StaticassignAssigns animations from a GLTF file to the objects in the scene.
This method will look for objects in the scene that have animations and assign them to the correct objects.
The GLTF file to assign the animations from
Optionalopts: {StatictryTries to get the animation actions from an animation mixer.
The animation mixer to get the actions from
The actions or null if the mixer is invalid
StatictryOptionaltarget: AnimationClip[]
Utility class for working with animations.