public void testIsInSphere() {
Vec3D p = new Vec3D(0, -10, 0);
Sphere s = new Sphere(new Vec3D(), 10);
assertEquals(s.containsPoint(p), true);
p.set(0, 10.1f, 0);
assertEquals(s.containsPoint(p), false);
}
public void testReflectRay() {
SphereIntersectorReflector si = new SphereIntersectorReflector(
new Vec3D(0, 0, 0), 10);