public void TestPlaneDistance()
{
Plane plane = new Plane(new Vector3d(-0.5 + 5, -0.5 - 5, 20), new Vector3d(1, 1, 0));
double distance = plane.GetDistanceFromPoint(new Vector3d(0, 0, 0));
ZAssert.AssertIsClose(distance, 0.5 * Math.Sqrt(2));
Circle3 intersection = plane.GetUnitSphereIntersection();
ZAssert.AssertIsClose(intersection.radius, 0.5 * Math.Sqrt(2));
}
private void DoCubeFaceTest(CubeSectorFace face, LongLat longLat, bool doXNotY, double expectedAnswer)
{
var front = new CubeSector(face, 0, 0, 0);
Vector3d normal = front.sectorFace.GetFaceNormal();
Vector3d down = front.sectorFace.GetFaceDownDirection();
Vector3d right = front.sectorFace.GetFaceRightDirection();
if (doXNotY)
{
ZAssert.AssertIsClose(front.GetRel(normal, right, longLat.ToSphereVector()), expectedAnswer);
}
else
{
ZAssert.AssertIsClose(front.GetRel(normal, down, longLat.ToSphereVector()), expectedAnswer);
}
}
