TriangleNet.Tools.QuadNode.AddToRegion C# (CSharp) Method

        void AddToRegion(int index, int region)
        {
            //if (!(m_bitRegions & BITVECTOR[region]))
            if ((bitRegions & BITVECTOR[region]) == 0)
            {
                regions[region].triangles.Add(index);
                bitRegions |= BITVECTOR[region];
            }
        }