Merge pull request #239 from Unity-Technologies/UNI-31678-maya-incorrect-scaling

Uni 31678 fix incorrect scaling in Maya

Author: inwoods

Assets/FbxExporters/Editor/FbxExporter.cs

@@ -948,6 +948,13 @@ protected int ExportComponents (
                     return -1;
                 }
 
+                // Default inheritance type in FBX is RrSs, which causes scaling issues in Maya as
+                // both Maya and Unity use RSrs inheritance by default.
+                // Note: MotionBuilder uses RrSs inheritance by default as well, though it is possible
+                //       to select a different inheritance type in the UI.
+                // Use RSrs as the scaling inhertiance instead.
+                fbxNode.SetTransformationInheritType (FbxTransform.EInheritType.eInheritRSrs);
+
                 fbxNode.SetVisibility (unityGo.activeSelf);
 
                 ExportTransform ( unityGo.transform, fbxNode, newCenter, exportType);