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