public void HandleCollision(IMario mario, Direction result)
 {
     if ((mario.MarioPowerupState is NormalMarioPowerupState ||
          mario.MarioPowerupState is SuperMarioPowerupState) &&
         !mario.IsStarMario())
     {
         SoundManager.Instance.PlaySoundEffect("marioPowerUp");
         mario.BeFire();
     }
 }