unity分辨率、窗口化

void Update()
{
        //按A全屏
        if (Input.GetKey(KeyCode.A))
        {
            Screen.SetResolution(1366, 768, true);  //设置分辨率

            Screen.fullScreen = true;  //设置成全屏,
        }
        //  按ESC退出全屏
        if (Input.GetKey(KeyCode.Escape))
        {
            Screen.fullScreen = false;  //退出全屏         

        }  
}