private void Update()
 {
     if (Input.GetKeyDown(KeyCode.Q))
     {
         RotateAndZoomManager.StartCameraZoom(center, 2, 10);
         RotateAndZoomManager.StartCameraAroundCenter(center);
     }
     if (Input.GetKeyDown(KeyCode.W))
     {
         RotateAndZoomManager.StopCameraAroundCenter();
         RotateAndZoomManager.StopCameraZoom();
     }
 }
 /// <summary>
 /// 关闭相机围绕某个中心旋转
 /// </summary>
 public static void StopCameraAroundCenter()
 {
     RotateAndZoomManager.StopCameraAroundCenter();
 }