Method SplitEdge

CPP/Clipper2Lib/src/clipper.triangulation.cpp:592–605

  }

  void Delaunay::SplitEdge(Edge* longE, Edge* shortE)
  {
    auto oldT = longE->vT, newT = shortE->vT;
    // remove longEdge from longEdge.vT.edges
    RemoveEdgeFromVertex(oldT, longE);
    // shorten longEdge
    longE->vT = newT;
    if (longE->vL == oldT) longE->vL = newT;
    else longE->vR = newT;
    // add shortened longEdge to newT.edges
    newT->edges.push_back(longE);
    // and create a new edge betweem newV, oldT
    CreateEdge(newT, oldT, longE->kind);
  }

  void Delaunay::MergeDupOrCollinearVertices()
  {