//点击屏幕自对对焦

#if UNITY_EDITOR

        if(!EventSystem.current.IsPointerOverGameObject()&&Input.GetMouseButtonUp())

#elif UNITY_ANDROID || UNITY_IPHONE

        if (!EventSystem.current.IsPointerOverGameObject()&& Input.touchCount >  && Input.GetTouch().phase == TouchPhase.Began)

#endif

        {

            Vuforia.CameraDevice.Instance.SetFocusMode(Vuforia.CameraDevice.FocusMode.FOCUS_MODE_CONTINUOUSAUTO);

        }