void tweenComplete(TransitionItem item)
{
item.tweener = null;
item.completed = true;
_totalTasks--;
if (item.hook2 != null)
item.hook2();
if (item.type == TransitionActionType.XY || item.type == TransitionActionType.Size
|| item.type == TransitionActionType.Scale)
_owner.InvalidateBatchingState();
CheckAllComplete();
}