class TestSphere(TestRenderablePrimitive):
def setUp(self):
self.renderable = Sphere()
self.renderable2 = Sphere()
def test_interface(self):
super(TestSphere, self).test_interface()
for func in ['setRadius']:
self.assertTrue(hasattr(self.renderable, func) and callable(getattr(self.renderable, func)), "Interface requires function: " + func)
def test_intersect(self):
sphere1 = Sphere(Vector3f(2.0, 0.0, 0.0), 1)
sphere2 = Sphere(Vector3f(-2.0, 0.0, 0.0), 1)
self.assertEqual(sphere1.intersect(Vector3f(0, 0, 0), Vector3f(1, 0, 0)), 1.0)
self.assertEqual(sphere1.intersect(Vector3f(0, 0, 0), Vector3f(0, 1, 0)), "NONE")
self.assertEqual(sphere2.intersect(Vector3f(0, 0, 0), Vector3f(1, 0, 0)), "NONE")
def test_normalAt(self):
sphere1 = Sphere(Vector3f(2.0, 0.0, 0.0), 1)
self.assertEqual(sphere1.normalAt(Vector3f(1, 0, 0)).toList(), [-1, 0, 0])
self.assertEqual(sphere1.normalAt(Vector3f(1, 0.1, 0)).toList(), Vector3f(-1, 0.1, 0.0).toList())
self.assertEqual(sphere1.normalAt(Vector3f(5, 0, 0)).toList(), [3, 0, 0])
def test_setRadius(self):
self.assertEqual(self.renderable.setRadius(1.0), 1.0)
self.assertEqual(self.renderable.setRadius(0.0), 1.0)
self.assertEqual(self.renderable.setRadius(-1.0), 1.0)
self.assertEqual(self.renderable.setRadius(1.1), 1.1)
self.assertEqual(self.renderable.setRadius(0.0005), 0.0005)
self.assertEqual(self.renderable.setRadius(), 0.0005)
self.assertEqual(self.renderable.setRadius(1), 1.0)
