// 판매 아이템 목록에 아이템 추가. public void SellNewItem(Item item, int level = 0, params ItemCost[] itemCosts) { ShopSlot slot = Instantiate <ShopSlot>(slotPrefab); slot.transform.SetParent(slotRoot); slot.transform.localScale = Vector3.one; slot.SetItem(item, level, itemCosts); }