public void IntersectParalellTest()
{
var tri = new TriangleIntersector(Vector3.J, -Vector3.I, new Vector3(1, -1, 0));
var edge = new Edge(Vector3.I, -Vector3.I);
Assert.That(tri.FindIntersections(edge), Is.EquivalentTo(Enumerable.Empty<Intersection>()));
}
public void IntersectMiddleTest()
{
var tri = new TriangleIntersector(Vector3.J, -Vector3.I, new Vector3(1, -1, 0));
var edge = new Edge(Vector3.K, -Vector3.K);
Assert.That(tri.FindIntersections(edge), Is.EquivalentTo(new[] { new Intersection(Vector3.Zero, Vector3.K) }));
}
public IEnumerator GetEnumerator()
{
var t1 = new TriangleIntersector(Vector3.I, Vector3.J, Vector3.K);
var t1n = new Vector3(1, 1, 1).UnitDirection;
var e1 = new Edge(Vector3.Zero, new Vector3(1, 1, 1));
var e2 = new Edge(Vector3.Zero, 2 * Vector3.I);
var e3 = new Edge(Vector3.Zero, new Vector3(-1, -1, -1));
var e4 = new Edge(Vector3.I, Vector3.J);
var i1 = new Intersection(new Vector3(1.0/3.0, 1.0/3.0, 1.0/3.0), t1n);
var i2 = new Intersection(Vector3.I, t1n);
var none = Enumerable.Empty<Intersection>();
yield return new object[] { t1, e1, new[] { i1 } };
yield return new object[] { t1, e2, new[] { i2 } };
yield return new object[] { t1, e3, none };
yield return new object[] { t1, e4, none };
}
public void EdgeIntersectTest(TriangleIntersector t, Edge e, IEnumerable<Intersection> intersects)
{
Assert.That(t.FindIntersections(e), Is.EquivalentTo(intersects));
}
