static public void Remove(Action callback)
{
EnterFrame.init();
int i = callbacks.Count - 1;
while (i >= 0)
{
if (callbacks[i] == callback)
{
callbacks.RemoveAt(i);
}
i--;
}
if (callbacks.Count == 0)
{
tick.running.Value = false;
}
}
static public void AddAt(Action callback, int index)
{
EnterFrame.init();
tick.running.Value = true;
callbacks.Insert(index, callback);
}
static public void Add(Action callback)
{
EnterFrame.init();
tick.running.Value = true;
callbacks.Add(callback);
}