private static bool LargeHole_DontFill(AdvancingFrontNode node) { AdvancingFrontNode next = node.Next; AdvancingFrontNode prev = node.Prev; bool flag = !DTSweep.AngleExceeds90Degrees(node.Point, next.Point, prev.Point); bool result; if (flag) { result = false; } else { AdvancingFrontNode next2 = next.Next; bool flag2 = next2 != null && !DTSweep.AngleExceedsPlus90DegreesOrIsNegative(node.Point, next2.Point, prev.Point); if (flag2) { result = false; } else { AdvancingFrontNode prev2 = prev.Prev; bool flag3 = prev2 != null && !DTSweep.AngleExceedsPlus90DegreesOrIsNegative(node.Point, next.Point, prev2.Point); result = !flag3; } } return(result); }