unity3d之切换场景不销毁物体

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 /// <summary>
 /// 背景音乐脚本
 /// </summary>
 public class AudioBackground : MonoBehaviour {

     static AudioBackground StaticObject;

     private bool LastMusicOn = true;

     void Start()
     {

     }
     public static AudioBackground instance
     {
         get
         {
             if (StaticObject == null)
             {
                 StaticObject = FindObjectOfType<AudioBackground>();
                 DontDestroyOnLoad(StaticObject.gameObject);
             }
             return StaticObject;
         }
     }
     void Awake()
     {
         if (StaticObject == null)
         {
             StaticObject = this;
             DontDestroyOnLoad(this);
         }
         else if (this != StaticObject)
         {
             Destroy(gameObject);
         }

     }
     void Update()
     {
         if (MainController.musicOn != LastMusicOn)
         {
             LastMusicOn = MainController.musicOn;
             OnMusicChanged();
         }
     }
     private void OnMusicChanged()
     {
         if (MainController.musicOn)
         {
             gameObject.GetComponent<AudioSource>().Play();
         }
         else
         {
             gameObject.GetComponent<AudioSource>().Pause();
         }
     }
 }