public void DoneServing()
{
/* When serving is done, hide SpeechBubble, destroy ticks gameobject and
* set CurrentCustomer moving to left */
if (customerList.GetChildCount() > 0)
{
customerList.CustomerLeaving();
speechBubble.Hide();
foodList.DestroyAllChildObject();
tickGroup.DestroyAllChildObject();
}
}
