unity人物动画和看向某一个物体demo

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class playerContorl : MonoBehaviour
{
    // Start is called before the first frame update
    public Transform target;
    private Animator animator;
    void Start()
    {
        animator = GetComponent<Animator>();
    }

    // Update is called once per frame
    void Update()
    {
        //获取水平轴
        float horizontal = Input.GetAxis("Horizontal");
        //获取垂直轴
        float vertical = Input.GetAxis("Vertical");
        //创建虚拟轴向量
        Vector3 dir = new Vector3(horizontal, 0, vertical);

        //判断向量是否为0
        if (dir != Vector3.zero)
        {
            //面向向量
            transform.rotation = Quaternion.LookRotation(dir);
            animator.SetBool("IsRun", true);
            transform.Translate(Vector3.forward * Time.deltaTime);
        }
        else
        {
            animator.SetBool("IsRun", false);
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        //Debug.Log("触发");
        animator.SetBool("wave", true);
        animator.SetBool("IsRun", true);
    }

    private void OnTriggerStay(Collider other)
    {
        //Debug.Log("持续触发");
    }

    private void OnTriggerExit(Collider other)
    {
        //Debug.Log("触发结束");
        animator.SetBool("wave", false);
       
    }

    void leftFoot()
    {
        Debug.Log("左脚");
    }

    void rightFoot()
    {
        Debug.Log("右脚");
    }

    //ik相关的写到这个方法内
    private void OnAnimatorIK(int layerIndex)
    {

        //设置ik权重和看向位置
        animator.SetLookAtWeight(1);
        animator.SetLookAtPosition(target.position);

        //设置右手ik权重
        animator.SetIKPositionWeight(AvatarIKGoal.RightHand, 1);
        //设置旋转权重
        animator.SetIKRotationWeight(AvatarIKGoal.RightHand, 1);
        //设置右手ik位置
        animator.SetIKPosition(AvatarIKGoal.RightHand, target.position);
        //设置右手ik旋转
        animator.SetIKRotation(AvatarIKGoal.RightHand,target.rotation);
    }

}