/// <summary>Called when [trigger stay2 d].</summary>
/// <param name="obj">The object.</param>
public void OnTriggerStay2D(Collider2D obj)
{
if (obj.CompareTag("Player") && !isOpen)
{
keyChain = obj.GetComponent <Keychain>();
if (keyChain.CanSpendAKey())
{
canOpen = true;
}
keyChain.ActiveUI();
warningNeedKey.SetActive(true);
}
else
{
canOpen = false;
}
}