Unity 屏幕粒子生成

using QFramework;
using UnityEngine;

public class ParticleMsg : MonoSingleton
{
    public int indexPre = 0;
    public GameObject[] effectGo; // 粒子特效预设体数组

    Vector3 point; // 保存粒子生成的初始坐标

  
    /// 

    /// 
    /// 
    ///  粒子生成坐标
    /// 生成的粒子下标
    /// 生成的粒子生命周期
    public void BubbleSpawn(Vector2 spawnPos, int index, float lifeTimer)
    {
        point = new Vector3(spawnPos.x, spawnPos.y, 1f);//获得鼠标点击点
        point = GameObject.Find("UICamera").GetComponent().ScreenToWorldPoint(point);//从屏幕空间转换到世界空间
        GameObject go = Instantiate(effectGo[index], transform, true);
        go.transform.localPosition = point;
        Destroy(go, lifeTimer);
    }


    // 传一个UI Recttransform 生成屏幕粒子
    pu