Merge branch 'glb-export' into main

Author: memowe

CHANGELOG

@@ -0,0 +1,7 @@
+0.0.2 2022-01-27
+  - Default GLB export
+  - Optional OBJ export
+
+0.0.1 2022-07-08
+  - First version
+  - Default OBJ export

Dockerfile

@@ -1,8 +1,7 @@
 FROM ubuntu:22.04
 
 ENV DEBIAN_FRONTEND noninteractive
-RUN apt-get update
-RUN apt-get install -y blender
+RUN apt-get update && apt-get install -y python3-numpy blender
 
 COPY tn.py /var/tn/tn.py
 WORKDIR /var/tn/data

README.md

@@ -7,12 +7,12 @@
 From the directory containing your OBJ file `Big.obj`:
 
 ```bash
-docker run -v="$(pwd):/var/tn/data" -u="$(id -u):$(id -g)" memowe/thumbnailify:0.0.1 Big.obj --percent 5
+docker run -v="$(pwd):/var/tn/data" -u="$(id -u):$(id -g)" memowe/thumbnailify:0.0.2 Big.obj --percent 5
 ```
 
-This will write new OBJ data as `Big_thumbnail.obj`.
+This will write new GLB data as `Big_thumbnail.glb`.
 
-The optional `--percent` argument defines in percent, which *collapse ratio* of the Blender [Decimate Modifier][decmod] should be used. Default is 10.
+The optional `--percent 42` argument defines in percent, which *collapse ratio* of the Blender [Decimate Modifier][decmod] should be used. Default is 10. If you prefer OBJ output, use the optional `--obj` argument.
 
 ## Early development
 

tn.py

@@ -14,6 +14,7 @@ def die(*args, **kwargs):
 
 arg_parser = argparse.ArgumentParser() # TODO customize
 arg_parser.add_argument('--percent', type=int, default=10)
+arg_parser.add_argument('--obj', action='store_true')
 arg_parser.add_argument('obj_filename')
 pyargs  = list(dropwhile(lambda arg: arg != '--', sys.argv))[1:]
 args    = arg_parser.parse_args(pyargs)
@@ -56,7 +57,18 @@ def die(*args, **kwargs):
 bpy.ops.object.modifier_apply(modifier='Decimate')
 print('... Done.')
 
-# Export result
-export_filename = f'{obj_purename}_thumbnail.obj'
-print(f'Exporting to {export_filename}.')
-bpy.ops.export_scene.obj(filepath=export_filename)
+### Export result ###
+
+export_filename = f'{obj_purename}_thumbnail.'
+
+# GLB (default)
+if (not args.obj):
+    export_filename += 'glb'
+    print(f'Exporting to {export_filename}.')
+    bpy.ops.export_scene.gltf(filepath=export_filename)
+
+# OBJ
+else:
+    export_filename += 'obj'
+    print(f'Exporting to {export_filename}.')
+    bpy.ops.export_scene.obj(filepath=export_filename)