def test_intersect(self):
# test an intersection
ray = Ray(Point(0, 0, 10), Vector(0, 0, -1))
intersection = Intersection()
intersected = self.grid_accel.intersect(ray, intersection)
self.assertFalse(intersected)
ray.maxt = float('inf')
intersected = self.grid_accel.intersect_p(ray)
self.assertFalse(intersected)
# test an intersection
ray2 = Ray(Point(10, 0, 10), Vector(0, 0, -1))
intersection = Intersection()
intersected = self.grid_accel.intersect(ray2, intersection)
self.assertTrue(intersected)
self.assertEqual(intersection.primitive_id,
self.primitive_sphere1.primitive_id)
self.assertEqual(intersection.shape_id, self.sphere1.shape_id)
ray2.maxt = float('inf')
intersected = self.grid_accel.intersect_p(ray2)
self.assertTrue(intersected)
# test an intersection
ray3 = Ray(Point(-10, 0, 10), Vector(0, 0, -1))
intersection = Intersection()
intersected = self.grid_accel.intersect(ray3, intersection)
self.assertTrue(intersected)
self.assertEqual(intersection.primitive_id,
self.primitive_sphere2.primitive_id)
self.assertEqual(intersection.shape_id, self.sphere2.shape_id)
ray3.maxt = float('inf')
intersected = self.grid_accel.intersect_p(ray3)
self.assertTrue(intersected)
def test_intersect(self):
# test an intersection
ray = Ray(Point(0, 0, 10), Vector(0, 0, -1))
intersection = Intersection()
intersected = self.grid_accel.intersect(ray, intersection)
self.assertFalse(intersected)
ray.maxt = float('inf')
intersected = self.grid_accel.intersect_p(ray)
self.assertFalse(intersected)
# test an intersection
ray2 = Ray(Point(10, 0, 10), Vector(0, 0, -1))
intersection = Intersection()
intersected = self.grid_accel.intersect(ray2, intersection)
self.assertTrue(intersected)
self.assertEqual(intersection.primitive_id,
self.primitive_sphere1.primitive_id)
self.assertEqual(intersection.shape_id,
self.sphere1.shape_id)
ray2.maxt = float('inf')
intersected = self.grid_accel.intersect_p(ray2)
self.assertTrue(intersected)
# test an intersection
ray3 = Ray(Point(-10, 0, 10), Vector(0, 0, -1))
intersection = Intersection()
intersected = self.grid_accel.intersect(ray3, intersection)
self.assertTrue(intersected)
self.assertEqual(intersection.primitive_id,
self.primitive_sphere2.primitive_id)
self.assertEqual(intersection.shape_id,
self.sphere2.shape_id)
ray3.maxt = float('inf')
intersected = self.grid_accel.intersect_p(ray3)
self.assertTrue(intersected)
