internal void Disable(WhiteCoreODEPrim parent)
 {
     if (!m_enabled || m_type == Vehicle.TYPE_NONE)
         return;
     m_enabled = false;
     parent.ThrottleUpdates = true;
     parent.ForceSetVelocity(Vector3.Zero);
     parent.ForceSetRotVelocity(Vector3.Zero);
     parent.ForceSetPosition(parent.Position);
     d.BodySetGravityMode(Body, false);
     m_body = IntPtr.Zero;
     m_linearMotorDirection = Vector3.Zero;
     m_linearMotorDirectionLASTSET = Vector3.Zero;
     m_angularMotorDirection = Vector3.Zero;
 }