public static bool AreEqual(this Edge e, Edge edge)
{
bool sameOrderEqual = e.Vertex1 == edge.Vertex1 && e.Vertex2 == edge.Vertex2;
bool oppositeOrderEqal = e.Vertex1 == edge.Vertex2 && e.Vertex2 == edge.Vertex1;
return sameOrderEqual || oppositeOrderEqal;
}
public void Returns_correct_edges()
{
var edges = _face.Edges;
var edge0 = new Edge(_vertex0, _vertex1);
var edge1 = new Edge(_vertex1, _vertex2);
var edge2 = new Edge(_vertex2, _vertex3);
var edge3 = new Edge(_vertex3, _vertex0);
edges.Should().Contain(edge => edge.AreEqual(edge0));
edges.Should().Contain(edge => edge.AreEqual(edge1));
edges.Should().Contain(edge => edge.AreEqual(edge2));
edges.Should().Contain(edge => edge.AreEqual(edge3));
}
public static bool HasEdge(this Face f, Edge edge)
{
var edges = f.Edges;
return edges.Any(e => e == edge);
}
public bool Equals(Edge other)
{
return this == other;
}