public void TouchIntersection1Test()
{
Vector2 a1 = new Vector2(1, 3);
Vector2 a2 = new Vector2(3, 1);
Vector2 b1 = new Vector2(2, 2);
Vector2 b2 = new Vector2(3, 3);
Assert.AreEqual(new Vector2(2, 2), Intersections.LinesegmentLinesegmentIntersection(a1, a2, b1, b2));
}
public void Intersection2Test()
{
Vector2 a1 = new Vector2(0, 0.5f);
Vector2 a2 = new Vector2(0, 2);
Vector2 b1 = new Vector2(-1, 1);
Vector2 b2 = new Vector2(1, 1);
Assert.AreEqual(new Vector2(0, 1), Intersections.LinesegmentLinesegmentIntersection(a1, a2, b1, b2));
}
public void Parallel1Test()
{
Vector2 a1 = new Vector2(2, 2);
Vector2 a2 = new Vector2(1, 3);
Vector2 b1 = new Vector2(3, 2);
Vector2 b2 = new Vector2(2, 3);
Assert.IsTrue(float.IsNaN(Intersections.LinesegmentLinesegmentIntersection(a1, a2, b1, b2).X));
Assert.IsTrue(float.IsNaN(Intersections.LinesegmentLinesegmentIntersection(a1, a2, b1, b2).Y));
}
public void SamelineTest()
{
Vector2 a1 = new Vector2(0, 0);
Vector2 a2 = new Vector2(0, 3);
Vector2 b1 = new Vector2(0, 0.5f);
Vector2 b2 = new Vector2(0, 0.7f);
Assert.IsTrue(float.IsPositiveInfinity(Intersections.LinesegmentLinesegmentIntersection(a1, a2, b1, b2).X));
Assert.IsTrue(float.IsPositiveInfinity(Intersections.LinesegmentLinesegmentIntersection(a1, a2, b1, b2).Y));
}
public void NoIntersection1Test()
{
Vector2 a1 = new Vector2(0, 0);
Vector2 a2 = new Vector2(0, 2);
Vector2 b1 = new Vector2(1, 1);
Vector2 b2 = new Vector2(2, 1);
Assert.IsTrue(float.IsNaN(Intersections.LinesegmentLinesegmentIntersection(a1, a2, b1, b2).X));
Assert.IsTrue(float.IsNaN(Intersections.LinesegmentLinesegmentIntersection(a1, a2, b1, b2).Y));
}