public static void AddNonConcaveSubPolygons(
this List <int[]> polygonList, Polygon2d poly,
double absoluteEpsilon)
{
var indices = new int[poly.PointCount].SetByIndex(i => i);
while (indices.Length > 0)
{
var subPoly = poly.ComputeNonConcaveSubPolygon(
ref indices, absoluteEpsilon);
if (subPoly == null)
{
Console.WriteLine("encountered degenerated polygon that cannot be easily triangulated");
break;
}
if (subPoly.Length < 3)
{
Console.WriteLine("encountered invalid subpolygon");
continue;
}
polygonList.Add(subPoly);
}
}