Returns an AnimationAction for the passed clip.
Stops all active actions on this mixer.
Advances the animation time and evaluates tracks. Actions targeting the same bone/property
simultaneously (e.g. during a crossfade) are blended by their relative weight rather than
having the last-evaluated action simply overwrite the others.
Elapsed time in seconds.
The AnimationMixer is the player for animations on a particular object in the scene.