public void Params_Test()
{
var a = new Vector3D(0, 0, 0);
var b = new Vector3D(1, 1, 1);
var ls = new LineSegment3D(a, b);
Assert.AreEqual(1, ls.l);
Assert.AreEqual(1, ls.m);
Assert.AreEqual(1, ls.n);
Assert.IsTrue(ls.Contains(a));
Assert.IsTrue(ls.Contains(b));
a = new Vector3D(-1, -1, -1);
b = new Vector3D(1, 1, 1);
ls = new LineSegment3D(a, b);
Assert.AreEqual(2, ls.l);
Assert.AreEqual(2, ls.m);
Assert.AreEqual(2, ls.n);
Assert.IsTrue(ls.Contains(a));
Assert.IsTrue(ls.Contains(b));
Assert.IsTrue(ls.Contains(new Vector3D(0, 0, 0)));
a = new Vector3D(-1, 24, 56);
b = new Vector3D(45, -67, 33);
ls = new LineSegment3D(a, b);
Assert.AreEqual(46, ls.l);
Assert.AreEqual(-91, ls.m);
Assert.AreEqual(-23, ls.n);
Assert.IsTrue(ls.Contains(a));
Assert.IsTrue(ls.Contains(b));
}
void LineCrossTest(Plane plane)
{
var min = -5;
var max = 5;
for (int x1 = min; x1 < max; x1++)
{
for (int y1 = min; y1 < max; y1++)
{
for (int z1 = min; z1 < max; z1++)
{
for (int x2 = min; x2 < max; x2++)
{
for (int y2 = min; y2 < max; y2++)
{
for (int z2 = min; z2 < max; z2++)
{
if (x1 != x2 && y1 != y2 && z1 != z2)
{
var p1 = new Vector3D(x1, y1, z1);
var p2 = new Vector3D(x2, y2, z2);
var ls = new LineSegment3D(p1, p2);
var crossPoint = plane.PointOfLineSegment3DCross(ls);
if (crossPoint != null)
{
Assert.IsTrue(plane.Contains(crossPoint));
Assert.IsTrue(ls.Contains(crossPoint));
}
}
}
}
}
}
}
}
}