void onPurchaseClick()
{
if (_lockedItems.Length == 0)
{
return;
}
Unlockable item = _lockedItems[_currentSelectedItem];
if (Currency.GetCurrency() >= item.Price)
{
//UnlockManager.instance.Unlo
Currency.RemoveCurrency(item.Price);
um.UnlockItem(item);
RefreshItems();
}
}