private void Build()
 {
     if (Input.GetButtonDown("Fire1"))
     {
         if (go_Preview.GetComponent <PreviewObject>().isBuildable())
         {
             theQuickSlot.DecreaseSelectedItem(); // 슬롯 아이템 개수 -1
             GameObject temp = Instantiate(currentKit.kitPrefab, previewPos, Quaternion.identity);
             temp.name = currentKit.itemName;
             Destroy(go_Preview);
             currentKit = null;
             isPreview  = false;
         }
     }
 }
    private void DropAnItem(Slot _selectedSlot)
    {
        switch (_selectedSlot.item.itemType)
        {
        case Item.ItemType.Used:
            if (_selectedSlot.item.itemName.Contains("고기"))
            {
                Instantiate(_selectedSlot.item.itemPrefab, hitInfo.transform.position + Vector3.up, Quaternion.identity);
                theQuickSlot.DecreaseSelectedItem();
            }
            break;

        case Item.ItemType.Ingredient:
            break;
        }
    }