private Edge(Vertex start, Vertex end) : base()
{
if (start.Equals(end))
{
throw new Exception("Edge cannot be created with Vertex with same coordinates");
}
StartVertex = start;
EndVertex = end;
Length = start.DistanceTo(end);
Direction = Vector.ByTwoVertices(StartVertex, EndVertex);
}
public double DistanceTo(Vertex vertex)
{
return(vertex.DistanceTo(this));
}
