def testTransformation(self):
plane = Plane(transformation=rotation_y(angle_deg=90.0))
ray1 = Ray(origin=Point(1, 0, 0), dir=-VEC_X)
intersection1 = plane.ray_intersection(ray1)
assert intersection1
assert HitRecord(
world_point=Point(0.0, 0.0, 0.0),
normal=Normal(1.0, 0.0, 0.0),
surface_point=Vec2d(0.0, 0.0),
t=1.0,
ray=ray1,
material=plane.material,
).is_close(intersection1)
ray2 = Ray(origin=Point(0, 0, 1), dir=VEC_Z)
intersection2 = plane.ray_intersection(ray2)
assert not intersection2
ray3 = Ray(origin=Point(0, 0, 1), dir=VEC_X)
intersection3 = plane.ray_intersection(ray3)
assert not intersection3
ray4 = Ray(origin=Point(0, 0, 1), dir=VEC_Y)
intersection4 = plane.ray_intersection(ray4)
assert not intersection4
def testUVCoordinates(self):
plane = Plane()
ray1 = Ray(origin=Point(0, 0, 1), dir=-VEC_Z)
intersection1 = plane.ray_intersection(ray1)
assert intersection1.surface_point.is_close(Vec2d(0.0, 0.0))
ray2 = Ray(origin=Point(0.25, 0.75, 1), dir=-VEC_Z)
intersection2 = plane.ray_intersection(ray2)
assert intersection2.surface_point.is_close(Vec2d(0.25, 0.75))
ray3 = Ray(origin=Point(4.25, 7.75, 1), dir=-VEC_Z)
intersection3 = plane.ray_intersection(ray3)
assert intersection3.surface_point.is_close(Vec2d(0.25, 0.75))