public void PlanarObjectsCoplanarityTest()
{
Plane3d s1 = new Plane3d(new Point3d(1, 1, 1), new Vector3d(1, 0, 0));
Plane3d s2 = new Plane3d(new Point3d(-1, 1, 1), new Vector3d(1, 0, 0));
Plane3d s3 = new Plane3d(new Point3d(1, 2, 3), new Vector3d(-1, 0, 0));
Plane3d s4 = new Plane3d(new Point3d(1, 1, 1), new Vector3d(-1, 2, 3));
Assert.IsTrue(s1.IsCoplanarTo(s3));
Assert.IsTrue(s1.IsCoplanarTo(s1));
Assert.IsFalse(s1.IsCoplanarTo(s2));
Assert.IsFalse(s1.IsCoplanarTo(s4));
Circle3d c = new Circle3d(new Point3d(1, 2, 2), 5, new Vector3d(1, 0, 0));
Assert.IsTrue(c.IsCoplanarTo(c));
Assert.IsTrue(s1.IsCoplanarTo(c));
Assert.IsFalse(s2.IsCoplanarTo(c));
Assert.IsTrue(c.IsCoplanarTo(s1));
Assert.IsFalse(c.IsCoplanarTo(s2));
Triangle t = new Triangle(new Point3d(1, 2, 2), new Point3d(1, -5, 0), new Point3d(1, 3, -2));
Assert.IsTrue(t.IsCoplanarTo(t));
Assert.IsTrue(s1.IsCoplanarTo(t));
Assert.IsFalse(s2.IsCoplanarTo(t));
Assert.IsTrue(t.IsCoplanarTo(s1));
Assert.IsFalse(t.IsCoplanarTo(s2));
Assert.IsTrue(t.IsCoplanarTo(c));
}
public void PlanarLinearObjectsCoplanarityTest()
{
Plane3d p1 = new Plane3d(new Point3d(1, 1, 1), new Vector3d(1, 0, 0));
Line3d l1 = new Line3d(new Point3d(1, 1, 1), new Vector3d(0, 1, 1));
Segment3d s1 = new Segment3d(new Point3d(1, 2, 4), new Point3d(2, -2, 0));
Assert.IsTrue(p1.IsCoplanarTo(l1));
Assert.IsTrue(l1.IsCoplanarTo(p1));
Assert.IsFalse(p1.IsCoplanarTo(s1));
Assert.IsFalse(s1.IsCoplanarTo(p1));
}
