/// <summary>
/// Given two Edges, determine the angular bisector direction between them that lies
/// in the anticlockwise angle from edge1 to edge2.
/// </summary>
/// <param name="edge1">The first edge</param>
/// <param name="edge2">The second edge</param>
/// <returns>A Direction2D that bisects the angle between edge1 and edge2</returns>
private static Direction2D AngularBisector(Edge edge1, Edge edge2)
{
// TODO: Refactor to use Edge.Vector
Vector2D v1 = edge1.target.Position - edge1.source.Position;
Vector2D v2 = edge2.target.Position - edge2.source.Position;
return(VectorGeometry.Bisector(ref v1, ref v2));
}
public void AcuteBisector180()
{
Vector2D v1 = new Vector2D(1.0, 0.0);
Vector2D v2 = new Vector2D(-1.0, 0.0);
Direction2D d = VectorGeometry.Bisector(ref v1, ref v2);
Assert.AreEqual(new Direction2D(-1.0, 0.0), d);
}