrl(\n      '{{data}}/processed/bsc.json',\n      this._context.options.basePath,\n    );\n\n    fetch(dataUrl)\n      .then((resp) => resp.json())\n      .then((library) => {\n        const n = library.length;\n\n        const geometry = new THREE.BufferGeometry();\n\n        const positions = new Float32Array(n * 3);\n        const colors = new Float32Array(n * 3);\n        const sizes = new Float32Array(n);\n\n        geometry.setAttribute(\n          'position',\n          new THREE.BufferAttribute(positions, 3),\n        );\n        geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n        geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n        library.forEach((star: StarRecord, idx: number) => {\n          const [ra, dec, temp, mag] = star;\n\n          const raRad = Units.rad(Units.hoursToDeg(ra));\n          const decRad = Units.rad(dec);\n\n          const cartesianSpherical = Coordinates.sphericalToCartesian(\n            raRad,\n            decRad,\n            1e9,\n          );\n          const pos = Coordinates.equatorialToEcliptic_Cartesian(\n            cartesianSpherical[0],\n            cartesianSpherical[1],\n            cartesianSpherical[2],\n            Coordinates.getObliquity(), // defaults to J2000 value\n          );\n\n          positions.set(pos, idx * 3);\n\n          const color = new THREE.Color(getColorForStar(temp));\n          colors.set(color.toArray(), idx * 3);\n\n          sizes[idx] = getSizeForStar(\n            mag,\n            this._options.minSize || 3.0 /* minSize */,\n          );\n        });\n\n        const material = new THREE.ShaderMaterial({\n          uniforms: {},\n          vertexColors: true,\n          vertexShader: STAR_SHADER_VERTEX,\n          fragmentShader: STAR_SHADER_FRAGMENT,\n\n          transparent: true,\n        });\n\n        this._stars = new THREE.Points(geometry, material);\n\n        if (this._simulation) {\n          this._simulation.addObject(this, true /* noUpdate */);\n        }\n      });\n  }\n\n  /**\n   * A list of THREE.js objects that are used to compose this object\n   * @return {THREE.Object3D[]} Star objects\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    if (this._stars) {\n      return [this._stars];\n    }\n    return [];\n  }\n\n  /**\n   * Get the unique ID of this object.\n   * @return {String} id\n   */\n  getId(): string {\n    return this._id;\n  }\n\n  update() {\n    // Stars don't update\n  }\n}\n"],
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+  "sourcesContent": ["module.exports = convert;\nmodule.exports.toDate = convertToDate;\n\nmodule.exports.toJulianDay = toJulianDay;\nmodule.exports.toMillisecondsInJulianDay = toMillisecondsInJulianDay;\nmodule.exports.fromJulianDayAndMilliseconds = fromJulianDayAndMilliseconds;\n\nvar DAY = 86400000;\nvar HALF_DAY = DAY / 2;\nvar UNIX_EPOCH_JULIAN_DATE = 2440587.5;\nvar UNIX_EPOCH_JULIAN_DAY = 2440587;\n\nfunction convert(date) {\n  return (toJulianDay(date) + (toMillisecondsInJulianDay(date) / DAY)).toFixed(6);\n};\n\nfunction convertToDate(julian) {\n  return new Date((Number(julian) - UNIX_EPOCH_JULIAN_DATE) * DAY);\n};\n\nfunction toJulianDay(date) {\n  return ~~((+date + HALF_DAY) / DAY) + UNIX_EPOCH_JULIAN_DAY;\n};\n\nfunction toMillisecondsInJulianDay(date) {\n  return (+date + HALF_DAY) % DAY;\n};\n\nfunction fromJulianDayAndMilliseconds(day, ms) {\n  return (day - UNIX_EPOCH_JULIAN_DATE) * DAY + ms;\n};\n", "export * from './Camera';\nexport * from './Coordinates';\nexport * from './Ephem';\nexport * from './EphemerisTable';\nexport * from './EphemPresets';\nexport * from './Orbit';\nexport * from './Simulation';\nexport * from './Skybox';\nexport * from './SpaceObject';\nexport * from './RotatingObject';\nexport * from './ShapeObject';\nexport * from './SphereObject';\nexport * from './StaticParticles';\nexport * from './KeplerParticles';\nexport * from './Stars';\nexport * from './Units';\n\nimport * as _THREE from 'three';\nexport const THREE = _THREE;\n", "/**\n * @license\n * Copyright 2010-2021 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '135';\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\nconst CullFaceNone = 0;\nconst CullFaceBack = 1;\nconst CullFaceFront = 2;\nconst CullFaceFrontBack = 3;\nconst BasicShadowMap = 0;\nconst PCFShadowMap = 1;\nconst PCFSoftShadowMap = 2;\nconst VSMShadowMap = 3;\nconst FrontSide = 0;\nconst BackSide = 1;\nconst DoubleSide = 2;\nconst FlatShading = 1;\nconst SmoothShading = 2;\nconst NoBlending = 0;\nconst NormalBlending = 1;\nconst AdditiveBlending = 2;\nconst SubtractiveBlending = 3;\nconst MultiplyBlending = 4;\nconst CustomBlending = 5;\nconst AddEquation = 100;\nconst SubtractEquation = 101;\nconst ReverseSubtractEquation = 102;\nconst MinEquation = 103;\nconst MaxEquation = 104;\nconst ZeroFactor = 200;\nconst OneFactor = 201;\nconst SrcColorFactor = 202;\nconst OneMinusSrcColorFactor = 203;\nconst SrcAlphaFactor = 204;\nconst OneMinusSrcAlphaFactor = 205;\nconst DstAlphaFactor = 206;\nconst OneMinusDstAlphaFactor = 207;\nconst DstColorFactor = 208;\nconst OneMinusDstColorFactor = 209;\nconst SrcAlphaSaturateFactor = 210;\nconst NeverDepth = 0;\nconst AlwaysDepth = 1;\nconst LessDepth = 2;\nconst LessEqualDepth = 3;\nconst EqualDepth = 4;\nconst GreaterEqualDepth = 5;\nconst GreaterDepth = 6;\nconst NotEqualDepth = 7;\nconst MultiplyOperation = 0;\nconst MixOperation = 1;\nconst AddOperation = 2;\nconst NoToneMapping = 0;\nconst LinearToneMapping = 1;\nconst ReinhardToneMapping = 2;\nconst CineonToneMapping = 3;\nconst ACESFilmicToneMapping = 4;\nconst CustomToneMapping = 5;\n\nconst UVMapping = 300;\nconst CubeReflectionMapping = 301;\nconst CubeRefractionMapping = 302;\nconst EquirectangularReflectionMapping = 303;\nconst EquirectangularRefractionMapping = 304;\nconst CubeUVReflectionMapping = 306;\nconst CubeUVRefractionMapping = 307;\nconst RepeatWrapping = 1000;\nconst ClampToEdgeWrapping = 1001;\nconst MirroredRepeatWrapping = 1002;\nconst NearestFilter = 1003;\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004;\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005;\nconst LinearFilter = 1006;\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007;\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008;\nconst UnsignedByteType = 1009;\nconst ByteType = 1010;\nconst ShortType = 1011;\nconst UnsignedShortType = 1012;\nconst IntType = 1013;\nconst UnsignedIntType = 1014;\nconst FloatType = 1015;\nconst HalfFloatType = 1016;\nconst UnsignedShort4444Type = 1017;\nconst UnsignedShort5551Type = 1018;\nconst UnsignedShort565Type = 1019;\nconst UnsignedInt248Type = 1020;\nconst AlphaFormat = 1021;\nconst RGBFormat = 1022;\nconst RGBAFormat = 1023;\nconst LuminanceFormat = 1024;\nconst LuminanceAlphaFormat = 1025;\nconst RGBEFormat = RGBAFormat;\nconst DepthFormat = 1026;\nconst DepthStencilFormat = 1027;\nconst RedFormat = 1028;\nconst RedIntegerFormat = 1029;\nconst RGFormat = 1030;\nconst RGIntegerFormat = 1031;\nconst RGBIntegerFormat = 1032;\nconst RGBAIntegerFormat = 1033;\n\nconst RGB_S3TC_DXT1_Format = 33776;\nconst RGBA_S3TC_DXT1_Format = 33777;\nconst RGBA_S3TC_DXT3_Format = 33778;\nconst RGBA_S3TC_DXT5_Format = 33779;\nconst RGB_PVRTC_4BPPV1_Format = 35840;\nconst RGB_PVRTC_2BPPV1_Format = 35841;\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\nconst RGB_ETC1_Format = 36196;\nconst RGB_ETC2_Format = 37492;\nconst RGBA_ETC2_EAC_Format = 37496;\nconst RGBA_ASTC_4x4_Format = 37808;\nconst RGBA_ASTC_5x4_Format = 37809;\nconst RGBA_ASTC_5x5_Format = 37810;\nconst RGBA_ASTC_6x5_Format = 37811;\nconst RGBA_ASTC_6x6_Format = 37812;\nconst RGBA_ASTC_8x5_Format = 37813;\nconst RGBA_ASTC_8x6_Format = 37814;\nconst RGBA_ASTC_8x8_Format = 37815;\nconst RGBA_ASTC_10x5_Format = 37816;\nconst RGBA_ASTC_10x6_Format = 37817;\nconst RGBA_ASTC_10x8_Format = 37818;\nconst RGBA_ASTC_10x10_Format = 37819;\nconst RGBA_ASTC_12x10_Format = 37820;\nconst RGBA_ASTC_12x12_Format = 37821;\nconst RGBA_BPTC_Format = 36492;\nconst SRGB8_ALPHA8_ASTC_4x4_Format = 37840;\nconst SRGB8_ALPHA8_ASTC_5x4_Format = 37841;\nconst SRGB8_ALPHA8_ASTC_5x5_Format = 37842;\nconst SRGB8_ALPHA8_ASTC_6x5_Format = 37843;\nconst SRGB8_ALPHA8_ASTC_6x6_Format = 37844;\nconst SRGB8_ALPHA8_ASTC_8x5_Format = 37845;\nconst SRGB8_ALPHA8_ASTC_8x6_Format = 37846;\nconst SRGB8_ALPHA8_ASTC_8x8_Format = 37847;\nconst SRGB8_ALPHA8_ASTC_10x5_Format = 37848;\nconst SRGB8_ALPHA8_ASTC_10x6_Format = 37849;\nconst SRGB8_ALPHA8_ASTC_10x8_Format = 37850;\nconst SRGB8_ALPHA8_ASTC_10x10_Format = 37851;\nconst SRGB8_ALPHA8_ASTC_12x10_Format = 37852;\nconst SRGB8_ALPHA8_ASTC_12x12_Format = 37853;\nconst LoopOnce = 2200;\nconst LoopRepeat = 2201;\nconst LoopPingPong = 2202;\nconst InterpolateDiscrete = 2300;\nconst InterpolateLinear = 2301;\nconst InterpolateSmooth = 2302;\nconst ZeroCurvatureEnding = 2400;\nconst ZeroSlopeEnding = 2401;\nconst WrapAroundEnding = 2402;\nconst NormalAnimationBlendMode = 2500;\nconst AdditiveAnimationBlendMode = 2501;\nconst TrianglesDrawMode = 0;\nconst TriangleStripDrawMode = 1;\nconst TriangleFanDrawMode = 2;\nconst LinearEncoding = 3000;\nconst sRGBEncoding = 3001;\nconst GammaEncoding = 3007;\nconst RGBEEncoding = 3002;\nconst RGBM7Encoding = 3004;\nconst RGBM16Encoding = 3005;\nconst RGBDEncoding = 3006;\nconst BasicDepthPacking = 3200;\nconst RGBADepthPacking = 3201;\nconst TangentSpaceNormalMap = 0;\nconst ObjectSpaceNormalMap = 1;\n\nconst ZeroStencilOp = 0;\nconst KeepStencilOp = 7680;\nconst ReplaceStencilOp = 7681;\nconst IncrementStencilOp = 7682;\nconst DecrementStencilOp = 7683;\nconst IncrementWrapStencilOp = 34055;\nconst DecrementWrapStencilOp = 34056;\nconst InvertStencilOp = 5386;\n\nconst NeverStencilFunc = 512;\nconst LessStencilFunc = 513;\nconst EqualStencilFunc = 514;\nconst LessEqualStencilFunc = 515;\nconst GreaterStencilFunc = 516;\nconst NotEqualStencilFunc = 517;\nconst GreaterEqualStencilFunc = 518;\nconst AlwaysStencilFunc = 519;\n\nconst StaticDrawUsage = 35044;\nconst DynamicDrawUsage = 35048;\nconst StreamDrawUsage = 35040;\nconst StaticReadUsage = 35045;\nconst DynamicReadUsage = 35049;\nconst StreamReadUsage = 35041;\nconst StaticCopyUsage = 35046;\nconst DynamicCopyUsage = 35050;\nconst StreamCopyUsage = 35042;\n\nconst GLSL1 = '100';\nconst GLSL3 = '300 es';\n\n/**\n * https://github.com/mrdoob/eventdispatcher.js/\n */\n\nclass EventDispatcher {\n\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\thasEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return false;\n\n\t\tconst listeners = this._listeners;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;\n\n\t}\n\n\tremoveEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [];\n\nfor ( let i = 0; i < 256; i ++ ) {\n\n\t_lut[ i ] = ( i < 16 ? '0' : '' ) + ( i ).toString( 16 );\n\n}\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\nfunction generateUUID() {\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toUpperCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toUpperCase();\n\n}\n\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n// compute euclidian modulo of m % n\n// https://en.wikipedia.org/wiki/Modulo_operation\nfunction euclideanModulo( n, m ) {\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n// Linear mapping from range <a1, a2> to range <b1, b2>\nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\nfunction inverseLerp( x, y, value ) {\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t} else {\n\n\t\treturn 0;\n\n\t}\n\n}\n\n// https://en.wikipedia.org/wiki/Linear_interpolation\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n// https://www.desmos.com/calculator/vcsjnyz7x4\nfunction pingpong( x, length = 1 ) {\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n// http://en.wikipedia.org/wiki/Smoothstep\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n// Random integer from <low, high> interval\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n// Random float from <low, high> interval\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n// Random float from <-range/2, range/2> interval\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n// Deterministic pseudo-random float in the interval [ 0, 1 ]\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s % 2147483647;\n\n\t// Park-Miller algorithm\n\n\t_seed = _seed * 16807 % 2147483647;\n\n\treturn ( _seed - 1 ) / 2147483646;\n\n}\n\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\t// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles\n\n\t// rotations are applied to the axes in the order specified by 'order'\n\t// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'\n\t// angles are in radians\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\nvar MathUtils = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\tgenerateUUID: generateUUID,\n\tclamp: clamp,\n\teuclideanModulo: euclideanModulo,\n\tmapLinear: mapLinear,\n\tinverseLerp: inverseLerp,\n\tlerp: lerp,\n\tdamp: damp,\n\tpingpong: pingpong,\n\tsmoothstep: smoothstep,\n\tsmootherstep: smootherstep,\n\trandInt: randInt,\n\trandFloat: randFloat,\n\trandFloatSpread: randFloatSpread,\n\tseededRandom: seededRandom,\n\tdegToRad: degToRad,\n\tradToDeg: radToDeg,\n\tisPowerOfTwo: isPowerOfTwo,\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler\n});\n\nclass Vector2 {\n\n\tconstructor( x = 0, y = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tangle() {\n\n\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\n\t}\n\n}\n\nVector2.prototype.isVector2 = true;\n\nclass Matrix3 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tscale( sx, sy ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx;\n\t\tte[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy;\n\n\t\treturn this;\n\n\t}\n\n\trotate( theta ) {\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tconst te = this.elements;\n\n\t\tconst a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ];\n\t\tconst a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ];\n\n\t\tte[ 0 ] = c * a11 + s * a21;\n\t\tte[ 3 ] = c * a12 + s * a22;\n\t\tte[ 6 ] = c * a13 + s * a23;\n\n\t\tte[ 1 ] = - s * a11 + c * a21;\n\t\tte[ 4 ] = - s * a12 + c * a22;\n\t\tte[ 7 ] = - s * a13 + c * a23;\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( tx, ty ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ];\n\t\tte[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nMatrix3.prototype.isMatrix3 = true;\n\nfunction arrayMax( array ) {\n\n\tif ( array.length === 0 ) return - Infinity;\n\n\tlet max = array[ 0 ];\n\n\tfor ( let i = 1, l = array.length; i < l; ++ i ) {\n\n\t\tif ( array[ i ] > max ) max = array[ i ];\n\n\t}\n\n\treturn max;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nfunction createElementNS( name ) {\n\n\treturn document.createElementNS( 'http://www.w3.org/1999/xhtml', name );\n\n}\n\n/**\n  * cyrb53 hash for string from: https://stackoverflow.com/a/52171480\n  *\n  * Public Domain, @bryc - https://stackoverflow.com/users/815680/bryc\n  *\n  * It is roughly similar to the well-known MurmurHash/xxHash algorithms. It uses a combination\n  * of multiplication and Xorshift to generate the hash, but not as thorough. As a result it's\n  * faster than either would be in JavaScript and significantly simpler to implement. Keep in\n  * mind this is not a secure algorithm, if privacy/security is a concern, this is not for you.\n  *\n  * @param {string} str\n  * @param {number} seed, default 0\n  * @returns number\n  */\nfunction hashString( str, seed = 0 ) {\n\n\tlet h1 = 0xdeadbeef ^ seed, h2 = 0x41c6ce57 ^ seed;\n\n\tfor ( let i = 0, ch; i < str.length; i ++ ) {\n\n\t\tch = str.charCodeAt( i );\n\n\t\th1 = Math.imul( h1 ^ ch, 2654435761 );\n\n\t\th2 = Math.imul( h2 ^ ch, 1597334677 );\n\n\t}\n\n\th1 = Math.imul( h1 ^ ( h1 >>> 16 ), 2246822507 ) ^ Math.imul( h2 ^ ( h2 >>> 13 ), 3266489909 );\n\n\th2 = Math.imul( h2 ^ ( h2 >>> 16 ), 2246822507 ) ^ Math.imul( h1 ^ ( h1 >>> 13 ), 3266489909 );\n\n\treturn 4294967296 * ( 2097151 & h2 ) + ( h1 >>> 0 );\n\n}\n\nlet _canvas;\n\nclass ImageUtils {\n\n\tstatic getDataURL( image ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement == 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = createElementNS( 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons', image );\n\n\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t} else {\n\n\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t}\n\n\t}\n\n}\n\nlet textureId = 0;\n\nclass Texture extends EventDispatcher {\n\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = 1, encoding = LinearEncoding ) {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: textureId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\n\t\tthis.image = image;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping;\n\n\t\tthis.wrapS = wrapS;\n\t\tthis.wrapT = wrapT;\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.anisotropy = anisotropy;\n\n\t\tthis.format = format;\n\t\tthis.internalFormat = null;\n\t\tthis.type = type;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\t\tthis.center = new Vector2( 0, 0 );\n\t\tthis.rotation = 0;\n\n\t\tthis.matrixAutoUpdate = true;\n\t\tthis.matrix = new Matrix3();\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t\tthis.isRenderTargetTexture = false;\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.image = source.image;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.encoding = source.encoding;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\tmapping: this.mapping,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\ttype: this.type,\n\t\t\tencoding: this.encoding,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( this.image !== undefined ) {\n\n\t\t\t// TODO: Move to THREE.Image\n\n\t\t\tconst image = this.image;\n\n\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\timage.uuid = generateUUID(); // UGH\n\n\t\t\t}\n\n\t\t\tif ( ! isRootObject && meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\tlet url;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\t// process array of images e.g. CubeTexture\n\n\t\t\t\t\turl = [];\n\n\t\t\t\t\tfor ( let i = 0, l = image.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t// check cube texture with data textures\n\n\t\t\t\t\t\tif ( image[ i ].isDataTexture ) {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ].image ) );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ] ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// process single image\n\n\t\t\t\t\turl = serializeImage( image );\n\n\t\t\t\t}\n\n\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\turl: url\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\toutput.image = image.uuid;\n\n\t\t}\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) output.userData = this.userData;\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nTexture.DEFAULT_IMAGE = undefined;\nTexture.DEFAULT_MAPPING = UVMapping;\n\nTexture.prototype.isTexture = true;\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.prototype.slice.call( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nclass Vector4 {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t     ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t     ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t     ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t     ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t     ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\t\tthis.w = Math.max( minVal, Math.min( maxVal, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\t\tyield this.w;\n\n\t}\n\n}\n\nVector4.prototype.isVector4 = true;\n\n/*\n In options, we can specify:\n * Texture parameters for an auto-generated target texture\n * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n*/\nclass WebGLRenderTarget extends EventDispatcher {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\tthis.depth = 1;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tthis.texture = new Texture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.image = { width: width, height: height, depth: 1 };\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.internalFormat = options.internalFormat !== undefined ? options.internalFormat : null;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : false;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tsetTexture( texture ) {\n\n\t\ttexture.image = {\n\t\t\twidth: this.width,\n\t\t\theight: this.height,\n\t\t\tdepth: this.depth\n\t\t};\n\n\t\tthis.texture = texture;\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tthis.texture.image.width = width;\n\t\t\tthis.texture.image.height = height;\n\t\t\tthis.texture.image.depth = depth;\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.texture = source.texture.clone();\n\t\tthis.texture.image = { ...this.texture.image }; // See #20328.\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nWebGLRenderTarget.prototype.isWebGLRenderTarget = true;\n\nclass WebGLMultipleRenderTargets extends WebGLRenderTarget {\n\n\tconstructor( width, height, count ) {\n\n\t\tsuper( width, height );\n\n\t\tconst texture = this.texture;\n\n\t\tthis.texture = [];\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.texture[ i ] = texture.clone();\n\n\t\t}\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.texture.length; i < il; i ++ ) {\n\n\t\t\t\tthis.texture[ i ].image.width = width;\n\t\t\t\tthis.texture[ i ].image.height = height;\n\t\t\t\tthis.texture[ i ].image.depth = depth;\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.dispose();\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.set( 0, 0, this.width, this.height );\n\t\tthis.scissor.set( 0, 0, this.width, this.height );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\tthis.texture.length = 0;\n\n\t\tfor ( let i = 0, il = source.texture.length; i < il; i ++ ) {\n\n\t\t\tthis.texture[ i ] = source.texture[ i ].clone();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultipleRenderTargets.prototype.isWebGLMultipleRenderTargets = true;\n\nclass WebGLMultisampleRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.samples = 4;\n\n\t\tthis.ignoreDepthForMultisampleCopy = options.ignoreDepth !== undefined ? options.ignoreDepth : true;\n\t\tthis.useRenderToTexture = ( options.useRenderToTexture !== undefined ) ? options.useRenderToTexture : false;\n\t\tthis.useRenderbuffer = this.useRenderToTexture === false;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy.call( this, source );\n\n\t\tthis.samples = source.samples;\n\t\tthis.useRenderToTexture = source.useRenderToTexture;\n\t\tthis.useRenderbuffer = source.useRenderbuffer;\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultisampleRenderTarget.prototype.isWebGLMultisampleRenderTarget = true;\n\nclass Quaternion {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\tstatic slerp( qa, qb, qm, t ) {\n\n\t\tconsole.warn( 'THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead.' );\n\t\treturn qm.slerpQuaternions( qa, qb, t );\n\n\t}\n\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t === 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t === 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet s = 1 - t;\n\t\t\tconst cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\tconst sin = Math.sqrt( sqrSin ),\n\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t}\n\n\t\t\tconst tDir = t * dir;\n\n\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t// Normalize in case we just did a lerp:\n\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromEuler( euler, update ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update !== false ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t// assumes axis is normalized\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < Number.EPSILON ) {\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) );\n\n\t}\n\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\tinvert() {\n\n\t\t// quaternion is assumed to have unit length\n\n\t\treturn this.conjugate();\n\n\t}\n\n\tconjugate() {\n\n\t\tthis._x *= - 1;\n\t\tthis._y *= - 1;\n\t\tthis._z *= - 1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( q, p ) {\n\n\t\tif ( p !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t}\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerp( qb, t ) {\n\n\t\tif ( t === 0 ) return this;\n\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\tconst x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\tlet cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\tthis._w = - qb._w;\n\t\t\tthis._x = - qb._x;\n\t\t\tthis._y = - qb._y;\n\t\t\tthis._z = - qb._z;\n\n\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t} else {\n\n\t\t\tthis.copy( qb );\n\n\t\t}\n\n\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\tthis._w = w;\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;\n\n\t\tif ( sqrSinHalfTheta <= Number.EPSILON ) {\n\n\t\t\tconst s = 1 - t;\n\t\t\tthis._w = s * w + t * this._w;\n\t\t\tthis._x = s * x + t * this._x;\n\t\t\tthis._y = s * y + t * this._y;\n\t\t\tthis._z = s * z + t * this._z;\n\n\t\t\tthis.normalize();\n\t\t\tthis._onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sinHalfTheta = Math.sqrt( sqrSinHalfTheta );\n\t\tconst halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\tconst ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\tthis.copy( qa ).slerp( qb, t );\n\n\t}\n\n\trandom() {\n\n\t\t// Derived from http://planning.cs.uiuc.edu/node198.html\n\t\t// Note, this source uses w, x, y, z ordering,\n\t\t// so we swap the order below.\n\n\t\tconst u1 = Math.random();\n\t\tconst sqrt1u1 = Math.sqrt( 1 - u1 );\n\t\tconst sqrtu1 = Math.sqrt( u1 );\n\n\t\tconst u2 = 2 * Math.PI * Math.random();\n\n\t\tconst u3 = 2 * Math.PI * Math.random();\n\n\t\treturn this.set(\n\t\t\tsqrt1u1 * Math.cos( u2 ),\n\t\t\tsqrtu1 * Math.sin( u3 ),\n\t\t\tsqrtu1 * Math.cos( u3 ),\n\t\t\tsqrt1u1 * Math.sin( u2 ),\n\t\t);\n\n\t}\n\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nQuaternion.prototype.isQuaternion = true;\n\nclass Vector3 {\n\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t}\n\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t}\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// calculate quat * vector\n\n\t\tconst ix = qw * x + qy * z - qz * y;\n\t\tconst iy = qw * y + qz * x - qx * z;\n\t\tconst iz = qw * z + qx * y - qy * x;\n\t\tconst iw = - qx * x - qy * y - qz * z;\n\n\t\t// calculate result * inverse quat\n\n\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\treturn this;\n\n\t}\n\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tcross( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\treturn this.crossVectors( v, w );\n\n\t\t}\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\treflect( normal ) {\n\n\t\t// reflect incident vector off plane orthogonal to normal\n\t\t// normal is assumed to have unit length\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\trandomDirection() {\n\n\t\t// Derived from https://mathworld.wolfram.com/SpherePointPicking.html\n\n\t\tconst u = ( Math.random() - 0.5 ) * 2;\n\t\tconst t = Math.random() * Math.PI * 2;\n\t\tconst f = Math.sqrt( 1 - u ** 2 );\n\n\t\tthis.x = f * Math.cos( t );\n\t\tthis.y = f * Math.sin( t );\n\t\tthis.z = u;\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\n\t}\n\n}\n\nVector3.prototype.isVector3 = true;\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\nclass Box3 {\n\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromArray( array ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\tconst x = array[ i ];\n\t\t\tconst y = array[ i + 1 ];\n\t\t\tconst z = array[ i + 2 ];\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = attribute.count; i < l; i ++ ) {\n\n\t\t\tconst x = attribute.getX( i );\n\t\t\tconst y = attribute.getY( i );\n\t\t\tconst z = attribute.getZ( i );\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\texpandByObject( object ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\t_box$3.copy( geometry.boundingBox );\n\t\t\t_box$3.applyMatrix4( object.matrixWorld );\n\n\t\t\tthis.union( _box$3 );\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ||\n\t\t\tpoint.z < this.min.z || point.z > this.max.z ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\tbox.max.z < this.min.z || box.min.z > this.max.z ? false : true;\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$3.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$3, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$3 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents );\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$b.copy( point ).clamp( this.min, this.max );\n\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tgetBoundingSphere( target ) {\n\n\t\tthis.getCenter( target.center );\n\n\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\treturn target;\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox3.prototype.isBox3 = true;\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$3 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the seperating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the seperating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is seperating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _toFarthestPoint = /*@__PURE__*/ new Vector3();\nconst _toPoint = /*@__PURE__*/ new Vector3();\n\nclass Sphere {\n\n\tconstructor( center = new Vector3(), radius = - 1 ) {\n\n\t\tthis.center = center;\n\t\tthis.radius = radius;\n\n\t}\n\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$2.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = - 1;\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671\n\n\t\t_toPoint.subVectors( point, this.center );\n\n\t\tconst lengthSq = _toPoint.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\t\t\tconst missingRadiusHalf = ( length - this.radius ) * 0.5;\n\n\t\t\t// Nudge this sphere towards the target point. Add half the missing distance to radius,\n\t\t\t// and the other half to position. This gives a tighter enclosure, instead of if\n\t\t\t// the whole missing distance were just added to radius.\n\n\t\t\tthis.center.add( _toPoint.multiplyScalar( missingRadiusHalf / length ) );\n\t\t\tthis.radius += missingRadiusHalf;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunion( sphere ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769\n\n\t\t// To enclose another sphere into this sphere, we only need to enclose two points:\n\t\t// 1) Enclose the farthest point on the other sphere into this sphere.\n\t\t// 2) Enclose the opposite point of the farthest point into this sphere.\n\n\t\t_toFarthestPoint.subVectors( sphere.center, this.center ).normalize().multiplyScalar( sphere.radius );\n\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _toFarthestPoint ) );\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _toFarthestPoint ) );\n\n\t\treturn this;\n\n\t}\n\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\nclass Ray {\n\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) {\n\n\t\tthis.origin = origin;\n\t\tthis.direction = direction;\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn target.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t}\n\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segDir ).multiplyScalar( s1 ).add( _segCenter );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t//   |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t//   |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t//   |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = - 1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix4 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractRotation( m ) {\n\n\t\t// this method does not support reflection matrices\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m, n ) {\n\n\t\tif ( n !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t}\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\tmakeTranslation( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, x,\n\t\t\t0, 1, 0, y,\n\t\t\t0, 0, 1, z,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tmakePerspective( left, right, top, bottom, near, far ) {\n\n\t\tif ( far === undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\t\tconst c = - ( far + near ) / ( far - near );\n\t\tconst d = - 2 * far * near / ( far - near );\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\tmakeOrthographic( left, right, top, bottom, near, far ) {\n\n\t\tconst te = this.elements;\n\t\tconst w = 1.0 / ( right - left );\n\t\tconst h = 1.0 / ( top - bottom );\n\t\tconst p = 1.0 / ( far - near );\n\n\t\tconst x = ( right + left ) * w;\n\t\tconst y = ( top + bottom ) * h;\n\t\tconst z = ( far + near ) * p;\n\n\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nMatrix4.prototype.isMatrix4 = true;\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\nclass Euler {\n\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DefaultOrder ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$1.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$1, order, update );\n\n\t}\n\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\treorder( newOrder ) {\n\n\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\ttoVector3( optionalResult ) {\n\n\t\tif ( optionalResult ) {\n\n\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t} else {\n\n\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t}\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nEuler.prototype.isEuler = true;\n\nEuler.DefaultOrder = 'XYZ';\nEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\nclass Layers {\n\n\tconstructor() {\n\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\tset( channel ) {\n\n\t\tthis.mask = ( 1 << channel | 0 ) >>> 0;\n\n\t}\n\n\tenable( channel ) {\n\n\t\tthis.mask |= 1 << channel | 0;\n\n\t}\n\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\ttoggle( channel ) {\n\n\t\tthis.mask ^= 1 << channel | 0;\n\n\t}\n\n\tdisable( channel ) {\n\n\t\tthis.mask &= ~ ( 1 << channel | 0 );\n\n\t}\n\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n\tisEnabled( channel ) {\n\n\t\treturn ( this.mask & ( 1 << channel | 0 ) ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\nconst _addedEvent = { type: 'added' };\nconst _removedEvent = { type: 'removed' };\n\nclass Object3D extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.animations = [];\n\n\t\tthis.userData = {};\n\n\t}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tonAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\tlocalToWorld( vector ) {\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\tworldToLocal( vector ) {\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\tobject.parent.remove( object );\n\n\t\t\t}\n\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== - 1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclear() {\n\n\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\tconst object = this.children[ i ];\n\n\t\t\tobject.parent = null;\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\tthis.children.length = 0;\n\n\t\treturn this;\n\n\n\t}\n\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\t// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tthis.add( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\treturn this;\n\n\t}\n\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\traycast() {}\n\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// update children\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.parent === null ) {\n\n\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t} else {\n\n\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t}\n\n\t\t// update children\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nObject3D.DefaultUp = new Vector3( 0, 1, 0 );\nObject3D.DefaultMatrixAutoUpdate = true;\n\nObject3D.prototype.isObject3D = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$1 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nclass Triangle {\n\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t}\n\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\t// arbitrary location outside of triangle?\n\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\treturn target.set( - 2, - 1, - 1 );\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\tthis.getBarycoord( point, a, b, c, _v3$1 );\n\n\t\treturn ( _v3$1.x >= 0 ) && ( _v3$1.y >= 0 ) && ( ( _v3$1.x + _v3$1.y ) <= 1 );\n\n\t}\n\n\tstatic getUV( point, p1, p2, p3, uv1, uv2, uv3, target ) {\n\n\t\tthis.getBarycoord( point, p1, p2, p3, _v3$1 );\n\n\t\ttarget.set( 0, 0 );\n\t\ttarget.addScaledVector( uv1, _v3$1.x );\n\t\ttarget.addScaledVector( uv2, _v3$1.y );\n\t\ttarget.addScaledVector( uv3, _v3$1.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAttributeAndIndices( attribute, i0, i1, i2 ) {\n\n\t\tthis.a.fromBufferAttribute( attribute, i0 );\n\t\tthis.b.fromBufferAttribute( attribute, i1 );\n\t\tthis.c.fromBufferAttribute( attribute, i2 );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\tgetUV( point, uv1, uv2, uv3, target ) {\n\n\t\treturn Triangle.getUV( point, this.a, this.b, this.c, uv1, uv2, uv3, target );\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nlet materialId = 0;\n\nclass Material extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: materialId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.vertexColors = false;\n\n\t\tthis.opacity = 1;\n\t\tthis.format = RGBAFormat;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.stencilWriteMask = 0xff;\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\t\tthis.stencilRef = 0;\n\t\tthis.stencilFuncMask = 0xff;\n\t\tthis.stencilFail = KeepStencilOp;\n\t\tthis.stencilZFail = KeepStencilOp;\n\t\tthis.stencilZPass = KeepStencilOp;\n\t\tthis.stencilWrite = false;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.shadowSide = null;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.dithering = false;\n\n\t\tthis.alphaToCoverage = false;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.visible = true;\n\n\t\tthis.toneMapped = true;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\tonBuild( /* shaderobject, renderer */ ) {}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {}\n\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Material: \\'' + key + '\\' parameter is undefined.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// for backward compatability if shading is set in the constructor\n\t\t\tif ( key === 'shading' ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\t\tthis.flatShading = ( newValue === FlatShading ) ? true : false;\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': \\'' + key + '\\' is not a property of this material.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRoot = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRoot ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheen !== undefined ) data.sheen = this.sheen;\n\t\tif ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex();\n\t\tif ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness;\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.format !== RGBAFormat ) data.format = this.format;\n\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\tdata.depthFunc = this.depthFunc;\n\t\tdata.depthTest = this.depthTest;\n\t\tdata.depthWrite = this.depthWrite;\n\t\tdata.colorWrite = this.colorWrite;\n\n\t\tdata.stencilWrite = this.stencilWrite;\n\t\tdata.stencilWriteMask = this.stencilWriteMask;\n\t\tdata.stencilFunc = this.stencilFunc;\n\t\tdata.stencilRef = this.stencilRef;\n\t\tdata.stencilFuncMask = this.stencilFuncMask;\n\t\tdata.stencilFail = this.stencilFail;\n\t\tdata.stencilZFail = this.stencilZFail;\n\t\tdata.stencilZPass = this.stencilZPass;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = this.alphaToCoverage;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\n\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = this.flatShading;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRoot ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.fog = source.fog;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.format = source.format;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nMaterial.prototype.isMaterial = true;\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\nclass Color {\n\n\tconstructor( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tset( value ) {\n\n\t\tif ( value && value.isColor ) {\n\n\t\t\tthis.copy( value );\n\n\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\tthis.setHex( value );\n\n\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\tthis.setStyle( value );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetHex( hex ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\treturn this;\n\n\t}\n\n\tsetRGB( r, g, b ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\treturn this;\n\n\t}\n\n\tsetHSL( h, s, l ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetStyle( style ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^((?:rgb|hsl)a?)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\tconst h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\tconst s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\tconst l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetColorName( style ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\tcopyGammaToLinear( color, gammaFactor = 2.0 ) {\n\n\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToGamma( color, gammaFactor = 2.0 ) {\n\n\t\tconst safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\treturn this;\n\n\t}\n\n\tconvertGammaToLinear( gammaFactor ) {\n\n\t\tthis.copyGammaToLinear( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToGamma( gammaFactor ) {\n\n\t\tthis.copyLinearToGamma( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\tgetHex() {\n\n\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t}\n\n\tgetHexString() {\n\n\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t}\n\n\tgetHSL( target ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tconst r = this.r, g = this.g, b = this.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\tgetStyle() {\n\n\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t}\n\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\t_hslA.h += h; _hslA.s += s; _hslA.l += l;\n\n\t\tthis.setHSL( _hslA.h, _hslA.s, _hslA.l );\n\n\t\treturn this;\n\n\t}\n\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\tif ( attribute.normalized === true ) {\n\n\t\t\t// assuming Uint8Array\n\n\t\t\tthis.r /= 255;\n\t\t\tthis.g /= 255;\n\t\t\tthis.b /= 255;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n}\n\nColor.NAMES = _colorKeywords;\n\nColor.prototype.isColor = true;\nColor.prototype.r = 1;\nColor.prototype.g = 1;\nColor.prototype.b = 1;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *  map: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  specularMap: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n *  combine: THREE.Multiply,\n *  reflectivity: <float>,\n *  refractionRatio: <float>,\n *\n *  depthTest: <bool>,\n *  depthWrite: <bool>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n * }\n */\n\nclass MeshBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nclass BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.name = '';\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\tcopyColorsArray( colors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\tlet color = colors[ i ];\n\n\t\t\tif ( color === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\tcolor = new Color();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = color.r;\n\t\t\tarray[ offset ++ ] = color.g;\n\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector2sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector2();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector3sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector3();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector4sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector4();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.array[ index * this.itemSize ];\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.prototype.slice.call( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\t\tif ( this.updateRange.offset !== 0 || this.updateRange.count !== - 1 ) data.updateRange = this.updateRange;\n\n\t\treturn data;\n\n\t}\n\n}\n\nBufferAttribute.prototype.isBufferAttribute = true;\n\n//\n\nclass Int8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nFloat16BufferAttribute.prototype.isFloat16BufferAttribute = true;\n\nclass Float32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float64BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float64Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nlet _id = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\nclass BufferGeometry extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _id ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\t\tthis.morphTargetsRelative = false;\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\tthis.userData = {};\n\n\t}\n\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayMax( index ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tconst position = [];\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tconst point = points[ i ];\n\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t}\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$1.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$1.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$1.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$1.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst indices = index.array;\n\t\tconst positions = attributes.position.array;\n\t\tconst normals = attributes.normal.array;\n\t\tconst uvs = attributes.uv.array;\n\n\t\tconst nVertices = positions.length / 3;\n\n\t\tif ( attributes.tangent === undefined ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * nVertices ), 4 ) );\n\n\t\t}\n\n\t\tconst tangents = attributes.tangent.array;\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < nVertices; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: indices.length\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindices[ j + 0 ],\n\t\t\t\t\tindices[ j + 1 ],\n\t\t\t\t\tindices[ j + 2 ]\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromArray( normals, v * 3 );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? - 1.0 : 1.0;\n\n\t\t\ttangents[ v * 4 ] = tmp.x;\n\t\t\ttangents[ v * 4 + 1 ] = tmp.y;\n\t\t\ttangents[ v * 4 + 2 ] = tmp.z;\n\t\t\ttangents[ v * 4 + 3 ] = w;\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( indices[ j + 0 ] );\n\t\t\t\thandleVertex( indices[ j + 1 ] );\n\t\t\t\thandleVertex( indices[ j + 2 ] );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tmerge( geometry, offset ) {\n\n\t\tif ( ! ( geometry && geometry.isBufferGeometry ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( offset === undefined ) {\n\n\t\t\toffset = 0;\n\n\t\t\tconsole.warn(\n\t\t\t\t'THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. '\n\t\t\t\t+ 'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.'\n\t\t\t);\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\tconst attribute1 = attributes[ key ];\n\t\t\tconst attributeArray1 = attribute1.array;\n\n\t\t\tconst attribute2 = geometry.attributes[ key ];\n\t\t\tconst attributeArray2 = attribute2.array;\n\n\t\t\tconst attributeOffset = attribute2.itemSize * offset;\n\t\t\tconst length = Math.min( attributeArray2.length, attributeArray1.length - attributeOffset );\n\n\t\t\tfor ( let i = 0, j = attributeOffset; i < length; i ++, j ++ ) {\n\n\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = {\n\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\tradius: boundingSphere.radius\n\t\t\t};\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\t return new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone( data ) );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\t// geometry generator parameters\n\n\t\tif ( source.parameters !== undefined ) this.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nBufferGeometry.prototype.isBufferGeometry = true;\n\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _tempB = /*@__PURE__*/ new Vector3();\nconst _tempC = /*@__PURE__*/ new Vector3();\n\nconst _morphA = /*@__PURE__*/ new Vector3();\nconst _morphB = /*@__PURE__*/ new Vector3();\nconst _morphC = /*@__PURE__*/ new Vector3();\n\nconst _uvA$1 = /*@__PURE__*/ new Vector2();\nconst _uvB$1 = /*@__PURE__*/ new Vector2();\nconst _uvC$1 = /*@__PURE__*/ new Vector2();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\nclass Mesh extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$3.copy( geometry.boundingSphere );\n\t\t_sphere$3.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$3 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// Check boundingBox before continuing\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\tlet intersection;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\t\t\tconst uv = geometry.attributes.uv;\n\t\t\tconst uv2 = geometry.attributes.uv2;\n\t\t\tconst groups = geometry.groups;\n\t\t\tconst drawRange = geometry.drawRange;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\t// indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\t// non-indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = i;\n\t\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n}\n\nMesh.prototype.isMesh = true;\n\nfunction checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkBufferGeometryIntersection( object, material, raycaster, ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ) {\n\n\t_vA$1.fromBufferAttribute( position, a );\n\t_vB$1.fromBufferAttribute( position, b );\n\t_vC$1.fromBufferAttribute( position, c );\n\n\tconst morphInfluences = object.morphTargetInfluences;\n\n\tif ( morphPosition && morphInfluences ) {\n\n\t\t_morphA.set( 0, 0, 0 );\n\t\t_morphB.set( 0, 0, 0 );\n\t\t_morphC.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\tconst influence = morphInfluences[ i ];\n\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t_tempA.fromBufferAttribute( morphAttribute, a );\n\t\t\t_tempB.fromBufferAttribute( morphAttribute, b );\n\t\t\t_tempC.fromBufferAttribute( morphAttribute, c );\n\n\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\t\t\t\t_morphB.addScaledVector( _tempB, influence );\n\t\t\t\t_morphC.addScaledVector( _tempC, influence );\n\n\t\t\t} else {\n\n\t\t\t\t_morphA.addScaledVector( _tempA.sub( _vA$1 ), influence );\n\t\t\t\t_morphB.addScaledVector( _tempB.sub( _vB$1 ), influence );\n\t\t\t\t_morphC.addScaledVector( _tempC.sub( _vC$1 ), influence );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_vA$1.add( _morphA );\n\t\t_vB$1.add( _morphB );\n\t\t_vC$1.add( _morphC );\n\n\t}\n\n\tif ( object.isSkinnedMesh ) {\n\n\t\tobject.boneTransform( a, _vA$1 );\n\t\tobject.boneTransform( b, _vB$1 );\n\t\tobject.boneTransform( c, _vC$1 );\n\n\t}\n\n\tconst intersection = checkIntersection( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tif ( uv ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv, c );\n\n\t\t\tintersection.uv = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv2 ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv2, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv2, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv2, c );\n\n\t\t\tintersection.uv2 = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\n\t}\n\n\treturn intersection;\n\n}\n\nclass BoxGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Uniform Utilities\n */\n\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\n/**\n * parameters = {\n *  defines: { \"label\" : \"value\" },\n *  uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n *\n *  fragmentShader: <string>,\n *  vertexShader: <string>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n *  lights: <bool>\n * }\n */\n\nclass ShaderMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = default_vertex;\n\t\tthis.fragmentShader = default_fragment;\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\nShaderMaterial.prototype.isShaderMaterial = true;\n\nclass Camera extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\tthis.projectionMatrix = new Matrix4();\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\treturn this;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nCamera.prototype.isCamera = true;\n\nclass PerspectiveCamera extends Camera {\n\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Calculates the focal length from the current .fov and .filmGauge.\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *\n\t *   +---+---+---+\n\t *   | A | B | C |\n\t *   +---+---+---+\n\t *   | D | E | F |\n\t *   +---+---+---+\n\t *\n\t * then for each monitor you would call it like this\n\t *\n\t *   const w = 1920;\n\t *   const h = 1080;\n\t *   const fullWidth = w * 3;\n\t *   const fullHeight = h * 2;\n\t *\n\t *   --A--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t *   --B--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t *   --C--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t *   --D--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t *   --E--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t *   --F--\n\t *   camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t *\n\t *   Note there is no reason monitors have to be the same size or in a grid.\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = - 0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nPerspectiveCamera.prototype.isPerspectiveCamera = true;\n\nconst fov = 90, aspect = 1;\n\nclass CubeCamera extends Object3D {\n\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget !== true ) {\n\n\t\t\tconsole.error( 'THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.renderTarget = renderTarget;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst renderTarget = this.renderTarget;\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0 );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1 );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2 );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3 );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4 );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5 );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t}\n\n}\n\nclass CubeTexture extends Texture {\n\n\tconstructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\nCubeTexture.prototype.isCubeTexture = true;\n\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( size, options, dummy ) {\n\n\t\tif ( Number.isInteger( options ) ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )' );\n\n\t\t\toptions = dummy;\n\n\t\t}\n\n\t\tsuper( size, size, options );\n\n\t\toptions = options || {};\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture = new CubeTexture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.texture._needsFlipEnvMap = false;\n\n\t}\n\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.format = RGBAFormat; // see #18859\n\t\tthis.texture.encoding = texture.encoding;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\tclear( renderer, color, depth, stencil ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\nWebGLCubeRenderTarget.prototype.isWebGLCubeRenderTarget = true;\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\nclass Plane {\n\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\t// normal is assumed to be normalized\n\n\t\tthis.normal = normal;\n\t\tthis.constant = constant;\n\n\t}\n\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.constant *= - 1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point );\n\n\t}\n\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t}\n\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nPlane.prototype.isPlane = true;\n\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\nclass Frustum {\n\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromProjectionMatrix( m ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\tintersectsObject( object ) {\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$2.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$2.center.set( 0, 0, 0 );\n\t\t_sphere$2.radius = 0.7071067811865476;\n\t\t_sphere$2.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$7.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$7.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$7.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$7 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type = 5126;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = 5126;\n\n\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.' );\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\ttype = 5131;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\ttype = 5123;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = 5122;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = 5125;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = 5124;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = 5120;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = 5121;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = 5121;\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRange = attribute.updateRange;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRange.count === - 1 ) {\n\n\t\t\t// Not using update ranges\n\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, updateRange.offset, updateRange.count );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray.subarray( updateRange.offset, updateRange.offset + updateRange.count ) );\n\n\t\t\t}\n\n\t\t\tupdateRange.count = - 1; // reset range\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nclass PlaneGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( V * D );\\n}\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float dotNH ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tfloat invAlpha = 1.0 / alpha;\\n\\tfloat cos2h = dotNH * dotNH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float dotNV, float dotNL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\\n}\\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat D = D_Charlie( sheenRoughness, dotNH );\\n\\tfloat V = V_Neubelt( dotNV, dotNL );\\n\\treturn sheenColor * ( D * V );\\n}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\\n\\t\\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\tplane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\tif ( clipped ) discard;\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal;\\n#endif\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nmat3 transposeMat3( const in mat3 m ) {\\n\\tmat3 tmp;\\n\\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\\n\\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\\n\\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\\n\\treturn tmp;\\n}\\nfloat linearToRelativeLuminance( const in vec3 color ) {\\n\\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\\n\\treturn dot( weights, color.rgb );\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_maxMipLevel 8.0\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_maxTileSize 256.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\\n\\t\\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\\n\\t\\tvec2 f = fract( uv );\\n\\t\\tuv += 0.5 - f;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tif ( mipInt < cubeUV_maxMipLevel ) {\\n\\t\\t\\tuv.y += 2.0 * cubeUV_maxTileSize;\\n\\t\\t}\\n\\t\\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\\n\\t\\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\\n\\t\\tuv *= texelSize;\\n\\t\\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x += texelSize;\\n\\t\\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.y += texelSize;\\n\\t\\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x -= texelSize;\\n\\t\\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tvec3 tm = mix( tl, tr, f.x );\\n\\t\\tvec3 bm = mix( bl, br, f.x );\\n\\t\\treturn mix( tm, bm, f.y );\\n\\t}\\n\\t#define r0 1.0\\n\\t#define v0 0.339\\n\\t#define m0 - 2.0\\n\\t#define r1 0.8\\n\\t#define v1 0.276\\n\\t#define m1 - 1.0\\n\\t#define r4 0.4\\n\\t#define v4 0.046\\n\\t#define m4 2.0\\n\\t#define r5 0.305\\n\\t#define v5 0.016\\n\\t#define m5 3.0\\n\\t#define r6 0.21\\n\\t#define v6 0.0038\\n\\t#define m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= r1 ) {\\n\\t\\t\\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\\n\\t\\t} else if ( roughness >= r4 ) {\\n\\t\\t\\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\\n\\t\\t} else if ( roughness >= r5 ) {\\n\\t\\t\\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\\n\\t\\t} else if ( roughness >= r6 ) {\\n\\t\\t\\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_INSTANCING\\n\\tmat3 m = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\\n\\ttransformedNormal = m * transformedNormal;\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar encodings_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n\\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n\\tfloat maxComponent = max( max( value.r, value.g ), value.b );\\n\\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n\\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n\\tM = ceil( M * 255.0 ) / 255.0;\\n\\treturn vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat D = max( maxRange / maxRGB, 1.0 );\\n\\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\\n\\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\t\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn texture2D( gradientMap, coord ).rgb;\\n\\t#else\\n\\t\\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\\n\\t#endif\\n}\";\n\nvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tlightMapIrradiance *= PI;\\n\\t#endif\\n\\treflectedLight.indirectDiffuse += lightMapIrradiance;\\n#endif\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\nvIndirectFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n\\tvIndirectBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\\n#ifdef DOUBLE_SIDED\\n\\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\\n\\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\nuniform vec3 lightProbe[ 9 ];\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\\n\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t}\\n\\t\\treturn distanceFalloff;\\n\\t#else\\n\\t\\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\\n\\t\\t\\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t#endif\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\\n\\t\\tfloat dotNL = dot( normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#if defined( USE_ENVMAP )\\n\\t#ifdef ENVMAP_MODE_REFRACTION\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n\\tvec3 getIBLIrradiance( const in vec3 normal ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 reflectVec;\\n\\t\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\t\\treflectVec = reflect( - viewDir, normal );\\n\\t\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\treflectVec = refract( - viewDir, normal, refractionRatio );\\n\\t\\t\\t#endif\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\t#ifdef SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularColorFactor = specularColor;\\n\\t\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\t\\tspecularColorFactor *= specularColorMapTexelToLinear( texture2D( specularColorMap, vUv ) ).rgb;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularColorFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenColor = sheenColor;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tmaterial.sheenColor *= sheenColorMapTexelToLinear( texture2D( sheenColorMap, vUv ) ).rgb;\\n\\t#endif\\n\\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\\n\\t#endif\\n#endif\";\n\nvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenColor;\\n\\t\\tfloat sheenRoughness;\\n\\t#endif\\n};\\nvec3 clearcoatSpecular = vec3( 0.0 );\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\\n\\treturn fab;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\tvec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometry.normal;\\n\\t\\tvec3 viewDir = geometry.viewDir;\\n\\t\\tvec3 position = geometry.position;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3(    0, 1,    0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\treflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\\n\\t#endif\\n\\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\n#ifdef USE_CLEARCOAT\\n\\tgeometry.clearcoatNormal = clearcoatNormal;\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometry.normal );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t\\tvarying float vIsPerspective;\\n\\t#else\\n\\t\\tuniform float logDepthBufFC;\\n\\t#endif\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n\\t#else\\n\\t\\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\\n\\t\\t\\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\\n\\t\\t\\tgl_Position.z *= gl_Position.w;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, uv );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tuniform mat3 uvTransform;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t}\\n\\t#else\\n\\t\\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\\n\\t\\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\\n\\t\\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\\n\\t\\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\\n\\t#endif\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\tuniform float morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\t\\tuniform sampler2DArray morphTargetsTexture;\\n\\t\\tuniform vec2 morphTargetsTextureSize;\\n\\t\\tvec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) {\\n\\t\\t\\tfloat texelIndex = float( vertexIndex * stride + offset );\\n\\t\\t\\tfloat y = floor( texelIndex / morphTargetsTextureSize.x );\\n\\t\\t\\tfloat x = texelIndex - y * morphTargetsTextureSize.x;\\n\\t\\t\\tvec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex );\\n\\t\\t\\treturn texture( morphTargetsTexture, morphUV ).xyz;\\n\\t\\t}\\n\\t#else\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\tuniform float morphTargetInfluences[ 8 ];\\n\\t\\t#else\\n\\t\\t\\tuniform float morphTargetInfluences[ 4 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ];\\n\\t\\t\\t#else\\n\\t\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t#else\\n\\t\\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\\n\\t\\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\\n\\t\\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\\n\\t\\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\\n\\t\\t\\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\\n\\t\\t\\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\\n\\t\\t\\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\t#ifdef USE_TANGENT\\n\\t\\tvec3 tangent = normalize( vTangent );\\n\\t\\tvec3 bitangent = normalize( vBitangent );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\ttangent = tangent * faceDirection;\\n\\t\\t\\tbitangent = bitangent * faceDirection;\\n\\t\\t#endif\\n\\t\\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tmat3 vTBN = mat3( tangent, bitangent, normal );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\nvec3 geometryNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef OBJECTSPACE_NORMALMAP\\n\\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( TANGENTSPACE_NORMALMAP )\\n\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tnormal = normalize( vTBN * mapN );\\n\\t#else\\n\\t\\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\\n\\t#endif\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef OBJECTSPACE_NORMALMAP\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\\n\\t\\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\\n\\t\\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\\n\\t\\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = geometryNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\\n\\t#else\\n\\t\\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\\n\\t#endif\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\";\n\nvar output_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= transmissionAlpha + 0.1;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nvec4 pack2HalfToRGBA( vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n\\treturn linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\tfloat hard_shadow = step( compare , distribution.x );\\n\\t\\tif (hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x ;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t  f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t  f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn shadow;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\tdp += shadowBias;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\tvec4 shadowWorldPosition;\\n\\t#endif\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform highp sampler2D boneTexture;\\n\\t\\tuniform int boneTextureSize;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureSize ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureSize ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureSize );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureSize );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3(  1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108,  1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605,  1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tfloat transmissionAlpha = 1.0;\\n\\tfloat transmissionFactor = transmission;\\n\\tfloat thicknessFactor = thickness;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmission = getIBLVolumeRefraction(\\n\\t\\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\\n\\t\\tattenuationColor, attenuationDistance );\\n\\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\\n\\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tvec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( float roughness, float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) {\\n\\t\\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tif ( attenuationDistance == 0.0 ) {\\n\\t\\t\\treturn radiance;\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance * radiance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90,\\n\\t\\tvec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness,\\n\\t\\tvec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\trefractionCoords += 1.0;\\n\\t\\trefractionCoords /= 2.0;\\n\\t\\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\\n\\tvarying vec2 vUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#ifdef USE_UV\\n\\t#ifdef UVS_VERTEX_ONLY\\n\\t\\tvec2 vUv;\\n\\t#else\\n\\t\\tvarying vec2 vUv;\\n\\t#endif\\n\\tuniform mat3 uvTransform;\\n#endif\";\n\nvar uv_vertex = \"#ifdef USE_UV\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n#endif\";\n\nvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\nvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n\\tuniform mat3 uv2Transform;\\n#endif\";\n\nvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nconst vertex$g = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nconst fragment$g = \"uniform sampler2D t2D;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tvec4 texColor = texture2D( t2D, vUv );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n}\";\n\nconst vertex$f = \"varying vec3 vWorldDirection;\\n#include <common>\\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include <begin_vertex>\\n\\t#include <project_vertex>\\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$f = \"#include <envmap_common_pars_fragment>\\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\n#include <cube_uv_reflection_fragment>\\nvoid main() {\\n\\tvec3 vReflect = vWorldDirection;\\n\\t#include <envmap_fragment>\\n\\tgl_FragColor = envColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n}\";\n\nconst vertex$e = \"#include <common>\\n#include <uv_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include <beginnormal_vertex>\\n\\t\\t#include <morphnormal_vertex>\\n\\t\\t#include <skinnormal_vertex>\\n\\t#endif\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nconst fragment$e = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include <common>\\n#include <packing>\\n#include <uv_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include <map_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <logdepthbuf_fragment>\\n\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#endif\\n}\";\n\nconst vertex$d = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include <beginnormal_vertex>\\n\\t\\t#include <morphnormal_vertex>\\n\\t\\t#include <skinnormal_vertex>\\n\\t#endif\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nconst fragment$d = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include <common>\\n#include <packing>\\n#include <uv_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main () {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include <map_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nconst vertex$c = \"varying vec3 vWorldDirection;\\n#include <common>\\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include <begin_vertex>\\n\\t#include <project_vertex>\\n}\";\n\nconst fragment$c = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include <common>\\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tvec4 texColor = texture2D( tEquirect, sampleUV );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n}\";\n\nconst vertex$b = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include <common>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include <color_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nconst fragment$b = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include <common>\\n#include <color_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <color_fragment>\\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n}\";\n\nconst vertex$a = \"#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <envmap_pars_vertex>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include <beginnormal_vertex>\\n\\t\\t#include <morphnormal_vertex>\\n\\t\\t#include <skinbase_vertex>\\n\\t\\t#include <skinnormal_vertex>\\n\\t\\t#include <defaultnormal_vertex>\\n\\t#endif\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <envmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nconst fragment$a = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include <common>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <envmap_common_pars_fragment>\\n#include <envmap_pars_fragment>\\n#include <cube_uv_reflection_fragment>\\n#include <fog_pars_fragment>\\n#include <specularmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <specularmap_fragment>\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include <aomap_fragment>\\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include <envmap_fragment>\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nconst vertex$9 = \"#define LAMBERT\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <envmap_pars_vertex>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <shadowmap_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <envmap_vertex>\\n\\t#include <lights_lambert_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nconst fragment$9 = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <emissivemap_pars_fragment>\\n#include <envmap_common_pars_fragment>\\n#include <envmap_pars_fragment>\\n#include <cube_uv_reflection_fragment>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <fog_pars_fragment>\\n#include <shadowmap_pars_fragment>\\n#include <shadowmask_pars_fragment>\\n#include <specularmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <specularmap_fragment>\\n\\t#include <emissivemap_fragment>\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vIndirectFront;\\n\\t#endif\\n\\t#include <lightmap_fragment>\\n\\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include <aomap_fragment>\\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include <envmap_fragment>\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nconst vertex$8 = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <color_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <fog_vertex>\\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nconst fragment$8 = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <normal_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t\\tmatcapColor = matcapTexelToLinear( matcapColor );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nconst vertex$7 = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$7 = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include <packing>\\n#include <uv_pars_fragment>\\n#include <normal_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\\n}\";\n\nconst vertex$6 = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <envmap_pars_vertex>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <shadowmap_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include <worldpos_vertex>\\n\\t#include <envmap_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nconst fragment$6 = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <emissivemap_pars_fragment>\\n#include <envmap_common_pars_fragment>\\n#include <envmap_pars_fragment>\\n#include <cube_uv_reflection_fragment>\\n#include <fog_pars_fragment>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <normal_pars_fragment>\\n#include <lights_phong_pars_fragment>\\n#include <shadowmap_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <specularmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <specularmap_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\t#include <emissivemap_fragment>\\n\\t#include <lights_phong_fragment>\\n\\t#include <lights_fragment_begin>\\n\\t#include <lights_fragment_maps>\\n\\t#include <lights_fragment_end>\\n\\t#include <aomap_fragment>\\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include <envmap_fragment>\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nconst vertex$5 = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <shadowmap_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include <worldpos_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$5 = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularColor;\\n\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\tuniform sampler2D specularColorMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenColor;\\n\\tuniform float sheenRoughness;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tuniform sampler2D sheenColorMap;\\n\\t#endif\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tuniform sampler2D sheenRoughnessMap;\\n\\t#endif\\n#endif\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <emissivemap_pars_fragment>\\n#include <bsdfs>\\n#include <cube_uv_reflection_fragment>\\n#include <envmap_common_pars_fragment>\\n#include <envmap_physical_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <lights_pars_begin>\\n#include <normal_pars_fragment>\\n#include <lights_physical_pars_fragment>\\n#include <transmission_pars_fragment>\\n#include <shadowmap_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <clearcoat_pars_fragment>\\n#include <roughnessmap_pars_fragment>\\n#include <metalnessmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <roughnessmap_fragment>\\n\\t#include <metalnessmap_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\t#include <clearcoat_normal_fragment_begin>\\n\\t#include <clearcoat_normal_fragment_maps>\\n\\t#include <emissivemap_fragment>\\n\\t#include <lights_physical_fragment>\\n\\t#include <lights_fragment_begin>\\n\\t#include <lights_fragment_maps>\\n\\t#include <lights_fragment_end>\\n\\t#include <aomap_fragment>\\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include <transmission_fragment>\\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\\n\\t#endif\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nconst vertex$4 = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <uv2_pars_vertex>\\n#include <displacementmap_pars_vertex>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <normal_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <shadowmap_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\t#include <uv2_vertex>\\n\\t#include <color_vertex>\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <normal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <displacementmap_vertex>\\n\\t#include <project_vertex>\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include <worldpos_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nconst fragment$4 = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#include <color_pars_fragment>\\n#include <uv_pars_fragment>\\n#include <uv2_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <aomap_pars_fragment>\\n#include <lightmap_pars_fragment>\\n#include <emissivemap_pars_fragment>\\n#include <gradientmap_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <normal_pars_fragment>\\n#include <lights_toon_pars_fragment>\\n#include <shadowmap_pars_fragment>\\n#include <bumpmap_pars_fragment>\\n#include <normalmap_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\t#include <normal_fragment_begin>\\n\\t#include <normal_fragment_maps>\\n\\t#include <emissivemap_fragment>\\n\\t#include <lights_toon_fragment>\\n\\t#include <lights_fragment_begin>\\n\\t#include <lights_fragment_maps>\\n\\t#include <lights_fragment_end>\\n\\t#include <aomap_fragment>\\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n\\t#include <dithering_fragment>\\n}\";\n\nconst vertex$3 = \"uniform float size;\\nuniform float scale;\\n#include <common>\\n#include <color_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <color_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <project_vertex>\\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nconst fragment$3 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include <common>\\n#include <color_pars_fragment>\\n#include <map_particle_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_particle_fragment>\\n\\t#include <color_fragment>\\n\\t#include <alphatest_fragment>\\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n\\t#include <premultiplied_alpha_fragment>\\n}\";\n\nconst vertex$2 = \"#include <common>\\n#include <fog_pars_vertex>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <shadowmap_pars_vertex>\\nvoid main() {\\n\\t#include <beginnormal_vertex>\\n\\t#include <morphnormal_vertex>\\n\\t#include <skinbase_vertex>\\n\\t#include <skinnormal_vertex>\\n\\t#include <defaultnormal_vertex>\\n\\t#include <begin_vertex>\\n\\t#include <morphtarget_vertex>\\n\\t#include <skinning_vertex>\\n\\t#include <project_vertex>\\n\\t#include <worldpos_vertex>\\n\\t#include <shadowmap_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nconst fragment$2 = \"uniform vec3 color;\\nuniform float opacity;\\n#include <common>\\n#include <packing>\\n#include <fog_pars_fragment>\\n#include <bsdfs>\\n#include <lights_pars_begin>\\n#include <shadowmap_pars_fragment>\\n#include <shadowmask_pars_fragment>\\nvoid main() {\\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n}\";\n\nconst vertex$1 = \"uniform float rotation;\\nuniform vec2 center;\\n#include <common>\\n#include <uv_pars_vertex>\\n#include <fog_pars_vertex>\\n#include <logdepthbuf_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvoid main() {\\n\\t#include <uv_vertex>\\n\\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\tvec2 scale;\\n\\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\\n\\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include <logdepthbuf_vertex>\\n\\t#include <clipping_planes_vertex>\\n\\t#include <fog_vertex>\\n}\";\n\nconst fragment$1 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include <common>\\n#include <uv_pars_fragment>\\n#include <map_pars_fragment>\\n#include <alphamap_pars_fragment>\\n#include <alphatest_pars_fragment>\\n#include <fog_pars_fragment>\\n#include <logdepthbuf_pars_fragment>\\n#include <clipping_planes_pars_fragment>\\nvoid main() {\\n\\t#include <clipping_planes_fragment>\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include <logdepthbuf_fragment>\\n\\t#include <map_fragment>\\n\\t#include <alphamap_fragment>\\n\\t#include <alphatest_fragment>\\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include <output_fragment>\\n\\t#include <tonemapping_fragment>\\n\\t#include <encodings_fragment>\\n\\t#include <fog_fragment>\\n}\";\n\nconst ShaderChunk = {\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tencodings_fragment: encodings_fragment,\n\tencodings_pars_fragment: encodings_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_fragment: lightmap_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_vertex: lights_lambert_vertex,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\toutput_fragment: output_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tuv2_pars_fragment: uv2_pars_fragment,\n\tuv2_pars_vertex: uv2_pars_vertex,\n\tuv2_vertex: uv2_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_vert: vertex$g,\n\tbackground_frag: fragment$g,\n\tcube_vert: vertex$f,\n\tcube_frag: fragment$f,\n\tdepth_vert: vertex$e,\n\tdepth_frag: fragment$e,\n\tdistanceRGBA_vert: vertex$d,\n\tdistanceRGBA_frag: fragment$d,\n\tequirect_vert: vertex$c,\n\tequirect_frag: fragment$c,\n\tlinedashed_vert: vertex$b,\n\tlinedashed_frag: fragment$b,\n\tmeshbasic_vert: vertex$a,\n\tmeshbasic_frag: fragment$a,\n\tmeshlambert_vert: vertex$9,\n\tmeshlambert_frag: fragment$9,\n\tmeshmatcap_vert: vertex$8,\n\tmeshmatcap_frag: fragment$8,\n\tmeshnormal_vert: vertex$7,\n\tmeshnormal_frag: fragment$7,\n\tmeshphong_vert: vertex$6,\n\tmeshphong_frag: fragment$6,\n\tmeshphysical_vert: vertex$5,\n\tmeshphysical_frag: fragment$5,\n\tmeshtoon_vert: vertex$4,\n\tmeshtoon_frag: fragment$4,\n\tpoints_vert: vertex$3,\n\tpoints_frag: fragment$3,\n\tshadow_vert: vertex$2,\n\tshadow_frag: fragment$2,\n\tsprite_vert: vertex$1,\n\tsprite_frag: fragment$1\n};\n\n/**\n * Uniforms library for shared webgl shaders\n */\n\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tuvTransform: { value: new Matrix3() },\n\t\tuv2Transform: { value: new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tflipEnvMap: { value: - 1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // standard, physical\n\t\trefractionRatio: { value: 0.98 }\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotShadowMap: { value: [] },\n\t\tspotShadowMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 } // temporary\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\t/* -------------------------------------------------------------------------\n\t//\tCube map shader\n\t ------------------------------------------------------------------------- */\n\n\tcube: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.envmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatNormalScale: { value: new Vector2( 1, 1 ) },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tsheen: { value: 0 },\n\t\t\tsheenColor: { value: new Color( 0x000000 ) },\n\t\t\tsheenColorMap: { value: null },\n\t\t\tsheenRoughness: { value: 0 },\n\t\t\tsheenRoughnessMap: { value: null },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionSamplerSize: { value: new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationColor: { value: new Color( 0x000000 ) },\n\t\t\tspecularIntensity: { value: 0 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularColor: { value: new Color( 1, 1, 1 ) },\n\t\t\tspecularColorMap: { value: null },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nfunction WebGLBackground( renderer, cubemaps, state, objects, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = 0;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction render( renderList, scene ) {\n\n\t\tlet forceClear = false;\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tbackground = cubemaps.get( background );\n\n\t\t}\n\n\t\t// Ignore background in AR\n\t\t// TODO: Reconsider this.\n\n\t\tconst xr = renderer.xr;\n\t\tconst session = xr.getSession && xr.getSession();\n\n\t\tif ( session && session.environmentBlendMode === 'additive' ) {\n\n\t\t\tbackground = null;\n\n\t\t}\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.cube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.cube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.cube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tstate.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha );\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, extensions, attributes, capabilities ) {\n\n\tconst maxVertexAttributes = gl.getParameter( 34921 );\n\n\tconst extension = capabilities.isWebGL2 ? null : extensions.get( 'OES_vertex_array_object' );\n\tconst vaoAvailable = capabilities.isWebGL2 || extension !== null;\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tif ( vaoAvailable ) {\n\n\t\t\tconst state = getBindingState( geometry, program, material );\n\n\t\t\tif ( currentState !== state ) {\n\n\t\t\t\tcurrentState = state;\n\t\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t\t}\n\n\t\t\tupdateBuffers = needsUpdate( geometry, index );\n\n\t\t\tif ( updateBuffers ) saveCache( geometry, index );\n\n\t\t} else {\n\n\t\t\tconst wireframe = ( material.wireframe === true );\n\n\t\t\tif ( currentState.geometry !== geometry.id ||\n\t\t\t\tcurrentState.program !== program.id ||\n\t\t\t\tcurrentState.wireframe !== wireframe ) {\n\n\t\t\t\tcurrentState.geometry = geometry.id;\n\t\t\t\tcurrentState.program = program.id;\n\t\t\t\tcurrentState.wireframe = wireframe;\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh === true ) {\n\n\t\t\tupdateBuffers = true;\n\n\t\t}\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, 34963 );\n\n\t\t}\n\n\t\tif ( updateBuffers ) {\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( 34963, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.createVertexArray();\n\n\t\treturn extension.createVertexArrayOES();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.bindVertexArray( vao );\n\n\t\treturn extension.bindVertexArrayOES( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.deleteVertexArray( vao );\n\n\t\treturn extension.deleteVertexArrayOES( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( geometry, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in geometryAttributes ) {\n\n\t\t\tconst cachedAttribute = cachedAttributes[ key ];\n\t\t\tconst geometryAttribute = geometryAttributes[ key ];\n\n\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\tif ( cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( geometry, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tconst data = {};\n\t\t\tdata.attribute = attribute;\n\n\t\t\tif ( attribute.data ) {\n\n\t\t\t\tdata.data = attribute.data;\n\n\t\t\t}\n\n\t\t\tcache[ key ] = data;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tconst extension = capabilities.isWebGL2 ? gl : extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\textension[ capabilities.isWebGL2 ? 'vertexAttribDivisor' : 'vertexAttribDivisorANGLE' ]( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset ) {\n\n\t\tif ( capabilities.isWebGL2 === true && ( type === 5124 || type === 5125 ) ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tif ( capabilities.isWebGL2 === false && ( object.isInstancedMesh || geometry.isInstancedBufferGeometry ) ) {\n\n\t\t\tif ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) return;\n\n\t\t}\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatilibity\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawArraysInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawArraysInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36338 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36338 ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36337 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36337 ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\t/* eslint-disable no-undef */\n\tconst isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && gl instanceof WebGL2RenderingContext ) ||\n\t\t( typeof WebGL2ComputeRenderingContext !== 'undefined' && gl instanceof WebGL2ComputeRenderingContext );\n\t/* eslint-enable no-undef */\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst drawBuffers = isWebGL2 || extensions.has( 'WEBGL_draw_buffers' );\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\n\tconst maxTextures = gl.getParameter( 34930 );\n\tconst maxVertexTextures = gl.getParameter( 35660 );\n\tconst maxTextureSize = gl.getParameter( 3379 );\n\tconst maxCubemapSize = gl.getParameter( 34076 );\n\n\tconst maxAttributes = gl.getParameter( 34921 );\n\tconst maxVertexUniforms = gl.getParameter( 36347 );\n\tconst maxVaryings = gl.getParameter( 36348 );\n\tconst maxFragmentUniforms = gl.getParameter( 36349 );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\tconst floatFragmentTextures = isWebGL2 || extensions.has( 'OES_texture_float' );\n\tconst floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\tconst maxSamples = isWebGL2 ? gl.getParameter( 36183 ) : 0;\n\n\treturn {\n\n\t\tisWebGL2: isWebGL2,\n\n\t\tdrawBuffers: drawBuffers,\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\tfloatVertexTextures: floatVertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping, camera ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\t\tresetGlobalState();\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height / 2 );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nclass OrthographicCamera extends Camera {\n\n\tconstructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\nOrthographicCamera.prototype.isOrthographicCamera = true;\n\nclass RawShaderMaterial extends ShaderMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\nRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\nconst LOD_MIN = 4;\nconst LOD_MAX = 8;\nconst SIZE_MAX = Math.pow( 2, LOD_MAX );\n\n// The standard deviations (radians) associated with the extra mips. These are\n// chosen to approximate a Trowbridge-Reitz distribution function times the\n// geometric shadowing function. These sigma values squared must match the\n// variance #defines in cube_uv_reflection_fragment.glsl.js.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\nconst TOTAL_LODS = LOD_MAX - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\nconst MAX_SAMPLES = 20;\n\nconst ENCODINGS = {\n\t[ LinearEncoding ]: 0,\n\t[ sRGBEncoding ]: 1,\n\t[ RGBEEncoding ]: 2,\n\t[ RGBM7Encoding ]: 3,\n\t[ RGBM16Encoding ]: 4,\n\t[ RGBDEncoding ]: 5,\n\t[ GammaEncoding ]: 6\n};\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst { _lodPlanes, _sizeLods, _sigmas } = /*@__PURE__*/ _createPlanes();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\n\n// Golden Ratio\nconst PHI = ( 1 + Math.sqrt( 5 ) ) / 2;\nconst INV_PHI = 1 / PHI;\n\n// Vertices of a dodecahedron (except the opposites, which represent the\n// same axis), used as axis directions evenly spread on a sphere.\nconst _axisDirections = [\n\t/*@__PURE__*/ new Vector3( 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ),\n\t/*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ) ];\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * Paper: Fast, Accurate Image-Based Lighting\n * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view\n*/\n\nclass PMREMGenerator {\n\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._blurMaterial = _getBlurShader( MAX_SAMPLES );\n\t\tthis._equirectShader = null;\n\t\tthis._cubemapShader = null;\n\n\t\tthis._compileMaterial( this._blurMaterial );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety (the cubeCamera\n\t * is placed at the origin).\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100 ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromEquirectangular( equirectangular ) {\n\n\t\treturn this._fromTexture( equirectangular );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromCubemap( cubemap ) {\n\n\t\treturn this._fromTexture( cubemap );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapShader === null ) {\n\n\t\t\tthis._cubemapShader = _getCubemapShader();\n\t\t\tthis._compileMaterial( this._cubemapShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectShader === null ) {\n\n\t\t\tthis._equirectShader = _getEquirectShader();\n\t\t\tthis._compileMaterial( this._equirectShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._blurMaterial.dispose();\n\n\t\tif ( this._cubemapShader !== null ) this._cubemapShader.dispose();\n\t\tif ( this._equirectShader !== null ) this._equirectShader.dispose();\n\n\t\tfor ( let i = 0; i < _lodPlanes.length; i ++ ) {\n\n\t\t\t_lodPlanes[ i ].dispose();\n\n\t\t}\n\n\t}\n\n\t// private interface\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._pingPongRenderTarget.dispose();\n\t\tthis._renderer.setRenderTarget( _oldTarget );\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets( texture );\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets( texture ) { // warning: null texture is valid\n\n\t\tconst params = {\n\t\t\tmagFilter: NearestFilter,\n\t\t\tminFilter: NearestFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: UnsignedByteType,\n\t\t\tformat: RGBEFormat,\n\t\t\tencoding: _isLDR( texture ) ? texture.encoding : RGBEEncoding,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( params );\n\t\tcubeUVRenderTarget.depthBuffer = texture ? false : true;\n\t\tthis._pingPongRenderTarget = _createRenderTarget( params );\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst tmpMesh = new Mesh( _lodPlanes[ 0 ], material );\n\t\tthis._renderer.compile( tmpMesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, - 1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst outputEncoding = renderer.outputEncoding;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.outputEncoding = LinearEncoding;\n\t\trenderer.autoClear = false;\n\n\t\tconst backgroundMaterial = new MeshBasicMaterial( {\n\t\t\tname: 'PMREM.Background',\n\t\t\tside: BackSide,\n\t\t\tdepthWrite: false,\n\t\t\tdepthTest: false,\n\t\t} );\n\n\t\tconst backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial );\n\n\t\tlet useSolidColor = false;\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\t\t\tif ( col == 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( forwardSign[ i ], 0, 0 );\n\n\t\t\t} else if ( col == 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.lookAt( 0, forwardSign[ i ], 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( 0, 0, forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\t_setViewport( cubeUVRenderTarget,\n\t\t\t\tcol * SIZE_MAX, i > 2 ? SIZE_MAX : 0, SIZE_MAX, SIZE_MAX );\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\tbackgroundBox.geometry.dispose();\n\t\tbackgroundBox.material.dispose();\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.outputEncoding = outputEncoding;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_setEncoding( uniform, texture ) {\n\n\t\t/* if ( this._renderer.capabilities.isWebGL2 === true && texture.format === RGBAFormat && texture.type === UnsignedByteType && texture.encoding === sRGBEncoding ) {\n\n\t\t\tuniform.value = ENCODINGS[ LinearEncoding ];\n\n\t\t} else {\n\n\t\t\tuniform.value = ENCODINGS[ texture.encoding ];\n\n\t\t} */\n\n\t\tuniform.value = ENCODINGS[ texture.encoding ];\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tconst isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping );\n\n\t\tif ( isCubeTexture ) {\n\n\t\t\tif ( this._cubemapShader == null ) {\n\n\t\t\t\tthis._cubemapShader = _getCubemapShader();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( this._equirectShader == null ) {\n\n\t\t\t\tthis._equirectShader = _getEquirectShader();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = isCubeTexture ? this._cubemapShader : this._equirectShader;\n\t\tconst mesh = new Mesh( _lodPlanes[ 0 ], material );\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tif ( ! isCubeTexture ) {\n\n\t\t\tuniforms[ 'texelSize' ].value.set( 1.0 / texture.image.width, 1.0 / texture.image.height );\n\n\t\t}\n\n\t\tthis._setEncoding( uniforms[ 'inputEncoding' ], texture );\n\t\tthis._setEncoding( uniforms[ 'outputEncoding' ], cubeUVRenderTarget.texture );\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * SIZE_MAX, 2 * SIZE_MAX );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\n\t\tfor ( let i = 1; i < TOTAL_LODS; i ++ ) {\n\n\t\t\tconst sigma = Math.sqrt( _sigmas[ i ] * _sigmas[ i ] - _sigmas[ i - 1 ] * _sigmas[ i - 1 ] );\n\n\t\t\tconst poleAxis = _axisDirections[ ( i - 1 ) % _axisDirections.length ];\n\n\t\t\tthis._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\tconsole.error(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = new Mesh( _lodPlanes[ lodOut ], blurMaterial );\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = _sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\tconsole.warn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i == 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = LOD_MAX - lodIn;\n\n\t\tthis._setEncoding( blurUniforms[ 'inputEncoding' ], targetIn.texture );\n\t\tthis._setEncoding( blurUniforms[ 'outputEncoding' ], targetIn.texture );\n\n\t\tconst outputSize = _sizeLods[ lodOut ];\n\t\tconst x = 3 * Math.max( 0, SIZE_MAX - 2 * outputSize );\n\t\tconst y = ( lodOut === 0 ? 0 : 2 * SIZE_MAX ) + 2 * outputSize * ( lodOut > LOD_MAX - LOD_MIN ? lodOut - LOD_MAX + LOD_MIN : 0 );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\nfunction _isLDR( texture ) {\n\n\tif ( texture === undefined || texture.type !== UnsignedByteType ) return false;\n\n\treturn texture.encoding === LinearEncoding || texture.encoding === sRGBEncoding || texture.encoding === GammaEncoding;\n\n}\n\nfunction _createPlanes() {\n\n\tconst _lodPlanes = [];\n\tconst _sizeLods = [];\n\tconst _sigmas = [];\n\n\tlet lod = LOD_MAX;\n\n\tfor ( let i = 0; i < TOTAL_LODS; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\t_sizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > LOD_MAX - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - LOD_MAX + LOD_MIN - 1 ];\n\n\t\t} else if ( i == 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\t_sigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 1 );\n\t\tconst min = - texelSize / 2;\n\t\tconst max = 1 + texelSize / 2;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : - 1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\t_lodPlanes.push( planes );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { _lodPlanes, _sizeLods, _sigmas };\n\n}\n\nfunction _createRenderTarget( params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( 3 * SIZE_MAX, 3 * SIZE_MAX, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getBlurShader( maxSamples ) {\n\n\tconst weights = new Float32Array( maxSamples );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: { 'n': maxSamples },\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectShader() {\n\n\tconst texelSize = new Vector2( 1, 1 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'texelSize': { value: texelSize },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCubemapShader() {\n\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction _getEncodings() {\n\n\treturn /* glsl */`\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include <encodings_pars_fragment>\n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\t\tif ( cubeUVmaps.has( texture ) ) {\n\n\t\t\t\t\treturn cubeUVmaps.get( texture ).texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\tconst renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tlet extension;\n\n\t\tswitch ( name ) {\n\n\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\textension = gl.getExtension( name );\n\n\t\t}\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function ( capabilities ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\n\t\t\t} else {\n\n\t\t\t\tgetExtension( 'WEBGL_depth_texture' );\n\t\t\t\tgetExtension( 'OES_texture_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float_linear' );\n\t\t\t\tgetExtension( 'OES_standard_derivatives' );\n\t\t\t\tgetExtension( 'OES_element_index_uint' );\n\t\t\t\tgetExtension( 'OES_vertex_array_object' );\n\t\t\t\tgetExtension( 'ANGLE_instanced_arrays' );\n\n\t\t\t}\n\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\t\t\tgetExtension( 'WEBGL_multisampled_render_to_texture' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], 34962 );\n\n\t\t}\n\n\t\t// morph targets\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = morphAttributes[ name ];\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tattributes.update( array[ i ], 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst attribute = new ( arrayMax( indices ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawElementsInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawElementsInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 4:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase 1:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase 3:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase 2:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase 0:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.error( 'THREE.WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.frame ++;\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nclass DataTexture2DArray extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture2DArray.prototype.isDataTexture2DArray = true;\n\nfunction numericalSort( a, b ) {\n\n\treturn a[ 0 ] - b[ 0 ];\n\n}\n\nfunction absNumericalSort( a, b ) {\n\n\treturn Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] );\n\n}\n\nfunction denormalize( morph, attribute ) {\n\n\tlet denominator = 1;\n\tconst array = attribute.isInterleavedBufferAttribute ? attribute.data.array : attribute.array;\n\n\tif ( array instanceof Int8Array ) denominator = 127;\n\telse if ( array instanceof Int16Array ) denominator = 32767;\n\telse if ( array instanceof Int32Array ) denominator = 2147483647;\n\telse console.error( 'THREE.WebGLMorphtargets: Unsupported morph attribute data type: ', array );\n\n\tmorph.divideScalar( denominator );\n\n}\n\nfunction WebGLMorphtargets( gl, capabilities, textures ) {\n\n\tconst influencesList = {};\n\tconst morphInfluences = new Float32Array( 8 );\n\tconst morphTextures = new WeakMap();\n\tconst morph = new Vector3();\n\n\tconst workInfluences = [];\n\n\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\tworkInfluences[ i ] = [ i, 0 ];\n\n\t}\n\n\tfunction update( object, geometry, material, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tif ( capabilities.isWebGL2 === true ) {\n\n\t\t\t// instead of using attributes, the WebGL 2 code path encodes morph targets\n\t\t\t// into an array of data textures. Each layer represents a single morph target.\n\n\t\t\tconst numberOfMorphTargets = geometry.morphAttributes.position.length;\n\n\t\t\tlet entry = morphTextures.get( geometry );\n\n\t\t\tif ( entry === undefined || entry.count !== numberOfMorphTargets ) {\n\n\t\t\t\tif ( entry !== undefined ) entry.texture.dispose();\n\n\t\t\t\tconst hasMorphNormals = geometry.morphAttributes.normal !== undefined;\n\n\t\t\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\t\t\tconst morphNormals = geometry.morphAttributes.normal || [];\n\n\t\t\t\tconst numberOfVertices = geometry.attributes.position.count;\n\t\t\t\tconst numberOfVertexData = ( hasMorphNormals === true ) ? 2 : 1; // (v,n) vs. (v)\n\n\t\t\t\tlet width = numberOfVertices * numberOfVertexData;\n\t\t\t\tlet height = 1;\n\n\t\t\t\tif ( width > capabilities.maxTextureSize ) {\n\n\t\t\t\t\theight = Math.ceil( width / capabilities.maxTextureSize );\n\t\t\t\t\twidth = capabilities.maxTextureSize;\n\n\t\t\t\t}\n\n\t\t\t\tconst buffer = new Float32Array( width * height * 4 * numberOfMorphTargets );\n\n\t\t\t\tconst texture = new DataTexture2DArray( buffer, width, height, numberOfMorphTargets );\n\t\t\t\ttexture.format = RGBAFormat; // using RGBA since RGB might be emulated (and is thus slower)\n\t\t\t\ttexture.type = FloatType;\n\n\t\t\t\t// fill buffer\n\n\t\t\t\tconst vertexDataStride = numberOfVertexData * 4;\n\n\t\t\t\tfor ( let i = 0; i < numberOfMorphTargets; i ++ ) {\n\n\t\t\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\t\t\tconst morphNormal = morphNormals[ i ];\n\n\t\t\t\t\tconst offset = width * height * 4 * i;\n\n\t\t\t\t\tfor ( let j = 0; j < morphTarget.count; j ++ ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphTarget, j );\n\n\t\t\t\t\t\tif ( morphTarget.normalized === true ) denormalize( morph, morphTarget );\n\n\t\t\t\t\t\tconst stride = j * vertexDataStride;\n\n\t\t\t\t\t\tbuffer[ offset + stride + 0 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 1 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 2 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 3 ] = 0;\n\n\t\t\t\t\t\tif ( hasMorphNormals === true ) {\n\n\t\t\t\t\t\t\tmorph.fromBufferAttribute( morphNormal, j );\n\n\t\t\t\t\t\t\tif ( morphNormal.normalized === true ) denormalize( morph, morphNormal );\n\n\t\t\t\t\t\t\tbuffer[ offset + stride + 4 ] = morph.x;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 5 ] = morph.y;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 6 ] = morph.z;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 7 ] = 0;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tentry = {\n\t\t\t\t\tcount: numberOfMorphTargets,\n\t\t\t\t\ttexture: texture,\n\t\t\t\t\tsize: new Vector2( width, height )\n\t\t\t\t};\n\n\t\t\t\tmorphTextures.set( geometry, entry );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences );\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size );\n\n\n\t\t} else {\n\n\t\t\t// When object doesn't have morph target influences defined, we treat it as a 0-length array\n\t\t\t// This is important to make sure we set up morphTargetBaseInfluence / morphTargetInfluences\n\n\t\t\tconst length = objectInfluences === undefined ? 0 : objectInfluences.length;\n\n\t\t\tlet influences = influencesList[ geometry.id ];\n\n\t\t\tif ( influences === undefined || influences.length !== length ) {\n\n\t\t\t\t// initialise list\n\n\t\t\t\tinfluences = [];\n\n\t\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tinfluences[ i ] = [ i, 0 ];\n\n\t\t\t\t}\n\n\t\t\t\tinfluencesList[ geometry.id ] = influences;\n\n\t\t\t}\n\n\t\t\t// Collect influences\n\n\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\tconst influence = influences[ i ];\n\n\t\t\t\tinfluence[ 0 ] = i;\n\t\t\t\tinfluence[ 1 ] = objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tinfluences.sort( absNumericalSort );\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tif ( i < length && influences[ i ][ 1 ] ) {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = influences[ i ][ 0 ];\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = influences[ i ][ 1 ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = Number.MAX_SAFE_INTEGER;\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tworkInfluences.sort( numericalSort );\n\n\t\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\t\tconst morphNormals = geometry.morphAttributes.normal;\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tconst influence = workInfluences[ i ];\n\t\t\t\tconst index = influence[ 0 ];\n\t\t\t\tconst value = influence[ 1 ];\n\n\t\t\t\tif ( index !== Number.MAX_SAFE_INTEGER && value ) {\n\n\t\t\t\t\tif ( morphTargets && geometry.getAttribute( 'morphTarget' + i ) !== morphTargets[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphTarget' + i, morphTargets[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.getAttribute( 'morphNormal' + i ) !== morphNormals[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphNormal' + i, morphNormals[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = value;\n\t\t\t\t\tmorphInfluencesSum += value;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( morphTargets && geometry.hasAttribute( 'morphTarget' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphTarget' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.hasAttribute( 'morphNormal' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// GLSL shader uses formula baseinfluence * base + sum(target * influence)\n\t\t\t// This allows us to switch between absolute morphs and relative morphs without changing shader code\n\t\t\t// When baseinfluence = 1 - sum(influence), the above is equivalent to sum((target - base) * influence)\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tattributes.update( object.instanceMatrix, 34962 );\n\n\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\tattributes.update( object.instanceColor, 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\nclass DataTexture3D extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in DataTexture3D directly.\n\t\t//\n\t\t//\tconst texture = new THREE.DataTexture3D( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture3D.prototype.isDataTexture3D = true;\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n *  \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with  name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\nconst emptyTexture = new Texture();\nconst emptyTexture2dArray = new DataTexture2DArray();\nconst emptyTexture3d = new DataTexture3D();\nconst emptyCubeTexture = new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTexture2D( v || emptyTexture, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || emptyTexture3d, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyTexture2dArray, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / 3D / Cube / 2DArray)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT3DArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture3D( v[ i ] || emptyTexture3d, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT2DArrayArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2DArray( v[ i ] || emptyTexture2dArray, units[ i ] );\n\n\t}\n\n}\n\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3DArray;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArrayArray;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nfunction SingleUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.size = activeInfo.size;\n\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nPureArrayUniform.prototype.updateCache = function ( data ) {\n\n\tconst cache = this.cache;\n\n\tif ( data instanceof Float32Array && cache.length !== data.length ) {\n\n\t\tthis.cache = new Float32Array( data.length );\n\n\t}\n\n\tcopyArray( cache, data );\n\n};\n\nfunction StructuredUniform( id ) {\n\n\tthis.id = id;\n\n\tthis.seq = [];\n\tthis.map = {};\n\n}\n\nStructuredUniform.prototype.setValue = function ( gl, value, textures ) {\n\n\tconst seq = this.seq;\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t}\n\n};\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n//  - followed by an optional right bracket (found when array index)\n//  - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nfunction WebGLUniforms( gl, program ) {\n\n\tthis.seq = [];\n\tthis.map = {};\n\n\tconst n = gl.getProgramParameter( program, 35718 );\n\n\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\tparseUniform( info, addr, this );\n\n\t}\n\n}\n\nWebGLUniforms.prototype.setValue = function ( gl, name, value, textures ) {\n\n\tconst u = this.map[ name ];\n\n\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n};\n\nWebGLUniforms.prototype.setOptional = function ( gl, object, name ) {\n\n\tconst v = object[ name ];\n\n\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n};\n\n\n// Static interface\n\nWebGLUniforms.upload = function ( gl, seq, values, textures ) {\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ],\n\t\t\tv = values[ u.id ];\n\n\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t}\n\n\t}\n\n};\n\nWebGLUniforms.seqWithValue = function ( seq, values ) {\n\n\tconst r = [];\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tif ( u.id in values ) r.push( u );\n\n\t}\n\n\treturn r;\n\n};\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\nlet programIdCount = 0;\n\nfunction addLineNumbers( string ) {\n\n\tconst lines = string.split( '\\n' );\n\n\tfor ( let i = 0; i < lines.length; i ++ ) {\n\n\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t}\n\n\treturn lines.join( '\\n' );\n\n}\n\nfunction getEncodingComponents( encoding ) {\n\n\tswitch ( encoding ) {\n\n\t\tcase LinearEncoding:\n\t\t\treturn [ 'Linear', '( value )' ];\n\t\tcase sRGBEncoding:\n\t\t\treturn [ 'sRGB', '( value )' ];\n\t\tcase RGBEEncoding:\n\t\t\treturn [ 'RGBE', '( value )' ];\n\t\tcase RGBM7Encoding:\n\t\t\treturn [ 'RGBM', '( value, 7.0 )' ];\n\t\tcase RGBM16Encoding:\n\t\t\treturn [ 'RGBM', '( value, 16.0 )' ];\n\t\tcase RGBDEncoding:\n\t\t\treturn [ 'RGBD', '( value, 256.0 )' ];\n\t\tcase GammaEncoding:\n\t\t\treturn [ 'Gamma', '( value, float( GAMMA_FACTOR ) )' ];\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported encoding:', encoding );\n\t\t\treturn [ 'Linear', '( value )' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, 35713 );\n\tconst errors = gl.getShaderInfoLog( shader ).trim();\n\n\tif ( status && errors === '' ) return '';\n\n\t// --enable-privileged-webgl-extension\n\t// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + addLineNumbers( gl.getShaderSource( shader ) );\n\n}\n\nfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return ' + components[ 0 ] + 'ToLinear' + components[ 1 ] + '; }';\n\n}\n\nfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }';\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'OptimizedCineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nfunction generateExtensions( parameters ) {\n\n\tconst chunks = [\n\t\t( parameters.extensionDerivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === 'physical' ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t( parameters.extensionFragDepth || parameters.logarithmicDepthBuffer ) && parameters.rendererExtensionFragDepth ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t( parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t( parameters.extensionShaderTextureLOD || parameters.envMap || parameters.transmission ) && parameters.rendererExtensionShaderTextureLod ? '#extension GL_EXT_shader_texture_lod : enable' : ''\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, 35721 );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === 35674 ) locationSize = 2;\n\t\tif ( info.type === 35675 ) locationSize = 3;\n\t\tif ( info.type === 35676 ) locationSize = 4;\n\n\t\t// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nfunction includeReplacer( match, include ) {\n\n\tconst string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst deprecatedUnrollLoopPattern = /#pragma unroll_loop[\\s]+?for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string\n\t\t.replace( unrollLoopPattern, loopReplacer )\n\t\t.replace( deprecatedUnrollLoopPattern, deprecatedLoopReplacer );\n\n}\n\nfunction deprecatedLoopReplacer( match, start, end, snippet ) {\n\n\tconsole.warn( 'WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.' );\n\treturn loopReplacer( match, start, end, snippet );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = 'precision ' + parameters.precision + ' float;\\nprecision ' + parameters.precision + ' int;';\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// console.log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\n\n\tconst gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\tconst customExtensions = parameters.isWebGL2 ? '' : generateExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\n\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE' : '',\n\t\t\t( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if ( defined( USE_MORPHTARGETS ) && ! defined( MORPHTARGETS_TEXTURE ) )',\n\n\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t'\t#else',\n\n\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t'\t#endif',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\n\t\t\tparameters.sheen ? '#define USE_SHEEN' : '',\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t( ( parameters.extensionShaderTextureLOD || parameters.envMap ) && parameters.rendererExtensionShaderTextureLod ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.format === RGBFormat ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'encodings_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tparameters.map ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\tparameters.matcap ? getTexelDecodingFunction( 'matcapTexelToLinear', parameters.matcapEncoding ) : '',\n\t\t\tparameters.envMap ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\tparameters.emissiveMap ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\tparameters.specularColorMap ? getTexelDecodingFunction( 'specularColorMapTexelToLinear', parameters.specularColorMapEncoding ) : '',\n\t\t\tparameters.sheenColorMap ? getTexelDecodingFunction( 'sheenColorMapTexelToLinear', parameters.sheenColorMapEncoding ) : '',\n\t\t\tparameters.lightMap ? getTexelDecodingFunction( 'lightMapTexelToLinear', parameters.lightMapEncoding ) : '',\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ),\n\n\t\t\tparameters.depthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isWebGL2 && parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\t'precision mediump sampler2DArray;',\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// console.log( '*VERTEX*', vertexGlsl );\n\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, 35633, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, 35632, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\t// check for link errors\n\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\tconst programLog = gl.getProgramInfoLog( program ).trim();\n\t\tconst vertexLog = gl.getShaderInfoLog( glVertexShader ).trim();\n\t\tconst fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();\n\n\t\tlet runnable = true;\n\t\tlet haveDiagnostics = true;\n\n\t\tif ( gl.getProgramParameter( program, 35714 ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\tconsole.error(\n\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, 35715 ) + '\\n\\n' +\n\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\tfragmentErrors\n\t\t\t);\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t}\n\n\t// Clean up\n\n\t// Crashes in iOS9 and iOS10. #18402\n\t// gl.detachShader( program, glVertexShader );\n\t// gl.detachShader( program, glFragmentShader );\n\n\tgl.deleteShader( glVertexShader );\n\tgl.deleteShader( glFragmentShader );\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst programs = [];\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst floatVertexTextures = capabilities.floatVertexTextures;\n\tconst maxVertexUniforms = capabilities.maxVertexUniforms;\n\tconst vertexTextures = capabilities.vertexTextures;\n\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tconst parameterNames = [\n\t\t'precision', 'isWebGL2', 'supportsVertexTextures', 'outputEncoding', 'instancing', 'instancingColor',\n\t\t'map', 'mapEncoding', 'matcap', 'matcapEncoding', 'envMap', 'envMapMode', 'envMapEncoding', 'envMapCubeUV',\n\t\t'lightMap', 'lightMapEncoding', 'aoMap', 'emissiveMap', 'emissiveMapEncoding', 'bumpMap', 'normalMap',\n\t\t'objectSpaceNormalMap', 'tangentSpaceNormalMap',\n\t\t'clearcoat', 'clearcoatMap', 'clearcoatRoughnessMap', 'clearcoatNormalMap',\n\t\t'displacementMap', 'specularMap', , 'roughnessMap', 'metalnessMap', 'gradientMap',\n\t\t'alphaMap', 'alphaTest', 'combine', 'vertexColors', 'vertexAlphas', 'vertexTangents', 'vertexUvs', 'uvsVertexOnly', 'fog', 'useFog', 'fogExp2',\n\t\t'flatShading', 'sizeAttenuation', 'logarithmicDepthBuffer', 'skinning',\n\t\t'maxBones', 'useVertexTexture', 'morphTargets', 'morphNormals', 'morphTargetsCount', 'premultipliedAlpha',\n\t\t'numDirLights', 'numPointLights', 'numSpotLights', 'numHemiLights', 'numRectAreaLights',\n\t\t'numDirLightShadows', 'numPointLightShadows', 'numSpotLightShadows',\n\t\t'shadowMapEnabled', 'shadowMapType', 'toneMapping', 'physicallyCorrectLights',\n\t\t'doubleSided', 'flipSided', 'numClippingPlanes', 'numClipIntersection', 'depthPacking', 'dithering', 'format',\n\t\t'specularIntensityMap', 'specularColorMap', 'specularColorMapEncoding',\n\t\t'transmission', 'transmissionMap', 'thicknessMap',\n\t\t'sheen', 'sheenColorMap', 'sheenColorMapEncoding', 'sheenRoughnessMap'\n\t];\n\n\tfunction getMaxBones( object ) {\n\n\t\tconst skeleton = object.skeleton;\n\t\tconst bones = skeleton.bones;\n\n\t\tif ( floatVertexTextures ) {\n\n\t\t\treturn 1024;\n\n\t\t} else {\n\n\t\t\t// default for when object is not specified\n\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t//\n\t\t\t//  - leave some extra space for other uniforms\n\t\t\t//  - limit here is ANGLE's 254 max uniform vectors\n\t\t\t//    (up to 54 should be safe)\n\n\t\t\tconst nVertexUniforms = maxVertexUniforms;\n\t\t\tconst nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\tconst maxBones = Math.min( nVertexMatrices, bones.length );\n\n\t\t\tif ( maxBones < bones.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Skeleton has ' + bones.length + ' bones. This GPU supports ' + maxBones + '.' );\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\treturn maxBones;\n\n\t\t}\n\n\t}\n\n\tfunction getTextureEncodingFromMap( map ) {\n\n\t\tlet encoding;\n\n\t\tif ( map && map.isTexture ) {\n\n\t\t\tencoding = map.encoding;\n\n\t\t} else if ( map && map.isWebGLRenderTarget ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLPrograms.getTextureEncodingFromMap: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\tencoding = map.texture.encoding;\n\n\t\t} else {\n\n\t\t\tencoding = LinearEncoding;\n\n\t\t}\n\n\t\t/* if ( isWebGL2 && map && map.isTexture && map.format === RGBAFormat && map.type === UnsignedByteType && map.encoding === sRGBEncoding ) {\n\n\t\t\tencoding = LinearEncoding; // disable inline decode for sRGB textures in WebGL 2\n\n\t\t} */\n\n\t\treturn encoding;\n\n\t}\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tconst maxBones = object.isSkinnedMesh ? getMaxBones( object ) : 0;\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet vertexShader, fragmentShader;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tconst useAlphaTest = material.alphaTest > 0;\n\t\tconst useClearcoat = material.clearcoat > 0;\n\n\t\tconst parameters = {\n\n\t\t\tisWebGL2: isWebGL2,\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderName: material.type,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tinstancing: object.isInstancedMesh === true,\n\t\t\tinstancingColor: object.isInstancedMesh === true && object.instanceColor !== null,\n\n\t\t\tsupportsVertexTextures: vertexTextures,\n\t\t\toutputEncoding: ( currentRenderTarget !== null ) ? getTextureEncodingFromMap( currentRenderTarget.texture ) : renderer.outputEncoding,\n\t\t\tmap: !! material.map,\n\t\t\tmapEncoding: getTextureEncodingFromMap( material.map ),\n\t\t\tmatcap: !! material.matcap,\n\t\t\tmatcapEncoding: getTextureEncodingFromMap( material.matcap ),\n\t\t\tenvMap: !! envMap,\n\t\t\tenvMapMode: envMap && envMap.mapping,\n\t\t\tenvMapEncoding: getTextureEncodingFromMap( envMap ),\n\t\t\tenvMapCubeUV: ( !! envMap ) && ( ( envMap.mapping === CubeUVReflectionMapping ) || ( envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\tlightMap: !! material.lightMap,\n\t\t\tlightMapEncoding: getTextureEncodingFromMap( material.lightMap ),\n\t\t\taoMap: !! material.aoMap,\n\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap ),\n\t\t\tbumpMap: !! material.bumpMap,\n\t\t\tnormalMap: !! material.normalMap,\n\t\t\tobjectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap,\n\t\t\ttangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tclearcoat: useClearcoat,\n\t\t\tclearcoatMap: useClearcoat && !! material.clearcoatMap,\n\t\t\tclearcoatRoughnessMap: useClearcoat && !! material.clearcoatRoughnessMap,\n\t\t\tclearcoatNormalMap: useClearcoat && !! material.clearcoatNormalMap,\n\n\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\tspecularMap: !! material.specularMap,\n\t\t\tspecularIntensityMap: !! material.specularIntensityMap,\n\t\t\tspecularColorMap: !! material.specularColorMap,\n\t\t\tspecularColorMapEncoding: getTextureEncodingFromMap( material.specularColorMap ),\n\n\t\t\talphaMap: !! material.alphaMap,\n\t\t\talphaTest: useAlphaTest,\n\n\t\t\tgradientMap: !! material.gradientMap,\n\n\t\t\tsheen: material.sheen > 0,\n\t\t\tsheenColorMap: !! material.sheenColorMap,\n\t\t\tsheenColorMapEncoding: getTextureEncodingFromMap( material.sheenColorMap ),\n\t\t\tsheenRoughnessMap: !! material.sheenRoughnessMap,\n\n\t\t\ttransmission: material.transmission > 0,\n\t\t\ttransmissionMap: !! material.transmissionMap,\n\t\t\tthicknessMap: !! material.thicknessMap,\n\n\t\t\tcombine: material.combine,\n\n\t\t\tvertexTangents: ( !! material.normalMap && !! object.geometry && !! object.geometry.attributes.tangent ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! object.geometry && !! object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4,\n\t\t\tvertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatMap || !! material.clearcoatRoughnessMap || !! material.clearcoatNormalMap || !! material.displacementMap || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || !! material.sheenColorMap || material.sheenRoughnessMap,\n\t\t\tuvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || material.transmission > 0 || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || material.sheen > 0 || !! material.sheenColorMap || !! material.sheenRoughnessMap ) && !! material.displacementMap,\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog,\n\t\t\tfogExp2: ( fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: !! material.flatShading,\n\n\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true && maxBones > 0,\n\t\t\tmaxBones: maxBones,\n\t\t\tuseVertexTexture: floatVertexTextures,\n\n\t\t\tmorphTargets: !! object.geometry && !! object.geometry.morphAttributes.position,\n\t\t\tmorphNormals: !! object.geometry && !! object.geometry.morphAttributes.normal,\n\t\t\tmorphTargetsCount: ( !! object.geometry && !! object.geometry.morphAttributes.position ) ? object.geometry.morphAttributes.position.length : 0,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tformat: material.format,\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping,\n\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionDerivatives: material.extensions && material.extensions.derivatives,\n\t\t\textensionFragDepth: material.extensions && material.extensions.fragDepth,\n\t\t\textensionDrawBuffers: material.extensions && material.extensions.drawBuffers,\n\t\t\textensionShaderTextureLOD: material.extensions && material.extensions.shaderTextureLOD,\n\n\t\t\trendererExtensionFragDepth: isWebGL2 || extensions.has( 'EXT_frag_depth' ),\n\t\t\trendererExtensionDrawBuffers: isWebGL2 || extensions.has( 'WEBGL_draw_buffers' ),\n\t\t\trendererExtensionShaderTextureLod: isWebGL2 || extensions.has( 'EXT_shader_texture_lod' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( hashString( parameters.fragmentShader ) );\n\t\t\tarray.push( hashString( parameters.vertexShader ) );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tfor ( let i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\tarray.push( renderer.outputEncoding );\n\t\t\tarray.push( renderer.gammaFactor );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.program !== b.program ) {\n\n\t\treturn a.program.id - b.program.id;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList( properties ) {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tconst defaultProgram = { id: - 1 };\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tprogram: materialProperties.program || defaultProgram,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.program = materialProperties.program || defaultProgram;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.program = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists( properties ) {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tlet list;\n\n\t\tif ( lists.has( scene ) === false ) {\n\n\t\t\tlist = new WebGLRenderList( properties );\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= lists.get( scene ).length ) {\n\n\t\t\t\tlist = new WebGLRenderList( properties );\n\t\t\t\tlists.get( scene ).push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = lists.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 1 : 0 ) - ( lightA.castShadow ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions, capabilities ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: - 1,\n\t\t\tpointLength: - 1,\n\t\t\tspotLength: - 1,\n\t\t\trectAreaLength: - 1,\n\t\t\themiLength: - 1,\n\n\t\t\tnumDirectionalShadows: - 1,\n\t\t\tnumPointShadows: - 1,\n\t\t\tnumSpotShadows: - 1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotShadowMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: []\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights, physicallyCorrectLights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\n\t\tlights.sort( shadowCastingLightsFirst );\n\n\t\t// artist-friendly light intensity scaling factor\n\t\tconst scaleFactor = ( physicallyCorrectLights !== true ) ? Math.PI : 1;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity * scaleFactor;\n\t\t\t\tg += color.g * intensity * scaleFactor;\n\t\t\t\tb += color.b * intensity * scaleFactor;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\tstate.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\t// (a) intensity is the total visible light emitted\n\t\t\t\t//uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) );\n\n\t\t\t\t// (b) intensity is the brightness of the light\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity * scaleFactor );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t// WebGL 2\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\t// WebGL 1\n\n\t\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t\t} else if ( extensions.has( 'OES_texture_half_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotShadowMatrix.length = numSpotShadows;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions, capabilities ) {\n\n\tconst lights = new WebGLLights( extensions, capabilities );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init() {\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights( physicallyCorrectLights ) {\n\n\t\tlights.setup( lightsArray, physicallyCorrectLights );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tlights: lights\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions, capabilities ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tlet renderState;\n\n\t\tif ( renderStates.has( scene ) === false ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStates.get( scene ).length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\t\trenderStates.get( scene ).push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStates.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\n/**\n * parameters = {\n *\n *  opacity: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>\n * }\n */\n\nclass MeshDepthMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n/**\n * parameters = {\n *\n *  referencePosition: <float>,\n *  nearDistance: <float>,\n *  farDistance: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>\n *\n * }\n */\n\nclass MeshDistanceMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\tthis.referencePosition = new Vector3();\n\t\tthis.nearDistance = 1;\n\t\tthis.farDistance = 1000;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.referencePosition.copy( source.referencePosition );\n\t\tthis.nearDistance = source.nearDistance;\n\t\tthis.farDistance = source.farDistance;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDistanceMaterial.prototype.isMeshDistanceMaterial = true;\n\nconst vertex = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nconst fragment = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\n#include <packing>\\nvoid main() {\\n\\tconst float samples = float( VSM_SAMPLES );\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nfunction WebGLShadowMap( _renderer, _objects, _capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = _capabilities.maxTextureSize;\n\n\tconst shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\t\tdefines: {\n\t\t\tVSM_SAMPLES: 8\n\t\t},\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 }\n\t\t},\n\n\t\tvertexShader: vertex,\n\t\tfragmentShader: fragment\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = _renderer.getRenderTarget();\n\t\tconst activeCubeFace = _renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = _renderer.getActiveMipmapLevel();\n\n\t\tconst _state = _renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null && ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tconst pars = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\tconst pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\t_renderer.setRenderTarget( shadow.map );\n\t\t\t_renderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\tscope.needsUpdate = false;\n\n\t\t_renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = _objects.update( fullScreenMesh );\n\n\t\tif ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) {\n\n\t\t\tshadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples;\n\t\t\tshadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples;\n\n\t\t\tshadowMaterialVertical.needsUpdate = true;\n\t\t\tshadowMaterialHorizontal.needsUpdate = true;\n\n\t\t}\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.mapPass );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.map );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, geometry, material, light, shadowCameraNear, shadowCameraFar, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t}\n\n\t\tif ( ( _renderer.localClippingEnabled && material.clipShadows === true && material.clippingPlanes.length !== 0 ) ||\n\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t( material.alphaMap && material.alphaTest > 0 ) ) {\n\n\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t// appropriate state\n\n\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t}\n\n\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult = cachedMaterial;\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = material.alphaTest;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tresult.referencePosition.setFromMatrixPosition( light.matrixWorld );\n\t\t\tresult.nearDistance = shadowCameraNear;\n\t\t\tresult.farDistance = shadowCameraFar;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = _objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, groupMaterial, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, material, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n}\n\nfunction WebGLState( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( 2929 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( 2929 );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 512 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 519 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 513 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 514 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 518 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 516 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 517 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( 2960 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( 2960 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t     currentStencilRef !== stencilRef ||\n\t\t\t\t     currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t     currentStencilZFail !== stencilZFail ||\n\t\t\t\t     currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tlet enabledCapabilities = {};\n\n\tlet currentBoundFramebuffers = {};\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( 35661 );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( 7938 );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( 3088 );\n\tconst viewportParam = gl.getParameter( 2978 );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, 10241, 9728 );\n\t\tgl.texParameteri( type, 10240, 9728 );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tgl.texImage2D( target + i, 0, 6408, 1, 1, 0, 6408, 5121, data );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ 3553 ] = createTexture( 3553, 3553, 1 );\n\temptyTextures[ 34067 ] = createTexture( 34067, 34069, 6 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( 2929 );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( 2884 );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t// 36009 is equivalent to 36160\n\n\t\t\t\tif ( target === 36009 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36160 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t\tif ( target === 36160 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36009 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: 32774,\n\t\t[ SubtractEquation ]: 32778,\n\t\t[ ReverseSubtractEquation ]: 32779\n\t};\n\n\tif ( isWebGL2 ) {\n\n\t\tequationToGL[ MinEquation ] = 32775;\n\t\tequationToGL[ MaxEquation ] = 32776;\n\n\t} else {\n\n\t\tconst extension = extensions.get( 'EXT_blend_minmax' );\n\n\t\tif ( extension !== null ) {\n\n\t\t\tequationToGL[ MinEquation ] = extension.MIN_EXT;\n\t\t\tequationToGL[ MaxEquation ] = extension.MAX_EXT;\n\n\t\t}\n\n\t}\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: 0,\n\t\t[ OneFactor ]: 1,\n\t\t[ SrcColorFactor ]: 768,\n\t\t[ SrcAlphaFactor ]: 770,\n\t\t[ SrcAlphaSaturateFactor ]: 776,\n\t\t[ DstColorFactor ]: 774,\n\t\t[ DstAlphaFactor ]: 772,\n\t\t[ OneMinusSrcColorFactor ]: 769,\n\t\t[ OneMinusSrcAlphaFactor ]: 771,\n\t\t[ OneMinusDstColorFactor ]: 775,\n\t\t[ OneMinusDstAlphaFactor ]: 773\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( 3042 );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( 3042 );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( 32774 );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 1, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 1, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 0, 769, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 768, 0, 770 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 770, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 770, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 769 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 768 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = null;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( 2884 )\n\t\t\t: enable( 2884 );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( 32926 )\n\t\t\t: disable( 32926 );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( 2304 );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( 2305 );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( 2884 );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( 1029 );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( 1028 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( 1032 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 2884 );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( 32823 );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 32823 );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( 3089 );\n\n\t\t} else {\n\n\t\t\tdisable( 3089 );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = 33984 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\tif ( currentTextureSlot === null ) {\n\n\t\t\tactiveTexture();\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( 3042 );\n\t\tgl.disable( 2884 );\n\t\tgl.disable( 2929 );\n\t\tgl.disable( 32823 );\n\t\tgl.disable( 3089 );\n\t\tgl.disable( 2960 );\n\t\tgl.disable( 32926 );\n\n\t\tgl.blendEquation( 32774 );\n\t\tgl.blendFunc( 1, 0 );\n\t\tgl.blendFuncSeparate( 1, 0, 1, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( 513 );\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( 519, 0, 0xffffffff );\n\t\tgl.stencilOp( 7680, 7680, 7680 );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( 1029 );\n\t\tgl.frontFace( 2305 );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( 33984 );\n\n\t\tgl.bindFramebuffer( 36160, null );\n\n\t\tif ( isWebGL2 === true ) {\n\n\t\t\tgl.bindFramebuffer( 36009, null );\n\t\t\tgl.bindFramebuffer( 36008, null );\n\n\t\t}\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\tcurrentBoundFramebuffers = {};\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\ttexStorage2D: texStorage2D,\n\t\ttexSubImage2D: texSubImage2D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst maxTextures = capabilities.maxTextures;\n\tconst maxCubemapSize = capabilities.maxCubemapSize;\n\tconst maxTextureSize = capabilities.maxTextureSize;\n\tconst maxSamples = capabilities.maxSamples;\n\tconst hasMultisampledRenderToTexture = extensions.has( 'WEBGL_multisampled_render_to_texture' );\n\tconst MultisampledRenderToTextureExtension = hasMultisampledRenderToTexture ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : undefined;\n\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\tnew OffscreenCanvas( width, height ) : createElementNS( 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsPowerOfTwo, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( image.width, image.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 || needsPowerOfTwo === true ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\t\tconst floor = needsPowerOfTwo ? floorPowerOfTwo : Math.floor;\n\n\t\t\t\tconst width = floor( scale * image.width );\n\t\t\t\tconst height = floor( scale * image.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + image.width + 'x' + image.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + image.width + 'x' + image.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction isPowerOfTwo$1( image ) {\n\n\t\treturn isPowerOfTwo( image.width ) && isPowerOfTwo( image.height );\n\n\t}\n\n\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\tif ( isWebGL2 ) return false;\n\n\t\treturn ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) ||\n\t\t\t( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter );\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture, supportsMips ) {\n\n\t\treturn texture.generateMipmaps && supportsMips &&\n\t\t\ttexture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;\n\n\t}\n\n\tfunction generateMipmap( target ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType/*, encoding*/ ) {\n\n\t\tif ( isWebGL2 === false ) return glFormat;\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === 6403 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 33326;\n\t\t\tif ( glType === 5131 ) internalFormat = 33325;\n\t\t\tif ( glType === 5121 ) internalFormat = 33321;\n\n\t\t}\n\n\t\tif ( glFormat === 6407 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34837;\n\t\t\tif ( glType === 5131 ) internalFormat = 34843;\n\t\t\tif ( glType === 5121 ) internalFormat = 32849;\n\n\t\t}\n\n\t\tif ( glFormat === 6408 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34836;\n\t\t\tif ( glType === 5131 ) internalFormat = 34842;\n\t\t\t//if ( glType === 5121 ) internalFormat = ( encoding === sRGBEncoding ) ? 35907 : 32856;\n\t\t\tif ( glType === 5121 ) internalFormat = 32856;\n\n\n\t\t}\n\n\t\tif ( internalFormat === 33325 || internalFormat === 33326 ||\n\t\t\tinternalFormat === 34842 || internalFormat === 34836 ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\tfunction getMipLevels( texture, image, supportsMips ) {\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) === true ) {\n\n\t\t\t// generated mipmaps via gl.generateMipmap()\n\n\t\t\treturn Math.log2( Math.max( image.width, image.height ) ) + 1;\n\n\t\t} else if ( texture.mipmaps.length > 0 ) {\n\n\t\t\t// user-defined mipmaps\n\n\t\t\treturn texture.mipmaps.length;\n\n\t\t} else {\n\n\t\t\t// texture without mipmaps (only base level)\n\n\t\t\treturn 1;\n\n\t\t}\n\n\t}\n\n\t// Fallback filters for non-power-of-2 textures\n\n\tfunction filterFallback( f ) {\n\n\t\tif ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) {\n\n\t\t\treturn 9728;\n\n\t\t}\n\n\t\treturn 9729;\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( ! renderTarget ) return;\n\n\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\tinfo.memory.textures --;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = texture.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachmentProperties = properties.get( texture[ i ] );\n\n\t\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\t\tinfo.memory.textures --;\n\n\t\t\t\t}\n\n\t\t\t\tproperties.remove( texture[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= maxTextures ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 3553, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 35866, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 32879, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: 10497,\n\t\t[ ClampToEdgeWrapping ]: 33071,\n\t\t[ MirroredRepeatWrapping ]: 33648\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: 9728,\n\t\t[ NearestMipmapNearestFilter ]: 9984,\n\t\t[ NearestMipmapLinearFilter ]: 9986,\n\n\t\t[ LinearFilter ]: 9729,\n\t\t[ LinearMipmapNearestFilter ]: 9985,\n\t\t[ LinearMipmapLinearFilter ]: 9987\n\t};\n\n\tfunction setTextureParameters( textureType, texture, supportsMips ) {\n\n\t\tif ( supportsMips ) {\n\n\t\t\t_gl.texParameteri( textureType, 10242, wrappingToGL[ texture.wrapS ] );\n\t\t\t_gl.texParameteri( textureType, 10243, wrappingToGL[ texture.wrapT ] );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, wrappingToGL[ texture.wrapR ] );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterToGL[ texture.magFilter ] );\n\t\t\t_gl.texParameteri( textureType, 10241, filterToGL[ texture.minFilter ] );\n\n\t\t} else {\n\n\t\t\t_gl.texParameteri( textureType, 10242, 33071 );\n\t\t\t_gl.texParameteri( textureType, 10243, 33071 );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, 33071 );\n\n\t\t\t}\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.' );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterFallback( texture.magFilter ) );\n\t\t\t_gl.texParameteri( textureType, 10241, filterFallback( texture.minFilter ) );\n\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension for WebGL 1 and WebGL 2\n\t\t\tif ( isWebGL2 === false && ( texture.type === HalfFloatType && extensions.has( 'OES_texture_half_float_linear' ) === false ) ) return; // verify extension for WebGL 1 only\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = 3553;\n\n\t\tif ( texture.isDataTexture2DArray ) textureType = 35866;\n\t\tif ( texture.isDataTexture3D ) textureType = 32879;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst needsPowerOfTwo = textureNeedsPowerOfTwo( texture ) && isPowerOfTwo$1( texture.image ) === false;\n\t\tconst image = resizeImage( texture.image, needsPowerOfTwo, false, maxTextureSize );\n\n\t\tconst supportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format );\n\n\t\tlet glType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\n\t\tsetTextureParameters( textureType, texture, supportsMips );\n\n\t\tlet mipmap;\n\t\tconst mipmaps = texture.mipmaps;\n\n\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t// populate depth texture with dummy data\n\n\t\t\tglInternalFormat = 6402;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t} else if ( texture.type === UnsignedIntType ) {\n\n\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t} else if ( texture.type === UnsignedInt248Type ) {\n\n\t\t\t\t\tglInternalFormat = 35056;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tglInternalFormat = 33189; // WebGL2 requires sized internalformat for glTexImage2D\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tconsole.error( 'WebGLRenderer: Floating point depth texture requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// validation checks for WebGL 1\n\n\t\t\tif ( texture.format === DepthFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedShortType;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.format === DepthStencilFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tglInternalFormat = 34041;\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL.\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedInt248Type ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedInt248Type;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t}\n\n\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\tstate.compressedTexImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( texture.isDataTexture2DArray ) {\n\n\t\t\tstate.texImage3D( 35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t} else if ( texture.isDataTexture3D ) {\n\n\t\t\tstate.texImage3D( 32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tconst levels = getMipLevels( texture, image, supportsMips );\n\t\t\tconst useTexStorage = ( isWebGL2 && texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( textureProperties.__version === undefined );\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texSubImage2D( 3553, i, 0, 0, glFormat, glType, mipmap );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t} else {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.texSubImage2D( 3553, 0, 0, 0, glFormat, glType, image );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\tgenerateMipmap( textureType );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst isCompressed = ( texture && ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ) );\n\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\tconst cubeImage = [];\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], false, true, maxCubemapSize );\n\n\t\t\t} else {\n\n\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst image = cubeImage[ 0 ],\n\t\t\tsupportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format ),\n\t\t\tglType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\n\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\tlet mipmaps;\n\n\t\tif ( isCompressed ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t// We assume images for cube map have the same size.\n\t\t\tgenerateMipmap( 34067 );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget ) {\n\n\t\tconst glFormat = utils.convert( texture.format );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( ! renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\tif ( textureTarget === 32879 || textureTarget === 35866 ) {\n\n\t\t\t\tstate.texImage3D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0, getRenderTargetSamples( renderTarget ) );\n\n\t\t} else {\n\n\t\t\t_gl.framebufferTexture2D( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0 );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( 36161, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\tlet glInternalFormat = 33189;\n\n\t\t\tif ( isMultisample || renderTarget.useRenderToTexture ) {\n\n\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\n\t\t\t\tif ( depthTexture && depthTexture.isDepthTexture ) {\n\n\t\t\t\t\tif ( depthTexture.type === FloatType ) {\n\n\t\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t\t} else if ( depthTexture.type === UnsignedIntType ) {\n\n\t\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 36096, 36161, renderbuffer );\n\n\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\tif ( isMultisample && renderTarget.useRenderbuffer ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, 34041, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 33306, 36161, renderbuffer );\n\n\t\t} else {\n\n\t\t\t// Use the first texture for MRT so far\n\t\t\tconst texture = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture[ 0 ] : renderTarget.texture;\n\n\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\tconst glType = utils.convert( texture.type );\n\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\tif ( isMultisample && renderTarget.useRenderbuffer ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, 36096, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 36096, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, 33306, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 33306, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\tif ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer );\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\t// rebind framebuffer with external textures\n\tfunction rebindTextures( renderTarget, colorTexture, depthTexture ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( colorTexture !== undefined ) {\n\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, 36064, 3553 );\n\n\t\t}\n\n\t\tif ( depthTexture !== undefined ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets !== true ) {\n\n\t\t\tif ( textureProperties.__webglTexture === undefined ) {\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t}\n\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( renderTarget.isWebGLMultipleRenderTargets === true );\n\t\tconst isRenderTarget3D = texture.isDataTexture3D || texture.isDataTexture2DArray;\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\t// Handles WebGL2 RGBFormat fallback - #18858\n\n\t\tif ( isWebGL2 && texture.format === RGBFormat && ( texture.type === FloatType || texture.type === HalfFloatType ) ) {\n\n\t\t\ttexture.format = RGBAFormat;\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.' );\n\n\t\t}\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tif ( capabilities.drawBuffers ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.' );\n\n\t\t\t\t}\n\n\t\t\t} else if ( renderTarget.useRenderbuffer ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, renderTargetProperties.__webglColorRenderbuffer );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( 36160, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer );\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, null );\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, 36064, 34069 + i );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( 34067 );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tconst textures = renderTarget.texture;\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tstate.bindTexture( 3553, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( 3553, attachment, supportsMips );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, 36064 + i, 3553 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment, supportsMips ) ) {\n\n\t\t\t\t\tgenerateMipmap( 3553 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = 3553;\n\n\t\t\tif ( isRenderTarget3D ) {\n\n\t\t\t\t// Render targets containing layers, i.e: Texture 3D and 2d arrays\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\tconst isTexture3D = texture.isDataTexture3D;\n\t\t\t\t\tglTextureType = isTexture3D ? 32879 : 35866;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.DataTexture3D and THREE.DataTexture2DArray only supported with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture, supportsMips );\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, 36064, glTextureType );\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\tconst textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [ renderTarget.texture ];\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tconst target = renderTarget.isWebGLCubeRenderTarget ? 34067 : 3553;\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\tgenerateMipmap( target );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( renderTarget.useRenderbuffer ) {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tconst width = renderTarget.width;\n\t\t\t\tconst height = renderTarget.height;\n\t\t\t\tlet mask = 16384;\n\t\t\t\tconst invalidationArray = [ 36064 ];\n\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? 33306 : 36096;\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\tinvalidationArray.push( depthStyle );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! renderTarget.ignoreDepthForMultisampleCopy ) {\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) mask |= 256;\n\t\t\t\t\tif ( renderTarget.stencilBuffer ) mask |= 1024;\n\n\t\t\t\t}\n\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tstate.bindFramebuffer( 36008, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tif ( renderTarget.ignoreDepthForMultisampleCopy ) {\n\n\t\t\t\t\t_gl.invalidateFramebuffer( 36008, [ depthStyle ] );\n\t\t\t\t\t_gl.invalidateFramebuffer( 36009, [ depthStyle ] );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, 9728 );\n\t\t\t\t_gl.invalidateFramebuffer( 36008, invalidationArray );\n\n\t\t\t\tstate.bindFramebuffer( 36008, null );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn ( isWebGL2 && ( renderTarget.useRenderbuffer || renderTarget.useRenderToTexture ) ) ?\n\t\t\tMath.min( maxSamples, renderTarget.samples ) : 0;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\t// backwards compatibility\n\n\tlet warnedTexture2D = false;\n\tlet warnedTextureCube = false;\n\n\tfunction safeSetTexture2D( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\tif ( warnedTexture2D === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTexture2D: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTexture2D = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\t\tsetTexture2D( texture, slot );\n\n\t}\n\n\tfunction safeSetTextureCube( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLCubeRenderTarget ) {\n\n\t\t\tif ( warnedTextureCube === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTextureCube: don\\'t use cube render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTextureCube = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\n\t\tsetTextureCube( texture, slot );\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.rebindTextures = rebindTextures;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\tthis.setupDepthRenderbuffer = setupDepthRenderbuffer;\n\tthis.setupFrameBufferTexture = setupFrameBufferTexture;\n\n\tthis.safeSetTexture2D = safeSetTexture2D;\n\tthis.safeSetTextureCube = safeSetTextureCube;\n\n}\n\nfunction WebGLUtils( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction convert( p ) {\n\n\t\tlet extension;\n\n\t\tif ( p === UnsignedByteType ) return 5121;\n\t\tif ( p === UnsignedShort4444Type ) return 32819;\n\t\tif ( p === UnsignedShort5551Type ) return 32820;\n\t\tif ( p === UnsignedShort565Type ) return 33635;\n\n\t\tif ( p === ByteType ) return 5120;\n\t\tif ( p === ShortType ) return 5122;\n\t\tif ( p === UnsignedShortType ) return 5123;\n\t\tif ( p === IntType ) return 5124;\n\t\tif ( p === UnsignedIntType ) return 5125;\n\t\tif ( p === FloatType ) return 5126;\n\n\t\tif ( p === HalfFloatType ) {\n\n\t\t\tif ( isWebGL2 ) return 5131;\n\n\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.HALF_FLOAT_OES;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === AlphaFormat ) return 6406;\n\t\tif ( p === RGBFormat ) return 6407;\n\t\tif ( p === RGBAFormat ) return 6408;\n\t\tif ( p === LuminanceFormat ) return 6409;\n\t\tif ( p === LuminanceAlphaFormat ) return 6410;\n\t\tif ( p === DepthFormat ) return 6402;\n\t\tif ( p === DepthStencilFormat ) return 34041;\n\t\tif ( p === RedFormat ) return 6403;\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedIntegerFormat ) return 36244;\n\t\tif ( p === RGFormat ) return 33319;\n\t\tif ( p === RGIntegerFormat ) return 33320;\n\t\tif ( p === RGBIntegerFormat ) return 36248;\n\t\tif ( p === RGBAIntegerFormat ) return 36249;\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\tp === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC2_Format ) return extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_4x4_Format || p === SRGB8_ALPHA8_ASTC_5x4_Format || p === SRGB8_ALPHA8_ASTC_5x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_6x5_Format || p === SRGB8_ALPHA8_ASTC_6x6_Format || p === SRGB8_ALPHA8_ASTC_8x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_8x6_Format || p === SRGB8_ALPHA8_ASTC_8x8_Format || p === SRGB8_ALPHA8_ASTC_10x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_10x6_Format || p === SRGB8_ALPHA8_ASTC_10x8_Format || p === SRGB8_ALPHA8_ASTC_10x10_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_12x10_Format || p === SRGB8_ALPHA8_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_BPTC_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\tif ( isWebGL2 ) return 34042;\n\n\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nclass ArrayCamera extends PerspectiveCamera {\n\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\tthis.cameras = array;\n\n\t}\n\n}\n\nArrayCamera.prototype.isArrayCamera = true;\n\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nGroup.prototype.isGroup = true;\n\nconst _moveEvent = { type: 'move' };\n\nclass WebXRController {\n\n\tconstructor() {\n\n\t\tthis._targetRay = null;\n\t\tthis._grip = null;\n\t\tthis._hand = null;\n\n\t}\n\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\t\tconst joint = new Group();\n\t\t\t\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\t\t\t\tjoint.visible = false;\n\t\t\t\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\t\t\t\t\t\t// ??\n\t\t\t\t\t\thand.add( joint );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst joint = hand.joints[ inputjoint.jointName ];\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass DepthTexture extends Texture {\n\n\tconstructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tif ( type === undefined && format === DepthFormat ) type = UnsignedShortType;\n\t\tif ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\n}\n\nDepthTexture.prototype.isDepthTexture = true;\n\nclass WebXRManager extends EventDispatcher {\n\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\n\t\tlet session = null;\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\t\tconst hasMultisampledRenderToTexture = renderer.extensions.has( 'WEBGL_multisampled_render_to_texture' );\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet isMultisample = false;\n\t\tlet xrFrame = null;\n\t\tconst attributes = gl.getContextAttributes();\n\t\tlet initialRenderTarget = null;\n\t\tlet newRenderTarget = null;\n\n\t\tconst controllers = [];\n\t\tconst inputSourcesMap = new Map();\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.layers.enable( 1 );\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.layers.enable( 2 );\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraVR = new ArrayCamera();\n\t\tcameraVR.layers.enable( 1 );\n\t\tcameraVR.layers.enable( 2 );\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\tthis.cameraAutoUpdate = true;\n\t\tthis.enabled = false;\n\n\t\tthis.isPresenting = false;\n\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controller = inputSourcesMap.get( event.inputSource );\n\n\t\t\tif ( controller ) {\n\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tinputSourcesMap.forEach( function ( controller, inputSource ) {\n\n\t\t\t\tcontroller.disconnect( inputSource );\n\n\t\t\t} );\n\n\t\t\tinputSourcesMap.clear();\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\trenderer.setRenderTarget( initialRenderTarget );\n\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\t\t\tnewRenderTarget = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn referenceSpace;\n\n\t\t};\n\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\tthis.getBinding = function () {\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tinitialRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tif ( ( session.renderState.layers === undefined ) || ( renderer.capabilities.isWebGL2 === false ) ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: ( session.renderState.layers === undefined ) ? attributes.antialias : true,\n\t\t\t\t\t\talpha: attributes.alpha,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglBaseLayer.framebufferWidth,\n\t\t\t\t\t\tglBaseLayer.framebufferHeight\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tisMultisample = attributes.antialias;\n\t\t\t\t\tlet depthFormat = null;\n\t\t\t\t\tlet depthType = null;\n\t\t\t\t\tlet glDepthFormat = null;\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tglDepthFormat = attributes.stencil ? 35056 : 33189;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;\n\t\t\t\t\t\tdepthType = attributes.stencil ? UnsignedInt248Type : UnsignedShortType;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: ( attributes.alpha || isMultisample ) ? 32856 : 32849,\n\t\t\t\t\t\tdepthFormat: glDepthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\tif ( isMultisample ) {\n\n\t\t\t\t\t\tnewRenderTarget = new WebGLMultisampleRenderTarget(\n\t\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\t\tignoreDepth: glProjLayer.ignoreDepthValues,\n\t\t\t\t\t\t\t\tuseRenderToTexture: hasMultisampledRenderToTexture,\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\tformat: attributes.alpha ? RGBAFormat : RGBFormat,\n\t\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\t\tignoreDepth: glProjLayer.ignoreDepthValues,\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Set foveation to maximum.\n\t\t\t\tthis.setFoveation( 0 );\n\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\t// Assign inputSources to available controllers\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tinputSourcesMap.set( inputSources[ i ], controllers[ i ] );\n\n\t\t\t}\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\t\t\t\t\tinputSourcesMap.delete( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t// although must now be relative to the new union camera.\n\t\t\tconst near2 = near + zOffset;\n\t\t\tconst far2 = far + zOffset;\n\t\t\tconst left2 = left - xOffset;\n\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tcameraVR.near = cameraR.near = cameraL.near = camera.near;\n\t\t\tcameraVR.far = cameraR.far = cameraL.far = camera.far;\n\n\t\t\tif ( _currentDepthNear !== cameraVR.near || _currentDepthFar !== cameraVR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraVR.near,\n\t\t\t\t\tdepthFar: cameraVR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraVR.near;\n\t\t\t\t_currentDepthFar = cameraVR.far;\n\n\t\t\t}\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraVR.cameras;\n\n\t\t\tupdateCamera( cameraVR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\tcameraVR.matrixWorld.decompose( cameraVR.position, cameraVR.quaternion, cameraVR.scale );\n\n\t\t\t// update user camera and its children\n\n\t\t\tcamera.position.copy( cameraVR.position );\n\t\t\tcamera.quaternion.copy( cameraVR.quaternion );\n\t\t\tcamera.scale.copy( cameraVR.scale );\n\t\t\tcamera.matrix.copy( cameraVR.matrix );\n\t\t\tcamera.matrixWorld.copy( cameraVR.matrixWorld );\n\n\t\t\tconst children = camera.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( true );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraVR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraVR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraVR;\n\n\t\t};\n\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\treturn glProjLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\treturn glBaseLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t};\n\n\t\tthis.setFoveation = function ( foveation ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\trenderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer );\n\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraVRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraVR's camera list\n\n\t\t\t\tif ( views.length !== cameraVR.cameras.length ) {\n\n\t\t\t\t\tcameraVR.cameras.length = 0;\n\t\t\t\t\tcameraVRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t\t// For side-by-side projection, we only produce a single texture for both eyes.\n\t\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\t\trenderer.setRenderTargetTextures(\n\t\t\t\t\t\t\t\tnewRenderTarget,\n\t\t\t\t\t\t\t\tglSubImage.colorTexture,\n\t\t\t\t\t\t\t\tglProjLayer.ignoreDepthValues ? undefined : glSubImage.depthStencilTexture );\n\n\t\t\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst camera = cameras[ i ];\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraVR.matrix.copy( camera.matrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraVRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraVR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst controller = controllers[ i ];\n\t\t\t\tconst inputSource = inputSources[ i ];\n\n\t\t\t\tcontroller.update( inputSource, frame, referenceSpace );\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nfunction WebGLMaterials( properties ) {\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tuniforms.fogColor.value.copy( fog.color );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsLambert( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t} else {\n\n\t\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDepth( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsNormal( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. specular map\n\t\t// 3. displacementMap map\n\t\t// 4. normal map\n\t\t// 5. bump map\n\t\t// 6. roughnessMap map\n\t\t// 7. metalnessMap map\n\t\t// 8. alphaMap map\n\t\t// 9. emissiveMap map\n\t\t// 10. clearcoat map\n\t\t// 11. clearcoat normal map\n\t\t// 12. clearcoat roughnessMap map\n\t\t// 13. specular intensity map\n\t\t// 14. specular tint map\n\t\t// 15. transmission map\n\t\t// 16. thickness map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.specularMap ) {\n\n\t\t\tuvScaleMap = material.specularMap;\n\n\t\t} else if ( material.displacementMap ) {\n\n\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t} else if ( material.normalMap ) {\n\n\t\t\tuvScaleMap = material.normalMap;\n\n\t\t} else if ( material.bumpMap ) {\n\n\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t} else if ( material.roughnessMap ) {\n\n\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t} else if ( material.metalnessMap ) {\n\n\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t} else if ( material.emissiveMap ) {\n\n\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t} else if ( material.clearcoatMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatMap;\n\n\t\t} else if ( material.clearcoatNormalMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatNormalMap;\n\n\t\t} else if ( material.clearcoatRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatRoughnessMap;\n\n\t\t} else if ( material.specularIntensityMap ) {\n\n\t\t\tuvScaleMap = material.specularIntensityMap;\n\n\t\t} else if ( material.specularColorMap ) {\n\n\t\t\tuvScaleMap = material.specularColorMap;\n\n\t\t} else if ( material.transmissionMap ) {\n\n\t\t\tuvScaleMap = material.transmissionMap;\n\n\t\t} else if ( material.thicknessMap ) {\n\n\t\t\tuvScaleMap = material.thicknessMap;\n\n\t\t} else if ( material.sheenColorMap ) {\n\n\t\t\tuvScaleMap = material.sheenColorMap;\n\n\t\t} else if ( material.sheenRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.sheenRoughnessMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities for uv2\n\t\t// 1. ao map\n\t\t// 2. light map\n\n\t\tlet uv2ScaleMap;\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuv2ScaleMap = material.aoMap;\n\n\t\t} else if ( material.lightMap ) {\n\n\t\t\tuv2ScaleMap = material.lightMap;\n\n\t\t}\n\n\t\tif ( uv2ScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uv2ScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuv2ScaleMap = uv2ScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uv2ScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuv2ScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uv2Transform.value.copy( uv2ScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.roughness.value = material.roughness;\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t}\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\trefreshUniformsStandard( uniforms, material );\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheen > 0 ) {\n\n\t\t\tuniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen );\n\n\t\t\tuniforms.sheenRoughness.value = material.sheenRoughness;\n\n\t\t\tif ( material.sheenColorMap ) {\n\n\t\t\t\tuniforms.sheenColorMap.value = material.sheenColorMap;\n\n\t\t\t}\n\n\t\t\tif ( material.sheenRoughnessMap ) {\n\n\t\t\t\tuniforms.sheenRoughnessMap.value = material.sheenRoughnessMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationColor.value.copy( material.attenuationColor );\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularColor.value.copy( material.specularColor );\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t}\n\n\t\tif ( material.specularColorMap ) {\n\n\t\t\tuniforms.specularColorMap.value = material.specularColorMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDepth( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tuniforms.referencePosition.value.copy( material.referencePosition );\n\t\tuniforms.nearDistance.value = material.nearDistance;\n\t\tuniforms.farDistance.value = material.farDistance;\n\n\t}\n\n\tfunction refreshUniformsNormal( uniforms, material ) {\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = createElementNS( 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nfunction WebGLRenderer( parameters = {} ) {\n\n\tconst _canvas = parameters.canvas !== undefined ? parameters.canvas : createCanvasElement(),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false,\n\t\t_powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default',\n\t\t_failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== undefined ? parameters.failIfMajorPerformanceCaveat : false;\n\n\tlet currentRenderList = null;\n\tlet currentRenderState = null;\n\n\t// render() can be called from within a callback triggered by another render.\n\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\tconst renderListStack = [];\n\tconst renderStateStack = [];\n\n\t// public properties\n\n\tthis.domElement = _canvas;\n\n\t// Debug configuration container\n\tthis.debug = {\n\n\t\t/**\n\t\t * Enables error checking and reporting when shader programs are being compiled\n\t\t * @type {boolean}\n\t\t */\n\t\tcheckShaderErrors: true\n\t};\n\n\t// clearing\n\n\tthis.autoClear = true;\n\tthis.autoClearColor = true;\n\tthis.autoClearDepth = true;\n\tthis.autoClearStencil = true;\n\n\t// scene graph\n\n\tthis.sortObjects = true;\n\n\t// user-defined clipping\n\n\tthis.clippingPlanes = [];\n\tthis.localClippingEnabled = false;\n\n\t// physically based shading\n\n\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\tthis.outputEncoding = LinearEncoding;\n\n\t// physical lights\n\n\tthis.physicallyCorrectLights = false;\n\n\t// tone mapping\n\n\tthis.toneMapping = NoToneMapping;\n\tthis.toneMappingExposure = 1.0;\n\n\t// internal properties\n\n\tconst _this = this;\n\n\tlet _isContextLost = false;\n\n\t// internal state cache\n\n\tlet _currentActiveCubeFace = 0;\n\tlet _currentActiveMipmapLevel = 0;\n\tlet _currentRenderTarget = null;\n\tlet _currentMaterialId = - 1;\n\n\tlet _currentCamera = null;\n\n\tconst _currentViewport = new Vector4();\n\tconst _currentScissor = new Vector4();\n\tlet _currentScissorTest = null;\n\n\t//\n\n\tlet _width = _canvas.width;\n\tlet _height = _canvas.height;\n\n\tlet _pixelRatio = 1;\n\tlet _opaqueSort = null;\n\tlet _transparentSort = null;\n\n\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\tlet _scissorTest = false;\n\n\t//\n\n\tconst _currentDrawBuffers = [];\n\n\t// frustum\n\n\tconst _frustum = new Frustum();\n\n\t// clipping\n\n\tlet _clippingEnabled = false;\n\tlet _localClippingEnabled = false;\n\n\t// transmission\n\n\tlet _transmissionRenderTarget = null;\n\n\t// camera matrices cache\n\n\tconst _projScreenMatrix = new Matrix4();\n\n\tconst _vector3 = new Vector3();\n\n\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\tfunction getTargetPixelRatio() {\n\n\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t}\n\n\t// initialize\n\n\tlet _gl = _context;\n\n\tfunction getContext( contextNames, contextAttributes ) {\n\n\t\tfor ( let i = 0; i < contextNames.length; i ++ ) {\n\n\t\t\tconst contextName = contextNames[ i ];\n\t\t\tconst context = _canvas.getContext( contextName, contextAttributes );\n\t\t\tif ( context !== null ) return context;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\ttry {\n\n\t\tconst contextAttributes = {\n\t\t\talpha: _alpha,\n\t\t\tdepth: _depth,\n\t\t\tstencil: _stencil,\n\t\t\tantialias: _antialias,\n\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer,\n\t\t\tpowerPreference: _powerPreference,\n\t\t\tfailIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat\n\t\t};\n\n\t\t// OffscreenCanvas does not have setAttribute, see #22811\n\t\tif ( 'setAttribute' in _canvas ) _canvas.setAttribute( 'data-engine', `three.js r${REVISION}` );\n\n\t\t// event listeners must be registered before WebGL context is created, see #12753\n\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\tif ( _gl === null ) {\n\n\t\t\tconst contextNames = [ 'webgl2', 'webgl', 'experimental-webgl' ];\n\n\t\t\tif ( _this.isWebGL1Renderer === true ) {\n\n\t\t\t\tcontextNames.shift();\n\n\t\t\t}\n\n\t\t\t_gl = getContext( contextNames, contextAttributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( getContext( contextNames ) ) {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t};\n\n\t\t}\n\n\t} catch ( error ) {\n\n\t\tconsole.error( 'THREE.WebGLRenderer: ' + error.message );\n\t\tthrow error;\n\n\t}\n\n\tlet extensions, capabilities, state, info;\n\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\tlet utils, bindingStates;\n\n\tfunction initGLContext() {\n\n\t\textensions = new WebGLExtensions( _gl );\n\n\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\textensions.init( capabilities );\n\n\t\tutils = new WebGLUtils( _gl, extensions, capabilities );\n\n\t\tstate = new WebGLState( _gl, extensions, capabilities );\n\n\t\t_currentDrawBuffers[ 0 ] = 1029;\n\n\t\tinfo = new WebGLInfo( _gl );\n\t\tproperties = new WebGLProperties();\n\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\tattributes = new WebGLAttributes( _gl, capabilities );\n\t\tbindingStates = new WebGLBindingStates( _gl, extensions, attributes, capabilities );\n\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\tmorphtargets = new WebGLMorphtargets( _gl, capabilities, textures );\n\t\tclipping = new WebGLClipping( properties );\n\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\tmaterials = new WebGLMaterials( properties );\n\t\trenderLists = new WebGLRenderLists( properties );\n\t\trenderStates = new WebGLRenderStates( extensions, capabilities );\n\t\tbackground = new WebGLBackground( _this, cubemaps, state, objects, _premultipliedAlpha );\n\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\n\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities );\n\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities );\n\n\t\tinfo.programs = programCache.programs;\n\n\t\t_this.capabilities = capabilities;\n\t\t_this.extensions = extensions;\n\t\t_this.properties = properties;\n\t\t_this.renderLists = renderLists;\n\t\t_this.shadowMap = shadowMap;\n\t\t_this.state = state;\n\t\t_this.info = info;\n\n\t}\n\n\tinitGLContext();\n\n\t// xr\n\n\tconst xr = new WebXRManager( _this, _gl );\n\n\tthis.xr = xr;\n\n\t// API\n\n\tthis.getContext = function () {\n\n\t\treturn _gl;\n\n\t};\n\n\tthis.getContextAttributes = function () {\n\n\t\treturn _gl.getContextAttributes();\n\n\t};\n\n\tthis.forceContextLoss = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.loseContext();\n\n\t};\n\n\tthis.forceContextRestore = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.restoreContext();\n\n\t};\n\n\tthis.getPixelRatio = function () {\n\n\t\treturn _pixelRatio;\n\n\t};\n\n\tthis.setPixelRatio = function ( value ) {\n\n\t\tif ( value === undefined ) return;\n\n\t\t_pixelRatio = value;\n\n\t\tthis.setSize( _width, _height, false );\n\n\t};\n\n\tthis.getSize = function ( target ) {\n\n\t\treturn target.set( _width, _height );\n\n\t};\n\n\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\tif ( xr.isPresenting ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_canvas.width = Math.floor( width * _pixelRatio );\n\t\t_canvas.height = Math.floor( height * _pixelRatio );\n\n\t\tif ( updateStyle !== false ) {\n\n\t\t\t_canvas.style.width = width + 'px';\n\t\t\t_canvas.style.height = height + 'px';\n\n\t\t}\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t};\n\n\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_pixelRatio = pixelRatio;\n\n\t\t_canvas.width = Math.floor( width * pixelRatio );\n\t\t_canvas.height = Math.floor( height * pixelRatio );\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getCurrentViewport = function ( target ) {\n\n\t\treturn target.copy( _currentViewport );\n\n\t};\n\n\tthis.getViewport = function ( target ) {\n\n\t\treturn target.copy( _viewport );\n\n\t};\n\n\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_viewport.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissor = function ( target ) {\n\n\t\treturn target.copy( _scissor );\n\n\t};\n\n\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_scissor.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissorTest = function () {\n\n\t\treturn _scissorTest;\n\n\t};\n\n\tthis.setScissorTest = function ( boolean ) {\n\n\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t};\n\n\tthis.setOpaqueSort = function ( method ) {\n\n\t\t_opaqueSort = method;\n\n\t};\n\n\tthis.setTransparentSort = function ( method ) {\n\n\t\t_transparentSort = method;\n\n\t};\n\n\t// Clearing\n\n\tthis.getClearColor = function ( target ) {\n\n\t\treturn target.copy( background.getClearColor() );\n\n\t};\n\n\tthis.setClearColor = function () {\n\n\t\tbackground.setClearColor.apply( background, arguments );\n\n\t};\n\n\tthis.getClearAlpha = function () {\n\n\t\treturn background.getClearAlpha();\n\n\t};\n\n\tthis.setClearAlpha = function () {\n\n\t\tbackground.setClearAlpha.apply( background, arguments );\n\n\t};\n\n\tthis.clear = function ( color, depth, stencil ) {\n\n\t\tlet bits = 0;\n\n\t\tif ( color === undefined || color ) bits |= 16384;\n\t\tif ( depth === undefined || depth ) bits |= 256;\n\t\tif ( stencil === undefined || stencil ) bits |= 1024;\n\n\t\t_gl.clear( bits );\n\n\t};\n\n\tthis.clearColor = function () {\n\n\t\tthis.clear( true, false, false );\n\n\t};\n\n\tthis.clearDepth = function () {\n\n\t\tthis.clear( false, true, false );\n\n\t};\n\n\tthis.clearStencil = function () {\n\n\t\tthis.clear( false, false, true );\n\n\t};\n\n\t//\n\n\tthis.dispose = function () {\n\n\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\trenderLists.dispose();\n\t\trenderStates.dispose();\n\t\tproperties.dispose();\n\t\tcubemaps.dispose();\n\t\tcubeuvmaps.dispose();\n\t\tobjects.dispose();\n\t\tbindingStates.dispose();\n\n\t\txr.dispose();\n\n\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\tif ( _transmissionRenderTarget ) {\n\n\t\t\t_transmissionRenderTarget.dispose();\n\t\t\t_transmissionRenderTarget = null;\n\n\t\t}\n\n\t\tanimation.stop();\n\n\t};\n\n\t// Events\n\n\tfunction onContextLost( event ) {\n\n\t\tevent.preventDefault();\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Lost.' );\n\n\t\t_isContextLost = true;\n\n\t}\n\n\tfunction onContextRestore( /* event */ ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Restored.' );\n\n\t\t_isContextLost = false;\n\n\t\tconst infoAutoReset = info.autoReset;\n\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\tconst shadowMapType = shadowMap.type;\n\n\t\tinitGLContext();\n\n\t\tinfo.autoReset = infoAutoReset;\n\t\tshadowMap.enabled = shadowMapEnabled;\n\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\tshadowMap.type = shadowMapType;\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\tdeallocateMaterial( material );\n\n\t}\n\n\t// Buffer deallocation\n\n\tfunction deallocateMaterial( material ) {\n\n\t\treleaseMaterialProgramReferences( material );\n\n\t\tproperties.remove( material );\n\n\t}\n\n\n\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\tconst programs = properties.get( material ).programs;\n\n\t\tif ( programs !== undefined ) {\n\n\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\t// Buffer rendering\n\n\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\tconst program = setProgram( camera, scene, geometry, material, object );\n\n\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t//\n\n\t\tlet index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\n\t\t//\n\n\t\tif ( index === null ) {\n\n\t\t\tif ( position === undefined || position.count === 0 ) return;\n\n\t\t} else if ( index.count === 0 ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t//\n\n\t\tlet rangeFactor = 1;\n\n\t\tif ( material.wireframe === true ) {\n\n\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\t\t\trangeFactor = 2;\n\n\t\t}\n\n\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\tlet attribute;\n\t\tlet renderer = bufferRenderer;\n\n\t\tif ( index !== null ) {\n\n\t\t\tattribute = attributes.get( index );\n\n\t\t\trenderer = indexedBufferRenderer;\n\t\t\trenderer.setIndex( attribute );\n\n\t\t}\n\n\t\t//\n\n\t\tconst dataCount = ( index !== null ) ? index.count : position.count;\n\n\t\tconst rangeStart = geometry.drawRange.start * rangeFactor;\n\t\tconst rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\tconst groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\tconst groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\tconst drawStart = Math.max( rangeStart, groupStart );\n\t\tconst drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\tconst drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\t//\n\n\t\tif ( object.isMesh ) {\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 4 );\n\n\t\t\t}\n\n\t\t} else if ( object.isLine ) {\n\n\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\trenderer.setMode( 2 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 3 );\n\n\t\t\t}\n\n\t\t} else if ( object.isPoints ) {\n\n\t\t\trenderer.setMode( 0 );\n\n\t\t} else if ( object.isSprite ) {\n\n\t\t\trenderer.setMode( 4 );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\tconst instanceCount = Math.min( geometry.instanceCount, geometry._maxInstanceCount );\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t} else {\n\n\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t}\n\n\t};\n\n\t// Compile\n\n\tthis.compile = function ( scene, camera ) {\n\n\t\tcurrentRenderState = renderStates.get( scene );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tscene.traverse( function ( object ) {\n\n\t\t\tconst material = object.material;\n\n\t\t\tif ( material ) {\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\tgetProgram( material2, scene, object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\trenderStateStack.pop();\n\t\tcurrentRenderState = null;\n\n\t};\n\n\t// Animation Loop\n\n\tlet onAnimationFrameCallback = null;\n\n\tfunction onAnimationFrame( time ) {\n\n\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t}\n\n\tfunction onXRSessionStart() {\n\n\t\tanimation.stop();\n\n\t}\n\n\tfunction onXRSessionEnd() {\n\n\t\tanimation.start();\n\n\t}\n\n\tconst animation = new WebGLAnimation();\n\tanimation.setAnimationLoop( onAnimationFrame );\n\n\tif ( typeof window !== 'undefined' ) animation.setContext( window );\n\n\tthis.setAnimationLoop = function ( callback ) {\n\n\t\tonAnimationFrameCallback = callback;\n\t\txr.setAnimationLoop( callback );\n\n\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t};\n\n\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t// Rendering\n\n\tthis.render = function ( scene, camera ) {\n\n\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( _isContextLost === true ) return;\n\n\t\t// update scene graph\n\n\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t// update camera matrices and frustum\n\n\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t}\n\n\t\t//\n\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\tcurrentRenderList.init();\n\n\t\trenderListStack.push( currentRenderList );\n\n\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\tcurrentRenderList.finish();\n\n\t\tif ( _this.sortObjects === true ) {\n\n\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t//\n\n\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t//\n\n\t\tbackground.render( currentRenderList, scene );\n\n\t\t// render scene\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tif ( camera.isArrayCamera ) {\n\n\t\t\tconst cameras = camera.cameras;\n\n\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\tstate.buffers.depth.setTest( true );\n\t\tstate.buffers.depth.setMask( true );\n\t\tstate.buffers.color.setMask( true );\n\n\t\tstate.setPolygonOffset( false );\n\n\t\t// _gl.finish();\n\n\t\tbindingStates.resetDefaultState();\n\t\t_currentMaterialId = - 1;\n\t\t_currentCamera = null;\n\n\t\trenderStateStack.pop();\n\n\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderState = null;\n\n\t\t}\n\n\t\trenderListStack.pop();\n\n\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderList = null;\n\n\t\t}\n\n\t};\n\n\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible ) {\n\n\t\t\tif ( object.isGroup ) {\n\n\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t// update skeleton only once in a frame\n\n\t\t\t\t\tif ( object.skeleton.frame !== info.render.frame ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\t\t\t\t\t\tobject.skeleton.frame = info.render.frame;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t}\n\n\t}\n\n\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\t\tconst transparentObjects = currentRenderList.transparent;\n\n\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, scene, camera );\n\n\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t}\n\n\tfunction renderTransmissionPass( opaqueObjects, scene, camera ) {\n\n\t\tif ( _transmissionRenderTarget === null ) {\n\n\t\t\tconst needsAntialias = _antialias === true && capabilities.isWebGL2 === true;\n\t\t\tconst renderTargetType = needsAntialias ? WebGLMultisampleRenderTarget : WebGLRenderTarget;\n\n\t\t\t_transmissionRenderTarget = new renderTargetType( 1024, 1024, {\n\t\t\t\tgenerateMipmaps: true,\n\t\t\t\ttype: utils.convert( HalfFloatType ) !== null ? HalfFloatType : UnsignedByteType,\n\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\tmagFilter: NearestFilter,\n\t\t\t\twrapS: ClampToEdgeWrapping,\n\t\t\t\twrapT: ClampToEdgeWrapping,\n\t\t\t\tuseRenderToTexture: extensions.has( 'WEBGL_multisampled_render_to_texture' )\n\t\t\t} );\n\n\t\t}\n\n\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t_this.setRenderTarget( _transmissionRenderTarget );\n\t\t_this.clear();\n\n\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\tconst currentToneMapping = _this.toneMapping;\n\t\t_this.toneMapping = NoToneMapping;\n\n\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t_this.toneMapping = currentToneMapping;\n\n\t\ttextures.updateMultisampleRenderTarget( _transmissionRenderTarget );\n\t\ttextures.updateRenderTargetMipmap( _transmissionRenderTarget );\n\n\t\t_this.setRenderTarget( currentRenderTarget );\n\n\t}\n\n\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\tconst object = renderItem.object;\n\t\t\tconst geometry = renderItem.geometry;\n\t\t\tconst material = overrideMaterial === null ? renderItem.material : overrideMaterial;\n\t\t\tconst group = renderItem.group;\n\n\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\tmaterial.onBeforeRender( _this, scene, camera, geometry, object, group );\n\n\t\tif ( material.transparent === true && material.side === DoubleSide ) {\n\n\t\t\tmaterial.side = BackSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = FrontSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = DoubleSide;\n\n\t\t} else {\n\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t}\n\n\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t}\n\n\tfunction getProgram( material, scene, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst lights = currentRenderState.state.lights;\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tconst lightsStateVersion = lights.state.version;\n\n\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\tlet programs = materialProperties.programs;\n\n\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tmaterialProperties.fog = scene.fog;\n\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\n\t\tif ( programs === undefined ) {\n\n\t\t\t// new material\n\n\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tprograms = new Map();\n\t\t\tmaterialProperties.programs = programs;\n\n\t\t}\n\n\t\tlet program = programs.get( programCacheKey );\n\n\t\tif ( program !== undefined ) {\n\n\t\t\t// early out if program and light state is identical\n\n\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\treturn program;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\tmaterial.onBuild( object, parameters, _this );\n\n\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t}\n\n\t\tconst uniforms = materialProperties.uniforms;\n\n\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t}\n\n\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t// store the light setup it was created for\n\n\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\tuniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix;\n\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t}\n\n\t\tconst progUniforms = program.getUniforms();\n\t\tconst uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\tmaterialProperties.currentProgram = program;\n\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\treturn program;\n\n\t}\n\n\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tmaterialProperties.outputEncoding = parameters.outputEncoding;\n\t\tmaterialProperties.instancing = parameters.instancing;\n\t\tmaterialProperties.skinning = parameters.skinning;\n\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\tmaterialProperties.morphTargetsCount = parameters.morphTargetsCount;\n\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\n\t}\n\n\tfunction setProgram( camera, scene, geometry, material, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\ttextures.resetTextureUnits();\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tconst encoding = ( _currentRenderTarget === null ) ? _this.outputEncoding : _currentRenderTarget.texture.encoding;\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4;\n\t\tconst vertexTangents = !! material.normalMap && !! geometry.attributes.tangent;\n\t\tconst morphTargets = !! geometry.morphAttributes.position;\n\t\tconst morphNormals = !! geometry.morphAttributes.normal;\n\t\tconst morphTargetsCount = !! geometry.morphAttributes.position ? geometry.morphAttributes.position.length : 0;\n\n\t\tconst materialProperties = properties.get( material );\n\t\tconst lights = currentRenderState.state.lights;\n\n\t\tif ( _clippingEnabled === true ) {\n\n\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\tconst useCache =\n\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t// (#8465, #8379)\n\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tlet needsProgramChange = false;\n\n\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.outputEncoding !== encoding ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( capabilities.isWebGL2 === true && materialProperties.morphTargetsCount !== morphTargetsCount ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tneedsProgramChange = true;\n\t\t\tmaterialProperties.__version = material.version;\n\n\t\t}\n\n\t\t//\n\n\t\tlet program = materialProperties.currentProgram;\n\n\t\tif ( needsProgramChange === true ) {\n\n\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t}\n\n\t\tlet refreshProgram = false;\n\t\tlet refreshMaterial = false;\n\t\tlet refreshLights = false;\n\n\t\tconst p_uniforms = program.getUniforms(),\n\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\trefreshProgram = true;\n\t\t\trefreshMaterial = true;\n\t\t\trefreshLights = true;\n\n\t\t}\n\n\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t_currentMaterialId = material.id;\n\n\t\t\trefreshMaterial = true;\n\n\t\t}\n\n\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t}\n\n\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t}\n\n\t\t\t// load material specific uniforms\n\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\tmaterial.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.envMap ) {\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ||\n\t\t\t\tmaterial.isShadowMaterial ||\n\t\t\t\tobject.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// skinning and morph target uniforms must be set even if material didn't change\n\t\t// auto-setting of texture unit for bone and morph texture must go before other textures\n\t\t// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( skeleton ) {\n\n\t\t\t\tif ( capabilities.floatVertexTextures ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( !! geometry && ( geometry.morphAttributes.position !== undefined || geometry.morphAttributes.normal !== undefined ) ) {\n\n\t\t\tmorphtargets.update( object, geometry, material, program );\n\n\t\t}\n\n\n\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t}\n\n\t\tif ( refreshMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t// values\n\t\t\t\t//\n\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t// the GL state when required\n\n\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t}\n\n\t\t\t// refresh uniforms common to several materials\n\n\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t}\n\n\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget );\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\n\t\t}\n\n\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t}\n\n\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t}\n\n\t\t// common matrices\n\n\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\treturn program;\n\n\t}\n\n\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\tuniforms.directionalLights.needsUpdate = value;\n\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\tuniforms.pointLights.needsUpdate = value;\n\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\tuniforms.spotLights.needsUpdate = value;\n\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t}\n\n\tfunction materialNeedsLights( material ) {\n\n\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t}\n\n\tthis.getActiveCubeFace = function () {\n\n\t\treturn _currentActiveCubeFace;\n\n\t};\n\n\tthis.getActiveMipmapLevel = function () {\n\n\t\treturn _currentActiveMipmapLevel;\n\n\t};\n\n\tthis.getRenderTarget = function () {\n\n\t\treturn _currentRenderTarget;\n\n\t};\n\n\tthis.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) {\n\n\t\tproperties.get( renderTarget.texture ).__webglTexture = colorTexture;\n\t\tproperties.get( renderTarget.depthTexture ).__webglTexture = depthTexture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__hasExternalTextures = true;\n\n\t\tif ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\trenderTargetProperties.__autoAllocateDepthBuffer = depthTexture === undefined;\n\n\t\t\tif ( ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\t\t// The multisample_render_to_texture extension doesn't work properly if there\n\t\t\t\t// are midframe flushes and an external depth buffer. Disable use of the extension.\n\t\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\t\tconsole.warn( 'render-to-texture extension was disabled because an external texture was provided' );\n\t\t\t\t\trenderTarget.useRenderToTexture = false;\n\t\t\t\t\trenderTarget.useRenderbuffer = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__webglFramebuffer = defaultFramebuffer;\n\t\trenderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined;\n\n\t};\n\n\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t_currentRenderTarget = renderTarget;\n\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\t\tlet useDefaultFramebuffer = true;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tif ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) {\n\n\t\t\t\t// We need to make sure to rebind the framebuffer.\n\t\t\t\tstate.bindFramebuffer( 36160, null );\n\t\t\t\tuseDefaultFramebuffer = false;\n\n\t\t\t} else if ( renderTargetProperties.__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t} else if ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\t\t// Color and depth texture must be rebound in order for the swapchain to update.\n\t\t\t\ttextures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet framebuffer = null;\n\t\tlet isCube = false;\n\t\tlet isRenderTarget3D = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst texture = renderTarget.texture;\n\n\t\t\tif ( texture.isDataTexture3D || texture.isDataTexture2DArray ) {\n\n\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t}\n\n\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\t\t\t\tisCube = true;\n\n\t\t\t} else if ( renderTarget.useRenderbuffer ) {\n\n\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t}\n\n\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t} else {\n\n\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t}\n\n\t\tconst framebufferBound = state.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( framebufferBound && capabilities.drawBuffers && useDefaultFramebuffer ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== textures.length || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t_currentDrawBuffers[ i ] = 36064 + i;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t_currentDrawBuffers.length = textures.length;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\t_currentDrawBuffers[ 0 ] = 36064;\n\t\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 1029 ) {\n\n\t\t\t\t\t_currentDrawBuffers[ 0 ] = 1029;\n\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t\t_gl.drawBuffers( _currentDrawBuffers );\n\n\t\t\t\t} else {\n\n\t\t\t\t\textensions.get( 'WEBGL_draw_buffers' ).drawBuffersWEBGL( _currentDrawBuffers );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport );\n\t\tstate.scissor( _currentScissor );\n\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\tif ( isCube ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t_gl.framebufferTexture2D( 36160, 36064, 34069 + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\tconst layer = activeCubeFace || 0;\n\t\t\t_gl.framebufferTextureLayer( 36160, 36064, textureProperties.__webglTexture, activeMipmapLevel || 0, layer );\n\n\t\t}\n\n\t\t_currentMaterialId = - 1; // reset current material to ensure correct uniform bindings\n\n\t};\n\n\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t}\n\n\t\tif ( framebuffer ) {\n\n\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\ttry {\n\n\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( 35739 ) ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || ( capabilities.isWebGL2 && extensions.has( 'EXT_color_buffer_float' ) ) );\n\n\t\t\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( 35738 ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.has( 'OES_texture_float' ) || extensions.has( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t! halfFloatSupportedByExt ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _gl.checkFramebufferStatus( 36160 ) === 36053 ) {\n\n\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t}\n\n\t\t\t} finally {\n\n\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.copyFramebufferToTexture = function ( position, texture, level = 0 ) {\n\n\t\tconst levelScale = Math.pow( 2, - level );\n\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\tlet glFormat = utils.convert( texture.format );\n\n\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t// Workaround for https://bugs.chromium.org/p/chromium/issues/detail?id=1120100\n\t\t\t// Not needed in Chrome 93+\n\n\t\t\tif ( glFormat === 6407 ) glFormat = 32849;\n\t\t\tif ( glFormat === 6408 ) glFormat = 32856;\n\n\t\t}\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t_gl.copyTexImage2D( 3553, level, glFormat, position.x, position.y, width, height, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture = function ( position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tconst width = srcTexture.image.width;\n\t\tconst height = srcTexture.image.height;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\n\t\ttextures.setTexture2D( dstTexture, 0 );\n\n\t\t// As another texture upload may have changed pixelStorei\n\t\t// parameters, make sure they are correct for the dstTexture\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t_gl.compressedTexSubImage2D( 3553, level, position.x, position.y, srcTexture.mipmaps[ 0 ].width, srcTexture.mipmaps[ 0 ].height, glFormat, srcTexture.mipmaps[ 0 ].data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, glFormat, glType, srcTexture.image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( 3553 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture3D = function ( sourceBox, position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tif ( _this.isWebGL1Renderer ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst width = sourceBox.max.x - sourceBox.min.x + 1;\n\t\tconst height = sourceBox.max.y - sourceBox.min.y + 1;\n\t\tconst depth = sourceBox.max.z - sourceBox.min.z + 1;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\t\tlet glTarget;\n\n\t\tif ( dstTexture.isDataTexture3D ) {\n\n\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\tglTarget = 32879;\n\n\t\t} else if ( dstTexture.isDataTexture2DArray ) {\n\n\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\tglTarget = 35866;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tconst unpackRowLen = _gl.getParameter( 3314 );\n\t\tconst unpackImageHeight = _gl.getParameter( 32878 );\n\t\tconst unpackSkipPixels = _gl.getParameter( 3316 );\n\t\tconst unpackSkipRows = _gl.getParameter( 3315 );\n\t\tconst unpackSkipImages = _gl.getParameter( 32877 );\n\n\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image;\n\n\t\t_gl.pixelStorei( 3314, image.width );\n\t\t_gl.pixelStorei( 32878, image.height );\n\t\t_gl.pixelStorei( 3316, sourceBox.min.x );\n\t\t_gl.pixelStorei( 3315, sourceBox.min.y );\n\t\t_gl.pixelStorei( 32877, sourceBox.min.z );\n\n\t\tif ( srcTexture.isDataTexture || srcTexture.isDataTexture3D ) {\n\n\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture.' );\n\t\t\t\t_gl.compressedTexSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, image.data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.pixelStorei( 3314, unpackRowLen );\n\t\t_gl.pixelStorei( 32878, unpackImageHeight );\n\t\t_gl.pixelStorei( 3316, unpackSkipPixels );\n\t\t_gl.pixelStorei( 3315, unpackSkipRows );\n\t\t_gl.pixelStorei( 32877, unpackSkipImages );\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( glTarget );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.initTexture = function ( texture ) {\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.resetState = function () {\n\n\t\t_currentActiveCubeFace = 0;\n\t\t_currentActiveMipmapLevel = 0;\n\t\t_currentRenderTarget = null;\n\n\t\tstate.reset();\n\t\tbindingStates.reset();\n\n\t};\n\n\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t}\n\n}\n\nWebGLRenderer.prototype.isWebGLRenderer = true;\n\nclass WebGL1Renderer extends WebGLRenderer {}\n\nWebGL1Renderer.prototype.isWebGL1Renderer = true;\n\nclass FogExp2 {\n\n\tconstructor( color, density = 0.00025 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = density;\n\n\t}\n\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\nFogExp2.prototype.isFogExp2 = true;\n\nclass Fog {\n\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\nFog.prototype.isFog = true;\n\nclass Scene extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.environment = null;\n\t\tthis.fog = null;\n\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nScene.prototype.isScene = true;\n\nclass InterleavedBuffer {\n\n\tconstructor( array, stride ) {\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= attribute.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.prototype.slice.call( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nInterleavedBuffer.prototype.isInterleavedBuffer = true;\n\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\nclass InterleavedBufferAttribute {\n\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\tthis.name = '';\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// deinterleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interlaved attribtue\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\nInterleavedBufferAttribute.prototype.isInterleavedBufferAttribute = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  map: new THREE.Texture( <Image> ),\n *  alphaMap: new THREE.Texture( <Image> ),\n *  rotation: <float>,\n *  sizeAttenuation: <bool>\n * }\n */\n\nclass SpriteMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpriteMaterial.prototype.isSpriteMaterial = true;\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\nclass Sprite extends Object3D {\n\n\tconstructor( material ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0, 0,\n\t\t\t\t0.5, - 0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\tthis.geometry = _geometry;\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\tconsole.error( 'THREE.Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getUV( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSprite.prototype.isSprite = true;\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\nclass LOD extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t},\n\t\t\tisLOD: {\n\t\t\t\tvalue: true,\n\t\t\t}\n\t\t} );\n\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\taddLevel( object, distance = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\nclass SkinnedMesh extends Mesh {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = 'attached';\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\treturn this;\n\n\t}\n\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.x = skinWeight.getX( i );\n\t\t\tvector.y = skinWeight.getY( i );\n\t\t\tvector.z = skinWeight.getZ( i );\n\t\t\tvector.w = skinWeight.getW( i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === 'attached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === 'detached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\tboneTransform( index, target ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.copy( target ).applyMatrix4( this.bindMatrix );\n\n\t\ttarget.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\ttarget.addScaledVector( _vector$5.copy( _basePosition ).applyMatrix4( _matrix ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn target.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\nSkinnedMesh.prototype.isSkinnedMesh = true;\n\nclass Bone extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\nBone.prototype.isBone = true;\n\nclass DataTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture.prototype.isDataTexture = true;\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\nclass Skeleton {\n\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.bones = bones.slice( 0 );\n\t\tthis.boneInverses = boneInverses;\n\t\tthis.boneMatrices = null;\n\n\t\tthis.boneTexture = null;\n\t\tthis.boneTextureSize = 0;\n\n\t\tthis.frame = - 1;\n\n\t\tthis.init();\n\n\t}\n\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t//      RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t//  with  8x8  pixel texture max   16 bones * 4 pixels =  (8 * 8)\n\t\t//       16x16 pixel texture max   64 bones * 4 pixels = (16 * 16)\n\t\t//       32x32 pixel texture max  256 bones * 4 pixels = (32 * 32)\n\t\t//       64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = ceilPowerOfTwo( size );\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\t\tthis.boneTextureSize = size;\n\n\t\treturn this;\n\n\t}\n\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tif ( typeof normalized === 'number' ) {\n\n\t\t\tmeshPerAttribute = normalized;\n\n\t\t\tnormalized = false;\n\n\t\t\tconsole.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' );\n\n\t\t}\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _mesh = /*@__PURE__*/ new Mesh();\n\nclass InstancedMesh extends Mesh {\n\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\t\tthis.instanceColor = null;\n\n\t\tthis.count = count;\n\n\t\tthis.frustumCulled = false;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh.geometry = this.geometry;\n\t\t_mesh.material = this.material;\n\n\t\tif ( _mesh.material === undefined ) return;\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nInstancedMesh.prototype.isInstancedMesh = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *\n *  linewidth: <float>,\n *  linecap: \"round\",\n *  linejoin: \"round\"\n * }\n */\n\nclass LineBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\nconst _start$1 = /*@__PURE__*/ new Vector3();\nconst _end$1 = /*@__PURE__*/ new Vector3();\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nclass Line extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t\t_start$1.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t\t_end$1.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i ] += _start$1.distanceTo( _end$1 );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst vStart = new Vector3();\n\t\tconst vEnd = new Vector3();\n\t\tconst interSegment = new Vector3();\n\t\tconst interRay = new Vector3();\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, a );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, b );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nLine.prototype.isLine = true;\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\nclass LineSegments extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [];\n\n\t\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineSegments.prototype.isLineSegments = true;\n\nclass LineLoop extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\nLineLoop.prototype.isLineLoop = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *  map: new THREE.Texture( <Image> ),\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  size: <float>,\n *  sizeAttenuation: <bool>\n *\n * }\n */\n\nclass PointsMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointsMaterial.prototype.isPointsMaterial = true;\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\nclass Points extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nPoints.prototype.isPoints = true;\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\nclass VideoTexture extends Texture {\n\n\tconstructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.format = format !== undefined ? format : RGBFormat;\n\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearFilter;\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nVideoTexture.prototype.isVideoTexture = true;\n\nclass CompressedTexture extends Texture {\n\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\nCompressedTexture.prototype.isCompressedTexture = true;\n\nclass CanvasTexture extends Texture {\n\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nCanvasTexture.prototype.isCanvasTexture = true;\n\nclass CircleGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, segments = 8, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass CylinderGeometry extends BufferGeometry {\n\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// update group counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ConeGeometry extends CylinderGeometry {\n\n\tconstructor( radius = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass PolyhedronGeometry extends BufferGeometry {\n\n\tconstructor( vertices = [], indices = [], radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (\u00B11, \u00B11, \u00B11)\n\t\t\t- 1, - 1, - 1,\t- 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t1, - 1, - 1, 1, - 1, 1,\n\t\t\t1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, \u00B11/\u03C6, \u00B1\u03C6)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (\u00B11/\u03C6, \u00B1\u03C6, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (\u00B1\u03C6, 0, \u00B11/\u03C6)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = new Vector3();\nconst _v1$1 = new Vector3();\nconst _normal = new Vector3();\nconst _triangle = new Triangle();\n\nclass EdgesGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null, thresholdAngle = 1 ) {\n\n\t\tsuper();\n\t\tthis.type = 'EdgesGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry,\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\tconst precisionPoints = 4;\n\t\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\t\tconst indexAttr = geometry.getIndex();\n\t\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\t\tconst indexArr = [ 0, 0, 0 ];\n\t\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\t\tconst hashes = new Array( 3 );\n\n\t\t\tconst edgeData = {};\n\t\t\tconst vertices = [];\n\t\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\t\tif ( indexAttr ) {\n\n\t\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t\t}\n\n\t\t\t\tconst { a, b, c } = _triangle;\n\t\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t\t// create hashes for the edge from the vertices\n\t\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t\t// skip degenerate triangles\n\t\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\t// iterate over every edge\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\t\tfor ( const key in edgeData ) {\n\n\t\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Extensible curve object.\n *\n * Some common of curve methods:\n * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )\n * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )\n * .getPoints(), .getSpacedPoints()\n * .getLength()\n * .updateArcLengths()\n *\n * This following curves inherit from THREE.Curve:\n *\n * -- 2D curves --\n * THREE.ArcCurve\n * THREE.CubicBezierCurve\n * THREE.EllipseCurve\n * THREE.LineCurve\n * THREE.QuadraticBezierCurve\n * THREE.SplineCurve\n *\n * -- 3D curves --\n * THREE.CatmullRomCurve3\n * THREE.CubicBezierCurve3\n * THREE.LineCurve3\n * THREE.QuadraticBezierCurve3\n *\n * A series of curves can be represented as a THREE.CurvePath.\n *\n **/\n\nclass Curve {\n\n\tconstructor() {\n\n\t\tthis.type = 'Curve';\n\n\t\tthis.arcLengthDivisions = 200;\n\n\t}\n\n\t// Virtual base class method to overwrite and implement in subclasses\n\t//\t- t [0 .. 1]\n\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\tconsole.warn( 'THREE.Curve: .getPoint() not implemented.' );\n\t\treturn null;\n\n\t}\n\n\t// Get point at relative position in curve according to arc length\n\t// - u [0 .. 1]\n\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t// Get sequence of points using getPoint( t )\n\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get total curve arc length\n\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t// Get list of cumulative segment lengths\n\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\tgetUtoTmapping( u, distance ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t// Returns a unit vector tangent at t\n\t// In case any sub curve does not implement its tangent derivation,\n\t// 2 points a small delta apart will be used to find its gradient\n\t// which seems to give a reasonable approximation\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\tcomputeFrenetFrames( segments, closed ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass EllipseCurve extends Curve {\n\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst point = optionalTarget || new Vector2();\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nEllipseCurve.prototype.isEllipseCurve = true;\n\nclass ArcCurve extends EllipseCurve {\n\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\nArcCurve.prototype.isArcCurve = true;\n\n/**\n * Centripetal CatmullRom Curve - which is useful for avoiding\n * cusps and self-intersections in non-uniform catmull rom curves.\n * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n *\n * curve.type accepts centripetal(default), chordal and catmullrom\n * curve.tension is used for catmullrom which defaults to 0.5\n */\n\n\n/*\nBased on an optimized c++ solution in\n - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n - http://ideone.com/NoEbVM\n\nThis CubicPoly class could be used for reusing some variables and calculations,\nbut for three.js curve use, it could be possible inlined and flatten into a single function call\nwhich can be placed in CurveUtils.\n*/\n\nfunction CubicPoly() {\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t *   p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t *   p(0) = x0, p(1) = x1\n\t *  and\n\t *   p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = new Vector3();\nconst px = new CubicPoly(), py = new CubicPoly(), pz = new CubicPoly();\n\nclass CatmullRomCurve3 extends Curve {\n\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\tthis.points = points;\n\t\tthis.closed = closed;\n\t\tthis.curveType = curveType;\n\t\tthis.tension = tension;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\nCatmullRomCurve3.prototype.isCatmullRomCurve3 = true;\n\n/**\n * Bezier Curves formulas obtained from\n * http://en.wikipedia.org/wiki/B\u00E9zier_curve\n */\n\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\nclass CubicBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve.prototype.isCubicBezierCurve = true;\n\nclass CubicBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve3.prototype.isCubicBezierCurve3 = true;\n\nclass LineCurve extends Curve {\n\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst tangent = optionalTarget || new Vector2();\n\n\t\ttangent.copy( this.v2 ).sub( this.v1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineCurve.prototype.isLineCurve = true;\n\nclass LineCurve3 extends Curve {\n\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve3';\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve.prototype.isQuadraticBezierCurve = true;\n\nclass QuadraticBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true;\n\nclass SplineCurve extends Curve {\n\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SplineCurve';\n\n\t\tthis.points = points;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nSplineCurve.prototype.isSplineCurve = true;\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**************************************************************\n *\tCurved Path - a curve path is simply a array of connected\n *  curves, but retains the api of a curve\n **************************************************************/\n\nclass CurvePath extends Curve {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\tthis.curves = [];\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t}\n\n\t}\n\n\t// To get accurate point with reference to\n\t// entire path distance at time t,\n\t// following has to be done:\n\n\t// 1. Length of each sub path have to be known\n\t// 2. Locate and identify type of curve\n\t// 3. Get t for the curve\n\t// 4. Return curve.getPointAt(t')\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u, optionalTarget );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 <d\n\n\t}\n\n\t// We cannot use the default THREE.Curve getPoint() with getLength() because in\n\t// THREE.Curve, getLength() depends on getPoint() but in THREE.CurvePath\n\t// getPoint() depends on getLength\n\n\tgetLength() {\n\n\t\tconst lens = this.getCurveLengths();\n\t\treturn lens[ lens.length - 1 ];\n\n\t}\n\n\t// cacheLengths must be recalculated.\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.cacheLengths = null;\n\t\tthis.getCurveLengths();\n\n\t}\n\n\t// Compute lengths and cache them\n\t// We cannot overwrite getLengths() because UtoT mapping uses it.\n\n\tgetCurveLengths() {\n\n\t\t// We use cache values if curves and cache array are same length\n\n\t\tif ( this.cacheLengths && this.cacheLengths.length === this.curves.length ) {\n\n\t\t\treturn this.cacheLengths;\n\n\t\t}\n\n\t\t// Get length of sub-curve\n\t\t// Push sums into cached array\n\n\t\tconst lengths = [];\n\t\tlet sums = 0;\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tsums += this.curves[ i ].getLength();\n\t\t\tlengths.push( sums );\n\n\t\t}\n\n\t\tthis.cacheLengths = lengths;\n\n\t\treturn lengths;\n\n\t}\n\n\tgetSpacedPoints( divisions = 40 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let i = 0; i <= divisions; i ++ ) {\n\n\t\t\tpoints.push( this.getPoint( i / divisions ) );\n\n\t\t}\n\n\t\tif ( this.autoClose ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tgetPoints( divisions = 12 ) {\n\n\t\tconst points = [];\n\t\tlet last;\n\n\t\tfor ( let i = 0, curves = this.curves; i < curves.length; i ++ ) {\n\n\t\t\tconst curve = curves[ i ];\n\t\t\tconst resolution = ( curve && curve.isEllipseCurve ) ? divisions * 2\n\t\t\t\t: ( curve && ( curve.isLineCurve || curve.isLineCurve3 ) ) ? 1\n\t\t\t\t\t: ( curve && curve.isSplineCurve ) ? divisions * curve.points.length\n\t\t\t\t\t\t: divisions;\n\n\t\t\tconst pts = curve.getPoints( resolution );\n\n\t\t\tfor ( let j = 0; j < pts.length; j ++ ) {\n\n\t\t\t\tconst point = pts[ j ];\n\n\t\t\t\tif ( last && last.equals( point ) ) continue; // ensures no consecutive points are duplicates\n\n\t\t\t\tpoints.push( point );\n\t\t\t\tlast = point;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.autoClose && points.length > 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Path extends CurvePath {\n\n\tconstructor( points ) {\n\n\t\tsuper();\n\t\tthis.type = 'Path';\n\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts /*Array of Vector*/ ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Shape extends Path {\n\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\tthis.holes = [];\n\n\t}\n\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Port from https://github.com/mapbox/earcut (v2.2.2)\n */\n\nconst Earcut = {\n\n\ttriangulate: function ( data, holeIndices, dim = 2 ) {\n\n\t\tconst hasHoles = holeIndices && holeIndices.length;\n\t\tconst outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length;\n\t\tlet outerNode = linkedList( data, 0, outerLen, dim, true );\n\t\tconst triangles = [];\n\n\t\tif ( ! outerNode || outerNode.next === outerNode.prev ) return triangles;\n\n\t\tlet minX, minY, maxX, maxY, x, y, invSize;\n\n\t\tif ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );\n\n\t\t// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\t\tif ( data.length > 80 * dim ) {\n\n\t\t\tminX = maxX = data[ 0 ];\n\t\t\tminY = maxY = data[ 1 ];\n\n\t\t\tfor ( let i = dim; i < outerLen; i += dim ) {\n\n\t\t\t\tx = data[ i ];\n\t\t\t\ty = data[ i + 1 ];\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\n\t\t\t}\n\n\t\t\t// minX, minY and invSize are later used to transform coords into integers for z-order calculation\n\t\t\tinvSize = Math.max( maxX - minX, maxY - minY );\n\t\t\tinvSize = invSize !== 0 ? 1 / invSize : 0;\n\n\t\t}\n\n\t\tearcutLinked( outerNode, triangles, dim, minX, minY, invSize );\n\n\t\treturn triangles;\n\n\t}\n\n};\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList( data, start, end, dim, clockwise ) {\n\n\tlet i, last;\n\n\tif ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {\n\n\t\tfor ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t} else {\n\n\t\tfor ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t}\n\n\tif ( last && equals( last, last.next ) ) {\n\n\t\tremoveNode( last );\n\t\tlast = last.next;\n\n\t}\n\n\treturn last;\n\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints( start, end ) {\n\n\tif ( ! start ) return start;\n\tif ( ! end ) end = start;\n\n\tlet p = start,\n\t\tagain;\n\tdo {\n\n\t\tagain = false;\n\n\t\tif ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {\n\n\t\t\tremoveNode( p );\n\t\t\tp = end = p.prev;\n\t\t\tif ( p === p.next ) break;\n\t\t\tagain = true;\n\n\t\t} else {\n\n\t\t\tp = p.next;\n\n\t\t}\n\n\t} while ( again || p !== end );\n\n\treturn end;\n\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {\n\n\tif ( ! ear ) return;\n\n\t// interlink polygon nodes in z-order\n\tif ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );\n\n\tlet stop = ear,\n\t\tprev, next;\n\n\t// iterate through ears, slicing them one by one\n\twhile ( ear.prev !== ear.next ) {\n\n\t\tprev = ear.prev;\n\t\tnext = ear.next;\n\n\t\tif ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {\n\n\t\t\t// cut off the triangle\n\t\t\ttriangles.push( prev.i / dim );\n\t\t\ttriangles.push( ear.i / dim );\n\t\t\ttriangles.push( next.i / dim );\n\n\t\t\tremoveNode( ear );\n\n\t\t\t// skipping the next vertex leads to less sliver triangles\n\t\t\tear = next.next;\n\t\t\tstop = next.next;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tear = next;\n\n\t\t// if we looped through the whole remaining polygon and can't find any more ears\n\t\tif ( ear === stop ) {\n\n\t\t\t// try filtering points and slicing again\n\t\t\tif ( ! pass ) {\n\n\t\t\t\tearcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );\n\n\t\t\t\t// if this didn't work, try curing all small self-intersections locally\n\n\t\t\t} else if ( pass === 1 ) {\n\n\t\t\t\tear = cureLocalIntersections( filterPoints( ear ), triangles, dim );\n\t\t\t\tearcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );\n\n\t\t\t\t// as a last resort, try splitting the remaining polygon into two\n\n\t\t\t} else if ( pass === 2 ) {\n\n\t\t\t\tsplitEarcut( ear, triangles, dim, minX, minY, invSize );\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar( ear ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// now make sure we don't have other points inside the potential ear\n\tlet p = ear.next.next;\n\n\twhile ( p !== ear.prev ) {\n\n\t\tif ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.next;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction isEarHashed( ear, minX, minY, invSize ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ),\n\t\tminTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ),\n\t\tmaxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ),\n\t\tmaxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y );\n\n\t// z-order range for the current triangle bbox;\n\tconst minZ = zOrder( minTX, minTY, minX, minY, invSize ),\n\t\tmaxZ = zOrder( maxTX, maxTY, minX, minY, invSize );\n\n\tlet p = ear.prevZ,\n\t\tn = ear.nextZ;\n\n\t// look for points inside the triangle in both directions\n\twhile ( p && p.z >= minZ && n && n.z <= maxZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\t// look for remaining points in decreasing z-order\n\twhile ( p && p.z >= minZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t}\n\n\t// look for remaining points in increasing z-order\n\twhile ( n && n.z <= maxZ ) {\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\treturn true;\n\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections( start, triangles, dim ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tconst a = p.prev,\n\t\t\tb = p.next.next;\n\n\t\tif ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {\n\n\t\t\ttriangles.push( a.i / dim );\n\t\t\ttriangles.push( p.i / dim );\n\t\t\ttriangles.push( b.i / dim );\n\n\t\t\t// remove two nodes involved\n\t\t\tremoveNode( p );\n\t\t\tremoveNode( p.next );\n\n\t\t\tp = start = b;\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn filterPoints( p );\n\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut( start, triangles, dim, minX, minY, invSize ) {\n\n\t// look for a valid diagonal that divides the polygon into two\n\tlet a = start;\n\tdo {\n\n\t\tlet b = a.next.next;\n\t\twhile ( b !== a.prev ) {\n\n\t\t\tif ( a.i !== b.i && isValidDiagonal( a, b ) ) {\n\n\t\t\t\t// split the polygon in two by the diagonal\n\t\t\t\tlet c = splitPolygon( a, b );\n\n\t\t\t\t// filter colinear points around the cuts\n\t\t\t\ta = filterPoints( a, a.next );\n\t\t\t\tc = filterPoints( c, c.next );\n\n\t\t\t\t// run earcut on each half\n\t\t\t\tearcutLinked( a, triangles, dim, minX, minY, invSize );\n\t\t\t\tearcutLinked( c, triangles, dim, minX, minY, invSize );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tb = b.next;\n\n\t\t}\n\n\t\ta = a.next;\n\n\t} while ( a !== start );\n\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles( data, holeIndices, outerNode, dim ) {\n\n\tconst queue = [];\n\tlet i, len, start, end, list;\n\n\tfor ( i = 0, len = holeIndices.length; i < len; i ++ ) {\n\n\t\tstart = holeIndices[ i ] * dim;\n\t\tend = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;\n\t\tlist = linkedList( data, start, end, dim, false );\n\t\tif ( list === list.next ) list.steiner = true;\n\t\tqueue.push( getLeftmost( list ) );\n\n\t}\n\n\tqueue.sort( compareX );\n\n\t// process holes from left to right\n\tfor ( i = 0; i < queue.length; i ++ ) {\n\n\t\teliminateHole( queue[ i ], outerNode );\n\t\touterNode = filterPoints( outerNode, outerNode.next );\n\n\t}\n\n\treturn outerNode;\n\n}\n\nfunction compareX( a, b ) {\n\n\treturn a.x - b.x;\n\n}\n\n// find a bridge between vertices that connects hole with an outer ring and and link it\nfunction eliminateHole( hole, outerNode ) {\n\n\touterNode = findHoleBridge( hole, outerNode );\n\tif ( outerNode ) {\n\n\t\tconst b = splitPolygon( outerNode, hole );\n\n\t\t// filter collinear points around the cuts\n\t\tfilterPoints( outerNode, outerNode.next );\n\t\tfilterPoints( b, b.next );\n\n\t}\n\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge( hole, outerNode ) {\n\n\tlet p = outerNode;\n\tconst hx = hole.x;\n\tconst hy = hole.y;\n\tlet qx = - Infinity, m;\n\n\t// find a segment intersected by a ray from the hole's leftmost point to the left;\n\t// segment's endpoint with lesser x will be potential connection point\n\tdo {\n\n\t\tif ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {\n\n\t\t\tconst x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );\n\t\t\tif ( x <= hx && x > qx ) {\n\n\t\t\t\tqx = x;\n\t\t\t\tif ( x === hx ) {\n\n\t\t\t\t\tif ( hy === p.y ) return p;\n\t\t\t\t\tif ( hy === p.next.y ) return p.next;\n\n\t\t\t\t}\n\n\t\t\t\tm = p.x < p.next.x ? p : p.next;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== outerNode );\n\n\tif ( ! m ) return null;\n\n\tif ( hx === qx ) return m; // hole touches outer segment; pick leftmost endpoint\n\n\t// look for points inside the triangle of hole point, segment intersection and endpoint;\n\t// if there are no points found, we have a valid connection;\n\t// otherwise choose the point of the minimum angle with the ray as connection point\n\n\tconst stop = m,\n\t\tmx = m.x,\n\t\tmy = m.y;\n\tlet tanMin = Infinity, tan;\n\n\tp = m;\n\n\tdo {\n\n\t\tif ( hx >= p.x && p.x >= mx && hx !== p.x &&\n\t\t\t\tpointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {\n\n\t\t\ttan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential\n\n\t\t\tif ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) {\n\n\t\t\t\tm = p;\n\t\t\t\ttanMin = tan;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== stop );\n\n\treturn m;\n\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector( m, p ) {\n\n\treturn area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0;\n\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve( start, minX, minY, invSize ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tif ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize );\n\t\tp.prevZ = p.prev;\n\t\tp.nextZ = p.next;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\tp.prevZ.nextZ = null;\n\tp.prevZ = null;\n\n\tsortLinked( p );\n\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked( list ) {\n\n\tlet i, p, q, e, tail, numMerges, pSize, qSize,\n\t\tinSize = 1;\n\n\tdo {\n\n\t\tp = list;\n\t\tlist = null;\n\t\ttail = null;\n\t\tnumMerges = 0;\n\n\t\twhile ( p ) {\n\n\t\t\tnumMerges ++;\n\t\t\tq = p;\n\t\t\tpSize = 0;\n\t\t\tfor ( i = 0; i < inSize; i ++ ) {\n\n\t\t\t\tpSize ++;\n\t\t\t\tq = q.nextZ;\n\t\t\t\tif ( ! q ) break;\n\n\t\t\t}\n\n\t\t\tqSize = inSize;\n\n\t\t\twhile ( pSize > 0 || ( qSize > 0 && q ) ) {\n\n\t\t\t\tif ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {\n\n\t\t\t\t\te = p;\n\t\t\t\t\tp = p.nextZ;\n\t\t\t\t\tpSize --;\n\n\t\t\t\t} else {\n\n\t\t\t\t\te = q;\n\t\t\t\t\tq = q.nextZ;\n\t\t\t\t\tqSize --;\n\n\t\t\t\t}\n\n\t\t\t\tif ( tail ) tail.nextZ = e;\n\t\t\t\telse list = e;\n\n\t\t\t\te.prevZ = tail;\n\t\t\t\ttail = e;\n\n\t\t\t}\n\n\t\t\tp = q;\n\n\t\t}\n\n\t\ttail.nextZ = null;\n\t\tinSize *= 2;\n\n\t} while ( numMerges > 1 );\n\n\treturn list;\n\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder( x, y, minX, minY, invSize ) {\n\n\t// coords are transformed into non-negative 15-bit integer range\n\tx = 32767 * ( x - minX ) * invSize;\n\ty = 32767 * ( y - minY ) * invSize;\n\n\tx = ( x | ( x << 8 ) ) & 0x00FF00FF;\n\tx = ( x | ( x << 4 ) ) & 0x0F0F0F0F;\n\tx = ( x | ( x << 2 ) ) & 0x33333333;\n\tx = ( x | ( x << 1 ) ) & 0x55555555;\n\n\ty = ( y | ( y << 8 ) ) & 0x00FF00FF;\n\ty = ( y | ( y << 4 ) ) & 0x0F0F0F0F;\n\ty = ( y | ( y << 2 ) ) & 0x33333333;\n\ty = ( y | ( y << 1 ) ) & 0x55555555;\n\n\treturn x | ( y << 1 );\n\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost( start ) {\n\n\tlet p = start,\n\t\tleftmost = start;\n\tdo {\n\n\t\tif ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn leftmost;\n\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {\n\n\treturn ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 &&\n\t\t\t( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 &&\n\t\t\t( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0;\n\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal( a, b ) {\n\n\treturn a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // dones't intersect other edges\n\t\t( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible\n\t\t( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors\n\t\tequals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case\n\n}\n\n// signed area of a triangle\nfunction area( p, q, r ) {\n\n\treturn ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );\n\n}\n\n// check if two points are equal\nfunction equals( p1, p2 ) {\n\n\treturn p1.x === p2.x && p1.y === p2.y;\n\n}\n\n// check if two segments intersect\nfunction intersects( p1, q1, p2, q2 ) {\n\n\tconst o1 = sign( area( p1, q1, p2 ) );\n\tconst o2 = sign( area( p1, q1, q2 ) );\n\tconst o3 = sign( area( p2, q2, p1 ) );\n\tconst o4 = sign( area( p2, q2, q1 ) );\n\n\tif ( o1 !== o2 && o3 !== o4 ) return true; // general case\n\n\tif ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n\tif ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n\tif ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n\tif ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n\treturn false;\n\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment( p, q, r ) {\n\n\treturn q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y );\n\n}\n\nfunction sign( num ) {\n\n\treturn num > 0 ? 1 : num < 0 ? - 1 : 0;\n\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon( a, b ) {\n\n\tlet p = a;\n\tdo {\n\n\t\tif ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n\t\t\t\tintersects( p, p.next, a, b ) ) return true;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn false;\n\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside( a, b ) {\n\n\treturn area( a.prev, a, a.next ) < 0 ?\n\t\tarea( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :\n\t\tarea( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;\n\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside( a, b ) {\n\n\tlet p = a,\n\t\tinside = false;\n\tconst px = ( a.x + b.x ) / 2,\n\t\tpy = ( a.y + b.y ) / 2;\n\tdo {\n\n\t\tif ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&\n\t\t\t\t( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) )\n\t\t\tinside = ! inside;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn inside;\n\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon( a, b ) {\n\n\tconst a2 = new Node( a.i, a.x, a.y ),\n\t\tb2 = new Node( b.i, b.x, b.y ),\n\t\tan = a.next,\n\t\tbp = b.prev;\n\n\ta.next = b;\n\tb.prev = a;\n\n\ta2.next = an;\n\tan.prev = a2;\n\n\tb2.next = a2;\n\ta2.prev = b2;\n\n\tbp.next = b2;\n\tb2.prev = bp;\n\n\treturn b2;\n\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode( i, x, y, last ) {\n\n\tconst p = new Node( i, x, y );\n\n\tif ( ! last ) {\n\n\t\tp.prev = p;\n\t\tp.next = p;\n\n\t} else {\n\n\t\tp.next = last.next;\n\t\tp.prev = last;\n\t\tlast.next.prev = p;\n\t\tlast.next = p;\n\n\t}\n\n\treturn p;\n\n}\n\nfunction removeNode( p ) {\n\n\tp.next.prev = p.prev;\n\tp.prev.next = p.next;\n\n\tif ( p.prevZ ) p.prevZ.nextZ = p.nextZ;\n\tif ( p.nextZ ) p.nextZ.prevZ = p.prevZ;\n\n}\n\nfunction Node( i, x, y ) {\n\n\t// vertex index in coordinates array\n\tthis.i = i;\n\n\t// vertex coordinates\n\tthis.x = x;\n\tthis.y = y;\n\n\t// previous and next vertex nodes in a polygon ring\n\tthis.prev = null;\n\tthis.next = null;\n\n\t// z-order curve value\n\tthis.z = null;\n\n\t// previous and next nodes in z-order\n\tthis.prevZ = null;\n\tthis.nextZ = null;\n\n\t// indicates whether this is a steiner point\n\tthis.steiner = false;\n\n}\n\nfunction signedArea( data, start, end, dim ) {\n\n\tlet sum = 0;\n\tfor ( let i = start, j = end - dim; i < end; i += dim ) {\n\n\t\tsum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );\n\t\tj = i;\n\n\t}\n\n\treturn sum;\n\n}\n\nclass ShapeUtils {\n\n\t// calculate area of the contour polygon\n\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * parameters = {\n *\n *  curveSegments: <int>, // number of points on the curves\n *  steps: <int>, // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n *  depth: <float>, // Depth to extrude the shape\n *\n *  bevelEnabled: <bool>, // turn on bevel\n *  bevelThickness: <float>, // how deep into the original shape bevel goes\n *  bevelSize: <float>, // how far from shape outline (including bevelOffset) is bevel\n *  bevelOffset: <float>, // how far from shape outline does bevel start\n *  bevelSegments: <int>, // number of bevel layers\n *\n *  extrudePath: <THREE.Curve> // curve to extrude shape along\n *\n *  UVGenerator: <Object> // object that provides UV generator functions\n *\n * }\n */\n\nclass ExtrudeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tlet depth = options.depth !== undefined ? options.depth : 1;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t// deprecated options\n\n\t\t\tif ( options.amount !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ExtrudeBufferGeometry: amount has been renamed to depth.' );\n\t\t\t\tdepth = options.amount;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length, flen = faces.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t//   shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t//  adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t//  but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t//  (j)---(i)---(k)\n\t\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t//  (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\n\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t/////  Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t- 1, t, 0, \t1, t, 0, \t- 1, - t, 0, \t1, - t, 0,\n\t\t\t0, - 1, t, \t0, 1, t,\t0, - 1, - t, \t0, 1, - t,\n\t\t\tt, 0, - 1, \tt, 0, 1, \t- t, 0, - 1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass LatheGeometry extends BufferGeometry {\n\n\tconstructor( points = [ new Vector2( 0, 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, - 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif ( phiLength === Math.PI * 2 ) {\n\n\t\t\tconst normals = this.attributes.normal.array;\n\t\t\tconst n1 = new Vector3();\n\t\t\tconst n2 = new Vector3();\n\t\t\tconst n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\n\t\t\tconst base = segments * points.length * 3;\n\n\t\t\tfor ( let i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t- 1, 0, 0,\t0, 1, 0,\n\t\t\t0, - 1, 0, \t0, 0, 1,\t0, 0, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass RingGeometry extends BufferGeometry {\n\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 8, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ShapeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) {\n\n\t\tsuper();\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// incides\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\nclass SphereGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy == 0 && thetaStart == 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy == heightSegments && thetaEnd == Math.PI ) {\n\n\t\t\t\tuOffset = - 0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t- 1, - 1, 1, \t- 1, 1, - 1, \t1, - 1, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass TorusGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 8, tubularSegments = 6, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\nclass TorusKnotGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\nclass TubeGeometry extends BufferGeometry {\n\n\tconstructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\nclass WireframeGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null ) {\n\n\t\tsuper();\n\t\tthis.type = 'WireframeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\t// buffer\n\n\t\t\tconst vertices = [];\n\t\t\tconst edges = new Set();\n\n\t\t\t// helper variables\n\n\t\t\tconst start = new Vector3();\n\t\t\tconst end = new Vector3();\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tconst indices = geometry.index;\n\t\t\t\tlet groups = geometry.groups;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t\t}\n\n\t\t\t\t// create a data structure that contains all eges without duplicates\n\n\t\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\t\tconst groupStart = group.start;\n\t\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\n\t\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1, hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tBoxBufferGeometry: BoxGeometry,\n\tCircleGeometry: CircleGeometry,\n\tCircleBufferGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tConeBufferGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tCylinderBufferGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tDodecahedronBufferGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tExtrudeBufferGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tIcosahedronBufferGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tLatheBufferGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tOctahedronBufferGeometry: OctahedronGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPlaneBufferGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tPolyhedronBufferGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tRingBufferGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tShapeBufferGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tSphereBufferGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTetrahedronBufferGeometry: TetrahedronGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusBufferGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTorusKnotBufferGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tTubeBufferGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\n/**\n * parameters = {\n *  color: <THREE.Color>\n * }\n */\n\nclass ShadowMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\tthis.color = new Color( 0x000000 );\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\treturn this;\n\n\t}\n\n}\n\nShadowMaterial.prototype.isShadowMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  roughness: <float>,\n *  metalness: <float>,\n *  opacity: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  emissive: <hex>,\n *  emissiveIntensity: <float>\n *  emissiveMap: new THREE.Texture( <Image> ),\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  roughnessMap: new THREE.Texture( <Image> ),\n *\n *  metalnessMap: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n *  envMapIntensity: <float>\n *\n *  refractionRatio: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n *  flatShading: <bool>\n * }\n */\n\nclass MeshStandardMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 1.0;\n\t\tthis.metalness = 0.0;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n/**\n * parameters = {\n *  clearcoat: <float>,\n *  clearcoatMap: new THREE.Texture( <Image> ),\n *  clearcoatRoughness: <float>,\n *  clearcoatRoughnessMap: new THREE.Texture( <Image> ),\n *  clearcoatNormalScale: <Vector2>,\n *  clearcoatNormalMap: new THREE.Texture( <Image> ),\n *\n *  ior: <float>,\n *  reflectivity: <float>,\n *\n *  sheen: <float>,\n *  sheenColor: <Color>,\n *  sheenColorMap: new THREE.Texture( <Image> ),\n *  sheenRoughness: <float>,\n *  sheenRoughnessMap: new THREE.Texture( <Image> ),\n *\n *  transmission: <float>,\n *  transmissionMap: new THREE.Texture( <Image> ),\n *\n *  thickness: <float>,\n *  thicknessMap: new THREE.Texture( <Image> ),\n *  attenuationDistance: <float>,\n *  attenuationColor: <Color>,\n *\n *  specularIntensity: <float>,\n *  specularIntensityMap: new THREE.Texture( <Image> ),\n *  specularColor: <Color>,\n *  specularColorMap: new THREE.Texture( <Image> )\n * }\n */\n\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.clearcoatMap = null;\n\t\tthis.clearcoatRoughness = 0.0;\n\t\tthis.clearcoatRoughnessMap = null;\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\t\tthis.clearcoatNormalMap = null;\n\n\t\tthis.ior = 1.5;\n\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\tthis.sheenColor = new Color( 0x000000 );\n\t\tthis.sheenColorMap = null;\n\t\tthis.sheenRoughness = 1.0;\n\t\tthis.sheenRoughnessMap = null;\n\n\t\tthis.transmissionMap = null;\n\n\t\tthis.thickness = 0;\n\t\tthis.thicknessMap = null;\n\t\tthis.attenuationDistance = 0.0;\n\t\tthis.attenuationColor = new Color( 1, 1, 1 );\n\n\t\tthis.specularIntensity = 1.0;\n\t\tthis.specularIntensityMap = null;\n\t\tthis.specularColor = new Color( 1, 1, 1 );\n\t\tthis.specularColorMap = null;\n\n\t\tthis._sheen = 0.0;\n\t\tthis._clearcoat = 0;\n\t\tthis._transmission = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tget sheen() {\n\n\t\treturn this._sheen;\n\n\t}\n\n\tset sheen( value ) {\n\n\t\tif ( this._sheen > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._sheen = value;\n\n\t}\n\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.ior = source.ior;\n\n\t\tthis.sheen = source.sheen;\n\t\tthis.sheenColor.copy( source.sheenColor );\n\t\tthis.sheenColorMap = source.sheenColorMap;\n\t\tthis.sheenRoughness = source.sheenRoughness;\n\t\tthis.sheenRoughnessMap = source.sheenRoughnessMap;\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationColor.copy( source.attenuationColor );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularColor.copy( source.specularColor );\n\t\tthis.specularColorMap = source.specularColorMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  specular: <hex>,\n *  shininess: <float>,\n *  opacity: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  emissive: <hex>,\n *  emissiveIntensity: <float>\n *  emissiveMap: new THREE.Texture( <Image> ),\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  specularMap: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n *  combine: THREE.MultiplyOperation,\n *  reflectivity: <float>,\n *  refractionRatio: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n *  flatShading: <bool>\n * }\n */\n\nclass MeshPhongMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *\n *  map: new THREE.Texture( <Image> ),\n *  gradientMap: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  emissive: <hex>,\n *  emissiveIntensity: <float>\n *  emissiveMap: new THREE.Texture( <Image> ),\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n * }\n */\n\nclass MeshToonMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\t\tthis.gradientMap = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshToonMaterial.prototype.isMeshToonMaterial = true;\n\n/**\n * parameters = {\n *  opacity: <float>,\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>\n *\n *  flatShading: <bool>\n * }\n */\n\nclass MeshNormalMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  lightMap: new THREE.Texture( <Image> ),\n *  lightMapIntensity: <float>\n *\n *  aoMap: new THREE.Texture( <Image> ),\n *  aoMapIntensity: <float>\n *\n *  emissive: <hex>,\n *  emissiveIntensity: <float>\n *  emissiveMap: new THREE.Texture( <Image> ),\n *\n *  specularMap: new THREE.Texture( <Image> ),\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n *  combine: THREE.Multiply,\n *  reflectivity: <float>,\n *  refractionRatio: <float>,\n *\n *  wireframe: <boolean>,\n *  wireframeLinewidth: <float>,\n *\n * }\n */\n\nclass MeshLambertMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *\n *  matcap: new THREE.Texture( <Image> ),\n *\n *  map: new THREE.Texture( <Image> ),\n *\n *  bumpMap: new THREE.Texture( <Image> ),\n *  bumpScale: <float>,\n *\n *  normalMap: new THREE.Texture( <Image> ),\n *  normalMapType: THREE.TangentSpaceNormalMap,\n *  normalScale: <Vector2>,\n *\n *  displacementMap: new THREE.Texture( <Image> ),\n *  displacementScale: <float>,\n *  displacementBias: <float>,\n *\n *  alphaMap: new THREE.Texture( <Image> ),\n *\n *  flatShading: <bool>\n * }\n */\n\nclass MeshMatcapMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.matcap = null;\n\n\t\tthis.map = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshMatcapMaterial.prototype.isMeshMatcapMaterial = true;\n\n/**\n * parameters = {\n *  color: <hex>,\n *  opacity: <float>,\n *\n *  linewidth: <float>,\n *\n *  scale: <float>,\n *  dashSize: <float>,\n *  gapSize: <float>\n * }\n */\n\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\nvar Materials = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tShadowMaterial: ShadowMaterial,\n\tSpriteMaterial: SpriteMaterial,\n\tRawShaderMaterial: RawShaderMaterial,\n\tShaderMaterial: ShaderMaterial,\n\tPointsMaterial: PointsMaterial,\n\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\tMeshStandardMaterial: MeshStandardMaterial,\n\tMeshPhongMaterial: MeshPhongMaterial,\n\tMeshToonMaterial: MeshToonMaterial,\n\tMeshNormalMaterial: MeshNormalMaterial,\n\tMeshLambertMaterial: MeshLambertMaterial,\n\tMeshDepthMaterial: MeshDepthMaterial,\n\tMeshDistanceMaterial: MeshDistanceMaterial,\n\tMeshBasicMaterial: MeshBasicMaterial,\n\tMeshMatcapMaterial: MeshMatcapMaterial,\n\tLineDashedMaterial: LineDashedMaterial,\n\tLineBasicMaterial: LineBasicMaterial,\n\tMaterial: Material\n});\n\nconst AnimationUtils = {\n\n\t// same as Array.prototype.slice, but also works on typed arrays\n\tarraySlice: function ( array, from, to ) {\n\n\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t// in ios9 array.subarray(from, undefined) will return empty array\n\t\t\t// but array.subarray(from) or array.subarray(from, len) is correct\n\t\t\treturn new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) );\n\n\t\t}\n\n\t\treturn array.slice( from, to );\n\n\t},\n\n\t// converts an array to a specific type\n\tconvertArray: function ( array, type, forceClone ) {\n\n\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\treturn new type( array ); // create typed array\n\n\t\t}\n\n\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t},\n\n\tisTypedArray: function ( object ) {\n\n\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t! ( object instanceof DataView );\n\n\t},\n\n\t// returns an array by which times and values can be sorted\n\tgetKeyframeOrder: function ( times ) {\n\n\t\tfunction compareTime( i, j ) {\n\n\t\t\treturn times[ i ] - times[ j ];\n\n\t\t}\n\n\t\tconst n = times.length;\n\t\tconst result = new Array( n );\n\t\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\tresult.sort( compareTime );\n\n\t\treturn result;\n\n\t},\n\n\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\tsortedArray: function ( values, stride, order ) {\n\n\t\tconst nValues = values.length;\n\t\tconst result = new values.constructor( nValues );\n\n\t\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\tconst srcOffset = order[ i ] * stride;\n\n\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn result;\n\n\t},\n\n\t// function for parsing AOS keyframe formats\n\tflattenJSON: function ( jsonKeys, times, values, valuePropertyName ) {\n\n\t\tlet i = 1, key = jsonKeys[ 0 ];\n\n\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t}\n\n\t\tif ( key === undefined ) return; // no data\n\n\t\tlet value = key[ valuePropertyName ];\n\t\tif ( value === undefined ) return; // no data\n\n\t\tif ( Array.isArray( value ) ) {\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else if ( value.toArray !== undefined ) {\n\n\t\t\t// ...assume THREE.Math-ish\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else {\n\n\t\t\t// otherwise push as-is\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t}\n\n\t},\n\n\tsubclip: function ( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\t\tconst clip = sourceClip.clone();\n\n\t\tclip.name = name;\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tconst track = clip.tracks[ i ];\n\t\t\tconst valueSize = track.getValueSize();\n\n\t\t\tconst times = [];\n\t\t\tconst values = [];\n\n\t\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( times.length === 0 ) continue;\n\n\t\t\ttrack.times = AnimationUtils.convertArray( times, track.times.constructor );\n\t\t\ttrack.values = AnimationUtils.convertArray( values, track.values.constructor );\n\n\t\t\ttracks.push( track );\n\n\t\t}\n\n\t\tclip.tracks = tracks;\n\n\t\t// find minimum .times value across all tracks in the trimmed clip\n\n\t\tlet minStartTime = Infinity;\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// shift all tracks such that clip begins at t=0\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tclip.tracks[ i ].shift( - 1 * minStartTime );\n\n\t\t}\n\n\t\tclip.resetDuration();\n\n\t\treturn clip;\n\n\t},\n\n\tmakeClipAdditive: function ( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\t\tif ( fps <= 0 ) fps = 30;\n\n\t\tconst numTracks = referenceClip.tracks.length;\n\t\tconst referenceTime = referenceFrame / fps;\n\n\t\t// Make each track's values relative to the values at the reference frame\n\t\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t\t// Skip this track if it's non-numeric\n\t\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t\t} );\n\n\t\t\tif ( targetTrack === undefined ) continue;\n\n\t\t\tlet referenceOffset = 0;\n\t\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t\t}\n\n\t\t\tlet targetOffset = 0;\n\t\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t\t}\n\n\t\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\t\tlet referenceValue;\n\n\t\t\t// Find the value to subtract out of the track\n\t\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else {\n\n\t\t\t\t// Interpolate to the reference value\n\t\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( interpolant.resultBuffer, startIndex, endIndex );\n\n\t\t\t}\n\n\t\t\t// Conjugate the quaternion\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t\t}\n\n\t\t\t// Subtract the reference value from all of the track values\n\n\t\t\tconst numTimes = targetTrack.times.length;\n\t\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart,\n\t\t\t\t\t\treferenceValue,\n\t\t\t\t\t\t0,\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\t\treturn targetClip;\n\n\t}\n\n};\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References:\n *\n * \t\thttp://www.oodesign.com/template-method-pattern.html\n *\n */\n\nclass Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t\tthis.settings = null;\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t// Template methods for derived classes:\n\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n// ALIAS DEFINITIONS\n\nInterpolant.prototype.beforeStart_ = Interpolant.prototype.copySampleValue_;\nInterpolant.prototype.afterEnd_ = Interpolant.prototype.copySampleValue_;\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n */\n\nclass CubicInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = - 0;\n\t\tthis._offsetPrev = - 0;\n\t\tthis._weightNext = - 0;\n\t\tthis._offsetNext = - 0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;\n\t\tconst s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nclass LinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n *\n * Interpolant that evaluates to the sample value at the position preceeding\n * the parameter.\n */\n\nclass DiscreteInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\nclass KeyframeTrack {\n\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t// Serialization (in static context, because of constructor invocation\n\t// and automatic invocation of .toJSON):\n\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t// move all keyframes either forwards or backwards in time\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== - 1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\tthis.values = AnimationUtils.arraySlice( this.values, from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t// removes equivalent sequential keys as common in morph target sequences\n\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\toptimize() {\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = AnimationUtils.arraySlice( this.times ),\n\t\t\tvalues = AnimationUtils.arraySlice( this.values ),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst times = AnimationUtils.arraySlice( this.times, 0 );\n\t\tconst values = AnimationUtils.arraySlice( this.values, 0 );\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A Track of Boolean keyframe values.\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {}\n\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of keyframe values that represent color.\n */\nclass ColorKeyframeTrack extends KeyframeTrack {}\n\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A Track of numeric keyframe values.\n */\nclass NumberKeyframeTrack extends KeyframeTrack {}\n\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n */\n\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A Track of quaternion keyframe values.\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\nQuaternionKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track that interpolates Strings\n */\nclass StringKeyframeTrack extends KeyframeTrack {}\n\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\nStringKeyframeTrack.prototype.ValueBufferType = Array;\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of vectored keyframe values.\n */\nclass VectorKeyframeTrack extends KeyframeTrack {}\n\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\nclass AnimationClip {\n\n\tconstructor( name, duration = - 1, tracks, blendMode = NormalAnimationBlendMode ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = duration;\n\t\tthis.blendMode = blendMode;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\treturn clip;\n\n\t}\n\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = AnimationUtils.getKeyframeOrder( times );\n\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, - 1, tracks );\n\n\t}\n\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t// parse the animation.hierarchy format\n\tstatic parseAnimation( animation, bones ) {\n\n\t\tif ( ! animation ) {\n\n\t\t\tconsole.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || - 1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\treturn new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\nconst Cache = {\n\n\tenabled: false,\n\n\tfiles: {},\n\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\nclass LoadingManager {\n\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t}\n\n}\n\nconst DefaultLoadingManager = new LoadingManager();\n\nclass Loader {\n\n\tconstructor( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.crossOrigin = 'anonymous';\n\t\tthis.withCredentials = false;\n\t\tthis.path = '';\n\t\tthis.resourcePath = '';\n\t\tthis.requestHeader = {};\n\n\t}\n\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\tparse( /* data */ ) {}\n\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n}\n\nconst loading = {};\n\nclass FileLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tthis.manager.itemStart( url );\n\n\t\t\tsetTimeout( () => {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Initialise array for duplicate requests\n\t\tloading[ url ] = [];\n\n\t\tloading[ url ].push( {\n\t\t\tonLoad: onLoad,\n\t\t\tonProgress: onProgress,\n\t\t\tonError: onError,\n\t\t} );\n\n\t\t// create request\n\t\tconst req = new Request( url, {\n\t\t\theaders: new Headers( this.requestHeader ),\n\t\t\tcredentials: this.withCredentials ? 'include' : 'same-origin',\n\t\t\t// An abort controller could be added within a future PR\n\t\t} );\n\n\t\t// start the fetch\n\t\tfetch( req )\n\t\t\t.then( response => {\n\n\t\t\t\tif ( response.status === 200 || response.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( response.status === 0 ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\t\tconst reader = response.body.getReader();\n\t\t\t\t\tconst contentLength = response.headers.get( 'Content-Length' );\n\t\t\t\t\tconst total = contentLength ? parseInt( contentLength ) : 0;\n\t\t\t\t\tconst lengthComputable = total !== 0;\n\t\t\t\t\tlet loaded = 0;\n\n\t\t\t\t\t// periodically read data into the new stream tracking while download progress\n\t\t\t\t\treturn new ReadableStream( {\n\t\t\t\t\t\tstart( controller ) {\n\n\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\tfunction readData() {\n\n\t\t\t\t\t\t\t\treader.read().then( ( { done, value } ) => {\n\n\t\t\t\t\t\t\t\t\tif ( done ) {\n\n\t\t\t\t\t\t\t\t\t\tcontroller.close();\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tloaded += value.byteLength;\n\n\t\t\t\t\t\t\t\t\t\tconst event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } );\n\t\t\t\t\t\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\t\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tcontroller.enqueue( value );\n\t\t\t\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow Error( `fetch for \"${response.url}\" responded with ${response.status}: ${response.statusText}` );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( stream => {\n\n\t\t\t\tconst response = new Response( stream );\n\n\t\t\t\tswitch ( this.responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\n\t\t\t\t\t\treturn response.arrayBuffer();\n\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\treturn response.blob();\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\treturn response.text()\n\t\t\t\t\t\t\t.then( text => {\n\n\t\t\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\t\t\treturn parser.parseFromString( text, this.mimeType );\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\treturn response.json();\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\treturn response.text();\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( data => {\n\n\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\tCache.add( url, data );\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( data );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} )\n\t\t\t.catch( err => {\n\n\t\t\t\t// Abort errors and other errors are handled the same\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( err );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemError( url );\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\tthis.manager.itemStart( url );\n\n\t}\n\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to block based textures loader (dds, pvr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass CompressedTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass ImageLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = createElementNS( 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tCache.add( url, this );\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction removeEventListeners() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.substr( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\nclass CubeTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass DataTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tconst texData = scope.parse( buffer );\n\n\t\t\tif ( ! texData ) return;\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.encoding !== undefined ) {\n\n\t\t\t\ttexture.encoding = texData.encoding;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass TextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass Light extends Object3D {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity;\n\n\t}\n\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLight.prototype.isLight = true;\n\nclass HemisphereLight extends Light {\n\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLight.prototype.copy.call( this, source );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nHemisphereLight.prototype.isHemisphereLight = true;\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\nclass LightShadow {\n\n\tconstructor( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.normalBias = 0;\n\t\tthis.radius = 1;\n\t\tthis.blurSamples = 8;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.mapPass = null;\n\t\tthis.matrix = new Matrix4();\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1 );\n\n\t\tshadowMatrix.set(\n\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t);\n\n\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t}\n\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\nclass SpotLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\tthis.focus = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = this.mapSize.width / this.mapSize.height;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLightShadow.prototype.isSpotLightShadow = true;\n\nclass SpotLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.distance = distance;\n\t\tthis.angle = angle;\n\t\tthis.penumbra = penumbra;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = \u03C0 * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLight.prototype.isSpotLight = true;\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\nclass PointLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t//  xzXZ\n\t\t\t//   y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t}\n\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t}\n\n}\n\nPointLightShadow.prototype.isPointLightShadow = true;\n\nclass PointLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tthis.distance = distance;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 \u03C0 luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointLight.prototype.isPointLight = true;\n\nclass DirectionalLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n}\n\nDirectionalLightShadow.prototype.isDirectionalLightShadow = true;\n\nclass DirectionalLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nDirectionalLight.prototype.isDirectionalLight = true;\n\nclass AmbientLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\nAmbientLight.prototype.isAmbientLight = true;\n\nclass RectAreaLight extends Light {\n\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\nRectAreaLight.prototype.isRectAreaLight = true;\n\n/**\n * Primary reference:\n *   https://graphics.stanford.edu/papers/envmap/envmap.pdf\n *\n * Secondary reference:\n *   https://www.ppsloan.org/publications/StupidSH36.pdf\n */\n\n// 3-band SH defined by 9 coefficients\n\nclass SphericalHarmonics3 {\n\n\tconstructor() {\n\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get the radiance in the direction of the normal\n\t// target is a Vector3\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal\n\t// target is a Vector3\n\t// https://graphics.stanford.edu/papers/envmap/envmap.pdf\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // \u03C0 * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * \u03C0 / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( \u03C0 / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( \u03C0 / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( \u03C0 / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t// evaluate the basis functions\n\t// shBasis is an Array[ 9 ]\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\nSphericalHarmonics3.prototype.isSphericalHarmonics3 = true;\n\nclass LightProbe extends Light {\n\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLightProbe.prototype.isLightProbe = true;\n\nclass MaterialLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\t\tthis.textures = {};\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = new Materials[ json.type ]();\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheen !== undefined ) material.sheen = json.sheen;\n\t\tif ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor );\n\t\tif ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness;\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor );\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.format !== undefined ) material.format = json.format;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== 1 ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Deprecated\n\n\t\tif ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\tif ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap );\n\t\tif ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap );\n\n\t\treturn material;\n\n\t}\n\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass LoaderUtils {\n\n\tstatic decodeText( array ) {\n\n\t\tif ( typeof TextDecoder !== 'undefined' ) {\n\n\t\t\treturn new TextDecoder().decode( array );\n\n\t\t}\n\n\t\t// Avoid the String.fromCharCode.apply(null, array) shortcut, which\n\t\t// throws a \"maximum call stack size exceeded\" error for large arrays.\n\n\t\tlet s = '';\n\n\t\tfor ( let i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t// Implicitly assumes little-endian.\n\t\t\ts += String.fromCharCode( array[ i ] );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\t// merges multi-byte utf-8 characters.\n\n\t\t\treturn decodeURIComponent( escape( s ) );\n\n\t\t} catch ( e ) { // see #16358\n\n\t\t\treturn s;\n\n\t\t}\n\n\t}\n\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === - 1 ) return './';\n\n\t\treturn url.substr( 0, index + 1 );\n\n\t}\n\n\tstatic resolveURL( url, path ) {\n\n\t\t// Invalid URL\n\t\tif ( typeof url !== 'string' || url === '' ) return '';\n\n\t\t// Host Relative URL\n\t\tif ( /^https?:\\/\\//i.test( path ) && /^\\//.test( url ) ) {\n\n\t\t\tpath = path.replace( /(^https?:\\/\\/[^\\/]+).*/i, '$1' );\n\n\t\t}\n\n\t\t// Absolute URL http://,https://,//\n\t\tif ( /^(https?:)?\\/\\//i.test( url ) ) return url;\n\n\t\t// Data URI\n\t\tif ( /^data:.*,.*$/i.test( url ) ) return url;\n\n\t\t// Blob URL\n\t\tif ( /^blob:.*$/i.test( url ) ) return url;\n\n\t\t// Relative URL\n\t\treturn path + url;\n\n\t}\n\n}\n\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON( this );\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\nclass BufferGeometryLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tif ( attribute.updateRange !== undefined ) {\n\n\t\t\t\tbufferAttribute.updateRange.offset = attribute.updateRange.offset;\n\t\t\t\tbufferAttribute.updateRange.count = attribute.updateRange.count;\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tconst center = new Vector3();\n\n\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t}\n\n\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\nclass ObjectLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\tconsole.error( 'THREE:ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tconsole.error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ] instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\treturn object;\n\n\t}\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\tconsole.error( 'THREE.ObjectLoader: The legacy Geometry type is no longer supported.' );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( `THREE.ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.type === 'MultiMaterial' ) {\n\n\t\t\t\t\t// Deprecated\n\n\t\t\t\t\tconst array = [];\n\n\t\t\t\t\tfor ( let j = 0; j < data.materials.length; j ++ ) {\n\n\t\t\t\t\t\tconst material = data.materials[ j ];\n\n\t\t\t\t\t\tif ( cache[ material.uuid ] === undefined ) {\n\n\t\t\t\t\t\t\tcache[ material.uuid ] = loader.parse( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tarray.push( cache[ material.uuid ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = array;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tlet texture;\n\t\t\t\tconst image = images[ data.image ];\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture( image );\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture( image.data, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture( image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.encoding !== undefined ) texture.encoding = data.encoding;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\n\t\t\t\tif ( data.userData !== undefined ) texture.userData = data.userData;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\t/* DEPRECATED */\n\n\tsetTexturePath( value ) {\n\n\t\tconsole.warn( 'THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath().' );\n\t\treturn this.setResourcePath( value );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\tCubeUVRefractionMapping: CubeUVRefractionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nclass ImageBitmapLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t}\n\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\n\t\tfetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( url, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n}\n\nImageBitmapLoader.prototype.isImageBitmapLoader = true;\n\nlet _context;\n\nconst AudioContext = {\n\n\tgetContext: function () {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t},\n\n\tsetContext: function ( value ) {\n\n\t\t_context = value;\n\n\t}\n\n};\n\nclass AudioLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n}\n\nclass HemisphereLightProbe extends LightProbe {\n\n\tconstructor( skyColor, groundColor, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( skyColor );\n\t\tconst color2 = new Color().set( groundColor );\n\n\t\tconst sky = new Vector3( color1.r, color1.g, color1.b );\n\t\tconst ground = new Vector3( color2.r, color2.g, color2.b );\n\n\t\t// without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI );\n\t\tconst c0 = Math.sqrt( Math.PI );\n\t\tconst c1 = c0 * Math.sqrt( 0.75 );\n\n\t\tthis.sh.coefficients[ 0 ].copy( sky ).add( ground ).multiplyScalar( c0 );\n\t\tthis.sh.coefficients[ 1 ].copy( sky ).sub( ground ).multiplyScalar( c1 );\n\n\t}\n\n}\n\nHemisphereLightProbe.prototype.isHemisphereLightProbe = true;\n\nclass AmbientLightProbe extends LightProbe {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( color );\n\n\t\t// without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI );\n\t\tthis.sh.coefficients[ 0 ].set( color1.r, color1.g, color1.b ).multiplyScalar( 2 * Math.sqrt( Math.PI ) );\n\n\t}\n\n}\n\nAmbientLightProbe.prototype.isAmbientLightProbe = true;\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\nconst _projectionMatrix = /*@__PURE__*/ new Matrix4();\n\nclass StereoCamera {\n\n\tconstructor() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t_projectionMatrix.copy( camera.projectionMatrix );\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( _projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( _projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\nclass Clock {\n\n\tconstructor( autoStart = true ) {\n\n\t\tthis.autoStart = autoStart;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tstart() {\n\n\t\tthis.startTime = now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nfunction now() {\n\n\treturn ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\nconst _orientation$1 = /*@__PURE__*/ new Vector3();\n\nclass AudioListener extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = AudioContext.getContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\t\tconst up = this.up;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t_orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass Audio extends Object3D {\n\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.listener = listener;\n\t\tthis.context = listener.context;\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.buffer = null;\n\t\tthis.detune = 0;\n\t\tthis.loop = false;\n\t\tthis.loopStart = 0;\n\t\tthis.loopEnd = 0;\n\t\tthis.offset = 0;\n\t\tthis.duration = undefined;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.source = null;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\tthis.filters = [];\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tthis.source.stop();\n\t\tthis.source.onended = null;\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.source.detune === undefined ) return; // only set detune when available\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\n\t}\n\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\nclass PositionalAudio extends Audio {\n\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass AudioAnalyser {\n\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\nclass PropertyMixer {\n\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'accu<i>'\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'add'\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t// apply the state of 'accu<i>' to the binding when accus differ\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remember the state of the bound property and copy it to both accus\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t// apply the state previously taken via 'saveOriginalState' to the binding\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\nclass PropertyBinding {\n\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name Node name to be sanitized.\n\t * @return {string}\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== - 1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t// create getter / setter pair for a property in the scene graph\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\\'t found.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.geometry.isBufferGeometry ) {\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t\t}\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n *\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n *  - Add objects you would otherwise pass as 'root' to the\n *    constructor or the .clipAction method of AnimationMixer.\n *\n *  - Instead pass this object as 'root'.\n *\n *  - You can also add and remove objects later when the mixer\n *    is running.\n *\n * Note:\n *\n *    Objects of this class appear as one object to the mixer,\n *    so cache control of the individual objects must be done\n *    on the group.\n *\n * Limitation:\n *\n *  - The animated properties must be compatible among the\n *    all objects in the group.\n *\n *  - A single property can either be controlled through a\n *    target group or directly, but not both.\n */\n\nclass AnimationObjectGroup {\n\n\tconstructor() {\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\tconsole.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// remove & forget\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\nAnimationObjectGroup.prototype.isAnimationObjectGroup = true;\n\nclass AnimationAction {\n\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = - 1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; // no. of repetitions when looping\n\n\t\tthis.paused = false; // true -> zero effective time scale\n\t\tthis.enabled = true; // false -> zero effective weight\n\n\t\tthis.clampWhenFinished = false;// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart = true;// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd = true;// clips for start, loop and end\n\n\t}\n\n\t// State & Scheduling\n\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = - 1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t// return true when play has been called\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t// Weight\n\n\t// set the weight stopping any scheduled fading\n\t// although .enabled = false yields an effective weight of zero, this\n\t// method does *not* change .enabled, because it would be confusing\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t// return the weight considering fading and .enabled\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\tcrossFadeFrom( fadeOutAction, duration, warp ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcrossFadeTo( fadeInAction, duration, warp ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Time Scale Control\n\n\t// set the time scale stopping any scheduled warping\n\t// although .paused = true yields an effective time scale of zero, this\n\t// method does *not* change .paused, because it would be confusing\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t// return the time scale considering warping and .paused\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Object Accessors\n\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t}\n\n\t\t\t// start\n\n\t\t\tthis._startTime = null; // unschedule\n\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === - 1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? - 1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : - 1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationMixer extends EventDispatcher {\n\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\t\tthis.time = 0;\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions |  inactive actions  ]\n\t\t// [  active actions >| inactive actions ]\n\t\t//                 s        a\n\t\t//                  <-swap->\n\t\t//                 a        s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [  active actions  | inactive actions ]\n\t\t// [ active actions |< inactive actions  ]\n\t\t//        a        s\n\t\t//         <-swap->\n\t\t//        s        a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t// return an action for a clip optionally using a custom root target\n\t// object (this method allocates a lot of dynamic memory in case a\n\t// previously unknown clip/root combination is specified)\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t// get an existing action\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// deactivates all previously scheduled actions\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// advance the time and update apply the animation\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Allows you to seek to a specific time in an animation.\n\tsetTime( timeInSeconds ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( timeInSeconds ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t// return this mixer's root target object\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t// free all resources specific to a particular clip\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t// free all resources specific to a particular root target object\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remove a targeted clip from the cache\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\nAnimationMixer.prototype._controlInterpolantsResultBuffer = new Float32Array( 1 );\n\nclass Uniform {\n\n\tconstructor( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\nInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\nclass GLBufferAttribute {\n\n\tconstructor( buffer, type, itemSize, elementSize, count ) {\n\n\t\tthis.buffer = buffer;\n\t\tthis.type = type;\n\t\tthis.itemSize = itemSize;\n\t\tthis.elementSize = elementSize;\n\t\tthis.count = count;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nGLBufferAttribute.prototype.isGLBufferAttribute = true;\n\nclass Raycaster {\n\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.camera = null;\n\t\tthis.layers = new Layers();\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera && camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera && camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\tintersectObject( object, recursive = true, intersects = [] ) {\n\n\t\tintersectObject( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\tintersectObjects( objects, recursive = true, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t}\n\n\tif ( recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n *\n * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up.\n * The azimuthal angle (theta) is measured from the positive z-axis.\n */\n\nclass Spherical {\n\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi; // polar angle\n\t\tthis.theta = theta; // azimuthal angle\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t// restrict phi to be betwee EPS and PI-EPS\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system\n */\n\nclass Cylindrical {\n\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\tthis.radius = radius; // distance from the origin to a point in the x-z plane\n\t\tthis.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis\n\t\tthis.y = y; // height above the x-z plane\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\nclass Box2 {\n\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ? false : true;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$4.copy( point ).clamp( this.min, this.max );\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox2.prototype.isBox2 = true;\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nclass Line3 {\n\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\tthis.start = start;\n\t\tthis.end = end;\n\n\t}\n\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\nclass SpotLightHelper extends Object3D {\n\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t- 1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, - 1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateMatrixWorld();\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n\nclass SkeletonHelper extends LineSegments {\n\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst color1 = new Color( 0, 0, 1 );\n\t\tconst color2 = new Color( 0, 1, 0 );\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( color1.r, color1.g, color1.b );\n\t\t\t\tcolors.push( color2.r, color2.g, color2.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkeletonHelper';\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.root = object;\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object && object.isBone ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push.apply( boneList, getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\nclass PointLightHelper extends Mesh {\n\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronBufferGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\nclass HemisphereLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\nclass GridHelper extends LineSegments {\n\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n}\n\nclass PolarGridHelper extends LineSegments {\n\n\tconstructor( radius = 10, radials = 16, circles = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the radials\n\n\t\tfor ( let i = 0; i <= radials; i ++ ) {\n\n\t\t\tconst v = ( i / radials ) * ( Math.PI * 2 );\n\n\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tvertices.push( x, 0, z );\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t}\n\n\t\t// create the circles\n\n\t\tfor ( let i = 0; i <= circles; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / circles * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\nclass DirectionalLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n *\t- shows frustum, line of sight and up of the camera\n *\t- suitable for fast updates\n * \t- based on frustum visualization in lightgl.js shadowmap example\n *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n */\n\nclass CameraHelper extends LineSegments {\n\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2', colorFrustum );\n\t\taddLine( 'n2', 'n4', colorFrustum );\n\t\taddLine( 'n4', 'n3', colorFrustum );\n\t\taddLine( 'n3', 'n1', colorFrustum );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2', colorFrustum );\n\t\taddLine( 'f2', 'f4', colorFrustum );\n\t\taddLine( 'f4', 'f3', colorFrustum );\n\t\taddLine( 'f3', 'f1', colorFrustum );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1', colorFrustum );\n\t\taddLine( 'n2', 'f2', colorFrustum );\n\t\taddLine( 'n3', 'f3', colorFrustum );\n\t\taddLine( 'n4', 'f4', colorFrustum );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1', colorCone );\n\t\taddLine( 'p', 'n2', colorCone );\n\t\taddLine( 'p', 'n3', colorCone );\n\t\taddLine( 'p', 'n4', colorCone );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2', colorUp );\n\t\taddLine( 'u2', 'u3', colorUp );\n\t\taddLine( 'u3', 'u1', colorUp );\n\n\t\t// target\n\n\t\taddLine( 'c', 't', colorTarget );\n\t\taddLine( 'p', 'c', colorCross );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2', colorCross );\n\t\taddLine( 'cn3', 'cn4', colorCross );\n\n\t\taddLine( 'cf1', 'cf2', colorCross );\n\t\taddLine( 'cf3', 'cf4', colorCross );\n\n\t\tfunction addLine( a, b, color ) {\n\n\t\t\taddPoint( a, color );\n\t\t\taddPoint( b, color );\n\n\t\t}\n\n\t\tfunction addPoint( id, color ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// center / target\n\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, - 1 );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, 1 );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, - 1 );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, - 1 );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, - 1 );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, - 1 );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, 1 );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, - 1 );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, - 1 );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, - 1 );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, - 1 );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, - 1 );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\nclass BoxHelper extends LineSegments {\n\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate( object ) {\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );\n\n\t\t}\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLineSegments.prototype.copy.call( this, source );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Box3Helper extends LineSegments {\n\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nclass PlaneHelper extends Line {\n\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, - 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\tthis.plane = plane;\n\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, - 1, 1, 1, - 1, 1 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tlet scale = - this.plane.constant;\n\n\t\tif ( Math.abs( scale ) < 1e-8 ) scale = 1e-8; // sign does not matter\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, scale );\n\n\t\tthis.children[ 0 ].material.side = ( scale < 0 ) ? BackSide : FrontSide; // renderer flips side when determinant < 0; flipping not wanted here\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\nclass ArrowHelper extends Object3D {\n\n\t// dir is assumed to be normalized\n\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, - 0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AxesHelper extends LineSegments {\n\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass ShapePath {\n\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\tthis.color = new Color();\n\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\ttoShapes( isCCW, noHoles ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success    or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t//  with the horizontal line through inPt, left of inPt\n\t\t\t//  not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//console.log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//console.log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tconst toChange = [];\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\n\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//console.log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nconst _floatView = new Float32Array( 1 );\nconst _int32View = new Int32Array( _floatView.buffer );\n\nclass DataUtils {\n\n\t// Converts float32 to float16 (stored as uint16 value).\n\n\tstatic toHalfFloat( val ) {\n\n\t\tif ( val > 65504 ) {\n\n\t\t\tconsole.warn( 'THREE.DataUtils.toHalfFloat(): value exceeds 65504.' );\n\n\t\t\tval = 65504; // maximum representable value in float16\n\n\t\t}\n\n\t\t// Source: http://gamedev.stackexchange.com/questions/17326/conversion-of-a-number-from-single-precision-floating-point-representation-to-a/17410#17410\n\n\t\t/* This method is faster than the OpenEXR implementation (very often\n\t\t* used, eg. in Ogre), with the additional benefit of rounding, inspired\n\t\t* by James Tursa?s half-precision code. */\n\n\t\t_floatView[ 0 ] = val;\n\t\tconst x = _int32View[ 0 ];\n\n\t\tlet bits = ( x >> 16 ) & 0x8000; /* Get the sign */\n\t\tlet m = ( x >> 12 ) & 0x07ff; /* Keep one extra bit for rounding */\n\t\tconst e = ( x >> 23 ) & 0xff; /* Using int is faster here */\n\n\t\t/* If zero, or denormal, or exponent underflows too much for a denormal\n\t\t\t* half, return signed zero. */\n\t\tif ( e < 103 ) return bits;\n\n\t\t/* If NaN, return NaN. If Inf or exponent overflow, return Inf. */\n\t\tif ( e > 142 ) {\n\n\t\t\tbits |= 0x7c00;\n\t\t\t/* If exponent was 0xff and one mantissa bit was set, it means NaN,\n\t\t\t\t\t\t* not Inf, so make sure we set one mantissa bit too. */\n\t\t\tbits |= ( ( e == 255 ) ? 0 : 1 ) && ( x & 0x007fffff );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\t/* If exponent underflows but not too much, return a denormal */\n\t\tif ( e < 113 ) {\n\n\t\t\tm |= 0x0800;\n\t\t\t/* Extra rounding may overflow and set mantissa to 0 and exponent\n\t\t\t\t* to 1, which is OK. */\n\t\t\tbits |= ( m >> ( 114 - e ) ) + ( ( m >> ( 113 - e ) ) & 1 );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\tbits |= ( ( e - 112 ) << 10 ) | ( m >> 1 );\n\t\t/* Extra rounding. An overflow will set mantissa to 0 and increment\n\t\t\t* the exponent, which is OK. */\n\t\tbits += m & 1;\n\t\treturn bits;\n\n\t}\n\n}\n\nconst LineStrip = 0;\nconst LinePieces = 1;\nconst NoColors = 0;\nconst FaceColors = 1;\nconst VertexColors = 2;\n\nfunction MeshFaceMaterial( materials ) {\n\n\tconsole.warn( 'THREE.MeshFaceMaterial has been removed. Use an Array instead.' );\n\treturn materials;\n\n}\n\nfunction MultiMaterial( materials = [] ) {\n\n\tconsole.warn( 'THREE.MultiMaterial has been removed. Use an Array instead.' );\n\tmaterials.isMultiMaterial = true;\n\tmaterials.materials = materials;\n\tmaterials.clone = function () {\n\n\t\treturn materials.slice();\n\n\t};\n\n\treturn materials;\n\n}\n\nfunction PointCloud( geometry, material ) {\n\n\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction Particle( material ) {\n\n\tconsole.warn( 'THREE.Particle has been renamed to THREE.Sprite.' );\n\treturn new Sprite( material );\n\n}\n\nfunction ParticleSystem( geometry, material ) {\n\n\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction PointCloudMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleBasicMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleSystemMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction Vertex( x, y, z ) {\n\n\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\treturn new Vector3( x, y, z );\n\n}\n\n//\n\nfunction DynamicBufferAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead.' );\n\treturn new BufferAttribute( array, itemSize ).setUsage( DynamicDrawUsage );\n\n}\n\nfunction Int8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead.' );\n\treturn new Int8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead.' );\n\treturn new Uint8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead.' );\n\treturn new Uint8ClampedBufferAttribute( array, itemSize );\n\n}\n\nfunction Int16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead.' );\n\treturn new Int16BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead.' );\n\treturn new Uint16BufferAttribute( array, itemSize );\n\n}\n\nfunction Int32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead.' );\n\treturn new Int32BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead.' );\n\treturn new Uint32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead.' );\n\treturn new Float32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float64Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead.' );\n\treturn new Float64BufferAttribute( array, itemSize );\n\n}\n\n//\n\nCurve.create = function ( construct, getPoint ) {\n\n\tconsole.log( 'THREE.Curve.create() has been deprecated' );\n\n\tconstruct.prototype = Object.create( Curve.prototype );\n\tconstruct.prototype.constructor = construct;\n\tconstruct.prototype.getPoint = getPoint;\n\n\treturn construct;\n\n};\n\n//\n\nPath.prototype.fromPoints = function ( points ) {\n\n\tconsole.warn( 'THREE.Path: .fromPoints() has been renamed to .setFromPoints().' );\n\treturn this.setFromPoints( points );\n\n};\n\n//\n\nfunction AxisHelper( size ) {\n\n\tconsole.warn( 'THREE.AxisHelper has been renamed to THREE.AxesHelper.' );\n\treturn new AxesHelper( size );\n\n}\n\nfunction BoundingBoxHelper( object, color ) {\n\n\tconsole.warn( 'THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead.' );\n\treturn new BoxHelper( object, color );\n\n}\n\nfunction EdgesHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\nGridHelper.prototype.setColors = function () {\n\n\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n};\n\nSkeletonHelper.prototype.update = function () {\n\n\tconsole.error( 'THREE.SkeletonHelper: update() no longer needs to be called.' );\n\n};\n\nfunction WireframeHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\n//\n\nLoader.prototype.extractUrlBase = function ( url ) {\n\n\tconsole.warn( 'THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead.' );\n\treturn LoaderUtils.extractUrlBase( url );\n\n};\n\nLoader.Handlers = {\n\n\tadd: function ( /* regex, loader */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.' );\n\n\t},\n\n\tget: function ( /* file */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.' );\n\n\t}\n\n};\n\nfunction XHRLoader( manager ) {\n\n\tconsole.warn( 'THREE.XHRLoader has been renamed to THREE.FileLoader.' );\n\treturn new FileLoader( manager );\n\n}\n\nfunction BinaryTextureLoader( manager ) {\n\n\tconsole.warn( 'THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader.' );\n\treturn new DataTextureLoader( manager );\n\n}\n\n//\n\nBox2.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox2.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox2.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox2.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nBox3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox3.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox3.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox3.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\nBox3.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nSphere.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Sphere: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\n//\n\nFrustum.prototype.setFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix().' );\n\treturn this.setFromProjectionMatrix( m );\n\n};\n\n//\n\nLine3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\n//\n\nMatrix3.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix3.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\treturn vector.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead.' );\n\treturn attribute.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nMatrix4.prototype.extractPosition = function ( m ) {\n\n\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\treturn this.copyPosition( m );\n\n};\n\nMatrix4.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix4.prototype.getPosition = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\treturn new Vector3().setFromMatrixColumn( this, 3 );\n\n};\n\nMatrix4.prototype.setRotationFromQuaternion = function ( q ) {\n\n\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\treturn this.makeRotationFromQuaternion( q );\n\n};\n\nMatrix4.prototype.multiplyToArray = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyToArray() has been removed.' );\n\n};\n\nMatrix4.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector4 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateAxis = function ( v ) {\n\n\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\tv.transformDirection( this );\n\n};\n\nMatrix4.prototype.crossVector = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.translate = function () {\n\n\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateX = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateY = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateZ = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateByAxis = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\n};\n\nMatrix4.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead.' );\n\treturn attribute.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.makeFrustum = function ( left, right, bottom, top, near, far ) {\n\n\tconsole.warn( 'THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead.' );\n\treturn this.makePerspective( left, right, top, bottom, near, far );\n\n};\n\nMatrix4.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nPlane.prototype.isIntersectionLine = function ( line ) {\n\n\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\treturn this.intersectsLine( line );\n\n};\n\n//\n\nQuaternion.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\treturn vector.applyQuaternion( this );\n\n};\n\nQuaternion.prototype.inverse = function ( ) {\n\n\tconsole.warn( 'THREE.Quaternion: .inverse() has been renamed to invert().' );\n\treturn this.invert();\n\n};\n\n//\n\nRay.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nRay.prototype.isIntersectionPlane = function ( plane ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\treturn this.intersectsPlane( plane );\n\n};\n\nRay.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\n//\n\nTriangle.prototype.area = function () {\n\n\tconsole.warn( 'THREE.Triangle: .area() has been renamed to .getArea().' );\n\treturn this.getArea();\n\n};\n\nTriangle.prototype.barycoordFromPoint = function ( point, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn this.getBarycoord( point, target );\n\n};\n\nTriangle.prototype.midpoint = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .midpoint() has been renamed to .getMidpoint().' );\n\treturn this.getMidpoint( target );\n\n};\n\nTriangle.prototypenormal = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn this.getNormal( target );\n\n};\n\nTriangle.prototype.plane = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .plane() has been renamed to .getPlane().' );\n\treturn this.getPlane( target );\n\n};\n\nTriangle.barycoordFromPoint = function ( point, a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn Triangle.getBarycoord( point, a, b, c, target );\n\n};\n\nTriangle.normal = function ( a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn Triangle.getNormal( a, b, c, target );\n\n};\n\n//\n\nShape.prototype.extractAllPoints = function ( divisions ) {\n\n\tconsole.warn( 'THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead.' );\n\treturn this.extractPoints( divisions );\n\n};\n\nShape.prototype.extrude = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\treturn new ExtrudeGeometry( this, options );\n\n};\n\nShape.prototype.makeGeometry = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\treturn new ShapeGeometry( this, options );\n\n};\n\n//\n\nVector2.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector2.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector2.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector3.prototype.setEulerFromRotationMatrix = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\n};\n\nVector3.prototype.setEulerFromQuaternion = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\n};\n\nVector3.prototype.getPositionFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\treturn this.setFromMatrixPosition( m );\n\n};\n\nVector3.prototype.getScaleFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\treturn this.setFromMatrixScale( m );\n\n};\n\nVector3.prototype.getColumnFromMatrix = function ( index, matrix ) {\n\n\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\treturn this.setFromMatrixColumn( matrix, index );\n\n};\n\nVector3.prototype.applyProjection = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead.' );\n\treturn this.applyMatrix4( m );\n\n};\n\nVector3.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector3.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector3.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector4.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector4.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nObject3D.prototype.getChildByName = function ( name ) {\n\n\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\treturn this.getObjectByName( name );\n\n};\n\nObject3D.prototype.renderDepth = function () {\n\n\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\n};\n\nObject3D.prototype.translate = function ( distance, axis ) {\n\n\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\treturn this.translateOnAxis( axis, distance );\n\n};\n\nObject3D.prototype.getWorldRotation = function () {\n\n\tconsole.error( 'THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.' );\n\n};\n\nObject3D.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( Object3D.prototype, {\n\n\teulerOrder: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\treturn this.rotation.order;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\tthis.rotation.order = value;\n\n\t\t}\n\t},\n\tuseQuaternion: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t}\n\t}\n\n} );\n\nMesh.prototype.setDrawMode = function () {\n\n\tconsole.error( 'THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n};\n\nObject.defineProperties( Mesh.prototype, {\n\n\tdrawMode: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode.' );\n\t\t\treturn TrianglesDrawMode;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n\t\t}\n\t}\n\n} );\n\nSkinnedMesh.prototype.initBones = function () {\n\n\tconsole.error( 'THREE.SkinnedMesh: initBones() has been removed.' );\n\n};\n\n//\n\nPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\tconsole.warn( 'THREE.PerspectiveCamera.setLens is deprecated. ' +\n\t\t\t'Use .setFocalLength and .filmGauge for a photographic setup.' );\n\n\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\tthis.setFocalLength( focalLength );\n\n};\n\n//\n\nObject.defineProperties( Light.prototype, {\n\tonlyShadow: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\n\t\t}\n\t},\n\tshadowCameraFov: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\tthis.shadow.camera.fov = value;\n\n\t\t}\n\t},\n\tshadowCameraLeft: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\tthis.shadow.camera.left = value;\n\n\t\t}\n\t},\n\tshadowCameraRight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\tthis.shadow.camera.right = value;\n\n\t\t}\n\t},\n\tshadowCameraTop: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\tthis.shadow.camera.top = value;\n\n\t\t}\n\t},\n\tshadowCameraBottom: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\tthis.shadow.camera.bottom = value;\n\n\t\t}\n\t},\n\tshadowCameraNear: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\tthis.shadow.camera.near = value;\n\n\t\t}\n\t},\n\tshadowCameraFar: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\tthis.shadow.camera.far = value;\n\n\t\t}\n\t},\n\tshadowCameraVisible: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\n\t\t}\n\t},\n\tshadowBias: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\tthis.shadow.bias = value;\n\n\t\t}\n\t},\n\tshadowDarkness: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\n\t\t}\n\t},\n\tshadowMapWidth: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\tthis.shadow.mapSize.width = value;\n\n\t\t}\n\t},\n\tshadowMapHeight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\tthis.shadow.mapSize.height = value;\n\n\t\t}\n\t}\n} );\n\n//\n\nObject.defineProperties( BufferAttribute.prototype, {\n\n\tlength: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Use .count instead.' );\n\t\t\treturn this.array.length;\n\n\t\t}\n\t},\n\tdynamic: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\treturn this.usage === DynamicDrawUsage;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\tthis.setUsage( DynamicDrawUsage );\n\n\t\t}\n\t}\n\n} );\n\nBufferAttribute.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nBufferAttribute.prototype.copyIndicesArray = function ( /* indices */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .copyIndicesArray() has been removed.' );\n\n},\n\nBufferAttribute.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nBufferGeometry.prototype.addIndex = function ( index ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\tthis.setIndex( index );\n\n};\n\nBufferGeometry.prototype.addAttribute = function ( name, attribute ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute().' );\n\n\tif ( ! ( attribute && attribute.isBufferAttribute ) && ! ( attribute && attribute.isInterleavedBufferAttribute ) ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\treturn this.setAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t}\n\n\tif ( name === 'index' ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\tthis.setIndex( attribute );\n\n\t\treturn this;\n\n\t}\n\n\treturn this.setAttribute( name, attribute );\n\n};\n\nBufferGeometry.prototype.addDrawCall = function ( start, count, indexOffset ) {\n\n\tif ( indexOffset !== undefined ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\n\t}\n\n\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\tthis.addGroup( start, count );\n\n};\n\nBufferGeometry.prototype.clearDrawCalls = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\tthis.clearGroups();\n\n};\n\nBufferGeometry.prototype.computeOffsets = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\n};\n\nBufferGeometry.prototype.removeAttribute = function ( name ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute().' );\n\n\treturn this.deleteAttribute( name );\n\n};\n\nBufferGeometry.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( BufferGeometry.prototype, {\n\n\tdrawcalls: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t},\n\toffsets: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t}\n\n} );\n\nInterleavedBuffer.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nInterleavedBuffer.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nExtrudeGeometry.prototype.getArrays = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .getArrays() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShapeList = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShapeList() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShape = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShape() has been removed.' );\n\n};\n\n//\n\nScene.prototype.dispose = function () {\n\n\tconsole.error( 'THREE.Scene: .dispose() has been removed.' );\n\n};\n\n//\n\nUniform.prototype.onUpdate = function () {\n\n\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\treturn this;\n\n};\n\n//\n\nObject.defineProperties( Material.prototype, {\n\n\twrapAround: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t}\n\t},\n\n\toverdraw: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t}\n\t},\n\n\twrapRGB: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapRGB has been removed.' );\n\t\t\treturn new Color();\n\n\t\t}\n\t},\n\n\tshading: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\tthis.flatShading = ( value === FlatShading );\n\n\t\t}\n\t},\n\n\tstencilMask: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\treturn this.stencilFuncMask;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\tthis.stencilFuncMask = value;\n\n\t\t}\n\t},\n\n\tvertexTangents: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( ShaderMaterial.prototype, {\n\n\tderivatives: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\treturn this.extensions.derivatives;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\tthis.extensions.derivatives = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nWebGLRenderer.prototype.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead.' );\n\tthis.setRenderTarget( renderTarget );\n\tthis.clear( color, depth, stencil );\n\n};\n\nWebGLRenderer.prototype.animate = function ( callback ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .animate() is now .setAnimationLoop().' );\n\tthis.setAnimationLoop( callback );\n\n};\n\nWebGLRenderer.prototype.getCurrentRenderTarget = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget().' );\n\treturn this.getRenderTarget();\n\n};\n\nWebGLRenderer.prototype.getMaxAnisotropy = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy().' );\n\treturn this.capabilities.getMaxAnisotropy();\n\n};\n\nWebGLRenderer.prototype.getPrecision = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision.' );\n\treturn this.capabilities.precision;\n\n};\n\nWebGLRenderer.prototype.resetGLState = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .resetGLState() is now .state.reset().' );\n\treturn this.state.reset();\n\n};\n\nWebGLRenderer.prototype.supportsFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_float' );\n\n};\n\nWebGLRenderer.prototype.supportsHalfFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_half_float' );\n\n};\n\nWebGLRenderer.prototype.supportsStandardDerivatives = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\treturn this.extensions.get( 'OES_standard_derivatives' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTextureS3TC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTexturePVRTC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n};\n\nWebGLRenderer.prototype.supportsBlendMinMax = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\treturn this.extensions.get( 'EXT_blend_minmax' );\n\n};\n\nWebGLRenderer.prototype.supportsVertexTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures.' );\n\treturn this.capabilities.vertexTextures;\n\n};\n\nWebGLRenderer.prototype.supportsInstancedArrays = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\n};\n\nWebGLRenderer.prototype.enableScissorTest = function ( boolean ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\tthis.setScissorTest( boolean );\n\n};\n\nWebGLRenderer.prototype.initMaterial = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPrePlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPostPlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.updateShadowMap = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setFaceCulling = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setFaceCulling() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.allocTextureUnit = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .allocTextureUnit() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture2D = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture2D() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTextureCube = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTextureCube() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.getActiveMipMapLevel = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel().' );\n\treturn this.getActiveMipmapLevel();\n\n};\n\nObject.defineProperties( WebGLRenderer.prototype, {\n\n\tshadowMapEnabled: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.enabled;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\tthis.shadowMap.enabled = value;\n\n\t\t}\n\t},\n\tshadowMapType: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\tthis.shadowMap.type = value;\n\n\t\t}\n\t},\n\tshadowMapCullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\tcontext: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .context has been removed. Use .getContext() instead.' );\n\t\t\treturn this.getContext();\n\n\t\t}\n\t},\n\tvr: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .vr has been renamed to .xr' );\n\t\t\treturn this.xr;\n\n\t\t}\n\t},\n\tgammaInput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\n\t\t}\n\t},\n\tgammaOutput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\tthis.outputEncoding = ( value === true ) ? sRGBEncoding : LinearEncoding;\n\n\t\t}\n\t},\n\ttoneMappingWhitePoint: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\t\t\treturn 1.0;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( WebGLShadowMap.prototype, {\n\n\tcullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* cullFace */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderReverseSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderSingleSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t}\n\n} );\n\nfunction WebGLRenderTargetCube( width, height, options ) {\n\n\tconsole.warn( 'THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options ).' );\n\treturn new WebGLCubeRenderTarget( width, options );\n\n}\n\n//\n\nObject.defineProperties( WebGLRenderTarget.prototype, {\n\n\twrapS: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\treturn this.texture.wrapS;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\tthis.texture.wrapS = value;\n\n\t\t}\n\t},\n\twrapT: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\treturn this.texture.wrapT;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\tthis.texture.wrapT = value;\n\n\t\t}\n\t},\n\tmagFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\treturn this.texture.magFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\tthis.texture.magFilter = value;\n\n\t\t}\n\t},\n\tminFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\treturn this.texture.minFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\tthis.texture.minFilter = value;\n\n\t\t}\n\t},\n\tanisotropy: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\treturn this.texture.anisotropy;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\tthis.texture.anisotropy = value;\n\n\t\t}\n\t},\n\toffset: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\treturn this.texture.offset;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\tthis.texture.offset = value;\n\n\t\t}\n\t},\n\trepeat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\treturn this.texture.repeat;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\tthis.texture.repeat = value;\n\n\t\t}\n\t},\n\tformat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\treturn this.texture.format;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\tthis.texture.format = value;\n\n\t\t}\n\t},\n\ttype: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\treturn this.texture.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\tthis.texture.type = value;\n\n\t\t}\n\t},\n\tgenerateMipmaps: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\treturn this.texture.generateMipmaps;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\tthis.texture.generateMipmaps = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nAudio.prototype.load = function ( file ) {\n\n\tconsole.warn( 'THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.' );\n\tconst scope = this;\n\tconst audioLoader = new AudioLoader();\n\taudioLoader.load( file, function ( buffer ) {\n\n\t\tscope.setBuffer( buffer );\n\n\t} );\n\treturn this;\n\n};\n\n\nAudioAnalyser.prototype.getData = function () {\n\n\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\treturn this.getFrequencyData();\n\n};\n\n//\n\nCubeCamera.prototype.updateCubeMap = function ( renderer, scene ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .updateCubeMap() is now .update().' );\n\treturn this.update( renderer, scene );\n\n};\n\nCubeCamera.prototype.clear = function ( renderer, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .clear() is now .renderTarget.clear().' );\n\treturn this.renderTarget.clear( renderer, color, depth, stencil );\n\n};\n\nImageUtils.crossOrigin = undefined;\n\nImageUtils.loadTexture = function ( url, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\tconst loader = new TextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( url, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadTextureCube = function ( urls, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\tconst loader = new CubeTextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( urls, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadCompressedTexture = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\nImageUtils.loadCompressedTextureCube = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\n//\n\nfunction CanvasRenderer() {\n\n\tconsole.error( 'THREE.CanvasRenderer has been removed' );\n\n}\n\n//\n\nfunction JSONLoader() {\n\n\tconsole.error( 'THREE.JSONLoader has been removed.' );\n\n}\n\n//\n\nconst SceneUtils = {\n\n\tcreateMultiMaterialObject: function ( /* geometry, materials */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tdetach: function ( /* child, parent, scene */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tattach: function ( /* child, scene, parent */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t}\n\n};\n\n//\n\nfunction LensFlare() {\n\n\tconsole.error( 'THREE.LensFlare has been moved to /examples/jsm/objects/Lensflare.js' );\n\n}\n\n//\n\nfunction ParametricGeometry() {\n\n\tconsole.error( 'THREE.ParametricGeometry has been moved to /examples/jsm/geometries/ParametricGeometry.js' );\n\treturn new BufferGeometry();\n\n}\n\nfunction TextGeometry() {\n\n\tconsole.error( 'THREE.TextGeometry has been moved to /examples/jsm/geometries/TextGeometry.js' );\n\treturn new BufferGeometry();\n\n}\n\nfunction FontLoader() {\n\n\tconsole.error( 'THREE.FontLoader has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\nfunction Font() {\n\n\tconsole.error( 'THREE.Font has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\nfunction ImmediateRenderObject() {\n\n\tconsole.error( 'THREE.ImmediateRenderObject has been removed.' );\n\n}\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t/* eslint-disable no-undef */\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\t/* eslint-enable no-undef */\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\tconsole.warn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AlphaFormat, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightProbe, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, AxisHelper, BackSide, BasicDepthPacking, BasicShadowMap, BinaryTextureLoader, Bone, BooleanKeyframeTrack, BoundingBoxHelper, Box2, Box3, Box3Helper, BoxGeometry as BoxBufferGeometry, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasRenderer, CanvasTexture, CatmullRomCurve3, CineonToneMapping, CircleGeometry as CircleBufferGeometry, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, CompressedTexture, CompressedTextureLoader, ConeGeometry as ConeBufferGeometry, ConeGeometry, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubeUVRefractionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry as CylinderBufferGeometry, CylinderGeometry, Cylindrical, DataTexture, DataTexture2DArray, DataTexture3D, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry as DodecahedronBufferGeometry, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicBufferAttribute, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EdgesHelper, EllipseCurve, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry as ExtrudeBufferGeometry, ExtrudeGeometry, FaceColors, FileLoader, FlatShading, Float16BufferAttribute, Float32Attribute, Float32BufferAttribute, Float64Attribute, Float64BufferAttribute, FloatType, Fog, FogExp2, Font, FontLoader, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GammaEncoding, GreaterDepth, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, HemisphereLightProbe, IcosahedronGeometry as IcosahedronBufferGeometry, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, ImmediateRenderObject, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16Attribute, Int16BufferAttribute, Int32Attribute, Int32BufferAttribute, Int8Attribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, JSONLoader, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry as LatheBufferGeometry, LatheGeometry, Layers, LensFlare, LessDepth, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LinePieces, LineSegments, LineStrip, LinearEncoding, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearToneMapping, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils as Math, MathUtils, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshFaceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiMaterial, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeverDepth, NeverStencilFunc, NoBlending, NoColors, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry as OctahedronBufferGeometry, OctahedronGeometry, OneFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, ParametricGeometry, Particle, ParticleBasicMaterial, ParticleSystem, ParticleSystemMaterial, Path, PerspectiveCamera, Plane, PlaneGeometry as PlaneBufferGeometry, PlaneGeometry, PlaneHelper, PointCloud, PointCloudMaterial, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry as PolyhedronBufferGeometry, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDEncoding, RGBEEncoding, RGBEFormat, RGBFormat, RGBIntegerFormat, RGBM16Encoding, RGBM7Encoding, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry as RingBufferGeometry, RingGeometry, SRGB8_ALPHA8_ASTC_10x10_Format, SRGB8_ALPHA8_ASTC_10x5_Format, SRGB8_ALPHA8_ASTC_10x6_Format, SRGB8_ALPHA8_ASTC_10x8_Format, SRGB8_ALPHA8_ASTC_12x10_Format, SRGB8_ALPHA8_ASTC_12x12_Format, SRGB8_ALPHA8_ASTC_4x4_Format, SRGB8_ALPHA8_ASTC_5x4_Format, SRGB8_ALPHA8_ASTC_5x5_Format, SRGB8_ALPHA8_ASTC_6x5_Format, SRGB8_ALPHA8_ASTC_6x6_Format, SRGB8_ALPHA8_ASTC_8x5_Format, SRGB8_ALPHA8_ASTC_8x6_Format, SRGB8_ALPHA8_ASTC_8x8_Format, Scene, SceneUtils, ShaderChunk, ShaderLib, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry as ShapeBufferGeometry, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SmoothShading, Sphere, SphereGeometry as SphereBufferGeometry, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry as TetrahedronBufferGeometry, TetrahedronGeometry, TextGeometry, Texture, TextureLoader, TorusGeometry as TorusBufferGeometry, TorusGeometry, TorusKnotGeometry as TorusKnotBufferGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry as TubeBufferGeometry, TubeGeometry, UVMapping, Uint16Attribute, Uint16BufferAttribute, Uint32Attribute, Uint32BufferAttribute, Uint8Attribute, Uint8BufferAttribute, Uint8ClampedAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShort565Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, Vertex, VertexColors, VideoTexture, WebGL1Renderer, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLMultisampleRenderTarget, WebGLRenderTarget, WebGLRenderTargetCube, WebGLRenderer, WebGLUtils, WireframeGeometry, WireframeHelper, WrapAroundEnding, XHRLoader, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, sRGBEncoding };\n", "import {\n\tEventDispatcher,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3\n} from 'three';\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n//    Orbit - left mouse / touch: one-finger move\n//    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n//    Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\n\nconst _changeEvent = { type: 'change' };\nconst _startEvent = { type: 'start' };\nconst _endEvent = { type: 'end' };\n\nclass OrbitControls extends EventDispatcher {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper();\n\n\t\tif ( domElement === undefined ) console.warn( 'THREE.OrbitControls: The second parameter \"domElement\" is now mandatory.' );\n\t\tif ( domElement === document ) console.error( 'THREE.OrbitControls: \"document\" should not be used as the target \"domElement\". Please use \"renderer.domElement\" instead.' );\n\n\t\tthis.object = object;\n\t\tthis.domElement = domElement;\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.05;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.panSpeed = 1.0;\n\t\tthis.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per orbit when fps is 60\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t// Touch fingers\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.getDistance = function () {\n\n\t\t\treturn this.object.position.distanceTo( this.target );\n\n\t\t};\n\n\t\tthis.listenToKeyEvents = function ( domElement ) {\n\n\t\t\tdomElement.addEventListener( 'keydown', onKeyDown );\n\t\t\tthis._domElementKeyEvents = domElement;\n\n\t\t};\n\n\t\tthis.saveState = function () {\n\n\t\t\tscope.target0.copy( scope.target );\n\t\t\tscope.position0.copy( scope.object.position );\n\t\t\tscope.zoom0 = scope.object.zoom;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tconst quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\t\tconst quatInverse = quat.clone().invert();\n\n\t\t\tconst lastPosition = new Vector3();\n\t\t\tconst lastQuaternion = new Quaternion();\n\n\t\t\tconst twoPI = 2 * Math.PI;\n\n\t\t\treturn function update() {\n\n\t\t\t\tconst position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tif ( scope.enableDamping ) {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta * scope.dampingFactor;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi * scope.dampingFactor;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t}\n\n\t\t\t\t// restrict theta to be between desired limits\n\n\t\t\t\tlet min = scope.minAzimuthAngle;\n\t\t\t\tlet max = scope.maxAzimuthAngle;\n\n\t\t\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\t\t\tif ( min < - Math.PI ) min += twoPI; else if ( min > Math.PI ) min -= twoPI;\n\n\t\t\t\t\tif ( max < - Math.PI ) max += twoPI; else if ( max > Math.PI ) max -= twoPI;\n\n\t\t\t\t\tif ( min <= max ) {\n\n\t\t\t\t\t\tspherical.theta = Math.max( min, Math.min( max, spherical.theta ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tspherical.theta = ( spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\t\t\tMath.max( min, spherical.theta ) :\n\t\t\t\t\t\t\tMath.min( max, spherical.theta );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tscope.target.addScaledVector( panOffset, scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\t}\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t\tpanOffset.multiplyScalar( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function () {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu );\n\n\t\t\tscope.domElement.removeEventListener( 'pointerdown', onPointerDown );\n\t\t\tscope.domElement.removeEventListener( 'pointercancel', onPointerCancel );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel );\n\n\t\t\tscope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t\tscope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\n\t\t\tif ( scope._domElementKeyEvents !== null ) {\n\n\t\t\t\tscope._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown );\n\n\t\t\t}\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tconst scope = this;\n\n\t\tconst STATE = {\n\t\t\tNONE: - 1,\n\t\t\tROTATE: 0,\n\t\t\tDOLLY: 1,\n\t\t\tPAN: 2,\n\t\t\tTOUCH_ROTATE: 3,\n\t\t\tTOUCH_PAN: 4,\n\t\t\tTOUCH_DOLLY_PAN: 5,\n\t\t\tTOUCH_DOLLY_ROTATE: 6\n\t\t};\n\n\t\tlet state = STATE.NONE;\n\n\t\tconst EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tconst spherical = new Spherical();\n\t\tconst sphericalDelta = new Spherical();\n\n\t\tlet scale = 1;\n\t\tconst panOffset = new Vector3();\n\t\tlet zoomChanged = false;\n\n\t\tconst rotateStart = new Vector2();\n\t\tconst rotateEnd = new Vector2();\n\t\tconst rotateDelta = new Vector2();\n\n\t\tconst panStart = new Vector2();\n\t\tconst panEnd = new Vector2();\n\t\tconst panDelta = new Vector2();\n\n\t\tconst dollyStart = new Vector2();\n\t\tconst dollyEnd = new Vector2();\n\t\tconst dollyDelta = new Vector2();\n\n\t\tconst pointers = [];\n\t\tconst pointerPositions = {};\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tconst panLeft = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tconst panUp = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tif ( scope.screenSpacePanning === true ) {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t\t\tv.crossVectors( scope.object.up, v );\n\n\t\t\t\t}\n\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tconst pan = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\treturn function pan( deltaX, deltaY ) {\n\n\t\t\t\tconst element = scope.domElement;\n\n\t\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tconst position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tlet targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tswitch ( event.code ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\t\tevent.preventDefault();\n\n\t\t\t\tscope.update();\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\trotateStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\trotateStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartPan() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\tpanStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly() {\n\n\t\t\tconst dx = pointers[ 0 ].pageX - pointers[ 1 ].pageX;\n\t\t\tconst dy = pointers[ 0 ].pageY - pointers[ 1 ].pageY;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyPan() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enablePan ) handleTouchStartPan();\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyRotate() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enableRotate ) handleTouchStartRotate();\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\tif ( pointers.length == 1 ) {\n\n\t\t\t\trotateEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\trotateEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\tpanEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\tconst dx = event.pageX - position.x;\n\t\t\tconst dy = event.pageY - position.y;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );\n\n\t\t\tdollyOut( dollyDelta.y );\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyPan( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enablePan ) handleTouchMovePan( event );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyRotate( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enableRotate ) handleTouchMoveRotate( event );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onPointerDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( pointers.length === 0 ) {\n\n\t\t\t\tscope.domElement.setPointerCapture( event.pointerId );\n\n\t\t\t\tscope.domElement.addEventListener( 'pointermove', onPointerMove );\n\t\t\t\tscope.domElement.addEventListener( 'pointerup', onPointerUp );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\taddPointer( event );\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchStart( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseDown( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchMove( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseMove( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerUp( event ) {\n\n\t\t    removePointer( event );\n\n\t\t    if ( pointers.length === 0 ) {\n\n\t\t        scope.domElement.releasePointerCapture( event.pointerId );\n\n\t\t        scope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t        scope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\t\t    }\n\n\t\t    scope.dispatchEvent( _endEvent );\n\n\t\t    state = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onPointerCancel( event ) {\n\n\t\t\tremovePointer( event );\n\n\t\t}\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tlet mouseAction;\n\n\t\t\tswitch ( event.button ) {\n\n\t\t\t\tcase 0:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.LEFT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.MIDDLE;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.RIGHT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tmouseAction = - 1;\n\n\t\t\t}\n\n\t\t\tswitch ( mouseAction ) {\n\n\t\t\t\tcase MOUSE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.ROTATE:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.PAN:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( _endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( pointers.length ) {\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tswitch ( scope.touches.ONE ) {\n\n\t\t\t\t\t\tcase TOUCH.ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.PAN:\n\n\t\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tswitch ( scope.touches.TWO ) {\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_PAN:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.TOUCH_ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_PAN:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyPan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_ROTATE:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\tfunction addPointer( event ) {\n\n\t\t\tpointers.push( event );\n\n\t\t}\n\n\t\tfunction removePointer( event ) {\n\n\t\t\tdelete pointerPositions[ event.pointerId ];\n\n\t\t\tfor ( let i = 0; i < pointers.length; i ++ ) {\n\n\t\t\t\tif ( pointers[ i ].pointerId == event.pointerId ) {\n\n\t\t\t\t\tpointers.splice( i, 1 );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction trackPointer( event ) {\n\n\t\t\tlet position = pointerPositions[ event.pointerId ];\n\n\t\t\tif ( position === undefined ) {\n\n\t\t\t\tposition = new Vector2();\n\t\t\t\tpointerPositions[ event.pointerId ] = position;\n\n\t\t\t}\n\n\t\t\tposition.set( event.pageX, event.pageY );\n\n\t\t}\n\n\t\tfunction getSecondPointerPosition( event ) {\n\n\t\t\tconst pointer = ( event.pointerId === pointers[ 0 ].pointerId ) ? pointers[ 1 ] : pointers[ 0 ];\n\n\t\t\treturn pointerPositions[ pointer.pointerId ];\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu );\n\n\t\tscope.domElement.addEventListener( 'pointerdown', onPointerDown );\n\t\tscope.domElement.addEventListener( 'pointercancel', onPointerCancel );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, { passive: false } );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t}\n\n}\n\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n// This is very similar to OrbitControls, another set of touch behavior\n//\n//    Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate\n//    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n//    Pan - left mouse, or arrow keys / touch: one-finger move\n\nclass MapControls extends OrbitControls {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up\n\n\t\tthis.mouseButtons.LEFT = MOUSE.PAN;\n\t\tthis.mouseButtons.RIGHT = MOUSE.ROTATE;\n\n\t\tthis.touches.ONE = TOUCH.PAN;\n\t\tthis.touches.TWO = TOUCH.DOLLY_ROTATE;\n\n\t}\n\n}\n\nexport { OrbitControls, MapControls };\n", "import type { Vector3 } from 'three';\n\nimport type { Coordinate3d, CoordinateXYZ } from './Coordinates';\n\nlet scaleFactor = 1.0;\n\n/**\n * Set the number of units per AU.\n */\nexport function setScaleFactor(val: number) {\n  scaleFactor = val;\n}\n\n/**\n * Get the number of units per AU.\n */\nexport function getScaleFactor(): number {\n  return scaleFactor;\n}\n\nexport function rescalePos(pos: CoordinateXYZ): CoordinateXYZ {\n  pos.x *= scaleFactor;\n  pos.y *= scaleFactor;\n  pos.z *= scaleFactor;\n  return pos;\n}\n\nexport function rescaleArray(XYZ: Coordinate3d): Coordinate3d {\n  return [XYZ[0] * scaleFactor, XYZ[1] * scaleFactor, XYZ[2] * scaleFactor];\n}\n\nexport function rescaleXYZ(X: number, Y: number, Z: number): Coordinate3d {\n  return [X * scaleFactor, Y * scaleFactor, Z * scaleFactor];\n}\n\nexport function rescaleVector(vec: Vector3): Vector3 {\n  return vec.multiplyScalar(scaleFactor);\n}\n\nexport function rescaleNumber(x: number): number {\n  return scaleFactor * x;\n}\n", "import * as THREE from 'three';\nimport { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';\nimport type { PerspectiveCamera } from 'three';\n\nimport { rescaleNumber, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { SimulationContext } from './Simulation';\nimport type { SpaceObject } from './SpaceObject';\n\n/**\n * A wrapper for Three.js camera and controls.\n * TODO(ian): Rename to \"Viewer\"\n */\nexport default class Camera {\n  private context: SimulationContext;\n\n  private camera: PerspectiveCamera;\n\n  private cameraControls: OrbitControls;\n\n  private followMesh?: THREE.Object3D;\n\n  /**\n   * @param {Object} context The simulation context\n   */\n  constructor(context: SimulationContext) {\n    // TODO(ian): Accept either context or container\n    this.context = context;\n\n    // Optional mesh that we are following.\n    this.followMesh = undefined;\n\n    const containerWidth = this.context.container.width;\n    const containerHeight = this.context.container.height;\n\n    const camera = new THREE.PerspectiveCamera(\n      50,\n      containerWidth / containerHeight,\n      rescaleNumber(0.00001),\n      rescaleNumber(2000),\n    );\n    this.camera = camera;\n\n    // Controls\n    // TODO(ian): Set maxDistance to prevent camera farplane cutoff.\n    // See https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/6\n\n    // TODO(ian): Access this better\n    const renderer = this.context.simulation.getRenderer();\n\n    const controls = new OrbitControls(this.camera, renderer.domElement);\n    controls.enableDamping = true;\n    controls.dampingFactor = 0.05;\n    controls.enablePan = true;\n    controls.zoomSpeed = 1.5;\n    controls.panSpeed = 2;\n    controls.rotateSpeed = 2;\n    controls.mouseButtons = {\n      LEFT: THREE.MOUSE.ROTATE,\n      MIDDLE: THREE.MOUSE.DOLLY,\n      RIGHT: THREE.MOUSE.PAN,\n    };\n    controls.touches = {\n      ONE: THREE.TOUCH.ROTATE,\n      TWO: THREE.TOUCH.DOLLY_ROTATE,\n    };\n    this.cameraControls = controls;\n  }\n\n  /**\n   * Move the camera to follow a SpaceObject as it moves. Currently only works\n   * for non-particlesystems.\n   * @param {SpaceObject} obj SpaceObject to follow.\n   * @param {Array.<Number>} position Position of the camera with respect to\n   * the object.\n   */\n  followObject(obj: SpaceObject, position: Coordinate3d) {\n    const followMesh = obj.get3jsObjects()[0];\n\n    this.cameraControls.enablePan = false;\n\n    const rescaled = rescaleArray(position);\n    this.camera.position.add(\n      new THREE.Vector3(rescaled[0], rescaled[1], rescaled[2]),\n    );\n\n    this.cameraControls.update();\n    this.followMesh = followMesh;\n  }\n\n  /**\n   * Stop the camera from following the object.\n   */\n  stopFollowingObject() {\n    if (this.followMesh) {\n      this.followMesh.remove(this.camera);\n      this.followMesh = undefined;\n      this.cameraControls.enablePan = true;\n    }\n  }\n\n  /**\n   * @returns {boolean} True if camera is following object.\n   */\n  isFollowingObject(): boolean {\n    return !!this.followMesh;\n  }\n\n  /**\n   * @returns {THREE.PerspectiveCamera} The THREE.js camera object.\n   */\n  get3jsCamera(): THREE.PerspectiveCamera {\n    return this.camera;\n  }\n\n  /**\n   * @returns {THREE.OrbitControls} The THREE.js CameraControls object.\n   */\n  get3jsCameraControls(): OrbitControls {\n    return this.cameraControls;\n  }\n\n  /**\n   * Update the camera position and process control inputs.\n   */\n  update() {\n    if (this.isFollowingObject()) {\n      const newpos = this.followMesh!.position.clone();\n\n      const offset = newpos.clone().sub(this.cameraControls.target);\n      this.camera.position.add(offset);\n\n      this.cameraControls.target.set(newpos.x, newpos.y, newpos.z);\n    }\n\n    // Handle control movements\n    this.cameraControls.update();\n\n    // Update camera matrix\n    this.camera.updateMatrixWorld();\n  }\n}\n", "export default class Units {\n  static rad(val: number): number {\n    return (val * Math.PI) / 180;\n  }\n\n  static deg(val: number): number {\n    return (val * 180) / Math.PI;\n  }\n\n  static hoursToDeg(val: number): number {\n    return val * 15.0;\n  }\n\n  static sexagesimalToDecimalRa(\n    raHour: number,\n    raMin: number,\n    raSec: number,\n  ): number {\n    // https://astronomy.stackexchange.com/questions/24518/convert-a-decimal-into-ra-or-dec\n    return raHour * 15.0 + raMin / 4.0 + raSec / 240.0;\n  }\n\n  static sexagesimalToDecimalDec(\n    decDeg: number,\n    decMin: number,\n    decSec: number,\n    isObserverBelowEquator: boolean = false,\n  ): number {\n    const posneg = isObserverBelowEquator ? -1 : 1;\n    return decDeg + decMin / 60.0 + (posneg * decSec) / 3600.0;\n  }\n\n  static valToSexagesimalRa(val: number): [number, number, number] {\n    const raHour = Math.trunc(val / 15.0);\n    const raMin = Math.trunc((val - raHour * 15.0) * 4.0);\n    const raSec = (val - raHour * 15.0 - raMin / 4.0) * 240.0;\n    return [raHour, raMin, raSec];\n  }\n\n  static decimalToSexagesimalDec(\n    val: number,\n    isObserverBelowEquator: boolean = false,\n  ) {\n    const posneg = isObserverBelowEquator ? -1 : 1;\n\n    const decDeg = Math.trunc(val);\n    const decMin = Math.trunc((val - posneg * decDeg) * 60.0 * posneg);\n    const decSec =\n      (val - posneg * decDeg - (posneg * decMin) / 60.0) * 3600.0 * posneg;\n    return [decDeg, decMin, decSec];\n  }\n\n  static kmToAu(km: number): number {\n    return km / 149597870.7;\n  }\n\n  static auToKm(au: number): number {\n    return au * 149597870.7;\n  }\n}\n", "import Units from './Units';\n\nexport type Coordinate3d = [number, number, number];\nexport type CoordinateXYZ = {\n  x: number;\n  y: number;\n  z: number;\n};\n\nconst J2000: number = 2451545.0;\n\nexport default class Coordinates {\n  static sphericalToCartesian(\n    ra: number,\n    dec: number,\n    dist: number,\n  ): Coordinate3d {\n    // See http://www.stargazing.net/kepler/rectang.html\n    return [\n      dist * Math.cos(ra) * Math.cos(dec),\n      dist * Math.sin(ra) * Math.cos(dec),\n      dist * Math.sin(dec),\n    ];\n  }\n\n  /**\n   * See https://en.wikipedia.org/wiki/Ecliptic_coordinate_system#Converting_Cartesian_vector\n   */\n  static equatorialToEcliptic_Cartesian(\n    x: number,\n    y: number,\n    z: number,\n    tilt: number,\n  ): Coordinate3d {\n    return [\n      x,\n      Math.cos(tilt) * y + Math.sin(tilt) * z,\n      -Math.sin(tilt) * y + Math.cos(tilt) * z,\n    ];\n  }\n\n  static eclipticToEquatorial_Cartesian(\n    x: number,\n    y: number,\n    z: number,\n    tilt: number,\n  ): Coordinate3d {\n    return [\n      x,\n      Math.cos(tilt) * y + -Math.sin(tilt) * z,\n      Math.sin(tilt) * y + Math.cos(tilt) * z,\n    ];\n  }\n\n  /**\n   * Get Earth's obliquity and nutation at a given date.\n   * @param {Number} jd JD date\n   * @return {Object} Object with attributes \"obliquity\" and \"nutation\" provided\n   * in radians\n   */\n  static getNutationAndObliquity(jd: number = J2000): {\n    nutation: number;\n    obliquity: number;\n  } {\n    const t = (jd - J2000) / 36525;\n    const omega = Units.rad(\n      125.04452 - 1934.136261 * t + 0.0020708 * t * t + (t * t + t) / 450000,\n    );\n    const Lsun = Units.rad(280.4665 + 36000.7698 * t);\n    const Lmoon = Units.rad(218.3165 + 481267.8813 * t);\n\n    const nutation =\n      (-17.2 / 3600) * Math.sin(omega) -\n      (-1.32 / 3600) * Math.sin(2 * Lsun) -\n      (0.23 / 3600) * Math.sin(2 * Lmoon) +\n      Units.deg((0.21 / 3600) * Math.sin(2 * omega));\n\n    const obliquity_zero =\n      23 +\n      26.0 / 60 +\n      21.448 / 3600 -\n      (46.815 / 3600) * t -\n      (0.00059 / 3600) * t * t +\n      (0.001813 / 3600) * t * t * t;\n    const obliquity_delta =\n      (9.2 / 3600) * Math.cos(omega) +\n      (0.57 / 3600) * Math.cos(2 * Lsun) +\n      (0.1 / 3600) * Math.cos(2 * Lmoon) -\n      (0.09 / 3600) * Math.cos(2 * omega);\n    const obliquity = obliquity_zero + obliquity_delta;\n\n    return {\n      nutation: Units.rad(nutation),\n      obliquity: Units.rad(obliquity),\n    };\n  }\n\n  /**\n   * Get Earth's obliquity at a given date.\n   * @param {Number} jd JD date\n   * @return {Number} Obliquity in radians\n   */\n  static getObliquity(jd: number = J2000): number {\n    return this.getNutationAndObliquity(jd).obliquity;\n  }\n}\n", "const METERS_IN_AU = 149597870700;\nconst SECONDS_IN_DAY = 86400;\n\ntype EphemAttribute =\n  | 'a'\n  | 'e'\n  | 'i'\n  | 'q'\n  | 'epoch'\n  | 'period'\n  | 'tp'\n  | 'ma'\n  | 'n'\n  | 'L'\n  | 'om'\n  | 'w'\n  | 'wBar'\n  | 'GM';\n\ninterface EphemAttributes {\n  a?: number;\n  e?: number;\n  i?: number;\n  q?: number;\n  epoch?: number;\n  period?: number;\n  tp?: number;\n\n  ma?: number;\n  n?: number;\n  L?: number;\n  om?: number;\n  w?: number;\n  wBar?: number;\n  GM?: number;\n}\n\n// TODO(ian): Allow multiple valid attrs for a single quantity and map them\n// internally to a single canonical attribute.\nconst EPHEM_VALID_ATTRS: Set<string> = new Set([\n  'a', // Semi-major axis\n  'e', // Eccentricity\n  'i', // Inclination\n  'q', // Perihelion distance\n\n  'epoch',\n  'period', // in days\n  'tp', // time of perihelion\n\n  'ma', // Mean anomaly\n  'n', // Mean motion\n  'L', // Mean longitude\n\n  'om', // Longitude of Ascending Node\n  'w', // Argument of Perihelion = Longitude of Perihelion - Longitude of Ascending Node\n  'wBar', // Longitude of Perihelion = Longitude of Ascending Node + Argument of Perihelion\n\n  'GM', // Gravitational constant of more massive body\n]);\n\n// Which of these are angular measurements.\nconst ANGLE_UNITS: Set<string> = new Set([\n  'i',\n  'ma',\n  'n',\n  'L',\n  'om',\n  'w',\n  'wBar',\n]);\n\n/**\n * Standard gravitational parameter for objects orbiting these bodies.\n * Units in m^3/s^2\n */\nexport const GM: {\n  SUN: number;\n  MERCURY: number;\n  VENUS: number;\n  EARTH_MOON: number;\n  MARS: number;\n  JUPITER: number;\n  SATURN: number;\n  URANUS: number;\n  NEPTUNE: number;\n  PLUTO_CHARON: number;\n} = {\n  // See https://space.stackexchange.com/questions/22948/where-to-find-the-best-values-for-standard-gravitational-parameters-of-solar-sys and https://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc\n  SUN: 1.3271244004193938e20,\n  MERCURY: 2.2031780000000021e13,\n  VENUS: 3.2485859200000006e14,\n  EARTH_MOON: 4.0350323550225981e14,\n  MARS: 4.2828375214000022e13,\n  JUPITER: 1.2671276480000021e17,\n  SATURN: 3.7940585200000003e16,\n  URANUS: 5.794548600000008e15,\n  NEPTUNE: 6.8365271005800236e15,\n  PLUTO_CHARON: 9.7700000000000068e11,\n};\n\n// Returns true if object is a number.\nfunction isDef(obj?: number) {\n  return typeof obj !== 'undefined' && Number.isFinite(obj);\n}\n\n/**\n * A class representing Kepler ephemerides.\n * @example\n * ```\n * const NEPTUNE = new Ephem({\n *   epoch: 2458426.500000000,\n *   a: 3.009622263428050E+01,\n *   e: 7.362571187193770E-03,\n *   i: 1.774569249829094E+00,\n *   om: 1.318695882492132E+02,\n *   w: 2.586226409499831E+02,\n *   ma: 3.152804988924479E+02,\n * }, 'deg'),\n * ```\n */\nexport class Ephem {\n  private attrs: EphemAttributes;\n\n  private locked: boolean;\n\n  /**\n   * @param {Object} initialValues A dictionary of initial values. Not all values\n   * are required as some may be inferred from others.\n   * @param {Number} initialValues.a Semimajor axis\n   * @param {Number} initialValues.e Eccentricity\n   * @param {Number} initialValues.i Inclination\n   * @param {Number} initialValues.epoch Epoch in JD\n   * @param {Number} initialValues.period Period in days\n   * @param {Number} initialValues.ma Mean anomaly\n   * @param {Number} initialValues.n Mean motion\n   * @param {Number} initialValues.L Mean longitude\n   * @param {Number} initialValues.om Longitude of Ascending Node\n   * @param {Number} initialValues.w Argument of Perihelion\n   * @param {Number} initialValues.wBar Longitude of Perihelion\n   * @param {GM} initialValues.GM Standard gravitational parameter in km^3/s^2.\n   * Defaults to GM.SUN.  @see {GM}\n   * @param {'deg'|'rad'} units The unit of angles in the list of initial values.\n   */\n  constructor(\n    initialValues: EphemAttributes,\n    units: 'rad' | 'deg' = 'rad',\n    locked: boolean = false,\n  ) {\n    this.attrs = {};\n    this.locked = false;\n\n    for (const attr in initialValues) {\n      if (initialValues.hasOwnProperty(attr)) {\n        const actualUnits = ANGLE_UNITS.has(attr) ? units : null;\n        this.set(\n          attr as EphemAttribute,\n          initialValues[attr as keyof EphemAttributes] as number,\n          actualUnits as 'rad' | 'deg',\n        );\n      }\n    }\n\n    if (typeof this.attrs.GM === 'undefined') {\n      this.attrs.GM = GM.SUN;\n    }\n    this.fill();\n\n    if (this.get('e') > 0.9 && typeof this.getUnsafe('tp') === 'undefined') {\n      console.warn(\n        'You must specify \"tp\" (time of perihelion) for highly eccentric orbits',\n      );\n    }\n\n    this.locked = locked;\n  }\n\n  /**\n   * Sets an ephemerides attribute.\n   * @param {String} attr The name of the attribute (e.g. 'a')\n   * @param {Number} val The value of the attribute (e.g. 0.5)\n   * @param {'deg'|'rad'} units The unit of angle provided, if applicable.\n   */\n  set(attr: EphemAttribute, val: number, units: 'deg' | 'rad' = 'rad') {\n    if (this.locked) {\n      throw new Error('Attempted to modify locked (immutable) Ephem object');\n    }\n\n    if (!EPHEM_VALID_ATTRS.has(attr)) {\n      console.warn(`Invalid ephem attr: ${attr}`);\n      return false;\n    }\n\n    // Store everything in radians.\n    // TODO(ian): Make sure value can't be set with bogus units.\n    if (units === 'deg') {\n      this.attrs[attr] = (val * Math.PI) / 180;\n    } else {\n      this.attrs[attr] = val;\n    }\n    return true;\n  }\n\n  /**\n   * Gets an ephemerides attribute, but may return undefined if it's not set.\n   * @param {String} attr The name of the attribute (e.g. 'a')\n   * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n   * input is ignored for values that are not angle measurements.\n   * @return {Number} Ephemeris attribute value, or undefined\n   */\n  getUnsafe(\n    attr: EphemAttribute,\n    units: 'deg' | 'rad' = 'rad',\n  ): number | undefined {\n    if (units === 'deg') {\n      const attrVal = this.attrs[attr];\n      if (typeof attrVal === 'undefined') {\n        return undefined;\n      }\n      return (attrVal * 180) / Math.PI;\n    }\n    return this.attrs[attr];\n  }\n\n  /**\n   * Gets an ephemerides attribute.\n   * @param {String} attr The name of the attribute (e.g. 'a')\n   * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n   * input is ignored for values that are not angle measurements.\n   * @return {Number} Ephemeris attribute value\n   */\n  get(attr: EphemAttribute, units: 'deg' | 'rad' = 'rad'): number {\n    const retVal = this.getUnsafe(attr, units);\n    if (typeof retVal === 'undefined') {\n      console.info(this.attrs);\n      throw new Error(\n        `Attempted to get ephemeris value '${attr}' but it was undefined`,\n      );\n    }\n    return retVal;\n  }\n\n  /**\n   * @private\n   * Infers values of some ephemerides attributes if the required information\n   * is available.\n   */\n  private fill() {\n    // Perihelion distance and semimajor axis\n    const e = this.getUnsafe('e');\n    if (!isDef(e)) {\n      console.info(this.attrs);\n      throw new Error('Must define eccentricity \"e\" in an orbit');\n    }\n\n    // Semimajor axis and perihelion distance\n    let a = this.getUnsafe('a');\n    let q = this.getUnsafe('q');\n    if (isDef(a)) {\n      if (!isDef(q)) {\n        if (e! >= 1.0) {\n          throw new Error(\n            'Must provide perihelion distance \"q\" if eccentricity \"e\" is greater than 1',\n          );\n        }\n        q = a! * (1.0 - e!);\n        this.set('q', q);\n      }\n    } else if (isDef(q)) {\n      a = q! / (1.0 - e!);\n      this.set('a', a);\n    } else {\n      throw new Error(\n        'Must define semimajor axis \"a\" or perihelion distance \"q\" in an orbit',\n      );\n    }\n\n    // Longitude/Argument of Perihelion and Long. of Ascending Node\n    let w = this.getUnsafe('w');\n    let wBar = this.getUnsafe('wBar');\n    let om = this.getUnsafe('om');\n    if (isDef(w) && isDef(om) && !isDef(wBar)) {\n      wBar = w! + om!;\n      this.set('wBar', wBar);\n    } else if (isDef(wBar) && isDef(om) && !isDef(w)) {\n      w = wBar! - om!;\n      this.set('w', w);\n    } else if (isDef(w) && isDef(wBar) && !isDef(om)) {\n      om = wBar! - w!;\n      this.set('om', om);\n    }\n\n    // Mean motion and period\n    const aMeters = a! * METERS_IN_AU;\n    const n = this.getUnsafe('n');\n    const GM = this.getUnsafe('GM');\n    let period = this.getUnsafe('period');\n\n    if (!isDef(period) && isDef(a)) {\n      if (!isDef(GM)) {\n        throw new Error('Expected ephemeris attribute GM to be set');\n      }\n      period =\n        (2 * Math.PI * Math.sqrt((aMeters * aMeters * aMeters) / GM!)) /\n        SECONDS_IN_DAY;\n      this.set('period', period);\n    }\n\n    if (e! < 1.0) {\n      // Only work with mean motion for elliptical orbits.\n      if (isDef(period) && !isDef(n)) {\n        // Set radians\n        const newN = (2.0 * Math.PI) / period!;\n        this.set('n', newN);\n      } else if (isDef(n) && !isDef(period)) {\n        this.set('period', (2.0 * Math.PI) / n!);\n      }\n    }\n\n    // Mean longitude\n    const ma = this.getUnsafe('ma');\n    let L = this.getUnsafe('L');\n    if (!isDef(L) && isDef(om) && isDef(w) && isDef(ma)) {\n      L = om! + w! + ma!;\n      this.set('L', L);\n    }\n\n    // Mean anomaly\n    if (!isDef(ma)) {\n      // MA = Mean longitude - Longitude of perihelion\n      this.set('ma', L! - wBar!);\n    }\n\n    //  TODO(ian): Handle no om\n  }\n\n  /**\n   * Make this ephem object immutable.\n   */\n  lock() {\n    this.locked = true;\n  }\n\n  copy(): Ephem {\n    return new Ephem(\n      {\n        GM: this.getUnsafe('GM'),\n        epoch: this.getUnsafe('epoch'),\n        a: this.getUnsafe('a'),\n        e: this.getUnsafe('e'),\n        i: this.getUnsafe('i'),\n        om: this.getUnsafe('om'),\n        ma: this.getUnsafe('ma'),\n        w: this.getUnsafe('w'),\n      },\n      'rad',\n    );\n  }\n}\n", "/**\n * Interpolates the given 2D array of data using a Lagrange Polynomial interpolation. User specifies first/last row\n * versus giving a number of sample points and a starting index. For best performance number of points generally would\n * be between 1 (linear) and 7\n *\n * @param {Array} data array\n * @param {Number} xValue value of x to evaluate for function y = f(x) represented by the data\n * @param {Number} sampleRowMin first row of data to use for the interpolation\n * @param {Number} sampleRowMax last row of data to use for the interpolation\n * @param {Number} xIndex the column of data which represents the 'x' variable of y = f(x)\n * @param {Number} yIndex the column of data which represents the 'y' curve data of y = f(x)\n * @returns {Number} the interpolated value of the function f(x) from the data\n */\nexport function interpolate(\n  data: number[][],\n  xValue: number,\n  sampleRowMin: number,\n  sampleRowMax: number,\n  xIndex: number,\n  yIndex: number,\n): number {\n  if (data === undefined) {\n    throw 'data object is undefined';\n  }\n\n  if (!Array.isArray(data)) {\n    throw 'data object must be an array';\n  }\n\n  if (sampleRowMin >= sampleRowMax) {\n    throw 'first row must be greater than last row';\n  }\n\n  if (sampleRowMin < 0) {\n    throw 'first row must be greater than zero';\n  }\n\n  if (sampleRowMax > data.length - 1) {\n    throw 'last row must be ';\n  }\n\n  if (!Array.isArray(data[sampleRowMin])) {\n    throw 'data in rows must be array data';\n  }\n\n  const maxColumn = data[0].length - 1;\n  if (xIndex < 0 || xIndex > maxColumn) {\n    throw `xIndex has to be between 0 and ${maxColumn}: ${xIndex}`;\n  }\n\n  if (yIndex < 0 || yIndex > maxColumn) {\n    throw `yIndex has to be between 0 and ${maxColumn}: ${yIndex}`;\n  }\n\n  let sum = 0;\n  for (let j = sampleRowMin; j <= sampleRowMax; j++) {\n    let prod = 1;\n    for (let k = sampleRowMin; k <= sampleRowMax; k++) {\n      if (k === j) {\n        continue;\n      }\n      prod *= (xValue - data[k][xIndex]) / (data[j][xIndex] - data[k][xIndex]);\n    }\n\n    sum += prod * data[j][yIndex];\n  }\n\n  return sum;\n}\n", "import * as THREE from 'three';\n\nconst DEFAULT_COMPARER_METHOD = (a: any, b: any) => {\n  return a - b;\n};\n/**\n * @ignore\n */\nexport const DEFAULT_TEXTURE_URL = '{{assets}}/sprites/fuzzyparticle.png';\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path\n * @example\n * ```\n * getFullUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullUrl(template: string, basePath: string) {\n  return template\n    .replace('{{assets}}', `${basePath}/assets`)\n    .replace('{{data}}', `${basePath}/data`);\n}\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n * @example\n * ```\n * getFullTextureUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullTextureUrl(template: string, basePath: string) {\n  return getFullUrl(template || DEFAULT_TEXTURE_URL, basePath);\n}\n\n/*\n * Returns a THREE.js texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n */\nexport function getThreeJsTexture(template: string, basePath: string) {\n  const fullTextureUrl = getFullTextureUrl(template, basePath);\n  return new THREE.TextureLoader().load(fullTextureUrl);\n}\n\nexport function getDefaultBasePath() {\n  return window.location.href.indexOf('localhost') > -1\n    ? '/src/'\n    : 'https://typpo.github.io/spacekit/src';\n}\n\n/**\n * Performs a standard binary search on an array of values returning the index of the found item or the twos complement\n * negative of the closest value if the exact value isn't found. For example for array: [10, 20, 30]\n *   * Searching for a value of 20 would return an index of 1\n *   * Searching for a value of 12 would return a value of -2 (taking the two's complement back '~' give you 1)\n * @param {Array} data an array of values of the type consistent with the comparer method\n * @param value the value to be searched for in the data array\n * @param {Function} [comparer] a function which takes two arguments: first of same type as data row and second as same\n * time as value to compare. Default method is a numerical comparison\n * @returns {number}\n */\nexport function binarySearch(\n  data: any[],\n  value: any,\n  comparer = DEFAULT_COMPARER_METHOD,\n) {\n  if (data === undefined) {\n    throw 'data object is undefined';\n  }\n\n  if (!Array.isArray(data)) {\n    throw 'data object must be an array';\n  }\n\n  if (value === undefined) {\n    throw 'value object must be defined';\n  }\n\n  if (comparer === undefined) {\n    throw 'comparer must be defined';\n  }\n\n  let left = 0;\n  let right = data.length;\n\n  while (left <= right) {\n    let middle = Math.floor((left + right) / 2);\n    if (middle === data.length) {\n      return middle;\n    }\n    let comparisonCalc = comparer(data[middle], value);\n    if (comparisonCalc < 0) {\n      left = middle + 1;\n    } else if (comparisonCalc > 0) {\n      right = middle - 1;\n    } else {\n      return middle;\n    }\n  }\n\n  return ~left;\n}\n", "import * as SpacekitMath from './Math';\nimport * as Util from './util';\n\nimport Units from './Units';\n\nimport type { Coordinate3d } from './Coordinates';\n\n/**\n * A class representing an ephemeris look-up table for defining a space object.\n */\n\n// Types\ntype InterpolationType = 'lagrange';\ntype EphemType = 'cartesianposvel';\ntype DistanceUnits = 'au' | 'km';\ntype TimeUnits = 'day' | 'sec';\n\ninterface EphemerisTableUnits {\n  distance: DistanceUnits;\n  time: TimeUnits;\n}\n\ninterface EphemerisTableData {\n  data: number[][];\n  // TODO(ian): Add the valid strings to typing.\n  ephemerisType: EphemType;\n  distanceUnits: DistanceUnits;\n  timeUnits: TimeUnits;\n  interpolationType: InterpolationType;\n  interpolationOrder: number;\n}\n\n// Constants\nconst MAX_INTERPOLATION_ORDER = 20;\nconst INCREASING_JDATE_SEARCH_METHOD = (a: number[], b: number) => a[0] - b;\n\n// Default Values\nconst DEFAULT_UNITS: EphemerisTableUnits = {\n  distance: 'au',\n  time: 'day',\n};\n\nconst DEFAULT_EPHEM_TYPE = 'cartesianposvel';\nconst DEFAULT_INTERPOLATION_TYPE = 'lagrange';\nconst DEFAULT_INTERPOLATION_ORDER = 5;\n\n// Allowable unit types\nconst DISTANCE_UNITS = new Set(['km', 'au']);\nconst EPHEM_TYPES = new Set(['cartesianposvel']);\nconst INTERPOLATION_TYPES = new Set(['lagrange']);\nconst TIME_UNITS = new Set(['day', 'sec']);\n\n/**\n * This class encapsulates the data and necessary methods for operating with look up ephemeris data.\n * Users of the class pass in their ephemeris data as a data structure with the data and the settings for the ephemeris.\n * The settings include things like the units, and the ephemeris representation. The ephemeris data itself is an array\n * of arrays where each line constitute the necessary components of the line.\n *\n * For 'cartesianposvel' style ephemeris each line of data looks like: [Julian Date, X, Y, Z, Vx, Vy, Vz]\n */\nexport class EphemerisTable {\n  private units: EphemerisTableUnits;\n\n  private ephemType: EphemType;\n\n  private interpolationType: InterpolationType;\n\n  private interpolationOrder: number;\n\n  private data: number[][];\n\n  /**\n   * @param {Object} ephemerisData Look up ephemeris data to initialize the table with and the properties of it\n   * @param {Array.<Array.<Number>>} ephemerisData.data the ephemeris data appropriate for the specified ephemeris type\n   * @param {String} ephemerisData.ephemerisType the type of ephemeres data here (defaults to 'cartesianposvel')\n   * @param {String} ephemerisData.distanceUnits the distance units for this data (defaults to AU\n   * @param {String} ephemerisData.timeUnits the distance units for this data (defaults to day)\n   * @param {String} ephemerisData.interpolationType the type of interpolater to use (defaults to 'lagrange')\n   * @param {Number} ephemerisData.interpolationOrder the order of the interpolator to use (defaults to 5)\n   */\n  constructor(ephemerisData: EphemerisTableData) {\n    this.units = JSON.parse(JSON.stringify(DEFAULT_UNITS));\n    this.ephemType = DEFAULT_EPHEM_TYPE;\n    this.interpolationType = DEFAULT_INTERPOLATION_TYPE;\n    this.interpolationOrder = DEFAULT_INTERPOLATION_ORDER;\n\n    if (!ephemerisData) {\n      throw new Error(\n        'EphemerisTable must be initialized with an ephemeris data structure',\n      );\n    }\n\n    if (\n      !ephemerisData.data ||\n      !Array.isArray(ephemerisData.data) ||\n      ephemerisData.data.length === 0 ||\n      !Array.isArray(ephemerisData.data[0])\n    ) {\n      throw new Error(\n        'EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data',\n      );\n    }\n    this.data = JSON.parse(JSON.stringify(ephemerisData.data));\n\n    if (ephemerisData.distanceUnits) {\n      if (!DISTANCE_UNITS.has(ephemerisData.distanceUnits)) {\n        throw new Error(\n          `Unknown distance units: ${ephemerisData.distanceUnits}`,\n        );\n      }\n      this.units.distance = ephemerisData.distanceUnits;\n    }\n\n    if (ephemerisData.timeUnits) {\n      if (!TIME_UNITS.has(ephemerisData.timeUnits)) {\n        throw new Error(`Unknown time units: ${ephemerisData.timeUnits}`);\n      }\n      this.units.time = ephemerisData.timeUnits;\n    }\n\n    if (ephemerisData.ephemerisType) {\n      if (!EPHEM_TYPES.has(ephemerisData.ephemerisType)) {\n        throw new Error(\n          `Unknown ephemeris type: ${ephemerisData.ephemerisType}`,\n        );\n      }\n      this.ephemType = ephemerisData.ephemerisType;\n    }\n\n    if (ephemerisData.interpolationType) {\n      if (!INTERPOLATION_TYPES.has(ephemerisData.interpolationType)) {\n        throw new Error(\n          `Unknown interpolation type: ${ephemerisData.interpolationType}`,\n        );\n      }\n      this.interpolationType = ephemerisData.interpolationType;\n    }\n\n    if (ephemerisData.interpolationOrder !== undefined) {\n      if (\n        ephemerisData.interpolationOrder < 1 ||\n        ephemerisData.interpolationOrder > MAX_INTERPOLATION_ORDER\n      ) {\n        throw new Error(\n          `Interpolation order must be >0 and <${MAX_INTERPOLATION_ORDER}: ${ephemerisData.interpolationOrder}`,\n        );\n      }\n      this.interpolationOrder = ephemerisData.interpolationOrder;\n    }\n\n    if (\n      this.units.distance !== DEFAULT_UNITS.distance ||\n      this.units.time !== DEFAULT_UNITS.time\n    ) {\n      const distanceMultiplier = this.calcDistanceMultiplier(\n        this.units.distance,\n      );\n      const timeMultiplier = this.calcTimeMultiplier(this.units.time);\n      this.data.forEach((line) => {\n        line[1] *= distanceMultiplier;\n        line[2] *= distanceMultiplier;\n        line[3] *= distanceMultiplier;\n        line[4] *= distanceMultiplier * timeMultiplier;\n        line[5] *= distanceMultiplier * timeMultiplier;\n        line[6] *= distanceMultiplier * timeMultiplier;\n      });\n    }\n  }\n\n  /**\n   * Calculates the interpolated position for the given requested date. If the requested date is before the first\n   * point it returns the first point. If the requested date is after the last point it returns the last point.\n   * @param {Number} jd of the requested time\n   * @returns {Number[]|*[]} x, y, z position in the ephemeris table's reference frame\n   */\n  getPositionAtTime(jd: number): Coordinate3d {\n    if (jd <= this.data[0][0]) {\n      return [this.data[0][1], this.data[0][2], this.data[0][3]];\n    }\n\n    const last = this.data[this.data.length - 1];\n    if (jd >= last[0]) {\n      return [last[1], last[2], last[3]];\n    }\n\n    const { startIndex, stopIndex } = this.calcBoundingIndices(jd);\n    const x = SpacekitMath.interpolate(\n      this.data,\n      jd,\n      startIndex,\n      stopIndex,\n      0,\n      1,\n    );\n    const y = SpacekitMath.interpolate(\n      this.data,\n      jd,\n      startIndex,\n      stopIndex,\n      0,\n      2,\n    );\n    const z = SpacekitMath.interpolate(\n      this.data,\n      jd,\n      startIndex,\n      stopIndex,\n      0,\n      3,\n    );\n\n    return [x, y, z];\n  }\n\n  /**\n   * Given the start and stop time returns a uniform ephemeris history.\n   * @param {Number} startJd the requested start date\n   * @param {Number} stopJd the requested stop date\n   * @param {Number} stepDays the step size of the data requested in days (can be fractional days)\n   * @returns {number[][]}\n   */\n  getPositions(\n    startJd: number,\n    stopJd: number,\n    stepDays: number,\n  ): Coordinate3d[] {\n    if (startJd > stopJd) {\n      throw new Error(`Requested start needs to be after requested stop`);\n    }\n\n    if (stepDays <= 0.0) {\n      throw new Error('Step days needs to be greater than zero');\n    }\n\n    const result: Coordinate3d[] = [];\n    for (let t = startJd; t <= stopJd; t += stepDays) {\n      result.push(this.getPositionAtTime(t));\n    }\n\n    return result;\n  }\n\n  /**\n   * @private\n   */\n  private calcDistanceMultiplier(unitType: DistanceUnits): number {\n    switch (unitType) {\n      case 'au':\n        return 1.0;\n      case 'km':\n        return Units.kmToAu(1);\n      default:\n        throw new Error('Unknown distance unit type: ' + unitType);\n    }\n  }\n\n  /**\n   * @private\n   */\n  private calcTimeMultiplier(unitType: TimeUnits): number {\n    switch (unitType) {\n      case 'day':\n        return 1.0;\n      case 'sec':\n        return 1 / 86400.0;\n      default:\n        throw new Error('Unknown time unit type: ' + unitType);\n    }\n  }\n\n  /**\n   * @private\n   */\n  private calcBoundingIndices(jd: number): {\n    startIndex: number;\n    stopIndex: number;\n  } {\n    const halfSampleSize = Math.floor(this.interpolationOrder / 2);\n    let closestIndex = Util.binarySearch(\n      this.data,\n      jd,\n      INCREASING_JDATE_SEARCH_METHOD,\n    );\n    if (closestIndex < 0) {\n      closestIndex = ~closestIndex - 1;\n    }\n    let startIndex = closestIndex - halfSampleSize;\n    if (startIndex < 0) {\n      startIndex = 0;\n    }\n\n    let stopIndex = startIndex + Number(this.interpolationOrder);\n    if (stopIndex >= this.data.length) {\n      stopIndex = this.data.length - 1;\n      if (this.data.length > halfSampleSize) {\n        startIndex = stopIndex - halfSampleSize;\n      }\n    }\n\n    return { startIndex: startIndex, stopIndex: stopIndex };\n  }\n}\n", "import Units from './Units';\nimport { Ephem, GM } from './Ephem';\nimport { getFullUrl } from './util';\n\nimport type { Simulation, SimulationContext } from './Simulation';\n\n/**\n * A dictionary containing ephemerides of planets and other well-known objects.\n * @example\n * ```\n * const planet1 = viz.createObject('planet1', {\n *   ephem: EphemPresets.MERCURY,\n * });\n * ```\n */\nexport const EphemPresets: {\n  MERCURY: Ephem;\n  VENUS: Ephem;\n  EARTH: Ephem;\n  MOON: Ephem;\n  MARS: Ephem;\n  JUPITER: Ephem;\n  SATURN: Ephem;\n  URANUS: Ephem;\n  NEPTUNE: Ephem;\n  PLUTO: Ephem;\n} = {\n  // See https://ssd.jpl.nasa.gov/?planet_pos and https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n  MERCURY: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 3.870968969437096e-1,\n      e: 2.056515875393916e-1,\n      i: 7.003891682749818,\n      om: 4.830774804443502e1,\n      w: 2.917940253442659e1,\n      ma: 2.56190975209273e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  VENUS: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 7.233458663591554e-1,\n      e: 6.762510759617694e-3,\n      i: 3.394567787211735,\n      om: 7.662534150657346e1,\n      w: 5.474567447560867e1,\n      ma: 2.756687596099721e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  EARTH: new Ephem(\n    {\n      // Taken from https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html\n      /*\n    epoch: 2451545.0,\n    a: 1.00000011,\n    e: 0.01671022,\n    i: 0.00005,\n    om: -11.26064,\n    wBar: 102.94719,\n    L: 100.46435,\n    */\n\n      // https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n      epoch: 2451545.0,\n      a: 1.00000261,\n      e: 0.01671123,\n      i: -0.00001531,\n      om: 0.0,\n      wBar: 102.93768193,\n      L: 100.46457166,\n\n      /*\n      epoch: 2458426.500000000,\n      a: 1.000618919441359E+00,\n      e: 1.676780871638673E-02,\n      i: 0,\n      om: 1.888900932218542E+02,\n      w: 2.718307282052625E+02,\n      ma: 3.021792498388233E+02,\n     */\n    },\n    'deg',\n    true /* locked */,\n  ),\n  MOON: new Ephem(\n    {\n      // https://nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html\n      GM: 0.3986e6,\n\n      // Geocentric\n      // https://ssd.jpl.nasa.gov/horizons.cgi#results\n      epoch: 2458621.5,\n      a: 2.582517063772124e-3,\n      e: 4.582543645168888e-2,\n      i: 5.102060246928811,\n      om: 1.085916732144811e2,\n      w: 6.180561793729225e1,\n      ma: 5.053270083636792e1,\n      /*\n     * heliocentric\n    epoch: 2458621.500000000,\n    a: 1.078855621785179E+00,\n    e: 6.333300212090676E-02,\n    i: 7.211217382317713E-02,\n    om: 6.722057157026397E+01,\n    w: 1.503642883585293E+02,\n    ma: 1.666758688084831E+01,\n   */\n    },\n    'deg',\n    true /* locked */,\n  ),\n  MARS: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 1.52371401537107,\n      e: 9.336741335309606e-2,\n      i: 1.848141099825311,\n      om: 4.950420572080223e1,\n      w: 2.866965847685386e2,\n      ma: 2.538237617924876e1,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  JUPITER: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 5.20180355911023,\n      e: 4.89912558249006e-2,\n      i: 1.303560894624275,\n      om: 1.005203828847816e2,\n      w: 2.73736301845404e2,\n      ma: 2.31939544389401e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  SATURN: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 9.577177295536776,\n      e: 5.101889921719987e-2,\n      i: 2.482782449972317,\n      om: 1.136154964073247e2,\n      w: 3.394422648650336e2,\n      ma: 1.870970898012944e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  URANUS: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 1.914496966635462e1,\n      e: 4.832662948112808e-2,\n      i: 7.697511134483724e-1,\n      om: 7.414239045667875e1,\n      w: 9.942704504702185e1,\n      ma: 2.202603033874267e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  NEPTUNE: new Ephem(\n    {\n      epoch: 2458426.5,\n      a: 3.00962226342805e1,\n      e: 7.36257118719377e-3,\n      i: 1.774569249829094,\n      om: 1.318695882492132e2,\n      w: 2.586226409499831e2,\n      ma: 3.152804988924479e2,\n    },\n    'deg',\n    true /* locked */,\n  ),\n  PLUTO: new Ephem(\n    {\n      epoch: 2454000.5,\n      a: 39.4450697257,\n      e: 0.250248713478,\n      i: 17.0890009196,\n      om: 110.376957955,\n      w: 112.597141677,\n      ma: 25.2471897122,\n    },\n    'deg',\n    true /* locked */,\n  ),\n};\n\ninterface NaturalSatelliteRecord {\n  Planet: string;\n  'Epoch String': string;\n  'Epoch JD': number;\n  'Element Type': string;\n  'Sat.': string;\n  tags: string;\n  a: number | string;\n  e: number | string;\n  w: number | string;\n  M: number | string;\n  i: number | string;\n  node: number | string;\n  n: number | string;\n  P: number | string;\n  Pw: number | string;\n  Pnode: number | string;\n  RA: number | string;\n  Dec: number | string | null;\n  Tilt: number | string | null;\n  Ref: string;\n}\n\n/**\n * A class for fetching orbital elements of natural satellites in our solar\n * system.\n */\nexport class NaturalSatellites {\n  private _simulation: Simulation;\n\n  private _context: SimulationContext;\n\n  private _satellitesByPlanet: Record<\n    string,\n    {\n      name: string;\n      elementType: string;\n      tags: Set<string>;\n      ephem: Ephem;\n    }[]\n  >;\n\n  private _readyPromise: Promise<NaturalSatellites>;\n\n  constructor(simulation: Simulation) {\n    this._simulation = simulation;\n    this._context = simulation.getContext();\n\n    this._satellitesByPlanet = {};\n    const dataUrl = getFullUrl(\n      '{{data}}/processed/natural-satellites.json',\n      this._context.options.basePath,\n    );\n\n    this._readyPromise = new Promise((resolve, reject) => {\n      fetch(dataUrl)\n        .then((resp) => resp.json())\n        .then((moons) => {\n          moons.forEach((moon: NaturalSatelliteRecord) => {\n            const planetName = moon.Planet.toLowerCase();\n            if (!this._satellitesByPlanet[planetName]) {\n              this._satellitesByPlanet[planetName] = [];\n            }\n\n            let ephemType;\n            switch (moon['Element Type']) {\n              case 'Ecliptic':\n                // Don't have to do anything\n                break;\n              case 'Equatorial':\n                // TODO(ian): Convert equatorial coords\n                ephemType = 'equatorial';\n                /*\n                throw new Error(\n                  `Ephemeris type not yet implemented: ${ephemType}`,\n                );\n                 */\n                break;\n              case 'Laplace':\n                // TODO(ian): Convert laplace coords\n                ephemType = 'equatorial';\n                /*\n                throw new Error(\n                  `Ephemeris type not yet implemented: ${ephemType}`,\n                );\n                 */\n                break;\n              default:\n                console.warn(\n                  `Ephemeris type not yet implemented: ${ephemType}`,\n                );\n                return;\n            }\n\n            let ephemGM;\n            switch (moon.Planet) {\n              case 'Earth':\n                ephemGM = GM.EARTH_MOON;\n                break;\n              case 'Pluto':\n                ephemGM = GM.PLUTO_CHARON;\n                break;\n              default:\n                ephemGM = GM[moon.Planet.toUpperCase() as keyof typeof GM];\n            }\n            if (!ephemGM) {\n              console.error(`Could not look up GM for ${moon.Planet}`);\n            }\n\n            const ephem = new Ephem(\n              {\n                GM: ephemGM,\n                epoch: Number(moon['Epoch JD']),\n                a: Units.kmToAu(Number(moon.a)),\n                e: Number(moon.e),\n                i: Number(moon.i),\n                w: Number(moon.w),\n                om: Number(moon.node),\n                ma: Number(moon.M),\n              },\n              'deg',\n              true /* locked */,\n            );\n\n            this._satellitesByPlanet[planetName].push({\n              name: moon['Sat.'],\n              elementType: moon['Element Type'],\n              tags: new Set(moon['tags'].split(',')),\n              ephem,\n            });\n          });\n          console.info('Loaded', moons.length, 'natural satellites');\n          resolve(this);\n        })\n        .catch((err) => {\n          reject(err);\n        });\n    });\n  }\n\n  /**\n   * Get a list of satellites and their orbital elements for a given planet.\n   * @param {String} planetName Name of a planet, e.g. \"Jupiter\"\n   * @return {Object} List containing a list of dictionaries with information\n   * on each satellite.\n   */\n  getSatellitesForPlanet(planetName: string) {\n    return this._satellitesByPlanet[planetName.toLowerCase()];\n  }\n\n  load(): Promise<NaturalSatellites> {\n    return this._readyPromise;\n  }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\n\nimport { Ephem } from './Ephem';\nimport { EphemerisTable } from './EphemerisTable';\nimport { rescaleArray, rescaleXYZ } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\nimport type { LineBasicMaterial } from 'three';\n\nexport enum OrbitType {\n  UNKNOWN = 0,\n  PARABOLIC = 1,\n  HYPERBOLIC = 2,\n  ELLIPTICAL = 3,\n  TABLE = 4,\n}\n\ninterface OrbitOptions {\n  color?: number;\n  eclipticLineColor?: number;\n  orbitPathSettings?: {\n    leadDurationYears?: number;\n    trailDurationYears?: number;\n    numberSamplePoints?: number;\n  };\n}\n\nconst { sin, cos, sqrt } = Math;\n\nconst DEFAULT_LEAD_TRAIL_YEARS = 10;\nconst DEFAULT_SAMPLE_POINTS = 360;\nconst DEFAULT_ORBIT_PATH_SETTINGS = {\n  leadDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n  trailDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n  numberSamplePoints: DEFAULT_SAMPLE_POINTS,\n};\n\n/**\n * Special cube root function that assumes input is always positive.\n */\nfunction cbrt(x: number) {\n  return Math.exp(Math.log(x) / 3.0);\n}\n\n/**\n * A class that builds a visual representation of a Kepler orbit.\n * @example\n * ```\n * const orbit = new Spacekit.Orbit({\n *   ephem: new Spacekit.Ephem({...}),\n *   options: {\n *     color: 0xFFFFFF,\n *     eclipticLineColor: 0xCCCCCC,\n *   },\n * });\n * ```\n */\nexport class Orbit {\n  private ephem: Ephem | EphemerisTable;\n\n  private options: OrbitOptions;\n\n  private orbitPoints?: THREE.Vector3[];\n\n  private eclipticDropLines?: THREE.LineSegments;\n\n  private orbitShape?: THREE.Line;\n\n  private orbitStart: number;\n\n  private orbitStop: number;\n\n  private orbitType: OrbitType;\n\n  /**\n   * @param {(Ephem | EphemerisTable)} ephem The ephemeris that define this orbit.\n   * @param {Object} options\n   * @param {Number} options.color The color of the orbital ellipse.\n   * @param {Number} options.eclipticLineColor The color of lines drawn\n   * @param {Object} options.orbitPathSettings settings for the path\n   * @param {Number} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n   * @param {Number} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n   * @param {Number} options.orbitPathSettings.numberSamplePoints number of\n   * points to use when drawing the orbit line. Only applicable for\n   * non-elliptical and ephemeris table orbits.  perpendicular to the ecliptic\n   * in order to illustrate depth (defaults to 0x333333).\n   */\n  constructor(ephem: Ephem | EphemerisTable, options: OrbitOptions) {\n    /**\n     * Ephem object\n     * @type {(Ephem | EphemerisTable)}\n     */\n    this.ephem = ephem;\n\n    /**\n     * Options (see class definition for details)\n     */\n    this.options = options || {};\n\n    /**\n     * configuring orbit path lead/trail data\n     */\n    if (!this.options.orbitPathSettings) {\n      this.options.orbitPathSettings = JSON.parse(\n        JSON.stringify(DEFAULT_ORBIT_PATH_SETTINGS),\n      );\n    }\n\n    if (!this.options.orbitPathSettings?.leadDurationYears) {\n      this.options.orbitPathSettings!.leadDurationYears =\n        DEFAULT_LEAD_TRAIL_YEARS;\n    }\n\n    if (!this.options.orbitPathSettings?.trailDurationYears) {\n      this.options.orbitPathSettings!.trailDurationYears =\n        DEFAULT_LEAD_TRAIL_YEARS;\n    }\n\n    if (!this.options.orbitPathSettings?.numberSamplePoints) {\n      this.options.orbitPathSettings!.numberSamplePoints =\n        DEFAULT_SAMPLE_POINTS;\n    }\n\n    /**\n     * Cached orbital points.\n     * @type {Array.<THREE.BufferGeometry>}\n     */\n    this.orbitPoints = undefined;\n\n    /**\n     * Cached ecliptic drop lines.\n     * @type {Array.<THREE.LineSegments>}\n     */\n    this.eclipticDropLines = undefined;\n\n    /**\n     * Cached orbit shape.\n     * @type {THREE.Line}\n     */\n    this.orbitShape = undefined;\n\n    /**\n     * Time span of the drawn orbit line\n     */\n    this.orbitStart = 0;\n    this.orbitStop = 0;\n\n    /**\n     * Orbit type\n     * @type {OrbitType}\n     */\n    this.orbitType = Orbit.getOrbitType(this.ephem);\n  }\n\n  /**\n   * Get heliocentric position of object at a given JD.\n   * @param {Number} jd Date value in JD.\n   * @param {boolean} debug Set true for debug output.\n   * @return {Array.<Number>} [X, Y, Z] coordinates\n   */\n  getPositionAtTime(jd: number, debug: boolean = false): Coordinate3d {\n    // Note: logic below must match the vertex shader.\n\n    // This position calculation is used to create orbital ellipses.\n    switch (this.orbitType) {\n      case OrbitType.PARABOLIC:\n        return this.getPositionAtTimeNearParabolic(jd, debug);\n      case OrbitType.HYPERBOLIC:\n        return this.getPositionAtTimeHyperbolic(jd, debug);\n      case OrbitType.ELLIPTICAL:\n        return this.getPositionAtTimeElliptical(jd, debug);\n      case OrbitType.TABLE:\n        return this.getPositionAtTimeTable(jd, debug);\n      default:\n        throw new Error('No handler for this type of orbit');\n    }\n  }\n\n  getPositionAtTimeParabolic(jd: number, debug: boolean = false): Coordinate3d {\n    // See https://stjarnhimlen.se/comp/ppcomp.html#17\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // The Guassian gravitational constant\n    const k = 0.01720209895;\n\n    // Perihelion distance\n    const q = eph.get('q');\n\n    // Compute time since perihelion\n    const d = jd - eph.get('tp');\n\n    const H = (d * (k / sqrt(2))) / sqrt(q * q * q);\n    const h = 1.5 * H;\n    const g = sqrt(1.0 + h * h);\n    const s = cbrt(g + h) - cbrt(g - h);\n\n    // True anomaly\n    const v = 2.0 * Math.atan(s);\n    // Heliocentric distance\n    const r = q * (1.0 + s * s);\n\n    return this.vectorToHeliocentric(v, r);\n  }\n\n  getPositionAtTimeNearParabolic(\n    jd: number,\n    debug: boolean = false,\n  ): Coordinate3d {\n    // See https://stjarnhimlen.se/comp/ppcomp.html#17\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // The Guassian gravitational constant\n    const k = 0.01720209895;\n\n    // Eccentricity\n    const e = eph.get('e');\n\n    // Perihelion distance\n    const q = eph.get('q');\n\n    // Compute time since perihelion\n    const d = jd - eph.get('tp');\n\n    const a = 0.75 * d * k * sqrt((1 + e) / (q * q * q));\n    const b = sqrt(1 + a * a);\n    const W = cbrt(b + a) - cbrt(b - a);\n    const f = (1 - e) / (1 + e);\n\n    const a1 = 2 / 3 + (2 / 5) * W * W;\n    const a2 = 7 / 5 + (33 / 35) * W * W + (37 / 175) * W ** 4;\n    const a3 =\n      W * W * (432 / 175 + (956 / 1125) * W * W + (84 / 1575) * W ** 4);\n\n    const C = (W * W) / (1 + W * W);\n    const g = f * C * C;\n    const w = W * (1 + f * C * (a1 + a2 * g + a3 * g * g));\n\n    // True anomaly\n    const v = 2 * Math.atan(w);\n    // Heliocentric distance\n    const r = (q * (1 + w * w)) / (1 + w * w * f);\n\n    return this.vectorToHeliocentric(v, r);\n  }\n\n  getPositionAtTimeHyperbolic(\n    jd: number,\n    debug: boolean = false,\n  ): Coordinate3d {\n    // See https://stjarnhimlen.se/comp/ppcomp.html#17\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // Eccentricity\n    const e = eph.get('e');\n\n    // Semimajor axis\n    const a = eph.get('a');\n\n    // Mean anomaly\n    const ma = eph.get('ma');\n\n    // Calculate mean anomaly at jd\n    const n = eph.get('n', 'rad');\n    const epoch = eph.get('epoch');\n    const d = jd - epoch;\n\n    const M = ma + n * d;\n\n    let F0 = M;\n    for (let count = 0; count < 100; count++) {\n      const F1 =\n        (M + e * (F0 * Math.cosh(F0) - Math.sinh(F0))) /\n        (e * Math.cosh(F0) - 1);\n      const lastdiff = Math.abs(F1 - F0);\n      F0 = F1;\n\n      if (lastdiff < 0.0000001) {\n        break;\n      }\n    }\n    const F = F0;\n\n    const v = 2 * Math.atan(sqrt((e + 1) / (e - 1))) * Math.tanh(F / 2);\n    const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n    return this.vectorToHeliocentric(v, r);\n  }\n\n  getPositionAtTimeElliptical(\n    jd: number,\n    debug: boolean = false,\n  ): Coordinate3d {\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // Eccentricity\n    const e = eph.get('e');\n\n    // Mean anomaly\n    const ma = eph.get('ma', 'rad');\n\n    // Calculate mean anomaly at jd\n    const n = eph.get('n', 'rad');\n    const epoch = eph.get('epoch');\n    const d = jd - epoch;\n\n    const M = ma + n * d;\n    if (debug) {\n      console.info('period=', eph.get('period'));\n      console.info('n=', n);\n      console.info('ma=', ma);\n      console.info('d=', d);\n      console.info('M=', M);\n    }\n\n    // Estimate eccentric and true anom using iterative approx\n    let E0 = M;\n    for (let count = 0; count < 100; count++) {\n      const E1 = M + e * sin(E0);\n      const lastdiff = Math.abs(E1 - E0);\n      E0 = E1;\n\n      if (lastdiff < 0.0000001) {\n        break;\n      }\n    }\n    const E = E0;\n    const v = 2 * Math.atan(sqrt((1 + e) / (1 - e)) * Math.tan(E / 2));\n\n    // Radius vector, in AU\n    const a = eph.get('a');\n    const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n    return this.vectorToHeliocentric(v, r);\n  }\n\n  getPositionAtTimeTable(jd: number, debug: boolean = false): Coordinate3d {\n    if (this.ephem instanceof EphemerisTable) {\n      const point = this.ephem.getPositionAtTime(jd);\n      return rescaleXYZ(point[0], point[1], point[2]);\n    }\n    throw new Error('Attempted to read ephemeris table of non-table data');\n  }\n\n  /**\n   * Given true anomaly and heliocentric distance, returns the scaled heliocentric coordinates (X, Y, Z)\n   * @param {Number} v True anomaly\n   * @param {Number} r Heliocentric distance\n   * @return {Array.<Number>} Heliocentric coordinates\n   */\n  vectorToHeliocentric(v: number, r: number): Coordinate3d {\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    // Inclination, Longitude of ascending node, Longitude of perihelion\n    const i = eph.get('i', 'rad');\n    const o = eph.get('om', 'rad');\n    const p = eph.get('wBar', 'rad');\n\n    // Heliocentric coords\n    const X = r * (cos(o) * cos(v + p - o) - sin(o) * sin(v + p - o) * cos(i));\n    const Y = r * (sin(o) * cos(v + p - o) + cos(o) * sin(v + p - o) * cos(i));\n    const Z = r * (sin(v + p - o) * sin(i));\n\n    return rescaleXYZ(X, Y, Z);\n  }\n\n  /**\n   * Returns whether the requested epoch is within the current orbit's\n   * definition. Used only for ephemeris tables.\n   * @param {Number} jd\n   * @return {boolean} true if it is within the orbit span, false if not\n   */\n  needsUpdateForTime(jd: number): boolean {\n    if (this.orbitType === OrbitType.TABLE) {\n      return jd < this.orbitStart || jd > this.orbitStop;\n    }\n    // Renderings for other types are static.\n    return false;\n  }\n\n  /**\n   * Calculates, caches, and returns the orbit state for this orbit around this time\n   * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris)\n   * @param {boolean} forceCompute forces the recomputing of the orbit on this call\n   * @return {THREE.Line}\n   */\n  getOrbitShape(jd?: number, forceCompute = false): THREE.Line {\n    if (forceCompute) {\n      if (this.orbitShape) {\n        this.orbitShape.geometry.dispose();\n        (this.orbitShape.material as LineBasicMaterial).dispose();\n      }\n\n      this.orbitShape = undefined;\n      this.orbitPoints = undefined;\n\n      if (this.eclipticDropLines) {\n        this.eclipticDropLines.geometry.dispose();\n        (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n      }\n      this.eclipticDropLines = undefined;\n    }\n\n    if (this.orbitShape) {\n      // Orbit shape is already computed.\n      return this.orbitShape;\n    }\n\n    if (this.orbitType === OrbitType.ELLIPTICAL) {\n      return this.getEllipse();\n    }\n\n    // Decide on a time range to draw orbits.\n    // TODO(ian): Should we compute around current position, not time of perihelion?\n    let tp;\n    if (this.ephem instanceof EphemerisTable) {\n      tp = jd;\n    } else {\n      tp = this.ephem.getUnsafe('tp');\n    }\n    // Use current date as a fallback if time of perihelion is not available.\n    const centerDate = tp ? tp : julian.toJulianDay(new Date());\n    const startJd =\n      centerDate - this.options.orbitPathSettings!.trailDurationYears! * 365.25;\n    const endJd =\n      centerDate + this.options.orbitPathSettings!.leadDurationYears! * 365.25;\n    const step =\n      (endJd - startJd) / this.options.orbitPathSettings!.numberSamplePoints!;\n\n    this.orbitStart = startJd;\n    this.orbitStop = endJd;\n\n    switch (this.orbitType) {\n      case OrbitType.HYPERBOLIC:\n        return this.getLine(\n          this.getPositionAtTimeHyperbolic.bind(this),\n          startJd,\n          endJd,\n          step,\n        );\n      case OrbitType.PARABOLIC:\n        return this.getLine(\n          this.getPositionAtTimeNearParabolic.bind(this),\n          startJd,\n          endJd,\n          step,\n        );\n      case OrbitType.TABLE:\n        return this.getTableOrbit(startJd, endJd, step);\n      default:\n        throw new Error('Unknown orbit shape');\n    }\n  }\n\n  /**\n   * Compute a line between a given date range.\n   * @private\n   */\n  private getLine(\n    orbitFn: (jd: number) => Coordinate3d,\n    startJd: number,\n    endJd: number,\n    step: number,\n  ) {\n    const points: THREE.Vector3[] = [];\n    for (let jd = startJd; jd <= endJd; jd += step) {\n      const pos = orbitFn(jd);\n      points.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n    }\n    return this.generateAndCacheOrbitShape(points);\n  }\n\n  /**\n   * Returns the orbit for a table lookup orbit definition\n   * @private\n   * @param {Number} startJd start of orbit in JDate format\n   * @param {Number} stopJd end of orbit in JDate format\n   * @param {Number} step step size in days\n   * @return {THREE.Line}\n   */\n  private getTableOrbit(\n    startJd: number,\n    stopJd: number,\n    step: number,\n  ): THREE.Line {\n    if (this.ephem instanceof Ephem) {\n      throw new Error(\n        'Attempted to compute table orbit on non-table ephemeris',\n      );\n    }\n    const rawPoints = this.ephem.getPositions(startJd, stopJd, step);\n    const points = rawPoints\n      .map((values) => rescaleArray(values))\n      .map((values) => new THREE.Vector3(values[0], values[1], values[2]));\n\n    return this.generateAndCacheOrbitShape(points);\n  }\n\n  /**\n   * @private\n   * @return {THREE.Line} The ellipse object that represents this orbit.\n   */\n  private getEllipse() {\n    const points = this.getEllipsePoints();\n    return this.generateAndCacheOrbitShape(points);\n  }\n\n  /**\n   * @private\n   * @return {THREE.Vector3[]} A THREE.js geometry\n   */\n  private getEllipsePoints(): THREE.Vector3[] {\n    const eph = this.ephem;\n    if (eph instanceof EphemerisTable) {\n      throw new Error('Attempted to compute coordinates from ephemeris table');\n    }\n\n    const a = eph.get('a');\n    const ecc = eph.get('e');\n\n    const twoPi = Math.PI * 2;\n    const step = twoPi / 90;\n    const pts = [];\n    for (let E = 0; E < twoPi; E += step) {\n      const v = 2 * Math.atan(sqrt((1 + ecc) / (1 - ecc)) * Math.tan(E / 2));\n      const r = (a * (1 - ecc * ecc)) / (1 + ecc * cos(v));\n      const pos = this.vectorToHeliocentric(v, r);\n\n      if (isNaN(pos[0]) || isNaN(pos[1]) || isNaN(pos[2])) {\n        console.error(\n          'NaN position value - you may have bad or incomplete data in the following ephemeris:',\n        );\n        console.error(eph);\n      }\n      pts.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n    }\n    pts.push(pts[0]);\n    return pts;\n  }\n\n  /**\n   * @private\n   * @return {THREE.Line} Line object\n   */\n  private generateAndCacheOrbitShape(\n    pointVectors: THREE.Vector3[],\n  ): THREE.Line {\n    this.orbitPoints = pointVectors;\n    this.orbitShape = new THREE.Line(\n      new THREE.BufferGeometry().setFromPoints(pointVectors),\n      new THREE.LineBasicMaterial({\n        color: new THREE.Color(this.options.color || 0x444444),\n      }),\n    );\n    return this.orbitShape;\n  }\n\n  /**\n   * A geometry containing line segments that run between the orbit ellipse and\n   * the ecliptic plane of the solar system. This is a useful visual effect\n   * that makes it easy to tell when an orbit goes below or above the ecliptic\n   * plane.\n   * @return {THREE.LineSegments} A geometry with many line segments.\n   */\n  getLinesToEcliptic(): THREE.LineSegments {\n    if (this.eclipticDropLines) {\n      return this.eclipticDropLines;\n    }\n\n    if (!this.orbitPoints) {\n      // Generate the orbitPoints cache.\n      this.getOrbitShape();\n    }\n\n    // Place a cap on visible lines, for large or highly inclined orbits.\n    const points = this.orbitPoints || [];\n    let filteredPoints: THREE.Vector3[] = [];\n    points.forEach((vertex, idx) => {\n      // Drop last point because it's a repeat of the first point.\n      if (\n        idx === points.length - 1 &&\n        this.orbitType === OrbitType.ELLIPTICAL\n      ) {\n        return;\n      }\n      filteredPoints.push(vertex);\n      filteredPoints.push(new THREE.Vector3(vertex.x, vertex.y, 0));\n    });\n    const geometry = new THREE.BufferGeometry().setFromPoints(filteredPoints);\n\n    this.eclipticDropLines = new THREE.LineSegments(\n      geometry,\n      new THREE.LineBasicMaterial({\n        color: this.options.eclipticLineColor || 0x333333,\n        blending: THREE.AdditiveBlending,\n      }),\n    );\n\n    return this.eclipticDropLines;\n  }\n\n  /**\n   * Get the color of this orbit.\n   * @return {Number} The hexadecimal color of the orbital ellipse.\n   */\n  getHexColor(): number {\n    return (this.getOrbitShape().material as LineBasicMaterial).color.getHex();\n  }\n\n  /**\n   * @param {Number} hexVal The hexadecimal color of the orbital ellipse.\n   */\n  setHexColor(hexVal: number) {\n    (this.getOrbitShape().material as LineBasicMaterial).color =\n      new THREE.Color(hexVal);\n  }\n\n  /**\n   * Get the visibility of this orbit.\n   * @return {boolean} Whether the orbital ellipse is visible. Note that\n   * although the ellipse may not be visible, it is still present in the\n   * underlying Scene and Simultation.\n   */\n  getVisibility(): boolean {\n    return this.getOrbitShape().visible;\n  }\n\n  /**\n   * Change the visibility of this orbit.\n   * @param {boolean} val Whether to show the orbital ellipse.\n   */\n  setVisibility(val: boolean) {\n    this.getOrbitShape().visible = val;\n  }\n\n  /**\n   * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC,\n   * ELLIPTICAL, or UNKNOWN.\n   * @param {(Ephem | EphemerisTable)} Ephemeris\n   * @return {OrbitType} Name of orbit type\n   */\n  static getOrbitType(ephem: Ephem | EphemerisTable): OrbitType {\n    if (ephem instanceof EphemerisTable) {\n      return OrbitType.TABLE;\n    }\n\n    const e = ephem.get('e');\n    if (e > 0.9 && e < 1.2) {\n      return OrbitType.PARABOLIC;\n    }\n    if (e > 1.2) {\n      return OrbitType.HYPERBOLIC;\n    }\n    return OrbitType.ELLIPTICAL;\n  }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\nimport Stats from 'three/examples/jsm/libs/stats.module';\nimport {\n  BloomEffect,\n  EffectComposer,\n  EffectPass,\n  RenderPass,\n  // @ts-ignore\n} from 'postprocessing';\n\nimport type { Scene, Object3D, Vector3, WebGL1Renderer } from 'three';\n\nimport Camera from './Camera';\nimport { KeplerParticles } from './KeplerParticles';\nimport { NaturalSatellites } from './EphemPresets';\nimport { ShapeObject } from './ShapeObject';\nimport { Skybox } from './Skybox';\nimport { SpaceObject } from './SpaceObject';\nimport { SphereObject } from './SphereObject';\nimport { StaticParticles } from './StaticParticles';\nimport { Stars } from './Stars';\nimport { getDefaultBasePath } from './util';\nimport { setScaleFactor, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\n// TODO(ian): Make this an interface.\nexport interface SimulationObject {\n  update: (jd: number, force: boolean) => void;\n  get3jsObjects(): THREE.Object3D[];\n  getId(): string;\n}\n\ninterface CameraOptions {\n  initialPosition?: Coordinate3d;\n  enableDrift?: boolean;\n}\n\ninterface DebugOptions {\n  showAxes?: boolean;\n  showGrid?: boolean;\n  showStats?: boolean;\n}\n\ninterface SpacekitOptions {\n  basePath: string;\n  startDate?: Date;\n  jd?: number;\n  jdDelta?: number;\n  jdPerSecond?: number;\n  unitsPerAu?: number;\n  startPaused?: boolean;\n  maxNumParticles?: number;\n  particleTextureUrl?: string;\n  particleDefaultSize?: number;\n  camera?: CameraOptions;\n  debug?: DebugOptions;\n}\n\nexport interface SimulationContext {\n  simulation: Simulation;\n  options: SpacekitOptions;\n  objects: {\n    renderer: WebGL1Renderer;\n    camera: Camera;\n    scene: Scene;\n    particles: KeplerParticles;\n    composer?: EffectComposer;\n  };\n  container: {\n    width: number;\n    height: number;\n  };\n}\n\n/**\n * The main entrypoint of a visualization.\n *\n * This class wraps a THREE.js scene, controls, skybox, etc in an animated\n * Simulation.\n *\n * @example\n * ```\n * const sim = new Spacekit.Simulation(document.getElementById('my-container'), {\n *  basePath: '../path/to/assets',\n *  startDate: Date.now(),\n *  jd: 0.0,\n *  jdDelta: 10.0,\n *  jdPerSecond: 100.0,  // overrides jdDelta\n *  startPaused: false,\n *  unitsPerAu: 1.0,\n *  maxNumParticles: 2**16,\n *  camera: {\n *    initialPosition: [0, -10, 5],\n *    enableDrift: false,\n *  },\n *  debug: {\n *    showAxes: false,\n *    showGrid: false,\n *    showStats: false,\n *  },\n * });\n * ```\n */\nexport class Simulation {\n  public onTick?: () => void;\n\n  private simulationElt: HTMLCanvasElement;\n\n  private options: SpacekitOptions;\n\n  private jd: number;\n\n  private jdDelta?: number;\n\n  private jdPerSecond: number;\n\n  private isPaused: boolean;\n\n  private enableCameraDrift: boolean;\n\n  private cameraDefaultPos: Coordinate3d;\n\n  private camera: Camera;\n\n  private useLightSources: boolean;\n\n  private lightPosition?: Vector3;\n\n  private subscribedObjects: Record<string, SimulationObject>;\n\n  private particles: KeplerParticles;\n\n  private stats?: Stats;\n\n  private fps: number;\n\n  private lastUpdatedTime: number;\n\n  private lastStaticCameraUpdateTime: number;\n\n  private lastResizeUpdateTime: number;\n\n  private renderEnabled: boolean;\n\n  private initialRenderComplete: boolean;\n\n  private scene: Scene;\n\n  private renderer: WebGL1Renderer;\n\n  private composer?: EffectComposer;\n\n  /**\n   * @param {HTMLCanvasElement} simulationElt The container for this simulation.\n   * @param {Object} options for simulation\n   * @param {String} options.basePath Path to simulation assets and data\n   * @param {Date} options.startDate The start date and time for this\n   * simulation.\n   * @param {Number} options.jd The JD date of this simulation.\n   * Defaults to 0\n   * @param {Number} options.jdDelta The number of JD to add every tick of\n   * the simulation.\n   * @param {Number} options.jdPerSecond The number of jd to add every second.\n   * Use this instead of `jdDelta` for constant motion that does not vary with\n   * framerate.  Defaults to 100.\n   * @param {Number} options.unitsPerAu The number of \"position\" units in the\n   * simulation that represent an AU. This is an optional setting that you may\n   * use if the default (1 unit = 1 AU) is too small for your simulation (e.g.\n   * if you are representing a planetary system). Depending on your graphics\n   * card, you may begin to notice inaccuracies at fractional scales of GL\n   * units, so it becomes necessary to scale the whole visualization.  Defaults\n   * to 1.0.\n   * @param {boolean} options.startPaused Whether the simulation should start\n   * in a paused state.\n   * @param {Number} options.maxNumParticles The maximum number of particles in\n   * the visualization. Try choosing a number that is larger than your\n   * particles, but not too much larger. It's usually good enough to choose the\n   * next highest power of 2. If you're not showing many particles (tens of\n   * thousands+), you don't need to worry about this.\n   * @param {String} options.particleTextureUrl The texture for the default\n   * particle system.\n   * @param {Number} options.particleDefaultSize The default size for the\n   * particle system.\n   * @param {Object} options.camera Options for camera\n   * @param {Array.<Number>} options.camera.initialPosition Initial X, Y, Z\n   * coordinates of the camera. Defaults to [0, -10, 5].\n   * @param {boolean} options.camera.enableDrift Set true to have the camera\n   * float around slightly. False by default.\n   * @param {Object} options.debug Options dictating debug state.\n   * @param {boolean} options.debug.showAxes Show X, Y, and Z axes\n   * @param {boolean} options.debug.showGrid Show grid on XY plane\n   * @param {boolean} options.debug.showStats Show FPS and other stats\n   * (requires stats.js).\n   */\n  constructor(simulationElt: HTMLCanvasElement, options: SpacekitOptions) {\n    this.simulationElt = simulationElt;\n    this.options = options || {};\n    this.options.basePath = this.options.basePath || getDefaultBasePath();\n\n    this.jd =\n      typeof this.options.jd === 'undefined'\n        ? Number(julian(this.options.startDate || new Date()))\n        : this.options.jd;\n    this.jdDelta = this.options.jdDelta;\n    this.jdPerSecond = this.options.jdPerSecond || 100;\n    this.isPaused = options.startPaused || false;\n    this.onTick = undefined;\n\n    this.enableCameraDrift = false;\n    this.cameraDefaultPos = rescaleArray([0, -10, 5]);\n    if (this.options.camera) {\n      this.enableCameraDrift = !!this.options.camera.enableDrift;\n      if (this.options.camera.initialPosition) {\n        this.cameraDefaultPos = rescaleArray(\n          this.options.camera.initialPosition,\n        );\n      }\n    }\n\n    this.useLightSources = false;\n    this.lightPosition = undefined;\n\n    this.subscribedObjects = {};\n\n    // This makes controls.lookAt and other objects treat the positive Z axis\n    // as \"up\" direction.\n    THREE.Object3D.DefaultUp = new THREE.Vector3(0, 0, 1);\n\n    // Scale\n    if (this.options.unitsPerAu) {\n      setScaleFactor(this.options.unitsPerAu);\n    }\n\n    // stats.js panel\n    this.stats = undefined;\n    this.fps = 1;\n\n    this.lastUpdatedTime = Date.now();\n    this.lastStaticCameraUpdateTime = Date.now();\n    this.lastResizeUpdateTime = Date.now();\n\n    // Rendering\n    this.renderEnabled = true;\n    this.initialRenderComplete = false;\n    this.animate = this.animate.bind(this);\n\n    this.renderer = this.initRenderer();\n    this.scene = new THREE.Scene();\n    this.camera = new Camera(this.getContext());\n    this.composer = null;\n\n    // Orbit particle system must be initialized after scene is created and\n    // scale is set.\n    this.particles = new KeplerParticles(\n      {\n        textureUrl:\n          this.options.particleTextureUrl ||\n          '{{assets}}/sprites/smallparticle.png',\n        jd: this.jd,\n        maxNumParticles: this.options.maxNumParticles,\n        defaultSize: this.options.particleDefaultSize,\n      },\n      this,\n    );\n\n    this.init();\n    this.animate();\n  }\n\n  /**\n   * @private\n   */\n  private init() {\n    // Camera\n    this.camera\n      .get3jsCamera()\n      .position.set(\n        this.cameraDefaultPos[0],\n        this.cameraDefaultPos[1],\n        this.cameraDefaultPos[2],\n      );\n    // window.cam = camera.get3jsCamera();\n\n    // Events\n    this.simulationElt.onmousedown = this.simulationElt.ontouchstart = () => {\n      // When user begins interacting with the visualization, disable camera\n      // drift.\n      this.enableCameraDrift = false;\n    };\n\n    (() => {\n      let listenToCameraEvents = false;\n      this.camera.get3jsCameraControls().addEventListener('change', () => {\n        // Camera will send a few initial events - ignore these.\n        if (listenToCameraEvents) {\n          this.staticForcedUpdate();\n        }\n      });\n      setTimeout(() => {\n        // Send an update when the visualization is done loading.\n        this.staticForcedUpdate();\n        listenToCameraEvents = true;\n        this.initialRenderComplete = true;\n      }, 0);\n    })();\n\n    this.simulationElt.addEventListener('resize', () => {\n      this.resizeUpdate();\n    });\n\n    window.addEventListener('resize', () => {\n      this.resizeUpdate();\n    });\n\n    // Helper\n    if (this.options.debug) {\n      if (this.options.debug.showGrid) {\n        const gridHelper = new THREE.GridHelper(undefined, undefined);\n        gridHelper.geometry.rotateX(Math.PI / 2);\n        this.scene.add(gridHelper);\n      }\n      if (this.options.debug.showAxes) {\n        this.scene.add(new THREE.AxesHelper(0.5));\n      }\n      if (this.options.debug.showStats) {\n        this.stats = new (Stats as any)();\n        this.stats!.showPanel(0);\n        this.simulationElt.appendChild(this.stats!.dom);\n      }\n    }\n\n    // Set up effect composer, etc.\n    this.initPasses();\n  }\n\n  /**\n   * @private\n   */\n  private initRenderer(): THREE.WebGL1Renderer {\n    // TODO(ian): Upgrade to webgl 2. See https://discourse.threejs.org/t/webgl2-breaking-custom-shader/16603/4\n    const renderer = new THREE.WebGL1Renderer({\n      antialias: true,\n      //logarithmicDepthBuffer: true,\n    });\n    console.info(\n      'Max texture resolution:',\n      renderer.capabilities.maxTextureSize,\n    );\n\n    const maxPrecision = renderer.capabilities.getMaxPrecision('highp');\n    if (maxPrecision !== 'highp') {\n      console.warn(\n        `Shader maximum precision is \"${maxPrecision}\", GPU rendering may not be accurate.`,\n      );\n    }\n\n    renderer.setPixelRatio(window.devicePixelRatio);\n    renderer.setSize(\n      this.simulationElt.offsetWidth,\n      this.simulationElt.offsetHeight,\n    );\n\n    this.simulationElt.appendChild(renderer.domElement);\n\n    return renderer;\n  }\n\n  /**\n   * @private\n   */\n  private initPasses() {\n    //const smaaEffect = new SMAAEffect(assets.get(\"smaa-search\"), assets.get(\"smaa-area\"));\n    //smaaEffect.colorEdgesMaterial.setEdgeDetectionThreshold(0.065);\n\n    const camera = this.camera.get3jsCamera();\n\n    /*\n    const sunGeometry = new THREE.SphereBufferGeometry(\n      rescaleNumber(0.004),\n      16,\n    );\n    const sunMaterial = new THREE.MeshBasicMaterial({\n      color: 0xffddaa,\n      transparent: true,\n      depthWrite: false,\n      fog: false,\n    });\n    const sun = new THREE.Mesh(sunGeometry, sunMaterial);\n    const rescaled = rescaleArray([0.1, 0.1, 0.0]);\n    sun.position.set(rescaled[0], rescaled[1], rescaled[2]);\n    sun.updateMatrix();\n    sun.updateMatrixWorld();\n\n    const godRaysEffect = new GodRaysEffect(camera, sun, {\n      color: 0xfff5f2,\n      blur: false,\n    });\n    */\n    //godRaysEffect.dithering = true;\n\n    const bloomEffect = new BloomEffect(this.scene, camera, {\n      width: 240,\n      height: 240,\n      luminanceThreshold: 0.2,\n    });\n    bloomEffect.inverted = true;\n    bloomEffect.blendMode.opacity.value = 2.3;\n\n    const renderPass = new RenderPass(this.scene, camera);\n    renderPass.renderToScreen = false;\n\n    const effectPass = new EffectPass(\n      camera,\n      /*smaaEffect, godRaysEffect*/ bloomEffect,\n    );\n    effectPass.renderToScreen = true;\n\n    const composer = new EffectComposer(this.renderer);\n    composer.addPass(renderPass);\n    composer.addPass(effectPass);\n    this.composer = composer;\n  }\n\n  /**\n   * @private\n   */\n  private update(force = false) {\n    for (const objId in this.subscribedObjects) {\n      if (this.subscribedObjects.hasOwnProperty(objId)) {\n        this.subscribedObjects[objId].update(this.jd, force);\n      }\n    }\n  }\n\n  /**\n   * Performs a forced update of all elements in the view. This is used for when the system isn't animating but the\n   * objects need to update their data to properly capture things like updated label positions.\n   * @private\n   */\n  private staticForcedUpdate() {\n    if (this.isPaused) {\n      const now = Date.now();\n      const timeDelta = now - this.lastStaticCameraUpdateTime;\n      const threshold = 30;\n      // TODO(ian): Also do this based on viewport change. Otherwise things like scrolling don't work well.\n      if (timeDelta > threshold) {\n        this.update(true /* force */);\n        this.lastStaticCameraUpdateTime = now;\n      }\n    }\n  }\n\n  /**\n   * @private\n   * Updates the size of the control and forces a refresh of components whenever the control is being resized.\n   */\n  private resizeUpdate() {\n    const now = Date.now();\n    const timeDelta = now - this.lastResizeUpdateTime;\n    const threshold = 30;\n\n    if (timeDelta > threshold) {\n      const newWidth = this.simulationElt.offsetWidth;\n      const newHeight = this.simulationElt.offsetHeight;\n      if (newWidth === 0 && newHeight === 0) {\n        return;\n      }\n      const camera = this.camera.get3jsCamera();\n      camera.aspect = newWidth / newHeight;\n      camera.updateProjectionMatrix();\n      this.renderer.setSize(newWidth, newHeight);\n      this.staticForcedUpdate();\n      this.lastResizeUpdateTime = now;\n    }\n  }\n\n  /**\n   * @private\n   * TODO(ian): Move this into Camera\n   */\n  private doCameraDrift() {\n    // Follow floating path around\n    const timer = 0.0001 * Date.now();\n    const pos = this.cameraDefaultPos;\n    const cam = this.camera.get3jsCamera();\n    cam.position.x = pos[0] + (pos[0] * (Math.cos(timer) + 1)) / 3;\n    cam.position.z = pos[2] + (pos[2] * (Math.sin(timer) + 1)) / 3;\n  }\n\n  /**\n   * @private\n   */\n  private animate() {\n    if (!this.renderEnabled && this.initialRenderComplete) {\n      return;\n    }\n\n    window.requestAnimationFrame(this.animate);\n\n    if (this.stats) {\n      this.stats.begin();\n    }\n\n    if (!this.isPaused) {\n      if (this.jdDelta) {\n        this.jd += this.jdDelta;\n      } else {\n        // N jd per second\n        this.jd += this.jdPerSecond / this.fps;\n      }\n\n      const timeDelta = (Date.now() - this.lastUpdatedTime) / 1000;\n      this.lastUpdatedTime = Date.now();\n      this.fps = 1 / timeDelta || 1;\n\n      // Update objects in this simulation\n      this.update();\n    }\n\n    // Update camera drifting, if applicable\n    if (this.enableCameraDrift) {\n      this.doCameraDrift();\n    }\n    this.camera.update();\n\n    // Update three.js scene\n    this.renderer.render(this.scene, this.camera.get3jsCamera());\n    //this.composer.render(0.1);\n\n    if (this.onTick) {\n      this.onTick();\n    }\n\n    if (this.stats) {\n      this.stats.end();\n    }\n  }\n\n  /**\n   * Add a spacekit object (usually a SpaceObject) to the visualization.\n   * @see SpaceObject\n   * @param {Object} obj Object to add to visualization\n   * @param {boolean} noUpdate Set to true if object does not need to be\n   * animated.\n   */\n  addObject(obj: SimulationObject, noUpdate: boolean = false) {\n    obj.get3jsObjects().map((x) => {\n      this.scene.add(x);\n    });\n\n    if (!noUpdate) {\n      // Call for updates as time passes.\n      const objId = obj.getId();\n      if (this.subscribedObjects[objId]) {\n        console.error(\n          `Object id is not unique: \"${objId}\". This could prevent objects from updating correctly.`,\n        );\n      }\n      this.subscribedObjects[objId] = obj;\n    }\n  }\n\n  /**\n   * Removes an object from the visualization.\n   * @param {Object} obj Object to remove\n   */\n  removeObject(obj: SpaceObject) {\n    // TODO(ian): test this and avoid memory leaks...\n    obj.get3jsObjects().map((x) => {\n      this.scene.remove(x);\n    });\n\n    if (typeof obj.removalCleanup === 'function') {\n      obj.removalCleanup();\n    }\n    delete this.subscribedObjects[obj.getId()];\n  }\n\n  /**\n   * Shortcut for creating a new SpaceObject belonging to this visualization.\n   * Takes any SpaceObject arguments.\n   * @see SpaceObject\n   */\n  // @ts-ignore\n  createObject(...args): SpaceObject {\n    // @ts-ignore\n    return new SpaceObject(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new ShapeObject belonging to this visualization.\n   * Takes any ShapeObject arguments.\n   * @see ShapeObject\n   */\n  // @ts-ignore\n  createShape(...args): ShapeObject {\n    // @ts-ignore\n    return new ShapeObject(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new SphereOjbect belonging to this visualization.\n   * Takes any SphereObject arguments.\n   * @see SphereObject\n   */\n  // @ts-ignore\n  createSphere(...args): SphereObject {\n    // @ts-ignore\n    return new SphereObject(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new StaticParticles object belonging to this visualization.\n   * Takes any StaticParticles arguments.\n   * @see SphereObject\n   */\n  // @ts-ignore\n  createStaticParticles(...args): StaticParticles {\n    // @ts-ignore\n    return new StaticParticles(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new Skybox belonging to this visualization. Takes\n   * any Skybox arguments.\n   * @see Skybox\n   */\n  // @ts-ignore\n  createSkybox(...args): Skybox {\n    // @ts-ignore\n    return new Skybox(...args, this);\n  }\n\n  /**\n   * Shortcut for creating a new Stars object belonging to this visualization.\n   * Takes any Stars arguments.\n   * @see Stars\n   */\n  // @ts-ignore\n  createStars(...args): Stars {\n    if (args.length) {\n      // @ts-ignore\n      return new Stars(...args, this);\n    }\n    // No arguments supplied\n    return new Stars({}, this);\n  }\n\n  /**\n   * Creates an ambient light source. This will dimly light everything in the\n   * visualization.\n   * @param {Number} color Color of light, default 0x333333\n   */\n  createAmbientLight(color: number = 0x333333) {\n    this.scene.add(new THREE.AmbientLight(color));\n    this.useLightSources = true;\n  }\n\n  /**\n   * Creates a light source. This will make the shape of your objects visible\n   * and provide some contrast.\n   * @param {Array.<Number>} pos Position of light source. Defaults to moving\n   * with camera.\n   * @param {Number} color Color of light, default 0xFFFFFF\n   */\n  createLight(\n    pos: Coordinate3d | undefined = undefined,\n    color: number = 0xffffff,\n  ) {\n    if (this.lightPosition) {\n      console.warn(\n        \"Spacekit doesn't support more than one light source for SphereObjects\",\n      );\n    }\n    this.lightPosition = new THREE.Vector3();\n\n    // Pointlight is for standard meshes created by ShapeObjects.\n    // TODO(ian): Remove this point light.\n    const pointLight = new THREE.PointLight();\n\n    if (typeof pos === 'undefined') {\n      // The light comes from the camera.\n      // FIXME(ian): This only affects the point source.\n      this.camera.get3jsCameraControls().addEventListener('change', () => {\n        this.lightPosition!.copy(this.camera.get3jsCamera().position);\n        pointLight.position.copy(this.camera.get3jsCamera().position);\n      });\n    } else {\n      const rescaled = rescaleArray(pos);\n      this.lightPosition.set(rescaled[0], rescaled[1], rescaled[2]);\n      pointLight.position.set(rescaled[0], rescaled[1], rescaled[2]);\n    }\n\n    this.scene.add(pointLight);\n    this.useLightSources = true;\n  }\n\n  getLightPosition(): Vector3 | undefined {\n    return this.lightPosition;\n  }\n\n  isUsingLightSources(): boolean {\n    return this.useLightSources;\n  }\n\n  /**\n   * Returns a promise that receives a NaturalSatellites object when it is\n   * resolved.\n   * @return {Promise<NaturalSatellites>} NaturalSatellites object that is\n   * ready to load.\n   *\n   * @see {NaturalSatellites}\n   */\n  loadNaturalSatellites(): Promise<NaturalSatellites> {\n    return new NaturalSatellites(this).load();\n  }\n\n  /**\n   * Installs a scroll handler that only renders the visualization while it is\n   * in the user's viewport.\n   *\n   * The scroll handler currently binds to the window object only.\n   */\n  renderOnlyInViewport() {\n    let previouslyInView = true;\n    const isInView = () => {\n      const rect = this.simulationElt.getBoundingClientRect();\n      const windowHeight =\n        window.innerHeight || document.documentElement.clientHeight;\n      const windowWidth =\n        window.innerWidth || document.documentElement.clientWidth;\n      const vertInView =\n        rect.top <= windowHeight && rect.top + rect.height >= 0;\n      const horInView = rect.left <= windowWidth && rect.left + rect.width >= 0;\n\n      return vertInView && horInView;\n    };\n\n    window.addEventListener('scroll', () => {\n      const inView = isInView();\n      if (previouslyInView && !inView) {\n        // Went out of view\n        this.renderEnabled = false;\n        previouslyInView = false;\n      } else if (!previouslyInView && inView) {\n        // Came into view\n        this.renderEnabled = true;\n        window.requestAnimationFrame(this.animate);\n        previouslyInView = true;\n      }\n    });\n\n    if (!isInView()) {\n      // Initial state is render enabled, so disable it if currently out of\n      // view.\n      this.renderEnabled = false;\n      previouslyInView = false;\n    }\n  }\n\n  /**\n   * Adjust camera position so that the object fits within the viewport. If\n   * applicable, this function will fit around the object's orbit.\n   * @param {SpaceObject} spaceObj Object to fit within viewport.\n   * @param {Number} offset Add some extra room in the viewport. Increase to be\n   * further zoomed out, decrease to be closer. Default 3.0.\n   */\n  async zoomToFit(\n    spaceObj: SpaceObject,\n    offset: number = 3.0,\n  ): Promise<boolean> {\n    const orbit = spaceObj.getOrbit();\n    const obj = orbit\n      ? orbit.getOrbitShape()\n      : await spaceObj.getBoundingObject();\n    if (obj) {\n      this.doZoomToFit(obj, offset);\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * @private\n   * Perform the actual zoom to fit behavior.\n   * @param {Object3D} obj Three.js object to fit within viewport.\n   * @param {Number} offset Add some extra room in the viewport. Increase to be\n   * further zoomed out, decrease to be closer. Default 3.0.\n   */\n  private doZoomToFit(obj: Object3D, offset: number) {\n    const boundingBox = new THREE.Box3();\n    boundingBox.setFromObject(obj);\n\n    const center = new THREE.Vector3();\n    boundingBox.getCenter(center);\n    const size = new THREE.Vector3();\n    boundingBox.getSize(size);\n\n    // Get the max side of the bounding box (fits to width OR height as needed)\n    const camera = this.camera.get3jsCamera();\n    const maxDim = Math.max(size.x, size.y, size.z);\n    const fov = camera.fov * (Math.PI / 180);\n    const cameraZ = Math.abs((maxDim / 2) * Math.tan(fov * 2)) * offset;\n\n    const objectWorldPosition = new THREE.Vector3();\n    obj.getWorldPosition(objectWorldPosition);\n    const directionVector = camera.position.sub(objectWorldPosition); // Get vector from camera to object\n    const unitDirectionVector = directionVector.normalize(); // Convert to unit vector\n\n    const newpos = unitDirectionVector.multiplyScalar(cameraZ);\n    camera.position.x = newpos.x;\n    camera.position.y = newpos.y;\n    camera.position.z = newpos.z;\n    camera.updateProjectionMatrix();\n\n    // Update default camera pos so if drift is on, camera will drift around\n    // its new position.\n    this.cameraDefaultPos = [newpos.x, newpos.y, newpos.z];\n  }\n\n  /**\n   * Run the animation\n   */\n  start() {\n    this.lastUpdatedTime = Date.now();\n    this.isPaused = false;\n  }\n\n  /**\n   * Stop the animation\n   */\n  stop() {\n    this.isPaused = true;\n  }\n\n  /**\n   * Gets the current JD date of the simulation\n   * @return {Number} JD date\n   */\n  getJd(): number {\n    return this.jd;\n  }\n\n  /**\n   * Sets the JD date of the simulation.\n   * @param {Number} val JD date\n   */\n  setJd(val: number) {\n    this.jd = val;\n    this.update(true);\n  }\n\n  /**\n   * Get a date object representing local date and time of the simulation.\n   * @return {Date} Date of simulation\n   */\n  getDate(): Date {\n    return julian.toDate(this.jd);\n  }\n\n  /**\n   * Set the local date and time of the simulation.\n   * @param {Date} date Date of simulation\n   */\n  setDate(date: Date) {\n    this.setJd(Number(julian(date)));\n  }\n\n  /**\n   * Get the JD per frame of the visualization.\n   */\n  getJdDelta() {\n    if (!this.jdDelta) {\n      return this.jdPerSecond / this.fps;\n    }\n    return this.jdDelta;\n  }\n\n  /**\n   * Set the JD per frame of the visualization. This will override any\n   * existing \"JD per second\" setting.\n   * @param {Number} delta JD per frame\n   */\n  setJdDelta(delta: number) {\n    this.jdDelta = delta;\n  }\n\n  /**\n   * Get the JD change per second of the visualization.\n   * @return {Number | undefined} JD per second, undefined if jd per second is\n   * not set.\n   */\n  getJdPerSecond(): number | undefined {\n    if (this.jdDelta) {\n      // Jd per second can vary\n      return undefined;\n    }\n    return this.jdPerSecond;\n  }\n\n  /**\n   * Set the JD change per second of the visualization.\n   * @param {Number} x JD per second\n   */\n  setJdPerSecond(x: number) {\n    // Delta overrides jd per second, so unset it.\n    this.jdDelta = undefined;\n\n    this.jdPerSecond = x;\n  }\n\n  /**\n   * Get an object that contains useful context for this visualization\n   * @return {Object} Context object\n   */\n  getContext(): SimulationContext {\n    return {\n      simulation: this,\n      options: this.options,\n      objects: {\n        particles: this.particles,\n        camera: this.camera,\n        scene: this.scene,\n        renderer: this.renderer,\n        composer: this.composer,\n      },\n      container: {\n        width: this.simulationElt.offsetWidth,\n        height: this.simulationElt.offsetHeight,\n      },\n    };\n  }\n\n  /**\n   * Get the element containing this simulation\n   * @return {HTMLElement} The html container of this simulation\n   */\n  getSimulationElement(): HTMLCanvasElement {\n    return this.simulationElt;\n  }\n\n  /**\n   * Get the Camera and CameraControls wrapper object\n   * @return {Camera} The Camera wrapper\n   */\n  getViewer(): Camera {\n    return this.camera;\n  }\n\n  /**\n   * Get the three.js scene object\n   * @return {THREE.Scene} The THREE.js scene object\n   */\n  getScene(): THREE.Scene {\n    return this.scene;\n  }\n\n  /**\n   * Get the three.js renderer\n   * @return {THREE.WebGL1Renderer} The THREE.js renderer\n   */\n  getRenderer(): THREE.WebGL1Renderer {\n    return this.renderer;\n  }\n\n  /**\n   * Enable or disable camera drift.\n   * @param {boolean} driftOn True if you want the camera to float around a bit\n   */\n  setCameraDrift(driftOn: boolean) {\n    this.enableCameraDrift = driftOn;\n  }\n}\n\nexport default Simulation;\n", "var Stats = function () {\n\n\tvar mode = 0;\n\n\tvar container = document.createElement( 'div' );\n\tcontainer.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';\n\tcontainer.addEventListener( 'click', function ( event ) {\n\n\t\tevent.preventDefault();\n\t\tshowPanel( ++ mode % container.children.length );\n\n\t}, false );\n\n\t//\n\n\tfunction addPanel( panel ) {\n\n\t\tcontainer.appendChild( panel.dom );\n\t\treturn panel;\n\n\t}\n\n\tfunction showPanel( id ) {\n\n\t\tfor ( var i = 0; i < container.children.length; i ++ ) {\n\n\t\t\tcontainer.children[ i ].style.display = i === id ? 'block' : 'none';\n\n\t\t}\n\n\t\tmode = id;\n\n\t}\n\n\t//\n\n\tvar beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0;\n\n\tvar fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );\n\tvar msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );\n\n\tif ( self.performance && self.performance.memory ) {\n\n\t\tvar memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );\n\n\t}\n\n\tshowPanel( 0 );\n\n\treturn {\n\n\t\tREVISION: 16,\n\n\t\tdom: container,\n\n\t\taddPanel: addPanel,\n\t\tshowPanel: showPanel,\n\n\t\tbegin: function () {\n\n\t\t\tbeginTime = ( performance || Date ).now();\n\n\t\t},\n\n\t\tend: function () {\n\n\t\t\tframes ++;\n\n\t\t\tvar time = ( performance || Date ).now();\n\n\t\t\tmsPanel.update( time - beginTime, 200 );\n\n\t\t\tif ( time >= prevTime + 1000 ) {\n\n\t\t\t\tfpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 );\n\n\t\t\t\tprevTime = time;\n\t\t\t\tframes = 0;\n\n\t\t\t\tif ( memPanel ) {\n\n\t\t\t\t\tvar memory = performance.memory;\n\t\t\t\t\tmemPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn time;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tbeginTime = this.end();\n\n\t\t},\n\n\t\t// Backwards Compatibility\n\n\t\tdomElement: container,\n\t\tsetMode: showPanel\n\n\t};\n\n};\n\nStats.Panel = function ( name, fg, bg ) {\n\n\tvar min = Infinity, max = 0, round = Math.round;\n\tvar PR = round( window.devicePixelRatio || 1 );\n\n\tvar WIDTH = 80 * PR, HEIGHT = 48 * PR,\n\t\tTEXT_X = 3 * PR, TEXT_Y = 2 * PR,\n\t\tGRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,\n\t\tGRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;\n\n\tvar canvas = document.createElement( 'canvas' );\n\tcanvas.width = WIDTH;\n\tcanvas.height = HEIGHT;\n\tcanvas.style.cssText = 'width:80px;height:48px';\n\n\tvar context = canvas.getContext( '2d' );\n\tcontext.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';\n\tcontext.textBaseline = 'top';\n\n\tcontext.fillStyle = bg;\n\tcontext.fillRect( 0, 0, WIDTH, HEIGHT );\n\n\tcontext.fillStyle = fg;\n\tcontext.fillText( name, TEXT_X, TEXT_Y );\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\tcontext.fillStyle = bg;\n\tcontext.globalAlpha = 0.9;\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\treturn {\n\n\t\tdom: canvas,\n\n\t\tupdate: function ( value, maxValue ) {\n\n\t\t\tmin = Math.min( min, value );\n\t\t\tmax = Math.max( max, value );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 1;\n\t\t\tcontext.fillRect( 0, 0, WIDTH, GRAPH_Y );\n\t\t\tcontext.fillStyle = fg;\n\t\t\tcontext.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );\n\n\t\t\tcontext.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 0.9;\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );\n\n\t\t}\n\n\t};\n\n};\n\nexport default Stats;\n", "/**\n * postprocessing v6.22.5 build Tue Aug 31 2021\n * https://github.com/vanruesc/postprocessing\n * Copyright 2021 Raoul van R\u00FCschen\n * @license Zlib\n */\n// src/core/ColorChannel.js\nvar ColorChannel = {\n  RED: 0,\n  GREEN: 1,\n  BLUE: 2,\n  ALPHA: 3\n};\n\n// src/core/Disposable.js\nvar Disposable = class {\n  dispose() {\n  }\n};\n\n// src/core/EffectComposer.js\nimport {\n  DepthStencilFormat,\n  DepthTexture,\n  LinearFilter as LinearFilter4,\n  RGBAFormat as RGBAFormat3,\n  RGBFormat as RGBFormat4,\n  UnsignedByteType as UnsignedByteType8,\n  UnsignedIntType,\n  UnsignedInt248Type,\n  Vector2 as Vector213,\n  WebGLMultisampleRenderTarget,\n  WebGLRenderTarget as WebGLRenderTarget9\n} from \"three\";\n\n// src/passes/AdaptiveLuminancePass.js\nimport {\n  HalfFloatType,\n  NearestFilter,\n  RGBAFormat,\n  WebGLRenderTarget as WebGLRenderTarget2\n} from \"three\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nimport { NoBlending, ShaderMaterial, Uniform } from \"three\";\n\n// src/materials/glsl/adaptive-luminance/shader.frag\nvar shader_default = \"uniform mediump sampler2D luminanceBuffer0;uniform lowp sampler2D luminanceBuffer1;uniform float minLuminance;uniform float deltaTime;uniform float tau;varying vec2 vUv;void main(){float l0=texture2D(luminanceBuffer0,vUv).r;\\n#if __VERSION__ < 300\\nfloat l1=texture2DLodEXT(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#else\\nfloat l1=textureLod(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#endif\\nl0=max(minLuminance,l0);l1=max(minLuminance,l1);float adaptedLum=l0+(l1-l0)*(1.0-exp(-deltaTime*tau));gl_FragColor.r=adaptedLum;}\";\n\n// src/materials/glsl/common/shader.vert\nvar shader_default2 = \"varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nvar AdaptiveLuminanceMaterial = class extends ShaderMaterial {\n  constructor() {\n    super({\n      type: \"AdaptiveLuminanceMaterial\",\n      defines: {\n        MIP_LEVEL_1X1: \"0.0\"\n      },\n      uniforms: {\n        luminanceBuffer0: new Uniform(null),\n        luminanceBuffer1: new Uniform(null),\n        minLuminance: new Uniform(0.01),\n        deltaTime: new Uniform(0),\n        tau: new Uniform(1)\n      },\n      fragmentShader: shader_default,\n      vertexShader: shader_default2,\n      blending: NoBlending,\n      depthWrite: false,\n      depthTest: false,\n      extensions: {\n        shaderTextureLOD: true\n      }\n    });\n    this.toneMapped = false;\n  }\n};\n\n// src/materials/BokehMaterial.js\nimport { NoBlending as NoBlending2, ShaderMaterial as ShaderMaterial2, Uniform as Uniform2, Vector2, Vector4 } from \"three\";\n\n// src/materials/glsl/bokeh/shader.frag\nvar shader_default3 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D cocBuffer;uniform vec2 texelSize;uniform float scale;\\n#if PASS == 1\\nuniform vec4 kernel64[32];\\n#else\\nuniform vec4 kernel16[8];\\n#endif\\nvarying vec2 vUv;void main(){\\n#ifdef FOREGROUND\\nvec2 CoCNearFar=texture2D(cocBuffer,vUv).rg;float CoC=CoCNearFar.r*scale;\\n#else\\nfloat CoC=texture2D(cocBuffer,vUv).g*scale;\\n#endif\\nif(CoC==0.0){gl_FragColor=texture2D(inputBuffer,vUv);}else{\\n#ifdef FOREGROUND\\nvec2 step=texelSize*max(CoC,CoCNearFar.g*scale);\\n#else\\nvec2 step=texelSize*CoC;\\n#endif\\n#if PASS == 1\\nvec4 acc=vec4(0.0);for(int i=0;i<32;++i){vec4 kernel=kernel64[i];vec2 uv=step*kernel.xy+vUv;acc+=texture2D(inputBuffer,uv);uv=step*kernel.zw+vUv;acc+=texture2D(inputBuffer,uv);}gl_FragColor=acc/64.0;\\n#else\\nvec4 maxValue=texture2D(inputBuffer,vUv);for(int i=0;i<8;++i){vec4 kernel=kernel16[i];vec2 uv=step*kernel.xy+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);uv=step*kernel.zw+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);}gl_FragColor=maxValue;\\n#endif\\n}}\";\n\n// src/materials/BokehMaterial.js\nvar BokehMaterial = class extends ShaderMaterial2 {\n  constructor(fill = false, foreground = false) {\n    super({\n      type: \"BokehMaterial\",\n      defines: {\n        PASS: fill ? \"2\" : \"1\"\n      },\n      uniforms: {\n        kernel64: new Uniform2(null),\n        kernel16: new Uniform2(null),\n        inputBuffer: new Uniform2(null),\n        cocBuffer: new Uniform2(null),\n        texelSize: new Uniform2(new Vector2()),\n        scale: new Uniform2(1)\n      },\n      fragmentShader: shader_default3,\n      vertexShader: shader_default2,\n      blending: NoBlending2,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    if (foreground) {\n      this.defines.FOREGROUND = \"1\";\n    }\n    this.generateKernel();\n  }\n  generateKernel() {\n    const GOLDEN_ANGLE = 2.39996323;\n    const points64 = new Float32Array(128);\n    const points16 = new Float32Array(32);\n    let i64 = 0, i16 = 0;\n    for (let i = 0; i < 80; ++i) {\n      const theta = i * GOLDEN_ANGLE;\n      const r = Math.sqrt(i) / Math.sqrt(80);\n      const u = r * Math.cos(theta), v3 = r * Math.sin(theta);\n      if (i % 5 === 0) {\n        points16[i16++] = u;\n        points16[i16++] = v3;\n      } else {\n        points64[i64++] = u;\n        points64[i64++] = v3;\n      }\n    }\n    const kernel64 = [];\n    const kernel16 = [];\n    for (let i = 0; i < 128; ) {\n      kernel64.push(new Vector4(points64[i++], points64[i++], points64[i++], points64[i++]));\n    }\n    for (let i = 0; i < 32; ) {\n      kernel16.push(new Vector4(points16[i++], points16[i++], points16[i++], points16[i++]));\n    }\n    this.uniforms.kernel64.value = kernel64;\n    this.uniforms.kernel16.value = kernel16;\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n  }\n};\n\n// src/materials/CircleOfConfusionMaterial.js\nimport { NoBlending as NoBlending3, PerspectiveCamera, ShaderMaterial as ShaderMaterial3, Uniform as Uniform3 } from \"three\";\n\n// src/materials/glsl/circle-of-confusion/shader.frag\nvar shader_default4 = \"#include <common>\\n#include <packing>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float focusDistance;uniform float focalLength;uniform float cameraNear;uniform float cameraFar;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}void main(){float depth=readDepth(vUv);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat signedDistance=linearDepth-focusDistance;float magnitude=smoothstep(0.0,focalLength,abs(signedDistance));gl_FragColor.rg=vec2(step(signedDistance,0.0)*magnitude,step(0.0,signedDistance)*magnitude);}\";\n\n// src/materials/CircleOfConfusionMaterial.js\nvar CircleOfConfusionMaterial = class extends ShaderMaterial3 {\n  constructor(camera) {\n    super({\n      type: \"CircleOfConfusionMaterial\",\n      defines: {\n        DEPTH_PACKING: \"0\"\n      },\n      uniforms: {\n        depthBuffer: new Uniform3(null),\n        focusDistance: new Uniform3(0),\n        focalLength: new Uniform3(0),\n        cameraNear: new Uniform3(0.3),\n        cameraFar: new Uniform3(1e3)\n      },\n      fragmentShader: shader_default4,\n      vertexShader: shader_default2,\n      blending: NoBlending3,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.adoptCameraSettings(camera);\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  adoptCameraSettings(camera = null) {\n    if (camera !== null) {\n      this.uniforms.cameraNear.value = camera.near;\n      this.uniforms.cameraFar.value = camera.far;\n      if (camera instanceof PerspectiveCamera) {\n        this.defines.PERSPECTIVE_CAMERA = \"1\";\n      } else {\n        delete this.defines.PERSPECTIVE_CAMERA;\n      }\n      this.needsUpdate = true;\n    }\n  }\n};\n\n// src/materials/ColorEdgesMaterial.js\nimport { NoBlending as NoBlending4, ShaderMaterial as ShaderMaterial4, Uniform as Uniform4, Vector2 as Vector22 } from \"three\";\n\n// src/materials/glsl/edge-detection/shader.frag\nvar shader_default5 = \"varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\n#if EDGE_DETECTION_MODE == 1\\n#include <common>\\n#endif\\n#if EDGE_DETECTION_MODE == 0 || PREDICATION_MODE == 1\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}vec3 gatherNeighbors(){float p=readDepth(vUv);float pLeft=readDepth(vUv0);float pTop=readDepth(vUv1);return vec3(p,pLeft,pTop);}\\n#elif PREDICATION_MODE == 2\\nuniform sampler2D predicationBuffer;vec3 gatherNeighbors(){float p=texture2D(predicationBuffer,vUv).r;float pLeft=texture2D(predicationBuffer,vUv0).r;float pTop=texture2D(predicationBuffer,vUv1).r;return vec3(p,pLeft,pTop);}\\n#endif\\n#if PREDICATION_MODE != 0\\nvec2 calculatePredicatedThreshold(){vec3 neighbours=gatherNeighbors();vec2 delta=abs(neighbours.xx-neighbours.yz);vec2 edges=step(PREDICATION_THRESHOLD,delta);return PREDICATION_SCALE*EDGE_THRESHOLD*(1.0-PREDICATION_STRENGTH*edges);}\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nuniform sampler2D inputBuffer;\\n#endif\\nvoid main(){\\n#if EDGE_DETECTION_MODE == 0\\nconst vec2 threshold=vec2(DEPTH_THRESHOLD);\\n#elif PREDICATION_MODE != 0\\nvec2 threshold=calculatePredicatedThreshold();\\n#else\\nconst vec2 threshold=vec2(EDGE_THRESHOLD);\\n#endif\\n#if EDGE_DETECTION_MODE == 0\\nvec3 neighbors=gatherNeighbors();vec2 delta=abs(neighbors.xx-vec2(neighbors.y,neighbors.z));vec2 edges=step(threshold,delta);if(dot(edges,vec2(1.0))==0.0){discard;}gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 1\\nfloat l=linearToRelativeLuminance(texture2D(inputBuffer,vUv).rgb);float lLeft=linearToRelativeLuminance(texture2D(inputBuffer,vUv0).rgb);float lTop=linearToRelativeLuminance(texture2D(inputBuffer,vUv1).rgb);vec4 delta;delta.xy=abs(l-vec2(lLeft,lTop));vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}float lRight=linearToRelativeLuminance(texture2D(inputBuffer,vUv2).rgb);float lBottom=linearToRelativeLuminance(texture2D(inputBuffer,vUv3).rgb);delta.zw=abs(l-vec2(lRight,lBottom));vec2 maxDelta=max(delta.xy,delta.zw);float lLeftLeft=linearToRelativeLuminance(texture2D(inputBuffer,vUv4).rgb);float lTopTop=linearToRelativeLuminance(texture2D(inputBuffer,vUv5).rgb);delta.zw=abs(vec2(lLeft,lTop)-vec2(lLeftLeft,lTopTop));maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges.xy*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 2\\nvec4 delta;vec3 c=texture2D(inputBuffer,vUv).rgb;vec3 cLeft=texture2D(inputBuffer,vUv0).rgb;vec3 t=abs(c-cLeft);delta.x=max(max(t.r,t.g),t.b);vec3 cTop=texture2D(inputBuffer,vUv1).rgb;t=abs(c-cTop);delta.y=max(max(t.r,t.g),t.b);vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}vec3 cRight=texture2D(inputBuffer,vUv2).rgb;t=abs(c-cRight);delta.z=max(max(t.r,t.g),t.b);vec3 cBottom=texture2D(inputBuffer,vUv3).rgb;t=abs(c-cBottom);delta.w=max(max(t.r,t.g),t.b);vec2 maxDelta=max(delta.xy,delta.zw);vec3 cLeftLeft=texture2D(inputBuffer,vUv4).rgb;t=abs(c-cLeftLeft);delta.z=max(max(t.r,t.g),t.b);vec3 cTopTop=texture2D(inputBuffer,vUv5).rgb;t=abs(c-cTopTop);delta.w=max(max(t.r,t.g),t.b);maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#endif\\n}\";\n\n// src/materials/glsl/edge-detection/shader.vert\nvar shader_default6 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\nvoid main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,0.0);vUv1=vUv+texelSize*vec2(0.0,-1.0);\\n#if EDGE_DETECTION_MODE != 0\\nvUv2=vUv+texelSize*vec2(1.0,0.0);vUv3=vUv+texelSize*vec2(0.0,1.0);vUv4=vUv+texelSize*vec2(-2.0,0.0);vUv5=vUv+texelSize*vec2(0.0,-2.0);\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/ColorEdgesMaterial.js\nvar ColorEdgesMaterial = class extends ShaderMaterial4 {\n  constructor(texelSize = new Vector22()) {\n    super({\n      type: \"ColorEdgesMaterial\",\n      defines: {\n        EDGE_DETECTION_MODE: \"2\",\n        LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n        EDGE_THRESHOLD: \"0.1\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform4(null),\n        texelSize: new Uniform4(texelSize)\n      },\n      fragmentShader: shader_default5,\n      vertexShader: shader_default6,\n      blending: NoBlending4,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n  setLocalContrastAdaptationFactor(factor) {\n    this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = factor.toFixed(\"2\");\n    this.needsUpdate = true;\n  }\n  setEdgeDetectionThreshold(threshold) {\n    const t = Math.min(Math.max(threshold, 0.05), 0.5);\n    this.defines.EDGE_THRESHOLD = t.toFixed(\"2\");\n    this.needsUpdate = true;\n  }\n};\n\n// src/materials/ConvolutionMaterial.js\nimport { NoBlending as NoBlending5, ShaderMaterial as ShaderMaterial5, Uniform as Uniform5, Vector2 as Vector23 } from \"three\";\n\n// src/materials/glsl/convolution/shader.frag\nvar shader_default7 = \"#include <common>\\n#include <dithering_pars_fragment>\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25;\\n#include <dithering_fragment>\\n}\";\n\n// src/materials/glsl/convolution/shader.vert\nvar shader_default8 = \"uniform vec2 texelSize;uniform vec2 halfTexelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize*vec2(kernel)+halfTexelSize)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/ConvolutionMaterial.js\nvar ConvolutionMaterial = class extends ShaderMaterial5 {\n  constructor(texelSize = new Vector23()) {\n    super({\n      type: \"ConvolutionMaterial\",\n      uniforms: {\n        inputBuffer: new Uniform5(null),\n        texelSize: new Uniform5(new Vector23()),\n        halfTexelSize: new Uniform5(new Vector23()),\n        kernel: new Uniform5(0),\n        scale: new Uniform5(1)\n      },\n      fragmentShader: shader_default7,\n      vertexShader: shader_default8,\n      blending: NoBlending5,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.setTexelSize(texelSize.x, texelSize.y);\n    this.kernelSize = KernelSize.LARGE;\n  }\n  getKernel() {\n    return kernelPresets[this.kernelSize];\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n    this.uniforms.halfTexelSize.value.set(x, y).multiplyScalar(0.5);\n  }\n};\nvar kernelPresets = [\n  new Float32Array([0, 0]),\n  new Float32Array([0, 1, 1]),\n  new Float32Array([0, 1, 1, 2]),\n  new Float32Array([0, 1, 2, 2, 3]),\n  new Float32Array([0, 1, 2, 3, 4, 4, 5]),\n  new Float32Array([0, 1, 2, 3, 4, 5, 7, 8, 9, 10])\n];\nvar KernelSize = {\n  VERY_SMALL: 0,\n  SMALL: 1,\n  MEDIUM: 2,\n  LARGE: 3,\n  VERY_LARGE: 4,\n  HUGE: 5\n};\n\n// src/materials/CopyMaterial.js\nimport { NoBlending as NoBlending6, ShaderMaterial as ShaderMaterial6, Uniform as Uniform6 } from \"three\";\n\n// src/materials/glsl/copy/shader.frag\nvar shader_default9 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel;\\n#include <encodings_fragment>\\n}\";\n\n// src/materials/CopyMaterial.js\nvar CopyMaterial = class extends ShaderMaterial6 {\n  constructor() {\n    super({\n      type: \"CopyMaterial\",\n      uniforms: {\n        inputBuffer: new Uniform6(null),\n        opacity: new Uniform6(1)\n      },\n      fragmentShader: shader_default9,\n      vertexShader: shader_default2,\n      blending: NoBlending6,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n};\n\n// src/materials/DepthComparisonMaterial.js\nimport { NoBlending as NoBlending7, PerspectiveCamera as PerspectiveCamera2, ShaderMaterial as ShaderMaterial7, Uniform as Uniform7 } from \"three\";\n\n// src/materials/glsl/depth-comparison/shader.frag\nvar shader_default10 = \"#include <packing>\\n#include <clipping_planes_pars_fragment>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float cameraNear;uniform float cameraFar;varying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include <clipping_planes_fragment>\\nvec2 projTexCoord=(vProjTexCoord.xy/vProjTexCoord.w)*0.5+0.5;projTexCoord=clamp(projTexCoord,0.002,0.998);float fragCoordZ=unpackRGBAToDepth(texture2D(depthBuffer,projTexCoord));\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#else\\nfloat viewZ=orthographicDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#endif\\nfloat depthTest=(-vViewZ>-viewZ)? 1.0 : 0.0;gl_FragColor.rg=vec2(0.0,depthTest);}\";\n\n// src/materials/glsl/depth-comparison/shader.vert\nvar shader_default11 = \"#include <common>\\n#include <morphtarget_pars_vertex>\\n#include <skinning_pars_vertex>\\n#include <clipping_planes_pars_vertex>\\nvarying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include <skinbase_vertex>\\n#include <begin_vertex>\\n#include <morphtarget_vertex>\\n#include <skinning_vertex>\\n#include <project_vertex>\\nvViewZ=mvPosition.z;vProjTexCoord=gl_Position;\\n#include <clipping_planes_vertex>\\n}\";\n\n// src/materials/DepthComparisonMaterial.js\nvar DepthComparisonMaterial = class extends ShaderMaterial7 {\n  constructor(depthTexture = null, camera) {\n    super({\n      type: \"DepthComparisonMaterial\",\n      uniforms: {\n        depthBuffer: new Uniform7(depthTexture),\n        cameraNear: new Uniform7(0.3),\n        cameraFar: new Uniform7(1e3)\n      },\n      fragmentShader: shader_default10,\n      vertexShader: shader_default11,\n      blending: NoBlending7,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.adoptCameraSettings(camera);\n  }\n  adoptCameraSettings(camera = null) {\n    if (camera !== null) {\n      this.uniforms.cameraNear.value = camera.near;\n      this.uniforms.cameraFar.value = camera.far;\n      if (camera instanceof PerspectiveCamera2) {\n        this.defines.PERSPECTIVE_CAMERA = \"1\";\n      } else {\n        delete this.defines.PERSPECTIVE_CAMERA;\n      }\n    }\n  }\n};\n\n// src/materials/DepthCopyMaterial.js\nimport { NoBlending as NoBlending8, ShaderMaterial as ShaderMaterial8, Uniform as Uniform8, Vector2 as Vector24 } from \"three\";\n\n// src/materials/glsl/depth-copy/shader.frag\nvar shader_default12 = \"#include <packing>\\n#if INPUT_DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#else\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#endif\\nvarying vec2 vUv;void main(){\\n#if INPUT_DEPTH_PACKING == OUTPUT_DEPTH_PACKING\\ngl_FragColor=texture2D(depthBuffer,vUv);\\n#else\\n#if INPUT_DEPTH_PACKING == 3201\\nfloat depth=unpackRGBAToDepth(texture2D(depthBuffer,vUv));gl_FragColor=vec4(vec3(depth),1.0);\\n#else\\nfloat depth=texture2D(depthBuffer,vUv).r;gl_FragColor=packDepthToRGBA(depth);\\n#endif\\n#endif\\n}\";\n\n// src/materials/glsl/depth-copy/shader.vert\nvar shader_default13 = \"varying vec2 vUv;\\n#if DEPTH_COPY_MODE == 1\\nuniform vec2 screenPosition;\\n#endif\\nvoid main(){\\n#if DEPTH_COPY_MODE == 1\\nvUv=screenPosition;\\n#else\\nvUv=position.xy*0.5+0.5;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthCopyMaterial.js\nvar DepthCopyMaterial = class extends ShaderMaterial8 {\n  constructor() {\n    super({\n      type: \"DepthCopyMaterial\",\n      defines: {\n        INPUT_DEPTH_PACKING: \"0\",\n        OUTPUT_DEPTH_PACKING: \"0\",\n        DEPTH_COPY_MODE: \"0\"\n      },\n      uniforms: {\n        depthBuffer: new Uniform8(null),\n        screenPosition: new Uniform8(new Vector24())\n      },\n      fragmentShader: shader_default12,\n      vertexShader: shader_default13,\n      blending: NoBlending8,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.mode = DepthCopyMode.FULL;\n  }\n  getInputDepthPacking() {\n    return Number(this.defines.INPUT_DEPTH_PACKING);\n  }\n  setInputDepthPacking(value) {\n    this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  getOutputDepthPacking() {\n    return Number(this.defines.OUTPUT_DEPTH_PACKING);\n  }\n  setOutputDepthPacking(value) {\n    this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  getMode() {\n    return this.mode;\n  }\n  setMode(value) {\n    this.mode = value;\n    this.defines.DEPTH_COPY_MODE = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n};\nvar DepthCopyMode = {\n  FULL: 0,\n  SINGLE: 1\n};\n\n// src/materials/DepthDownsamplingMaterial.js\nimport { NoBlending as NoBlending9, ShaderMaterial as ShaderMaterial9, Uniform as Uniform9, Vector2 as Vector25 } from \"three\";\n\n// src/materials/glsl/depth-downsampling/shader.frag\nvar shader_default14 = \"#include <packing>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#ifdef DOWNSAMPLE_NORMALS\\nuniform lowp sampler2D normalBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}int findBestDepth(const in float samples[4]){float c=(samples[0]+samples[1]+samples[2]+samples[3])/4.0;float distances[4];distances[0]=abs(c-samples[0]);distances[1]=abs(c-samples[1]);distances[2]=abs(c-samples[2]);distances[3]=abs(c-samples[3]);float maxDistance=max(max(distances[0],distances[1]),max(distances[2],distances[3]));int remaining[3];int rejected[3];int i,j,k;for(i=0,j=0,k=0;i<4;++i){if(distances[i]<maxDistance){remaining[j++]=i;}else{rejected[k++]=i;}}for(;j<3;++j){remaining[j]=rejected[--k];}vec3 s=vec3(samples[remaining[0]],samples[remaining[1]],samples[remaining[2]]);c=(s.x+s.y+s.z)/3.0;distances[0]=abs(c-s.x);distances[1]=abs(c-s.y);distances[2]=abs(c-s.z);float minDistance=min(distances[0],min(distances[1],distances[2]));for(i=0;i<3;++i){if(distances[i]==minDistance){break;}}return remaining[i];}void main(){float d[4];d[0]=readDepth(vUv0);d[1]=readDepth(vUv1);d[2]=readDepth(vUv2);d[3]=readDepth(vUv3);int index=findBestDepth(d);\\n#ifdef DOWNSAMPLE_NORMALS\\nvec2 uvs[4];uvs[0]=vUv0;uvs[1]=vUv1;uvs[2]=vUv2;uvs[3]=vUv3;vec3 n=texture2D(normalBuffer,uvs[index]).rgb;\\n#else\\nvec3 n=vec3(0.0);\\n#endif\\ngl_FragColor=vec4(n,d[index]);}\";\n\n// src/materials/glsl/depth-downsampling/shader.vert\nvar shader_default15 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=uv;vUv1=vec2(uv.x,uv.y+texelSize.y);vUv2=vec2(uv.x+texelSize.x,uv.y);vUv3=uv+texelSize;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthDownsamplingMaterial.js\nvar DepthDownsamplingMaterial = class extends ShaderMaterial9 {\n  constructor() {\n    super({\n      type: \"DepthDownsamplingMaterial\",\n      defines: {\n        DEPTH_PACKING: \"0\"\n      },\n      uniforms: {\n        depthBuffer: new Uniform9(null),\n        normalBuffer: new Uniform9(null),\n        texelSize: new Uniform9(new Vector25())\n      },\n      fragmentShader: shader_default14,\n      vertexShader: shader_default15,\n      blending: NoBlending9,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n  }\n};\n\n// src/materials/DepthMaskMaterial.js\nimport {\n  AlwaysDepth,\n  EqualDepth,\n  GreaterDepth,\n  GreaterEqualDepth,\n  LessDepth,\n  LessEqualDepth,\n  NeverDepth,\n  NoBlending as NoBlending10,\n  NotEqualDepth,\n  ShaderMaterial as ShaderMaterial10,\n  Uniform as Uniform10\n} from \"three\";\n\n// src/materials/glsl/depth-mask/shader.frag\nvar shader_default16 = \"#include <common>\\n#include <packing>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer0;uniform highp sampler2D depthBuffer1;\\n#else\\nuniform mediump sampler2D depthBuffer0;uniform mediump sampler2D depthBuffer1;\\n#endif\\nuniform sampler2D inputBuffer;uniform float bias0;uniform float bias1;varying vec2 vUv;void main(){vec2 depth;\\n#if DEPTH_PACKING_0 == 3201\\ndepth.x=unpackRGBAToDepth(texture2D(depthBuffer0,vUv));\\n#else\\ndepth.x=texture2D(depthBuffer0,vUv).r;\\n#endif\\n#if DEPTH_PACKING_1 == 3201\\ndepth.y=unpackRGBAToDepth(texture2D(depthBuffer1,vUv));\\n#else\\ndepth.y=texture2D(depthBuffer1,vUv).r;\\n#endif\\ndepth=clamp(depth+vec2(bias0,bias1),0.0,1.0);\\n#ifdef KEEP_FAR\\nbool keep=(depth.x==1.0)||depthTest(depth.x,depth.y);\\n#else\\nbool keep=(depth.x!=1.0)&&depthTest(depth.x,depth.y);\\n#endif\\nif(keep){gl_FragColor=texture2D(inputBuffer,vUv);}else{discard;}}\";\n\n// src/materials/DepthMaskMaterial.js\nvar DepthMaskMaterial = class extends ShaderMaterial10 {\n  constructor() {\n    super({\n      type: \"DepthMaskMaterial\",\n      defines: {\n        DEPTH_EPSILON: \"0.00001\",\n        DEPTH_PACKING_0: \"0\",\n        DEPTH_PACKING_1: \"0\",\n        KEEP_FAR: \"1\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform10(null),\n        depthBuffer0: new Uniform10(null),\n        depthBuffer1: new Uniform10(null),\n        bias0: new Uniform10(0),\n        bias1: new Uniform10(0)\n      },\n      fragmentShader: shader_default16,\n      vertexShader: shader_default2,\n      blending: NoBlending10,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.depthMode = LessDepth;\n    this.setDepthMode(LessDepth);\n  }\n  get keepFar() {\n    return this.defines.KEEP_FAR !== void 0;\n  }\n  set keepFar(value) {\n    if (value) {\n      this.defines.KEEP_FAR = \"1\";\n    } else {\n      delete this.defines.KEEP_FAR;\n    }\n    this.needsUpdate = true;\n  }\n  getEpsilon() {\n    return Number(this.defines.DEPTH_EPSILON);\n  }\n  setEpsilon(value) {\n    this.defines.DEPTH_EPSILON = value.toFixed(16);\n    this.needsUpdate = true;\n  }\n  getDepthMode() {\n    return this.depthMode;\n  }\n  setDepthMode(mode) {\n    let depthTest;\n    switch (mode) {\n      case NeverDepth:\n        depthTest = \"false\";\n        break;\n      case AlwaysDepth:\n        depthTest = \"true\";\n        break;\n      case EqualDepth:\n        depthTest = \"abs(d1 - d0) <= DEPTH_EPSILON\";\n        break;\n      case NotEqualDepth:\n        depthTest = \"abs(d1 - d0) > DEPTH_EPSILON\";\n        break;\n      case LessDepth:\n        depthTest = \"d0 > d1\";\n        break;\n      case LessEqualDepth:\n        depthTest = \"d0 >= d1\";\n        break;\n      case GreaterEqualDepth:\n        depthTest = \"d0 <= d1\";\n        break;\n      case GreaterDepth:\n      default:\n        depthTest = \"d0 < d1\";\n        break;\n    }\n    this.depthMode = mode;\n    this.defines[\"depthTest(d0, d1)\"] = depthTest;\n    this.needsUpdate = true;\n  }\n};\n\n// src/materials/EdgeDetectionMaterial.js\nimport { NoBlending as NoBlending11, ShaderMaterial as ShaderMaterial11, Uniform as Uniform11, Vector2 as Vector26 } from \"three\";\nvar EdgeDetectionMaterial = class extends ShaderMaterial11 {\n  constructor(texelSize = new Vector26(), mode = EdgeDetectionMode.COLOR) {\n    super({\n      type: \"EdgeDetectionMaterial\",\n      defines: {\n        LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n        EDGE_THRESHOLD: \"0.1\",\n        DEPTH_THRESHOLD: \"0.01\",\n        PREDICATION_MODE: \"0\",\n        PREDICATION_THRESHOLD: \"0.01\",\n        PREDICATION_SCALE: \"2.0\",\n        PREDICATION_STRENGTH: \"1.0\",\n        DEPTH_PACKING: \"0\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform11(null),\n        depthBuffer: new Uniform11(null),\n        predicationBuffer: new Uniform11(null),\n        texelSize: new Uniform11(texelSize)\n      },\n      fragmentShader: shader_default5,\n      vertexShader: shader_default6,\n      blending: NoBlending11,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.setEdgeDetectionMode(mode);\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setEdgeDetectionMode(mode) {\n    this.defines.EDGE_DETECTION_MODE = mode.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setLocalContrastAdaptationFactor(factor) {\n    this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = factor.toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n  setEdgeDetectionThreshold(threshold) {\n    this.defines.EDGE_THRESHOLD = threshold.toFixed(\"6\");\n    this.defines.DEPTH_THRESHOLD = (threshold * 0.1).toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n  setPredicationMode(mode) {\n    this.defines.PREDICATION_MODE = mode.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setPredicationBuffer(predicationBuffer) {\n    this.uniforms.predicationBuffer.value = predicationBuffer;\n  }\n  setPredicationThreshold(threshold) {\n    this.defines.PREDICATION_THRESHOLD = threshold.toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n  setPredicationScale(scale) {\n    this.defines.PREDICATION_SCALE = scale.toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n  setPredicationStrength(strength) {\n    this.defines.PREDICATION_STRENGTH = strength.toFixed(\"6\");\n    this.needsUpdate = true;\n  }\n};\nvar EdgeDetectionMode = {\n  DEPTH: 0,\n  LUMA: 1,\n  COLOR: 2\n};\nvar PredicationMode = {\n  DISABLED: 0,\n  DEPTH: 1,\n  CUSTOM: 2\n};\n\n// src/materials/EffectMaterial.js\nimport { NoBlending as NoBlending12, PerspectiveCamera as PerspectiveCamera3, ShaderMaterial as ShaderMaterial12, Uniform as Uniform12, Vector2 as Vector27 } from \"three\";\n\n// src/materials/glsl/effect/shader.frag\nvar shader_default17 = \"#include <common>\\n#include <packing>\\n#include <dithering_pars_fragment>\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}FRAGMENT_HEADvoid main(){FRAGMENT_MAIN_UVvec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGEgl_FragColor=color0;\\n#ifdef ENCODE_OUTPUT\\n#include <encodings_fragment>\\n#endif\\n#include <dithering_fragment>\\n}\";\n\n// src/materials/glsl/effect/shader.vert\nvar shader_default18 = \"uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EffectMaterial.js\nvar EffectMaterial = class extends ShaderMaterial12 {\n  constructor(shaderParts = null, defines = null, uniforms = null, camera, dithering = false) {\n    super({\n      type: \"EffectMaterial\",\n      defines: {\n        DEPTH_PACKING: \"0\",\n        ENCODE_OUTPUT: \"1\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform12(null),\n        depthBuffer: new Uniform12(null),\n        resolution: new Uniform12(new Vector27()),\n        texelSize: new Uniform12(new Vector27()),\n        cameraNear: new Uniform12(0.3),\n        cameraFar: new Uniform12(1e3),\n        aspect: new Uniform12(1),\n        time: new Uniform12(0)\n      },\n      blending: NoBlending12,\n      depthWrite: false,\n      depthTest: false,\n      dithering\n    });\n    this.toneMapped = false;\n    if (shaderParts !== null) {\n      this.setShaderParts(shaderParts);\n    }\n    if (defines !== null) {\n      this.setDefines(defines);\n    }\n    if (uniforms !== null) {\n      this.setUniforms(uniforms);\n    }\n    this.adoptCameraSettings(camera);\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setShaderParts(shaderParts) {\n    this.fragmentShader = shader_default17.replace(Section.FRAGMENT_HEAD, shaderParts.get(Section.FRAGMENT_HEAD)).replace(Section.FRAGMENT_MAIN_UV, shaderParts.get(Section.FRAGMENT_MAIN_UV)).replace(Section.FRAGMENT_MAIN_IMAGE, shaderParts.get(Section.FRAGMENT_MAIN_IMAGE));\n    this.vertexShader = shader_default18.replace(Section.VERTEX_HEAD, shaderParts.get(Section.VERTEX_HEAD)).replace(Section.VERTEX_MAIN_SUPPORT, shaderParts.get(Section.VERTEX_MAIN_SUPPORT));\n    this.needsUpdate = true;\n    return this;\n  }\n  setDefines(defines) {\n    for (const entry of defines.entries()) {\n      this.defines[entry[0]] = entry[1];\n    }\n    this.needsUpdate = true;\n    return this;\n  }\n  setUniforms(uniforms) {\n    for (const entry of uniforms.entries()) {\n      this.uniforms[entry[0]] = entry[1];\n    }\n    return this;\n  }\n  adoptCameraSettings(camera = null) {\n    if (camera !== null) {\n      this.uniforms.cameraNear.value = camera.near;\n      this.uniforms.cameraFar.value = camera.far;\n      if (camera instanceof PerspectiveCamera3) {\n        this.defines.PERSPECTIVE_CAMERA = \"1\";\n      } else {\n        delete this.defines.PERSPECTIVE_CAMERA;\n      }\n      this.needsUpdate = true;\n    }\n  }\n  setSize(width, height) {\n    const w = Math.max(width, 1);\n    const h = Math.max(height, 1);\n    this.uniforms.resolution.value.set(w, h);\n    this.uniforms.texelSize.value.set(1 / w, 1 / h);\n    this.uniforms.aspect.value = w / h;\n  }\n};\nvar Section = {\n  FRAGMENT_HEAD: \"FRAGMENT_HEAD\",\n  FRAGMENT_MAIN_UV: \"FRAGMENT_MAIN_UV\",\n  FRAGMENT_MAIN_IMAGE: \"FRAGMENT_MAIN_IMAGE\",\n  VERTEX_HEAD: \"VERTEX_HEAD\",\n  VERTEX_MAIN_SUPPORT: \"VERTEX_MAIN_SUPPORT\"\n};\n\n// src/materials/GodRaysMaterial.js\nimport { NoBlending as NoBlending13, ShaderMaterial as ShaderMaterial13, Uniform as Uniform13 } from \"three\";\n\n// src/materials/glsl/god-rays/shader.frag\nvar shader_default19 = \"#include <common>\\n#include <dithering_pars_fragment>\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 lightPosition;uniform float exposure;uniform float decay;uniform float density;uniform float weight;uniform float clampMax;varying vec2 vUv;void main(){vec2 coord=vUv;vec2 delta=lightPosition-coord;delta*=1.0/SAMPLES_FLOAT*density;float illuminationDecay=1.0;vec4 color=vec4(0.0);for(int i=0;i<SAMPLES_INT;++i){coord+=delta;vec4 texel=texture2D(inputBuffer,coord);texel*=illuminationDecay*weight;color+=texel;illuminationDecay*=decay;}gl_FragColor=clamp(color*exposure,0.0,clampMax);\\n#include <dithering_fragment>\\n}\";\n\n// src/materials/GodRaysMaterial.js\nvar GodRaysMaterial = class extends ShaderMaterial13 {\n  constructor(lightPosition) {\n    super({\n      type: \"GodRaysMaterial\",\n      defines: {\n        SAMPLES_INT: \"60\",\n        SAMPLES_FLOAT: \"60.0\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform13(null),\n        lightPosition: new Uniform13(lightPosition),\n        density: new Uniform13(1),\n        decay: new Uniform13(1),\n        weight: new Uniform13(1),\n        exposure: new Uniform13(1),\n        clampMax: new Uniform13(1)\n      },\n      fragmentShader: shader_default19,\n      vertexShader: shader_default2,\n      blending: NoBlending13,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n  get samples() {\n    return Number(this.defines.SAMPLES_INT);\n  }\n  set samples(value) {\n    const s = Math.floor(value);\n    this.defines.SAMPLES_INT = s.toFixed(0);\n    this.defines.SAMPLES_FLOAT = s.toFixed(1);\n    this.needsUpdate = true;\n  }\n};\n\n// src/materials/LuminanceMaterial.js\nimport { NoBlending as NoBlending14, ShaderMaterial as ShaderMaterial14, Uniform as Uniform14, Vector2 as Vector28 } from \"three\";\n\n// src/materials/glsl/luminance/shader.frag\nvar shader_default20 = \"#include <common>\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef RANGE\\nuniform vec2 range;\\n#elif defined(THRESHOLD)\\nuniform float threshold;uniform float smoothing;\\n#endif\\nvarying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=linearToRelativeLuminance(texel.rgb);\\n#ifdef RANGE\\nfloat low=step(range.x,l);float high=step(l,range.y);l*=low*high;\\n#elif defined(THRESHOLD)\\nl=smoothstep(threshold,threshold+smoothing,l);\\n#endif\\n#ifdef COLOR\\ngl_FragColor=vec4(texel.rgb*l,l);\\n#else\\ngl_FragColor=vec4(l);\\n#endif\\n}\";\n\n// src/materials/LuminanceMaterial.js\nvar LuminanceMaterial = class extends ShaderMaterial14 {\n  constructor(colorOutput = false, luminanceRange = null) {\n    const useRange = luminanceRange !== null;\n    super({\n      type: \"LuminanceMaterial\",\n      uniforms: {\n        inputBuffer: new Uniform14(null),\n        threshold: new Uniform14(0),\n        smoothing: new Uniform14(1),\n        range: new Uniform14(useRange ? luminanceRange : new Vector28())\n      },\n      fragmentShader: shader_default20,\n      vertexShader: shader_default2,\n      blending: NoBlending14,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.colorOutput = colorOutput;\n    this.useThreshold = true;\n    this.useRange = useRange;\n  }\n  get threshold() {\n    return this.uniforms.threshold.value;\n  }\n  set threshold(value) {\n    this.uniforms.threshold.value = value;\n  }\n  get smoothing() {\n    return this.uniforms.smoothing.value;\n  }\n  set smoothing(value) {\n    this.uniforms.smoothing.value = value;\n  }\n  get useThreshold() {\n    return this.defines.THRESHOLD !== void 0;\n  }\n  set useThreshold(value) {\n    if (value) {\n      this.defines.THRESHOLD = \"1\";\n    } else {\n      delete this.defines.THRESHOLD;\n    }\n    this.needsUpdate = true;\n  }\n  get colorOutput() {\n    return this.defines.COLOR !== void 0;\n  }\n  set colorOutput(value) {\n    if (value) {\n      this.defines.COLOR = \"1\";\n    } else {\n      delete this.defines.COLOR;\n    }\n    this.needsUpdate = true;\n  }\n  setColorOutputEnabled(enabled) {\n    this.colorOutput = enabled;\n  }\n  get useRange() {\n    return this.defines.RANGE !== void 0;\n  }\n  set useRange(value) {\n    if (value) {\n      this.defines.RANGE = \"1\";\n    } else {\n      delete this.defines.RANGE;\n    }\n    this.needsUpdate = true;\n  }\n  get luminanceRange() {\n    return this.useRange;\n  }\n  set luminanceRange(value) {\n    this.useRange = value;\n  }\n  setLuminanceRangeEnabled(enabled) {\n    this.useRange = enabled;\n  }\n};\n\n// src/materials/MaskMaterial.js\nimport { NoBlending as NoBlending15, ShaderMaterial as ShaderMaterial15, Uniform as Uniform15, UnsignedByteType } from \"three\";\n\n// src/materials/glsl/mask/shader.frag\nvar shader_default21 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef MASK_PRECISION_HIGH\\nuniform mediump sampler2D maskTexture;\\n#else\\nuniform lowp sampler2D maskTexture;\\n#endif\\n#if MASK_FUNCTION != 0\\nuniform float strength;\\n#endif\\nvarying vec2 vUv;void main(){\\n#if COLOR_CHANNEL == 0\\nfloat mask=texture2D(maskTexture,vUv).r;\\n#elif COLOR_CHANNEL == 1\\nfloat mask=texture2D(maskTexture,vUv).g;\\n#elif COLOR_CHANNEL == 2\\nfloat mask=texture2D(maskTexture,vUv).b;\\n#else\\nfloat mask=texture2D(maskTexture,vUv).a;\\n#endif\\n#if MASK_FUNCTION == 0\\n#ifdef INVERTED\\nmask=step(mask,0.0);\\n#else\\nmask=1.0-step(mask,0.0);\\n#endif\\n#else\\nmask=clamp(mask*strength,0.0,1.0);\\n#ifdef INVERTED\\nmask=1.0-mask;\\n#endif\\n#endif\\n#if MASK_FUNCTION == 2\\ngl_FragColor=vec4(mask*texture2D(inputBuffer,vUv).rgb,mask);\\n#else\\ngl_FragColor=mask*texture2D(inputBuffer,vUv);\\n#endif\\n}\";\n\n// src/materials/MaskMaterial.js\nvar MaskMaterial = class extends ShaderMaterial15 {\n  constructor(maskTexture = null) {\n    super({\n      type: \"MaskMaterial\",\n      uniforms: {\n        maskTexture: new Uniform15(maskTexture),\n        inputBuffer: new Uniform15(null),\n        strength: new Uniform15(1)\n      },\n      fragmentShader: shader_default21,\n      vertexShader: shader_default2,\n      blending: NoBlending15,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.colorChannel = ColorChannel.RED;\n    this.maskFunction = MaskFunction.DISCARD;\n  }\n  set maskTexture(value) {\n    this.uniforms.maskTexture.value = value;\n    delete this.defines.MASK_PRECISION_HIGH;\n    if (value.type !== UnsignedByteType) {\n      this.defines.MASK_PRECISION_HIGH = \"1\";\n    }\n    this.needsUpdate = true;\n  }\n  set colorChannel(value) {\n    this.defines.COLOR_CHANNEL = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  set maskFunction(value) {\n    this.defines.MASK_FUNCTION = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  get inverted() {\n    return this.defines.INVERTED !== void 0;\n  }\n  set inverted(value) {\n    if (this.inverted && !value) {\n      delete this.defines.INVERTED;\n    } else if (value) {\n      this.defines.INVERTED = \"1\";\n    }\n    this.needsUpdate = true;\n  }\n  get strength() {\n    return this.uniforms.strength.value;\n  }\n  set strength(value) {\n    this.uniforms.strength.value = value;\n  }\n};\nvar MaskFunction = {\n  DISCARD: 0,\n  MULTIPLY: 1,\n  MULTIPLY_RGB_SET_ALPHA: 2\n};\n\n// src/materials/OutlineMaterial.js\nimport { NoBlending as NoBlending16, ShaderMaterial as ShaderMaterial16, Uniform as Uniform16, Vector2 as Vector29 } from \"three\";\n\n// src/materials/glsl/outline/shader.frag\nvar shader_default22 = \"uniform lowp sampler2D inputBuffer;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 c0=texture2D(inputBuffer,vUv0).rg;vec2 c1=texture2D(inputBuffer,vUv1).rg;vec2 c2=texture2D(inputBuffer,vUv2).rg;vec2 c3=texture2D(inputBuffer,vUv3).rg;float d0=(c0.x-c1.x)*0.5;float d1=(c2.x-c3.x)*0.5;float d=length(vec2(d0,d1));float a0=min(c0.y,c1.y);float a1=min(c2.y,c3.y);float visibilityFactor=min(a0,a1);gl_FragColor.rg=(1.0-visibilityFactor>0.001)? vec2(d,0.0): vec2(0.0,d);}\";\n\n// src/materials/glsl/outline/shader.vert\nvar shader_default23 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=vec2(uv.x+texelSize.x,uv.y);vUv1=vec2(uv.x-texelSize.x,uv.y);vUv2=vec2(uv.x,uv.y+texelSize.y);vUv3=vec2(uv.x,uv.y-texelSize.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/OutlineMaterial.js\nvar OutlineMaterial = class extends ShaderMaterial16 {\n  constructor(texelSize = new Vector29()) {\n    super({\n      type: \"OutlineMaterial\",\n      uniforms: {\n        inputBuffer: new Uniform16(null),\n        texelSize: new Uniform16(new Vector29())\n      },\n      fragmentShader: shader_default22,\n      vertexShader: shader_default23,\n      blending: NoBlending16,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.setTexelSize(texelSize.x, texelSize.y);\n    this.uniforms.maskTexture = this.uniforms.inputBuffer;\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n  }\n};\nvar OutlineEdgesMaterial = OutlineMaterial;\n\n// src/materials/SMAAWeightsMaterial.js\nimport { NoBlending as NoBlending17, ShaderMaterial as ShaderMaterial17, Uniform as Uniform17, Vector2 as Vector210 } from \"three\";\n\n// src/materials/glsl/smaa-weights/shader.frag\nvar shader_default24 = \"#define sampleLevelZeroOffset(t, coord, offset) texture2D(t, coord + offset * texelSize)\\n#if __VERSION__ < 300\\n#define round(v) floor(v + 0.5)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D areaTexture;uniform lowp sampler2D searchTexture;uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}vec2 decodeDiagBilinearAccess(in vec2 e){e.r=e.r*abs(5.0*e.r-5.0*0.75);return round(e);}vec4 decodeDiagBilinearAccess(in vec4 e){e.rb=e.rb*abs(5.0*e.rb-5.0*0.75);return round(e);}vec2 searchDiag1(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);vec3 t=vec3(texelSize,1.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(coord.z<float(MAX_SEARCH_STEPS_DIAG_INT-1)&&coord.w>0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 searchDiag2(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);coord.x+=0.25*texelSize.x;vec3 t=vec3(texelSize,1.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(coord.z<float(MAX_SEARCH_STEPS_DIAG_INT-1)&&coord.w>0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;e=decodeDiagBilinearAccess(e);coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 areaDiag(const in vec2 dist,const in vec2 e,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE_DIAG,AREATEX_MAX_DISTANCE_DIAG)*e+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.x+=0.5;texCoord.y+=AREATEX_SUBTEX_SIZE*offset;return texture2D(areaTexture,texCoord).rg;}vec2 calculateDiagWeights(const in vec2 texCoord,const in vec2 e,const in vec4 subsampleIndices){vec2 weights=vec2(0.0);vec4 d;vec2 end;if(e.r>0.0){d.xz=searchDiag1(texCoord,vec2(-1.0,1.0),end);d.x+=float(end.y>0.9);}else{d.xz=vec2(0.0);}d.yw=searchDiag1(texCoord,vec2(1.0,-1.0),end);if(d.x+d.y>2.0){vec4 coords=vec4(-d.x+0.25,d.x,d.y,-d.y-0.25)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.xy=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).rg;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).rg;c.yxwz=decodeDiagBilinearAccess(c.xyzw);vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.z);}d.xz=searchDiag2(texCoord,vec2(-1.0,-1.0),end);if(sampleLevelZeroOffset(inputBuffer,texCoord,vec2(1,0)).r>0.0){d.yw=searchDiag2(texCoord,vec2(1.0),end);d.y+=float(end.y>0.9);}else{d.yw=vec2(0.0);}if(d.x+d.y>2.0){vec4 coords=vec4(-d.x,-d.x,d.y,d.y)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.x=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).g;c.y=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(0,-1)).r;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).gr;vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.w).gr;}return weights;}float searchLength(const in vec2 e,const in float offset){vec2 scale=SEARCHTEX_SIZE*vec2(0.5,-1.0);vec2 bias=SEARCHTEX_SIZE*vec2(offset,1.0);scale+=vec2(-1.0,1.0);bias+=vec2(0.5,-0.5);scale*=1.0/SEARCHTEX_PACKED_SIZE;bias*=1.0/SEARCHTEX_PACKED_SIZE;return texture2D(searchTexture,scale*e+bias).r;}float searchXLeft(in vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(texCoord.x>end&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(-2.0,0.0)*texelSize+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.0)+3.25;return texelSize.x*offset+texCoord.x;}float searchXRight(vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(texCoord.x<end&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(2.0,0.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.5)+3.25;return-texelSize.x*offset+texCoord.x;}float searchYUp(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;++i){if(!(texCoord.y>end&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=-vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.0)+3.25;return texelSize.y*offset+texCoord.y;}float searchYDown(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i<MAX_SEARCH_STEPS_INT;i++){if(!(texCoord.y<end&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.5)+3.25;return-texelSize.y*offset+texCoord.y;}vec2 area(const in vec2 dist,const in float e1,const in float e2,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE)*round(4.0*vec2(e1,e2))+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.y=AREATEX_SUBTEX_SIZE*offset+texCoord.y;return texture2D(areaTexture,texCoord).rg;}void detectHorizontalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,1)).r;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).r;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,-2)).r;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,-2)).r;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void detectVerticalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(1,0)).g;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).g;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(-2,0)).g;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(-2,1)).g;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void main(){vec4 weights=vec4(0.0);vec4 subsampleIndices=vec4(0.0);vec2 e=texture2D(inputBuffer,vUv).rg;if(e.g>0.0){\\n#if !defined(DISABLE_DIAG_DETECTION)\\nweights.rg=calculateDiagWeights(vUv,e,subsampleIndices);if(weights.r==-weights.g){\\n#endif\\nvec2 d;vec3 coords;coords.x=searchXLeft(vOffset[0].xy,vOffset[2].x);coords.y=vOffset[1].y;d.x=coords.x;float e1=texture2D(inputBuffer,coords.xy).r;coords.z=searchXRight(vOffset[0].zw,vOffset[2].y);d.y=coords.z;d=round(resolution.xx*d+-vPixCoord.xx);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.zy,vec2(1,0)).r;weights.rg=area(sqrtD,e1,e2,subsampleIndices.y);coords.y=vUv.y;detectHorizontalCornerPattern(weights.rg,coords.xyzy,d);\\n#if !defined(DISABLE_DIAG_DETECTION)\\n}else{e.r=0.0;}\\n#endif\\n}if(e.r>0.0){vec2 d;vec3 coords;coords.y=searchYUp(vOffset[1].xy,vOffset[2].z);coords.x=vOffset[0].x;d.x=coords.y;float e1=texture2D(inputBuffer,coords.xy).g;coords.z=searchYDown(vOffset[1].zw,vOffset[2].w);d.y=coords.z;d=round(resolution.yy*d-vPixCoord.yy);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.xz,vec2(0,1)).g;weights.ba=area(sqrtD,e1,e2,subsampleIndices.x);coords.x=vUv.x;detectVerticalCornerPattern(weights.ba,coords.xyxz,d);}gl_FragColor=weights;}\";\n\n// src/materials/glsl/smaa-weights/shader.vert\nvar shader_default25 = \"uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void main(){vUv=position.xy*0.5+0.5;vPixCoord=vUv*resolution;vOffset[0]=vUv.xyxy+texelSize.xyxy*vec4(-0.25,-0.125,1.25,-0.125);vOffset[1]=vUv.xyxy+texelSize.xyxy*vec4(-0.125,-0.25,-0.125,1.25);vOffset[2]=vec4(vOffset[0].xz,vOffset[1].yw)+vec4(-2.0,2.0,-2.0,2.0)*texelSize.xxyy*MAX_SEARCH_STEPS_FLOAT;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SMAAWeightsMaterial.js\nvar SMAAWeightsMaterial = class extends ShaderMaterial17 {\n  constructor(texelSize = new Vector210(), resolution = new Vector210()) {\n    super({\n      type: \"SMAAWeightsMaterial\",\n      defines: {\n        MAX_SEARCH_STEPS_INT: \"16\",\n        MAX_SEARCH_STEPS_FLOAT: \"16.0\",\n        MAX_SEARCH_STEPS_DIAG_INT: \"8\",\n        MAX_SEARCH_STEPS_DIAG_FLOAT: \"8.0\",\n        CORNER_ROUNDING: \"25\",\n        CORNER_ROUNDING_NORM: \"0.25\",\n        AREATEX_MAX_DISTANCE: \"16.0\",\n        AREATEX_MAX_DISTANCE_DIAG: \"20.0\",\n        AREATEX_PIXEL_SIZE: \"(1.0 / vec2(160.0, 560.0))\",\n        AREATEX_SUBTEX_SIZE: \"(1.0 / 7.0)\",\n        SEARCHTEX_SIZE: \"vec2(66.0, 33.0)\",\n        SEARCHTEX_PACKED_SIZE: \"vec2(64.0, 16.0)\"\n      },\n      uniforms: {\n        inputBuffer: new Uniform17(null),\n        areaTexture: new Uniform17(null),\n        searchTexture: new Uniform17(null),\n        texelSize: new Uniform17(texelSize),\n        resolution: new Uniform17(resolution)\n      },\n      fragmentShader: shader_default24,\n      vertexShader: shader_default25,\n      blending: NoBlending17,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n  }\n  setOrthogonalSearchSteps(steps) {\n    const s = Math.min(Math.max(steps, 0), 112);\n    this.defines.MAX_SEARCH_STEPS_INT = s.toFixed(\"0\");\n    this.defines.MAX_SEARCH_STEPS_FLOAT = s.toFixed(\"1\");\n    this.needsUpdate = true;\n  }\n  setDiagonalSearchSteps(steps) {\n    const s = Math.min(Math.max(steps, 0), 20);\n    this.defines.MAX_SEARCH_STEPS_DIAG_INT = s.toFixed(\"0\");\n    this.defines.MAX_SEARCH_STEPS_DIAG_FLOAT = s.toFixed(\"1\");\n    this.needsUpdate = true;\n  }\n  setCornerRounding(rounding) {\n    const r = Math.min(Math.max(rounding, 0), 100);\n    this.defines.CORNER_ROUNDING = r.toFixed(\"4\");\n    this.defines.CORNER_ROUNDING_NORM = (r / 100).toFixed(\"4\");\n    this.needsUpdate = true;\n  }\n  get diagonalDetection() {\n    return this.defines.DISABLE_DIAG_DETECTION === void 0;\n  }\n  set diagonalDetection(value) {\n    if (value) {\n      delete this.defines.DISABLE_DIAG_DETECTION;\n    } else {\n      this.defines.DISABLE_DIAG_DETECTION = \"1\";\n    }\n    this.needsUpdate = true;\n  }\n  get cornerRounding() {\n    return this.defines.DISABLE_CORNER_DETECTION === void 0;\n  }\n  set cornerRounding(value) {\n    if (value) {\n      delete this.defines.DISABLE_CORNER_DETECTION;\n    } else {\n      this.defines.DISABLE_CORNER_DETECTION = \"1\";\n    }\n    this.needsUpdate = true;\n  }\n};\n\n// src/materials/SSAOMaterial.js\nimport {\n  Matrix4,\n  NoBlending as NoBlending18,\n  PerspectiveCamera as PerspectiveCamera4,\n  ShaderMaterial as ShaderMaterial18,\n  Uniform as Uniform18,\n  Vector2 as Vector211\n} from \"three\";\n\n// src/materials/glsl/ssao/shader.frag\nvar shader_default26 = \"#include <common>\\n#include <packing>\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#ifndef NORMAL_DEPTH\\nuniform lowp sampler2D normalBuffer;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(normalDepthBuffer,uv));\\n#else\\nreturn texture2D(normalDepthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nuniform lowp sampler2D noiseTexture;uniform mat4 inverseProjectionMatrix;uniform mat4 projectionMatrix;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float minRadiusScale;uniform float intensity;uniform float fade;uniform float bias;uniform vec2 distanceCutoff;uniform vec2 proximityCutoff;varying vec2 vUv;varying vec2 vUv2;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}vec3 getViewPosition(const in vec2 screenPosition,const in float depth,const in float viewZ){vec4 clipPosition=vec4(vec3(screenPosition,depth)*2.0-1.0,1.0);float clipW=projectionMatrix[2][3]*viewZ+projectionMatrix[3][3];clipPosition*=clipW;return(inverseProjectionMatrix*clipPosition).xyz;}float getAmbientOcclusion(const in vec3 p,const in vec3 n,const in float depth,const in vec2 uv){\\n#ifdef DISTANCE_SCALING\\nfloat radiusScale=1.0-smoothstep(0.0,distanceCutoff.y,depth);radiusScale=radiusScale*(1.0-minRadiusScale)+minRadiusScale;float radius=RADIUS*radiusScale;\\n#else\\nfloat radius=RADIUS;\\n#endif\\nfloat noise=texture2D(noiseTexture,vUv2).r;float baseAngle=noise*PI2;float invSamples=1.0/SAMPLES_FLOAT;float rings=SPIRAL_TURNS*PI2;float occlusion=0.0;int taps=0;for(int i=0;i<SAMPLES_INT;++i){float alpha=(float(i)+0.5)*invSamples;float angle=alpha*rings+baseAngle;vec2 coord=alpha*radius*vec2(cos(angle),sin(angle))*texelSize+uv;if(coord.s<0.0||coord.s>1.0||coord.t<0.0||coord.t>1.0){continue;}\\n#ifdef NORMAL_DEPTH\\nfloat sampleDepth=texture2D(normalDepthBuffer,coord).a;\\n#else\\nfloat sampleDepth=readDepth(coord);\\n#endif\\nfloat viewZ=getViewZ(sampleDepth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearSampleDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearSampleDepth=sampleDepth;\\n#endif\\nfloat proximity=abs(depth-linearSampleDepth);if(proximity<proximityCutoff.y){float falloff=1.0-smoothstep(proximityCutoff.x,proximityCutoff.y,proximity);vec3 Q=getViewPosition(coord,sampleDepth,viewZ);vec3 v=Q-p;float vv=dot(v,v);float vn=dot(v,n)-bias;float f=max(RADIUS_SQ-vv,0.0)/RADIUS_SQ;occlusion+=(f*f*f*max(vn/(fade+vv),0.0))*falloff;}++taps;}return occlusion/(4.0*max(float(taps),1.0));}void main(){\\n#ifdef NORMAL_DEPTH\\nvec4 normalDepth=texture2D(normalDepthBuffer,vUv);\\n#else\\nvec4 normalDepth=vec4(texture2D(normalBuffer,vUv).rgb,readDepth(vUv));\\n#endif\\nfloat ao=1.0;float depth=normalDepth.a;float viewZ=getViewZ(depth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nif(linearDepth<distanceCutoff.y){vec3 viewPosition=getViewPosition(vUv,depth,viewZ);vec3 viewNormal=unpackRGBToNormal(normalDepth.rgb);ao-=getAmbientOcclusion(viewPosition,viewNormal,linearDepth,vUv);float d=smoothstep(distanceCutoff.x,distanceCutoff.y,linearDepth);ao=mix(ao,1.0,d);ao=clamp(pow(ao,abs(intensity)),0.0,1.0);}gl_FragColor.r=ao;}\";\n\n// src/materials/glsl/ssao/shader.vert\nvar shader_default27 = \"uniform vec2 noiseScale;varying vec2 vUv;varying vec2 vUv2;void main(){vUv=position.xy*0.5+0.5;vUv2=vUv*noiseScale;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SSAOMaterial.js\nvar SSAOMaterial = class extends ShaderMaterial18 {\n  constructor(camera) {\n    super({\n      type: \"SSAOMaterial\",\n      defines: {\n        SAMPLES_INT: \"0\",\n        SAMPLES_FLOAT: \"0.0\",\n        SPIRAL_TURNS: \"0.0\",\n        RADIUS: \"1.0\",\n        RADIUS_SQ: \"1.0\",\n        DISTANCE_SCALING: \"1\",\n        DEPTH_PACKING: \"0\"\n      },\n      uniforms: {\n        normalBuffer: new Uniform18(null),\n        normalDepthBuffer: new Uniform18(null),\n        noiseTexture: new Uniform18(null),\n        inverseProjectionMatrix: new Uniform18(new Matrix4()),\n        projectionMatrix: new Uniform18(new Matrix4()),\n        texelSize: new Uniform18(new Vector211()),\n        cameraNear: new Uniform18(0),\n        cameraFar: new Uniform18(0),\n        distanceCutoff: new Uniform18(new Vector211()),\n        proximityCutoff: new Uniform18(new Vector211()),\n        noiseScale: new Uniform18(new Vector211()),\n        minRadiusScale: new Uniform18(0.33),\n        intensity: new Uniform18(1),\n        fade: new Uniform18(0.01),\n        bias: new Uniform18(0)\n      },\n      fragmentShader: shader_default26,\n      vertexShader: shader_default27,\n      blending: NoBlending18,\n      depthWrite: false,\n      depthTest: false\n    });\n    this.toneMapped = false;\n    this.adoptCameraSettings(camera);\n  }\n  get depthPacking() {\n    return Number(this.defines.DEPTH_PACKING);\n  }\n  set depthPacking(value) {\n    this.defines.DEPTH_PACKING = value.toFixed(0);\n    this.needsUpdate = true;\n  }\n  setTexelSize(x, y) {\n    this.uniforms.texelSize.value.set(x, y);\n  }\n  adoptCameraSettings(camera = null) {\n    if (camera !== null) {\n      const uniforms = this.uniforms;\n      uniforms.cameraNear.value = camera.near;\n      uniforms.cameraFar.value = camera.far;\n      if (camera instanceof PerspectiveCamera4) {\n        this.defines.PERSPECTIVE_CAMERA = \"1\";\n      } else {\n        delete this.defines.PERSPECTIVE_CAMERA;\n      }\n      this.needsUpdate = true;\n    }\n  }\n};\n\n// src/passes/Pass.js\nimport {\n  BufferAttribute,\n  BufferGeometry,\n  Camera,\n  Mesh,\n  Scene\n} from \"three\";\nvar dummyCamera = new Camera();\nvar geometry = null;\nfunction getFullscreenTriangle() {\n  if (geometry === null) {\n    const vertices = new Float32Array([-1, -1, 0, 3, -1, 0, -1, 3, 0]);\n    const uvs = new Float32Array([0, 0, 2, 0, 0, 2]);\n    geometry = new BufferGeometry();\n    if (geometry.setAttribute !== void 0) {\n      geometry.setAttribute(\"position\", new BufferAttribute(vertices, 3));\n      geometry.setAttribute(\"uv\", new BufferAttribute(uvs, 2));\n    } else {\n      geometry.addAttribute(\"position\", new BufferAttribute(vertices, 3));\n      geometry.addAttribute(\"uv\", new BufferAttribute(uvs, 2));\n    }\n  }\n  return geometry;\n}\nvar Pass = class {\n  constructor(name = \"Pass\", scene = new Scene(), camera = dummyCamera) {\n    this.name = name;\n    this.scene = scene;\n    this.camera = camera;\n    this.screen = null;\n    this.rtt = true;\n    this.needsSwap = true;\n    this.needsDepthTexture = false;\n    this.enabled = true;\n  }\n  get renderToScreen() {\n    return !this.rtt;\n  }\n  set renderToScreen(value) {\n    if (this.rtt === value) {\n      const material = this.getFullscreenMaterial();\n      if (material !== null) {\n        material.needsUpdate = true;\n      }\n      this.rtt = !value;\n    }\n  }\n  getFullscreenMaterial() {\n    return this.screen !== null ? this.screen.material : null;\n  }\n  setFullscreenMaterial(material) {\n    let screen = this.screen;\n    if (screen !== null) {\n      screen.material = material;\n    } else {\n      screen = new Mesh(getFullscreenTriangle(), material);\n      screen.frustumCulled = false;\n      if (this.scene === null) {\n        this.scene = new Scene();\n      }\n      this.scene.add(screen);\n      this.screen = screen;\n    }\n  }\n  getDepthTexture() {\n    return null;\n  }\n  setDepthTexture(depthTexture, depthPacking = 0) {\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    throw new Error(\"Render method not implemented!\");\n  }\n  setSize(width, height) {\n  }\n  initialize(renderer, alpha, frameBufferType) {\n  }\n  dispose() {\n    const material = this.getFullscreenMaterial();\n    if (material !== null) {\n      material.dispose();\n    }\n    for (const key of Object.keys(this)) {\n      const property = this[key];\n      if (property !== null && typeof property.dispose === \"function\") {\n        if (property instanceof Scene) {\n          continue;\n        }\n        this[key].dispose();\n      }\n    }\n  }\n};\n\n// src/passes/SavePass.js\nimport {\n  LinearFilter,\n  RGBFormat,\n  UnsignedByteType as UnsignedByteType2,\n  WebGLRenderTarget\n} from \"three\";\nvar SavePass = class extends Pass {\n  constructor(renderTarget, resize = true) {\n    super(\"SavePass\");\n    this.setFullscreenMaterial(new CopyMaterial());\n    this.needsSwap = false;\n    this.renderTarget = renderTarget;\n    if (renderTarget === void 0) {\n      this.renderTarget = new WebGLRenderTarget(1, 1, {\n        minFilter: LinearFilter,\n        magFilter: LinearFilter,\n        stencilBuffer: false,\n        depthBuffer: false\n      });\n      this.renderTarget.texture.name = \"SavePass.Target\";\n    }\n    this.resize = resize;\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.inputBuffer.value = inputBuffer.texture;\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n    renderer.render(this.scene, this.camera);\n  }\n  setSize(width, height) {\n    if (this.resize) {\n      const w = Math.max(width, 1);\n      const h = Math.max(height, 1);\n      this.renderTarget.setSize(w, h);\n    }\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (!alpha && frameBufferType === UnsignedByteType2) {\n      this.renderTarget.texture.format = RGBFormat;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTarget.texture.type = frameBufferType;\n      if (frameBufferType !== UnsignedByteType2) {\n        const material = this.getFullscreenMaterial();\n        material.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n      }\n    }\n  }\n};\n\n// src/passes/AdaptiveLuminancePass.js\nvar AdaptiveLuminancePass = class extends Pass {\n  constructor(luminanceBuffer, {\n    minLuminance = 0.01,\n    adaptationRate = 1\n  } = {}) {\n    super(\"AdaptiveLuminancePass\");\n    this.setFullscreenMaterial(new AdaptiveLuminanceMaterial());\n    this.needsSwap = false;\n    this.renderTargetPrevious = new WebGLRenderTarget2(1, 1, {\n      minFilter: NearestFilter,\n      magFilter: NearestFilter,\n      type: HalfFloatType,\n      stencilBuffer: false,\n      depthBuffer: false,\n      format: RGBAFormat\n    });\n    this.renderTargetPrevious.texture.name = \"Luminance.Previous\";\n    const uniforms = this.getFullscreenMaterial().uniforms;\n    uniforms.luminanceBuffer0.value = this.renderTargetPrevious.texture;\n    uniforms.luminanceBuffer1.value = luminanceBuffer;\n    uniforms.minLuminance.value = minLuminance;\n    this.renderTargetAdapted = this.renderTargetPrevious.clone();\n    this.renderTargetAdapted.texture.name = \"Luminance.Adapted\";\n    this.savePass = new SavePass(this.renderTargetPrevious, false);\n    this.adaptationRate = adaptationRate;\n  }\n  get texture() {\n    return this.renderTargetAdapted.texture;\n  }\n  set mipLevel1x1(value) {\n    const material = this.getFullscreenMaterial();\n    material.defines.MIP_LEVEL_1X1 = value.toFixed(1);\n    material.needsUpdate = true;\n  }\n  get adaptationRate() {\n    return this.getFullscreenMaterial().uniforms.tau.value;\n  }\n  set adaptationRate(value) {\n    this.getFullscreenMaterial().uniforms.tau.value = value;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    this.getFullscreenMaterial().uniforms.deltaTime.value = deltaTime;\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTargetAdapted);\n    renderer.render(this.scene, this.camera);\n    this.savePass.render(renderer, this.renderTargetAdapted);\n  }\n};\n\n// src/passes/BlurPass.js\nimport {\n  LinearFilter as LinearFilter2,\n  RGBFormat as RGBFormat2,\n  UnsignedByteType as UnsignedByteType3,\n  WebGLRenderTarget as WebGLRenderTarget3\n} from \"three\";\n\n// src/core/Resizer.js\nimport { Vector2 as Vector212 } from \"three\";\nvar AUTO_SIZE = -1;\nvar Resizer = class {\n  constructor(resizable, width = AUTO_SIZE, height = AUTO_SIZE, scale = 1) {\n    this.resizable = resizable;\n    this.base = new Vector212(1, 1);\n    this.target = new Vector212(width, height);\n    this.s = scale;\n  }\n  get scale() {\n    return this.s;\n  }\n  set scale(value) {\n    this.s = value;\n    this.target.x = AUTO_SIZE;\n    this.target.y = AUTO_SIZE;\n    this.resizable.setSize(this.base.x, this.base.y);\n  }\n  get width() {\n    const base = this.base;\n    const target = this.target;\n    let result;\n    if (target.x !== AUTO_SIZE) {\n      result = target.x;\n    } else if (target.y !== AUTO_SIZE) {\n      result = Math.round(target.y * (base.x / base.y));\n    } else {\n      result = Math.round(base.x * this.s);\n    }\n    return result;\n  }\n  set width(value) {\n    this.target.x = value;\n    this.resizable.setSize(this.base.x, this.base.y);\n  }\n  get height() {\n    const base = this.base;\n    const target = this.target;\n    let result;\n    if (target.y !== AUTO_SIZE) {\n      result = target.y;\n    } else if (target.x !== AUTO_SIZE) {\n      result = Math.round(target.x / (base.x / base.y));\n    } else {\n      result = Math.round(base.y * this.s);\n    }\n    return result;\n  }\n  set height(value) {\n    this.target.y = value;\n    this.resizable.setSize(this.base.x, this.base.y);\n  }\n  static get AUTO_SIZE() {\n    return AUTO_SIZE;\n  }\n};\n\n// src/passes/BlurPass.js\nvar BlurPass = class extends Pass {\n  constructor({\n    resolutionScale = 0.5,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    kernelSize = KernelSize.LARGE\n  } = {}) {\n    super(\"BlurPass\");\n    this.renderTargetA = new WebGLRenderTarget3(1, 1, {\n      minFilter: LinearFilter2,\n      magFilter: LinearFilter2,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTargetA.texture.name = \"Blur.Target.A\";\n    this.renderTargetB = this.renderTargetA.clone();\n    this.renderTargetB.texture.name = \"Blur.Target.B\";\n    this.resolution = new Resizer(this, width, height, resolutionScale);\n    this.convolutionMaterial = new ConvolutionMaterial();\n    this.ditheredConvolutionMaterial = new ConvolutionMaterial();\n    this.ditheredConvolutionMaterial.dithering = true;\n    this.dithering = false;\n    this.kernelSize = kernelSize;\n  }\n  get width() {\n    return this.resolution.width;\n  }\n  set width(value) {\n    this.resolution.width = value;\n  }\n  get height() {\n    return this.resolution.height;\n  }\n  set height(value) {\n    this.resolution.height = value;\n  }\n  get scale() {\n    return this.convolutionMaterial.uniforms.scale.value;\n  }\n  set scale(value) {\n    this.convolutionMaterial.uniforms.scale.value = value;\n    this.ditheredConvolutionMaterial.uniforms.scale.value = value;\n  }\n  get kernelSize() {\n    return this.convolutionMaterial.kernelSize;\n  }\n  set kernelSize(value) {\n    this.convolutionMaterial.kernelSize = value;\n    this.ditheredConvolutionMaterial.kernelSize = value;\n  }\n  getResolutionScale() {\n    return this.resolution.scale;\n  }\n  setResolutionScale(scale) {\n    this.resolution.scale = scale;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const scene = this.scene;\n    const camera = this.camera;\n    const renderTargetA = this.renderTargetA;\n    const renderTargetB = this.renderTargetB;\n    let material = this.convolutionMaterial;\n    let uniforms = material.uniforms;\n    const kernel = material.getKernel();\n    let lastRT = inputBuffer;\n    let destRT;\n    let i, l;\n    this.setFullscreenMaterial(material);\n    for (i = 0, l = kernel.length - 1; i < l; ++i) {\n      destRT = (i & 1) === 0 ? renderTargetA : renderTargetB;\n      uniforms.kernel.value = kernel[i];\n      uniforms.inputBuffer.value = lastRT.texture;\n      renderer.setRenderTarget(destRT);\n      renderer.render(scene, camera);\n      lastRT = destRT;\n    }\n    if (this.dithering) {\n      material = this.ditheredConvolutionMaterial;\n      uniforms = material.uniforms;\n      this.setFullscreenMaterial(material);\n    }\n    uniforms.kernel.value = kernel[i];\n    uniforms.inputBuffer.value = lastRT.texture;\n    renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n    renderer.render(scene, camera);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    const w = resolution.width;\n    const h = resolution.height;\n    this.renderTargetA.setSize(w, h);\n    this.renderTargetB.setSize(w, h);\n    this.convolutionMaterial.setTexelSize(1 / w, 1 / h);\n    this.ditheredConvolutionMaterial.setTexelSize(1 / w, 1 / h);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (!alpha && frameBufferType === UnsignedByteType3) {\n      this.renderTargetA.texture.format = RGBFormat2;\n      this.renderTargetB.texture.format = RGBFormat2;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTargetA.texture.type = frameBufferType;\n      this.renderTargetB.texture.type = frameBufferType;\n      if (frameBufferType !== UnsignedByteType3) {\n        const m0 = this.convolutionMaterial;\n        const m1 = this.ditheredConvolutionMaterial;\n        m0.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n        m1.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n      }\n    }\n  }\n  static get AUTO_SIZE() {\n    return Resizer.AUTO_SIZE;\n  }\n};\n\n// src/passes/ClearMaskPass.js\nvar ClearMaskPass = class extends Pass {\n  constructor() {\n    super(\"ClearMaskPass\", null, null);\n    this.needsSwap = false;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const stencil = renderer.state.buffers.stencil;\n    stencil.setLocked(false);\n    stencil.setTest(false);\n  }\n};\n\n// src/passes/ClearPass.js\nimport { Color } from \"three\";\nvar color = new Color();\nvar ClearPass = class extends Pass {\n  constructor(color2 = true, depth = true, stencil = false) {\n    super(\"ClearPass\", null, null);\n    this.needsSwap = false;\n    this.color = color2;\n    this.depth = depth;\n    this.stencil = stencil;\n    this.overrideClearColor = null;\n    this.overrideClearAlpha = -1;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const overrideClearColor = this.overrideClearColor;\n    const overrideClearAlpha = this.overrideClearAlpha;\n    const clearAlpha = renderer.getClearAlpha();\n    const hasOverrideClearColor = overrideClearColor !== null;\n    const hasOverrideClearAlpha = overrideClearAlpha >= 0;\n    if (hasOverrideClearColor) {\n      color.copy(renderer.getClearColor(color));\n      renderer.setClearColor(overrideClearColor, hasOverrideClearAlpha ? overrideClearAlpha : clearAlpha);\n    } else if (hasOverrideClearAlpha) {\n      renderer.setClearAlpha(overrideClearAlpha);\n    }\n    renderer.setRenderTarget(this.renderToScreen ? null : inputBuffer);\n    renderer.clear(this.color, this.depth, this.stencil);\n    if (hasOverrideClearColor) {\n      renderer.setClearColor(color, clearAlpha);\n    } else if (hasOverrideClearAlpha) {\n      renderer.setClearAlpha(clearAlpha);\n    }\n  }\n};\n\n// src/passes/DepthPass.js\nimport {\n  Color as Color2,\n  MeshDepthMaterial,\n  NearestFilter as NearestFilter2,\n  RGBADepthPacking,\n  WebGLRenderTarget as WebGLRenderTarget4\n} from \"three\";\n\n// src/core/OverrideMaterialManager.js\nimport { BackSide, DoubleSide, FrontSide } from \"three\";\nvar workaroundEnabled = false;\nvar OverrideMaterialManager = class {\n  constructor(material = null) {\n    this.originalMaterials = new Map();\n    this.material = null;\n    this.materials = null;\n    this.materialsBackSide = null;\n    this.materialsDoubleSide = null;\n    this.materialsFlatShaded = null;\n    this.materialsFlatShadedBackSide = null;\n    this.materialsFlatShadedDoubleSide = null;\n    this.setMaterial(material);\n    this.meshCount = 0;\n    this.replaceMaterial = (node) => {\n      if (node.isMesh) {\n        let materials;\n        if (node.material.flatShading) {\n          switch (node.material.side) {\n            case DoubleSide:\n              materials = this.materialsFlatShadedDoubleSide;\n              break;\n            case BackSide:\n              materials = this.materialsFlatShadedBackSide;\n              break;\n            default:\n              materials = this.materialsFlatShaded;\n              break;\n          }\n        } else {\n          switch (node.material.side) {\n            case DoubleSide:\n              materials = this.materialsDoubleSide;\n              break;\n            case BackSide:\n              materials = this.materialsBackSide;\n              break;\n            default:\n              materials = this.materials;\n              break;\n          }\n        }\n        this.originalMaterials.set(node, node.material);\n        if (node.isSkinnedMesh) {\n          node.material = materials[2];\n        } else if (node.isInstancedMesh) {\n          node.material = materials[1];\n        } else {\n          node.material = materials[0];\n        }\n        ++this.meshCount;\n      }\n    };\n  }\n  setMaterial(material) {\n    this.disposeMaterials();\n    this.material = material;\n    if (material !== null) {\n      const materials = this.materials = [\n        material.clone(),\n        material.clone(),\n        material.clone()\n      ];\n      for (const m2 of materials) {\n        m2.uniforms = Object.assign({}, material.uniforms);\n        m2.side = FrontSide;\n      }\n      materials[2].skinning = true;\n      this.materialsBackSide = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.side = BackSide;\n        return c2;\n      });\n      this.materialsDoubleSide = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.side = DoubleSide;\n        return c2;\n      });\n      this.materialsFlatShaded = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.flatShading = true;\n        return c2;\n      });\n      this.materialsFlatShadedBackSide = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.flatShading = true;\n        c2.side = BackSide;\n        return c2;\n      });\n      this.materialsFlatShadedDoubleSide = materials.map((m2) => {\n        const c2 = m2.clone();\n        c2.uniforms = Object.assign({}, material.uniforms);\n        c2.flatShading = true;\n        c2.side = DoubleSide;\n        return c2;\n      });\n    }\n  }\n  render(renderer, scene, camera) {\n    const shadowMapEnabled = renderer.shadowMap.enabled;\n    renderer.shadowMap.enabled = false;\n    if (workaroundEnabled) {\n      const originalMaterials = this.originalMaterials;\n      this.meshCount = 0;\n      scene.traverse(this.replaceMaterial);\n      renderer.render(scene, camera);\n      for (const entry of originalMaterials) {\n        entry[0].material = entry[1];\n      }\n      if (this.meshCount !== originalMaterials.size) {\n        originalMaterials.clear();\n      }\n    } else {\n      const overrideMaterial = scene.overrideMaterial;\n      scene.overrideMaterial = this.material;\n      renderer.render(scene, camera);\n      scene.overrideMaterial = overrideMaterial;\n    }\n    renderer.shadowMap.enabled = shadowMapEnabled;\n  }\n  disposeMaterials() {\n    if (this.material !== null) {\n      const materials = this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);\n      for (const m2 of materials) {\n        m2.dispose();\n      }\n    }\n  }\n  dispose() {\n    this.originalMaterials.clear();\n    this.disposeMaterials();\n  }\n  static get workaroundEnabled() {\n    return workaroundEnabled;\n  }\n  static set workaroundEnabled(value) {\n    workaroundEnabled = value;\n  }\n};\n\n// src/passes/RenderPass.js\nvar RenderPass = class extends Pass {\n  constructor(scene, camera, overrideMaterial = null) {\n    super(\"RenderPass\", scene, camera);\n    this.needsSwap = false;\n    this.clearPass = new ClearPass();\n    this.overrideMaterialManager = overrideMaterial === null ? null : new OverrideMaterialManager(overrideMaterial);\n  }\n  get renderToScreen() {\n    return super.renderToScreen;\n  }\n  set renderToScreen(value) {\n    super.renderToScreen = value;\n    this.clearPass.renderToScreen = value;\n  }\n  get overrideMaterial() {\n    const manager = this.overrideMaterialManager;\n    return manager !== null ? manager.material : null;\n  }\n  set overrideMaterial(value) {\n    const manager = this.overrideMaterialManager;\n    if (value !== null) {\n      if (manager !== null) {\n        manager.setMaterial(value);\n      } else {\n        this.overrideMaterialManager = new OverrideMaterialManager(value);\n      }\n    } else if (manager !== null) {\n      manager.dispose();\n      this.overrideMaterialManager = null;\n    }\n  }\n  get clear() {\n    return this.clearPass.enabled;\n  }\n  set clear(value) {\n    this.clearPass.enabled = value;\n  }\n  getClearPass() {\n    return this.clearPass;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const scene = this.scene;\n    const camera = this.camera;\n    const background = scene.background;\n    const renderTarget = this.renderToScreen ? null : inputBuffer;\n    if (this.clear) {\n      if (this.clearPass.overrideClearColor !== null) {\n        scene.background = null;\n      }\n      this.clearPass.render(renderer, inputBuffer);\n    }\n    renderer.setRenderTarget(renderTarget);\n    if (this.overrideMaterialManager !== null) {\n      this.overrideMaterialManager.render(renderer, scene, camera);\n    } else {\n      renderer.render(scene, camera);\n    }\n    if (scene.background !== background) {\n      scene.background = background;\n    }\n  }\n};\n\n// src/passes/DepthPass.js\nvar DepthPass = class extends Pass {\n  constructor(scene, camera, {\n    resolutionScale = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    renderTarget\n  } = {}) {\n    super(\"DepthPass\");\n    this.needsSwap = false;\n    this.renderPass = new RenderPass(scene, camera, new MeshDepthMaterial({\n      depthPacking: RGBADepthPacking\n    }));\n    const clearPass = this.renderPass.getClearPass();\n    clearPass.overrideClearColor = new Color2(16777215);\n    clearPass.overrideClearAlpha = 1;\n    this.renderTarget = renderTarget;\n    if (this.renderTarget === void 0) {\n      this.renderTarget = new WebGLRenderTarget4(1, 1, {\n        minFilter: NearestFilter2,\n        magFilter: NearestFilter2,\n        stencilBuffer: false\n      });\n      this.renderTarget.texture.name = \"DepthPass.Target\";\n    }\n    this.resolution = new Resizer(this, width, height, resolutionScale);\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  getResolutionScale() {\n    return this.resolutionScale;\n  }\n  setResolutionScale(scale) {\n    this.resolutionScale = scale;\n    this.setSize(this.resolution.base.x, this.resolution.base.y);\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const renderTarget = this.renderToScreen ? null : this.renderTarget;\n    this.renderPass.render(renderer, renderTarget);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    this.renderTarget.setSize(resolution.width, resolution.height);\n  }\n};\n\n// src/passes/DepthDownsamplingPass.js\nimport {\n  BasicDepthPacking,\n  FloatType,\n  NearestFilter as NearestFilter3,\n  WebGLRenderTarget as WebGLRenderTarget5\n} from \"three\";\nvar DepthDownsamplingPass = class extends Pass {\n  constructor({\n    normalBuffer = null,\n    resolutionScale = 0.5,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE\n  } = {}) {\n    super(\"DepthDownsamplingPass\");\n    this.setFullscreenMaterial(new DepthDownsamplingMaterial());\n    this.needsDepthTexture = true;\n    this.needsSwap = false;\n    if (normalBuffer !== null) {\n      const material = this.getFullscreenMaterial();\n      material.uniforms.normalBuffer.value = normalBuffer;\n      material.defines.DOWNSAMPLE_NORMALS = \"1\";\n    }\n    this.renderTarget = new WebGLRenderTarget5(1, 1, {\n      minFilter: NearestFilter3,\n      magFilter: NearestFilter3,\n      stencilBuffer: false,\n      depthBuffer: false,\n      type: FloatType\n    });\n    this.renderTarget.texture.name = \"DepthDownsamplingPass.Target\";\n    this.renderTarget.texture.generateMipmaps = false;\n    this.resolution = new Resizer(this, width, height);\n    this.resolution.scale = resolutionScale;\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.depthPacking = depthPacking;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n    renderer.render(this.scene, this.camera);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    this.getFullscreenMaterial().setTexelSize(1 / width, 1 / height);\n    this.renderTarget.setSize(resolution.width, resolution.height);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (!renderer.capabilities.isWebGL2) {\n      console.error(\"The DepthDownsamplingPass requires WebGL 2\");\n    }\n  }\n};\n\n// src/passes/DepthPickingPass.js\nimport { FloatType as FloatType3, RGBADepthPacking as RGBADepthPacking3 } from \"three\";\n\n// src/passes/DepthSavePass.js\nimport {\n  BasicDepthPacking as BasicDepthPacking2,\n  FloatType as FloatType2,\n  NearestFilter as NearestFilter4,\n  RGBADepthPacking as RGBADepthPacking2,\n  UnsignedByteType as UnsignedByteType4,\n  WebGLRenderTarget as WebGLRenderTarget6\n} from \"three\";\nvar DepthSavePass = class extends Pass {\n  constructor({ depthPacking = RGBADepthPacking2 } = {}) {\n    super(\"DepthSavePass\");\n    const material = new DepthCopyMaterial();\n    material.setOutputDepthPacking(depthPacking);\n    this.setFullscreenMaterial(material);\n    this.needsDepthTexture = true;\n    this.needsSwap = false;\n    this.renderTarget = new WebGLRenderTarget6(1, 1, {\n      type: depthPacking === RGBADepthPacking2 ? UnsignedByteType4 : FloatType2,\n      minFilter: NearestFilter4,\n      magFilter: NearestFilter4,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTarget.texture.name = \"DepthSavePass.Target\";\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  get depthPacking() {\n    return this.getFullscreenMaterial().getOutputDepthPacking();\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking2) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.setInputDepthPacking(depthPacking);\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n    renderer.render(this.scene, this.camera);\n  }\n  setSize(width, height) {\n    this.renderTarget.setSize(width, height);\n  }\n};\n\n// src/passes/DepthPickingPass.js\nvar unpackFactors = new Float32Array([\n  255 / 256 / 256 ** 3,\n  255 / 256 / 256 ** 2,\n  255 / 256 / 256,\n  255 / 256\n]);\nfunction unpackRGBAToDepth(packedDepth) {\n  return (packedDepth[0] * unpackFactors[0] + packedDepth[1] * unpackFactors[1] + packedDepth[2] * unpackFactors[2] + packedDepth[3] * unpackFactors[3]) / 256;\n}\nvar DepthPickingPass = class extends DepthSavePass {\n  constructor({\n    depthPacking = RGBADepthPacking3,\n    mode = DepthCopyMode.SINGLE\n  } = {}) {\n    super({ depthPacking });\n    this.name = \"DepthPickingPass\";\n    this.getFullscreenMaterial().setMode(mode);\n    this.pixelBuffer = depthPacking === RGBADepthPacking3 ? new Uint8Array(4) : new Float32Array(4);\n    this.callback = null;\n  }\n  get mode() {\n    return this.getFullscreenMaterial().getMode();\n  }\n  get screenPosition() {\n    return this.getFullscreenMaterial().uniforms.screenPosition.value;\n  }\n  readDepth(ndc) {\n    this.screenPosition.set(ndc.x * 0.5 + 0.5, ndc.y * 0.5 + 0.5);\n    return new Promise((resolve) => {\n      this.callback = resolve;\n    });\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    if (this.mode === DepthCopyMode.FULL) {\n      super.render(renderer);\n    }\n    if (this.callback !== null) {\n      const renderTarget = this.renderTarget;\n      const pixelBuffer = this.pixelBuffer;\n      const packed = renderTarget.texture.type !== FloatType3;\n      let x = 0, y = 0;\n      if (this.mode === DepthCopyMode.SINGLE) {\n        super.render(renderer);\n      } else {\n        const screenPosition = this.screenPosition;\n        x = Math.round(screenPosition.x * renderTarget.width);\n        y = Math.round(screenPosition.y * renderTarget.height);\n      }\n      renderer.readRenderTargetPixels(renderTarget, x, y, 1, 1, pixelBuffer);\n      this.callback(packed ? unpackRGBAToDepth(pixelBuffer) : pixelBuffer[0]);\n      this.callback = null;\n    }\n  }\n  setSize(width, height) {\n    if (this.mode === DepthCopyMode.FULL) {\n      super.setSize(width, height);\n    }\n  }\n};\n\n// src/passes/EffectPass.js\nimport { BasicDepthPacking as BasicDepthPacking3, UnsignedByteType as UnsignedByteType5 } from \"three\";\n\n// src/effects/blending/BlendFunction.js\nvar BlendFunction = {\n  SKIP: 0,\n  ADD: 1,\n  ALPHA: 2,\n  AVERAGE: 3,\n  COLOR_BURN: 4,\n  COLOR_DODGE: 5,\n  DARKEN: 6,\n  DIFFERENCE: 7,\n  EXCLUSION: 8,\n  LIGHTEN: 9,\n  MULTIPLY: 10,\n  DIVIDE: 11,\n  NEGATION: 12,\n  NORMAL: 13,\n  OVERLAY: 14,\n  REFLECT: 15,\n  SCREEN: 16,\n  SOFT_LIGHT: 17,\n  SUBTRACT: 18\n};\n\n// src/effects/blending/BlendMode.js\nimport { EventDispatcher, Uniform as Uniform19 } from \"three\";\n\n// src/effects/blending/glsl/add/shader.frag\nvar shader_default28 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return min(x+y,1.0)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/alpha/shader.frag\nvar shader_default29 = \"vec3 blend(const in vec3 x,const in vec3 y,const in float opacity){return y*opacity+x*(1.0-opacity);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){float a=min(y.a,opacity);return vec4(blend(x.rgb,y.rgb,a),max(x.a,a));}\";\n\n// src/effects/blending/glsl/average/shader.frag\nvar shader_default30 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(x+y)*0.5*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/color-burn/shader.frag\nvar shader_default31 = \"float blend(const in float x,const in float y){return(y==0.0)? y : max(1.0-(1.0-x)/y,0.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/color-dodge/shader.frag\nvar shader_default32 = \"float blend(const in float x,const in float y){return(y==1.0)? y : min(x/(1.0-y),1.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/darken/shader.frag\nvar shader_default33 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return min(x,y)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/difference/shader.frag\nvar shader_default34 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return abs(x-y)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/exclusion/shader.frag\nvar shader_default35 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(x+y-2.0*x*y)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/lighten/shader.frag\nvar shader_default36 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return max(x,y)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/multiply/shader.frag\nvar shader_default37 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return x*y*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/divide/shader.frag\nvar shader_default38 = \"float blend(const in float x,const in float y){return(y>0.0)? min(x/y,1.0): 1.0;}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/negation/shader.frag\nvar shader_default39 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(1.0-abs(1.0-x-y))*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/normal/shader.frag\nvar shader_default40 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/overlay/shader.frag\nvar shader_default41 = \"float blend(const in float x,const in float y){return(x<0.5)?(2.0*x*y):(1.0-2.0*(1.0-x)*(1.0-y));}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/reflect/shader.frag\nvar shader_default42 = \"float blend(const in float x,const in float y){return(y==1.0)? y : min(x*x/(1.0-y),1.0);}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/screen/shader.frag\nvar shader_default43 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return(1.0-(1.0-x)*(1.0-y))*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/soft-light/shader.frag\nvar shader_default44 = \"float blend(const in float x,const in float y){return(y<0.5)?(2.0*x*y+x*x*(1.0-2.0*y)):(sqrt(x)*(2.0*y-1.0)+2.0*x*(1.0-y));}vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=vec4(blend(x.r,y.r),blend(x.g,y.g),blend(x.b,y.b),blend(x.a,y.a));return z*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/glsl/subtract/shader.frag\nvar shader_default45 = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return max(x+y-1.0,0.0)*opacity+x*(1.0-opacity);}\";\n\n// src/effects/blending/BlendMode.js\nvar blendFunctions = new Map([\n  [BlendFunction.SKIP, null],\n  [BlendFunction.ADD, shader_default28],\n  [BlendFunction.ALPHA, shader_default29],\n  [BlendFunction.AVERAGE, shader_default30],\n  [BlendFunction.COLOR_BURN, shader_default31],\n  [BlendFunction.COLOR_DODGE, shader_default32],\n  [BlendFunction.DARKEN, shader_default33],\n  [BlendFunction.DIFFERENCE, shader_default34],\n  [BlendFunction.EXCLUSION, shader_default35],\n  [BlendFunction.LIGHTEN, shader_default36],\n  [BlendFunction.MULTIPLY, shader_default37],\n  [BlendFunction.DIVIDE, shader_default38],\n  [BlendFunction.NEGATION, shader_default39],\n  [BlendFunction.NORMAL, shader_default40],\n  [BlendFunction.OVERLAY, shader_default41],\n  [BlendFunction.REFLECT, shader_default42],\n  [BlendFunction.SCREEN, shader_default43],\n  [BlendFunction.SOFT_LIGHT, shader_default44],\n  [BlendFunction.SUBTRACT, shader_default45]\n]);\nvar BlendMode = class extends EventDispatcher {\n  constructor(blendFunction, opacity = 1) {\n    super();\n    this.blendFunction = blendFunction;\n    this.opacity = new Uniform19(opacity);\n  }\n  getBlendFunction() {\n    return this.blendFunction;\n  }\n  setBlendFunction(blendFunction) {\n    this.blendFunction = blendFunction;\n    this.dispatchEvent({ type: \"change\" });\n  }\n  getShaderCode() {\n    return blendFunctions.get(this.blendFunction);\n  }\n};\n\n// src/effects/Effect.js\nimport { EventDispatcher as EventDispatcher2, Scene as Scene2 } from \"three\";\nvar Effect = class extends EventDispatcher2 {\n  constructor(name, fragmentShader, {\n    attributes = EffectAttribute.NONE,\n    blendFunction = BlendFunction.SCREEN,\n    defines = new Map(),\n    uniforms = new Map(),\n    extensions = null,\n    vertexShader = null\n  } = {}) {\n    super();\n    this.name = name;\n    this.attributes = attributes;\n    this.fragmentShader = fragmentShader;\n    this.vertexShader = vertexShader;\n    this.defines = defines;\n    this.uniforms = uniforms;\n    this.extensions = extensions;\n    this.blendMode = new BlendMode(blendFunction);\n    this.blendMode.addEventListener(\"change\", (event) => this.setChanged());\n  }\n  setChanged() {\n    this.dispatchEvent({ type: \"change\" });\n  }\n  getAttributes() {\n    return this.attributes;\n  }\n  setAttributes(attributes) {\n    this.attributes = attributes;\n    this.setChanged();\n  }\n  getFragmentShader() {\n    return this.fragmentShader;\n  }\n  setFragmentShader(fragmentShader) {\n    this.fragmentShader = fragmentShader;\n    this.setChanged();\n  }\n  getVertexShader() {\n    return this.vertexShader;\n  }\n  setVertexShader(vertexShader) {\n    this.vertexShader = vertexShader;\n    this.setChanged();\n  }\n  setDepthTexture(depthTexture, depthPacking = 0) {\n  }\n  update(renderer, inputBuffer, deltaTime) {\n  }\n  setSize(width, height) {\n  }\n  initialize(renderer, alpha, frameBufferType) {\n  }\n  dispose() {\n    for (const key of Object.keys(this)) {\n      const property = this[key];\n      if (property !== null && typeof property.dispose === \"function\") {\n        if (property instanceof Scene2) {\n          continue;\n        }\n        this[key].dispose();\n      }\n    }\n  }\n};\nvar EffectAttribute = {\n  NONE: 0,\n  DEPTH: 1,\n  CONVOLUTION: 2\n};\nvar WebGLExtension = {\n  DERIVATIVES: \"derivatives\",\n  FRAG_DEPTH: \"fragDepth\",\n  DRAW_BUFFERS: \"drawBuffers\",\n  SHADER_TEXTURE_LOD: \"shaderTextureLOD\"\n};\n\n// src/passes/EffectPass.js\nfunction findSubstrings(regExp, string) {\n  const substrings = [];\n  let result;\n  while ((result = regExp.exec(string)) !== null) {\n    substrings.push(result[1]);\n  }\n  return substrings;\n}\nfunction prefixSubstrings(prefix, substrings, strings) {\n  let prefixed, regExp;\n  for (const substring of substrings) {\n    prefixed = \"$1\" + prefix + substring.charAt(0).toUpperCase() + substring.slice(1);\n    regExp = new RegExp(\"([^\\\\.])(\\\\b\" + substring + \"\\\\b)\", \"g\");\n    for (const entry of strings.entries()) {\n      if (entry[1] !== null) {\n        strings.set(entry[0], entry[1].replace(regExp, prefixed));\n      }\n    }\n  }\n}\nfunction integrateEffect(prefix, effect, shaderParts, blendModes, defines, uniforms, attributes) {\n  const functionRegExp = /(?:\\w+\\s+(\\w+)\\([\\w\\s,]*\\)\\s*{[^}]+})/g;\n  const varyingRegExp = /(?:varying\\s+\\w+\\s+(\\w*))/g;\n  const blendMode = effect.blendMode;\n  const shaders = new Map([\n    [\"fragment\", effect.getFragmentShader()],\n    [\"vertex\", effect.getVertexShader()]\n  ]);\n  const mainImageExists = shaders.get(\"fragment\") !== void 0 && /mainImage/.test(shaders.get(\"fragment\"));\n  const mainUvExists = shaders.get(\"fragment\") !== void 0 && /mainUv/.test(shaders.get(\"fragment\"));\n  let varyings = [], names = [];\n  let transformedUv = false;\n  let readDepth = false;\n  if (shaders.get(\"fragment\") === void 0) {\n    console.error(\"Missing fragment shader\", effect);\n  } else if (mainUvExists && (attributes & EffectAttribute.CONVOLUTION) !== 0) {\n    console.error(\"Effects that transform UV coordinates are incompatible with convolution effects\", effect);\n  } else if (!mainImageExists && !mainUvExists) {\n    console.error(\"The fragment shader contains neither a mainImage nor a mainUv function\", effect);\n  } else {\n    if (mainUvExists) {\n      shaderParts.set(Section.FRAGMENT_MAIN_UV, shaderParts.get(Section.FRAGMENT_MAIN_UV) + \"\t\" + prefix + \"MainUv(UV);\\n\");\n      transformedUv = true;\n    }\n    if (shaders.get(\"vertex\") !== null && /mainSupport/.test(shaders.get(\"vertex\"))) {\n      let string = \"\t\" + prefix + \"MainSupport(\";\n      if (/mainSupport *\\([\\w\\s]*?uv\\s*?\\)/.test(shaders.get(\"vertex\"))) {\n        string += \"vUv\";\n      }\n      string += \");\\n\";\n      shaderParts.set(Section.VERTEX_MAIN_SUPPORT, shaderParts.get(Section.VERTEX_MAIN_SUPPORT) + string);\n      varyings = varyings.concat(findSubstrings(varyingRegExp, shaders.get(\"vertex\")));\n      names = names.concat(varyings).concat(findSubstrings(functionRegExp, shaders.get(\"vertex\")));\n    }\n    names = names.concat(findSubstrings(functionRegExp, shaders.get(\"fragment\")));\n    names = names.concat(Array.from(effect.defines.keys()).map((s) => s.replace(/\\([\\w\\s,]*\\)/g, \"\")));\n    names = names.concat(Array.from(effect.uniforms.keys()));\n    effect.uniforms.forEach((value, key) => uniforms.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), value));\n    effect.defines.forEach((value, key) => defines.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), value));\n    prefixSubstrings(prefix, names, defines);\n    prefixSubstrings(prefix, names, shaders);\n    blendModes.set(blendMode.blendFunction, blendMode);\n    if (mainImageExists) {\n      const depthParamRegExp = /MainImage *\\([\\w\\s,]*?depth[\\w\\s,]*?\\)/;\n      let string = prefix + \"MainImage(color0, UV, \";\n      if ((attributes & EffectAttribute.DEPTH) !== 0 && depthParamRegExp.test(shaders.get(\"fragment\"))) {\n        string += \"depth, \";\n        readDepth = true;\n      }\n      string += \"color1);\\n\t\";\n      const blendOpacity = prefix + \"BlendOpacity\";\n      uniforms.set(blendOpacity, blendMode.opacity);\n      string += \"color0 = blend\" + blendMode.getBlendFunction() + \"(color0, color1, \" + blendOpacity + \");\\n\\n\t\";\n      shaderParts.set(Section.FRAGMENT_MAIN_IMAGE, shaderParts.get(Section.FRAGMENT_MAIN_IMAGE) + string);\n      shaderParts.set(Section.FRAGMENT_HEAD, shaderParts.get(Section.FRAGMENT_HEAD) + \"uniform float \" + blendOpacity + \";\\n\\n\");\n    }\n    shaderParts.set(Section.FRAGMENT_HEAD, shaderParts.get(Section.FRAGMENT_HEAD) + shaders.get(\"fragment\") + \"\\n\");\n    if (shaders.get(\"vertex\") !== null) {\n      shaderParts.set(Section.VERTEX_HEAD, shaderParts.get(Section.VERTEX_HEAD) + shaders.get(\"vertex\") + \"\\n\");\n    }\n  }\n  return { varyings, transformedUv, readDepth };\n}\nvar EffectPass = class extends Pass {\n  constructor(camera, ...effects) {\n    super(\"EffectPass\");\n    this.setFullscreenMaterial(new EffectMaterial(null, null, null, camera));\n    this.effects = effects.sort((a, b) => b.attributes - a.attributes);\n    this.skipRendering = false;\n    this.uniforms = 0;\n    this.varyings = 0;\n    this.minTime = 1;\n    this.maxTime = Number.POSITIVE_INFINITY;\n  }\n  get encodeOutput() {\n    return this.getFullscreenMaterial().defines.ENCODE_OUTPUT !== void 0;\n  }\n  set encodeOutput(value) {\n    if (this.encodeOutput !== value) {\n      const material = this.getFullscreenMaterial();\n      material.needsUpdate = true;\n      if (value) {\n        material.defines.ENCODE_OUTPUT = \"1\";\n      } else {\n        delete material.defines.ENCODE_OUTPUT;\n      }\n    }\n  }\n  get dithering() {\n    return this.getFullscreenMaterial().dithering;\n  }\n  set dithering(value) {\n    const material = this.getFullscreenMaterial();\n    if (material.dithering !== value) {\n      material.dithering = value;\n      material.needsUpdate = true;\n    }\n  }\n  verifyResources(renderer) {\n    const capabilities = renderer.capabilities;\n    let max = Math.min(capabilities.maxFragmentUniforms, capabilities.maxVertexUniforms);\n    if (this.uniforms > max) {\n      console.warn(\"The current rendering context doesn't support more than \" + max + \" uniforms, but \" + this.uniforms + \" were defined\");\n    }\n    max = capabilities.maxVaryings;\n    if (this.varyings > max) {\n      console.warn(\"The current rendering context doesn't support more than \" + max + \" varyings, but \" + this.varyings + \" were defined\");\n    }\n  }\n  updateMaterial() {\n    const blendRegExp = /\\bblend\\b/g;\n    const shaderParts = new Map([\n      [Section.FRAGMENT_HEAD, \"\"],\n      [Section.FRAGMENT_MAIN_UV, \"\"],\n      [Section.FRAGMENT_MAIN_IMAGE, \"\"],\n      [Section.VERTEX_HEAD, \"\"],\n      [Section.VERTEX_MAIN_SUPPORT, \"\"]\n    ]);\n    const blendModes = new Map();\n    const defines = new Map();\n    const uniforms = new Map();\n    const extensions = new Set();\n    let id = 0, varyings = 0, attributes = 0;\n    let transformedUv = false;\n    let readDepth = false;\n    let result;\n    for (const effect of this.effects) {\n      if (effect.blendMode.getBlendFunction() === BlendFunction.SKIP) {\n        attributes |= effect.getAttributes() & EffectAttribute.DEPTH;\n      } else if ((attributes & EffectAttribute.CONVOLUTION) !== 0 && (effect.getAttributes() & EffectAttribute.CONVOLUTION) !== 0) {\n        console.error(\"Convolution effects cannot be merged\", effect);\n      } else {\n        attributes |= effect.getAttributes();\n        result = integrateEffect(\"e\" + id++, effect, shaderParts, blendModes, defines, uniforms, attributes);\n        varyings += result.varyings.length;\n        transformedUv = transformedUv || result.transformedUv;\n        readDepth = readDepth || result.readDepth;\n        if (effect.extensions !== null) {\n          for (const extension of effect.extensions) {\n            extensions.add(extension);\n          }\n        }\n      }\n    }\n    for (const blendMode of blendModes.values()) {\n      shaderParts.set(Section.FRAGMENT_HEAD, shaderParts.get(Section.FRAGMENT_HEAD) + blendMode.getShaderCode().replace(blendRegExp, \"blend\" + blendMode.getBlendFunction()) + \"\\n\");\n    }\n    if ((attributes & EffectAttribute.DEPTH) !== 0) {\n      if (readDepth) {\n        shaderParts.set(Section.FRAGMENT_MAIN_IMAGE, \"float depth = readDepth(UV);\\n\\n\t\" + shaderParts.get(Section.FRAGMENT_MAIN_IMAGE));\n      }\n      this.needsDepthTexture = this.getDepthTexture() === null;\n    } else {\n      this.needsDepthTexture = false;\n    }\n    if (transformedUv) {\n      shaderParts.set(Section.FRAGMENT_MAIN_UV, \"vec2 transformedUv = vUv;\\n\" + shaderParts.get(Section.FRAGMENT_MAIN_UV));\n      defines.set(\"UV\", \"transformedUv\");\n    } else {\n      defines.set(\"UV\", \"vUv\");\n    }\n    shaderParts.forEach((value, key, map) => map.set(key, value.trim().replace(/^#/, \"\\n#\")));\n    this.uniforms = uniforms.size;\n    this.varyings = varyings;\n    this.skipRendering = id === 0;\n    this.needsSwap = !this.skipRendering;\n    const material = this.getFullscreenMaterial();\n    material.setShaderParts(shaderParts);\n    material.setDefines(defines);\n    material.setUniforms(uniforms);\n    material.extensions = {};\n    if (extensions.size > 0) {\n      for (const extension of extensions) {\n        material.extensions[extension] = true;\n      }\n    }\n    this.needsUpdate = false;\n  }\n  recompile(renderer) {\n    this.updateMaterial();\n    if (renderer !== void 0) {\n      this.verifyResources(renderer);\n    }\n  }\n  getDepthTexture() {\n    return this.getFullscreenMaterial().uniforms.depthBuffer.value;\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking3) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.depthPacking = depthPacking;\n    material.needsUpdate = true;\n    for (const effect of this.effects) {\n      effect.setDepthTexture(depthTexture, depthPacking);\n    }\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const material = this.getFullscreenMaterial();\n    const time = material.uniforms.time.value + deltaTime;\n    if (this.needsUpdate) {\n      this.recompile(renderer);\n    }\n    for (const effect of this.effects) {\n      effect.update(renderer, inputBuffer, deltaTime);\n    }\n    if (!this.skipRendering || this.renderToScreen) {\n      material.uniforms.inputBuffer.value = inputBuffer.texture;\n      material.uniforms.time.value = time <= this.maxTime ? time : this.minTime;\n      renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n      renderer.render(this.scene, this.camera);\n    }\n  }\n  setSize(width, height) {\n    this.getFullscreenMaterial().setSize(width, height);\n    for (const effect of this.effects) {\n      effect.setSize(width, height);\n    }\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    for (const effect of this.effects) {\n      effect.initialize(renderer, alpha, frameBufferType);\n      effect.addEventListener(\"change\", (event) => this.handleEvent(event));\n    }\n    this.updateMaterial();\n    this.verifyResources(renderer);\n    if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType5) {\n      const material = this.getFullscreenMaterial();\n      material.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n    }\n  }\n  dispose() {\n    super.dispose();\n    for (const effect of this.effects) {\n      effect.dispose();\n    }\n  }\n  handleEvent(event) {\n    switch (event.type) {\n      case \"change\":\n        this.needsUpdate = true;\n        break;\n    }\n  }\n};\n\n// src/passes/LambdaPass.js\nvar LambdaPass = class extends Pass {\n  constructor(f) {\n    super(\"LambdaPass\", null, null);\n    this.needsSwap = false;\n    this.f = f;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    this.f();\n  }\n};\n\n// src/passes/LuminancePass.js\nimport {\n  LinearFilter as LinearFilter3,\n  LuminanceFormat,\n  RGBAFormat as RGBAFormat2,\n  UnsignedByteType as UnsignedByteType6,\n  WebGLRenderTarget as WebGLRenderTarget7\n} from \"three\";\nvar LuminancePass = class extends Pass {\n  constructor({\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    renderTarget,\n    luminanceRange,\n    colorOutput\n  } = {}) {\n    super(\"LuminancePass\");\n    this.setFullscreenMaterial(new LuminanceMaterial(colorOutput, luminanceRange));\n    this.needsSwap = false;\n    this.renderTarget = renderTarget;\n    if (this.renderTarget === void 0) {\n      this.renderTarget = new WebGLRenderTarget7(1, 1, {\n        minFilter: LinearFilter3,\n        magFilter: LinearFilter3,\n        format: colorOutput ? RGBAFormat2 : LuminanceFormat,\n        stencilBuffer: false,\n        depthBuffer: false\n      });\n      this.renderTarget.texture.name = \"LuminancePass.Target\";\n      this.renderTarget.texture.generateMipmaps = false;\n    }\n    this.resolution = new Resizer(this, width, height);\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const material = this.getFullscreenMaterial();\n    material.uniforms.inputBuffer.value = inputBuffer.texture;\n    renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n    renderer.render(this.scene, this.camera);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    this.renderTarget.setSize(resolution.width, resolution.height);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType6) {\n      const material = this.getFullscreenMaterial();\n      material.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n    }\n  }\n};\n\n// src/passes/MaskPass.js\nvar MaskPass = class extends Pass {\n  constructor(scene, camera) {\n    super(\"MaskPass\", scene, camera);\n    this.needsSwap = false;\n    this.clearPass = new ClearPass(false, false, true);\n    this.inverse = false;\n  }\n  get clear() {\n    return this.clearPass.enabled;\n  }\n  set clear(value) {\n    this.clearPass.enabled = value;\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const context = renderer.getContext();\n    const buffers = renderer.state.buffers;\n    const scene = this.scene;\n    const camera = this.camera;\n    const clearPass = this.clearPass;\n    const writeValue = this.inverse ? 0 : 1;\n    const clearValue = 1 - writeValue;\n    buffers.color.setMask(false);\n    buffers.depth.setMask(false);\n    buffers.color.setLocked(true);\n    buffers.depth.setLocked(true);\n    buffers.stencil.setTest(true);\n    buffers.stencil.setOp(context.REPLACE, context.REPLACE, context.REPLACE);\n    buffers.stencil.setFunc(context.ALWAYS, writeValue, 4294967295);\n    buffers.stencil.setClear(clearValue);\n    buffers.stencil.setLocked(true);\n    if (this.clear) {\n      if (this.renderToScreen) {\n        clearPass.render(renderer, null);\n      } else {\n        clearPass.render(renderer, inputBuffer);\n        clearPass.render(renderer, outputBuffer);\n      }\n    }\n    if (this.renderToScreen) {\n      renderer.setRenderTarget(null);\n      renderer.render(scene, camera);\n    } else {\n      renderer.setRenderTarget(inputBuffer);\n      renderer.render(scene, camera);\n      renderer.setRenderTarget(outputBuffer);\n      renderer.render(scene, camera);\n    }\n    buffers.color.setLocked(false);\n    buffers.depth.setLocked(false);\n    buffers.stencil.setLocked(false);\n    buffers.stencil.setFunc(context.EQUAL, 1, 4294967295);\n    buffers.stencil.setOp(context.KEEP, context.KEEP, context.KEEP);\n    buffers.stencil.setLocked(true);\n  }\n};\n\n// src/passes/NormalPass.js\nimport {\n  Color as Color3,\n  MeshNormalMaterial,\n  NearestFilter as NearestFilter5,\n  RGBFormat as RGBFormat3,\n  WebGLRenderTarget as WebGLRenderTarget8\n} from \"three\";\nvar NormalPass = class extends Pass {\n  constructor(scene, camera, {\n    resolutionScale = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    renderTarget\n  } = {}) {\n    super(\"NormalPass\");\n    this.needsSwap = false;\n    this.renderPass = new RenderPass(scene, camera, new MeshNormalMaterial());\n    const clearPass = this.renderPass.getClearPass();\n    clearPass.overrideClearColor = new Color3(7829503);\n    clearPass.overrideClearAlpha = 1;\n    this.renderTarget = renderTarget;\n    if (this.renderTarget === void 0) {\n      this.renderTarget = new WebGLRenderTarget8(1, 1, {\n        minFilter: NearestFilter5,\n        magFilter: NearestFilter5,\n        format: RGBFormat3,\n        stencilBuffer: false\n      });\n      this.renderTarget.texture.name = \"NormalPass.Target\";\n    }\n    this.resolution = new Resizer(this, width, height, resolutionScale);\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  getResolutionScale() {\n    return this.resolutionScale;\n  }\n  setResolutionScale(scale) {\n    this.resolutionScale = scale;\n    this.setSize(this.resolution.base.x, this.resolution.base.y);\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    const renderTarget = this.renderToScreen ? null : this.renderTarget;\n    this.renderPass.render(renderer, renderTarget, renderTarget);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    this.renderTarget.setSize(resolution.width, resolution.height);\n  }\n};\n\n// src/passes/ShaderPass.js\nimport { UnsignedByteType as UnsignedByteType7 } from \"three\";\nvar ShaderPass = class extends Pass {\n  constructor(material, input = \"inputBuffer\") {\n    super(\"ShaderPass\");\n    this.setFullscreenMaterial(material);\n    this.uniform = null;\n    this.setInput(input);\n  }\n  setInput(input) {\n    const material = this.getFullscreenMaterial();\n    this.uniform = null;\n    if (material !== null) {\n      const uniforms = material.uniforms;\n      if (uniforms !== void 0 && uniforms[input] !== void 0) {\n        this.uniform = uniforms[input];\n      }\n    }\n  }\n  render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n    if (this.uniform !== null && inputBuffer !== null) {\n      this.uniform.value = inputBuffer.texture;\n    }\n    renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n    renderer.render(this.scene, this.camera);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType7) {\n      const material = this.getFullscreenMaterial();\n      material.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n    }\n  }\n};\n\n// src/core/EffectComposer.js\nvar EffectComposer = class {\n  constructor(renderer = null, {\n    depthBuffer = true,\n    stencilBuffer = false,\n    alpha = false,\n    multisampling = 0,\n    frameBufferType\n  } = {}) {\n    this.renderer = renderer;\n    this.inputBuffer = null;\n    this.outputBuffer = null;\n    if (this.renderer !== null) {\n      this.renderer.autoClear = false;\n      this.inputBuffer = this.createBuffer(depthBuffer, stencilBuffer, frameBufferType, multisampling);\n      this.outputBuffer = this.inputBuffer.clone();\n    }\n    this.copyPass = new ShaderPass(new CopyMaterial());\n    this.alpha = alpha;\n    this.depthTexture = null;\n    this.passes = [];\n    this.autoRenderToScreen = true;\n  }\n  get multisampling() {\n    return this.inputBuffer instanceof WebGLMultisampleRenderTarget ? this.inputBuffer.samples : 0;\n  }\n  set multisampling(value) {\n    const buffer = this.inputBuffer;\n    const multisampling = this.multisampling;\n    if (multisampling > 0 && value > 0) {\n      this.inputBuffer.samples = value;\n      this.outputBuffer.samples = value;\n    } else if (multisampling !== value) {\n      this.inputBuffer.dispose();\n      this.outputBuffer.dispose();\n      this.inputBuffer = this.createBuffer(buffer.depthBuffer, buffer.stencilBuffer, buffer.texture.type, value);\n      this.inputBuffer.depthTexture = this.depthTexture;\n      this.outputBuffer = this.inputBuffer.clone();\n    }\n  }\n  getRenderer() {\n    return this.renderer;\n  }\n  replaceRenderer(renderer, updateDOM = true) {\n    const oldRenderer = this.renderer;\n    if (oldRenderer !== null && oldRenderer !== renderer) {\n      const oldSize = oldRenderer.getSize(new Vector213());\n      const newSize = renderer.getSize(new Vector213());\n      const parent = oldRenderer.domElement.parentNode;\n      this.renderer = renderer;\n      this.renderer.autoClear = false;\n      if (!oldSize.equals(newSize)) {\n        this.setSize();\n      }\n      if (updateDOM && parent !== null) {\n        parent.removeChild(oldRenderer.domElement);\n        parent.appendChild(renderer.domElement);\n      }\n    }\n    return oldRenderer;\n  }\n  createDepthTexture() {\n    const depthTexture = this.depthTexture = new DepthTexture();\n    this.inputBuffer.depthTexture = depthTexture;\n    this.inputBuffer.dispose();\n    if (this.inputBuffer.stencilBuffer) {\n      depthTexture.format = DepthStencilFormat;\n      depthTexture.type = UnsignedInt248Type;\n    } else {\n      depthTexture.type = UnsignedIntType;\n    }\n    return depthTexture;\n  }\n  deleteDepthTexture() {\n    if (this.depthTexture !== null) {\n      this.depthTexture.dispose();\n      this.depthTexture = null;\n      this.inputBuffer.depthTexture = null;\n      this.inputBuffer.dispose();\n      for (const pass of this.passes) {\n        pass.setDepthTexture(null);\n      }\n    }\n  }\n  createBuffer(depthBuffer, stencilBuffer, type, multisampling) {\n    const renderer = this.renderer;\n    const context = renderer.getContext();\n    const size = renderer.getDrawingBufferSize(new Vector213());\n    const alpha = this.alpha || context.getContextAttributes().alpha;\n    const options = {\n      format: !alpha && type === UnsignedByteType8 ? RGBFormat4 : RGBAFormat3,\n      minFilter: LinearFilter4,\n      magFilter: LinearFilter4,\n      stencilBuffer,\n      depthBuffer,\n      type\n    };\n    const renderTarget = multisampling > 0 ? new WebGLMultisampleRenderTarget(size.width, size.height, options) : new WebGLRenderTarget9(size.width, size.height, options);\n    if (multisampling > 0) {\n      renderTarget.samples = multisampling;\n    }\n    renderTarget.texture.name = \"EffectComposer.Buffer\";\n    renderTarget.texture.generateMipmaps = false;\n    return renderTarget;\n  }\n  addPass(pass, index) {\n    const passes = this.passes;\n    const renderer = this.renderer;\n    const drawingBufferSize = renderer.getDrawingBufferSize(new Vector213());\n    const alpha = renderer.getContext().getContextAttributes().alpha;\n    const frameBufferType = this.inputBuffer.texture.type;\n    pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n    pass.initialize(renderer, alpha, frameBufferType);\n    if (this.autoRenderToScreen) {\n      if (passes.length > 0) {\n        passes[passes.length - 1].renderToScreen = false;\n      }\n      if (pass.renderToScreen) {\n        this.autoRenderToScreen = false;\n      }\n    }\n    if (index !== void 0) {\n      passes.splice(index, 0, pass);\n    } else {\n      passes.push(pass);\n    }\n    if (this.autoRenderToScreen) {\n      passes[passes.length - 1].renderToScreen = true;\n    }\n    if (pass.needsDepthTexture || this.depthTexture !== null) {\n      if (this.depthTexture === null) {\n        const depthTexture = this.createDepthTexture();\n        for (pass of passes) {\n          pass.setDepthTexture(depthTexture);\n        }\n      } else {\n        pass.setDepthTexture(this.depthTexture);\n      }\n    }\n  }\n  removePass(pass) {\n    const passes = this.passes;\n    const index = passes.indexOf(pass);\n    const exists = index !== -1;\n    const removed = exists && passes.splice(index, 1).length > 0;\n    if (removed) {\n      if (this.depthTexture !== null) {\n        const reducer = (a, b) => a || b.needsDepthTexture;\n        const depthTextureRequired = passes.reduce(reducer, false);\n        if (!depthTextureRequired) {\n          if (pass.getDepthTexture() === this.depthTexture) {\n            pass.setDepthTexture(null);\n          }\n          this.deleteDepthTexture();\n        }\n      }\n      if (this.autoRenderToScreen) {\n        if (index === passes.length) {\n          pass.renderToScreen = false;\n          if (passes.length > 0) {\n            passes[passes.length - 1].renderToScreen = true;\n          }\n        }\n      }\n    }\n  }\n  removeAllPasses() {\n    const passes = this.passes;\n    this.deleteDepthTexture();\n    if (passes.length > 0) {\n      if (this.autoRenderToScreen) {\n        passes[passes.length - 1].renderToScreen = false;\n      }\n      this.passes = [];\n    }\n  }\n  render(deltaTime) {\n    const renderer = this.renderer;\n    const copyPass = this.copyPass;\n    let inputBuffer = this.inputBuffer;\n    let outputBuffer = this.outputBuffer;\n    let stencilTest = false;\n    let context, stencil, buffer;\n    for (const pass of this.passes) {\n      if (pass.enabled) {\n        pass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n        if (pass.needsSwap) {\n          if (stencilTest) {\n            copyPass.renderToScreen = pass.renderToScreen;\n            context = renderer.getContext();\n            stencil = renderer.state.buffers.stencil;\n            stencil.setFunc(context.NOTEQUAL, 1, 4294967295);\n            copyPass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n            stencil.setFunc(context.EQUAL, 1, 4294967295);\n          }\n          buffer = inputBuffer;\n          inputBuffer = outputBuffer;\n          outputBuffer = buffer;\n        }\n        if (pass instanceof MaskPass) {\n          stencilTest = true;\n        } else if (pass instanceof ClearMaskPass) {\n          stencilTest = false;\n        }\n      }\n    }\n  }\n  setSize(width, height, updateStyle) {\n    const renderer = this.renderer;\n    if (width === void 0 || height === void 0) {\n      const size = renderer.getSize(new Vector213());\n      width = size.width;\n      height = size.height;\n    } else {\n      renderer.setSize(width, height, updateStyle);\n    }\n    const drawingBufferSize = renderer.getDrawingBufferSize(new Vector213());\n    const inputBuffer = this.inputBuffer;\n    const outputBuffer = this.outputBuffer;\n    inputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n    outputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n    for (const pass of this.passes) {\n      pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n    }\n  }\n  reset() {\n    this.dispose();\n    this.autoRenderToScreen = true;\n  }\n  dispose() {\n    for (const pass of this.passes) {\n      pass.dispose();\n    }\n    this.passes = [];\n    if (this.inputBuffer !== null) {\n      this.inputBuffer.dispose();\n    }\n    if (this.outputBuffer !== null) {\n      this.outputBuffer.dispose();\n    }\n    this.deleteDepthTexture();\n    this.copyPass.dispose();\n  }\n};\n\n// src/core/Initializable.js\nvar Initializable = class {\n  initialize(renderer, alpha, frameBufferType) {\n  }\n};\n\n// src/core/Resizable.js\nvar Resizable = class {\n  setSize(width, height) {\n  }\n};\n\n// src/core/Selection.js\nvar Selection = class extends Set {\n  constructor(iterable, layer = 10) {\n    super();\n    this.currentLayer = layer;\n    this.exclusive = false;\n    if (iterable !== void 0) {\n      this.set(iterable);\n    }\n  }\n  get layer() {\n    return this.currentLayer;\n  }\n  set layer(value) {\n    const currentLayer = this.currentLayer;\n    for (const object of this) {\n      object.layers.disable(currentLayer);\n      object.layers.enable(value);\n    }\n    this.currentLayer = value;\n  }\n  clear() {\n    const layer = this.layer;\n    for (const object of this) {\n      object.layers.disable(layer);\n    }\n    return super.clear();\n  }\n  set(objects) {\n    this.clear();\n    for (const object of objects) {\n      this.add(object);\n    }\n    return this;\n  }\n  indexOf(object) {\n    return this.has(object) ? 0 : -1;\n  }\n  add(object) {\n    if (this.exclusive) {\n      object.layers.set(this.layer);\n    } else {\n      object.layers.enable(this.layer);\n    }\n    return super.add(object);\n  }\n  delete(object) {\n    if (this.has(object)) {\n      object.layers.disable(this.layer);\n    }\n    return super.delete(object);\n  }\n  setVisible(visible) {\n    for (const object of this) {\n      if (visible) {\n        object.layers.enable(0);\n      } else {\n        object.layers.disable(0);\n      }\n    }\n    return this;\n  }\n};\n\n// src/effects/BloomEffect.js\nimport {\n  LinearFilter as LinearFilter5,\n  RGBFormat as RGBFormat5,\n  Uniform as Uniform20,\n  UnsignedByteType as UnsignedByteType9,\n  WebGLRenderTarget as WebGLRenderTarget10\n} from \"three\";\n\n// src/effects/glsl/bloom/shader.frag\nvar shader_default46 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=clamp(texture2D(map,uv)*intensity,0.0,1.0);}\";\n\n// src/effects/BloomEffect.js\nvar BloomEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.SCREEN,\n    luminanceThreshold = 0.9,\n    luminanceSmoothing = 0.025,\n    resolutionScale = 0.5,\n    intensity = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    kernelSize = KernelSize.LARGE\n  } = {}) {\n    super(\"BloomEffect\", shader_default46, {\n      blendFunction,\n      uniforms: new Map([\n        [\"map\", new Uniform20(null)],\n        [\"intensity\", new Uniform20(intensity)]\n      ])\n    });\n    this.renderTarget = new WebGLRenderTarget10(1, 1, {\n      minFilter: LinearFilter5,\n      magFilter: LinearFilter5,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTarget.texture.name = \"Bloom.Target\";\n    this.renderTarget.texture.generateMipmaps = false;\n    this.uniforms.get(\"map\").value = this.renderTarget.texture;\n    this.blurPass = new BlurPass({\n      resolutionScale,\n      width,\n      height,\n      kernelSize\n    });\n    this.blurPass.resolution.resizable = this;\n    this.luminancePass = new LuminancePass({\n      renderTarget: this.renderTarget,\n      colorOutput: true\n    });\n    this.luminancePass.resolution = this.resolution;\n    this.luminanceMaterial.threshold = luminanceThreshold;\n    this.luminanceMaterial.smoothing = luminanceSmoothing;\n  }\n  get texture() {\n    return this.renderTarget.texture;\n  }\n  get luminanceMaterial() {\n    return this.luminancePass.getFullscreenMaterial();\n  }\n  get resolution() {\n    return this.blurPass.resolution;\n  }\n  get width() {\n    return this.resolution.width;\n  }\n  set width(value) {\n    this.resolution.width = value;\n  }\n  get height() {\n    return this.resolution.height;\n  }\n  set height(value) {\n    this.resolution.height = value;\n  }\n  get dithering() {\n    return this.blurPass.dithering;\n  }\n  set dithering(value) {\n    this.blurPass.dithering = value;\n  }\n  get kernelSize() {\n    return this.blurPass.kernelSize;\n  }\n  set kernelSize(value) {\n    this.blurPass.kernelSize = value;\n  }\n  get distinction() {\n    console.warn(this.name, \"The distinction field has been removed, use .threshold and .smoothing instead.\");\n    return 1;\n  }\n  set distinction(value) {\n    console.warn(this.name, \"The distinction field has been removed, use .threshold and .smoothing instead.\");\n  }\n  get intensity() {\n    return this.uniforms.get(\"intensity\").value;\n  }\n  set intensity(value) {\n    this.uniforms.get(\"intensity\").value = value;\n  }\n  getResolutionScale() {\n    return this.resolution.scale;\n  }\n  setResolutionScale(scale) {\n    this.resolution.scale = scale;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const renderTarget = this.renderTarget;\n    if (this.luminancePass.enabled) {\n      this.luminancePass.render(renderer, inputBuffer, renderTarget);\n      this.blurPass.render(renderer, renderTarget, renderTarget);\n    } else {\n      this.blurPass.render(renderer, inputBuffer, renderTarget);\n    }\n  }\n  setSize(width, height) {\n    this.blurPass.setSize(width, height);\n    this.renderTarget.setSize(this.resolution.width, this.resolution.height);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    this.blurPass.initialize(renderer, alpha, frameBufferType);\n    if (!alpha && frameBufferType === UnsignedByteType9) {\n      this.renderTarget.texture.format = RGBFormat5;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTarget.texture.type = frameBufferType;\n    }\n  }\n};\n\n// src/effects/BokehEffect.js\nimport { Uniform as Uniform21 } from \"three\";\n\n// src/effects/glsl/bokeh/shader.frag\nvar shader_default47 = \"uniform float focus;uniform float dof;uniform float aperture;uniform float maxBlur;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec2 aspectCorrection=vec2(1.0,aspect);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat focusNear=clamp(focus-dof,0.0,1.0);float focusFar=clamp(focus+dof,0.0,1.0);float low=step(linearDepth,focusNear);float high=step(focusFar,linearDepth);float factor=(linearDepth-focusNear)*low+(linearDepth-focusFar)*high;vec2 dofBlur=vec2(clamp(factor*aperture,-maxBlur,maxBlur));vec2 dofblur9=dofBlur*0.9;vec2 dofblur7=dofBlur*0.7;vec2 dofblur4=dofBlur*0.4;vec4 color=inputColor;color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur4);outputColor=color/41.0;}\";\n\n// src/effects/BokehEffect.js\nvar BokehEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    focus = 0.5,\n    dof = 0.02,\n    aperture = 0.015,\n    maxBlur = 1\n  } = {}) {\n    super(\"BokehEffect\", shader_default47, {\n      blendFunction,\n      attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"focus\", new Uniform21(focus)],\n        [\"dof\", new Uniform21(dof)],\n        [\"aperture\", new Uniform21(aperture)],\n        [\"maxBlur\", new Uniform21(maxBlur)]\n      ])\n    });\n  }\n};\n\n// src/effects/BrightnessContrastEffect.js\nimport { Uniform as Uniform22 } from \"three\";\n\n// src/effects/glsl/brightness-contrast/shader.frag\nvar shader_default48 = \"uniform float brightness;uniform float contrast;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=inputColor.rgb+vec3(brightness-0.5);if(contrast>0.0){color/=vec3(1.0-contrast);}else{color*=vec3(1.0+contrast);}outputColor=vec4(min(color+vec3(0.5),1.0),inputColor.a);}\";\n\n// src/effects/BrightnessContrastEffect.js\nvar BrightnessContrastEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    brightness = 0,\n    contrast = 0\n  } = {}) {\n    super(\"BrightnessContrastEffect\", shader_default48, {\n      blendFunction,\n      uniforms: new Map([\n        [\"brightness\", new Uniform22(brightness)],\n        [\"contrast\", new Uniform22(contrast)]\n      ])\n    });\n  }\n};\n\n// src/effects/glsl/color-average/shader.frag\nvar shader_default49 = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float sum=inputColor.r+inputColor.g+inputColor.b;outputColor=vec4(vec3(sum/3.0),inputColor.a);}\";\n\n// src/effects/ColorAverageEffect.js\nvar ColorAverageEffect = class extends Effect {\n  constructor(blendFunction = BlendFunction.NORMAL) {\n    super(\"ColorAverageEffect\", shader_default49, { blendFunction });\n  }\n};\n\n// src/effects/ColorDepthEffect.js\nimport { Uniform as Uniform23 } from \"three\";\n\n// src/effects/glsl/color-depth/shader.frag\nvar shader_default50 = \"uniform float factor;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(floor(inputColor.rgb*factor+0.5)/factor,inputColor.a);}\";\n\n// src/effects/ColorDepthEffect.js\nvar ColorDepthEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    bits = 16\n  } = {}) {\n    super(\"ColorDepthEffect\", shader_default50, {\n      blendFunction,\n      uniforms: new Map([\n        [\"factor\", new Uniform23(1)]\n      ])\n    });\n    this.bits = 0;\n    this.setBitDepth(bits);\n  }\n  getBitDepth() {\n    return this.bits;\n  }\n  setBitDepth(bits) {\n    this.bits = bits;\n    this.uniforms.get(\"factor\").value = Math.pow(2, bits / 3);\n  }\n};\n\n// src/effects/ChromaticAberrationEffect.js\nimport { Uniform as Uniform24, Vector2 as Vector214 } from \"three\";\n\n// src/effects/glsl/chromatic-aberration/shader.frag\nvar shader_default51 = \"varying vec2 vUvR;varying vec2 vUvB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 color=inputColor;\\n#ifdef ALPHA\\nvec2 ra=texture2D(inputBuffer,vUvR).ra;vec2 ba=texture2D(inputBuffer,vUvB).ba;color.r=ra.x;color.b=ba.x;color.a=max(max(ra.y,ba.y),inputColor.a);\\n#else\\ncolor.r=texture2D(inputBuffer,vUvR).r;color.b=texture2D(inputBuffer,vUvB).b;\\n#endif\\noutputColor=color;}\";\n\n// src/effects/glsl/chromatic-aberration/shader.vert\nvar shader_default52 = \"uniform vec2 offset;varying vec2 vUvR;varying vec2 vUvB;void mainSupport(const in vec2 uv){vUvR=uv+offset;vUvB=uv-offset;}\";\n\n// src/effects/ChromaticAberrationEffect.js\nvar ChromaticAberrationEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    offset = new Vector214(1e-3, 5e-4)\n  } = {}) {\n    super(\"ChromaticAberrationEffect\", shader_default51, {\n      vertexShader: shader_default52,\n      blendFunction,\n      attributes: EffectAttribute.CONVOLUTION,\n      uniforms: new Map([\n        [\"offset\", new Uniform24(offset)]\n      ])\n    });\n  }\n  get offset() {\n    return this.uniforms.get(\"offset\").value;\n  }\n  set offset(value) {\n    this.uniforms.get(\"offset\").value = value;\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    if (alpha) {\n      this.defines.set(\"ALPHA\", \"1\");\n    } else {\n      this.defines.delete(\"ALPHA\");\n    }\n  }\n};\n\n// src/effects/glsl/depth/shader.frag\nvar shader_default53 = \"void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef INVERTED\\nvec3 color=vec3(1.0-depth);\\n#else\\nvec3 color=vec3(depth);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DepthEffect.js\nvar DepthEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    inverted = false\n  } = {}) {\n    super(\"DepthEffect\", shader_default53, {\n      blendFunction,\n      attributes: EffectAttribute.DEPTH\n    });\n    this.inverted = inverted;\n  }\n  get inverted() {\n    return this.defines.has(\"INVERTED\");\n  }\n  set inverted(value) {\n    if (this.inverted !== value) {\n      if (value) {\n        this.defines.set(\"INVERTED\", \"1\");\n      } else {\n        this.defines.delete(\"INVERTED\");\n      }\n      this.setChanged();\n    }\n  }\n};\n\n// src/effects/DepthOfFieldEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking4,\n  LinearFilter as LinearFilter6,\n  RGBFormat as RGBFormat6,\n  Uniform as Uniform25,\n  UnsignedByteType as UnsignedByteType10,\n  WebGLRenderTarget as WebGLRenderTarget11\n} from \"three\";\n\n// src/effects/glsl/depth-of-field/shader.frag\nvar shader_default54 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D nearColorBuffer;uniform mediump sampler2D farColorBuffer;\\n#else\\nuniform lowp sampler2D nearColorBuffer;uniform lowp sampler2D farColorBuffer;\\n#endif\\nuniform lowp sampler2D nearCoCBuffer;uniform float scale;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec4 colorNear=texture2D(nearColorBuffer,uv);vec4 colorFar=texture2D(farColorBuffer,uv);float CoCNear=texture2D(nearCoCBuffer,uv).r;CoCNear=min(CoCNear*scale,1.0);vec4 result=inputColor*(1.0-colorFar.a)+colorFar;result=mix(result,colorNear,CoCNear);outputColor=result;}\";\n\n// src/effects/DepthOfFieldEffect.js\nvar DepthOfFieldEffect = class extends Effect {\n  constructor(camera, {\n    blendFunction = BlendFunction.NORMAL,\n    focusDistance = 0,\n    focalLength = 0.1,\n    bokehScale = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE\n  } = {}) {\n    super(\"DepthOfFieldEffect\", shader_default54, {\n      blendFunction,\n      attributes: EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"nearColorBuffer\", new Uniform25(null)],\n        [\"farColorBuffer\", new Uniform25(null)],\n        [\"nearCoCBuffer\", new Uniform25(null)],\n        [\"scale\", new Uniform25(1)]\n      ])\n    });\n    this.camera = camera;\n    this.renderTarget = new WebGLRenderTarget11(1, 1, {\n      minFilter: LinearFilter6,\n      magFilter: LinearFilter6,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTarget.texture.name = \"DoF.Intermediate\";\n    this.renderTarget.texture.generateMipmaps = false;\n    this.renderTargetMasked = this.renderTarget.clone();\n    this.renderTargetMasked.texture.name = \"DoF.Masked.Far\";\n    this.renderTargetNear = this.renderTarget.clone();\n    this.renderTargetNear.texture.name = \"DoF.Bokeh.Near\";\n    this.uniforms.get(\"nearColorBuffer\").value = this.renderTargetNear.texture;\n    this.renderTargetFar = this.renderTarget.clone();\n    this.renderTargetFar.texture.name = \"DoF.Bokeh.Far\";\n    this.uniforms.get(\"farColorBuffer\").value = this.renderTargetFar.texture;\n    this.renderTargetCoC = this.renderTarget.clone();\n    this.renderTargetCoC.texture.format = RGBFormat6;\n    this.renderTargetCoC.texture.name = \"DoF.CoC\";\n    this.renderTargetCoCBlurred = this.renderTargetCoC.clone();\n    this.renderTargetCoCBlurred.texture.name = \"DoF.CoC.Blurred\";\n    this.uniforms.get(\"nearCoCBuffer\").value = this.renderTargetCoCBlurred.texture;\n    this.cocPass = new ShaderPass(new CircleOfConfusionMaterial(camera));\n    const cocMaterial = this.circleOfConfusionMaterial;\n    cocMaterial.uniforms.focusDistance.value = focusDistance;\n    cocMaterial.uniforms.focalLength.value = focalLength;\n    this.blurPass = new BlurPass({\n      width,\n      height,\n      kernelSize: KernelSize.MEDIUM\n    });\n    this.blurPass.resolution.resizable = this;\n    this.maskPass = new ShaderPass(new MaskMaterial(this.renderTargetCoC.texture));\n    const maskMaterial = this.maskPass.getFullscreenMaterial();\n    maskMaterial.maskFunction = MaskFunction.MULTIPLY;\n    maskMaterial.colorChannel = ColorChannel.GREEN;\n    this.bokehNearBasePass = new ShaderPass(new BokehMaterial(false, true));\n    this.bokehNearFillPass = new ShaderPass(new BokehMaterial(true, true));\n    this.bokehFarBasePass = new ShaderPass(new BokehMaterial(false, false));\n    this.bokehFarFillPass = new ShaderPass(new BokehMaterial(true, false));\n    this.bokehScale = bokehScale;\n    this.target = null;\n  }\n  get circleOfConfusionMaterial() {\n    return this.cocPass.getFullscreenMaterial();\n  }\n  get resolution() {\n    return this.blurPass.resolution;\n  }\n  get bokehScale() {\n    return this.uniforms.get(\"scale\").value;\n  }\n  set bokehScale(value) {\n    const passes = [\n      this.bokehNearBasePass,\n      this.bokehNearFillPass,\n      this.bokehFarBasePass,\n      this.bokehFarFillPass\n    ];\n    passes.map((p) => p.getFullscreenMaterial().uniforms.scale).forEach((u) => {\n      u.value = value;\n    });\n    this.maskPass.getFullscreenMaterial().uniforms.strength.value = value;\n    this.uniforms.get(\"scale\").value = value;\n  }\n  calculateFocusDistance(target) {\n    const camera = this.camera;\n    const viewDistance = camera.far - camera.near;\n    const distance = camera.position.distanceTo(target);\n    return Math.min(Math.max(distance / viewDistance, 0), 1);\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking4) {\n    const material = this.circleOfConfusionMaterial;\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.depthPacking = depthPacking;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const renderTarget = this.renderTarget;\n    const renderTargetCoC = this.renderTargetCoC;\n    const renderTargetCoCBlurred = this.renderTargetCoCBlurred;\n    const renderTargetMasked = this.renderTargetMasked;\n    const bokehFarBasePass = this.bokehFarBasePass;\n    const bokehFarFillPass = this.bokehFarFillPass;\n    const farBaseUniforms = bokehFarBasePass.getFullscreenMaterial().uniforms;\n    const farFillUniforms = bokehFarFillPass.getFullscreenMaterial().uniforms;\n    const bokehNearBasePass = this.bokehNearBasePass;\n    const bokehNearFillPass = this.bokehNearFillPass;\n    const nearBaseUniforms = bokehNearBasePass.getFullscreenMaterial().uniforms;\n    const nearFillUniforms = bokehNearFillPass.getFullscreenMaterial().uniforms;\n    if (this.target !== null) {\n      const distance = this.calculateFocusDistance(this.target);\n      this.circleOfConfusionMaterial.uniforms.focusDistance.value = distance;\n    }\n    this.cocPass.render(renderer, null, renderTargetCoC);\n    this.blurPass.render(renderer, renderTargetCoC, renderTargetCoCBlurred);\n    this.maskPass.render(renderer, inputBuffer, renderTargetMasked);\n    farBaseUniforms.cocBuffer.value = renderTargetCoC.texture;\n    farFillUniforms.cocBuffer.value = renderTargetCoC.texture;\n    bokehFarBasePass.render(renderer, renderTargetMasked, renderTarget);\n    bokehFarFillPass.render(renderer, renderTarget, this.renderTargetFar);\n    nearBaseUniforms.cocBuffer.value = renderTargetCoCBlurred.texture;\n    nearFillUniforms.cocBuffer.value = renderTargetCoCBlurred.texture;\n    bokehNearBasePass.render(renderer, inputBuffer, renderTarget);\n    bokehNearFillPass.render(renderer, renderTarget, this.renderTargetNear);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    let resizables = [\n      this.cocPass,\n      this.blurPass,\n      this.maskPass,\n      this.bokehNearBasePass,\n      this.bokehNearFillPass,\n      this.bokehFarBasePass,\n      this.bokehFarFillPass\n    ];\n    resizables.push(this.renderTargetCoC, this.renderTargetMasked);\n    resizables.forEach((r) => r.setSize(width, height));\n    const w = resolution.width;\n    const h = resolution.height;\n    resizables = [\n      this.renderTarget,\n      this.renderTargetNear,\n      this.renderTargetFar,\n      this.renderTargetCoCBlurred\n    ];\n    resizables.forEach((r) => r.setSize(w, h));\n    const passes = [\n      this.bokehNearBasePass,\n      this.bokehNearFillPass,\n      this.bokehFarBasePass,\n      this.bokehFarFillPass\n    ];\n    passes.forEach((p) => p.getFullscreenMaterial().setTexelSize(1 / w, 1 / h));\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    const initializables = [\n      this.cocPass,\n      this.maskPass,\n      this.bokehNearBasePass,\n      this.bokehNearFillPass,\n      this.bokehFarBasePass,\n      this.bokehFarFillPass\n    ];\n    initializables.forEach((i) => i.initialize(renderer, alpha, frameBufferType));\n    this.blurPass.initialize(renderer, alpha, UnsignedByteType10);\n    if (!alpha && frameBufferType === UnsignedByteType10) {\n      this.renderTargetNear.texture.type = RGBFormat6;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTarget.texture.type = frameBufferType;\n      this.renderTargetNear.texture.type = frameBufferType;\n      this.renderTargetFar.texture.type = frameBufferType;\n      this.renderTargetMasked.texture.type = frameBufferType;\n    }\n  }\n};\n\n// src/effects/DotScreenEffect.js\nimport { Uniform as Uniform26, Vector2 as Vector215 } from \"three\";\n\n// src/effects/glsl/dot-screen/shader.frag\nvar shader_default55 = \"uniform vec2 angle;uniform float scale;float pattern(const in vec2 uv){vec2 point=scale*vec2(dot(angle.yx,vec2(uv.x,-uv.y)),dot(angle,uv));return(sin(point.x)*sin(point.y))*4.0;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(inputColor.rgb*10.0-5.0+pattern(uv*resolution));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DotScreenEffect.js\nvar DotScreenEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    angle = Math.PI * 0.5,\n    scale = 1\n  } = {}) {\n    super(\"DotScreenEffect\", shader_default55, {\n      blendFunction,\n      uniforms: new Map([\n        [\"angle\", new Uniform26(new Vector215())],\n        [\"scale\", new Uniform26(scale)]\n      ])\n    });\n    this.setAngle(angle);\n  }\n  setAngle(angle) {\n    this.uniforms.get(\"angle\").value.set(Math.sin(angle), Math.cos(angle));\n  }\n};\n\n// src/effects/GammaCorrectionEffect.js\nimport { Uniform as Uniform27 } from \"three\";\n\n// src/effects/glsl/gamma-correction/shader.frag\nvar shader_default56 = \"uniform float gamma;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=LinearToGamma(max(inputColor,0.0),gamma);}\";\n\n// src/effects/GammaCorrectionEffect.js\nvar GammaCorrectionEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    gamma = 2\n  } = {}) {\n    super(\"GammaCorrectionEffect\", shader_default56, {\n      blendFunction,\n      uniforms: new Map([\n        [\"gamma\", new Uniform27(gamma)]\n      ])\n    });\n  }\n};\n\n// src/effects/GlitchEffect.js\nimport {\n  NearestFilter as NearestFilter6,\n  RepeatWrapping,\n  RGBFormat as RGBFormat8,\n  Uniform as Uniform28,\n  Vector2 as Vector216\n} from \"three\";\n\n// src/images/textures/NoiseTexture.js\nimport {\n  DataTexture,\n  LuminanceFormat as LuminanceFormat2,\n  RedFormat,\n  RGFormat,\n  RGBFormat as RGBFormat7,\n  RGBAFormat as RGBAFormat4,\n  UnsignedByteType as UnsignedByteType11\n} from \"three\";\nfunction getNoise(size, format, type) {\n  const channels = new Map([\n    [LuminanceFormat2, 1],\n    [RedFormat, 1],\n    [RGFormat, 2],\n    [RGBFormat7, 3],\n    [RGBAFormat4, 4]\n  ]);\n  let data;\n  if (!channels.has(format)) {\n    console.error(\"Invalid noise texture format\");\n  }\n  if (type === UnsignedByteType11) {\n    data = new Uint8Array(size * channels.get(format));\n    for (let i = 0, l = data.length; i < l; ++i) {\n      data[i] = Math.random() * 255;\n    }\n  } else {\n    data = new Float32Array(size * channels.get(format));\n    for (let i = 0, l = data.length; i < l; ++i) {\n      data[i] = Math.random();\n    }\n  }\n  return data;\n}\nvar NoiseTexture = class extends DataTexture {\n  constructor(width, height, format = LuminanceFormat2, type = UnsignedByteType11) {\n    super(getNoise(width * height, format, type), width, height, format, type);\n  }\n};\n\n// src/effects/glsl/glitch/shader.frag\nvar shader_default57 = \"uniform lowp sampler2D perturbationMap;uniform bool active;uniform float columns;uniform float random;uniform vec2 seed;uniform vec2 distortion;void mainUv(inout vec2 uv){if(active){if(uv.y<distortion.x+columns&&uv.y>distortion.x-columns*random){float sx=clamp(ceil(seed.x),0.0,1.0);uv.y=sx*(1.0-(uv.y+distortion.y))+(1.0-sx)*distortion.y;}if(uv.x<distortion.y+columns&&uv.x>distortion.y-columns*random){float sy=clamp(ceil(seed.y),0.0,1.0);uv.x=sy*distortion.x+(1.0-sy)*(1.0-(uv.x+distortion.x));}vec2 normal=texture2D(perturbationMap,uv*random*random).rg;uv+=normal*seed*(random*0.2);}}\";\n\n// src/effects/GlitchEffect.js\nvar tag = \"Glitch.Generated\";\nfunction randomFloat(low, high) {\n  return low + Math.random() * (high - low);\n}\nvar GlitchEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    chromaticAberrationOffset = null,\n    delay = new Vector216(1.5, 3.5),\n    duration = new Vector216(0.6, 1),\n    strength = new Vector216(0.3, 1),\n    columns = 0.05,\n    ratio = 0.85,\n    perturbationMap = null,\n    dtSize = 64\n  } = {}) {\n    super(\"GlitchEffect\", shader_default57, {\n      blendFunction,\n      uniforms: new Map([\n        [\"perturbationMap\", new Uniform28(null)],\n        [\"columns\", new Uniform28(columns)],\n        [\"active\", new Uniform28(false)],\n        [\"random\", new Uniform28(1)],\n        [\"seed\", new Uniform28(new Vector216())],\n        [\"distortion\", new Uniform28(new Vector216())]\n      ])\n    });\n    this.setPerturbationMap(perturbationMap === null ? this.generatePerturbationMap(dtSize) : perturbationMap);\n    this.delay = delay;\n    this.duration = duration;\n    this.breakPoint = new Vector216(randomFloat(this.delay.x, this.delay.y), randomFloat(this.duration.x, this.duration.y));\n    this.time = 0;\n    this.seed = this.uniforms.get(\"seed\").value;\n    this.distortion = this.uniforms.get(\"distortion\").value;\n    this.mode = GlitchMode.SPORADIC;\n    this.strength = strength;\n    this.ratio = ratio;\n    this.chromaticAberrationOffset = chromaticAberrationOffset;\n  }\n  get active() {\n    return this.uniforms.get(\"active\").value;\n  }\n  getPerturbationMap() {\n    return this.uniforms.get(\"perturbationMap\").value;\n  }\n  setPerturbationMap(map) {\n    const currentMap = this.getPerturbationMap();\n    if (currentMap !== null && currentMap.name === tag) {\n      currentMap.dispose();\n    }\n    map.minFilter = map.magFilter = NearestFilter6;\n    map.wrapS = map.wrapT = RepeatWrapping;\n    map.generateMipmaps = false;\n    this.uniforms.get(\"perturbationMap\").value = map;\n  }\n  generatePerturbationMap(size = 64) {\n    const map = new NoiseTexture(size, size, RGBFormat8);\n    map.name = tag;\n    return map;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const mode = this.mode;\n    const breakPoint = this.breakPoint;\n    const offset = this.chromaticAberrationOffset;\n    const s = this.strength;\n    let time = this.time;\n    let active = false;\n    let r = 0, a = 0;\n    let trigger;\n    if (mode !== GlitchMode.DISABLED) {\n      if (mode === GlitchMode.SPORADIC) {\n        time += deltaTime;\n        trigger = time > breakPoint.x;\n        if (time >= breakPoint.x + breakPoint.y) {\n          breakPoint.set(randomFloat(this.delay.x, this.delay.y), randomFloat(this.duration.x, this.duration.y));\n          time = 0;\n        }\n      }\n      r = Math.random();\n      this.uniforms.get(\"random\").value = r;\n      if (trigger && r > this.ratio || mode === GlitchMode.CONSTANT_WILD) {\n        active = true;\n        r *= s.y * 0.03;\n        a = randomFloat(-Math.PI, Math.PI);\n        this.seed.set(randomFloat(-s.y, s.y), randomFloat(-s.y, s.y));\n        this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n      } else if (trigger || mode === GlitchMode.CONSTANT_MILD) {\n        active = true;\n        r *= s.x * 0.03;\n        a = randomFloat(-Math.PI, Math.PI);\n        this.seed.set(randomFloat(-s.x, s.x), randomFloat(-s.x, s.x));\n        this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n      }\n      this.time = time;\n    }\n    if (offset !== null) {\n      if (active) {\n        offset.set(Math.cos(a), Math.sin(a)).multiplyScalar(r);\n      } else {\n        offset.set(0, 0);\n      }\n    }\n    this.uniforms.get(\"active\").value = active;\n  }\n};\nvar GlitchMode = {\n  DISABLED: 0,\n  SPORADIC: 1,\n  CONSTANT_MILD: 2,\n  CONSTANT_WILD: 3\n};\n\n// src/effects/GodRaysEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking5,\n  Color as Color4,\n  DepthTexture as DepthTexture2,\n  LinearFilter as LinearFilter7,\n  Matrix4 as Matrix42,\n  RGBFormat as RGBFormat9,\n  Scene as Scene3,\n  Uniform as Uniform29,\n  Vector2 as Vector217,\n  Vector3,\n  UnsignedByteType as UnsignedByteType12,\n  WebGLRenderTarget as WebGLRenderTarget12\n} from \"three\";\n\n// src/effects/glsl/god-rays/shader.frag\nvar shader_default58 = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv);}\";\n\n// src/effects/GodRaysEffect.js\nvar v = new Vector3();\nvar m = new Matrix42();\nvar GodRaysEffect = class extends Effect {\n  constructor(camera, lightSource, {\n    blendFunction = BlendFunction.SCREEN,\n    samples = 60,\n    density = 0.96,\n    decay = 0.9,\n    weight = 0.4,\n    exposure = 0.6,\n    clampMax = 1,\n    resolutionScale = 0.5,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    kernelSize = KernelSize.SMALL,\n    blur = true\n  } = {}) {\n    super(\"GodRaysEffect\", shader_default58, {\n      blendFunction,\n      attributes: EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"map\", new Uniform29(null)]\n      ])\n    });\n    this.camera = camera;\n    this.lightSource = lightSource;\n    this.lightSource.material.depthWrite = false;\n    this.lightSource.material.transparent = true;\n    this.lightScene = new Scene3();\n    this.screenPosition = new Vector217();\n    this.renderTargetA = new WebGLRenderTarget12(1, 1, {\n      minFilter: LinearFilter7,\n      magFilter: LinearFilter7,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTargetA.texture.name = \"GodRays.Target.A\";\n    this.renderTargetB = this.renderTargetA.clone();\n    this.renderTargetB.texture.name = \"GodRays.Target.B\";\n    this.uniforms.get(\"map\").value = this.renderTargetB.texture;\n    this.renderTargetLight = this.renderTargetA.clone();\n    this.renderTargetLight.texture.name = \"GodRays.Light\";\n    this.renderTargetLight.depthBuffer = true;\n    this.renderTargetLight.depthTexture = new DepthTexture2();\n    this.renderPassLight = new RenderPass(this.lightScene, camera);\n    this.renderPassLight.getClearPass().overrideClearColor = new Color4(0);\n    this.clearPass = new ClearPass(true, false, false);\n    this.clearPass.overrideClearColor = new Color4(0);\n    this.blurPass = new BlurPass({\n      resolutionScale,\n      width,\n      height,\n      kernelSize\n    });\n    this.blurPass.resolution.resizable = this;\n    this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n    const depthMaskMaterial = this.depthMaskPass.getFullscreenMaterial();\n    depthMaskMaterial.uniforms.depthBuffer1.value = this.renderTargetLight.depthTexture;\n    this.godRaysPass = new ShaderPass(new GodRaysMaterial(this.screenPosition));\n    const godRaysMaterial = this.godRaysPass.getFullscreenMaterial();\n    godRaysMaterial.uniforms.density.value = density;\n    godRaysMaterial.uniforms.decay.value = decay;\n    godRaysMaterial.uniforms.weight.value = weight;\n    godRaysMaterial.uniforms.exposure.value = exposure;\n    godRaysMaterial.uniforms.clampMax.value = clampMax;\n    this.samples = samples;\n    this.blur = blur;\n  }\n  get texture() {\n    return this.renderTargetB.texture;\n  }\n  get godRaysMaterial() {\n    return this.godRaysPass.getFullscreenMaterial();\n  }\n  get resolution() {\n    return this.blurPass.resolution;\n  }\n  get width() {\n    return this.resolution.width;\n  }\n  set width(value) {\n    this.resolution.width = value;\n  }\n  get height() {\n    return this.resolution.height;\n  }\n  set height(value) {\n    this.resolution.height = value;\n  }\n  get dithering() {\n    return this.godRaysMaterial.dithering;\n  }\n  set dithering(value) {\n    const material = this.godRaysMaterial;\n    material.dithering = value;\n    material.needsUpdate = true;\n  }\n  get blur() {\n    return this.blurPass.enabled;\n  }\n  set blur(value) {\n    this.blurPass.enabled = value;\n  }\n  get kernelSize() {\n    return this.blurPass.kernelSize;\n  }\n  set kernelSize(value) {\n    this.blurPass.kernelSize = value;\n  }\n  getResolutionScale() {\n    return this.resolution.scale;\n  }\n  setResolutionScale(scale) {\n    this.resolution.scale = scale;\n  }\n  get samples() {\n    return this.godRaysMaterial.samples;\n  }\n  set samples(value) {\n    this.godRaysMaterial.samples = value;\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking5) {\n    const material = this.depthMaskPass.getFullscreenMaterial();\n    material.uniforms.depthBuffer0.value = depthTexture;\n    material.defines.DEPTH_PACKING_0 = depthPacking.toFixed(0);\n    material.needsUpdate = true;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const lightSource = this.lightSource;\n    const parent = lightSource.parent;\n    const matrixAutoUpdate = lightSource.matrixAutoUpdate;\n    const renderTargetA = this.renderTargetA;\n    const renderTargetLight = this.renderTargetLight;\n    lightSource.material.depthWrite = true;\n    lightSource.matrixAutoUpdate = false;\n    lightSource.updateWorldMatrix(true, false);\n    if (parent !== null) {\n      if (!matrixAutoUpdate) {\n        m.copy(lightSource.matrix);\n      }\n      lightSource.matrix.copy(lightSource.matrixWorld);\n    }\n    this.lightScene.add(lightSource);\n    this.renderPassLight.render(renderer, renderTargetLight);\n    this.clearPass.render(renderer, renderTargetA);\n    this.depthMaskPass.render(renderer, renderTargetLight, renderTargetA);\n    lightSource.material.depthWrite = false;\n    lightSource.matrixAutoUpdate = matrixAutoUpdate;\n    if (parent !== null) {\n      if (!matrixAutoUpdate) {\n        lightSource.matrix.copy(m);\n      }\n      parent.add(lightSource);\n    }\n    v.setFromMatrixPosition(lightSource.matrixWorld).project(this.camera);\n    this.screenPosition.set(Math.min(Math.max((v.x + 1) * 0.5, -1), 2), Math.min(Math.max((v.y + 1) * 0.5, -1), 2));\n    if (this.blur) {\n      this.blurPass.render(renderer, renderTargetA, renderTargetA);\n    }\n    this.godRaysPass.render(renderer, renderTargetA, this.renderTargetB);\n  }\n  setSize(width, height) {\n    this.blurPass.setSize(width, height);\n    this.renderPassLight.setSize(width, height);\n    this.depthMaskPass.setSize(width, height);\n    this.godRaysPass.setSize(width, height);\n    const w = this.resolution.width;\n    const h = this.resolution.height;\n    this.renderTargetA.setSize(w, h);\n    this.renderTargetB.setSize(w, h);\n    this.renderTargetLight.setSize(w, h);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    this.blurPass.initialize(renderer, alpha, frameBufferType);\n    this.renderPassLight.initialize(renderer, alpha, frameBufferType);\n    this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n    this.godRaysPass.initialize(renderer, alpha, frameBufferType);\n    if (!alpha && frameBufferType === UnsignedByteType12) {\n      this.renderTargetA.texture.format = RGBFormat9;\n      this.renderTargetB.texture.format = RGBFormat9;\n      this.renderTargetLight.texture.format = RGBFormat9;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTargetA.texture.type = frameBufferType;\n      this.renderTargetB.texture.type = frameBufferType;\n      this.renderTargetLight.texture.type = frameBufferType;\n    }\n  }\n};\n\n// src/effects/GridEffect.js\nimport { Uniform as Uniform30, Vector2 as Vector218 } from \"three\";\n\n// src/effects/glsl/grid/shader.frag\nvar shader_default59 = \"uniform vec2 scale;uniform float lineWidth;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float grid=0.5-max(abs(mod(uv.x*scale.x,1.0)-0.5),abs(mod(uv.y*scale.y,1.0)-0.5));outputColor=vec4(vec3(smoothstep(0.0,lineWidth,grid)),inputColor.a);}\";\n\n// src/effects/GridEffect.js\nvar GridEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.OVERLAY,\n    scale = 1,\n    lineWidth = 0\n  } = {}) {\n    super(\"GridEffect\", shader_default59, {\n      blendFunction,\n      uniforms: new Map([\n        [\"scale\", new Uniform30(new Vector218())],\n        [\"lineWidth\", new Uniform30(lineWidth)]\n      ])\n    });\n    this.resolution = new Vector218();\n    this.scale = Math.max(scale, 1e-6);\n    this.lineWidth = Math.max(lineWidth, 0);\n  }\n  getScale() {\n    return this.scale;\n  }\n  setScale(scale) {\n    this.scale = scale;\n    this.setSize(this.resolution.x, this.resolution.y);\n  }\n  getLineWidth() {\n    return this.lineWidth;\n  }\n  setLineWidth(lineWidth) {\n    this.lineWidth = lineWidth;\n    this.setSize(this.resolution.x, this.resolution.y);\n  }\n  setSize(width, height) {\n    this.resolution.set(width, height);\n    const aspect = width / height;\n    const scale = this.scale * (height * 0.125);\n    this.uniforms.get(\"scale\").value.set(aspect * scale, scale);\n    this.uniforms.get(\"lineWidth\").value = scale / height + this.lineWidth;\n  }\n};\n\n// src/effects/HueSaturationEffect.js\nimport { Uniform as Uniform31, Vector3 as Vector32 } from \"three\";\n\n// src/effects/glsl/hue-saturation/shader.frag\nvar shader_default60 = \"uniform vec3 hue;uniform float saturation;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,hue.xyz),dot(inputColor.rgb,hue.zxy),dot(inputColor.rgb,hue.yzx));float average=(color.r+color.g+color.b)/3.0;vec3 diff=average-color;if(saturation>0.0){color+=diff*(1.0-1.0/(1.001-saturation));}else{color+=diff*-saturation;}outputColor=vec4(min(color,1.0),inputColor.a);}\";\n\n// src/effects/HueSaturationEffect.js\nvar HueSaturationEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    hue = 0,\n    saturation = 0\n  } = {}) {\n    super(\"HueSaturationEffect\", shader_default60, {\n      blendFunction,\n      uniforms: new Map([\n        [\"hue\", new Uniform31(new Vector32())],\n        [\"saturation\", new Uniform31(saturation)]\n      ])\n    });\n    this.setHue(hue);\n  }\n  setHue(hue) {\n    const s = Math.sin(hue), c2 = Math.cos(hue);\n    this.uniforms.get(\"hue\").value.set(2 * c2, -Math.sqrt(3) * s - c2, Math.sqrt(3) * s - c2).addScalar(1).divideScalar(3);\n  }\n};\n\n// src/effects/LUTEffect.js\nimport {\n  DataTexture3D as DataTexture3D2,\n  FloatType as FloatType5,\n  HalfFloatType as HalfFloatType2,\n  LinearEncoding as LinearEncoding2,\n  LinearFilter as LinearFilter9,\n  NearestFilter as NearestFilter7,\n  sRGBEncoding as sRGBEncoding2,\n  Uniform as Uniform32,\n  Vector3 as Vector34\n} from \"three\";\n\n// src/images/textures/LookupTexture3D.js\nimport {\n  Color as Color5,\n  ClampToEdgeWrapping,\n  DataTexture as DataTexture2,\n  DataTexture3D,\n  FloatType as FloatType4,\n  LinearFilter as LinearFilter8,\n  LinearEncoding,\n  RGBFormat as RGBFormat10,\n  RGBAFormat as RGBAFormat5,\n  sRGBEncoding,\n  UnsignedByteType as UnsignedByteType13,\n  Vector3 as Vector33\n} from \"three\";\n\n// src/images/RawImageData.js\nfunction createCanvas(width, height, data) {\n  const canvas = document.createElementNS(\"http://www.w3.org/1999/xhtml\", \"canvas\");\n  const context = canvas.getContext(\"2d\");\n  canvas.width = width;\n  canvas.height = height;\n  if (data instanceof Image) {\n    context.drawImage(data, 0, 0);\n  } else {\n    const imageData = context.createImageData(width, height);\n    imageData.data.set(data);\n    context.putImageData(imageData, 0, 0);\n  }\n  return canvas;\n}\nvar RawImageData = class {\n  constructor(width = 0, height = 0, data = null) {\n    this.width = width;\n    this.height = height;\n    this.data = data;\n  }\n  toCanvas() {\n    return typeof document === \"undefined\" ? null : createCanvas(this.width, this.height, this.data);\n  }\n  static from(image) {\n    const { width, height } = image;\n    let data;\n    if (image instanceof Image) {\n      const canvas = createCanvas(width, height, image);\n      if (canvas !== null) {\n        const context = canvas.getContext(\"2d\");\n        data = context.getImageData(0, 0, width, height).data;\n      }\n    } else {\n      data = image.data;\n    }\n    return new RawImageData(width, height, data);\n  }\n};\n\n// src/images/lut/LUTOperation.js\nvar LUTOperation = {\n  SCALE_UP: \"lut.scaleup\"\n};\n\n// tmp/lut/worker.txt\nvar worker_default = '(()=>{var q=Math.pow;var _={SCALE_UP:\"lut.scaleup\"};var k=[new Float32Array(3),new Float32Array(3)],t=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],U=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];function L(a,n,r,m){let h=r[0]-n[0],e=r[1]-n[1],s=r[2]-n[2],l=a[0]-n[0],w=a[1]-n[1],c=a[2]-n[2],y=e*c-s*w,A=s*l-h*c,g=h*w-e*l,p=Math.sqrt(y*y+A*A+g*g),V=p*.5,F=y/p,f=A/p,i=g/p,u=-(a[0]*F+a[1]*f+a[2]*i),M=m[0]*F+m[1]*f+m[2]*i;return Math.abs(M+u)*V/3}function X(a,n,r,m,h,e){let s=(r+m*n+h*n*n)*3;e[0]=a[s+0],e[1]=a[s+1],e[2]=a[s+2]}function j(a,n,r,m,h,e){let s=r*(n-1),l=m*(n-1),w=h*(n-1),c=Math.floor(s),y=Math.floor(l),A=Math.floor(w),g=Math.ceil(s),p=Math.ceil(l),V=Math.ceil(w),F=s-c,f=l-y,i=w-A;if(c===s&&y===l&&A===w)X(a,n,s,l,w,e);else{let u;F>=f&&f>=i?u=U[0]:F>=i&&i>=f?u=U[1]:i>=F&&F>=f?u=U[2]:f>=F&&F>=i?u=U[3]:f>=i&&i>=F?u=U[4]:i>=f&&f>=F&&(u=U[5]);let[M,x,P,T]=u,d=k[0];d[0]=F,d[1]=f,d[2]=i;let o=k[1],Y=g-c,Z=p-y,b=V-A;o[0]=Y*M[0]+c,o[1]=Z*M[1]+y,o[2]=b*M[2]+A,X(a,n,o[0],o[1],o[2],t[0]),o[0]=Y*x[0]+c,o[1]=Z*x[1]+y,o[2]=b*x[2]+A,X(a,n,o[0],o[1],o[2],t[1]),o[0]=Y*P[0]+c,o[1]=Z*P[1]+y,o[2]=b*P[2]+A,X(a,n,o[0],o[1],o[2],t[2]),o[0]=Y*T[0]+c,o[1]=Z*T[1]+y,o[2]=b*T[2]+A,X(a,n,o[0],o[1],o[2],t[3]);let v=L(x,P,T,d)*6,S=L(M,P,T,d)*6,C=L(M,x,T,d)*6,E=L(M,x,P,d)*6;t[0][0]*=v,t[0][1]*=v,t[0][2]*=v,t[1][0]*=S,t[1][1]*=S,t[1][2]*=S,t[2][0]*=C,t[2][1]*=C,t[2][2]*=C,t[3][0]*=E,t[3][1]*=E,t[3][2]*=E,e[0]=t[0][0]+t[1][0]+t[2][0]+t[3][0],e[1]=t[0][1]+t[1][1]+t[2][1]+t[3][1],e[2]=t[0][2]+t[1][2]+t[2][2]+t[3][2]}}var O=class{static expand(n,r){let m=Math.cbrt(n.length/3),h=new Float32Array(3),e=new n.constructor(q(r,3)*3),s=1/(r-1);for(let l=0;l<r;++l)for(let w=0;w<r;++w)for(let c=0;c<r;++c){let y=c*s,A=w*s,g=l*s,p=Math.round(c+w*r+l*r*r)*3;j(n,m,y,A,g,h),e[p+0]=h[0],e[p+1]=h[1],e[p+2]=h[2]}return e}};self.addEventListener(\"message\",a=>{let n=a.data,r=n.data;switch(n.operation){case _.SCALE_UP:r=O.expand(r,n.size);break}postMessage(r,[r.buffer]),close()});})();\\n';\n\n// src/images/textures/LookupTexture3D.js\nvar c = new Color5();\nvar LookupTexture3D = class extends DataTexture3D {\n  constructor(data, size) {\n    super(data, size, size, size);\n    this.type = FloatType4;\n    this.format = RGBFormat10;\n    this.encoding = LinearEncoding;\n    this.minFilter = LinearFilter8;\n    this.magFilter = LinearFilter8;\n    this.wrapS = ClampToEdgeWrapping;\n    this.wrapT = ClampToEdgeWrapping;\n    this.wrapR = ClampToEdgeWrapping;\n    this.unpackAlignment = 1;\n    this.domainMin = new Vector33(0, 0, 0);\n    this.domainMax = new Vector33(1, 1, 1);\n  }\n  get isLookupTexture3D() {\n    return true;\n  }\n  scaleUp(size, transferData = true) {\n    const image = this.image;\n    let promise;\n    if (size <= image.width) {\n      promise = Promise.reject(new Error(\"The target size must be greater than the current size\"));\n    } else {\n      const workerURL = URL.createObjectURL(new Blob([worker_default], {\n        type: \"text/javascript\"\n      }));\n      const worker = new Worker(workerURL);\n      promise = new Promise((resolve, reject) => {\n        worker.addEventListener(\"error\", (event) => reject(event.error));\n        worker.addEventListener(\"message\", (event) => {\n          const lut = new LookupTexture3D(event.data, size);\n          lut.encoding = this.encoding;\n          lut.type = this.type;\n          lut.name = this.name;\n          URL.revokeObjectURL(workerURL);\n          resolve(lut);\n        });\n        const transferList = transferData ? [image.data.buffer] : [];\n        worker.postMessage({\n          operation: LUTOperation.SCALE_UP,\n          data: image.data,\n          size\n        }, transferList);\n      });\n    }\n    return promise;\n  }\n  applyLUT(lut) {\n    const img0 = this.image;\n    const img1 = lut.image;\n    const size0 = Math.min(img0.width, img0.height, img0.depth);\n    const size1 = Math.min(img1.width, img1.height, img1.depth);\n    if (size0 !== size1) {\n      console.error(\"Size mismatch\");\n    } else if (lut.type !== FloatType4 || this.type !== FloatType4) {\n      console.error(\"Both LUTs must be FloatType textures\");\n    } else if (lut.format !== RGBFormat10 || this.format !== RGBFormat10) {\n      console.error(\"Both LUTs must be RGB textures\");\n    } else {\n      const data0 = img0.data;\n      const data1 = img1.data;\n      const size = size0;\n      const s = size - 1;\n      for (let i = 0, l = size ** 3; i < l; ++i) {\n        const i3 = i * 3;\n        const r = data0[i3 + 0] * s;\n        const g = data0[i3 + 1] * s;\n        const b = data0[i3 + 2] * s;\n        const iRGB = Math.round(r + g * size + b * size * size) * 3;\n        data0[i3 + 0] = data1[iRGB + 0];\n        data0[i3 + 1] = data1[iRGB + 1];\n        data0[i3 + 2] = data1[iRGB + 2];\n      }\n      this.needsUpdate = true;\n    }\n    return this;\n  }\n  convertToUint8() {\n    if (this.type === FloatType4) {\n      const floatData = this.image.data;\n      const uint8Data = new Uint8Array(floatData.length);\n      for (let i = 0, l = floatData.length; i < l; ++i) {\n        uint8Data[i] = floatData[i] * 255;\n      }\n      this.image.data = uint8Data;\n      this.type = UnsignedByteType13;\n      this.needsUpdate = true;\n    }\n    return this;\n  }\n  convertToFloat() {\n    if (this.type === UnsignedByteType13) {\n      const uint8Data = this.image.data;\n      const floatData = new Float32Array(uint8Data.length);\n      for (let i = 0, l = uint8Data.length; i < l; ++i) {\n        floatData[i] = uint8Data[i] / 255;\n      }\n      this.image.data = floatData;\n      this.type = FloatType4;\n      this.needsUpdate = true;\n    }\n    return this;\n  }\n  convertLinearToSRGB() {\n    const data = this.image.data;\n    if (this.type === FloatType4) {\n      const stride = this.format === RGBAFormat5 ? 4 : 3;\n      for (let i = 0, l = data.length; i < l; i += stride) {\n        c.fromArray(data, i).convertLinearToSRGB().toArray(data, i);\n      }\n      this.encoding = sRGBEncoding;\n      this.needsUpdate = true;\n    } else {\n      console.error(\"Color space conversion requires FloatType data\");\n    }\n    return this;\n  }\n  convertSRGBToLinear() {\n    const data = this.image.data;\n    if (this.type === FloatType4) {\n      const stride = this.format === RGBAFormat5 ? 4 : 3;\n      for (let i = 0, l = data.length; i < l; i += stride) {\n        c.fromArray(data, i).convertSRGBToLinear().toArray(data, i);\n      }\n      this.encoding = LinearEncoding;\n      this.needsUpdate = true;\n    } else {\n      console.error(\"Color space conversion requires FloatType data\");\n    }\n    return this;\n  }\n  convertToRGBA() {\n    if (this.format === RGBFormat10) {\n      const size = this.image.width;\n      const rgbData = this.image.data;\n      const rgbaData = new rgbData.constructor(size ** 3 * 4);\n      const maxValue = this.type === FloatType4 ? 1 : 255;\n      for (let i = 0, j = 0, l = rgbData.length; i < l; i += 3, j += 4) {\n        rgbaData[j + 0] = rgbData[i + 0];\n        rgbaData[j + 1] = rgbData[i + 1];\n        rgbaData[j + 2] = rgbData[i + 2];\n        rgbaData[j + 3] = maxValue;\n      }\n      this.image.data = rgbaData;\n      this.format = RGBAFormat5;\n      this.needsUpdate = true;\n    }\n    return this;\n  }\n  toDataTexture() {\n    const width = this.image.width;\n    const height = this.image.height * this.image.depth;\n    const texture = new DataTexture2(this.image.data, width, height);\n    texture.name = this.name;\n    texture.type = this.type;\n    texture.format = this.format;\n    texture.encoding = this.encoding;\n    texture.minFilter = LinearFilter8;\n    texture.magFilter = LinearFilter8;\n    texture.wrapS = this.wrapS;\n    texture.wrapT = this.wrapT;\n    texture.generateMipmaps = false;\n    return texture;\n  }\n  static from(texture) {\n    const image = texture.image;\n    const { width, height } = image;\n    const size = Math.min(width, height);\n    let data;\n    if (image instanceof Image) {\n      const rawImageData = RawImageData.from(image);\n      data = rawImageData.data;\n      const rearrangedData = new Uint8Array(size ** 3 * 3);\n      if (width > height) {\n        for (let z = 0; z < size; ++z) {\n          for (let y = 0; y < size; ++y) {\n            for (let x = 0; x < size; ++x) {\n              const i4 = (x + z * size + y * size * size) * 4;\n              const i3 = (x + y * size + z * size * size) * 3;\n              rearrangedData[i3 + 0] = data[i4 + 0];\n              rearrangedData[i3 + 1] = data[i4 + 1];\n              rearrangedData[i3 + 2] = data[i4 + 2];\n            }\n          }\n        }\n      } else {\n        for (let i = 0, l = size ** 3; i < l; ++i) {\n          const i4 = i * 4;\n          const i3 = i * 3;\n          rearrangedData[i3 + 0] = data[i4 + 0];\n          rearrangedData[i3 + 1] = data[i4 + 1];\n          rearrangedData[i3 + 2] = data[i4 + 2];\n        }\n      }\n      data = rearrangedData;\n    } else {\n      data = image.data.slice();\n    }\n    const lut = new LookupTexture3D(data, size);\n    lut.type = texture.type;\n    lut.encoding = texture.encoding;\n    lut.name = texture.name;\n    return lut;\n  }\n  static createNeutral(size) {\n    const data = new Float32Array(size ** 3 * 3);\n    const s = 1 / (size - 1);\n    for (let r = 0; r < size; ++r) {\n      for (let g = 0; g < size; ++g) {\n        for (let b = 0; b < size; ++b) {\n          const i3 = (r + g * size + b * size * size) * 3;\n          data[i3 + 0] = r * s;\n          data[i3 + 1] = g * s;\n          data[i3 + 2] = b * s;\n        }\n      }\n    }\n    const lut = new LookupTexture3D(data, size);\n    lut.name = \"neutral\";\n    return lut;\n  }\n};\n\n// src/effects/glsl/lut/shader.frag\nvar shader_default61 = \"uniform vec3 scale;uniform vec3 offset;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nuniform vec3 domainMin;uniform vec3 domainMax;\\n#endif\\n#ifdef LUT_3D\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler3D lut;\\n#else\\nuniform mediump sampler3D lut;\\n#endif\\n#else\\nuniform lowp sampler3D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){\\n#ifdef TETRAHEDRAL_INTERPOLATION\\nvec3 p=floor(rgb);vec3 f=rgb-p;vec3 v1=(p+0.5)*LUT_TEXEL_WIDTH;vec3 v4=(p+1.5)*LUT_TEXEL_WIDTH;vec3 v2,v3;vec3 frac;if(f.r>=f.g){if(f.g>f.b){frac=f.rgb;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else if(f.r>=f.b){frac=f.rbg;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v1.y,v4.z);}else{frac=f.brg;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v4.x,v1.y,v4.z);}}else{if(f.b>f.g){frac=f.bgr;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v1.x,v4.y,v4.z);}else if(f.r>=f.b){frac=f.grb;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else{frac=f.gbr;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v1.x,v4.y,v4.z);}}vec4 n1=texture(lut,v1);vec4 n2=texture(lut,v2);vec4 n3=texture(lut,v3);vec4 n4=texture(lut,v4);vec4 weights=vec4(1.0-frac.x,frac.x-frac.y,frac.y-frac.z,frac.z);vec4 result=weights*mat4(vec4(n1.r,n2.r,n3.r,n4.r),vec4(n1.g,n2.g,n3.g,n4.g),vec4(n1.b,n2.b,n3.b,n4.b),vec4(1.0));return vec4(result.rgb,1.0);\\n#else\\nreturn texture(lut,rgb);\\n#endif\\n}\\n#else\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){float slice=rgb.b*LUT_SIZE;float slice0=floor(slice);float interp=slice-slice0;float centeredInterp=interp-0.5;float slice1=slice0+sign(centeredInterp);\\n#ifdef LUT_STRIP_HORIZONTAL\\nfloat xOffset=clamp(rgb.r*LUT_TEXEL_HEIGHT,LUT_TEXEL_WIDTH*0.5,LUT_TEXEL_HEIGHT-LUT_TEXEL_WIDTH*0.5);vec2 uv0=vec2(slice0*LUT_TEXEL_HEIGHT+xOffset,rgb.g);vec2 uv1=vec2(slice1*LUT_TEXEL_HEIGHT+xOffset,rgb.g);\\n#else\\nfloat yOffset=clamp(rgb.g*LUT_TEXEL_WIDTH,LUT_TEXEL_HEIGHT*0.5,LUT_TEXEL_WIDTH-LUT_TEXEL_HEIGHT*0.5);vec2 uv0=vec2(rgb.r,slice0*LUT_TEXEL_WIDTH+yOffset);vec2 uv1=vec2(rgb.r,slice1*LUT_TEXEL_WIDTH+yOffset);\\n#endif\\nvec4 sample0=texture2D(lut,uv0);vec4 sample1=texture2D(lut,uv1);return mix(sample0,sample1,abs(centeredInterp));}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 c=linearToInputTexel(inputColor).rgb;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nif(c.r>=domainMin.r&&c.g>=domainMin.g&&c.b>=domainMin.b&&c.r<=domainMax.r&&c.g<=domainMax.g&&c.b<=domainMax.b){c=texelToLinear(applyLUT(scale*c+offset)).rgb;}else{c=inputColor.rgb;}\\n#else\\n#if !defined(LUT_3D) || defined(TETRAHEDRAL_INTERPOLATION)\\nc=clamp(c,0.0,1.0);\\n#endif\\nc=texelToLinear(applyLUT(scale*c+offset)).rgb;\\n#endif\\noutputColor=vec4(c,inputColor.a);}\";\n\n// src/effects/LUTEffect.js\nvar LUTEffect = class extends Effect {\n  constructor(lut, {\n    blendFunction = BlendFunction.NORMAL,\n    tetrahedralInterpolation = false\n  } = {}) {\n    super(\"LUTEffect\", shader_default61, {\n      blendFunction,\n      uniforms: new Map([\n        [\"lut\", new Uniform32(null)],\n        [\"scale\", new Uniform32(new Vector34())],\n        [\"offset\", new Uniform32(new Vector34())],\n        [\"domainMin\", new Uniform32(null)],\n        [\"domainMax\", new Uniform32(null)]\n      ])\n    });\n    this.tetrahedralInterpolation = tetrahedralInterpolation;\n    this.inputEncoding = sRGBEncoding2;\n    this.outputEncoding = this.inputEncoding;\n    this.setInputEncoding(sRGBEncoding2);\n    this.setLUT(lut);\n  }\n  getOutputEncoding() {\n    return this.outputEncoding;\n  }\n  getInputEncoding() {\n    return this.inputEncoding;\n  }\n  setInputEncoding(value) {\n    const defines = this.defines;\n    const lut = this.getLUT();\n    switch (value) {\n      case sRGBEncoding2:\n        defines.set(\"linearToInputTexel(texel)\", \"LinearTosRGB(texel)\");\n        break;\n      case LinearEncoding2:\n        defines.set(\"linearToInputTexel(texel)\", \"texel\");\n        break;\n      default:\n        console.error(\"Unsupported input encoding:\", value);\n        break;\n    }\n    if (lut !== null) {\n      this.outputEncoding = lut.encoding === LinearEncoding2 ? value : lut.encoding;\n      switch (this.outputEncoding) {\n        case sRGBEncoding2:\n          defines.set(\"texelToLinear(texel)\", \"sRGBToLinear(texel)\");\n          break;\n        case LinearEncoding2:\n          defines.set(\"texelToLinear(texel)\", \"texel\");\n          break;\n        default:\n          console.error(\"Unsupported LUT encoding:\", lut.encoding);\n          break;\n      }\n    }\n    if (this.inputEncoding !== value) {\n      this.inputEncoding = value;\n      this.setChanged();\n    }\n  }\n  getLUT() {\n    return this.uniforms.get(\"lut\").value;\n  }\n  setLUT(lut) {\n    const defines = this.defines;\n    const uniforms = this.uniforms;\n    if (this.getLUT() !== lut) {\n      const image = lut.image;\n      defines.clear();\n      defines.set(\"LUT_SIZE\", Math.min(image.width, image.height).toFixed(16));\n      defines.set(\"LUT_TEXEL_WIDTH\", (1 / image.width).toFixed(16));\n      defines.set(\"LUT_TEXEL_HEIGHT\", (1 / image.height).toFixed(16));\n      uniforms.get(\"lut\").value = lut;\n      uniforms.get(\"domainMin\").value = null;\n      uniforms.get(\"domainMax\").value = null;\n      if (lut.type === FloatType5 || lut.type === HalfFloatType2) {\n        defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n      }\n      if (image.width > image.height) {\n        defines.set(\"LUT_STRIP_HORIZONTAL\", \"1\");\n      } else if (lut instanceof DataTexture3D2) {\n        defines.set(\"LUT_3D\", \"1\");\n      }\n      if (lut instanceof LookupTexture3D) {\n        const min = lut.domainMin;\n        const max = lut.domainMax;\n        if (min.x !== 0 || min.y !== 0 || min.z !== 0 || max.x !== 1 || max.y !== 1 || max.z !== 1) {\n          defines.set(\"CUSTOM_INPUT_DOMAIN\", \"1\");\n          uniforms.get(\"domainMin\").value = min.clone();\n          uniforms.get(\"domainMax\").value = max.clone();\n        }\n      }\n      this.configureTetrahedralInterpolation();\n      this.updateScaleOffset();\n      this.setInputEncoding(this.inputEncoding);\n      this.setChanged();\n    }\n  }\n  updateScaleOffset() {\n    const lut = this.getLUT();\n    const size = Math.min(lut.image.width, lut.image.height);\n    const scale = this.uniforms.get(\"scale\").value;\n    const offset = this.uniforms.get(\"offset\").value;\n    if (this.defines.has(\"TETRAHEDRAL_INTERPOLATION\")) {\n      if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n        const domainScale = lut.domainMax.clone().sub(lut.domainMin);\n        scale.setScalar(size - 1).divide(domainScale);\n        offset.copy(lut.domainMin).negate().multiply(scale);\n      } else {\n        scale.setScalar(size - 1);\n        offset.setScalar(0);\n      }\n    } else {\n      if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n        const domainScale = lut.domainMax.clone().sub(lut.domainMin).multiplyScalar(size);\n        scale.setScalar(size - 1).divide(domainScale);\n        offset.copy(lut.domainMin).negate().multiply(scale).addScalar(1 / (2 * size));\n      } else {\n        scale.setScalar((size - 1) / size);\n        offset.setScalar(1 / (2 * size));\n      }\n    }\n  }\n  configureTetrahedralInterpolation() {\n    const lut = this.getLUT();\n    lut.minFilter = LinearFilter9;\n    lut.magFilter = LinearFilter9;\n    this.defines.delete(\"TETRAHEDRAL_INTERPOLATION\");\n    if (this.tetrahedralInterpolation && lut !== null) {\n      if (lut instanceof DataTexture3D2) {\n        this.defines.set(\"TETRAHEDRAL_INTERPOLATION\", \"1\");\n        lut.minFilter = NearestFilter7;\n        lut.magFilter = NearestFilter7;\n      } else {\n        console.warn(\"Tetrahedral interpolation requires a 3D texture\");\n      }\n    }\n    lut.needsUpdate = true;\n  }\n  setTetrahedralInterpolationEnabled(enabled) {\n    this.tetrahedralInterpolation = enabled;\n    this.configureTetrahedralInterpolation();\n    this.updateScaleOffset();\n    this.setChanged();\n  }\n};\n\n// src/effects/glsl/noise/shader.frag\nvar shader_default62 = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 noise=vec3(rand(uv*time));\\n#ifdef PREMULTIPLY\\noutputColor=vec4(min(inputColor.rgb*noise,vec3(1.0)),inputColor.a);\\n#else\\noutputColor=vec4(noise,inputColor.a);\\n#endif\\n}\";\n\n// src/effects/NoiseEffect.js\nvar NoiseEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.SCREEN,\n    premultiply = false\n  } = {}) {\n    super(\"NoiseEffect\", shader_default62, { blendFunction });\n    this.premultiply = premultiply;\n  }\n  get premultiply() {\n    return this.defines.has(\"PREMULTIPLY\");\n  }\n  set premultiply(value) {\n    if (this.premultiply !== value) {\n      if (value) {\n        this.defines.set(\"PREMULTIPLY\", \"1\");\n      } else {\n        this.defines.delete(\"PREMULTIPLY\");\n      }\n      this.setChanged();\n    }\n  }\n};\n\n// src/effects/OutlineEffect.js\nimport {\n  Color as Color6,\n  LinearFilter as LinearFilter10,\n  RepeatWrapping as RepeatWrapping2,\n  RGBFormat as RGBFormat11,\n  Uniform as Uniform33,\n  UnsignedByteType as UnsignedByteType14,\n  WebGLRenderTarget as WebGLRenderTarget13\n} from \"three\";\n\n// src/effects/glsl/outline/shader.frag\nvar shader_default63 = \"uniform lowp sampler2D edgeTexture;uniform lowp sampler2D maskTexture;uniform vec3 visibleEdgeColor;uniform vec3 hiddenEdgeColor;uniform float pulse;uniform float edgeStrength;\\n#ifdef USE_PATTERN\\nuniform lowp sampler2D patternTexture;varying vec2 vUvPattern;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 edge=texture2D(edgeTexture,uv).rg;vec2 mask=texture2D(maskTexture,uv).rg;\\n#ifndef X_RAY\\nedge.y=0.0;\\n#endif\\nedge*=(edgeStrength*mask.x*pulse);vec3 color=edge.x*visibleEdgeColor+edge.y*hiddenEdgeColor;float visibilityFactor=0.0;\\n#ifdef USE_PATTERN\\nvec4 patternColor=texture2D(patternTexture,vUvPattern);\\n#ifdef X_RAY\\nfloat hiddenFactor=0.5;\\n#else\\nfloat hiddenFactor=0.0;\\n#endif\\nvisibilityFactor=(1.0-mask.y>0.0)? 1.0 : hiddenFactor;visibilityFactor*=(1.0-mask.x)*patternColor.a;color+=visibilityFactor*patternColor.rgb;\\n#endif\\nfloat alpha=max(max(edge.x,edge.y),visibilityFactor);\\n#ifdef ALPHA\\noutputColor=vec4(color,alpha);\\n#else\\noutputColor=vec4(color,max(alpha,inputColor.a));\\n#endif\\n}\";\n\n// src/effects/glsl/outline/shader.vert\nvar shader_default64 = \"uniform float patternScale;varying vec2 vUvPattern;void mainSupport(const in vec2 uv){vUvPattern=uv*vec2(aspect,1.0)*patternScale;}\";\n\n// src/effects/OutlineEffect.js\nvar OutlineEffect = class extends Effect {\n  constructor(scene, camera, {\n    blendFunction = BlendFunction.SCREEN,\n    patternTexture = null,\n    edgeStrength = 1,\n    pulseSpeed = 0,\n    visibleEdgeColor = 16777215,\n    hiddenEdgeColor = 2230538,\n    resolutionScale = 0.5,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE,\n    kernelSize = KernelSize.VERY_SMALL,\n    blur = false,\n    xRay = true\n  } = {}) {\n    super(\"OutlineEffect\", shader_default63, {\n      uniforms: new Map([\n        [\"maskTexture\", new Uniform33(null)],\n        [\"edgeTexture\", new Uniform33(null)],\n        [\"edgeStrength\", new Uniform33(edgeStrength)],\n        [\"visibleEdgeColor\", new Uniform33(new Color6(visibleEdgeColor))],\n        [\"hiddenEdgeColor\", new Uniform33(new Color6(hiddenEdgeColor))],\n        [\"pulse\", new Uniform33(1)],\n        [\"patternScale\", new Uniform33(1)],\n        [\"patternTexture\", new Uniform33(null)]\n      ])\n    });\n    this.blendMode.addEventListener(\"change\", (event) => {\n      if (this.blendMode.getBlendFunction() === BlendFunction.ALPHA) {\n        this.defines.set(\"ALPHA\", \"1\");\n      } else {\n        this.defines.delete(\"ALPHA\");\n      }\n      this.setChanged();\n    });\n    this.blendMode.setBlendFunction(blendFunction);\n    this.setPatternTexture(patternTexture);\n    this.xRay = xRay;\n    this.scene = scene;\n    this.camera = camera;\n    this.renderTargetMask = new WebGLRenderTarget13(1, 1, {\n      minFilter: LinearFilter10,\n      magFilter: LinearFilter10,\n      stencilBuffer: false,\n      format: RGBFormat11\n    });\n    this.renderTargetMask.texture.name = \"Outline.Mask\";\n    this.uniforms.get(\"maskTexture\").value = this.renderTargetMask.texture;\n    this.renderTargetOutline = this.renderTargetMask.clone();\n    this.renderTargetOutline.texture.name = \"Outline.Edges\";\n    this.renderTargetOutline.depthBuffer = false;\n    this.renderTargetBlurredOutline = this.renderTargetOutline.clone();\n    this.renderTargetBlurredOutline.texture.name = \"Outline.BlurredEdges\";\n    this.clearPass = new ClearPass();\n    this.clearPass.overrideClearColor = new Color6(0);\n    this.clearPass.overrideClearAlpha = 1;\n    this.depthPass = new DepthPass(scene, camera);\n    this.maskPass = new RenderPass(scene, camera, new DepthComparisonMaterial(this.depthPass.texture, camera));\n    const clearPass = this.maskPass.getClearPass();\n    clearPass.overrideClearColor = new Color6(16777215);\n    clearPass.overrideClearAlpha = 1;\n    this.blurPass = new BlurPass({ resolutionScale, width, height, kernelSize });\n    this.blurPass.resolution.resizable = this;\n    this.blur = blur;\n    this.outlinePass = new ShaderPass(new OutlineMaterial());\n    const outlineMaterial = this.outlinePass.getFullscreenMaterial();\n    outlineMaterial.uniforms.inputBuffer.value = this.renderTargetMask.texture;\n    this.time = 0;\n    this.selection = new Selection();\n    this.pulseSpeed = pulseSpeed;\n  }\n  get resolution() {\n    return this.blurPass.resolution;\n  }\n  get width() {\n    return this.resolution.width;\n  }\n  set width(value) {\n    this.resolution.width = value;\n  }\n  get height() {\n    return this.resolution.height;\n  }\n  set height(value) {\n    this.resolution.height = value;\n  }\n  get selectionLayer() {\n    return this.selection.layer;\n  }\n  set selectionLayer(value) {\n    this.selection.layer = value;\n  }\n  get dithering() {\n    return this.blurPass.dithering;\n  }\n  set dithering(value) {\n    this.blurPass.dithering = value;\n  }\n  get kernelSize() {\n    return this.blurPass.kernelSize;\n  }\n  set kernelSize(value) {\n    this.blurPass.kernelSize = value;\n  }\n  get blur() {\n    return this.blurPass.enabled;\n  }\n  set blur(value) {\n    this.blurPass.enabled = value;\n    this.uniforms.get(\"edgeTexture\").value = value ? this.renderTargetBlurredOutline.texture : this.renderTargetOutline.texture;\n  }\n  get xRay() {\n    return this.defines.has(\"X_RAY\");\n  }\n  set xRay(value) {\n    if (this.xRay !== value) {\n      if (value) {\n        this.defines.set(\"X_RAY\", \"1\");\n      } else {\n        this.defines.delete(\"X_RAY\");\n      }\n      this.setChanged();\n    }\n  }\n  setPatternTexture(texture) {\n    if (texture !== null) {\n      texture.wrapS = texture.wrapT = RepeatWrapping2;\n      this.defines.set(\"USE_PATTERN\", \"1\");\n      this.uniforms.get(\"patternTexture\").value = texture;\n      this.setVertexShader(shader_default64);\n    } else {\n      this.defines.delete(\"USE_PATTERN\");\n      this.uniforms.get(\"patternTexture\").value = null;\n      this.setVertexShader(null);\n    }\n    this.setChanged();\n  }\n  getResolutionScale() {\n    return this.resolution.scale;\n  }\n  setResolutionScale(scale) {\n    this.resolution.scale = scale;\n  }\n  setSelection(objects) {\n    this.selection.set(objects);\n    return this;\n  }\n  clearSelection() {\n    this.selection.clear();\n    return this;\n  }\n  selectObject(object) {\n    this.selection.add(object);\n    return this;\n  }\n  deselectObject(object) {\n    this.selection.delete(object);\n    return this;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const scene = this.scene;\n    const camera = this.camera;\n    const selection = this.selection;\n    const pulse = this.uniforms.get(\"pulse\");\n    const background = scene.background;\n    const mask = camera.layers.mask;\n    if (selection.size > 0) {\n      scene.background = null;\n      pulse.value = 1;\n      if (this.pulseSpeed > 0) {\n        pulse.value = Math.cos(this.time * this.pulseSpeed * 10) * 0.375 + 0.625;\n      }\n      this.time += deltaTime;\n      selection.setVisible(false);\n      this.depthPass.render(renderer);\n      selection.setVisible(true);\n      camera.layers.set(selection.layer);\n      this.maskPass.render(renderer, this.renderTargetMask);\n      camera.layers.mask = mask;\n      scene.background = background;\n      this.outlinePass.render(renderer, null, this.renderTargetOutline);\n      if (this.blur) {\n        this.blurPass.render(renderer, this.renderTargetOutline, this.renderTargetBlurredOutline);\n      }\n    } else if (this.time > 0) {\n      this.clearPass.render(renderer, this.renderTargetMask);\n      this.time = 0;\n    }\n  }\n  setSize(width, height) {\n    this.blurPass.setSize(width, height);\n    this.renderTargetMask.setSize(width, height);\n    const w = this.resolution.width;\n    const h = this.resolution.height;\n    this.depthPass.setSize(w, h);\n    this.renderTargetOutline.setSize(w, h);\n    this.renderTargetBlurredOutline.setSize(w, h);\n    this.outlinePass.getFullscreenMaterial().setTexelSize(1 / w, 1 / h);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    this.blurPass.initialize(renderer, alpha, UnsignedByteType14);\n    if (frameBufferType !== void 0) {\n      this.depthPass.initialize(renderer, alpha, frameBufferType);\n      this.maskPass.initialize(renderer, alpha, frameBufferType);\n      this.outlinePass.initialize(renderer, alpha, frameBufferType);\n    }\n  }\n};\n\n// src/effects/PixelationEffect.js\nimport { Uniform as Uniform34, Vector2 as Vector219 } from \"three\";\n\n// src/effects/glsl/pixelation/shader.frag\nvar shader_default65 = \"uniform bool active;uniform vec2 d;void mainUv(inout vec2 uv){if(active){uv=vec2(d.x*(floor(uv.x/d.x)+0.5),d.y*(floor(uv.y/d.y)+0.5));}}\";\n\n// src/effects/PixelationEffect.js\nvar PixelationEffect = class extends Effect {\n  constructor(granularity = 30) {\n    super(\"PixelationEffect\", shader_default65, {\n      uniforms: new Map([\n        [\"active\", new Uniform34(false)],\n        [\"d\", new Uniform34(new Vector219())]\n      ])\n    });\n    this.resolution = new Vector219();\n    this.granularity = granularity;\n  }\n  getGranularity() {\n    return this.granularity;\n  }\n  setGranularity(granularity) {\n    granularity = Math.floor(granularity);\n    if (granularity % 2 > 0) {\n      granularity += 1;\n    }\n    const uniforms = this.uniforms;\n    uniforms.get(\"active\").value = granularity > 0;\n    uniforms.get(\"d\").value.set(granularity, granularity).divide(this.resolution);\n    this.granularity = granularity;\n  }\n  setSize(width, height) {\n    this.resolution.set(width, height);\n    this.setGranularity(this.granularity);\n  }\n};\n\n// src/effects/RealisticBokehEffect.js\nimport { Uniform as Uniform35, Vector4 as Vector42 } from \"three\";\n\n// src/effects/glsl/realistic-bokeh/shader.frag\nvar shader_default66 = \"uniform float focus;uniform float focalLength;uniform float fStop;uniform float maxBlur;uniform float luminanceThreshold;uniform float luminanceGain;uniform float bias;uniform float fringe;\\n#ifdef MANUAL_DOF\\nuniform vec4 dof;\\n#endif\\n#ifdef PENTAGON\\nfloat pentagon(const in vec2 coords){const vec4 HS0=vec4(1.0,0.0,0.0,1.0);const vec4 HS1=vec4(0.309016994,0.951056516,0.0,1.0);const vec4 HS2=vec4(-0.809016994,0.587785252,0.0,1.0);const vec4 HS3=vec4(-0.809016994,-0.587785252,0.0,1.0);const vec4 HS4=vec4(0.309016994,-0.951056516,0.0,1.0);const vec4 HS5=vec4(0.0,0.0,1.0,1.0);const vec4 ONE=vec4(1.0);const float P_FEATHER=0.4;const float N_FEATHER=-P_FEATHER;float inOrOut=-4.0;vec4 P=vec4(coords,vec2(RINGS_FLOAT-1.3));vec4 dist=vec4(dot(P,HS0),dot(P,HS1),dot(P,HS2),dot(P,HS3));dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dot(dist,ONE);dist.x=dot(P,HS4);dist.y=HS5.w-abs(P.z);dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dist.x;return clamp(inOrOut,0.0,1.0);}\\n#endif\\nvec3 processTexel(const in vec2 coords,const in float blur){vec2 scale=texelSize*fringe*blur;vec3 c=vec3(texture2D(inputBuffer,coords+vec2(0.0,1.0)*scale).r,texture2D(inputBuffer,coords+vec2(-0.866,-0.5)*scale).g,texture2D(inputBuffer,coords+vec2(0.866,-0.5)*scale).b);float luminance=linearToRelativeLuminance(c);float threshold=max((luminance-luminanceThreshold)*luminanceGain,0.0);return c+mix(vec3(0.0),c,threshold*blur);}float gather(const in float i,const in float j,const in float ringSamples,const in vec2 uv,const in vec2 blurFactor,const in float blur,inout vec3 color){float step=PI2/ringSamples;vec2 wh=vec2(cos(j*step)*i,sin(j*step)*i);\\n#ifdef PENTAGON\\nfloat p=pentagon(wh);\\n#else\\nfloat p=1.0;\\n#endif\\ncolor+=processTexel(wh*blurFactor+uv,blur)*mix(1.0,i/RINGS_FLOAT,bias)*p;return mix(1.0,i/RINGS_FLOAT,bias)*p;}void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\n#ifdef MANUAL_DOF\\nfloat focalPlane=linearDepth-focus;float farDoF=(focalPlane-dof.z)/dof.w;float nearDoF=(-focalPlane-dof.x)/dof.y;float blur=(focalPlane>0.0)? farDoF : nearDoF;\\n#else\\nconst float CIRCLE_OF_CONFUSION=0.03;float focalPlaneMM=focus*1000.0;float depthMM=linearDepth*1000.0;float focalPlane=(depthMM*focalLength)/(depthMM-focalLength);float farDoF=(focalPlaneMM*focalLength)/(focalPlaneMM-focalLength);float nearDoF=(focalPlaneMM-focalLength)/(focalPlaneMM*fStop*CIRCLE_OF_CONFUSION);float blur=abs(focalPlane-farDoF)*nearDoF;\\n#endif\\nconst int MAX_RING_SAMPLES=RINGS_INT*SAMPLES_INT;blur=clamp(blur,0.0,1.0);vec3 color=inputColor.rgb;if(blur>=0.05){vec2 blurFactor=blur*maxBlur*texelSize;float s=1.0;int ringSamples;for(int i=1;i<=RINGS_INT;i++){ringSamples=i*SAMPLES_INT;for(int j=0;j<MAX_RING_SAMPLES;j++){if(j>=ringSamples){break;}s+=gather(float(i),float(j),float(ringSamples),uv,blurFactor,blur,color);}}color/=s;}\\n#ifdef SHOW_FOCUS\\nfloat edge=0.002*linearDepth;float m=clamp(smoothstep(0.0,edge,blur),0.0,1.0);float e=clamp(smoothstep(1.0-edge,1.0,blur),0.0,1.0);color=mix(color,vec3(1.0,0.5,0.0),(1.0-m)*0.6);color=mix(color,vec3(0.0,0.5,1.0),((1.0-e)-(1.0-m))*0.2);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/RealisticBokehEffect.js\nvar RealisticBokehEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    focus = 1,\n    focalLength = 24,\n    fStop = 0.9,\n    luminanceThreshold = 0.5,\n    luminanceGain = 2,\n    bias = 0.5,\n    fringe = 0.7,\n    maxBlur = 1,\n    rings = 3,\n    samples = 2,\n    showFocus = false,\n    manualDoF = false,\n    pentagon = false\n  } = {}) {\n    super(\"RealisticBokehEffect\", shader_default66, {\n      blendFunction,\n      attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"focus\", new Uniform35(focus)],\n        [\"focalLength\", new Uniform35(focalLength)],\n        [\"fStop\", new Uniform35(fStop)],\n        [\"luminanceThreshold\", new Uniform35(luminanceThreshold)],\n        [\"luminanceGain\", new Uniform35(luminanceGain)],\n        [\"bias\", new Uniform35(bias)],\n        [\"fringe\", new Uniform35(fringe)],\n        [\"maxBlur\", new Uniform35(maxBlur)],\n        [\"dof\", new Uniform35(null)]\n      ])\n    });\n    this.rings = rings;\n    this.samples = samples;\n    this.showFocus = showFocus;\n    this.manualDoF = manualDoF;\n    this.pentagon = pentagon;\n  }\n  get rings() {\n    return Number.parseInt(this.defines.get(\"RINGS_INT\"));\n  }\n  set rings(value) {\n    const r = Math.floor(value);\n    this.defines.set(\"RINGS_INT\", r.toFixed(0));\n    this.defines.set(\"RINGS_FLOAT\", r.toFixed(1));\n    this.setChanged();\n  }\n  get samples() {\n    return Number.parseInt(this.defines.get(\"SAMPLES_INT\"));\n  }\n  set samples(value) {\n    const s = Math.floor(value);\n    this.defines.set(\"SAMPLES_INT\", s.toFixed(0));\n    this.defines.set(\"SAMPLES_FLOAT\", s.toFixed(1));\n    this.setChanged();\n  }\n  get showFocus() {\n    return this.defines.has(\"SHOW_FOCUS\");\n  }\n  set showFocus(value) {\n    if (this.showFocus !== value) {\n      if (value) {\n        this.defines.set(\"SHOW_FOCUS\", \"1\");\n      } else {\n        this.defines.delete(\"SHOW_FOCUS\");\n      }\n      this.setChanged();\n    }\n  }\n  get manualDoF() {\n    return this.defines.has(\"MANUAL_DOF\");\n  }\n  set manualDoF(value) {\n    if (this.manualDoF !== value) {\n      if (value) {\n        this.defines.set(\"MANUAL_DOF\", \"1\");\n        this.uniforms.get(\"dof\").value = new Vector42(0.2, 1, 0.2, 2);\n      } else {\n        this.defines.delete(\"MANUAL_DOF\");\n        this.uniforms.get(\"dof\").value = null;\n      }\n      this.setChanged();\n    }\n  }\n  get pentagon() {\n    return this.defines.has(\"PENTAGON\");\n  }\n  set pentagon(value) {\n    if (this.pentagon !== value) {\n      if (value) {\n        this.defines.set(\"PENTAGON\", \"1\");\n      } else {\n        this.defines.delete(\"PENTAGON\");\n      }\n      this.setChanged();\n    }\n  }\n};\n\n// src/effects/ScanlineEffect.js\nimport { Uniform as Uniform36, Vector2 as Vector220 } from \"three\";\n\n// src/effects/glsl/scanlines/shader.frag\nvar shader_default67 = \"uniform float count;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 sl=vec2(sin(uv.y*count),cos(uv.y*count));vec3 scanlines=vec3(sl.x,sl.y,sl.x);outputColor=vec4(scanlines,inputColor.a);}\";\n\n// src/effects/ScanlineEffect.js\nvar ScanlineEffect = class extends Effect {\n  constructor({ blendFunction = BlendFunction.OVERLAY, density = 1.25 } = {}) {\n    super(\"ScanlineEffect\", shader_default67, {\n      blendFunction,\n      uniforms: new Map([\n        [\"count\", new Uniform36(0)]\n      ])\n    });\n    this.resolution = new Vector220();\n    this.density = density;\n  }\n  getDensity() {\n    return this.density;\n  }\n  setDensity(density) {\n    this.density = density;\n    this.setSize(this.resolution.x, this.resolution.y);\n  }\n  setSize(width, height) {\n    this.resolution.set(width, height);\n    this.uniforms.get(\"count\").value = Math.round(height * this.density);\n  }\n};\n\n// src/effects/ShockWaveEffect.js\nimport { Uniform as Uniform37, Vector2 as Vector221, Vector3 as Vector35 } from \"three\";\n\n// src/effects/glsl/shock-wave/shader.frag\nvar shader_default68 = \"uniform bool active;uniform vec2 center;uniform float waveSize;uniform float radius;uniform float maxRadius;uniform float amplitude;varying float vSize;void mainUv(inout vec2 uv){if(active){vec2 aspectCorrection=vec2(aspect,1.0);vec2 difference=uv*aspectCorrection-center*aspectCorrection;float distance=sqrt(dot(difference,difference))*vSize;if(distance>radius){if(distance<radius+waveSize){float angle=(distance-radius)*PI2/waveSize;float cosSin=(1.0-cos(angle))*0.5;float extent=maxRadius+waveSize;float decay=max(extent-distance*distance,0.0)/extent;uv-=((cosSin*amplitude*difference)/distance)*decay;}}}}\";\n\n// src/effects/glsl/shock-wave/shader.vert\nvar shader_default69 = \"uniform float size;uniform float cameraDistance;varying float vSize;void mainSupport(){vSize=(0.1*cameraDistance)/size;}\";\n\n// src/effects/ShockWaveEffect.js\nvar HALF_PI = Math.PI * 0.5;\nvar v2 = new Vector35();\nvar ab = new Vector35();\nvar ShockWaveEffect = class extends Effect {\n  constructor(camera, epicenter = new Vector35(), {\n    speed = 2,\n    maxRadius = 1,\n    waveSize = 0.2,\n    amplitude = 0.05\n  } = {}) {\n    super(\"ShockWaveEffect\", shader_default68, {\n      vertexShader: shader_default69,\n      uniforms: new Map([\n        [\"active\", new Uniform37(false)],\n        [\"center\", new Uniform37(new Vector221(0.5, 0.5))],\n        [\"cameraDistance\", new Uniform37(1)],\n        [\"size\", new Uniform37(1)],\n        [\"radius\", new Uniform37(-waveSize)],\n        [\"maxRadius\", new Uniform37(maxRadius)],\n        [\"waveSize\", new Uniform37(waveSize)],\n        [\"amplitude\", new Uniform37(amplitude)]\n      ])\n    });\n    this.camera = camera;\n    this.epicenter = epicenter;\n    this.screenPosition = this.uniforms.get(\"center\").value;\n    this.speed = speed;\n    this.time = 0;\n    this.active = false;\n  }\n  explode() {\n    this.time = 0;\n    this.active = true;\n    this.uniforms.get(\"active\").value = true;\n  }\n  update(renderer, inputBuffer, delta) {\n    const epicenter = this.epicenter;\n    const camera = this.camera;\n    const uniforms = this.uniforms;\n    const uniformActive = uniforms.get(\"active\");\n    if (this.active) {\n      const waveSize = uniforms.get(\"waveSize\").value;\n      camera.getWorldDirection(v2);\n      ab.copy(camera.position).sub(epicenter);\n      uniformActive.value = v2.angleTo(ab) > HALF_PI;\n      if (uniformActive.value) {\n        uniforms.get(\"cameraDistance\").value = camera.position.distanceTo(epicenter);\n        v2.copy(epicenter).project(camera);\n        this.screenPosition.set((v2.x + 1) * 0.5, (v2.y + 1) * 0.5);\n      }\n      this.time += delta * this.speed;\n      const radius = this.time - waveSize;\n      uniforms.get(\"radius\").value = radius;\n      if (radius >= (uniforms.get(\"maxRadius\").value + waveSize) * 2) {\n        this.active = false;\n        uniformActive.value = false;\n      }\n    }\n  }\n};\n\n// src/effects/SelectiveBloomEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking6,\n  Color as Color7,\n  LinearFilter as LinearFilter11,\n  NotEqualDepth as NotEqualDepth2,\n  EqualDepth as EqualDepth2,\n  RGBADepthPacking as RGBADepthPacking4,\n  RGBFormat as RGBFormat12,\n  UnsignedByteType as UnsignedByteType15,\n  WebGLRenderTarget as WebGLRenderTarget14\n} from \"three\";\nvar SelectiveBloomEffect = class extends BloomEffect {\n  constructor(scene, camera, options) {\n    super(options);\n    this.setAttributes(this.getAttributes() | EffectAttribute.DEPTH);\n    this.camera = camera;\n    this.depthPass = new DepthPass(scene, camera);\n    this.clearPass = new ClearPass(true, false, false);\n    this.clearPass.overrideClearColor = new Color7(0);\n    this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n    const depthMaskMaterial = this.depthMaskMaterial;\n    depthMaskMaterial.uniforms.depthBuffer1.value = this.depthPass.texture;\n    depthMaskMaterial.defines.DEPTH_PACKING_1 = RGBADepthPacking4.toFixed(0);\n    depthMaskMaterial.setDepthMode(EqualDepth2);\n    this.renderTargetMasked = new WebGLRenderTarget14(1, 1, {\n      minFilter: LinearFilter11,\n      magFilter: LinearFilter11,\n      stencilBuffer: false,\n      depthBuffer: false\n    });\n    this.renderTargetMasked.texture.name = \"Bloom.Masked\";\n    this.renderTargetMasked.texture.generateMipmaps = false;\n    this.selection = new Selection();\n  }\n  get depthMaskMaterial() {\n    return this.depthMaskPass.getFullscreenMaterial();\n  }\n  get inverted() {\n    return this.depthMaskMaterial.getDepthMode() === NotEqualDepth2;\n  }\n  set inverted(value) {\n    this.depthMaskMaterial.setDepthMode(value ? NotEqualDepth2 : EqualDepth2);\n  }\n  get ignoreBackground() {\n    return !this.depthMaskMaterial.keepFar;\n  }\n  set ignoreBackground(value) {\n    this.depthMaskMaterial.keepFar = !value;\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking6) {\n    const material = this.depthMaskPass.getFullscreenMaterial();\n    material.uniforms.depthBuffer0.value = depthTexture;\n    material.defines.DEPTH_PACKING_0 = depthPacking.toFixed(0);\n    material.needsUpdate = true;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const camera = this.camera;\n    const selection = this.selection;\n    const renderTarget = this.renderTargetMasked;\n    const mask = camera.layers.mask;\n    camera.layers.set(selection.layer);\n    this.depthPass.render(renderer);\n    camera.layers.mask = mask;\n    this.clearPass.render(renderer, renderTarget);\n    this.depthMaskPass.render(renderer, inputBuffer, renderTarget);\n    super.update(renderer, renderTarget, deltaTime);\n  }\n  setSize(width, height) {\n    super.setSize(width, height);\n    this.clearPass.setSize(width, height);\n    this.depthPass.setSize(width, height);\n    this.depthMaskPass.setSize(width, height);\n    this.renderTargetMasked.setSize(width, height);\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    super.initialize(renderer, alpha, frameBufferType);\n    this.clearPass.initialize(renderer, alpha, frameBufferType);\n    this.depthPass.initialize(renderer, alpha, frameBufferType);\n    this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n    if (!alpha && frameBufferType === UnsignedByteType15) {\n      this.renderTargetMasked.texture.format = RGBFormat12;\n    }\n    if (frameBufferType !== void 0) {\n      this.renderTargetMasked.texture.type = frameBufferType;\n    }\n  }\n};\n\n// src/effects/SepiaEffect.js\nimport { Uniform as Uniform38 } from \"three\";\n\n// src/effects/glsl/sepia/shader.frag\nvar shader_default70 = \"uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,vec3(1.0-0.607*intensity,0.769*intensity,0.189*intensity)),dot(inputColor.rgb,vec3(0.349*intensity,1.0-0.314*intensity,0.168*intensity)),dot(inputColor.rgb,vec3(0.272*intensity,0.534*intensity,1.0-0.869*intensity)));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/SepiaEffect.js\nvar SepiaEffect = class extends Effect {\n  constructor({ blendFunction = BlendFunction.NORMAL, intensity = 1 } = {}) {\n    super(\"SepiaEffect\", shader_default70, {\n      blendFunction,\n      uniforms: new Map([\n        [\"intensity\", new Uniform38(intensity)]\n      ])\n    });\n  }\n};\n\n// src/effects/SMAAEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking7,\n  Color as Color8,\n  LinearFilter as LinearFilter12,\n  NearestFilter as NearestFilter8,\n  RGBAFormat as RGBAFormat6,\n  RGBFormat as RGBFormat13,\n  Texture,\n  Uniform as Uniform39,\n  Vector2 as Vector222,\n  WebGLRenderTarget as WebGLRenderTarget15\n} from \"three\";\n\n// src/images/smaa/searchImageDataURL.js\nvar searchImageDataURL_default = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAAAQCAYAAACm53kpAAAAeElEQVRYR+2XSwqAMAxEJ168ePEqwRSKhIIiuHjJqiU0gWE+1CQdApcVAMUAuARaMGCX1MIL/Ow13++9lW2s3mW9MWvsnWc/2fvGygwPAN4E8QzAA4CXAB6AHjG4JTHYI1ey3pcx6FHnEfhLDOIBKAmUBK6/ANUDTlROXAHd9EC1AAAAAElFTkSuQmCC\";\n\n// src/images/smaa/areaImageDataURL.js\nvar areaImageDataURL_default = \"data:image/png;base64,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\";\n\n// src/effects/glsl/smaa/shader.frag\nvar shader_default71 = \"uniform sampler2D weightMap;varying vec2 vOffset0;varying vec2 vOffset1;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 a;a.x=texture2D(weightMap,vOffset0).a;a.y=texture2D(weightMap,vOffset1).g;a.wz=texture2D(weightMap,uv).rb;vec4 color=inputColor;if(dot(a,vec4(1.0))>=1e-5){bool h=max(a.x,a.z)>max(a.y,a.w);vec4 blendingOffset=vec4(0.0,a.y,0.0,a.w);vec2 blendingWeight=a.yw;movec(bvec4(h),blendingOffset,vec4(a.x,0.0,a.z,0.0));movec(bvec2(h),blendingWeight,a.xz);blendingWeight/=dot(blendingWeight,vec2(1.0));vec4 blendingCoord=blendingOffset*vec4(texelSize,-texelSize)+uv.xyxy;color=blendingWeight.x*texture2D(inputBuffer,blendingCoord.xy);color+=blendingWeight.y*texture2D(inputBuffer,blendingCoord.zw);}outputColor=color;}\";\n\n// src/effects/glsl/smaa/shader.vert\nvar shader_default72 = \"varying vec2 vOffset0;varying vec2 vOffset1;void mainSupport(const in vec2 uv){vOffset0=uv+texelSize*vec2(1.0,0.0);vOffset1=uv+texelSize*vec2(0.0,1.0);}\";\n\n// src/effects/SMAAEffect.js\nvar SMAAEffect = class extends Effect {\n  constructor(searchImage, areaImage, preset = SMAAPreset.HIGH, edgeDetectionMode = EdgeDetectionMode.COLOR) {\n    super(\"SMAAEffect\", shader_default71, {\n      vertexShader: shader_default72,\n      blendFunction: BlendFunction.NORMAL,\n      attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n      uniforms: new Map([\n        [\"weightMap\", new Uniform39(null)]\n      ])\n    });\n    this.renderTargetEdges = new WebGLRenderTarget15(1, 1, {\n      minFilter: LinearFilter12,\n      stencilBuffer: false,\n      depthBuffer: false,\n      format: RGBFormat13\n    });\n    this.renderTargetEdges.texture.name = \"SMAA.Edges\";\n    this.renderTargetWeights = this.renderTargetEdges.clone();\n    this.renderTargetWeights.texture.name = \"SMAA.Weights\";\n    this.renderTargetWeights.texture.format = RGBAFormat6;\n    this.uniforms.get(\"weightMap\").value = this.renderTargetWeights.texture;\n    this.clearPass = new ClearPass(true, false, false);\n    this.clearPass.overrideClearColor = new Color8(0);\n    this.clearPass.overrideClearAlpha = 1;\n    this.edgeDetectionPass = new ShaderPass(new EdgeDetectionMaterial(new Vector222(), edgeDetectionMode));\n    this.weightsPass = new ShaderPass(new SMAAWeightsMaterial());\n    const searchTexture = new Texture(searchImage);\n    searchTexture.name = \"SMAA.Search\";\n    searchTexture.magFilter = NearestFilter8;\n    searchTexture.minFilter = NearestFilter8;\n    searchTexture.format = RGBAFormat6;\n    searchTexture.generateMipmaps = false;\n    searchTexture.needsUpdate = true;\n    searchTexture.flipY = true;\n    const areaTexture = new Texture(areaImage);\n    areaTexture.name = \"SMAA.Area\";\n    areaTexture.magFilter = LinearFilter12;\n    areaTexture.minFilter = LinearFilter12;\n    areaTexture.format = RGBAFormat6;\n    areaTexture.generateMipmaps = false;\n    areaTexture.needsUpdate = true;\n    areaTexture.flipY = false;\n    const weightsMaterial = this.weightsPass.getFullscreenMaterial();\n    weightsMaterial.uniforms.searchTexture.value = searchTexture;\n    weightsMaterial.uniforms.areaTexture.value = areaTexture;\n    this.applyPreset(preset);\n  }\n  get edgeDetectionMaterial() {\n    return this.edgeDetectionPass.getFullscreenMaterial();\n  }\n  get colorEdgesMaterial() {\n    return this.edgeDetectionMaterial;\n  }\n  get weightsMaterial() {\n    return this.weightsPass.getFullscreenMaterial();\n  }\n  setEdgeDetectionThreshold(threshold) {\n    this.edgeDetectionPass.getFullscreenMaterial().setEdgeDetectionThreshold(threshold);\n  }\n  setOrthogonalSearchSteps(steps) {\n    this.weightsPass.getFullscreenMaterial().setOrthogonalSearchSteps(steps);\n  }\n  applyPreset(preset) {\n    const edgeDetectionMaterial = this.edgeDetectionMaterial;\n    const weightsMaterial = this.weightsMaterial;\n    switch (preset) {\n      case SMAAPreset.LOW:\n        edgeDetectionMaterial.setEdgeDetectionThreshold(0.15);\n        weightsMaterial.setOrthogonalSearchSteps(4);\n        weightsMaterial.diagonalDetection = false;\n        weightsMaterial.cornerRounding = false;\n        break;\n      case SMAAPreset.MEDIUM:\n        edgeDetectionMaterial.setEdgeDetectionThreshold(0.1);\n        weightsMaterial.setOrthogonalSearchSteps(8);\n        weightsMaterial.diagonalDetection = false;\n        weightsMaterial.cornerRounding = false;\n        break;\n      case SMAAPreset.HIGH:\n        edgeDetectionMaterial.setEdgeDetectionThreshold(0.1);\n        weightsMaterial.setOrthogonalSearchSteps(16);\n        weightsMaterial.setDiagonalSearchSteps(8);\n        weightsMaterial.setCornerRounding(25);\n        weightsMaterial.diagonalDetection = true;\n        weightsMaterial.cornerRounding = true;\n        break;\n      case SMAAPreset.ULTRA:\n        edgeDetectionMaterial.setEdgeDetectionThreshold(0.05);\n        weightsMaterial.setOrthogonalSearchSteps(32);\n        weightsMaterial.setDiagonalSearchSteps(16);\n        weightsMaterial.setCornerRounding(25);\n        weightsMaterial.diagonalDetection = true;\n        weightsMaterial.cornerRounding = true;\n        break;\n    }\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking7) {\n    const material = this.edgeDetectionMaterial;\n    material.uniforms.depthBuffer.value = depthTexture;\n    material.depthPacking = depthPacking;\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    this.clearPass.render(renderer, this.renderTargetEdges);\n    this.edgeDetectionPass.render(renderer, inputBuffer, this.renderTargetEdges);\n    this.weightsPass.render(renderer, this.renderTargetEdges, this.renderTargetWeights);\n  }\n  setSize(width, height) {\n    const weightsMaterial = this.weightsPass.getFullscreenMaterial();\n    const edgeDetectionMaterial = this.edgeDetectionPass.getFullscreenMaterial();\n    this.renderTargetEdges.setSize(width, height);\n    this.renderTargetWeights.setSize(width, height);\n    weightsMaterial.uniforms.resolution.value.set(width, height);\n    weightsMaterial.uniforms.texelSize.value.set(1 / width, 1 / height);\n    edgeDetectionMaterial.uniforms.texelSize.value.copy(weightsMaterial.uniforms.texelSize.value);\n  }\n  dispose() {\n    const uniforms = this.weightsPass.getFullscreenMaterial().uniforms;\n    uniforms.searchTexture.value.dispose();\n    uniforms.areaTexture.value.dispose();\n    super.dispose();\n  }\n  static get searchImageDataURL() {\n    return searchImageDataURL_default;\n  }\n  static get areaImageDataURL() {\n    return areaImageDataURL_default;\n  }\n};\nvar SMAAPreset = {\n  LOW: 0,\n  MEDIUM: 1,\n  HIGH: 2,\n  ULTRA: 3\n};\n\n// src/effects/SSAOEffect.js\nimport {\n  BasicDepthPacking as BasicDepthPacking8,\n  Color as Color9,\n  LinearFilter as LinearFilter13,\n  RepeatWrapping as RepeatWrapping3,\n  RGBFormat as RGBFormat14,\n  Uniform as Uniform40,\n  WebGLRenderTarget as WebGLRenderTarget16\n} from \"three\";\n\n// src/effects/glsl/ssao/shader.frag\nvar shader_default73 = \"uniform lowp sampler2D aoBuffer;uniform float luminanceInfluence;\\n#ifdef DEPTH_AWARE_UPSAMPLING\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#endif\\n#ifdef COLORIZE\\nuniform vec3 color;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){float aoLinear=texture2D(aoBuffer,uv).r;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && __VERSION__ == 300\\nvec4 normalDepth[4];normalDepth[0]=textureOffset(normalDepthBuffer,uv,ivec2(0,0));normalDepth[1]=textureOffset(normalDepthBuffer,uv,ivec2(0,1));normalDepth[2]=textureOffset(normalDepthBuffer,uv,ivec2(1,0));normalDepth[3]=textureOffset(normalDepthBuffer,uv,ivec2(1,1));float dot01=dot(normalDepth[0].rgb,normalDepth[1].rgb);float dot02=dot(normalDepth[0].rgb,normalDepth[2].rgb);float dot03=dot(normalDepth[0].rgb,normalDepth[3].rgb);float minDot=min(dot01,min(dot02,dot03));float s=step(THRESHOLD,minDot);float smallestDistance=1.0;int index;for(int i=0;i<4;++i){float distance=abs(depth-normalDepth[i].a);if(distance<smallestDistance){smallestDistance=distance;index=i;}}ivec2 offsets[4];offsets[0]=ivec2(0,0);offsets[1]=ivec2(0,1);offsets[2]=ivec2(1,0);offsets[3]=ivec2(1,1);ivec2 coord=ivec2(uv*vec2(textureSize(aoBuffer,0)))+offsets[index];float aoNearest=texelFetch(aoBuffer,coord,0).r;float ao=mix(aoNearest,aoLinear,s);\\n#else\\nfloat ao=aoLinear;\\n#endif\\nfloat l=linearToRelativeLuminance(inputColor.rgb);ao=mix(ao,1.0,l*luminanceInfluence);\\n#ifdef COLORIZE\\noutputColor=vec4(1.0-(1.0-ao)*(1.0-color),inputColor.a);\\n#else\\noutputColor=vec4(vec3(ao),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/SSAOEffect.js\nvar NOISE_TEXTURE_SIZE = 64;\nvar SSAOEffect = class extends Effect {\n  constructor(camera, normalBuffer, {\n    blendFunction = BlendFunction.MULTIPLY,\n    distanceScaling = true,\n    depthAwareUpsampling = true,\n    normalDepthBuffer = null,\n    samples = 9,\n    rings = 7,\n    distanceThreshold = 0.97,\n    distanceFalloff = 0.03,\n    rangeThreshold = 5e-4,\n    rangeFalloff = 1e-3,\n    minRadiusScale = 0.33,\n    luminanceInfluence = 0.7,\n    radius = 0.1825,\n    intensity = 1,\n    bias = 0.025,\n    fade = 0.01,\n    color: color2 = null,\n    resolutionScale = 1,\n    width = Resizer.AUTO_SIZE,\n    height = Resizer.AUTO_SIZE\n  } = {}) {\n    super(\"SSAOEffect\", shader_default73, {\n      blendFunction,\n      attributes: EffectAttribute.DEPTH,\n      defines: new Map([\n        [\"THRESHOLD\", \"0.997\"]\n      ]),\n      uniforms: new Map([\n        [\"aoBuffer\", new Uniform40(null)],\n        [\"normalDepthBuffer\", new Uniform40(null)],\n        [\"luminanceInfluence\", new Uniform40(luminanceInfluence)],\n        [\"color\", new Uniform40(null)],\n        [\"scale\", new Uniform40(0)]\n      ])\n    });\n    this.renderTargetAO = new WebGLRenderTarget16(1, 1, {\n      minFilter: LinearFilter13,\n      magFilter: LinearFilter13,\n      stencilBuffer: false,\n      depthBuffer: false,\n      format: RGBFormat14\n    });\n    this.renderTargetAO.texture.name = \"AO.Target\";\n    this.renderTargetAO.texture.generateMipmaps = false;\n    this.uniforms.get(\"aoBuffer\").value = this.renderTargetAO.texture;\n    this.resolution = new Resizer(this, width, height, resolutionScale);\n    this.r = 1;\n    this.camera = camera;\n    this.ssaoPass = new ShaderPass((() => {\n      const noiseTexture = new NoiseTexture(NOISE_TEXTURE_SIZE, NOISE_TEXTURE_SIZE);\n      noiseTexture.wrapS = noiseTexture.wrapT = RepeatWrapping3;\n      const material = new SSAOMaterial(camera);\n      material.uniforms.noiseTexture.value = noiseTexture;\n      material.uniforms.intensity.value = intensity;\n      material.uniforms.minRadiusScale.value = minRadiusScale;\n      material.uniforms.fade.value = fade;\n      material.uniforms.bias.value = bias;\n      if (normalDepthBuffer !== null) {\n        material.uniforms.normalDepthBuffer.value = normalDepthBuffer;\n        material.defines.NORMAL_DEPTH = \"1\";\n        if (depthAwareUpsampling) {\n          this.depthAwareUpsampling = depthAwareUpsampling;\n          this.uniforms.get(\"normalDepthBuffer\").value = normalDepthBuffer;\n        }\n      } else {\n        material.uniforms.normalBuffer.value = normalBuffer;\n      }\n      return material;\n    })());\n    this.distanceScaling = distanceScaling;\n    this.samples = samples;\n    this.rings = rings;\n    this.color = color2;\n    this.radius = radius > 1 ? radius / 100 : radius;\n    this.setDistanceCutoff(distanceThreshold, distanceFalloff);\n    this.setProximityCutoff(rangeThreshold, rangeFalloff);\n  }\n  get ssaoMaterial() {\n    return this.ssaoPass.getFullscreenMaterial();\n  }\n  get samples() {\n    return Number(this.ssaoMaterial.defines.SAMPLES_INT);\n  }\n  set samples(value) {\n    const material = this.ssaoMaterial;\n    material.defines.SAMPLES_INT = value.toFixed(0);\n    material.defines.SAMPLES_FLOAT = value.toFixed(1);\n    material.needsUpdate = true;\n  }\n  get rings() {\n    return Number(this.ssaoMaterial.defines.SPIRAL_TURNS);\n  }\n  set rings(value) {\n    const material = this.ssaoMaterial;\n    material.defines.SPIRAL_TURNS = value.toFixed(1);\n    material.needsUpdate = true;\n  }\n  get radius() {\n    return this.r;\n  }\n  set radius(value) {\n    this.r = Math.min(Math.max(value, 1e-6), 1);\n    const radius = this.r * this.resolution.height;\n    const material = this.ssaoMaterial;\n    material.defines.RADIUS = radius.toFixed(11);\n    material.defines.RADIUS_SQ = (radius * radius).toFixed(11);\n    material.needsUpdate = true;\n  }\n  get depthAwareUpsampling() {\n    return this.defines.has(\"DEPTH_AWARE_UPSAMPLING\");\n  }\n  set depthAwareUpsampling(value) {\n    if (this.depthAwareUpsampling !== value) {\n      if (value) {\n        this.defines.set(\"DEPTH_AWARE_UPSAMPLING\", \"1\");\n      } else {\n        this.defines.delete(\"DEPTH_AWARE_UPSAMPLING\");\n      }\n      this.setChanged();\n    }\n  }\n  get distanceScaling() {\n    return this.ssaoMaterial.defines.DISTANCE_SCALING !== void 0;\n  }\n  set distanceScaling(value) {\n    if (this.distanceScaling !== value) {\n      const material = this.ssaoMaterial;\n      if (value) {\n        material.defines.DISTANCE_SCALING = \"1\";\n      } else {\n        delete material.defines.DISTANCE_SCALING;\n      }\n      material.needsUpdate = true;\n    }\n  }\n  get color() {\n    return this.uniforms.get(\"color\").value;\n  }\n  set color(value) {\n    const uniforms = this.uniforms;\n    const defines = this.defines;\n    if (value !== null) {\n      if (defines.has(\"COLORIZE\")) {\n        uniforms.get(\"color\").value.set(value);\n      } else {\n        defines.set(\"COLORIZE\", \"1\");\n        uniforms.get(\"color\").value = new Color9(value);\n        this.setChanged();\n      }\n    } else if (defines.has(\"COLORIZE\")) {\n      defines.delete(\"COLORIZE\");\n      uniforms.get(\"color\").value = null;\n      this.setChanged();\n    }\n  }\n  setDistanceCutoff(threshold, falloff) {\n    this.ssaoMaterial.uniforms.distanceCutoff.value.set(Math.min(Math.max(threshold, 0), 1), Math.min(Math.max(threshold + falloff, 0), 1));\n  }\n  setProximityCutoff(threshold, falloff) {\n    this.ssaoMaterial.uniforms.proximityCutoff.value.set(Math.min(Math.max(threshold, 0), 1), Math.min(Math.max(threshold + falloff, 0), 1));\n  }\n  setDepthTexture(depthTexture, depthPacking = BasicDepthPacking8) {\n    const material = this.ssaoMaterial;\n    if (material.defines.NORMAL_DEPTH === void 0) {\n      material.uniforms.normalDepthBuffer.value = depthTexture;\n      material.depthPacking = depthPacking;\n    }\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    this.ssaoPass.render(renderer, null, this.renderTargetAO);\n  }\n  setSize(width, height) {\n    const resolution = this.resolution;\n    resolution.base.set(width, height);\n    const w = resolution.width;\n    const h = resolution.height;\n    this.renderTargetAO.setSize(w, h);\n    this.ssaoMaterial.setTexelSize(1 / w, 1 / h);\n    const camera = this.camera;\n    const uniforms = this.ssaoMaterial.uniforms;\n    uniforms.noiseScale.value.set(w, h).divideScalar(NOISE_TEXTURE_SIZE);\n    uniforms.projectionMatrix.value.copy(camera.projectionMatrix);\n    uniforms.inverseProjectionMatrix.value.copy(camera.projectionMatrix).invert();\n    this.radius = this.r;\n  }\n};\n\n// src/effects/TextureEffect.js\nimport {\n  LinearEncoding as LinearEncoding3,\n  Matrix3,\n  sRGBEncoding as sRGBEncoding3,\n  Uniform as Uniform41,\n  UnsignedByteType as UnsignedByteType16\n} from \"three\";\n\n// src/effects/glsl/texture/shader.frag\nvar shader_default74 = \"#ifdef TEXTURE_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\n#if defined(ASPECT_CORRECTION) || defined(UV_TRANSFORM)\\nvarying vec2 vUv2;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#if defined(ASPECT_CORRECTION) || defined(UV_TRANSFORM)\\nvec4 texel=texelToLinear(texture2D(map,vUv2));\\n#else\\nvec4 texel=texelToLinear(texture2D(map,uv));\\n#endif\\noutputColor=TEXEL;}\";\n\n// src/effects/glsl/texture/shader.vert\nvar shader_default75 = \"#ifdef ASPECT_CORRECTION\\nuniform float scale;\\n#else\\nuniform mat3 uvTransform;\\n#endif\\nvarying vec2 vUv2;void mainSupport(const in vec2 uv){\\n#ifdef ASPECT_CORRECTION\\nvUv2=uv*vec2(aspect,1.0)*scale;\\n#else\\nvUv2=(uvTransform*vec3(uv,1.0)).xy;\\n#endif\\n}\";\n\n// src/effects/TextureEffect.js\nvar TextureEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    texture = null,\n    aspectCorrection = false\n  } = {}) {\n    super(\"TextureEffect\", shader_default74, {\n      blendFunction,\n      defines: new Map([\n        [\"TEXEL\", \"texel\"]\n      ]),\n      uniforms: new Map([\n        [\"map\", new Uniform41(null)],\n        [\"scale\", new Uniform41(1)],\n        [\"uvTransform\", new Uniform41(null)]\n      ])\n    });\n    this.texture = texture;\n    this.aspectCorrection = aspectCorrection;\n  }\n  get texture() {\n    return this.uniforms.get(\"map\").value;\n  }\n  set texture(value) {\n    const currentTexture = this.texture;\n    if (currentTexture !== value) {\n      this.uniforms.get(\"map\").value = value;\n      this.defines.delete(\"TEXTURE_PRECISION_HIGH\");\n      if (value !== null) {\n        switch (value.encoding) {\n          case sRGBEncoding3:\n            this.defines.set(\"texelToLinear(texel)\", \"sRGBToLinear(texel)\");\n            break;\n          case LinearEncoding3:\n            this.defines.set(\"texelToLinear(texel)\", \"texel\");\n            break;\n          default:\n            console.error(\"Unsupported encoding:\", value.encoding);\n            break;\n        }\n        if (value.type !== UnsignedByteType16) {\n          this.defines.set(\"TEXTURE_PRECISION_HIGH\", \"1\");\n        }\n        if (currentTexture === null || currentTexture.type !== value.type || currentTexture.encoding !== value.encoding) {\n          this.setChanged();\n        }\n      }\n    }\n  }\n  get aspectCorrection() {\n    return this.defines.has(\"ASPECT_CORRECTION\");\n  }\n  set aspectCorrection(value) {\n    if (this.aspectCorrection !== value) {\n      if (value) {\n        if (this.uvTransform) {\n          this.uvTransform = false;\n        }\n        this.defines.set(\"ASPECT_CORRECTION\", \"1\");\n        this.setVertexShader(shader_default75);\n      } else {\n        this.defines.delete(\"ASPECT_CORRECTION\");\n        this.setVertexShader(null);\n      }\n      this.setChanged();\n    }\n  }\n  get uvTransform() {\n    return this.defines.has(\"UV_TRANSFORM\");\n  }\n  set uvTransform(value) {\n    if (this.uvTransform !== value) {\n      if (value) {\n        if (this.aspectCorrection) {\n          this.aspectCorrection = false;\n        }\n        this.defines.set(\"UV_TRANSFORM\", \"1\");\n        this.uniforms.get(\"uvTransform\").value = new Matrix3();\n        this.setVertexShader(shader_default75);\n      } else {\n        this.defines.delete(\"UV_TRANSFORM\");\n        this.uniforms.get(\"uvTransform\").value = null;\n        this.setVertexShader(null);\n      }\n      this.setChanged();\n    }\n  }\n  setTextureSwizzleRGBA(r, g = r, b = r, a = r) {\n    const rgba = \"rgba\";\n    let swizzle = \"\";\n    if (r !== ColorChannel.RED || g !== ColorChannel.GREEN || b !== ColorChannel.BLUE || a !== ColorChannel.ALPHA) {\n      swizzle = [\".\", rgba[r], rgba[g], rgba[b], rgba[a]].join(\"\");\n    }\n    this.defines.set(\"TEXEL\", \"texel\" + swizzle);\n    this.setChanged();\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    const texture = this.uniforms.get(\"map\").value;\n    if (this.uvTransform && texture.matrixAutoUpdate) {\n      texture.updateMatrix();\n      this.uniforms.get(\"uvTransform\").value.copy(texture.matrix);\n    }\n  }\n};\n\n// src/effects/ToneMappingEffect.js\nimport {\n  LinearFilter as LinearFilter14,\n  LinearMipMapLinearFilter,\n  LinearMipmapLinearFilter,\n  RGBFormat as RGBFormat15,\n  Uniform as Uniform42,\n  WebGLRenderTarget as WebGLRenderTarget17\n} from \"three\";\n\n// src/effects/glsl/tone-mapping/shader.frag\nvar shader_default76 = \"#include <tonemapping_pars_fragment>\\nuniform lowp sampler2D luminanceBuffer;uniform float whitePoint;uniform float middleGrey;\\n#ifndef ADAPTIVE\\nuniform float averageLuminance;\\n#endif\\nvec3 Reinhard2ToneMapping(vec3 color){color*=toneMappingExposure;float l=linearToRelativeLuminance(color);\\n#ifdef ADAPTIVE\\nfloat lumAvg=texture2D(luminanceBuffer,vec2(0.5)).r;\\n#else\\nfloat lumAvg=averageLuminance;\\n#endif\\nfloat lumScaled=(l*middleGrey)/max(lumAvg,1e-6);float lumCompressed=lumScaled*(1.0+lumScaled/(whitePoint*whitePoint));lumCompressed/=(1.0+lumScaled);return clamp(lumCompressed*color,0.0,1.0);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#ifdef REINHARD2\\noutputColor=vec4(Reinhard2ToneMapping(inputColor.rgb),inputColor.a);\\n#else\\noutputColor=vec4(toneMapping(inputColor.rgb),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/ToneMappingEffect.js\nvar ToneMappingEffect = class extends Effect {\n  constructor({\n    blendFunction = BlendFunction.NORMAL,\n    adaptive = true,\n    mode = adaptive ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2,\n    resolution = 256,\n    maxLuminance = 16,\n    whitePoint = maxLuminance,\n    middleGrey = 0.6,\n    minLuminance = 0.01,\n    averageLuminance = 1,\n    adaptationRate = 1\n  } = {}) {\n    super(\"ToneMappingEffect\", shader_default76, {\n      blendFunction,\n      uniforms: new Map([\n        [\"luminanceBuffer\", new Uniform42(null)],\n        [\"maxLuminance\", new Uniform42(maxLuminance)],\n        [\"whitePoint\", new Uniform42(whitePoint)],\n        [\"middleGrey\", new Uniform42(middleGrey)],\n        [\"averageLuminance\", new Uniform42(averageLuminance)]\n      ])\n    });\n    this.renderTargetLuminance = new WebGLRenderTarget17(1, 1, {\n      minFilter: LinearMipmapLinearFilter !== void 0 ? LinearMipmapLinearFilter : LinearMipMapLinearFilter,\n      magFilter: LinearFilter14,\n      stencilBuffer: false,\n      depthBuffer: false,\n      format: RGBFormat15\n    });\n    this.renderTargetLuminance.texture.name = \"Luminance\";\n    this.renderTargetLuminance.texture.generateMipmaps = true;\n    this.luminancePass = new LuminancePass({\n      renderTarget: this.renderTargetLuminance\n    });\n    this.adaptiveLuminancePass = new AdaptiveLuminancePass(this.luminancePass.texture, {\n      minLuminance,\n      adaptationRate\n    });\n    this.uniforms.get(\"luminanceBuffer\").value = this.adaptiveLuminancePass.texture;\n    this.mode = null;\n    this.setMode(mode);\n    this.resolution = resolution;\n  }\n  getMode() {\n    return this.mode;\n  }\n  setMode(value) {\n    const currentMode = this.mode;\n    if (currentMode !== value) {\n      this.defines.clear();\n      switch (value) {\n        case ToneMappingMode.REINHARD:\n          this.defines.set(\"toneMapping(texel)\", \"ReinhardToneMapping(texel)\");\n          break;\n        case ToneMappingMode.OPTIMIZED_CINEON:\n          this.defines.set(\"toneMapping(texel)\", \"OptimizedCineonToneMapping(texel)\");\n          break;\n        case ToneMappingMode.ACES_FILMIC:\n          this.defines.set(\"toneMapping(texel)\", \"ACESFilmicToneMapping(texel)\");\n          break;\n        default:\n          this.defines.set(\"toneMapping(texel)\", \"texel\");\n          break;\n      }\n      if (value === ToneMappingMode.REINHARD2) {\n        this.defines.set(\"REINHARD2\", \"1\");\n      } else if (value === ToneMappingMode.REINHARD2_ADAPTIVE) {\n        this.defines.set(\"REINHARD2\", \"1\");\n        this.defines.set(\"ADAPTIVE\", \"1\");\n      }\n      this.mode = value;\n      this.setChanged();\n    }\n  }\n  get resolution() {\n    return this.luminancePass.resolution.width;\n  }\n  set resolution(value) {\n    const exponent = Math.max(0, Math.ceil(Math.log2(value)));\n    const size = Math.pow(2, exponent);\n    this.luminancePass.resolution.width = size;\n    this.luminancePass.resolution.height = size;\n    this.adaptiveLuminancePass.mipLevel1x1 = exponent;\n  }\n  get adaptive() {\n    return this.defines.has(\"ADAPTIVE\");\n  }\n  set adaptive(value) {\n    this.mode = value ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2;\n  }\n  get adaptationRate() {\n    return this.adaptiveLuminancePass.adaptationRate;\n  }\n  set adaptationRate(value) {\n    this.adaptiveLuminancePass.adaptationRate = value;\n  }\n  get distinction() {\n    console.warn(this.name, \"The distinction field has been removed.\");\n    return 1;\n  }\n  set distinction(value) {\n    console.warn(this.name, \"The distinction field has been removed.\");\n  }\n  update(renderer, inputBuffer, deltaTime) {\n    if (this.mode === ToneMappingMode.REINHARD2_ADAPTIVE) {\n      this.luminancePass.render(renderer, inputBuffer);\n      this.adaptiveLuminancePass.render(renderer, null, null, deltaTime);\n    }\n  }\n  initialize(renderer, alpha, frameBufferType) {\n    this.adaptiveLuminancePass.initialize(renderer, alpha, frameBufferType);\n  }\n};\nvar ToneMappingMode = {\n  REINHARD: 0,\n  REINHARD2: 1,\n  REINHARD2_ADAPTIVE: 2,\n  OPTIMIZED_CINEON: 3,\n  ACES_FILMIC: 4\n};\n\n// src/effects/VignetteEffect.js\nimport { Uniform as Uniform43 } from \"three\";\n\n// src/effects/glsl/vignette/shader.frag\nvar shader_default77 = \"uniform float offset;uniform float darkness;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){const vec2 center=vec2(0.5);vec3 color=inputColor.rgb;\\n#ifdef ESKIL\\nvec2 coord=(uv-center)*vec2(offset);color=mix(color,vec3(1.0-darkness),dot(coord,coord));\\n#else\\nfloat d=distance(uv,center);color*=smoothstep(0.8,offset*0.799,d*(darkness+offset));\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/VignetteEffect.js\nvar VignetteEffect = class extends Effect {\n  constructor(options = {}) {\n    const settings = Object.assign({\n      blendFunction: BlendFunction.NORMAL,\n      eskil: false,\n      offset: 0.5,\n      darkness: 0.5\n    }, options);\n    super(\"VignetteEffect\", shader_default77, {\n      blendFunction: settings.blendFunction,\n      uniforms: new Map([\n        [\"offset\", new Uniform43(settings.offset)],\n        [\"darkness\", new Uniform43(settings.darkness)]\n      ])\n    });\n    this.eskil = settings.eskil;\n  }\n  get eskil() {\n    return this.defines.has(\"ESKIL\");\n  }\n  set eskil(value) {\n    if (this.eskil !== value) {\n      if (value) {\n        this.defines.set(\"ESKIL\", \"1\");\n      } else {\n        this.defines.delete(\"ESKIL\");\n      }\n      this.setChanged();\n    }\n  }\n};\n\n// src/images/lut/TetrahedralUpscaler.js\nvar P = [\n  new Float32Array(3),\n  new Float32Array(3)\n];\nvar C = [\n  new Float32Array(3),\n  new Float32Array(3),\n  new Float32Array(3),\n  new Float32Array(3)\n];\nvar T = [\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([1, 0, 0]),\n    new Float32Array([1, 1, 0]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([1, 0, 0]),\n    new Float32Array([1, 0, 1]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([0, 0, 1]),\n    new Float32Array([1, 0, 1]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([0, 1, 0]),\n    new Float32Array([1, 1, 0]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([0, 1, 0]),\n    new Float32Array([0, 1, 1]),\n    new Float32Array([1, 1, 1])\n  ],\n  [\n    new Float32Array([0, 0, 0]),\n    new Float32Array([0, 0, 1]),\n    new Float32Array([0, 1, 1]),\n    new Float32Array([1, 1, 1])\n  ]\n];\nfunction calculateTetrahedronVolume(a, b, c2, d) {\n  const bcX = c2[0] - b[0];\n  const bcY = c2[1] - b[1];\n  const bcZ = c2[2] - b[2];\n  const baX = a[0] - b[0];\n  const baY = a[1] - b[1];\n  const baZ = a[2] - b[2];\n  const crossX = bcY * baZ - bcZ * baY;\n  const crossY = bcZ * baX - bcX * baZ;\n  const crossZ = bcX * baY - bcY * baX;\n  const length = Math.sqrt(crossX * crossX + crossY * crossY + crossZ * crossZ);\n  const triangleArea = length * 0.5;\n  const normalX = crossX / length;\n  const normalY = crossY / length;\n  const normalZ = crossZ / length;\n  const constant = -(a[0] * normalX + a[1] * normalY + a[2] * normalZ);\n  const dot = d[0] * normalX + d[1] * normalY + d[2] * normalZ;\n  const height = Math.abs(dot + constant);\n  return height * triangleArea / 3;\n}\nfunction sample(data, size, x, y, z, color2) {\n  const i3 = (x + y * size + z * size * size) * 3;\n  color2[0] = data[i3 + 0];\n  color2[1] = data[i3 + 1];\n  color2[2] = data[i3 + 2];\n}\nfunction tetrahedralSample(data, size, u, v3, w, color2) {\n  const px = u * (size - 1);\n  const py = v3 * (size - 1);\n  const pz = w * (size - 1);\n  const minX = Math.floor(px);\n  const minY = Math.floor(py);\n  const minZ = Math.floor(pz);\n  const maxX = Math.ceil(px);\n  const maxY = Math.ceil(py);\n  const maxZ = Math.ceil(pz);\n  const su = px - minX;\n  const sv = py - minY;\n  const sw = pz - minZ;\n  if (minX === px && minY === py && minZ === pz) {\n    sample(data, size, px, py, pz, color2);\n  } else {\n    let vertices;\n    if (su >= sv && sv >= sw) {\n      vertices = T[0];\n    } else if (su >= sw && sw >= sv) {\n      vertices = T[1];\n    } else if (sw >= su && su >= sv) {\n      vertices = T[2];\n    } else if (sv >= su && su >= sw) {\n      vertices = T[3];\n    } else if (sv >= sw && sw >= su) {\n      vertices = T[4];\n    } else if (sw >= sv && sv >= su) {\n      vertices = T[5];\n    }\n    const [P0, P1, P2, P3] = vertices;\n    const coords = P[0];\n    coords[0] = su;\n    coords[1] = sv;\n    coords[2] = sw;\n    const tmp = P[1];\n    const diffX = maxX - minX;\n    const diffY = maxY - minY;\n    const diffZ = maxZ - minZ;\n    tmp[0] = diffX * P0[0] + minX;\n    tmp[1] = diffY * P0[1] + minY;\n    tmp[2] = diffZ * P0[2] + minZ;\n    sample(data, size, tmp[0], tmp[1], tmp[2], C[0]);\n    tmp[0] = diffX * P1[0] + minX;\n    tmp[1] = diffY * P1[1] + minY;\n    tmp[2] = diffZ * P1[2] + minZ;\n    sample(data, size, tmp[0], tmp[1], tmp[2], C[1]);\n    tmp[0] = diffX * P2[0] + minX;\n    tmp[1] = diffY * P2[1] + minY;\n    tmp[2] = diffZ * P2[2] + minZ;\n    sample(data, size, tmp[0], tmp[1], tmp[2], C[2]);\n    tmp[0] = diffX * P3[0] + minX;\n    tmp[1] = diffY * P3[1] + minY;\n    tmp[2] = diffZ * P3[2] + minZ;\n    sample(data, size, tmp[0], tmp[1], tmp[2], C[3]);\n    const V0 = calculateTetrahedronVolume(P1, P2, P3, coords) * 6;\n    const V1 = calculateTetrahedronVolume(P0, P2, P3, coords) * 6;\n    const V2 = calculateTetrahedronVolume(P0, P1, P3, coords) * 6;\n    const V3 = calculateTetrahedronVolume(P0, P1, P2, coords) * 6;\n    C[0][0] *= V0;\n    C[0][1] *= V0;\n    C[0][2] *= V0;\n    C[1][0] *= V1;\n    C[1][1] *= V1;\n    C[1][2] *= V1;\n    C[2][0] *= V2;\n    C[2][1] *= V2;\n    C[2][2] *= V2;\n    C[3][0] *= V3;\n    C[3][1] *= V3;\n    C[3][2] *= V3;\n    color2[0] = C[0][0] + C[1][0] + C[2][0] + C[3][0];\n    color2[1] = C[0][1] + C[1][1] + C[2][1] + C[3][1];\n    color2[2] = C[0][2] + C[1][2] + C[2][2] + C[3][2];\n  }\n}\nvar TetrahedralUpscaler = class {\n  static expand(data, size) {\n    const originalSize = Math.cbrt(data.length / 3);\n    const rgb = new Float32Array(3);\n    const array = new data.constructor(size ** 3 * 3);\n    const s = 1 / (size - 1);\n    for (let z = 0; z < size; ++z) {\n      for (let y = 0; y < size; ++y) {\n        for (let x = 0; x < size; ++x) {\n          const u = x * s;\n          const v3 = y * s;\n          const w = z * s;\n          const i3 = Math.round(x + y * size + z * size * size) * 3;\n          tetrahedralSample(data, originalSize, u, v3, w, rgb);\n          array[i3 + 0] = rgb[0];\n          array[i3 + 1] = rgb[1];\n          array[i3 + 2] = rgb[2];\n        }\n      }\n    }\n    return array;\n  }\n};\n\n// src/images/smaa/SMAAAreaImageData.js\nvar area = [\n  new Float32Array(2),\n  new Float32Array(2)\n];\nvar ORTHOGONAL_SIZE = 16;\nvar DIAGONAL_SIZE = 20;\nvar DIAGONAL_SAMPLES = 30;\nvar SMOOTH_MAX_DISTANCE = 32;\nvar orthogonalSubsamplingOffsets = new Float32Array([\n  0,\n  -0.25,\n  0.25,\n  -0.125,\n  0.125,\n  -0.375,\n  0.375\n]);\nvar diagonalSubsamplingOffsets = [\n  new Float32Array([0, 0]),\n  new Float32Array([0.25, -0.25]),\n  new Float32Array([-0.25, 0.25]),\n  new Float32Array([0.125, -0.125]),\n  new Float32Array([-0.125, 0.125])\n];\nvar orthogonalEdges = [\n  new Uint8Array([0, 0]),\n  new Uint8Array([3, 0]),\n  new Uint8Array([0, 3]),\n  new Uint8Array([3, 3]),\n  new Uint8Array([1, 0]),\n  new Uint8Array([4, 0]),\n  new Uint8Array([1, 3]),\n  new Uint8Array([4, 3]),\n  new Uint8Array([0, 1]),\n  new Uint8Array([3, 1]),\n  new Uint8Array([0, 4]),\n  new Uint8Array([3, 4]),\n  new Uint8Array([1, 1]),\n  new Uint8Array([4, 1]),\n  new Uint8Array([1, 4]),\n  new Uint8Array([4, 4])\n];\nvar diagonalEdges = [\n  new Uint8Array([0, 0]),\n  new Uint8Array([1, 0]),\n  new Uint8Array([0, 2]),\n  new Uint8Array([1, 2]),\n  new Uint8Array([2, 0]),\n  new Uint8Array([3, 0]),\n  new Uint8Array([2, 2]),\n  new Uint8Array([3, 2]),\n  new Uint8Array([0, 1]),\n  new Uint8Array([1, 1]),\n  new Uint8Array([0, 3]),\n  new Uint8Array([1, 3]),\n  new Uint8Array([2, 1]),\n  new Uint8Array([3, 1]),\n  new Uint8Array([2, 3]),\n  new Uint8Array([3, 3])\n];\nfunction lerp(a, b, p) {\n  return a + (b - a) * p;\n}\nfunction saturate(a) {\n  return Math.min(Math.max(a, 0), 1);\n}\nfunction smoothArea(d) {\n  const a1 = area[0];\n  const a2 = area[1];\n  const b1X = Math.sqrt(a1[0] * 2) * 0.5;\n  const b1Y = Math.sqrt(a1[1] * 2) * 0.5;\n  const b2X = Math.sqrt(a2[0] * 2) * 0.5;\n  const b2Y = Math.sqrt(a2[1] * 2) * 0.5;\n  const p = saturate(d / SMOOTH_MAX_DISTANCE);\n  a1[0] = lerp(b1X, a1[0], p);\n  a1[1] = lerp(b1Y, a1[1], p);\n  a2[0] = lerp(b2X, a2[0], p);\n  a2[1] = lerp(b2Y, a2[1], p);\n}\nfunction getOrthArea(p1X, p1Y, p2X, p2Y, x, result) {\n  const dX = p2X - p1X;\n  const dY = p2Y - p1Y;\n  const x1 = x;\n  const x2 = x + 1;\n  const y1 = p1Y + dY * (x1 - p1X) / dX;\n  const y2 = p1Y + dY * (x2 - p1X) / dX;\n  if (x1 >= p1X && x1 < p2X || x2 > p1X && x2 <= p2X) {\n    if (Math.sign(y1) === Math.sign(y2) || Math.abs(y1) < 1e-4 || Math.abs(y2) < 1e-4) {\n      const a = (y1 + y2) / 2;\n      if (a < 0) {\n        result[0] = Math.abs(a);\n        result[1] = 0;\n      } else {\n        result[0] = 0;\n        result[1] = Math.abs(a);\n      }\n    } else {\n      const t = -p1Y * dX / dY + p1X;\n      const tInt = Math.trunc(t);\n      const a1 = t > p1X ? y1 * (t - tInt) / 2 : 0;\n      const a2 = t < p2X ? y2 * (1 - (t - tInt)) / 2 : 0;\n      const a = Math.abs(a1) > Math.abs(a2) ? a1 : -a2;\n      if (a < 0) {\n        result[0] = Math.abs(a1);\n        result[1] = Math.abs(a2);\n      } else {\n        result[0] = Math.abs(a2);\n        result[1] = Math.abs(a1);\n      }\n    }\n  } else {\n    result[0] = 0;\n    result[1] = 0;\n  }\n  return result;\n}\nfunction getOrthAreaForPattern(pattern, left, right, offset, result) {\n  const a1 = area[0];\n  const a2 = area[1];\n  const o1 = 0.5 + offset;\n  const o2 = 0.5 + offset - 1;\n  const d = left + right + 1;\n  switch (pattern) {\n    case 0: {\n      result[0] = 0;\n      result[1] = 0;\n      break;\n    }\n    case 1: {\n      if (left <= right) {\n        getOrthArea(0, o2, d / 2, 0, left, result);\n      } else {\n        result[0] = 0;\n        result[1] = 0;\n      }\n      break;\n    }\n    case 2: {\n      if (left >= right) {\n        getOrthArea(d / 2, 0, d, o2, left, result);\n      } else {\n        result[0] = 0;\n        result[1] = 0;\n      }\n      break;\n    }\n    case 3: {\n      getOrthArea(0, o2, d / 2, 0, left, a1);\n      getOrthArea(d / 2, 0, d, o2, left, a2);\n      smoothArea(d, area);\n      result[0] = a1[0] + a2[0];\n      result[1] = a1[1] + a2[1];\n      break;\n    }\n    case 4: {\n      if (left <= right) {\n        getOrthArea(0, o1, d / 2, 0, left, result);\n      } else {\n        result[0] = 0;\n        result[1] = 0;\n      }\n      break;\n    }\n    case 5: {\n      result[0] = 0;\n      result[1] = 0;\n      break;\n    }\n    case 6: {\n      if (Math.abs(offset) > 0) {\n        getOrthArea(0, o1, d, o2, left, a1);\n        getOrthArea(0, o1, d / 2, 0, left, a2);\n        getOrthArea(d / 2, 0, d, o2, left, result);\n        a2[0] = a2[0] + result[0];\n        a2[1] = a2[1] + result[1];\n        result[0] = (a1[0] + a2[0]) / 2;\n        result[1] = (a1[1] + a2[1]) / 2;\n      } else {\n        getOrthArea(0, o1, d, o2, left, result);\n      }\n      break;\n    }\n    case 7: {\n      getOrthArea(0, o1, d, o2, left, result);\n      break;\n    }\n    case 8: {\n      if (left >= right) {\n        getOrthArea(d / 2, 0, d, o1, left, result);\n      } else {\n        result[0] = 0;\n        result[1] = 0;\n      }\n      break;\n    }\n    case 9: {\n      if (Math.abs(offset) > 0) {\n        getOrthArea(0, o2, d, o1, left, a1);\n        getOrthArea(0, o2, d / 2, 0, left, a2);\n        getOrthArea(d / 2, 0, d, o1, left, result);\n        a2[0] = a2[0] + result[0];\n        a2[1] = a2[1] + result[1];\n        result[0] = (a1[0] + a2[0]) / 2;\n        result[1] = (a1[1] + a2[1]) / 2;\n      } else {\n        getOrthArea(0, o2, d, o1, left, result);\n      }\n      break;\n    }\n    case 10: {\n      result[0] = 0;\n      result[1] = 0;\n      break;\n    }\n    case 11: {\n      getOrthArea(0, o2, d, o1, left, result);\n      break;\n    }\n    case 12: {\n      getOrthArea(0, o1, d / 2, 0, left, a1);\n      getOrthArea(d / 2, 0, d, o1, left, a2);\n      smoothArea(d, area);\n      result[0] = a1[0] + a2[0];\n      result[1] = a1[1] + a2[1];\n      break;\n    }\n    case 13: {\n      getOrthArea(0, o2, d, o1, left, result);\n      break;\n    }\n    case 14: {\n      getOrthArea(0, o1, d, o2, left, result);\n      break;\n    }\n    case 15: {\n      result[0] = 0;\n      result[1] = 0;\n      break;\n    }\n  }\n  return result;\n}\nfunction isInsideArea(a1X, a1Y, a2X, a2Y, x, y) {\n  let result = a1X === a2X && a1Y === a2Y;\n  if (!result) {\n    const xm = (a1X + a2X) / 2;\n    const ym = (a1Y + a2Y) / 2;\n    const a = a2Y - a1Y;\n    const b = a1X - a2X;\n    const c2 = a * (x - xm) + b * (y - ym);\n    result = c2 > 0;\n  }\n  return result;\n}\nfunction getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, pX, pY) {\n  let n = 0;\n  for (let y = 0; y < DIAGONAL_SAMPLES; ++y) {\n    for (let x = 0; x < DIAGONAL_SAMPLES; ++x) {\n      const offsetX = x / (DIAGONAL_SAMPLES - 1);\n      const offsetY = y / (DIAGONAL_SAMPLES - 1);\n      if (isInsideArea(a1X, a1Y, a2X, a2Y, pX + offsetX, pY + offsetY)) {\n        ++n;\n      }\n    }\n  }\n  return n / (DIAGONAL_SAMPLES * DIAGONAL_SAMPLES);\n}\nfunction getDiagArea(pattern, a1X, a1Y, a2X, a2Y, left, offset, result) {\n  const e = diagonalEdges[pattern];\n  const e1 = e[0];\n  const e2 = e[1];\n  if (e1 > 0) {\n    a1X += offset[0];\n    a1Y += offset[1];\n  }\n  if (e2 > 0) {\n    a2X += offset[0];\n    a2Y += offset[1];\n  }\n  result[0] = 1 - getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 0 + left);\n  result[1] = getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 1 + left);\n  return result;\n}\nfunction getDiagAreaForPattern(pattern, left, right, offset, result) {\n  const a1 = area[0];\n  const a2 = area[1];\n  const d = left + right + 1;\n  switch (pattern) {\n    case 0: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 1: {\n      getDiagArea(pattern, 1, 0, 0 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 2: {\n      getDiagArea(pattern, 0, 0, 1 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 3: {\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, result);\n      break;\n    }\n    case 4: {\n      getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 5: {\n      getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 6: {\n      getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, result);\n      break;\n    }\n    case 7: {\n      getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 8: {\n      getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 9: {\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n      break;\n    }\n    case 10: {\n      getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 11: {\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 12: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, result);\n      break;\n    }\n    case 13: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 14: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n    case 15: {\n      getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n      getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n      result[0] = (a1[0] + a2[0]) / 2;\n      result[1] = (a1[1] + a2[1]) / 2;\n      break;\n    }\n  }\n  return result;\n}\nfunction generatePatterns(patterns, offset, orthogonal) {\n  const result = new Float32Array(2);\n  for (let i = 0, l = patterns.length; i < l; ++i) {\n    const pattern = patterns[i];\n    const data = pattern.data;\n    const size = pattern.width;\n    for (let y = 0; y < size; ++y) {\n      for (let x = 0; x < size; ++x) {\n        if (orthogonal) {\n          getOrthAreaForPattern(i, x, y, offset, result);\n        } else {\n          getDiagAreaForPattern(i, x, y, offset, result);\n        }\n        const c2 = (y * size + x) * 2;\n        data[c2] = result[0] * 255;\n        data[c2 + 1] = result[1] * 255;\n      }\n    }\n  }\n}\nfunction assemble(baseX, baseY, patterns, edges2, size, orthogonal, target) {\n  const dstData = target.data;\n  const dstWidth = target.width;\n  for (let i = 0, l = patterns.length; i < l; ++i) {\n    const edge = edges2[i];\n    const pattern = patterns[i];\n    const srcData = pattern.data;\n    const srcWidth = pattern.width;\n    for (let y = 0; y < size; ++y) {\n      for (let x = 0; x < size; ++x) {\n        const pX = edge[0] * size + baseX + x;\n        const pY = edge[1] * size + baseY + y;\n        const c2 = (pY * dstWidth + pX) * 4;\n        const d = orthogonal ? (y * y * srcWidth + x * x) * 2 : (y * srcWidth + x) * 2;\n        dstData[c2] = srcData[d];\n        dstData[c2 + 1] = srcData[d + 1];\n        dstData[c2 + 2] = 0;\n        dstData[c2 + 3] = 255;\n      }\n    }\n  }\n}\nvar SMAAAreaImageData = class {\n  static generate() {\n    const width = 2 * 5 * ORTHOGONAL_SIZE;\n    const height = orthogonalSubsamplingOffsets.length * 5 * ORTHOGONAL_SIZE;\n    const data = new Uint8ClampedArray(width * height * 4);\n    const result = new RawImageData(width, height, data);\n    const orthPatternSize = Math.pow(ORTHOGONAL_SIZE - 1, 2) + 1;\n    const diagPatternSize = DIAGONAL_SIZE;\n    const orthogonalPatterns = [];\n    const diagonalPatterns = [];\n    for (let i = 3, l = data.length; i < l; i += 4) {\n      data[i] = 255;\n    }\n    for (let i = 0; i < 16; ++i) {\n      orthogonalPatterns.push(new RawImageData(orthPatternSize, orthPatternSize, new Uint8ClampedArray(orthPatternSize * orthPatternSize * 2), 2));\n      diagonalPatterns.push(new RawImageData(diagPatternSize, diagPatternSize, new Uint8ClampedArray(diagPatternSize * diagPatternSize * 2), 2));\n    }\n    for (let i = 0, l = orthogonalSubsamplingOffsets.length; i < l; ++i) {\n      generatePatterns(orthogonalPatterns, orthogonalSubsamplingOffsets[i], true);\n      assemble(0, 5 * ORTHOGONAL_SIZE * i, orthogonalPatterns, orthogonalEdges, ORTHOGONAL_SIZE, true, result);\n    }\n    for (let i = 0, l = diagonalSubsamplingOffsets.length; i < l; ++i) {\n      generatePatterns(diagonalPatterns, diagonalSubsamplingOffsets[i], false);\n      assemble(5 * ORTHOGONAL_SIZE, 4 * DIAGONAL_SIZE * i, diagonalPatterns, diagonalEdges, DIAGONAL_SIZE, false, result);\n    }\n    return result;\n  }\n};\n\n// src/images/smaa/SMAAImageGenerator.js\nimport { LoadingManager } from \"three\";\n\n// tmp/smaa/worker.txt\nvar worker_default2 = '(()=>{function q(t,a,s){let i=document.createElementNS(\"http://www.w3.org/1999/xhtml\",\"canvas\"),n=i.getContext(\"2d\");if(i.width=t,i.height=a,s instanceof Image)n.drawImage(s,0,0);else{let r=n.createImageData(t,a);r.data.set(s),n.putImageData(r,0,0)}return i}var k=class{constructor(a=0,s=0,i=null){this.width=a,this.height=s,this.data=i}toCanvas(){return typeof document==\"undefined\"?null:q(this.width,this.height,this.data)}static from(a){let{width:s,height:i}=a,n;if(a instanceof Image){let r=q(s,i,a);r!==null&&(n=r.getContext(\"2d\").getImageData(0,0,s,i).data)}else n=a.data;return new k(s,i,n)}};var F=[new Float32Array(2),new Float32Array(2)],I=16,P=20,x=30,z=32,E=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),W=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],B=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],_=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];function O(t,a,s){return t+(a-t)*s}function J(t){return Math.min(Math.max(t,0),1)}function G(t){let a=F[0],s=F[1],i=Math.sqrt(a[0]*2)*.5,n=Math.sqrt(a[1]*2)*.5,r=Math.sqrt(s[0]*2)*.5,o=Math.sqrt(s[1]*2)*.5,c=J(t/z);a[0]=O(i,a[0],c),a[1]=O(n,a[1],c),s[0]=O(r,s[0],c),s[1]=O(o,s[1],c)}function y(t,a,s,i,n,r){let o=s-t,c=i-a,w=n,e=n+1,A=a+c*(w-t)/o,b=a+c*(e-t)/o;if(w>=t&&w<s||e>t&&e<=s)if(Math.sign(A)===Math.sign(b)||Math.abs(A)<1e-4||Math.abs(b)<1e-4){let g=(A+b)/2;g<0?(r[0]=Math.abs(g),r[1]=0):(r[0]=0,r[1]=Math.abs(g))}else{let g=-a*o/c+t,M=Math.trunc(g),U=g>t?A*(g-M)/2:0,m=g<s?b*(1-(g-M))/2:0;(Math.abs(U)>Math.abs(m)?U:-m)<0?(r[0]=Math.abs(U),r[1]=Math.abs(m)):(r[0]=Math.abs(m),r[1]=Math.abs(U))}else r[0]=0,r[1]=0;return r}function K(t,a,s,i,n){let r=F[0],o=F[1],c=.5+i,w=.5+i-1,e=a+s+1;switch(t){case 0:{n[0]=0,n[1]=0;break}case 1:{a<=s?y(0,w,e/2,0,a,n):(n[0]=0,n[1]=0);break}case 2:{a>=s?y(e/2,0,e,w,a,n):(n[0]=0,n[1]=0);break}case 3:{y(0,w,e/2,0,a,r),y(e/2,0,e,w,a,o),G(e,F),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 4:{a<=s?y(0,c,e/2,0,a,n):(n[0]=0,n[1]=0);break}case 5:{n[0]=0,n[1]=0;break}case 6:{Math.abs(i)>0?(y(0,c,e,w,a,r),y(0,c,e/2,0,a,o),y(e/2,0,e,w,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):y(0,c,e,w,a,n);break}case 7:{y(0,c,e,w,a,n);break}case 8:{a>=s?y(e/2,0,e,c,a,n):(n[0]=0,n[1]=0);break}case 9:{Math.abs(i)>0?(y(0,w,e,c,a,r),y(0,w,e/2,0,a,o),y(e/2,0,e,c,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):y(0,w,e,c,a,n);break}case 10:{n[0]=0,n[1]=0;break}case 11:{y(0,w,e,c,a,n);break}case 12:{y(0,c,e/2,0,a,r),y(e/2,0,e,c,a,o),G(e,F),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 13:{y(0,w,e,c,a,n);break}case 14:{y(0,c,e,w,a,n);break}case 15:{n[0]=0,n[1]=0;break}}return n}function Q(t,a,s,i,n,r){let o=t===s&&a===i;if(!o){let c=(t+s)/2,w=(a+i)/2,e=i-a,A=t-s;o=e*(n-c)+A*(r-w)>0}return o}function H(t,a,s,i,n,r){let o=0;for(let c=0;c<x;++c)for(let w=0;w<x;++w){let e=w/(x-1),A=c/(x-1);Q(t,a,s,i,n+e,r+A)&&++o}return o/(x*x)}function h(t,a,s,i,n,r,o,c){let w=_[t],e=w[0],A=w[1];return e>0&&(a+=o[0],s+=o[1]),A>0&&(i+=o[0],n+=o[1]),c[0]=1-H(a,s,i,n,1+r,0+r),c[1]=H(a,s,i,n,1+r,1+r),c}function V(t,a,s,i,n){let r=F[0],o=F[1],c=a+s+1;switch(t){case 0:{h(t,1,1,1+c,1+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 1:{h(t,1,0,0+c,0+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 2:{h(t,0,0,1+c,0+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 3:{h(t,1,0,1+c,0+c,a,i,n);break}case 4:{h(t,1,1,0+c,0+c,a,i,r),h(t,1,1,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 5:{h(t,1,1,0+c,0+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 6:{h(t,1,1,1+c,0+c,a,i,n);break}case 7:{h(t,1,1,1+c,0+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 8:{h(t,0,0,1+c,1+c,a,i,r),h(t,1,0,1+c,1+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 9:{h(t,1,0,1+c,1+c,a,i,n),h(t,1,0,1+c,1+c,a,i,n);break}case 10:{h(t,0,0,1+c,1+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 11:{h(t,1,0,1+c,1+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 12:{h(t,1,1,1+c,1+c,a,i,n);break}case 13:{h(t,1,1,1+c,1+c,a,i,r),h(t,1,0,1+c,1+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 14:{h(t,1,1,1+c,1+c,a,i,r),h(t,1,1,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 15:{h(t,1,1,1+c,1+c,a,i,r),h(t,1,0,1+c,0+c,a,i,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}}return n}function T(t,a,s){let i=new Float32Array(2);for(let n=0,r=t.length;n<r;++n){let o=t[n],c=o.data,w=o.width;for(let e=0;e<w;++e)for(let A=0;A<w;++A){s?K(n,A,e,a,i):V(n,A,e,a,i);let b=(e*w+A)*2;c[b]=i[0]*255,c[b+1]=i[1]*255}}}function Z(t,a,s,i,n,r,o){let c=o.data,w=o.width;for(let e=0,A=s.length;e<A;++e){let b=i[e],g=s[e],M=g.data,U=g.width;for(let m=0;m<n;++m)for(let D=0;D<n;++D){let j=b[0]*n+t+D,S=((b[1]*n+a+m)*w+j)*4,R=r?(m*m*U+D*D)*2:(m*U+D)*2;c[S]=M[R],c[S+1]=M[R+1],c[S+2]=0,c[S+3]=255}}}var v=class{static generate(){let a=2*5*I,s=E.length*5*I,i=new Uint8ClampedArray(a*s*4),n=new k(a,s,i),r=Math.pow(I-1,2)+1,o=P,c=[],w=[];for(let e=3,A=i.length;e<A;e+=4)i[e]=255;for(let e=0;e<16;++e)c.push(new k(r,r,new Uint8ClampedArray(r*r*2),2)),w.push(new k(o,o,new Uint8ClampedArray(o*o*2),2));for(let e=0,A=E.length;e<A;++e)T(c,E[e],!0),Z(0,5*I*e,c,B,I,!0,n);for(let e=0,A=W.length;e<A;++e)T(w,W[e],!1),Z(5*I,4*P*e,w,_,P,!1,n);return n}};var C=new Map([[d(0,0,0,0),new Float32Array([0,0,0,0])],[d(0,0,0,1),new Float32Array([0,0,0,1])],[d(0,0,1,0),new Float32Array([0,0,1,0])],[d(0,0,1,1),new Float32Array([0,0,1,1])],[d(0,1,0,0),new Float32Array([0,1,0,0])],[d(0,1,0,1),new Float32Array([0,1,0,1])],[d(0,1,1,0),new Float32Array([0,1,1,0])],[d(0,1,1,1),new Float32Array([0,1,1,1])],[d(1,0,0,0),new Float32Array([1,0,0,0])],[d(1,0,0,1),new Float32Array([1,0,0,1])],[d(1,0,1,0),new Float32Array([1,0,1,0])],[d(1,0,1,1),new Float32Array([1,0,1,1])],[d(1,1,0,0),new Float32Array([1,1,0,0])],[d(1,1,0,1),new Float32Array([1,1,0,1])],[d(1,1,1,0),new Float32Array([1,1,1,0])],[d(1,1,1,1),new Float32Array([1,1,1,1])]]);function L(t,a,s){return t+(a-t)*s}function d(t,a,s,i){let n=L(t,a,1-.25),r=L(s,i,1-.25);return L(n,r,1-.125)}function $(t,a){let s=0;return a[3]===1&&(s+=1),s===1&&a[2]===1&&t[1]!==1&&t[3]!==1&&(s+=1),s}function Y(t,a){let s=0;return a[3]===1&&t[1]!==1&&t[3]!==1&&(s+=1),s===1&&a[2]===1&&t[0]!==1&&t[2]!==1&&(s+=1),s}var N=class{static generate(){let a=66,s=33,i=a/2,n=64,r=16,o=new Uint8ClampedArray(a*s),c=new Uint8ClampedArray(n*r*4);for(let w=0;w<s;++w)for(let e=0;e<a;++e){let A=.03125*e,b=.03125*w;if(C.has(A)&&C.has(b)){let g=C.get(A),M=C.get(b),U=w*a+e;o[U]=127*$(g,M),o[U+i]=127*Y(g,M)}}for(let w=0,e=s-r;e<s;++e)for(let A=0;A<n;++A,w+=4)c[w]=o[e*a+A],c[w+3]=255;return new k(n,r,c)}};self.addEventListener(\"message\",t=>{let a=v.generate(),s=N.generate();postMessage({areaImageData:a,searchImageData:s},[a.data.buffer,s.data.buffer]),close()});})();\\n';\n\n// src/images/smaa/SMAAImageGenerator.js\nfunction generate(useCache = true) {\n  const workerURL = URL.createObjectURL(new Blob([worker_default2], {\n    type: \"text/javascript\"\n  }));\n  const worker = new Worker(workerURL);\n  URL.revokeObjectURL(workerURL);\n  return new Promise((resolve, reject) => {\n    worker.addEventListener(\"error\", (event) => reject(event.error));\n    worker.addEventListener(\"message\", (event) => {\n      const searchImageData = RawImageData.from(event.data.searchImageData);\n      const areaImageData = RawImageData.from(event.data.areaImageData);\n      const urls = [\n        searchImageData.toCanvas().toDataURL(\"image/png\", 1),\n        areaImageData.toCanvas().toDataURL(\"image/png\", 1)\n      ];\n      if (useCache) {\n        localStorage.setItem(\"smaa-search\", urls[0]);\n        localStorage.setItem(\"smaa-area\", urls[1]);\n      }\n      resolve(urls);\n    });\n    worker.postMessage(null);\n  });\n}\nvar SMAAImageGenerator = class {\n  constructor() {\n    this.disableCache = false;\n  }\n  generate() {\n    const useCache = !this.disableCache && window.localStorage !== void 0;\n    const cachedURLs = useCache ? [\n      localStorage.getItem(\"smaa-search\"),\n      localStorage.getItem(\"smaa-area\")\n    ] : [null, null];\n    const promise = cachedURLs[0] !== null && cachedURLs[1] !== null ? Promise.resolve(cachedURLs) : generate(useCache);\n    return promise.then((urls) => {\n      return new Promise((resolve, reject) => {\n        const searchImage = new Image();\n        const areaImage = new Image();\n        const manager = new LoadingManager();\n        manager.onLoad = () => resolve([searchImage, areaImage]);\n        manager.onError = reject;\n        searchImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-search\"));\n        areaImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-area\"));\n        searchImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-search\"));\n        areaImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-area\"));\n        manager.itemStart(\"smaa-search\");\n        manager.itemStart(\"smaa-area\");\n        searchImage.src = urls[0];\n        areaImage.src = urls[1];\n      });\n    });\n  }\n};\n\n// src/images/smaa/SMAASearchImageData.js\nvar edges = new Map([\n  [bilinear(0, 0, 0, 0), new Float32Array([0, 0, 0, 0])],\n  [bilinear(0, 0, 0, 1), new Float32Array([0, 0, 0, 1])],\n  [bilinear(0, 0, 1, 0), new Float32Array([0, 0, 1, 0])],\n  [bilinear(0, 0, 1, 1), new Float32Array([0, 0, 1, 1])],\n  [bilinear(0, 1, 0, 0), new Float32Array([0, 1, 0, 0])],\n  [bilinear(0, 1, 0, 1), new Float32Array([0, 1, 0, 1])],\n  [bilinear(0, 1, 1, 0), new Float32Array([0, 1, 1, 0])],\n  [bilinear(0, 1, 1, 1), new Float32Array([0, 1, 1, 1])],\n  [bilinear(1, 0, 0, 0), new Float32Array([1, 0, 0, 0])],\n  [bilinear(1, 0, 0, 1), new Float32Array([1, 0, 0, 1])],\n  [bilinear(1, 0, 1, 0), new Float32Array([1, 0, 1, 0])],\n  [bilinear(1, 0, 1, 1), new Float32Array([1, 0, 1, 1])],\n  [bilinear(1, 1, 0, 0), new Float32Array([1, 1, 0, 0])],\n  [bilinear(1, 1, 0, 1), new Float32Array([1, 1, 0, 1])],\n  [bilinear(1, 1, 1, 0), new Float32Array([1, 1, 1, 0])],\n  [bilinear(1, 1, 1, 1), new Float32Array([1, 1, 1, 1])]\n]);\nfunction lerp2(a, b, p) {\n  return a + (b - a) * p;\n}\nfunction bilinear(e0, e1, e2, e3) {\n  const a = lerp2(e0, e1, 1 - 0.25);\n  const b = lerp2(e2, e3, 1 - 0.25);\n  return lerp2(a, b, 1 - 0.125);\n}\nfunction deltaLeft(left, top) {\n  let d = 0;\n  if (top[3] === 1) {\n    d += 1;\n  }\n  if (d === 1 && top[2] === 1 && left[1] !== 1 && left[3] !== 1) {\n    d += 1;\n  }\n  return d;\n}\nfunction deltaRight(left, top) {\n  let d = 0;\n  if (top[3] === 1 && left[1] !== 1 && left[3] !== 1) {\n    d += 1;\n  }\n  if (d === 1 && top[2] === 1 && left[0] !== 1 && left[2] !== 1) {\n    d += 1;\n  }\n  return d;\n}\nvar SMAASearchImageData = class {\n  static generate() {\n    const width = 66;\n    const height = 33;\n    const halfWidth = width / 2;\n    const croppedWidth = 64;\n    const croppedHeight = 16;\n    const data = new Uint8ClampedArray(width * height);\n    const croppedData = new Uint8ClampedArray(croppedWidth * croppedHeight * 4);\n    for (let y = 0; y < height; ++y) {\n      for (let x = 0; x < width; ++x) {\n        const s = 0.03125 * x;\n        const t = 0.03125 * y;\n        if (edges.has(s) && edges.has(t)) {\n          const e1 = edges.get(s);\n          const e2 = edges.get(t);\n          const i = y * width + x;\n          data[i] = 127 * deltaLeft(e1, e2);\n          data[i + halfWidth] = 127 * deltaRight(e1, e2);\n        }\n      }\n    }\n    for (let i = 0, y = height - croppedHeight; y < height; ++y) {\n      for (let x = 0; x < croppedWidth; ++x, i += 4) {\n        croppedData[i] = data[y * width + x];\n        croppedData[i + 3] = 255;\n      }\n    }\n    return new RawImageData(croppedWidth, croppedHeight, croppedData);\n  }\n};\n\n// src/loaders/LUT3dlLoader.js\nimport { FileLoader, Loader, LoadingManager as LoadingManager2, sRGBEncoding as sRGBEncoding4 } from \"three\";\nvar LUT3dlLoader = class extends Loader {\n  load(url, onLoad = () => {\n  }, onProgress = () => {\n  }, onError = null) {\n    const externalManager = this.manager;\n    const internalManager = new LoadingManager2();\n    const loader = new FileLoader(internalManager);\n    loader.setPath(this.path);\n    loader.setResponseType(\"text\");\n    return new Promise((resolve, reject) => {\n      internalManager.onError = (url2) => {\n        externalManager.itemError(url2);\n        if (onError !== null) {\n          onError(`Failed to load ${url2}`);\n          resolve();\n        } else {\n          reject(`Failed to load ${url2}`);\n        }\n      };\n      externalManager.itemStart(url);\n      loader.load(url, (data) => {\n        try {\n          const result = this.parse(data);\n          externalManager.itemEnd(url);\n          onLoad(result);\n          resolve(result);\n        } catch (e) {\n          console.error(e);\n          internalManager.onError(url);\n        }\n      }, onProgress);\n    });\n  }\n  parse(input) {\n    const regExpGridInfo = /^[\\d ]+$/m;\n    const regExpDataPoints = /^([\\d.]+) +([\\d.]+) +([\\d.]+) *$/gm;\n    let result = regExpGridInfo.exec(input);\n    if (result === null) {\n      throw new Error(\"Missing grid information\");\n    }\n    const gridLines = result[0].trim().split(/\\s+/g).map((n) => Number(n));\n    const gridStep = gridLines[1] - gridLines[0];\n    const size = gridLines.length;\n    for (let i = 1, l = gridLines.length; i < l; ++i) {\n      if (gridStep !== gridLines[i] - gridLines[i - 1]) {\n        throw new Error(\"Inconsistent grid size\");\n      }\n    }\n    const data = new Float32Array(size ** 3 * 3);\n    let maxValue = 0;\n    let index = 0;\n    while ((result = regExpDataPoints.exec(input)) !== null) {\n      const r = Number(result[1]);\n      const g = Number(result[2]);\n      const b = Number(result[3]);\n      maxValue = Math.max(maxValue, r, g, b);\n      const bLayer = index % size;\n      const gLayer = Math.floor(index / size) % size;\n      const rLayer = Math.floor(index / (size * size)) % size;\n      const d3 = (bLayer * size * size + gLayer * size + rLayer) * 3;\n      data[d3 + 0] = r;\n      data[d3 + 1] = g;\n      data[d3 + 2] = b;\n      ++index;\n    }\n    const bits = Math.ceil(Math.log2(maxValue));\n    const maxBitValue = Math.pow(2, bits);\n    for (let i = 0, l = data.length; i < l; ++i) {\n      data[i] /= maxBitValue;\n    }\n    const lut = new LookupTexture3D(data, size, size, size);\n    lut.encoding = sRGBEncoding4;\n    return lut;\n  }\n};\n\n// src/loaders/LUTCubeLoader.js\nimport { FileLoader as FileLoader2, Loader as Loader2, LoadingManager as LoadingManager3, sRGBEncoding as sRGBEncoding5, Vector3 as Vector36 } from \"three\";\nvar LUTCubeLoader = class extends Loader2 {\n  load(url, onLoad = () => {\n  }, onProgress = () => {\n  }, onError = null) {\n    const externalManager = this.manager;\n    const internalManager = new LoadingManager3();\n    const loader = new FileLoader2(internalManager);\n    loader.setPath(this.path);\n    loader.setResponseType(\"text\");\n    return new Promise((resolve, reject) => {\n      internalManager.onError = (url2) => {\n        externalManager.itemError(url2);\n        if (onError !== null) {\n          onError(`Failed to load ${url2}`);\n          resolve();\n        } else {\n          reject(`Failed to load ${url2}`);\n        }\n      };\n      externalManager.itemStart(url);\n      loader.load(url, (data) => {\n        try {\n          const result = this.parse(data);\n          externalManager.itemEnd(url);\n          onLoad(result);\n          resolve(result);\n        } catch (e) {\n          console.error(e);\n          internalManager.onError(url);\n        }\n      }, onProgress);\n    });\n  }\n  parse(input) {\n    const regExpTitle = /TITLE +\"([^\"]*)\"/;\n    const regExpSize = /LUT_3D_SIZE +(\\d+)/;\n    const regExpDomainMin = /DOMAIN_MIN +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n    const regExpDomainMax = /DOMAIN_MAX +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n    const regExpDataPoints = /^([\\d.]+) +([\\d.]+) +([\\d.]+) *$/gm;\n    let result = regExpTitle.exec(input);\n    const title = result !== null ? result[1] : null;\n    result = regExpSize.exec(input);\n    if (result === null) {\n      throw new Error(\"Missing LUT_3D_SIZE information\");\n    }\n    const size = Number(result[1]);\n    const data = new Float32Array(size ** 3 * 3);\n    const domainMin = new Vector36(0, 0, 0);\n    const domainMax = new Vector36(1, 1, 1);\n    result = regExpDomainMin.exec(input);\n    if (result !== null) {\n      domainMin.set(Number(result[1]), Number(result[2]), Number(result[3]));\n    }\n    result = regExpDomainMax.exec(input);\n    if (result !== null) {\n      domainMax.set(Number(result[1]), Number(result[2]), Number(result[3]));\n    }\n    if (domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z) {\n      domainMin.set(0, 0, 0);\n      domainMax.set(1, 1, 1);\n      throw new Error(\"Invalid input domain\");\n    }\n    let i = 0;\n    while ((result = regExpDataPoints.exec(input)) !== null) {\n      data[i++] = Number(result[1]);\n      data[i++] = Number(result[2]);\n      data[i++] = Number(result[3]);\n    }\n    const lut = new LookupTexture3D(data, size, size, size);\n    lut.encoding = sRGBEncoding5;\n    lut.domainMin.copy(domainMin);\n    lut.domainMax.copy(domainMax);\n    if (title !== null) {\n      lut.name = title;\n    }\n    return lut;\n  }\n};\n\n// src/loaders/SMAAImageLoader.js\nimport { Loader as Loader3, LoadingManager as LoadingManager4 } from \"three\";\nvar SMAAImageLoader = class extends Loader3 {\n  load(onLoad = () => {\n  }, onError = null) {\n    if (arguments.length === 4) {\n      onLoad = arguments[1];\n      onError = arguments[3];\n    } else if (arguments.length === 3 || typeof arguments[0] !== \"function\") {\n      onLoad = arguments[1];\n      onError = null;\n    }\n    const externalManager = this.manager;\n    const internalManager = new LoadingManager4();\n    return new Promise((resolve, reject) => {\n      const searchImage = new Image();\n      const areaImage = new Image();\n      internalManager.onError = (url) => {\n        externalManager.itemError(url);\n        if (onError !== null) {\n          onError(`Failed to load ${url}`);\n          resolve();\n        } else {\n          reject(`Failed to load ${url}`);\n        }\n      };\n      internalManager.onLoad = () => {\n        const result = [searchImage, areaImage];\n        onLoad(result);\n        resolve(result);\n      };\n      searchImage.addEventListener(\"error\", (e) => {\n        internalManager.itemError(\"smaa-search\");\n      });\n      areaImage.addEventListener(\"error\", (e) => {\n        internalManager.itemError(\"smaa-area\");\n      });\n      searchImage.addEventListener(\"load\", () => {\n        externalManager.itemEnd(\"smaa-search\");\n        internalManager.itemEnd(\"smaa-search\");\n      });\n      areaImage.addEventListener(\"load\", () => {\n        externalManager.itemEnd(\"smaa-area\");\n        internalManager.itemEnd(\"smaa-area\");\n      });\n      externalManager.itemStart(\"smaa-search\");\n      externalManager.itemStart(\"smaa-area\");\n      internalManager.itemStart(\"smaa-search\");\n      internalManager.itemStart(\"smaa-area\");\n      searchImage.src = searchImageDataURL_default;\n      areaImage.src = areaImageDataURL_default;\n    });\n  }\n};\nexport {\n  AdaptiveLuminanceMaterial,\n  AdaptiveLuminancePass,\n  BlendFunction,\n  BlendMode,\n  BloomEffect,\n  BlurPass,\n  BokehEffect,\n  BokehMaterial,\n  BrightnessContrastEffect,\n  ChromaticAberrationEffect,\n  CircleOfConfusionMaterial,\n  ClearMaskPass,\n  ClearPass,\n  ColorAverageEffect,\n  ColorChannel,\n  ColorDepthEffect,\n  ColorEdgesMaterial,\n  ConvolutionMaterial,\n  CopyMaterial,\n  DepthComparisonMaterial,\n  DepthCopyMaterial,\n  DepthCopyMode,\n  DepthDownsamplingMaterial,\n  DepthDownsamplingPass,\n  DepthEffect,\n  DepthMaskMaterial,\n  DepthOfFieldEffect,\n  DepthPass,\n  DepthPickingPass,\n  DepthSavePass,\n  Disposable,\n  DotScreenEffect,\n  EdgeDetectionMaterial,\n  EdgeDetectionMode,\n  Effect,\n  EffectAttribute,\n  EffectComposer,\n  EffectMaterial,\n  EffectPass,\n  GammaCorrectionEffect,\n  GlitchEffect,\n  GlitchMode,\n  GodRaysEffect,\n  GodRaysMaterial,\n  GridEffect,\n  HueSaturationEffect,\n  Initializable,\n  KernelSize,\n  LUT3dlLoader,\n  LUTCubeLoader,\n  LUTEffect,\n  LUTOperation,\n  LambdaPass,\n  LookupTexture3D,\n  LuminanceMaterial,\n  LuminancePass,\n  MaskFunction,\n  MaskMaterial,\n  MaskPass,\n  NoiseEffect,\n  NoiseTexture,\n  NormalPass,\n  OutlineEdgesMaterial,\n  OutlineEffect,\n  OutlineMaterial,\n  OverrideMaterialManager,\n  Pass,\n  PixelationEffect,\n  PredicationMode,\n  RawImageData,\n  RealisticBokehEffect,\n  RenderPass,\n  Resizable,\n  Resizer,\n  SMAAAreaImageData,\n  SMAAEffect,\n  SMAAImageGenerator,\n  SMAAImageLoader,\n  SMAAPreset,\n  SMAASearchImageData,\n  SMAAWeightsMaterial,\n  SSAOEffect,\n  SSAOMaterial,\n  SavePass,\n  ScanlineEffect,\n  Section,\n  Selection,\n  SelectiveBloomEffect,\n  SepiaEffect,\n  ShaderPass,\n  ShockWaveEffect,\n  TetrahedralUpscaler,\n  TextureEffect,\n  ToneMappingEffect,\n  ToneMappingMode,\n  VignetteEffect,\n  WebGLExtension\n};\n", "import { getScaleFactor } from './Scale';\n\n/**\n * @ignore\n */\nexport function getOrbitShaderFragment() {\n  return `\n    varying vec3 vColor;\n    uniform sampler2D texture;\n\n    void main() {\n      gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord);\n    }\n  `;\n}\n\n/**\n * @ignore\n */\nexport function getOrbitShaderVertex() {\n  return `\n    attribute vec3 fuzzColor;\n    attribute vec3 origin;\n    varying vec3 vColor;\n\n    attribute float size;\n\n    attribute float a;\n    attribute float e;\n    attribute float i;\n    attribute float om;\n    attribute float wBar;\n    attribute float M;\n\n    // Perihelion distance\n    attribute float q;\n\n    // CPU-computed term for parabolic orbits\n    attribute float a0;\n\n    // COSH Function (Hyperbolic Cosine)\n    float cosh(float val) {\n      float tmp = exp(val);\n      float cosH = (tmp + 1.0 / tmp) / 2.0;\n      return cosH;\n    }\n\n    // TANH Function (Hyperbolic Tangent)\n    float tanh(float val) {\n      float tmp = exp(val);\n      float tanH = (tmp - 1.0 / tmp) / (tmp + 1.0 / tmp);\n      return tanH;\n    }\n\n    // SINH Function (Hyperbolic Sine)\n    float sinh(float val) {\n      float tmp = exp(val);\n      float sinH = (tmp - 1.0 / tmp) / 2.0;\n      return sinH;\n    }\n\n    // Cube root helper that assumes param is positive\n    float cbrt(float x) {\n      return exp(log(x) / 3.0);\n    }\n\n    vec3 getPosNearParabolic() {\n      // See https://stjarnhimlen.se/comp/ppcomp.html#17\n      float b = sqrt(1.0 + a0 * a0);\n      float W = cbrt(b + a0) - cbrt(b - a0);\n      float f = (1.0 - e) / (1.0 + e);\n\n      float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n      float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n      float a3 =\n        W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n      float C = (W * W) / (1.0 + W * W);\n      float g = f * C * C;\n      float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n      // True anomaly\n      float v = 2.0 * atan(w);\n      // Heliocentric distance\n      float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n      // Compute heliocentric coords.\n      float i_rad = i;\n      float o_rad = om;\n      float p_rad = wBar;\n      float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n      return vec3(X, Y, Z);\n    }\n\n    vec3 getPosHyperbolic() {\n      float F0 = M;\n      for (int count = 0; count < 100; count++) {\n        float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n        float lastdiff = abs(F1 - F0);\n        F0 = F1;\n\n        if (lastdiff < 0.0000001) {\n          break;\n        }\n      }\n      float F = F0;\n\n      float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n      float r = ${getScaleFactor().toFixed(\n        1,\n      )} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n      // Compute heliocentric coords.\n      float i_rad = i;\n      float o_rad = om;\n      float p_rad = wBar;\n      float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n      return vec3(X, Y, Z);\n    }\n\n    vec3 getPosEllipsoid() {\n      float i_rad = i;\n      float o_rad = om;\n      float p_rad = wBar;\n\n      // Estimate eccentric and true anom using iterative approximation (this\n      // is normally an intergral).\n      float E0 = M;\n      float E1 = M + e * sin(E0);\n      float lastdiff = abs(E1-E0);\n      E0 = E1;\n\n      for (int count = 0; count < 100; count++) {\n        E1 = M + e * sin(E0);\n        lastdiff = abs(E1-E0);\n        E0 = E1;\n        if (lastdiff < 0.0000001) {\n          break;\n        }\n      }\n\n      float E = E0;\n      float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n      // Compute radius vector.\n      float r = ${getScaleFactor().toFixed(\n        1,\n      )} * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n      // Compute heliocentric coords.\n      float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n      float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n      return vec3(X, Y, Z);\n    }\n\n    vec3 getPos() {\n      if (e > 0.9 && e < 1.2) {\n        return getPosNearParabolic();\n      } else if (e > 1.2) {\n        return getPosHyperbolic();\n      }\n      return getPosEllipsoid();\n    }\n\n    void main() {\n      vColor = fuzzColor;\n\n      vec3 newpos = getPos() + origin;\n      vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n      gl_Position = projectionMatrix * mvPosition;\n      gl_PointSize = size;\n    }\n  `;\n}\n\nexport const STAR_SHADER_FRAGMENT = `\n    varying vec3 vColor;\n\n    void main() {\n      float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n      gl_FragColor = vec4(vColor, a);\n    }\n`;\n\nexport const STAR_SHADER_VERTEX = `\n    attribute float size;\n    varying vec3 vColor;\n\n    void main() {\n        vColor = color;\n        vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n        gl_PointSize = size;\n        gl_Position = projectionMatrix * mvPosition;\n    }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_VERTEX = `\n    attribute float size;\n    attribute vec3 customColor;\n    varying vec3 vColor;\n    void main() {\n      vColor = customColor;\n      vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n      gl_PointSize = size * (300.0 / -mvPosition.z);\n      gl_Position = projectionMatrix * mvPosition;\n    }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_FRAGMENT = `\n    uniform vec3 color;\n    uniform sampler2D texture;\n    varying vec3 vColor;\n    void main() {\n      gl_FragColor = vec4(color * vColor, 1.0);\n      gl_FragColor = gl_FragColor * texture2D(texture, gl_PointCoord);\n      if (gl_FragColor.a < ALPHATEST) discard;\n    }\n`;\n\nexport const ATMOSPHERE_SHADER_VERTEX = `\n  uniform vec3 lightPos;\n\n  varying vec2 vUv;\n  varying vec3 vecPos;\n  varying vec3 vecNormal;\n  //varying vec3 vNormal;\n\n  varying vec3 vViewLightPos;\n\n  void main() {\n    //vNormal = normalize(normalMatrix * normal);\n    //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n    vUv = uv;\n    // Since the light is in camera coordinates,\n    // I'll need the vertex position in camera coords too\n    vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n    // That's NOT exacly how you should transform your\n    // normals but this will work fine, since my model\n    // matrix is pretty basic\n    vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n    vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n    gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n  }\n`;\n\n// With help from https://stackoverflow.com/questions/43621274/how-to-correctly-set-lighting-for-custom-shader-material\nexport const ATMOSPHERE_SHADER_FRAGMENT = `\n  uniform float c;\n  uniform float p;\n  uniform vec3 color;\n\n  varying vec2 vUv;\n  varying vec3 vecPos;\n  varying vec3 vecNormal;\n  varying vec3  vViewLightPos;\n\n  void main() {\n    float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n    vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n    vec3 lightDirection = normalize(vecPos - vViewLightPos);\n    addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n                       * 1.0 /* intensity */;\n                       // * pointLights[i].color\n\n    gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n  }\n`;\n\nexport const SPHERE_SHADER_VERTEX = `\n  uniform vec3 lightPos;\n\n  varying vec2 vUv;\n  varying vec3 vViewPosition;\n  varying vec3 vViewLightPos;\n  varying vec3 vNormal;\n\n  void main() {\n    vUv = uv;\n    vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n    vViewPosition = vViewPosition4.xyz;\n    vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n    vNormal = normalMatrix * normal;\n\n    gl_Position = projectionMatrix * vViewPosition4;\n  }\n`;\n\nexport const SPHERE_SHADER_FRAGMENT = `\n  uniform sampler2D sphereTexture;\n\n  varying vec2 vUv;\n  varying vec3 vNormal;\n  varying vec3 vViewPosition;\n  varying vec3 vViewLightPos;\n\n  void main() {\n    vec3 normal = normalize(vNormal);\n    vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n    float lambertian = max(dot(normal, lightDir), 0.0);\n    gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n  }\n`;\n\nexport const RING_SHADER_VERTEX = `\n  varying vec3 vPos;\n  varying vec3 vWorldPosition;\n  varying vec3 vNormal;\n\n  void main() {\n    vPos = position;\n    vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n    gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n    vNormal = normalMatrix * normal;\n    vWorldPosition = worldPosition.xyz;\n  }\n`;\n\nexport const RING_SHADER_FRAGMENT = `\n  uniform sampler2D ringTexture;\n  uniform float innerRadius;\n  uniform float outerRadius;\n  uniform vec3 lightPos;\n\n  varying vec3 vNormal;\n  varying vec3 vPos;\n  varying vec3 vWorldPosition;\n\n  vec4 color() {\n    vec2 uv = vec2(0);\n    uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n    if (uv.x < 0.0 || uv.x > 1.0) {\n      discard;\n    }\n\n    vec4 pixel = texture2D(ringTexture, uv);\n    return pixel;\n  }\n\n  vec3 shadow() {\n    vec3 lightDir = normalize(vPos - lightPos);\n    vec3 planetPos = vec3(0);\n\n    vec3 ringPos = vPos - planetPos;\n    float posDotLightDir = dot(ringPos, lightDir);\n    float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n    // TODO(ian): Generalize this line.\n    float radius = 0.0389259903; // radius of saturn in coordinate system\n    float radius2 = radius * radius;\n\n    if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n      return vec3(0.0);\n    }\n    return vec3(1.0);\n  }\n\n  vec3 lights() {\n    vec3 lightDirection = normalize(vWorldPosition - lightPos);\n    float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n    return vec3(c);\n  }\n\n  void main() {\n    // NOTE: The order of multiplication matters here. color() may call\n    // discard, which would cause problems on some Windows graphics drivers if\n    // it is a left operand.\n    // https://github.com/typpo/spacekit/issues/22\n    gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n  }\n`;\n", "import * as THREE from 'three';\n\nimport { getThreeJsTexture } from './util';\n\nimport { Coordinate3d } from './Coordinates';\nimport { getOrbitShaderVertex, getOrbitShaderFragment } from './shaders';\nimport { Orbit, OrbitType } from './Orbit';\n\nimport type { Ephem } from './Ephem';\nimport type { Simulation, SimulationContext } from './Simulation';\n\ninterface BaseKeplerParticleOptions {\n  color?: number;\n  textureUrl?: string;\n  basePath?: string;\n  jd?: number;\n  maxNumParticles?: number;\n}\n\n// TODO(ian): Clean this up - we probably don't need a separate type.\ntype KeplerParticlesOptions = BaseKeplerParticleOptions & {\n  defaultSize?: number;\n};\n\ntype KeplerParticleOptions = BaseKeplerParticleOptions & {\n  particleSize?: number;\n};\n\ninterface ShaderAttributes {\n  size: THREE.BufferAttribute;\n  origin: THREE.BufferAttribute;\n  position: THREE.BufferAttribute;\n  fuzzColor: THREE.BufferAttribute;\n  a: THREE.BufferAttribute;\n  e: THREE.BufferAttribute;\n  i: THREE.BufferAttribute;\n  om: THREE.BufferAttribute;\n  ma: THREE.BufferAttribute;\n  n: THREE.BufferAttribute;\n  w: THREE.BufferAttribute;\n  wBar: THREE.BufferAttribute;\n  q: THREE.BufferAttribute;\n  M: THREE.BufferAttribute;\n  a0: THREE.BufferAttribute;\n}\n\nconst DEFAULT_PARTICLE_COUNT = 4096;\n\n/**\n * Compute mean anomaly at date.  Used for elliptical and hyperbolic orbits.\n */\nfunction getM(ephem: Ephem, jd: number): number {\n  const d = jd - ephem.get('epoch');\n  return ephem.get('ma') + ephem.get('n') * d;\n}\n\nconst PARABOLIC_K = 0.01720209895;\nfunction getA0(ephem: Ephem, jd: number): number {\n  const tp = ephem.get('tp');\n  const e = ephem.get('e');\n  const q = ephem.get('q');\n  const d = jd - tp;\n  return 0.75 * d * PARABOLIC_K * Math.sqrt((1 + e) / (q * q * q));\n}\n\n/**\n * An efficient way to render many objects in space with Kepler orbits.\n * Primarily used by Simulation to render all non-static objects.\n * @see Simulation\n */\nexport class KeplerParticles {\n  static instanceCount: number;\n\n  private id: string;\n\n  private options: KeplerParticlesOptions;\n\n  private simulation: Simulation;\n\n  private context: SimulationContext;\n\n  private addedToScene: boolean;\n\n  private particleCount: number;\n\n  private elements: Ephem[];\n\n  private uniforms: {\n    texture: { value: THREE.Texture };\n  };\n\n  private geometry: THREE.BufferGeometry;\n\n  private shaderMaterial: THREE.ShaderMaterial;\n\n  private particleSystem: THREE.Points;\n\n  private attributes: ShaderAttributes;\n\n  /**\n   * @param {Object} options Options container\n   * @param {Object} options.textureUrl Template url for sprite\n   * @param {Object} options.basePath Base path for simulation supporting files\n   * @param {Number} options.jd JD date value\n   * @param {Number} options.maxNumParticles Maximum number of particles to display. Defaults to 4096\n   * @param {Number} options.defaultSize Default size of particles. Note this\n   * can be overriden by SpaceObject particleSize. Defaults to 25\n   * @param {Object} contextOrSimulation Simulation context or object\n   */\n  constructor(\n    options: KeplerParticlesOptions,\n    contextOrSimulation: Simulation,\n  ) {\n    this.options = options;\n\n    this.id = `KeplerParticles__${KeplerParticles.instanceCount}`;\n\n    this.simulation = contextOrSimulation;\n    this.context = contextOrSimulation.getContext();\n\n    // Whether Points object has been added to the Simulation/Scene. This\n    // happens lazily when the first data point is added in order to prevent\n    // WebGL render warnings.\n    this.addedToScene = false;\n\n    // Number of particles in the scene.\n    this.particleCount = 0;\n\n    if (!this.options.textureUrl) {\n      throw new Error('ParticleSystem requires textureUrl to be set');\n    }\n\n    const defaultMapTexture = getThreeJsTexture(\n      this.options.textureUrl,\n      this.context.options.basePath,\n    );\n\n    this.uniforms = {\n      texture: { value: defaultMapTexture },\n    };\n\n    const particleCount =\n      this.options.maxNumParticles || DEFAULT_PARTICLE_COUNT;\n    this.elements = [];\n    this.attributes = {\n      size: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      origin: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3),\n      position: new THREE.BufferAttribute(\n        new Float32Array(particleCount * 3),\n        3,\n      ),\n      fuzzColor: new THREE.BufferAttribute(\n        new Float32Array(particleCount * 3),\n        3,\n      ),\n\n      a: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      e: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      i: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      om: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      ma: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      n: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      w: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      wBar: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      q: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n\n      M: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n      a0: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n    };\n    this.attributes.M.setUsage(THREE.DynamicDrawUsage);\n    this.attributes.a0.setUsage(THREE.DynamicDrawUsage);\n\n    const geometry = new THREE.BufferGeometry();\n    geometry.setDrawRange(0, 0);\n    Object.keys(this.attributes).forEach((attributeName) => {\n      const attribute =\n        this.attributes[attributeName as keyof ShaderAttributes];\n      geometry.setAttribute(attributeName, attribute);\n    });\n\n    const shader = new THREE.ShaderMaterial({\n      uniforms: this.uniforms,\n      vertexShader: getOrbitShaderVertex(),\n      fragmentShader: getOrbitShaderFragment(),\n\n      depthTest: true,\n      depthWrite: false,\n      transparent: true,\n    });\n\n    this.shaderMaterial = shader;\n    this.geometry = geometry;\n    this.particleSystem = new THREE.Points(geometry, shader);\n\n    if (this.get3jsObjects() && this.get3jsObjects()[0]) {\n      this.get3jsObjects()[0].frustumCulled = false;\n    }\n  }\n\n  /**\n   * Add a particle to this particle system.\n   * @param {Ephem} ephem Kepler ephemeris\n   * @param {Object} options Options container\n   * @param {Number} options.particleSize Size of particles\n   * @param {Number} options.color Color of particles\n   * @return {Number} The index of this article in the attribute list.\n   */\n  addParticle(ephem: Ephem, options: KeplerParticleOptions = {}): number {\n    this.elements.push(ephem);\n    const attributes = this.attributes;\n    const offset = this.particleCount++;\n\n    attributes.size.set(\n      [options.particleSize || this.options.defaultSize || 15],\n      offset,\n    );\n    const color = new THREE.Color(options.color || 0xffffff);\n    attributes.fuzzColor.set([color.r, color.g, color.b], offset * 3);\n\n    attributes.origin.set([0, 0, 0], offset * 3);\n\n    attributes.a.set([ephem.get('a')], offset);\n    attributes.e.set([ephem.get('e')], offset);\n    attributes.i.set([ephem.get('i', 'rad')], offset);\n    attributes.om.set([ephem.get('om', 'rad')], offset);\n    attributes.wBar.set([ephem.get('wBar', 'rad')], offset);\n    attributes.q.set([ephem.get('q')], offset);\n\n    if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n      attributes.a0.set([getA0(ephem, this.options.jd || 0)], offset);\n    } else {\n      attributes.M.set([getM(ephem, this.options.jd || 0)], offset);\n    }\n\n    // TODO(ian): Set the update range\n    for (const attributeKey in attributes) {\n      if (attributes.hasOwnProperty(attributeKey)) {\n        attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n      }\n    }\n    this.geometry.setDrawRange(0, this.particleCount);\n\n    if (!this.addedToScene && this.simulation) {\n      // This happens lazily when the first data point is added in order to\n      // prevent WebGL render warnings.\n      this.simulation.addObject(this);\n      this.addedToScene = true;\n    }\n\n    return offset;\n  }\n\n  /**\n   * Hides the particle at the given offset so it is no longer drawn. The particle still takes up space in the array\n   * though.\n   * @param offset\n   */\n  hideParticle(offset: number) {\n    const attributes = this.attributes;\n    attributes.size.set([0], offset);\n\n    for (const attributeKey in attributes) {\n      if (attributes.hasOwnProperty(attributeKey)) {\n        attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n      }\n    }\n  }\n\n  /**\n   * Change the `origin` attribute of a particle.\n   * @param {Number} offset The location of this particle in the attributes * array.\n   * @param {Array.<Number>} newOrigin The new XYZ coordinates of the body that this particle orbits.\n   */\n  setParticleOrigin(offset: number, newOrigin: Coordinate3d) {\n    this.attributes.origin.set(newOrigin, offset * 3);\n    this.attributes.origin.needsUpdate = true;\n  }\n\n  /**\n   * Update the position for all particles\n   * @param {Number} jd JD date\n   */\n  update(jd: number) {\n    const Ms: number[] = [];\n    const a0s: number[] = [];\n    for (let i = 0; i < this.elements.length; i++) {\n      const ephem = this.elements[i];\n\n      let M, a0;\n      if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n        a0 = getA0(ephem, jd);\n        M = 0;\n      } else {\n        a0 = 0;\n        M = getM(ephem, jd);\n      }\n\n      Ms.push(M);\n      a0s.push(a0);\n    }\n\n    this.attributes.M.set(Ms);\n    this.attributes.M.needsUpdate = true;\n\n    this.attributes.a0.set(a0s);\n    this.attributes.a0.needsUpdate = true;\n  }\n\n  /**\n   * Get THREE.js objects that comprise this point cloud\n   * @return {Array.<THREE.Object3D>} List of objects to add to THREE.js scene\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    return [this.particleSystem];\n  }\n\n  /**\n   * Get unique id for this object.\n   * @return {String} Unique id\n   */\n  getId(): string {\n    return this.id;\n  }\n}\n\nKeplerParticles.instanceCount = 0;\n", "import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n//\n\nclass OBJLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.materials = null;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet line = '', lineFirstChar = '';\n\t\tlet lineLength = 0;\n\t\tlet result = [];\n\n\t\t// Faster to just trim left side of the line. Use if available.\n\t\tconst trimLeft = ( typeof ''.trimLeft === 'function' );\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tline = lines[ i ];\n\n\t\t\tline = trimLeft ? line.trimLeft() : line.trim();\n\n\t\t\tlineLength = line.length;\n\n\t\t\tif ( lineLength === 0 ) continue;\n\n\t\t\tlineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue;\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( /\\s+/ );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\tstate.colors.push(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] )\n\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( /\\s+/ );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].substr( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].substr( 1 ).trim() ).substr( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t * or\n\t\t\t\t\t * http://www.cs.utah.edu/~boulos/cs3505/obj_spec.pdf\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n", "import * as THREE from 'three';\n\nimport type { PerspectiveCamera } from 'three';\n\nimport { EphemPresets } from './EphemPresets';\nimport { Orbit } from './Orbit';\nimport { getFullTextureUrl } from './util';\nimport { rescaleArray, rescaleNumber } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Ephem } from './Ephem';\nimport type { EphemerisTable } from './EphemerisTable';\nimport type {\n  Simulation,\n  SimulationContext,\n  SimulationObject,\n} from './Simulation';\n\nexport interface SpaceObjectOptions {\n  position?: Coordinate3d;\n  scale?: [number, number, number];\n  particleSize?: number;\n  labelText?: string;\n  labelUrl?: string;\n  hideOrbit?: boolean;\n  axialTilt?: number;\n  color?: number;\n  radius?: number;\n  levelsOfDetail?: { radii: number; segments: number }[];\n  atmosphere?: {\n    color?: number;\n    innerSizeRatio?: number;\n    outerSizeRatio?: number;\n    enable?: boolean;\n  };\n  orbitPathSettings?: {\n    leadDurationYears?: number;\n    trailDurationYears?: number;\n    numberSamplePoints?: number;\n  };\n  ephem?: Ephem;\n  ephemTable?: EphemerisTable;\n  textureUrl?: string;\n  basePath?: string;\n  rotation?: {\n    enable: boolean;\n    period: number;\n    speed?: number;\n    lambdaDeg?: number;\n    betaDeg?: number;\n    yorp?: number;\n    phi0?: number;\n    jd0?: number;\n  };\n  shape?: {\n    shapeUrl?: string;\n    color?: number;\n  };\n  ecliptic?: {\n    lineColor?: number;\n    displayLines?: boolean;\n  };\n  theme?: {\n    color?: number;\n    orbitColor?: number;\n  };\n  debug?: {\n    showAxes: boolean;\n    showGrid: boolean;\n  };\n}\n\n/**\n * @private\n * Minimum number of degrees per day an object must move in order for its\n * position to be updated in the visualization.\n */\n// const MIN_DEG_MOVE_PER_DAY: number = 0.05;\n\n/**\n * @private\n * Number of milliseconds between label position updates.\n */\nconst LABEL_UPDATE_MS: number = 30;\n\n/**\n * @private\n * Converts [X, Y, Z] position in visualization to pixel coordinates.\n */\nfunction toScreenXY(\n  position: Coordinate3d,\n  camera: PerspectiveCamera,\n  canvas: HTMLCanvasElement,\n): { x: number; y: number } {\n  const pos = new THREE.Vector3(position[0], position[1], position[2]);\n  pos.project(camera);\n  return {\n    x: ((pos.x + 1) * canvas.clientWidth) / 2,\n    y: ((-pos.y + 1) * canvas.clientHeight) / 2,\n  };\n}\n\n/**\n * An object that can be added to a visualization.\n * @example\n * ```\n * const myObject = viz.addObject('planet1', {\n *   position: [0, 0, 0],\n *   scale: [1, 1, 1],\n *   particleSize: 5,\n *   labelText: 'My object',\n *   labelUrl: 'http://...',\n *   hideOrbit: false,\n *   ephem: new Spacekit.Ephem({...}),\n *   textureUrl: '/path/to/spriteTexture.png',\n *   basePath: '/base',\n *   ecliptic: {\n *     lineColor: 0xCCCCCC,\n *     displayLines: false,\n *   },\n *   theme: {\n *     color: 0xFFFFFF,\n *     orbitColor: 0x888888,\n *   },\n * });\n * ```\n */\nexport class SpaceObject implements SimulationObject {\n  protected _id: string;\n\n  protected _options: SpaceObjectOptions;\n\n  protected _simulation: Simulation;\n\n  protected _context: SimulationContext;\n\n  protected _renderMethod?:\n    | 'SPRITE'\n    | 'PARTICLESYSTEM'\n    | 'ROTATING_OBJECT'\n    | 'SPHERE';\n\n  protected _initialized: boolean;\n\n  private _object3js?: THREE.Object3D;\n\n  private _useEphemTable: boolean;\n\n  private _isStaticObject: boolean;\n\n  private _label?: HTMLElement;\n\n  private _showLabel: boolean;\n\n  private _lastLabelUpdate: number;\n\n  // private _lastPositionUpdate: number;\n\n  private _position: Coordinate3d;\n\n  private _orbitAround?: SpaceObject;\n\n  private _scale: [number, number, number];\n\n  private _particleIndex?: number;\n\n  // private _degreesPerDay?: number;\n\n  private _orbitPath?: THREE.Object3D;\n\n  private _eclipticLines?: THREE.Object3D;\n\n  private _orbit?: Orbit;\n\n  /**\n   * @param {String} id Unique id of this object\n   * @param {Object} options Options container\n   * @param {Array.<Number>} options.position [X, Y, Z] heliocentric coordinates of object. Defaults to [0, 0, 0]\n   * @param {Array.<Number>} options.scale Scale of object on each [X, Y, Z] axis. Defaults to [1, 1, 1]\n   * @param {Number} options.particleSize Size of particle if this object is a Kepler object being represented as a particle.\n   * @param {String} options.labelText Text label to display above object (set undefined for no label)\n   * @param {String} options.labelUrl Label becomes a link that goes to this url.\n   * @param {boolean} options.hideOrbit If true, don't show an orbital ellipse. Defaults false.\n   * @param {Object} options.orbitPathSettings Contains settings for defining the orbit path\n   * @param {Object} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n   * @param {Object} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n   * @param {Object} options.orbitPathSettings.numberSamplePoints number of\n   * points to use when drawing the orbit line. Only applicable for\n   * non-elliptical and ephemeris table orbits.\n   * @param {Ephem} options.ephem Ephemerides for this orbit\n   * @param {EphemerisTable} options.ephemTable ephemeris table object which represents look up ephemeris\n   * @param {String} options.textureUrl Texture for sprite\n   * @param {String} options.basePath Base path for simulation assets and data\n   * @param {Object} options.ecliptic Contains settings related to ecliptic\n   * @param {Number} options.ecliptic.lineColor Hex color of lines that run perpendicular to ecliptic. @see Orbit\n   * @param {boolean} options.ecliptic.displayLines Whether to show ecliptic lines. Defaults false.\n   * @param {Object} options.theme Contains settings related to appearance of orbit\n   * @param {Number} options.theme.color Hex color of the object, if applicable\n   * @param {Number} options.theme.orbitColor Hex color of the orbit\n   * @param {Simulation} contextOrSimulation Simulation context or simulation object\n   * @param {boolean} autoInit Automatically initialize this object. If false\n   * you must call init() manually.\n   */\n  constructor(\n    id: string,\n    options: SpaceObjectOptions,\n    simulation: Simulation,\n    autoInit: boolean = true,\n  ) {\n    this._id = id;\n    this._options = options || {};\n    this._object3js = undefined;\n    this._useEphemTable = this._options.ephemTable !== undefined;\n    this._isStaticObject = !this._options.ephem && !this._useEphemTable;\n\n    this._simulation = simulation;\n    this._context = simulation.getContext();\n\n    this._label = undefined;\n    this._showLabel = false;\n    this._lastLabelUpdate = 0;\n    // this._lastPositionUpdate = 0;\n\n    this._position = rescaleArray(this._options.position || [0, 0, 0]);\n    this._orbitAround = undefined;\n    this._scale = this._options.scale || [1, 1, 1];\n\n    // The method of rendering used for this object (e.g. SPRITE, PARTICLESYSTEM).\n    this._renderMethod = undefined;\n\n    // The index of this particle in the KeplerParticles system, if applicable.\n    this._particleIndex = undefined;\n\n    // Number of degrees moved per day. Used to limit the number of orbit\n    // updates for very slow moving objects.\n    /*\n    this._degreesPerDay = this._options.ephem\n      ? this._options.ephem.get('n', 'deg')\n      : undefined;\n    */\n\n    this._initialized = false;\n    if (autoInit && !this.init()) {\n      console.warn(`SpaceObject ${id}: failed to initialize`);\n    }\n  }\n\n  /**\n   * Initializes label and three.js objects. Called automatically unless you've\n   * set autoInit to false in constructor (this init is suppressed by some\n   * child classes).\n   */\n  init(): boolean {\n    this.renderObject();\n\n    if (this._options.labelText) {\n      const labelElt = this.createLabel();\n      this._simulation.getSimulationElement().appendChild(labelElt);\n      this._label = labelElt;\n      this._showLabel = true;\n    }\n\n    /**\n     * Caching of THREE.js objects for orbitPath\n     */\n    this._orbitPath = undefined;\n    this._eclipticLines = undefined;\n\n    this.update(this._simulation.getJd(), true /* force */);\n\n    this._initialized = true;\n    return true;\n  }\n\n  /**\n   * @protected\n   * Used by child classes to set the object that gets its position updated.\n   * @param {THREE.Object3D} obj Any THREE.js object\n   */\n  protected setPositionedObject(obj: THREE.Object3D) {\n    this._object3js = obj;\n  }\n\n  /**\n   * @private\n   * Build the THREE.js object for this SpaceObject.\n   */\n  private renderObject() {\n    if (this.isStaticObject()) {\n      if (!this._renderMethod) {\n        // TODO(ian): It kinda sucks to have SpaceObject care about\n        // renderMethod, which is set by children.\n\n        // Create a stationary sprite.\n        this._object3js = this.createSprite();\n        if (this._simulation) {\n          // Add it all to visualization.\n          this._simulation.addObject(this, false /* noUpdate */);\n        }\n        this._renderMethod = 'SPRITE';\n      }\n    } else {\n      // Create the orbit no matter what - it's used to get current position\n      // for CPU-positioned objects (e.g. child RotatingObjects, SphereObjects,\n      // ShapeObjects).\n      // TODO(ian): Only do this if we need to compute orbit position on the\n      // CPU or display an orbit path.\n      this._orbit = this.createOrbit();\n\n      if (!this._options.hideOrbit && this._simulation) {\n        // Add it all to visualization.\n        this._simulation.addObject(this, false /* noUpdate */);\n      }\n\n      if (this._useEphemTable) {\n        if (!this._renderMethod) {\n          this._object3js = this.createSprite();\n          if (this._simulation) {\n            this._simulation.addObject(this, true);\n          }\n          this._renderMethod = 'SPRITE';\n        }\n      }\n\n      if (!this._renderMethod) {\n        if (!this._options.ephem) {\n          throw new Error(\n            'Attempting to create a particle system, but ephemeris are not available.',\n          );\n        }\n        // Create a particle representing this object on the GPU.\n        this._particleIndex = this._context.objects.particles.addParticle(\n          this._options.ephem,\n          {\n            particleSize: this._options.particleSize,\n            color: this.getColor(),\n          },\n        );\n        this._renderMethod = 'PARTICLESYSTEM';\n      }\n    }\n  }\n\n  /**\n   * @private\n   * Builds the label div and adds it to the visualization\n   * @return {HTMLElement} A div that contains the label for this object\n   */\n  private createLabel(): HTMLElement {\n    const text = document.createElement('div');\n    text.className = 'spacekit__object-label';\n\n    const { labelText, labelUrl } = this._options;\n    if (this._options.labelUrl) {\n      text.innerHTML = `<div><a target=\"_blank\" href=\"${labelUrl}\">${labelText}</a></div>`;\n    } else {\n      text.innerHTML = `<div>${labelText}</div>`;\n    }\n    text.style.fontFamily = 'Arial';\n    text.style.fontSize = '12px';\n    text.style.color = '#fff';\n    text.style.position = 'absolute';\n\n    text.style.backgroundColor = '#0009';\n    text.style.outline = '1px solid #5f5f5f';\n\n    return text;\n  }\n\n  /**\n   * @private\n   * Updates the label's position\n   * @param {Array.Number} newpos Position of the label in the visualization's\n   * coordinate system\n   */\n  private updateLabelPosition(newpos: Coordinate3d) {\n    if (!this._label) {\n      throw new Error('Attempted to update label position without a label');\n    }\n\n    const label = this._label;\n    const simulationElt = this._simulation.getSimulationElement();\n    const pos = toScreenXY(\n      newpos,\n      this._simulation.getViewer().get3jsCamera(),\n      simulationElt,\n    );\n    const loc = {\n      left: pos.x,\n      top: pos.y,\n      right: pos.x + label.clientWidth,\n      bottom: pos.y + label.clientHeight,\n    };\n    if (\n      loc.left - 30 > 0 &&\n      loc.right + 20 < simulationElt.clientWidth &&\n      loc.top - 25 > 0 &&\n      loc.bottom < simulationElt.clientHeight\n    ) {\n      label.style.left = `${loc.left - label.clientWidth / 2}px`;\n      label.style.top = `${loc.top - label.clientHeight - 8}px`;\n      label.style.visibility = 'visible';\n    } else {\n      label.style.visibility = 'hidden';\n    }\n  }\n\n  /**\n   * @private\n   * Builds the sprite for this object\n   * @return {THREE.Sprite} A sprite object\n   */\n  private createSprite(): THREE.Sprite {\n    if (!this._options.textureUrl) {\n      throw new Error('Cannot create sprite without a textureUrl');\n    }\n    const fullTextureUrl = getFullTextureUrl(\n      this._options.textureUrl,\n      this._context.options.basePath,\n    );\n    const texture = new THREE.TextureLoader().load(fullTextureUrl);\n    texture.encoding = THREE.LinearEncoding;\n    const sprite = new THREE.Sprite(\n      new THREE.SpriteMaterial({\n        map: texture,\n        blending: THREE.AdditiveBlending,\n        depthWrite: false,\n        color: this._options.theme ? this._options.theme.color : 0xffffff,\n      }),\n    );\n    const scale = rescaleArray(this._scale);\n    sprite.scale.set(scale[0], scale[1], scale[2]);\n    const position = this.getPosition(this._simulation.getJd());\n    sprite.position.set(position[0], position[1], position[2]);\n\n    if (this.isStaticObject()) {\n      sprite.updateMatrix();\n      sprite.matrixAutoUpdate = false;\n    }\n\n    return sprite;\n  }\n\n  /**\n   * @private\n   * Builds the {Orbit} for this object\n   * @return {Orbit} An orbit object\n   */\n  private createOrbit(): Orbit {\n    if (this._orbit) {\n      return this._orbit;\n    }\n\n    const ephem = this._useEphemTable\n      ? this._options.ephemTable\n      : this._options.ephem;\n    if (!ephem) {\n      throw new Error('Cannot create orbit without Ephem or EphemerisTable');\n    }\n    return new Orbit(ephem, {\n      orbitPathSettings: this._options.orbitPathSettings,\n      color: this._options.theme ? this._options.theme.orbitColor : undefined,\n      eclipticLineColor: this._options.ecliptic\n        ? this._options.ecliptic.lineColor\n        : undefined,\n    });\n  }\n\n  /**\n   * @private\n   * Determines whether to update the position of an update. Don't update if JD\n   * threshold is less than a certain amount.\n   * @param {Number} afterJd Next JD\n   * @return {boolean} Whether to update\n   */\n  private shouldUpdateObjectPosition(afterJd: number): boolean {\n    // TODO(ian): Reenable this as a function of zoom level, because as you get\n    // closer the chopiness gets more noticeable.\n    return true;\n    /*\n    if (!this._degreesPerDay || !this._lastPositionUpdate) {\n      return true;\n    }\n    const degMove = this._degreesPerDay * (afterJd - this._lastPositionUpdate);\n    if (degMove < MIN_DEG_MOVE_PER_DAY) {\n      return false;\n    }\n    return true;\n    */\n  }\n\n  /**\n   * Make this object orbit another orbit.\n   * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit.\n   */\n  orbitAround(spaceObj: SpaceObject) {\n    this._orbitAround = spaceObj;\n  }\n\n  /**\n   * Updates the position of this object. Applicable only if this object is a\n   * sprite and not a particle type.\n   * @param {Number} x X position\n   * @param {Number} y Y position\n   * @param {Number} z Z position\n   */\n  setPosition(x: number, y: number, z: number) {\n    this._position[0] = rescaleNumber(x);\n    this._position[1] = rescaleNumber(y);\n    this._position[2] = rescaleNumber(z);\n  }\n\n  /**\n   * Gets the visualization coordinates of this object at a given time.\n   * @param {Number} jd JD date\n   * @return {Array.<Number>} [X, Y,Z] coordinates\n   */\n  getPosition(jd: number): Coordinate3d {\n    const pos = this._position;\n    if (!this._orbit) {\n      // Default implementation, a static object.\n      return pos;\n    }\n\n    const posModified = this._orbit.getPositionAtTime(jd);\n    if (this._orbitAround) {\n      const parentPos = this._orbitAround.getPosition(jd);\n      return [\n        pos[0] + posModified[0] + parentPos[0],\n        pos[1] + posModified[1] + parentPos[1],\n        pos[2] + posModified[2] + parentPos[2],\n      ];\n    }\n    return [\n      pos[0] + posModified[0],\n      pos[1] + posModified[1],\n      pos[2] + posModified[2],\n    ];\n  }\n\n  /**\n   * Updates the object and its label positions for a given time.\n   * @param {Number} jd JD date\n   * @param {boolean} force Whether to force an update regardless of checks for\n   * movement.\n   */\n  update(jd: number, force: boolean = false) {\n    let newpos;\n    if (this._label) {\n      // Labels must update, even for static objects.\n      // TODO(ian): Determine this based on orbit and camera position change.\n      const meetsLabelUpdateThreshold =\n        +new Date() - this._lastLabelUpdate > LABEL_UPDATE_MS;\n      const shouldUpdateLabelPos =\n        force || (this._showLabel && meetsLabelUpdateThreshold);\n      if (shouldUpdateLabelPos) {\n        if (!newpos) {\n          newpos = this.getPosition(jd);\n        }\n        this.updateLabelPosition(newpos);\n        this._lastLabelUpdate = +new Date();\n      }\n    }\n\n    if (this.isStaticObject() && !force) {\n      return;\n    }\n\n    let shouldUpdateObjectPosition = false;\n    if (this._object3js || this._label) {\n      shouldUpdateObjectPosition = force || this.shouldUpdateObjectPosition(jd);\n    }\n    if (this._object3js && shouldUpdateObjectPosition) {\n      newpos = this.getPosition(jd);\n      this._object3js.position.set(newpos[0], newpos[1], newpos[2]);\n      // this._lastPositionUpdate = jd;\n    }\n\n    const orbitNeedsRefreshing =\n      !this._orbitPath || this._orbit?.needsUpdateForTime(jd);\n    if (this._orbit && !this._options.hideOrbit && orbitNeedsRefreshing) {\n      if (this._orbitPath) {\n        this._simulation.getScene().remove(this._orbitPath);\n      }\n      this._orbitPath = this._orbit.getOrbitShape(jd, true);\n      this._simulation.getScene().add(this._orbitPath);\n    }\n\n    const eclipticNeedsRefreshing =\n      !this._eclipticLines || orbitNeedsRefreshing;\n    if (\n      this._orbit &&\n      this._options.ecliptic &&\n      this._options.ecliptic.displayLines &&\n      eclipticNeedsRefreshing\n    ) {\n      if (this._eclipticLines) {\n        this._simulation.getScene().remove(this._eclipticLines);\n      }\n      this._eclipticLines = this._orbit.getLinesToEcliptic();\n      this._simulation.getScene().add(this._eclipticLines);\n    }\n\n    if (this._orbitAround) {\n      const parentPos = this._orbitAround.getPosition(jd);\n      if (this._renderMethod === 'PARTICLESYSTEM') {\n        // TODO(ian): Only do this when the origin changes\n        this._context.objects.particles?.setParticleOrigin(\n          this._particleIndex!,\n          parentPos,\n        );\n      }\n\n      if (!this._options.hideOrbit) {\n        this._orbitPath?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n      }\n      if (!newpos) {\n        newpos = this.getPosition(jd);\n      }\n    }\n  }\n\n  /**\n   * Gets the THREE.js objects that represent this SpaceObject.  The first\n   * object returned is the primary object.  Other objects may be returned,\n   * such as rings, ellipses, etc.\n   * @return {Array.<THREE.Object3D>} A list of THREE.js objects\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    const ret = [];\n    if (this._object3js) {\n      ret.push(this._object3js);\n    }\n    if (this._orbit) {\n      if (this._orbitPath) {\n        ret.push(this._orbitPath);\n      }\n\n      if (this._eclipticLines) {\n        ret.push(this._eclipticLines);\n      }\n    }\n    return ret;\n  }\n\n  /**\n   * Specifies the object that is used to compute the bounding box. By default,\n   * this will be the first THREE.js object in this class's list of objects.\n   * @return {THREE.Object3D} THREE.js object\n   */\n  async getBoundingObject(): Promise<THREE.Object3D> {\n    return Promise.resolve(this.get3jsObjects()[0]);\n  }\n\n  /**\n   * Gets the color of this object. Usually this corresponds to the color of\n   * the dot representing the object as well as its orbit.\n   * @return {Number} A hexidecimal color value, e.g. 0xFFFFFF\n   */\n  getColor(): number {\n    if (this._options.theme) {\n      return this._options.theme.color || 0xffffff;\n    }\n    return 0xffffff;\n  }\n\n  /**\n   * Gets the {Orbit} object for this SpaceObject.\n   * @return {Orbit} Orbit object\n   */\n  getOrbit(): Orbit | undefined {\n    return this._orbit;\n  }\n\n  /**\n   * Gets label visilibity status.\n   * @return {boolean} Whether label is visible.\n   */\n  getLabelVisibility(): boolean {\n    return this._showLabel;\n  }\n\n  /**\n   * Toggle the visilibity of the label.\n   * @param {boolean} val Whether to show or hide.\n   */\n  setLabelVisibility(val: boolean) {\n    if (!this._label) {\n      throw new Error('Attempted to set label visibility without a label');\n    }\n\n    if (val) {\n      this._showLabel = true;\n      this._label.style.display = 'block';\n    } else {\n      this._showLabel = false;\n      this._label.style.display = 'none';\n    }\n  }\n\n  /**\n   * Gets the unique ID of this object.\n   * @return {String} Unique ID\n   */\n  getId(): string {\n    return this._id;\n  }\n\n  /**\n   * Determines whether object is static (can't change its position) or whether\n   * its position can be updated (ie, it has ephemeris)\n   * @return {boolean} Whether this object can change its position.\n   */\n  isStaticObject(): boolean {\n    return this._isStaticObject;\n  }\n\n  /**\n   * Determines whether object is ready to be measured or added to scene.\n   * @return {boolean} True if ready\n   */\n  isReady(): boolean {\n    return this._initialized;\n  }\n\n  removalCleanup() {\n    if (this._label) {\n      this._simulation.getSimulationElement().removeChild(this._label);\n      this._label = undefined;\n    }\n\n    if (this._particleIndex !== undefined) {\n      this._context?.objects.particles.hideParticle(this._particleIndex);\n    }\n  }\n}\n\nconst DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png';\n\n/**\n * Useful presets for creating SpaceObjects.\n * @example\n * ```\n * const myobject = viz.addObject('planet1', Spacekit.SpaceObjectPresets.MERCURY);\n * ```\n */\nexport const SpaceObjectPresets = {\n  SUN: {\n    textureUrl: '{{assets}}/sprites/lensflare0.png',\n    position: [0, 0, 0],\n  },\n  MERCURY: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x913cee,\n    },\n    ephem: EphemPresets.MERCURY,\n  },\n  VENUS: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xff7733,\n    },\n    ephem: EphemPresets.VENUS,\n  },\n  EARTH: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x009acd,\n    },\n    ephem: EphemPresets.EARTH,\n  },\n  MOON: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xffd700,\n    },\n    ephem: EphemPresets.MOON,\n\n    // Special params\n    particleSize: 6,\n  },\n  MARS: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xa63a3a,\n    },\n    ephem: EphemPresets.MARS,\n  },\n  JUPITER: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xffb90f,\n    },\n    ephem: EphemPresets.JUPITER,\n  },\n  SATURN: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x336633,\n    },\n    ephem: EphemPresets.SATURN,\n  },\n  URANUS: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x0099ff,\n    },\n    ephem: EphemPresets.URANUS,\n  },\n  NEPTUNE: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0x3333ff,\n    },\n    ephem: EphemPresets.NEPTUNE,\n  },\n  PLUTO: {\n    textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n    theme: {\n      color: 0xccc0b0,\n    },\n    ephem: EphemPresets.PLUTO,\n  },\n};\n", "import * as THREE from 'three';\n\nimport Units from './Units';\nimport { SpaceObject } from './SpaceObject';\nimport { rescaleVector } from './Scale';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nfunction getAxis(src: THREE.Vector3, dst: THREE.Vector3, color: number) {\n  const mat = new THREE.LineBasicMaterial({ linewidth: 3, color });\n  const geom = new THREE.BufferGeometry().setFromPoints([\n    rescaleVector(src).clone(),\n    rescaleVector(dst).clone(),\n  ]);\n\n  const axis = new THREE.Line(geom, mat);\n  axis.computeLineDistances();\n  return axis;\n}\n\nfunction getAxes() {\n  return [\n    getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(3, 0, 0), 0xff0000),\n    getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 3, 0), 0x00ff00),\n    getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 0, 3), 0x0000ff),\n  ];\n}\n\n/**\n * This class simulates an object that spins according to provided rotational\n * parameters.\n */\nexport class RotatingObject extends SpaceObject {\n  protected _obj: THREE.Object3D;\n\n  protected _materials: THREE.Material[];\n\n  private _objectIsRotatable: boolean;\n\n  // private _axisRotationAngleOffset: number;\n\n  private _axisOfRotation?: THREE.Vector3;\n\n  /*\n   * FIXME(ian): This implementation is still WIP! Rotational parameters are not\n   * used right now.\n   * @param {boolean} options.rotation.enable Rotate the object\n   * @param {Number} options.rotation.speed Factor that determines speed of rotation\n   * @param {Number} options.rotation.lambdaDeg Ecliptic longitude lambda, in degrees\n   * @param {Number} options.rotation.betaDeg Ecliptic longitude beta, in degrees\n   * @param {Number} options.rotation.period Rotational period, in JD\n   * @param {Number} options.rotation.yorp YORP coefficient, if any (defaults to 0)\n   * @param {Number} options.rotation.phi0 Initial rotation phi, in degrees (defaults to 0)\n   * @param {Number} options.rotation.jd0 JD epoch of rotational parameters\n   * @see SpaceObject\n   */\n  constructor(\n    id: string,\n    options: SpaceObjectOptions,\n    simulation: Simulation,\n    autoInit: boolean = true,\n  ) {\n    super(id, options, simulation, false /* autoInit */);\n\n    // The THREE.js object\n    this._obj = new THREE.Object3D();\n    this._renderMethod = 'ROTATING_OBJECT';\n    super.setPositionedObject(this._obj);\n\n    this._objectIsRotatable = false;\n    if (this._options.rotation) {\n      this._objectIsRotatable = true;\n    }\n\n    // Offset of axis angle\n    // this._axisRotationAngleOffset = 0;\n    this._axisOfRotation = undefined;\n\n    // Keep track of materials that comprise this object.\n    this._materials = [];\n\n    if (autoInit) {\n      this.init();\n    }\n  }\n\n  override init(): boolean {\n    if (this._objectIsRotatable) {\n      this.initRotation();\n    }\n\n    if (this._options.debug) {\n      if (this._options.debug.showAxes) {\n        getAxes().forEach((axis) => this._obj.add(axis));\n      }\n\n      if (this._options.debug.showGrid) {\n        const gridHelper = new THREE.GridHelper(3, 3, 0xff0000, 0xffeeee);\n        gridHelper.geometry.rotateX(Math.PI / 2);\n        this._obj.add(gridHelper);\n      }\n    }\n\n    return super.init();\n  }\n\n  initRotation() {\n    if (!this._options.rotation) {\n      throw new Error(\n        'Must specify `rotation` option when creating a RotatingObject',\n      );\n    }\n\n    const { rotation } = this._options;\n    if (typeof rotation.jd0 === 'undefined') {\n      return;\n    }\n\n    // Formula\n    // https://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_description\n\n    // Testing this asteroid:\n    // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1504\n    // Model 2691\n    const { PI } = Math;\n\n    // Cacus\n    // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1046\n    // http://astro.troja.mff.cuni.cz/projects/asteroids3D/php.php?script=db_sky_projection&model_id=1863&jd=2443568.0\n\n    // Latitude\n    const lambda = Units.rad(rotation.lambdaDeg || 0);\n\n    // Longitude\n    const beta = Units.rad(rotation.betaDeg || 0);\n\n    // Other\n    const P = rotation.period;\n    const YORP = rotation.yorp || 0;\n    const phi0 = Units.rad(rotation.phi0 || 0);\n    const JD = this._simulation.getJd();\n    const JD0 = rotation.jd0;\n\n    // Asteroid rotation\n    // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), lambda);\n    // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 1, 0), beta);\n\n    // Adjust Z axis according to time.\n    const zAdjust =\n      phi0 +\n      ((2 * PI) / P) * (JD - JD0) +\n      (1 / 2) * YORP * Math.pow(JD - JD0, 2);\n    this._obj.rotateY(-(PI / 2 - beta));\n    this._obj.rotateZ(-lambda);\n    this._obj.rotateZ(zAdjust);\n  }\n\n  /**\n   * Updates the object and its label positions for a given time.\n   * @param {Number} jd JD date\n   */\n  override update(jd: number, force: boolean = false) {\n    if (\n      this._obj &&\n      this._objectIsRotatable &&\n      this._options.rotation &&\n      this._options.rotation.enable\n    ) {\n      // For now, just rotate on X axis.\n      const speed = this._options.rotation.speed || 0.5;\n      this._obj.rotation.z += speed * (Math.PI / 180);\n      this._obj.rotation.z %= 360;\n    }\n    if (this._axisOfRotation) {\n      // this._obj.rotateOnAxis(this._axisOfRotation, 0.01);\n    }\n    // this._obj.rotateZ(0.015)\n    // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), 0.01);\n\n    // Update position\n    super.update(jd, force);\n  }\n\n  /**\n   * Gets the THREE.js objects that represent this SpaceObject.\n   * @return {Array.<THREE.Object>} A list of THREE.js objects\n   */\n  override get3jsObjects(): THREE.Object3D[] {\n    const ret = super.get3jsObjects();\n    // Add to the front, because this is the primary object.\n    ret.unshift(this._obj);\n    return ret;\n  }\n\n  /**\n   * Begin rotating this object.\n   */\n  startRotation() {\n    if (!this._options.rotation) {\n      throw new Error(\n        'Must specify `rotation` option when creating a RotatingObject',\n      );\n    }\n    this._options.rotation.enable = true;\n  }\n\n  /**\n   * Stop rotation of this object.\n   */\n  stopRotation() {\n    if (!this._options.rotation) {\n      throw new Error(\n        'Must specify `rotation` option when creating a RotatingObject',\n      );\n    }\n    this._options.rotation.enable = false;\n  }\n}\n", "import * as THREE from 'three';\nimport { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader';\n\nimport { RotatingObject } from './RotatingObject';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nexport class ShapeObject extends RotatingObject {\n  private shapeObj: THREE.Object3D | undefined;\n\n  private loadingPromise: Promise<THREE.Object3D>;\n\n  /**\n   * @param {Object} options.shape Shape specification\n   * @param {String} options.shape.type Type of object (\"custom\" or \"sphere\")\n   * @param {String} options.shape.shapeUrl Path to shapefile if type is \"custom\"\n   * @param {Number} options.shape.textureUrl Optional texture map for shape\n   * @param {Number} options.shape.color Color of shape materials. Default 0xcccccc\n   * @param {Number} options.shape.radius Radius, if applicable. Defaults to 1\n   * @param {Object} options.shape.debug Debug options\n   * @param {boolean} options.shape.debug.showAxes Show axes\n   * rotation speed. Default 0.5\n   * @see SpaceObject\n   * @see RotatingObject\n   */\n  constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n    super(id, options, simulation, false /* autoInit */);\n    if (!options.shape) {\n      throw new Error('ShapeObject requires an options.shape object');\n    }\n    if (!options.shape?.shapeUrl) {\n      throw new Error(\n        'Must specify shape.shapeUrl when creating a ShapeObject',\n      );\n    }\n\n    this.shapeObj = undefined;\n\n    const manager = new THREE.LoadingManager();\n    manager.onProgress = (item: string, loaded: number, total: number) => {\n      console.info(this._id, item, 'loading progress:', loaded, '/', total);\n    };\n    this.loadingPromise = new Promise<THREE.Object3D>((resolve) => {\n      const loader = new OBJLoader(manager);\n      // TODO(ian): Make shapeurl follow assetpath logic.\n      loader.load(options.shape!.shapeUrl!, (object) => {\n        object.traverse((child) => {\n          if (child instanceof THREE.Mesh) {\n            const material = new THREE.MeshStandardMaterial({\n              color: this._options.shape!.color || 0xcccccc,\n            });\n            child.material = material;\n            child.geometry.scale(0.05, 0.05, 0.05);\n            /*\n            child.geometry.computeFaceNormals();\n            child.geometry.computeVertexNormals();\n            child.geometry.computeBoundingBox();\n           */\n            this._materials.push(material);\n          }\n        });\n\n        this.shapeObj = object;\n        this._obj.add(object);\n\n        if (this._simulation) {\n          // Add it all to visualization.\n          this._simulation.addObject(this, false /* noUpdate */);\n        }\n\n        this._initialized = true;\n        resolve(this.shapeObj);\n      });\n    });\n\n    // TODO(ian): Create an orbit if applicable\n    super.init();\n  }\n\n  /**\n   * Specifies the object that is used to compute the bounding box.\n   * @return {THREE.Object3D} THREE.js object\n   */\n  override async getBoundingObject(): Promise<THREE.Object3D> {\n    return this.loadingPromise;\n  }\n}\n", "import * as THREE from 'three';\n\nimport type {\n  Simulation,\n  SimulationContext,\n  SimulationObject,\n} from './Simulation';\nimport { getFullTextureUrl } from './util';\n\ninterface SkyboxOptions {\n  textureUrl: string;\n  basePath: string;\n}\n\n/**\n * A class that adds a skybox (technically a skysphere) to a visualization.\n */\nexport class Skybox implements SimulationObject {\n  private simulation: Simulation;\n\n  private context: SimulationContext;\n\n  private id: string;\n\n  private options: SkyboxOptions;\n\n  private mesh?: THREE.Mesh;\n\n  /**\n   * @param {Object} options Options\n   * @param {String} options.textureUrl Texture to use\n   * @param {String} options.basePath Base path to simulation supporting files\n   * @param {Simulation} simulation Simulation object\n   */\n  constructor(options: SkyboxOptions, simulation: Simulation) {\n    // TODO(ian): Support for actual box instead of sphere...\n    this.options = options;\n    this.id = `__skybox_${new Date().getTime()}`;\n\n    // User passed in Simulation\n    this.simulation = simulation;\n    this.context = simulation.getContext();\n\n    this.mesh = undefined;\n\n    this.init();\n  }\n\n  /**\n   * @private\n   */\n  private init() {\n    const geometry = new THREE.SphereBufferGeometry(1e10, 32, 32);\n\n    const fullTextureUrl = getFullTextureUrl(\n      this.options.textureUrl,\n      this.context.options.basePath,\n    );\n    const texture = new THREE.TextureLoader().load(fullTextureUrl);\n\n    const material = new THREE.MeshBasicMaterial({\n      map: texture,\n      side: THREE.BackSide,\n    });\n\n    const sky = new THREE.Mesh(geometry, material);\n\n    // See this thread on orientation of milky way:\n    // https://www.physicsforums.com/threads/orientation-of-the-earth-sun-and-solar-system-in-the-milky-way.888643/\n    sky.rotation.x = 0;\n    sky.rotation.y = (-1 / 12) * Math.PI;\n    sky.rotation.z = (8 / 5) * Math.PI;\n\n    // We're on the inside of the skybox, so invert it to correct it.\n    sky.scale.set(-1, 1, 1);\n\n    this.mesh = sky;\n\n    if (this.simulation) {\n      this.simulation.addObject(this, true /* noUpdate */);\n    }\n  }\n\n  /**\n   * A list of THREE.js objects that are used to compose the skybox.\n   * @return {THREE.Object3D[]} Skybox mesh\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    if (this.mesh) {\n      return [this.mesh];\n    }\n    return [];\n  }\n\n  /**\n   * Get the unique ID of this object.\n   * @return {String} id\n   */\n  getId(): string {\n    return this.id;\n  }\n\n  update() {\n    // Skyboxes don't update\n  }\n}\n\n/**\n * Preset skybox objects that you can use to add a skybox to your\n * visualization.\n * @example\n * ```\n * const skybox = viz.createSkybox(Spacekit.SkyboxPresets.NASA_TYCHO);\n * ```\n */\nexport const SkyboxPresets: Record<string, { textureUrl: string }> = {\n  ESO_GIGAGALAXY: {\n    textureUrl: '{{assets}}/skybox/eso_milkyway.jpg',\n  },\n  ESO_LITE: {\n    textureUrl: '{{assets}}/skybox/eso_lite.png',\n  },\n  NASA_TYCHO: {\n    // from https://svs.gsfc.nasa.gov/3895\n    textureUrl: '{{assets}}/skybox/nasa_tycho.jpg',\n  },\n};\n", "import * as THREE from 'three';\n//import { TranslucentShader } from 'three/examples/jsm/shaders/TranslucentShader.js';\n\nimport Units from './Units';\nimport { RotatingObject } from './RotatingObject';\nimport { rescaleNumber } from './Scale';\nimport {\n  ATMOSPHERE_SHADER_VERTEX,\n  ATMOSPHERE_SHADER_FRAGMENT,\n  RING_SHADER_VERTEX,\n  RING_SHADER_FRAGMENT,\n  SPHERE_SHADER_VERTEX,\n  SPHERE_SHADER_FRAGMENT,\n} from './shaders';\n\nimport type { IUniform } from 'three';\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\n/**\n * Simulates a planet or other object as a perfect sphere.\n */\nexport class SphereObject extends RotatingObject {\n  /**\n   * @param {String} options.textureUrl Path to basic texture (optional)\n   * @param {String} options.bumpMapUrl Path to bump map (optional)\n   * @param {String} options.specularMapUrl Path to specular map (optional)\n   * @param {Number} options.color Hex color of the sphere\n   * @param {Number} options.axialTilt Axial tilt in degrees\n   * @param {Number} options.radius Radius of sphere. Defaults to 1\n   * @param {Object} options.levelsOfDetail List of {threshold: x, segments:\n   * y}, where `threshold` is radii distance and `segments` is the number\n   * number of sphere faces to render.\n   * @param {Object} options.atmosphere Atmosphere options\n   * @param {Object} options.atmosphere.enable Show atmosphere\n   * @param {Object} options.atmosphere.color Atmosphere color\n   * @param {Object} options.atmosphere.innerSizeRatio Size ratio of the inner\n   * atmosphere to the radius of the sphere. Defaults to 0.025\n   * @param {Object} options.atmosphere.outerSizeRatio Size ratio of the outer\n   * atmosphere to the radius of the sphere. Defaults to 0.15\n   * @param {Object} options.debug Debug options\n   * @param {boolean} options.debug.showAxes Show axes\n   * @see SpaceObject\n   * @see RotatingObject\n   */\n  constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n    super(id, options, simulation, false /* autoInit */);\n\n    this.init();\n  }\n\n  override init(): boolean {\n    let map: THREE.Texture | null = null;\n    if (this._options.textureUrl) {\n      map = new THREE.TextureLoader().load(this._options.textureUrl);\n    }\n\n    const detailedObj = new THREE.LOD();\n    const levelsOfDetail = this._options.levelsOfDetail || [\n      { radii: 0, segments: 64 },\n    ];\n    const radius = this.getScaledRadius();\n\n    for (let i = 0; i < levelsOfDetail.length; i += 1) {\n      const level = levelsOfDetail[i];\n      const sphereGeometry = new THREE.SphereGeometry(\n        radius,\n        level.segments,\n        level.segments,\n      );\n\n      let material: THREE.ShaderMaterial | THREE.MeshBasicMaterial;\n      if (this._simulation.isUsingLightSources()) {\n        console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);\n        const uniforms: Record<string, IUniform> = {\n          sphereTexture: {\n            value: undefined,\n          },\n          lightPos: {\n            value: new THREE.Vector3(),\n          },\n        };\n        // TODO(ian): Handle if no map\n        uniforms.sphereTexture.value = map;\n        uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n        material = new THREE.ShaderMaterial({\n          uniforms,\n          vertexShader: SPHERE_SHADER_VERTEX,\n          fragmentShader: SPHERE_SHADER_FRAGMENT,\n          transparent: true,\n        });\n      } else {\n        const color = this._options.color ?? 0xbbbbbb;\n        material = new THREE.MeshBasicMaterial({\n          map,\n          color,\n        });\n      }\n\n      const mesh = new THREE.Mesh(sphereGeometry, material);\n      mesh.receiveShadow = true;\n      mesh.castShadow = true;\n\n      // Change the coordinate system to have Z-axis pointed up.\n      mesh.rotation.x = Math.PI / 2;\n\n      // Show this number of segments at distance >= radii * level.radii.\n      detailedObj.addLevel(mesh, radius * level.radii);\n    }\n\n    // Add to the parent base object.\n    this._obj.add(detailedObj);\n\n    if (this._options.atmosphere && this._options.atmosphere.enable) {\n      const atmosphere = this.renderFullAtmosphere();\n      if (atmosphere) {\n        this._obj.add(atmosphere);\n      }\n    }\n\n    if (this._options.axialTilt) {\n      this._obj.rotation.y += Units.rad(this._options.axialTilt);\n    }\n\n    this._renderMethod = 'SPHERE';\n\n    if (this._simulation) {\n      // Add it all to visualization.\n      this._simulation.addObject(this, false /* noUpdate */);\n    }\n\n    return super.init();\n  }\n\n  /**\n   * @private\n   */\n  private getScaledRadius(): number {\n    return rescaleNumber(this._options.radius || 1);\n  }\n\n  /**\n   * @private\n   * Model the atmosphere as two layers - a thick inner layer and a diffuse\n   * outer one.\n   */\n  private renderFullAtmosphere() {\n    if (!this._simulation.isUsingLightSources()) {\n      console.warn('Cannot render atmosphere without a light source');\n      return null;\n    }\n\n    const radius = this.getScaledRadius();\n    const color = new THREE.Color(this._options?.atmosphere?.color ?? 0xffffff);\n\n    const innerSize =\n      radius * (this._options?.atmosphere?.innerSizeRatio ?? 0.025);\n    const outerSize =\n      radius * (this._options?.atmosphere?.outerSizeRatio ?? 0.15);\n\n    const detailedObj = new THREE.Object3D();\n    detailedObj.add(\n      this.renderAtmosphereComponent(radius, innerSize, 0.8, 2.0, color),\n    );\n    detailedObj.add(\n      this.renderAtmosphereComponent(radius, outerSize, 0.5, 4.0, color),\n    );\n\n    // Hide atmosphere beyond some multiple of radius distance.\n    // TODO(ian): This effect is somewhat jarring when the atmosphere first\n    // appears, also arbitrary...\n    const ret = new THREE.LOD();\n    ret.addLevel(detailedObj, 0);\n    ret.addLevel(new THREE.Object3D(), radius * 24);\n    return ret;\n  }\n\n  /**\n   * @private\n   * @param {Number} radius Radius of object\n   * @param {Number} size Size of atmosphere\n   * @param {Number} coefficient Coefficient value\n   * @param {Number} power Power value\n   * @param {THREE.Color} colorObj Color of atmosphere\n   */\n  private renderAtmosphereComponent(\n    radius: number,\n    size: number,\n    coefficient: number,\n    power: number,\n    colorObj: THREE.Color,\n  ) {\n    const geometry = new THREE.SphereGeometry(radius + size, 32, 32);\n    const uniforms = {\n      c: { value: coefficient },\n      p: { value: power },\n      color: { value: colorObj },\n      lightPos: { value: new THREE.Vector3() },\n    };\n    const lightPosition = this._simulation.getLightPosition();\n    if (lightPosition) {\n      uniforms.lightPos.value.copy(lightPosition);\n    }\n    // TODO(ian): Handle case where there is no light.\n\n    const material = new THREE.ShaderMaterial({\n      uniforms,\n      vertexShader: ATMOSPHERE_SHADER_VERTEX,\n      fragmentShader: ATMOSPHERE_SHADER_FRAGMENT,\n      side: THREE.BackSide,\n      transparent: true,\n      depthWrite: false,\n    });\n\n    return new THREE.Mesh(geometry, material);\n  }\n\n  /**\n   * Add rings around this object.\n   * @param {Number} innerRadiusKm Inner radius of ring.\n   * @param {Number} outerRadiusKm Outer radius of ring.\n   * @param {String} texturePath Full path to 1xN ring texture. (each pixel\n   * represents the color of a full circle within the ring)\n   * @param {Number} segments  Number of segments to use to render ring.\n   * (optional)\n   */\n  addRings(\n    innerRadiusKm: number,\n    outerRadiusKm: number,\n    texturePath: string,\n    segments: number = 128,\n  ) {\n    const innerRadiusSize = rescaleNumber(Units.kmToAu(innerRadiusKm));\n    const outerRadiusSize = rescaleNumber(Units.kmToAu(outerRadiusKm));\n\n    const geometry = new THREE.RingGeometry(\n      innerRadiusSize,\n      outerRadiusSize,\n      segments,\n      5,\n      0,\n      Math.PI * 2,\n    );\n    // TODO(ian): Load from base path.\n    const map = new THREE.TextureLoader().load(texturePath);\n\n    let material;\n    if (this._simulation.isUsingLightSources()) {\n      // TODO(ian): Follow recommendation for defining ShaderMaterials here:\n      // https://discourse.threejs.org/t/cant-get-a-sampler2d-uniform-to-work-from-datatexture/6366/14?u=ianw\n      const uniforms = THREE.UniformsUtils.merge([\n        // TODO(ian): These failed due to type check. Remove?\n        // THREE.UniformsLib.ambient,\n        THREE.UniformsLib.lights,\n        // THREE.UniformsLib.shadowmap,\n        {\n          ringTexture: { value: null },\n          innerRadius: { value: innerRadiusSize },\n          outerRadius: { value: outerRadiusSize },\n          lightPos: { value: new THREE.Vector3() },\n        },\n      ]);\n      uniforms.ringTexture.value = map;\n      uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n\n      material = new THREE.ShaderMaterial({\n        uniforms,\n        lights: true,\n        vertexShader: RING_SHADER_VERTEX,\n        fragmentShader: RING_SHADER_FRAGMENT,\n        transparent: true,\n        alphaTest: 0.1,\n        side: THREE.DoubleSide,\n      });\n    } else {\n      material = new THREE.MeshBasicMaterial({\n        map,\n        side: THREE.DoubleSide,\n        transparent: true,\n        alphaTest: 0.1,\n        opacity: 0.8,\n      });\n    }\n\n    const mesh = new THREE.Mesh(geometry, material);\n    mesh.receiveShadow = true;\n    mesh.castShadow = true;\n\n    this._obj.add(mesh);\n  }\n}\n", "import * as THREE from 'three';\n\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Simulation, SimulationObject } from './Simulation';\n\ninterface StaticParticleOptions {\n  defaultColor: number;\n  size: number;\n}\n\nconst DEFAULT_PARTICLE_SIZE = 4;\nconst DEFAULT_COLOR = 0xffffff;\n\n/**\n * Simulates a static particle field in whichever base reference the simulation is in.\n */\nexport class StaticParticles implements SimulationObject {\n  private id: string;\n\n  private options: StaticParticleOptions;\n\n  private simulation: Simulation;\n\n  private points: Coordinate3d[];\n\n  private pointObject?: THREE.Points;\n\n  /**\n   *\n   * @param {String} id Unique ID for this object\n   * @param {Array.Array.<Number>} points an array of X,Y,Z cartesian points, one for each particle\n   * @param {Object} options container\n   * @param {Color} options.defaultColor color to use for all particles can be a THREE string color name or hex value\n   * @param {Number} options.size the size of each particle\n   * @param {Simulation} simulation Simulation object\n   */\n  constructor(\n    id: string,\n    points: Coordinate3d[],\n    options: StaticParticleOptions,\n    simulation: Simulation,\n  ) {\n    this.options = options;\n\n    this.id = id;\n\n    // User passed in Simulation\n    this.simulation = simulation;\n\n    this.points = points;\n    this.pointObject = undefined;\n\n    this.init();\n    this.simulation.addObject(this, true);\n  }\n\n  init() {\n    const positions = new Float32Array(this.points.length * 3);\n    const colors = new Float32Array(this.points.length * 3);\n    const sizes = new Float32Array(this.points.length);\n    let color = new THREE.Color(DEFAULT_COLOR);\n\n    if (this.options.defaultColor) {\n      color = new THREE.Color(this.options.defaultColor);\n    }\n\n    let size = DEFAULT_PARTICLE_SIZE;\n\n    if (this.options.size) {\n      size = this.options.size;\n    }\n\n    for (let i = 0, l = this.points.length; i < l; i++) {\n      const vertex = this.points[i];\n      positions.set(vertex, i * 3);\n      color.toArray(colors, i * 3);\n      sizes[i] = size;\n    }\n\n    const geometry = new THREE.BufferGeometry();\n    geometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));\n    geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n    geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n    const material = new THREE.ShaderMaterial({\n      vertexColors: true,\n      vertexShader: STAR_SHADER_VERTEX,\n      fragmentShader: STAR_SHADER_FRAGMENT,\n      transparent: true,\n    });\n\n    this.pointObject = new THREE.Points(geometry, material);\n  }\n\n  /**\n   * A list of THREE.js objects that are used to compose the particle system.\n   * @return {THREE.Object3D} Point geometry\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    if (this.pointObject) {\n      return [this.pointObject];\n    }\n    return [];\n  }\n\n  /**\n   * Get the unique ID of this object.\n   * @return {String} id\n   */\n  getId(): string {\n    return this.id;\n  }\n\n  update() {\n    // Static particles don't update\n  }\n}\n", "import * as THREE from 'three';\n\nimport Coordinates from './Coordinates';\nimport Units from './Units';\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\nimport { getFullUrl } from './util';\n\nimport type {\n  Simulation,\n  SimulationContext,\n  SimulationObject,\n} from './Simulation';\n\ninterface StarOptions {\n  minSize?: number;\n}\n\ntype StarRecord = [number, number, number, number];\n\n/**\n * Maps spectral class to star color\n * @param temp {Number} Star temperature in Kelvin\n * @return {Number} Color for star of given spectral class\n */\nfunction getColorForStar(temp: number): number {\n  if (temp >= 30000) return 0x92b5ff;\n  if (temp >= 10000) return 0xa2c0ff;\n  if (temp >= 7500) return 0xd5e0ff;\n  if (temp >= 6000) return 0xf9f5ff;\n  if (temp >= 5200) return 0xffede3;\n  if (temp >= 3700) return 0xffdab5;\n  if (temp >= 2400) return 0xffb56c;\n  return 0xffb56c;\n}\n\n/**\n * Returns the pixel size of a star.\n * @param mag {Number} Absolute magnitude of star\n * @param minSize {Number} Pixel size of the smallest star\n * @return {Number} Pixel size of star.\n */\nfunction getSizeForStar(mag: number, minSize: number): number {\n  if (mag < 2.0) return minSize * 4;\n  if (mag < 4.0) return minSize * 2;\n  if (mag < 6.0) return minSize;\n  return 1;\n}\n\n/**\n * Builds a starry background that is accurate for the Earth's position in\n * space.\n */\nexport class Stars implements SimulationObject {\n  private _id: string;\n\n  private _options: StarOptions;\n\n  private _simulation: Simulation;\n\n  private _context: SimulationContext;\n\n  private _stars?: THREE.Points;\n\n  /**\n   * @param {Number} options.minSize The size of the smallest star.\n   * Defaults to 0.75\n   */\n  constructor(options: StarOptions, simulation: Simulation) {\n    this._options = options;\n    this._id = `__stars_${new Date().getTime()}`;\n\n    this._simulation = simulation;\n    this._context = simulation.getContext();\n\n    this._stars = undefined;\n\n    this.init();\n  }\n\n  init() {\n    const dataUrl = getFullUrl(\n      '{{data}}/processed/bsc.json',\n      this._context.options.basePath,\n    );\n\n    fetch(dataUrl)\n      .then((resp) => resp.json())\n      .then((library) => {\n        const n = library.length;\n\n        const geometry = new THREE.BufferGeometry();\n\n        const positions = new Float32Array(n * 3);\n        const colors = new Float32Array(n * 3);\n        const sizes = new Float32Array(n);\n\n        geometry.setAttribute(\n          'position',\n          new THREE.BufferAttribute(positions, 3),\n        );\n        geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n        geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n        library.forEach((star: StarRecord, idx: number) => {\n          const [ra, dec, temp, mag] = star;\n\n          const raRad = Units.rad(Units.hoursToDeg(ra));\n          const decRad = Units.rad(dec);\n\n          const cartesianSpherical = Coordinates.sphericalToCartesian(\n            raRad,\n            decRad,\n            1e9,\n          );\n          const pos = Coordinates.equatorialToEcliptic_Cartesian(\n            cartesianSpherical[0],\n            cartesianSpherical[1],\n            cartesianSpherical[2],\n            Coordinates.getObliquity(), // defaults to J2000 value\n          );\n\n          positions.set(pos, idx * 3);\n\n          const color = new THREE.Color(getColorForStar(temp));\n          colors.set(color.toArray(), idx * 3);\n\n          sizes[idx] = getSizeForStar(\n            mag,\n            this._options.minSize || 3.0 /* minSize */,\n          );\n        });\n\n        const material = new THREE.ShaderMaterial({\n          uniforms: {},\n          vertexColors: true,\n          vertexShader: STAR_SHADER_VERTEX,\n          fragmentShader: STAR_SHADER_FRAGMENT,\n\n          transparent: true,\n        });\n\n        this._stars = new THREE.Points(geometry, material);\n\n        if (this._simulation) {\n          this._simulation.addObject(this, true /* noUpdate */);\n        }\n      });\n  }\n\n  /**\n   * A list of THREE.js objects that are used to compose this object\n   * @return {THREE.Object3D[]} Star objects\n   */\n  get3jsObjects(): THREE.Object3D[] {\n    if (this._stars) {\n      return [this._stars];\n    }\n    return [];\n  }\n\n  /**\n   * Get the unique ID of this object.\n   * @return {String} id\n   */\n  getId(): string {\n    return this._id;\n  }\n\n  update() {\n    // Stars don't update\n  }\n}\n"],
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   "names": []
 }
diff --git a/package.json b/package.json
index de2da2c..5194354 100644
--- a/package.json
+++ b/package.json
@@ -1,40 +1,40 @@
 {
-  "name": "spacekit.js",
-  "version": "0.1.0",
-  "license": "MIT",
-  "main": "build/spacekit.cjs.js",
-  "module": "build/spacekit.esm.js",
-  "types": "build/typescript/index.d.ts",
-  "prepublish": "yarn build",
-  "scripts": {
-    "build": "tsc && yarn esbuild:browser && yarn esbuild:esm && yarn esbuild:cjs",
-    "esbuild:browser": "esbuild src/index.ts --bundle --minify --sourcemap --target=es2015 --global-name=Spacekit --tsconfig=tsconfig.json --outfile=build/spacekit.js",
-    "esbuild:esm": "esbuild src/index.ts --bundle --minify --sourcemap --target=es2015 --global-name=Spacekit --tsconfig=tsconfig.json --format=esm --outfile=build/spacekit.esm.js",
-    "esbuild:cjs": "esbuild src/index.ts --bundle --minify --sourcemap --target=es2015 --global-name=Spacekit --tsconfig=tsconfig.json --format=cjs --outfile=build/spacekit.cjs.js",
-    "build:watch": "esbuild src/index.ts --bundle --minify --sourcemap --target=es2015 --global-name=Spacekit --tsconfig=tsconfig.json --watch --outfile=build/spacekit.js",
-    "types": "tsc --watch",
-    "docs": "typedoc",
-    "format": "prettier --write --single-quote --trailing-comma all '{src,examples,test}/**/*.{js,ts}'",
-    "test": "jest"
-  },
-  "devDependencies": {
-    "@arkweid/lefthook": "^0.6.3",
-    "@babel/core": "^7.9.0",
-    "@babel/preset-env": "^7.9.5",
-    "@babel/preset-typescript": "^7.15.0",
-    "@types/node": "^16.7.10",
-    "@types/three": "^0.131.0",
-    "@typescript-eslint/parser": "^4.14.0",
-    "babel-jest": "^25.5.1",
-    "esbuild": "^0.12.25",
-    "jest": "^25.4.0",
-    "prettier": "^2.3.2",
-    "typedoc": "^0.21.9",
-    "typescript": "^4.1.3"
-  },
-  "dependencies": {
-    "julian": "^0.2.0",
-    "postprocessing": "^6.22.5",
-    "three": "^0.137.0"
-  }
+    "name": "spacekit.js",
+    "version": "0.1.0",
+    "license": "MIT",
+    "main": "build/spacekit.cjs.js",
+    "module": "build/spacekit.esm.js",
+    "types": "build/typescript/index.d.ts",
+    "prepublish": "yarn build",
+    "scripts": {
+        "build": "tsc && yarn esbuild:browser && yarn esbuild:esm && yarn esbuild:cjs",
+        "esbuild:browser": "esbuild src/index.ts --bundle --minify --sourcemap --target=es2015 --global-name=Spacekit --tsconfig=tsconfig.json --outfile=build/spacekit.js",
+        "esbuild:esm": "esbuild src/index.ts --bundle --minify --sourcemap --target=es2015 --global-name=Spacekit --tsconfig=tsconfig.json --format=esm --outfile=build/spacekit.esm.js",
+        "esbuild:cjs": "esbuild src/index.ts --bundle --minify --sourcemap --target=es2015 --global-name=Spacekit --tsconfig=tsconfig.json --format=cjs --outfile=build/spacekit.cjs.js",
+        "build:watch": "esbuild src/index.ts --bundle --minify --sourcemap --target=es2015 --global-name=Spacekit --tsconfig=tsconfig.json --watch --outfile=build/spacekit.js",
+        "types": "tsc --watch",
+        "docs": "typedoc",
+        "format": "prettier --write --single-quote --trailing-comma all '{src,examples,test}/**/*.{js,ts}'",
+        "test": "jest"
+    },
+    "devDependencies": {
+        "@arkweid/lefthook": "^0.6.3",
+        "@babel/core": "^7.9.0",
+        "@babel/preset-env": "^7.9.5",
+        "@babel/preset-typescript": "^7.15.0",
+        "@types/node": "^16.7.10",
+        "@types/three": "^0.131.0",
+        "@typescript-eslint/parser": "^4.14.0",
+        "babel-jest": "^25.5.1",
+        "esbuild": "^0.12.25",
+        "jest": "^25.4.0",
+        "prettier": "^2.3.2",
+        "typedoc": "^0.21.9",
+        "typescript": "^4.1.3"
+    },
+    "dependencies": {
+        "julian": "^0.2.0",
+        "postprocessing": "^6.22.5",
+        "three": "0.135.0"
+    }
 }
diff --git a/src/KeplerParticles.ts b/src/KeplerParticles.ts
index 8ff09c0..e3862eb 100644
--- a/src/KeplerParticles.ts
+++ b/src/KeplerParticles.ts
@@ -191,6 +191,10 @@ export class KeplerParticles {
     this.shaderMaterial = shader;
     this.geometry = geometry;
     this.particleSystem = new THREE.Points(geometry, shader);
+
+    if (this.get3jsObjects() && this.get3jsObjects()[0]) {
+      this.get3jsObjects()[0].frustumCulled = false;
+    }
   }
 
   /**
diff --git a/yarn.lock b/yarn.lock
index 1746e5d..8d38b64 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4271,10 +4271,10 @@ test-exclude@^6.0.0:
     glob "^7.1.4"
     minimatch "^3.0.4"
 
-three@^0.137.0:
-  version "0.137.0"
-  resolved "https://registry.yarnpkg.com/three/-/three-0.137.0.tgz#0ebd6ba66637a332c31f234bcdd35aeec071a6e3"
-  integrity sha512-rzSDhia6cU35UCy6y+zEEws6vSgytfHqFMSaBvUcySgzwvDO6vETyswtSNi/+aVqJw8WLMwyT1mlQQ1T/dxxOA==
+three@0.135.0:
+  version "0.135.0"
+  resolved "https://registry.yarnpkg.com/three/-/three-0.135.0.tgz#cff4ec8edd3c51ce9bc7e88d13e8eafed4d0ddfc"
+  integrity sha512-kuEpuuxRzLv0MDsXai9huCxOSQPZ4vje6y0gn80SRmQvgz6/+rI0NAvCRAw56zYaWKMGMfqKWsxF9Qa2Z9xymQ==
 
 throat@^5.0.0:
   version "5.0.0"