/// <summary>Adds this instance to the update queue.</summary>
public void enqueue()
{
if (enqueued)
{
return;
}
enqueued = true;
after = null;
before = last;
if (first == null)
{
first = last = this;
// Enqueue in the update system:
updater = OnUpdate.Add(updateAll);
}
else
{
last.after = this;
last = this;
}
}
