internal void BordersandCorners(Edges dualGraphVertex, Corners v0, Corners v1)
{
borders.Add(dualGraphVertex);
AddToCorners(v0);
AddToCorners(v1);
}
public Edges(int index, Centers leftCenter, Centers rightCenter, Corners startCorner, Corners endCorner, VoronoiPoint mdpt)
{
Index = index;
delaunayCenter1 = leftCenter;
delaunayCenter2 = rightCenter;
voronoiCorner1 = startCorner;
voronoiCorner2 = endCorner;
midpoint = mdpt;
BordersAndProtrudes();
mapdata = new EdgeMapData();
}