public void UnExecute()
{
foreach (var track in m_pkg.Tracks)
{
Helmet hmd = m_helmets.First(h => h.id == track.id);
hmd.TurnBack();
hmd.color = m_oldColors.Pop();
if (m_addedHelmets.Count > 0 && m_addedHelmets.Peek() == hmd)
{
m_addedHelmets.Pop();
hmd.ResetHelmet();
m_helmets.Remove(hmd);
m_helmetsPool.Despawn(hmd.gameObject);
}
}
}