public UIWall Pop()
{
UIWall uiWall = null;
if (inactiveWalls.Count == 0)
{
uiWall = new UIWall();
}
else
{
uiWall = inactiveWalls.Pop();
}
activeWalls.Add(uiWall);
return(uiWall);
}
public void Push(UIWall uiWall)
{
activeWalls.Remove(uiWall);
inactiveWalls.Push(uiWall);
}