private static void EdgeEvent(DTSweepContext tcx, DTSweepConstraint edge, AdvancingFrontNode node)
{
try
{
tcx.EdgeEvent.ConstrainedEdge = edge;
tcx.EdgeEvent.Right = (edge.P.X > edge.Q.X);
bool flag = DTSweep.IsEdgeSideOfTriangle(node.Triangle, edge.P, edge.Q);
if (!flag)
{
DTSweep.FillEdgeEvent(tcx, edge, node);
DTSweep.EdgeEvent(tcx, edge.P, edge.Q, node.Triangle, edge.Q);
}
}
catch (PointOnEdgeException ex)
{
Debug.WriteLine("Skipping Edge: " + ex.Message);
}
}
private static void EdgeEvent(DTSweepContext tcx, TriangulationPoint ep, TriangulationPoint eq, DelaunayTriangle triangle, TriangulationPoint point)
{
bool flag = DTSweep.IsEdgeSideOfTriangle(triangle, ep, eq);
if (!flag)
{
TriangulationPoint triangulationPoint = triangle.PointCCW(point);
Orientation orientation = TriangulationUtil.Orient2d(eq, triangulationPoint, ep);
bool flag2 = orientation == Orientation.Collinear;
if (flag2)
{
bool flag3 = triangle.Contains(eq, triangulationPoint);
if (!flag3)
{
throw new PointOnEdgeException("EdgeEvent - Point on constrained edge not supported yet");
}
triangle.MarkConstrainedEdge(eq, triangulationPoint);
tcx.EdgeEvent.ConstrainedEdge.Q = triangulationPoint;
triangle = triangle.NeighborAcross(point);
DTSweep.EdgeEvent(tcx, ep, triangulationPoint, triangle, triangulationPoint);
bool isDebugEnabled = tcx.IsDebugEnabled;
if (isDebugEnabled)
{
Debug.WriteLine("EdgeEvent - Point on constrained edge");
}
}
else
{
TriangulationPoint triangulationPoint2 = triangle.PointCW(point);
Orientation orientation2 = TriangulationUtil.Orient2d(eq, triangulationPoint2, ep);
bool flag4 = orientation2 == Orientation.Collinear;
if (flag4)
{
bool flag5 = triangle.Contains(eq, triangulationPoint2);
if (!flag5)
{
throw new PointOnEdgeException("EdgeEvent - Point on constrained edge not supported yet");
}
triangle.MarkConstrainedEdge(eq, triangulationPoint2);
tcx.EdgeEvent.ConstrainedEdge.Q = triangulationPoint2;
triangle = triangle.NeighborAcross(point);
DTSweep.EdgeEvent(tcx, ep, triangulationPoint2, triangle, triangulationPoint2);
bool isDebugEnabled2 = tcx.IsDebugEnabled;
if (isDebugEnabled2)
{
Debug.WriteLine("EdgeEvent - Point on constrained edge");
}
}
else
{
bool flag6 = orientation == orientation2;
if (flag6)
{
bool flag7 = orientation == Orientation.CW;
if (flag7)
{
triangle = triangle.NeighborCCW(point);
}
else
{
triangle = triangle.NeighborCW(point);
}
DTSweep.EdgeEvent(tcx, ep, eq, triangle, point);
}
else
{
DTSweep.FlipEdgeEvent(tcx, ep, eq, triangle, point);
}
}
}
}
}
