private static void FillLeftConvexEdgeEvent(DTSweepContext tcx, DTSweepConstraint edge, AdvancingFrontNode node)
{
bool flag = TriangulationUtil.Orient2d(node.Prev.Point, node.Prev.Prev.Point, node.Prev.Prev.Prev.Point) == Orientation.CW;
if (flag)
{
DTSweep.FillLeftConcaveEdgeEvent(tcx, edge, node.Prev);
}
else
{
bool flag2 = TriangulationUtil.Orient2d(edge.Q, node.Prev.Prev.Point, edge.P) == Orientation.CW;
if (flag2)
{
DTSweep.FillLeftConvexEdgeEvent(tcx, edge, node.Prev);
}
}
}
