Merge pull request #565 from BabylonJS/drigax/fixEulerToQuaternionConversion

Maya node rotation animation export is incorrect.

Author: Drigax

Maya/Exporter/BabylonExporter.Animation.cs

@@ -305,11 +305,12 @@ private List<BabylonAnimation> GetAnimation(MFnTransform transform)
                     foreach (var babylonAnimationKey in babylonAnimationKeys)
                     {
                         BabylonVector3 eulerAngles = BabylonVector3.FromArray(babylonAnimationKey.values);
-                        BabylonQuaternion quaternionAngles = eulerAngles.toQuaternion();
+                        BabylonVector3 eulerAnglesRadians = eulerAngles * (float)(Math.PI / 180);
+                        BabylonQuaternion quaternionAngles = eulerAnglesRadians.toQuaternion();
                         babylonAnimationKey.values = quaternionAngles.ToArray();
                     }
                 }
-
+                
                 var keysFull = new List<BabylonAnimationKey>(babylonAnimationKeys);
 
                 // Optimization

SharedProjects/BabylonExport.Entities/BabylonVector3.cs

@@ -59,7 +59,7 @@ public BabylonQuaternion toQuaternion()
 
         /**
          * (Copy pasted from babylon)
-         * Sets the passed quaternion "result" from the passed float Euler angles (y, x, z).  
+         * Sets the passed quaternion "result" from the passed float Euler angles (radians) (y, x, z).
          */
         private BabylonQuaternion RotationYawPitchRollToRefBabylon(float yaw, float pitch, float roll)
         {