public void KtLine2DTest2()
{
var line = new KtLine2D(-3, 12, 5);
Assert.AreEqual(line.A, -3);
Assert.AreEqual(line.B, 12);
Assert.AreEqual(line.C, 5);
var line2 = new KtLine2D(1, 2, 4);
Assert.AreEqual(line2.A, 1);
Assert.AreEqual(line2.B, 2);
Assert.AreEqual(line2.C, 4);
var line3 = new KtLine2D(0, 2, 4);
Assert.AreEqual(line3.A, 0);
Assert.AreEqual(line3.B, 2);
Assert.AreEqual(line3.C, 4);
var line4 = new KtLine2D(-1, 0, 4);
Assert.AreEqual(line4.A, -1);
Assert.AreEqual(line4.B, 0);
Assert.AreEqual(line4.C, 4);
var line5 = new KtLine2D(-1, -4, 0);
Assert.AreEqual(line5.A, -1);
Assert.AreEqual(line5.B, -4);
Assert.AreEqual(line5.C, 0);
}
public void InsectionHorizontalSegmentWithYAxis2()
{
var segment = new KtSegment2D(-3, 3, 5, 3);
var yaxis = KtLine2D.YAxis();
Assert.AreEqual(yaxis.IntersectionWith(segment), new KtPoint2D(0, 3));
}
public void KtLine2DTest1()
{
var start = new KtPoint2D(1, 2);
var end = new KtPoint2D(3, 4);
var line = new KtLine2D(1, 2, 3, 4);
Assert.AreEqual(line.Start, start);
Assert.AreEqual(line.End, end);
}
public void IntersectionTest()
{
var line3 = new KtLine2D(3.0 / 4.0, -1, 0);
var line2 = new KtLine2D(100, -1, 75 * 100);
#pragma warning disable CS0618 // Type or member is obsolete
Assert.AreEqual(line3.IntersectWith3(line2), new KtPoint2D(30000.0 / 397.0, 22500.0 / 397.0));
#pragma warning restore CS0618 // Type or member is obsolete
}
public void CreateAxisTest()
{
var line = KtLine2D.YAxis();
Assert.AreEqual(line, new KtLine2D(0, 0, 0, 12));
var line2 = KtLine2D.XAxis();
Assert.AreEqual(line2, new KtLine2D(0, 0, 12, 0));
}
public void InlineTest()
{
var line = new KtLine2D(1, 2, 4, 5);
Assert.IsTrue(line.Inline(line.Start));
Assert.IsTrue(line.Inline(line.End));
Assert.IsTrue(line.Inline(new KtPoint2D(13, 14)));
Assert.IsFalse(line.Inline(new KtPoint2D(-4, 20)));
}
public void InsectionHorizontalSegmentWithYAxis()
{
var segment = new KtSegment2D(-3, 3, 5, 3);
var yaxis = KtLine2D.YAxis();
#pragma warning disable CS0618 // Type or member is obsolete
Assert.AreEqual(yaxis.IntersectWith3(segment), new KtPoint2D(0, 3));
#pragma warning restore CS0618 // Type or member is obsolete
}
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 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 PointInsideLineTest()
{
var line = new KtLine2D(1, 3, 4, 5);
Assert.AreEqual(line.PointInsideLine(4), new KtPoint2D(13, 11));
}
public void DistanceTest()
{
var line = new KtLine2D(1, 2, 4, 5);
Assert.IsTrue((line.Distance(new KtPoint2D(-4, 20)) + 16.2634559672906).NearZero(4));
}
public void CreateVerticalLineTest()
{
var line = KtLine2D.CreateVerticalLine(3);
Assert.AreEqual(line, new KtLine2D(3, 0, 3, 12));
}
public void CreateHorizontalLineTest()
{
var line = KtLine2D.CreateHorizontalLine(3);
Assert.AreEqual(line, new KtLine2D(0, 3, 12, 3));
}
public void CloneTest()
{
var line4 = new KtLine2D(-1, 0, 4);
Assert.AreEqual(new KtLine2D(-1, 0, 4), line4);
}