Animator.GetBehaviour 获得行为

public T GetBehaviour();

描述：

返回匹配类型T或派生自T的首个状态机行为，如果没有找到返回null。

    public class RunBehaviour : StateMachineBehaviour {

        // OnStateUpdate is called at each Update frame between OnStateEnter and OnStateExit callback
        override public void OnStateUpdate(Animator animator, AnimatorStateInfo stateInfo, int layerIndex) 
        {
            if (animator.GetComponent<Recorder>().enabled && !animator.GetComponent<Recorder>().isRecording) return;

            Transform transform = animator.GetComponent<Transform>();

            RaycastHit hitInfo;
            Vector3 dir = transform.TransformDirection(Vector3.forward);
            if (Physics.Raycast(transform.position + new Vector3(0, 1.5f, 0), dir, out hitInfo, 10))
            {
                if (hitInfo.collider.tag == "Obstacle")
                {
                    animator.GetBehaviour<SlideBehaviour>().target = transform.position + 1.25f * hitInfo.distance * dir;
                    if(hitInfo.distance < 6)
                        animator.SetTrigger("Slide");
                }
            }
        }
    }

    public class SlideBehaviour : StateMachineBehaviour {

        public Vector3 target;

        public float slideMatchTargetStart = 0.11f;
        public float slideMatchTargetStop = 0.40f;

        // OnStateUpdate is called at each Update frame between OnStateEnter and OnStateExit callback
        override public void OnStateUpdate(Animator animator, AnimatorStateInfo stateInfo, int layerIndex) {
            animator.MatchTarget(target, new Quaternion(), AvatarTarget.Root, new MatchTargetWeightMask(new Vector3(1, 0, 1), 0), slideMatchTargetStart, slideMatchTargetStop);
        }
    }