public void Stop()
{
StopTimer();
m_running = false;
m_isCrossing = false;
m_waitingCrossing = false;
m_basePosition = m_group.AbsolutePosition;
m_baseRotation = m_group.GroupRotation;
m_group.RootPart.Velocity = Vector3.Zero;
m_group.RootPart.AngularVelocity = Vector3.Zero;
m_group.SendGroupRootTerseUpdate();
// m_group.RootPart.ScheduleTerseUpdate();
m_frames.Clear();
}