示例#1
0
        public static IndexedLineSet CreateFromVertexSet(List <Vertex> verticies)
        {
            IndexedLineSet ils;
            Coordinate     coord;

            Vector3[] points;
            int[]     indicies;
            int       i;

            ils   = new IndexedLineSet();
            coord = new Coordinate();

            points = verticies.Select(v => v.Position).ToArray();

            i        = -1;
            indicies = verticies.Select(v => ++ i).ToArray();

            coord.point = X3DTypeConverters.ToString(points);

            ils.coordIndex = X3DTypeConverters.ToString(indicies);
            ils.Children.Add(coord);
            ils.PrimativeType = PrimitiveType.Lines;

            return(ils);
        }
        private void RenderLines(RenderingContext rc)
        {
            if (_handle.NumVerticies3 > 0)
            {
                PrimitiveType prim;

                GL.UseProgram(CurrentShader.ShaderHandle);

                CurrentShader.SetFieldValue("lightingEnabled", 0);
                CurrentShader.SetFieldValue("headlightEnabled", 0);

                CurrentShader.SetFieldValue("size", size);
                CurrentShader.SetFieldValue("scale", scale);

                GL.LineWidth(8.0f); // todo: LineProperties

                prim = PrimitiveType.Lines;

                if (typeof(IndexedLineSet).IsInstanceOfType(geometry))
                {
                    IndexedLineSet ils = (IndexedLineSet)geometry;
                    prim = ils.PrimativeType;
                }
                if (typeof(LineSet).IsInstanceOfType(geometry))
                {
                    LineSet ls = (LineSet)geometry;
                    prim = ls.PrimativeType;
                }

                GL.BindBuffer(BufferTarget.ArrayBuffer, _handle.vbo3);
                Buffering.ApplyBufferPointers(CurrentShader);
                GL.DrawArrays(prim, 0, _handle.NumVerticies3);


                GL.UseProgram(0);
                GL.LineWidth(1.0f);
            }
        }