private void MoveBackGroup(Transform parent, Transform switchToParent = null)
{
int numChildren = parent.childCount;
for (int i = 0; i < numChildren; i++)
{
UiItem item = parent.GetChild(i).gameObject.GetComponent <UiItem>();
if (item != null)
{
item.MoveBack();
if (switchToParent != null)
{
item.transform.parent = switchToParent;
}
}
else
{
Debug.LogError("UiManager try to MoveBackGroup a parent that has non-UiItem child");
}
}
}
