private void getTessellation()
{
try
{
primList.Clear();
primTypes.Clear();
System.Collections.ArrayList pointList = new ArrayList();
for (int i = 0; i < m_outerRing.Points.Length; i++)
{
double[] p = new double[3];
p[0] = m_outerRing.Points[i].X;
p[1] = m_outerRing.Points[i].Y;
p[2] = m_outerRing.Points[i].Z;
pointList.Add(p);
}
Glu.GLUtesselator tess = Glu.gluNewTess();
Glu.gluTessCallback(tess, Glu.GLU_TESS_BEGIN, new Glu.TessBeginCallback(b));
Glu.gluTessCallback(tess, Glu.GLU_TESS_END, new Glu.TessEndCallback(e));
Glu.gluTessCallback(tess, Glu.GLU_TESS_ERROR, new Glu.TessErrorCallback(r));
Glu.gluTessCallback(tess, Glu.GLU_TESS_VERTEX, new Glu.TessVertexCallback(f));
Glu.gluTessBeginPolygon(tess, IntPtr.Zero);
Glu.gluTessBeginContour(tess);
for (int i = 0; i < pointList.Count - 1; i++)
{
double[] p = (double[])pointList[i];
Glu.gluTessVertex(tess, p, p);
}
Glu.gluTessEndContour(tess);
if (m_innerRings != null && m_innerRings.Length > 0)
{
for (int i = 0; i < m_innerRings.Length; i++)
{
Glu.gluTessBeginContour(tess);
for (int j = m_innerRings[i].Points.Length - 1; j >= 0; j--)
{
double[] p = new double[3];
p[0] = m_innerRings[i].Points[j].X;
p[1] = m_innerRings[i].Points[j].Y;
p[2] = m_innerRings[i].Points[j].Z;
Glu.gluTessVertex(tess, p, p);
}
Glu.gluTessEndContour(tess);
}
}
Glu.gluTessEndPolygon(tess);
}
catch (Exception ex)
{
Log.Write(ex);
}
}
//4. function to set callback
// stores the address of external callback delegate, but gives to OpenGL the address of the internal one
public static void gluTessCallback([In] Glu.GLUtesselator tess, int which, [In] TessCombineCallback_2 func)
{
unsafe
{
newTessCombineCallback = func;
internalCombCB = new IntTessCombCB(InternalTessCombineCallback);
__gluTessCallback(tess, which, internalCombCB);
}
}
// --- Application Methods ---
#region Init()
private static void Init()
{
Gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
Gl.glShadeModel(Gl.GL_FLAT);
tess = Glu.gluNewTess();
Glu.gluTessCallback(tess, Glu.GLU_TESS_VERTEX, new Glu.TessVertexCallback1(Gl.glVertex3dv));
Glu.gluTessCallback(tess, Glu.GLU_TESS_BEGIN, new Glu.TessBeginCallback(Begin));
Glu.gluTessCallback(tess, Glu.GLU_TESS_END, new Glu.TessEndCallback(End));
Glu.gluTessCallback(tess, Glu.GLU_TESS_ERROR, new Glu.TessErrorCallback(Error));
Glu.gluTessCallback(tess, Glu.GLU_TESS_COMBINE, new Glu.TessCombineCallback1(Combine));
list = Gl.glGenLists(4);
MakeNewLists();
}
public void tesselate(bool closed)
{
Glu.GLUtesselator tess = Glu.gluNewTess();
gluTessNew.gluTessCallback(tess, Glu.GLU_TESS_VERTEX, new gluTessNew.TessVertexCallback_2(tessVertex));
gluTessNew.gluTessCallback(tess, Glu.GLU_TESS_COMBINE, new gluTessNew.TessCombineCallback_2(tessCombine));
Glu.gluTessCallback(tess, Glu.GLU_TESS_BEGIN, new Glu.TessBeginCallback(Begin));
Glu.gluTessCallback(tess, Glu.GLU_TESS_END, new Glu.TessEndCallback(End));
//Glu.gluTessCallback(tess, Glu.GLU_TESS_ERROR, new Glu.TessErrorCallback(Error));
this.displayList = Gl.glGenLists(1);
Gl.glNewList(displayList, Gl.GL_COMPILE);
Glu.gluTessBeginPolygon(tess, IntPtr.Zero);
Glu.gluTessBeginContour(tess);
double[][] vert = new double [array.Count][];
int q;
for (q = 0; q < array.Count; q++)
{
vert[q] = new double [3];
Vector2f ve = (Vector2f)array[q];
vert[q][0] = ve.X;
vert[q][1] = ve.Y;
vert[q][2] = 0;
Glu.gluTessVertex(tess, vert[q], vert[q]);
}
Glu.gluTessEndContour(tess);
Glu.gluEndPolygon(tess);
Gl.glEndList();
if (closed == false)
{
array.Remove(array[array.Count - 1]);
array.Remove(array[array.Count - 1]);
}
render(true);
}
// --- Application Methods ---
#region Init()
private static void Init() {
Gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
Gl.glShadeModel(Gl.GL_FLAT);
tess = Glu.gluNewTess();
Glu.gluTessCallback(tess, Glu.GLU_TESS_VERTEX, new Glu.TessVertexCallback1(Gl.glVertex3dv));
Glu.gluTessCallback(tess, Glu.GLU_TESS_BEGIN, new Glu.TessBeginCallback(Begin));
Glu.gluTessCallback(tess, Glu.GLU_TESS_END, new Glu.TessEndCallback(End));
Glu.gluTessCallback(tess, Glu.GLU_TESS_ERROR, new Glu.TessErrorCallback(Error));
Glu.gluTessCallback(tess, Glu.GLU_TESS_COMBINE, new Glu.TessCombineCallback1(Combine));
list = Gl.glGenLists(4);
MakeNewLists();
}
private static extern unsafe void __gluTessCallback(Glu.GLUtesselator tess, int which, IntTessCombCB cb);
