unity加載場景不刪除

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

public class DontDestroyOnLoad : MonoBehaviour {

//加載場景時不銷毀的物體
public GameObject[] DontDestroyObjects;

//是否已經存在DontDestroy的物體
private static bool isExist;

//-------------------------------------------------------------------------------

void Awake()
{
if (!isExist)
{
for (int i = 0; i < DontDestroyObjects.Length; i++)
{
//如果第一次加載，將這些物體設為DontDestroy
DontDestroyOnLoad(DontDestroyObjects[i]);
}

isExist = true;
}
else
{
for (int i = 0; i < DontDestroyObjects.Length; i++)
{
//如果已經存在，則刪除重復的物體
Destroy(DontDestroyObjects[i]);
}
}
}

//-------------------------------------------------------------------------------
}