void Update()
{
if (_obOne != null)
{
if (_obOne.y >= game.height)
{
_obOne.LateDestroy();
_obOne = null;
}
}
if (_opCar != null)
{
if (_opCar.y >= game.height)
{
_opCar.LateDestroy();
_opCar = null;
}
}
}