void OnTriggerEnter2D(Collider2D collider)
 {
     if (collider.gameObject.layer == LayerMask.NameToLayer(Definitions.character_layer) ||
         collider.gameObject.layer == LayerMask.NameToLayer(Definitions.deadCharacter_layer))
     {
         Score.AddCookie();
         GameObject.Destroy(gameObject);
     }
 }