public static void Triangulate <V>(Tesselator <V> tess, Outline <V> outline, vToLoc <V, double[]> vertexToLocation)
{
bool inContour = false;
tess.BeginPolygon();
for (int i = 0; i < outline.Size; ++i)
{
if (outline.Types[i] == Outline <V> .PathType.MoveTo) // new contour
{
if (inContour)
{
tess.EndContour();
}
tess.BeginContour();
inContour = true;
}
V v = outline.Path[i];
tess.AddVertex(vertexToLocation(v), v);
}
if (inContour)
{
tess.EndContour();
}
tess.EndPolygon();
}
public static Mesh Triangulate(Polygon p)
{
Tesselator <Vertex> tess = new Tesselator <Vertex> (Vertex.Combine);
Mesh m = Triangulate(tess, p);
tess.Dispose();
return(m);
}
public static Mesh TriangulateVerbose(Polygon p)
{
Tesselator <Vertex> tess = new Tesselator <Vertex> (Vertex.Combine);
tess.BeginEv += verboseBegin;
tess.EndEv += verboseEnd;
tess.CombineEv += verboseCombine;
tess.EdgeFlagsEv += verboseEdgeFlag;
tess.VertexEv += verboseVertex;
tess.ErrorEv += verboseError;
Mesh m = Triangulate(tess, p);
tess.Dispose();
return(m);
}
public static Mesh Triangulate(Tesselator <Vertex> tess, Polygon p)
{
tess.BeginPolygon();
foreach (Contour c in p.Contours)
{
tess.BeginContour();
foreach (Vertex v in c.path)
{
tess.AddVertex(v.location, v);
}
tess.EndContour();
}
tess.EndPolygon();
return(new Mesh(tess.Vertice, tess.Indices));
}
static void verboseEdgeFlag(Tesselator <Vertex> tess, int flag)
{
Console.WriteLine("EDGEFLAG:" + flag);
}
static void verboseCombine(Tesselator <Vertex> tess, double[] location, Vertex[] inVertices, float[] weight,
Vertex outVertex)
{
Console.WriteLine("COMBINE: " + outVertex);
}
static void verboseBegin(Tesselator <Vertex> tess, Glu.PrimitiveType type)
{
Console.WriteLine("BEGIN:" + type);
}
static void verboseVertex(Tesselator <Vertex> tess, Vertex vertex)
{
Console.WriteLine("VERTEX:" + vertex);
}
static void verboseError(Tesselator <Vertex> tess, Glu.TessError errorCode)
{
//string msg = Tesselator<Vertex>.ErrorString (errorCode);
Console.WriteLine("ERROR: {0} ({1})", errorCode, errorCode);
}
static void verboseEnd(Tesselator <Vertex> tess)
{
Console.WriteLine("END");
}