private void BackAddIndex(uint i)
 {
     if (Cache)
     {
         m_BackCache.Push(i, true);
     }
 }
        private void AddIndex(uint i, bool NotSimulation)
        {
            if (Cache)
            {
                m_Cache.Push(i, !NotSimulation);
            }

            if (NotSimulation)
            {
                m_PrimitivesVector[m_PrimitivesVector.Count - 1].Indices.Add(i);
            }
        }