Unity 3D

   设置手机屏幕的正方向，

    void Awake()

    {

      //设置在home键的正右方  

      Screen.orientation = ScreenOrientation.LandscapeRight;

    }

    void Start () {

        //设置屏幕的自动摆放

        Screen.autorotateToLandscapeLeft = true;
        Screen.autorotateToLandscapeRight = true;
        Screen.autorotateToPortrait = false;
        Screen.autorotateToPortraitUpsideDown = false;
}