public void HideAll()
 {
     active_screen = null;
     start_screen.HideTheScreen();
     loose_screen.HideTheScreen();
     win_screen.HideTheScreen();
 }
 public void ShowStartScreen()
 {
     active_screen?.HideTheScreen();
     start_screen?.ShowTheScreen();
     active_screen = start_screen;
 }
 private void Start()
 {
     ShowStartScreen();
     loose_screen?.HideTheScreen();
     win_screen?.HideTheScreen();
 }