public static void Triangulate(TriangulationContext tcx)
{
switch (tcx.Algorithm) {
case TriangulationAlgorithm.DTSweep:
default:
DTSweep.Triangulate((DTSweepContext)tcx);
break;
}
}
/// <summary>
/// Creates constraints and populates the context with points
/// </summary>
/// <param name="tcx">The context</param>
public void Prepare(TriangulationContext tcx)
{
if (triangles == null)
{
triangles = new List<DelaunayTriangle>(points.Count);
}
else
{
triangles.Clear();
}
// Outer constraints
for (int i = 0; i < points.Count - 1; i++) tcx.NewConstraint(points[i], points[i + 1]);
tcx.NewConstraint(points[0], points[points.Count - 1]);
tcx.Points.AddRange(points);
// Hole constraints
if (holes != null)
{
foreach (Triangulatable p in holes)
{
for (int i = 0; i < p.points.Count - 1; i++) tcx.NewConstraint(p.points[i], p.points[i + 1]);
tcx.NewConstraint(p.points[0], p.points[p.points.Count - 1]);
tcx.Points.AddRange(p.points);
}
}
if (steinerPoints != null)
{
tcx.Points.AddRange(steinerPoints);
}
}
