private static void FillAdvancingFront(DTSweepContext tcx, AdvancingFrontNode n) { AdvancingFrontNode advancingFrontNode = n.Next; while (advancingFrontNode.HasNext) { bool flag = DTSweep.LargeHole_DontFill(advancingFrontNode); if (flag) { break; } DTSweep.Fill(tcx, advancingFrontNode); advancingFrontNode = advancingFrontNode.Next; } advancingFrontNode = n.Prev; while (advancingFrontNode.HasPrev) { bool flag2 = DTSweep.LargeHole_DontFill(advancingFrontNode); if (flag2) { break; } FP x = DTSweep.HoleAngle(advancingFrontNode); bool flag3 = x > DTSweep.PI_div2 || x < -DTSweep.PI_div2; if (flag3) { break; } DTSweep.Fill(tcx, advancingFrontNode); advancingFrontNode = advancingFrontNode.Prev; } bool flag4 = n.HasNext && n.Next.HasNext; if (flag4) { FP x = DTSweep.BasinAngle(n); bool flag5 = x < DTSweep.PI_3div4; if (flag5) { DTSweep.FillBasin(tcx, n); } } }