private static void FinalizationConvexHull(DTSweepContext tcx)
{
AdvancingFrontNode advancingFrontNode = tcx.aFront.Head.Next;
AdvancingFrontNode advancingFrontNode2 = advancingFrontNode.Next;
DTSweep.TurnAdvancingFrontConvex(tcx, advancingFrontNode, advancingFrontNode2);
advancingFrontNode = tcx.aFront.Tail.Prev;
bool flag = advancingFrontNode.Triangle.Contains(advancingFrontNode.Next.Point) && advancingFrontNode.Triangle.Contains(advancingFrontNode.Prev.Point);
DelaunayTriangle delaunayTriangle;
if (flag)
{
delaunayTriangle = advancingFrontNode.Triangle.NeighborAcross(advancingFrontNode.Point);
DTSweep.RotateTrianglePair(advancingFrontNode.Triangle, advancingFrontNode.Point, delaunayTriangle, delaunayTriangle.OppositePoint(advancingFrontNode.Triangle, advancingFrontNode.Point));
tcx.MapTriangleToNodes(advancingFrontNode.Triangle);
tcx.MapTriangleToNodes(delaunayTriangle);
}
advancingFrontNode = tcx.aFront.Head.Next;
bool flag2 = advancingFrontNode.Triangle.Contains(advancingFrontNode.Prev.Point) && advancingFrontNode.Triangle.Contains(advancingFrontNode.Next.Point);
if (flag2)
{
delaunayTriangle = advancingFrontNode.Triangle.NeighborAcross(advancingFrontNode.Point);
DTSweep.RotateTrianglePair(advancingFrontNode.Triangle, advancingFrontNode.Point, delaunayTriangle, delaunayTriangle.OppositePoint(advancingFrontNode.Triangle, advancingFrontNode.Point));
tcx.MapTriangleToNodes(advancingFrontNode.Triangle);
tcx.MapTriangleToNodes(delaunayTriangle);
}
TriangulationPoint point = tcx.aFront.Head.Point;
advancingFrontNode2 = tcx.aFront.Tail.Prev;
delaunayTriangle = advancingFrontNode2.Triangle;
TriangulationPoint triangulationPoint = advancingFrontNode2.Point;
advancingFrontNode2.Triangle = null;
DelaunayTriangle delaunayTriangle2;
while (true)
{
tcx.RemoveFromList(delaunayTriangle);
triangulationPoint = delaunayTriangle.PointCCW(triangulationPoint);
bool flag3 = triangulationPoint == point;
if (flag3)
{
break;
}
delaunayTriangle2 = delaunayTriangle.NeighborCCW(triangulationPoint);
delaunayTriangle.Clear();
delaunayTriangle = delaunayTriangle2;
}
point = tcx.aFront.Head.Next.Point;
triangulationPoint = delaunayTriangle.PointCW(tcx.aFront.Head.Point);
delaunayTriangle2 = delaunayTriangle.NeighborCW(tcx.aFront.Head.Point);
delaunayTriangle.Clear();
delaunayTriangle = delaunayTriangle2;
while (triangulationPoint != point)
{
tcx.RemoveFromList(delaunayTriangle);
triangulationPoint = delaunayTriangle.PointCCW(triangulationPoint);
delaunayTriangle2 = delaunayTriangle.NeighborCCW(triangulationPoint);
delaunayTriangle.Clear();
delaunayTriangle = delaunayTriangle2;
}
tcx.aFront.Head = tcx.aFront.Head.Next;
tcx.aFront.Head.Prev = null;
tcx.aFront.Tail = tcx.aFront.Tail.Prev;
tcx.aFront.Tail.Next = null;
tcx.FinalizeTriangulation();
}
