private void OnCollisionEnter2D(Collision2D collision)
 {
     if (collision.FromPlayer())
     {
         if (slot == null)
         {
             SaveManager.Instance.CreateNewSave(slotNumber);
         }
         else
         {
             GameManager.Instance.LoadGameSlot(SaveManager.Instance.GameSlots[slotNumber - 1]);
             GameManager.Instance.LoadDungeon();
         }
     }
 }