// Removes an IPGameObject from the manager if it exists
public static void RemoveIPGameObject(IPGameObject obj)
{
if (gameObjects.Contains(obj))
gameObjects.Remove(obj);
}
// This is called by each IPGameObject when it starts up. It adds the object
// to the manager if it is not already there.
public static void AddIPGameObject(IPGameObject obj)
{
if (!gameObjects.Contains(obj))
gameObjects.Add(obj);
}
