Controls how bones are rotated, translated, and scaled to match the path.
Rotate mode in the Spine User Guide.
@:value(cast 1)@:enum@:implinlineread onlyChain:RotateMode = 1
@:value(cast 2)@:enum@:implinlineread onlyChainScale:RotateMode = 2
@:value(cast 0)@:enum@:implinlineread onlyTangent:RotateMode = 0