Utility functions for Skeleton, SkinnedMesh, and Bone manipulation.
Clones the given object and its descendants, ensuring that any SkinnedMesh instances are correctly associated with their bones. Bones are also cloned, and must be descendants of the object passed to this method. Other data, like geometries and materials, are reused by reference.
For more info on how to obtain the source code of this module see this page.