public static void Process()
        {
            // get the singleton
            CollisionPairManager pInstance = CollisionPairManager.PrivGetInstance();

            CollisionPair pColPair = (CollisionPair)pInstance.BaseGetActive();

            while (pColPair != null)
            {
                // set the current active
                pInstance.pActiveColPair = pColPair;

                // do the check for a single pair
                pColPair.Process();

                // advance to next
                pColPair = (CollisionPair)pColPair.GetNext();
            }
        }