U3d 粒子自动销毁

using System.Collections;using System.Collections.Generic;using UnityEngine;//挂在最上层的粒子上，自己和下边的粒子全部播放结束，删除public class des : MonoBehaviour{    ParticleSystem[] particles;    void Start()    {        particles = GetComponentsInChildren<ParticleSystem>();    }    void Update()    {        bool allStop = true;        foreach (var par in particles)        {            if (par.isPlaying)            {                allStop = false;                break;            }        }        if (allStop)        {            Destroy(this.gameObject);        }    }}