public void ShowLooseScreen()
 {
     active_screen?.HideTheScreen();
     loose_screen?.ShowTheScreen();
     active_screen = loose_screen;
 }
 public void ShowWinScreen()
 {
     active_screen?.HideTheScreen();
     win_screen?.ShowTheScreen();
     active_screen = win_screen;
 }
 public void ShowStartScreen()
 {
     active_screen?.HideTheScreen();
     start_screen?.ShowTheScreen();
     active_screen = start_screen;
 }