public void SwitchItemInHand()
        {
            GameObject next = inventory.GetNextItem();

            if (next != null)
            {
                if (itemInHand != null)
                {
                    itemInHand.gameObject.SetActive(false);
                    inventory.AddItem(itemInHand.gameObject);
                }
                next.SetActive(true);
                pickupManager.EquipeWeapon(next);
            }
        }