void Update()
{
for (int i = ownedItems.Count - 1; i >= 0; i--)
{
ItemBase item = ownedItems[i];
if (item.State == ItemBase.ItemState.Using)
{
item.OnUsing();
}
else if (item.State == ItemBase.ItemState.Consumed && item.CheckIfFinished())
{
item.ClearEffects();
ownedItems.Remove(item);
Destroy(item);
}
else
{
item.UpdateEffects();
}
}
}