NGUI全屏背景

NGUI全屏背景：

  LoginPanel_bg = GetCompomentByName(transform, "LoginPanel_bg").GetComponent<UIStretch>();

  LoginPanel_bg.initialSize = new Vector2(Screen.width, Screen.height);

  LoginPanel_bg.style = UIStretch.Style.FitInternalKeepingRatio;

NGUI 景深效果

右击导入ImageEffects包，然后在Component下的ImageEffects找DepthOfField]