private AddVertex ( double x, double y, int data ) : bool | ||
x | double | |
y | double | |
data | int | |
Результат | bool |
public float[] TessPolygon(float[] vertex2dCoords, int[] contourEndPoints, out int areaCount) { vertexts.Clear();//reset // int ncoords = vertex2dCoords.Length / 2; if (ncoords == 0) { areaCount = 0; return(null); } int nn = 0; for (int i = 0; i < ncoords; ++i) { vertexts.Add(new Vertex(vertex2dCoords[nn++], vertex2dCoords[nn++])); } //----------------------- tessListener.Reset(vertexts); //----------------------- tess.BeginPolygon(); int nContourCount = contourEndPoints.Length; int beginAt = 0; for (int m = 0; m < nContourCount; ++m) { int thisContourEndAt = (contourEndPoints[m] + 1) / 2; tess.BeginContour(); for (int i = beginAt; i < thisContourEndAt; ++i) { Vertex v = vertexts[i]; tess.AddVertex(v.m_X, v.m_Y, 0, i); } beginAt = thisContourEndAt + 1; tess.EndContour(); } tess.EndPolygon(); //----------------------- List <Vertex> vertextList = tessListener.resultVertexList; //----------------------------- //switch how to fill polygon int j = vertextList.Count; float[] vtx = new float[j * 2]; int n = 0; for (int p = 0; p < j; ++p) { var v = vertextList[p]; vtx[n] = (float)v.m_X; vtx[n + 1] = (float)v.m_Y; n += 2; } //triangle list areaCount = j; return(vtx); }
public void ParseStreamForTesselator(Tesselate.Tesselator tesselator, int instructionStreamIndex) { m_VertexList.Clear(); m_CurrentOutput = 0; string[] instructionStream = m_InsructionStream[instructionStreamIndex]; for (int curInstruction = 0; curInstruction < instructionStream.Length; curInstruction++) { switch (instructionStream[curInstruction]) { case "BP": tesselator.BeginPolygon(); break; case "BC": tesselator.BeginContour(); break; case "V": double x = Convert.ToDouble(instructionStream[curInstruction + 1]); double y = Convert.ToDouble(instructionStream[curInstruction + 2]); curInstruction += 2; double[] coords = new double[3]; coords[0] = x; coords[1] = y; tesselator.AddVertex(coords, m_VertexList.Count); m_VertexList.Add(new Vertex(x, y)); break; case "EC": tesselator.EndContour(); break; case "EP": tesselator.EndPolygon(); break; default: throw new Exception(); } } }
/// <summary> /// Renders out the junction shape to the screen. /// </summary> private void CreateJunctionShape() { // Create the AGG tesselator and set it up Tesselator tess = new Tesselator(); tess.callCombine += OnTesselatorCombine; tess.callVertex += OnVertex; tess.callMesh += OnMesh; tess.callBegin += OnTesselatorBegin; tess.callEnd += OnTesselatorEnd; // Go through the junction's internal shape IPoly poly = State.JunctionManager.Junction.Shape; renderPoints.Clear(); tess.BeginPolygon(); tess.BeginContour(); for (int i = 0; i < poly.PointCount; i++) { // Get the point PointF p = new PointF( (float) poly.GetX(i), (float) poly.GetY(i)); // Add the vertex with the index it will have when we // refer to it later. tess.AddVertex( new double [] { p.X, p.Y, 0 }, renderPoints.Count); // Create the center renderPoints.Add(p); } // Finish up the polygon, which renders the rendering // commands //Log.Info("Tesselating {0} points", renderPoints.Count); tess.EndContour(); tess.EndPolygon(); }
public void ParseStreamForTesselator(Tesselate.Tesselator tesselator, int instructionStreamIndex) { m_VertexList.Clear(); m_CurrentOutput = 0; string[] instructionStream = m_InsructionStream[instructionStreamIndex]; for (int curInstruction = 0; curInstruction < instructionStream.Length; curInstruction++) { switch (instructionStream[curInstruction]) { case "BP": tesselator.BeginPolygon(); break; case "BC": tesselator.BeginContour(); break; case "V": double x = Convert.ToDouble(instructionStream[curInstruction + 1]); double y = Convert.ToDouble(instructionStream[curInstruction + 2]); curInstruction += 2; tesselator.AddVertex(x, y, 0, m_VertexList.Count); m_VertexList.Add(new Vertex(x, y)); break; case "EC": tesselator.EndContour(); break; case "EP": tesselator.EndPolygon(); break; default: throw new Exception(); } } //--------------- //test //------------------ //int a = m_VertexList.Count; ////test draw //Bitmap bmp = new Bitmap(300, 300); //Graphics g = Graphics.FromImage(bmp); //g.Clear(Color.White); //int j = m_VertexList.Count; //int lim = j - 1; //for (int i = 0; i < lim; i++) //{ // var v1 = m_VertexList[i]; // var v2 = m_VertexList[i + 1]; // g.DrawLine(Pens.Black, // new PointF((float)v1.m_X, (float)v1.m_Y), // new PointF((float)v2.m_X, (float)v2.m_Y)); //} //g.Dispose(); //bmp.Save("tess" + (totalSampleCount++) + ".bmp"); }