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;
        }
    }