when i try to import a collada animation from maya with joints and skins i have these errors:
WARNING: Could not find a transform with SID=visibility
WARNING: Could not find a transform with SID=visibility
WARNING: Could not find a transform with SID=visibility2
WARNING: Could not find a transform with SID=visibility3
INFO: animations COMPLETE (#channels: 0 #frames: 0, startTime: 0 endTime: 0)
The smoothness of animation is going to depend on the sampling frequency and the interpolation function used. Check your plug-in options for animation baking and re-sampling.