@Test public void testDistance() { final Ray3 ray1 = new Ray3(); assertTrue(25.0 == ray1.distanceSquared(new Vector3(0, 5, 3), null)); final Vector3 store = new Vector3(); assertTrue(9.0 == ray1.distanceSquared(new Vector3(0, 3, 3), store)); assertEquals(new Vector3(0, 0, 3), store); assertTrue(18.0 == ray1.distanceSquared(new Vector3(0, 3, -3), store)); assertEquals(new Vector3(0, 0, 0), store); }