From e063956e21a561fbdaac573fb393a93100148289 Mon Sep 17 00:00:00 2001
From: Ben Woodford <ben@woodfordnet.co.uk>
Date: Fri, 22 Apr 2016 17:38:50 +0100
Subject: [PATCH] Fixed JointPositionIsValid

If joint is 0 is is _not_ valid and should return false, but this returns true if the joint position is 0. Should be posIsValid = pos != zero
---
 .../JointOrientationBasics/Scripts/DoubleExponentialFilter.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/JointOrientationBasics-Unity/Assets/JointOrientationBasics/Scripts/DoubleExponentialFilter.cs b/JointOrientationBasics-Unity/Assets/JointOrientationBasics/Scripts/DoubleExponentialFilter.cs
index affc733..ceae110 100644
--- a/JointOrientationBasics-Unity/Assets/JointOrientationBasics/Scripts/DoubleExponentialFilter.cs
+++ b/JointOrientationBasics-Unity/Assets/JointOrientationBasics/Scripts/DoubleExponentialFilter.cs
@@ -316,11 +316,11 @@ public Joint GetFilteredJoint(Kinect.JointType jt)
         private bool JointPositionIsValid(Joint joint)
         {
             // if joint is 0 it is not valid.
-            bool posIsValid = joint.Position.Equals(Vector3.zero);
+            bool posIsValid = !joint.Position.Equals(Vector3.zero);
             //bool orientationIsValid = joint.Rotation.Equals(Helpers.QuaternionZero);
             bool orientationIsValid = true;
 
             return posIsValid && orientationIsValid;
         }
     }
-}
\ No newline at end of file
+}