Version: 5.5
public void CrossFade (string stateName, float transitionDuration, int layer= -1, float normalizedTime= float.NegativeInfinity);
public void CrossFade (int stateNameHash, float transitionDuration, int layer= -1, float normalizedTime= float.NegativeInfinity);

説明

IAnimatorControllerPlayable.CrossFade を参照してください。