private IEnumerator ServeCard()
{
//wait until all card GameObject are instantiated
yield return(new WaitWhile(() => SpawnController.Instance.cardToSpawn.Count < 52));
//serve progressively the card on the table
for (int i = 0; i < bottomStacks.Count; i++)
{
for (int j = 0; j < i + 1; j++)
{
//set the y and z offset for the current card to serve on table
float currentYLocalOffset = yLocalOffset * j;
float currentZLocalOffset = zLocalOffset * (j + 1);
//get the current card to serve on table
CardController cardController = SpawnController.Instance.cardToSpawn[j];
GameObject cardGameObject = cardController.gameObject;
//Remove served card form deck
SpawnController.Instance.cardToSpawn.Remove(cardController);
//set the new parent for the current card to serve on table
cardGameObject.transform.SetParent(bottomStacks[i].transform);
//calculate the offset in world coordinates
Vector3 offsetVector = bottomStacks[i].transform.TransformVector(0, currentYLocalOffset, currentZLocalOffset);
//set the new position of the card
Vector3 newPosition = bottomStacks[i].transform.position - offsetVector;
//set canvas sorting order of
cardController.SetOverrideCanvasSortingOrder((int)currentZLocalOffset, false);
//coroutine to move gradually card to new position
cardController.MoveToPosition(newPosition);
//set flag to make card discovered if is last of the list
if (j == i)
{
cardController.SetIsCovered(false);
cardController.SetIsMovable(true);
bottomStacks[i].lastCardController = cardController;
}
yield return(new WaitForSeconds(waitTimeForServe));
cardController.CheckCovered();
}
}
}