Unity实现鼠标或者手指点击模型播放动画

using UnityEngine;
using System.Collections;
 
public class ClickPlayAnimation : MonoBehaviour {
  /// <summary>
  /// 实现功能为点击模型播放动画
  /// 使用方法，给模型添加碰撞，添加脚本
  /// </summary>
  
  bool isPlayAnim = false;
 // Use this for initialization
 void Start () {
 
 }
 
 // Update is called once per frame
 void Update () {
    //animation.Play();
    if (Application.platform == RuntimePlatform.IPhonePlayer || Application.platform == RuntimePlatform.Android)
    {
       foreach (Touch touch in Input.touches)
      {
        if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Began || Input.GetTouch(0).phase == TouchPhase.Moved)
        {
          Ray ray = Camera.main.ScreenPointToRay(new Vector3(touch.position.x, touch.position.y, 0));
          RaycastHit hit;
 
          if (Physics.Raycast(ray, out hit))
          {
            // Debug.DrawLine(ray.origin, hit.point);
            if (hit.collider.gameObject.name == gameObject.name)
            {
              isPlayAnim = true;
              print("123");
            }
          }
        }
      }
    }
    else 
    {
      if (Input.GetMouseButtonDown(0))
      {
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        RaycastHit hit;
 
        if (Physics.Raycast(ray, out hit))
        {
          Debug.DrawLine(ray.origin, hit.point);
          //print(hit.collider.gameObject.name);
 
          //curObject = hit.collider.gameObject;
          if (hit.collider.gameObject.name == gameObject.name)
          {
            isPlayAnim = true;
            print("123");
          }
          // 显示当前选中对象的名称
         // print(hit.collider.gameObject);
        }
 
      }
    }
    
    if(isPlayAnim)
    {
      animation.Play();
      isPlayAnim = false;
    }
 
 }
  
}