public void Update() { if (Status != StatusChecking) { return; } // 更新WaitingImage: if (WaitingImage) { var tr = WaitingImage.transform; var curAngle = tr.rotation.eulerAngles.z; var destAngle = curAngle - (360f / WaitingRotateTime) * Time.deltaTime; if (destAngle < 0) { destAngle += 360f; } tr.rotation = Quaternion.Euler(0, 0, destAngle); } // 检查图片是否已经存在。 if (!ContentImage) { return; } if (Time.time - LastCheckTime < _checkInterval) { return; } LastCheckTime = Time.time; Sprite sprite; if (_downLoadByUrl) { sprite = _resourceCache.LoadSpriteFromLocalFile(PicName); } else { if (string.IsNullOrEmpty(ResourcePath)) { MyLog.ErrorWithFrame(name, "从图片名找不到Assetbundle :" + PicName); return; } sprite = _resource.GetResource <Sprite>(ResourcePath, PicName); if (sprite) { _resourceCache.AddSpriteToCache(PicName, sprite); } } if (sprite) { ContentImage.sprite = sprite; if (NativeSize) { ContentImage.SetNativeSize(); } SwitchToStatus(StatusComplete); } }