Unity 异步加载进度条

 public class View_LoadingScene : MonoBehaviour
     {
         //场景加载进度条对象
         public GameObject loadingProgressBar;
         //进度条组件
         private Slider _loadingProgressBarComp;
         //当前进度值
         private float _curProgressValue = 0f;
 
         private AsyncOperation _asyncOp;
         private void Awake()
         {
             if(loadingProgressBar != null)
             {
                 //获取进度条组件
                 _loadingProgressBarComp = loadingProgressBar.GetComponent<Slider>();
             }
         }
         private void Start()
         {
 
             StartCoroutine("LoadingLevelAsync");
         }
         private void Update()
         {
             //模拟加载进度
             if(_loadingProgressBarComp.value <= 1f)
             {
                 SimulateLoad();
             }
             _loadingProgressBarComp.value = _curProgressValue;
 
         }
 
         private void SimulateLoad()
         {
             _curProgressValue += 0.01f;
         }
 
         //异步加载核心函数
         IEnumerator LoadingLevelAsync()
         {
             _asyncOp = SceneManager.LoadSceneAsync("2_LogonScene");
             _curProgressValue = _asyncOp.progress;
             yield return _asyncOp;
         }
     }