示例#1
0
        public static unsafe List <int> TesselateSimplePoly(List <Vector3d> inputList)
        {
            TriangleListOut.Clear();
            VertexList = inputList;

            //// fill the polygon
            //VertexList.Add(new Vector3d(0,0,0));
            //VertexList.Add(new Vector3d(20,0,0));
            //VertexList.Add(new Vector3d(0,20,0));
            //VertexList.Add(new Vector3d(20,20,0));


            IntPtr tess = gluNewTess();

            if (tess == null)
            {
                return(null);
            }
            // register the callbacks

            BeginDataEvent = new TessCallback(BeginData);
            EdgeFlagEvent  = new TessCallback(EdgeFlag);
            VertexEvent    = new TessCallback(Vertex);
            EndDataEvent   = new TessEndData(EndData);
            CombineEvent   = new TessCombine(Combine);
            ErrorEvent     = new TessCallback(GLU_ErrorEvent);

            gluTessCallback(tess, GLU_TESS_BEGIN_DATA, BeginDataEvent);
            gluTessCallback(tess, GLU_TESS_EDGE_FLAG_DATA, EdgeFlagEvent);
            gluTessCallback(tess, GLU_TESS_VERTEX_DATA, VertexEvent);
            gluTessCallback(tess, GLU_TESS_END_DATA, EndDataEvent);
            gluTessCallback(tess, GLU_TESS_COMBINE_DATA, CombineEvent);


            gluTessBeginPolygon(tess, IntPtr.Zero);

            gluTessBeginContour(tess);
            for (int i = 0; i < VertexList.Count; i++)
            {
                Vector3d v = VertexList[i];
                gluTessVertex(tess, new double[] { v.X, v.Y, v.Z }, i);
            }
            gluTessEndContour(tess);
            gluTessEndPolygon(tess);

            gluDeleteTess(tess);

            return(TriangleListOut);
        }
示例#2
0
        public static unsafe List<int> TesselateSimplePoly(List<Vector3d> inputList)
        {
            TriangleListOut.Clear();
            VertexList = inputList;

            //// fill the polygon
            //VertexList.Add(new Vector3d(0,0,0));
            //VertexList.Add(new Vector3d(20,0,0));
            //VertexList.Add(new Vector3d(0,20,0));
            //VertexList.Add(new Vector3d(20,20,0));

            IntPtr tess = gluNewTess();

            if (tess == null)
            {
                return null;
            }
            // register the callbacks

            BeginDataEvent = new TessCallback(BeginData);
            EdgeFlagEvent = new TessCallback(EdgeFlag);
            VertexEvent = new TessCallback(Vertex);
            EndDataEvent = new TessEndData(EndData);
            CombineEvent = new TessCombine(Combine);
            ErrorEvent = new TessCallback(GLU_ErrorEvent);

            gluTessCallback(tess, GLU_TESS_BEGIN_DATA, BeginDataEvent);
            gluTessCallback(tess, GLU_TESS_EDGE_FLAG_DATA, EdgeFlagEvent);
            gluTessCallback(tess, GLU_TESS_VERTEX_DATA, VertexEvent);
            gluTessCallback(tess, GLU_TESS_END_DATA, EndDataEvent);
            gluTessCallback(tess, GLU_TESS_COMBINE_DATA, CombineEvent);

            gluTessBeginPolygon(tess, IntPtr.Zero);

            gluTessBeginContour(tess);
            for (int i = 0; i < VertexList.Count; i++)
            {
                Vector3d v = VertexList[i];
                gluTessVertex(tess, new double[] { v.X, v.Y, v.Z }, i);
            }
            gluTessEndContour(tess);
            gluTessEndPolygon(tess);

            gluDeleteTess(tess);

            return TriangleListOut;
        }