void VehicleAddRotationalImpulse(Vector3 pImpulse)
{
if ((m_knownHas & m_knownChangedRotationalImpulse) == 0)
{
m_knownRotationalImpulse = Vector3.Zero;
m_knownHas |= m_knownChangedRotationalImpulse;
}
m_knownRotationalImpulse += pImpulse;
m_knownChanged |= m_knownChangedRotationalImpulse;
}