public void PointInsideLineTest()
{
var ray1 = new KtRay2D(new KtPoint2D(0, 2), new KtPoint2D(30, 4));
Assert.AreEqual(ray1.PointInsideLine(4), new KtPoint2D(120, 10));
Assert.AreEqual(ray1.PointInsideLine(-4), new KtPoint2D(-120, -6));
}
public void InlineTest()
{
var ray1 = new KtRay2D(new KtPoint2D(0, 2), new KtPoint2D(30, 4));
Assert.IsTrue(ray1.Inline(new KtPoint2D(120, 10)));
Assert.IsFalse(ray1.Inline(new KtPoint2D(-120, -6)));
}
public void Inequality()
{
var line = new KtLine2D(0, 0, 20, 1);
var segment = new KtSegment2D(0, 0, 20, 1);
var ray = new KtRay2D(new KtPoint2D(0, 0), new KtPoint2D(20, 1));
Assert.AreNotEqual(line, segment);
Assert.AreNotEqual(line, ray);
Assert.AreNotEqual(segment, ray);
}
public void IntersectionTest()
{
var ray1 = new KtRay2D(new KtPoint2D(0, 2), new KtPoint2D(30, 4));
var ray2 = new KtRay2D(new KtPoint2D(5, 0), new KtPoint2D(15, 12));
#pragma warning disable CS0618 // Type or member is obsolete
Assert.AreEqual(ray1.IntersectWith3(ray2), new KtPoint2D(120.0 / 17, 42.0 / 17));
var ray3 = new KtRay2D(new KtPoint2D(4, -2), new KtPoint2D(20, -4));
var ray4 = new KtRay2D(new KtPoint2D(-5, 6), new KtPoint2D(15, 12));
Assert.IsNull(ray3.IntersectWith3(ray4));
#pragma warning restore CS0618 // Type or member is obsolete
}
public void KtRay2DTest()
{
var ray = new KtRay2D(new KtPoint2D(4, 6), new KtPoint2D(5, -10));
Assert.AreEqual(ray.Start, new KtPoint2D(4, 6));
Assert.AreEqual(ray.End, new KtPoint2D(5, -10));
Assert.AreEqual(ray, new KtRay2D(new KtPoint2D(4, 6), new KtPoint2D(5, -10)));
var ray2 = new KtRay2D(new KtPoint2D(3, 6), new KtVector2D(2, -1));
var ray3 = new KtRay2D(new KtPoint2D(3, 6), new KtVector2D(4, -2));
Assert.AreEqual(ray2.Start, new KtPoint2D(3, 6));
Assert.AreEqual(ray2.End, new KtPoint2D(3, 6) + new KtPoint2D(2, -1));
Assert.AreEqual(ray2, ray3);
}
public void TestIntersectionsOfLineTypes()
{
var line = new KtLine2D(2, 4, 5);
var segment = new KtSegment2D(0, 2, 30, 4);
#pragma warning disable CS0618 // Type or member is obsolete
Assert.AreEqual(line.IntersectWith3(segment), null);
segment = new KtSegment2D(0, 4, -2, 2);
Assert.AreEqual(line.IntersectWith3(segment), new KtPoint2D(-11.0 / 6, 13.0 / 6));
segment = new KtSegment2D(-2, 2, 0, 4);
Assert.AreEqual(line.IntersectWith3(segment), new KtPoint2D(-11.0 / 6, 13.0 / 6));
var ray = new KtRay2D(new KtPoint2D(0, 2), new KtVector2D(1, 2));
Assert.AreEqual(line.IntersectWith3(ray), null);
ray = new KtRay2D(new KtPoint2D(0, 2), new KtVector2D(1, -2));
Assert.AreEqual(line.IntersectWith3(ray), new KtPoint2D(.5, 1.0));
var yaxis = KtLine2D.YAxis();
var line2 = new KtRay2D(new KtPoint2D(0, 20), new KtVector2D(3, 4));
Assert.AreEqual(yaxis.IntersectWith3(line2), new KtPoint2D(0, 20));
var line45 = new KtRay2D(new KtPoint2D(), new KtVector2D(30, 30));
var line45N = new KtRay2D(new KtPoint2D(0, 50), new KtVector2D(30, -30));
Assert.AreEqual(line45.IntersectWith3(line45N), new KtPoint2D(25, 25));
#pragma warning restore CS0618 // Type or member is obsolete
}
public void CloneTest()
{
var testray = new KtRay2D(new KtPoint2D(1, 4), new KtVector2D(3, 5));
Assert.AreEqual(testray.Clone(), testray);
}
public void DistanceTest()
{
var ray1 = new KtRay2D(new KtPoint2D(4, -2), new KtVector2D(-2, 4));
Assert.IsTrue((ray1.Distance(new KtPoint2D(4, 3)) - 2.23606797749979).NearZero(7));
}
