def test_intersect_ray_with_sphere_false():
r1 = Ray((0, 0, 0), (1, 1, 1))
s1 = Sphere((10, 10, 10), 5)
d, intercepts = intersect(r1, s1)
intercepts_analytical = [Point([5.0, 0.0, 0.0]), Point([-5.0, 0.0, 0.0])]
d_analytical = 2
assert ((intercepts == intercepts_analytical) and
(d_analytical == d)) is False
def test__intersect__ray_not_intersect_with_sphere__return_true():
r1 = Ray((100, 100, 100), (200, 200, 100))
s1 = Sphere((0, 0, 0), 5)
d, intersections = intersect(r1, s1)
calculated_intersections = [0]
d_analytical = 0
assert ((intersections == calculated_intersections) and
(d_analytical == d)) is True
def test_intersect_no_intersect_ray_with_sphere_true():
r1 = Ray((100, 100, 100), (200, 200, 100))
s1 = Sphere((0, 0, 0), 5)
d, intercepts = intersect(r1, s1)
intercepts_analytical = [0]
d_analytical = 0
assert ((intercepts == intercepts_analytical) and
(d_analytical == d)) is True
def test_intersect_ray_with_triangle_true():
t = Triangle((1, 0, 0), (0, 1, 0), (0, 0, 1))
r1 = Ray((0, 0, 0), (1, 1, 1))
d, intercepts = intersect(r1, t)
intercepts_analytical = Point(
[0.3333333333333333, 0.3333333333333333, 0.3333333333333333])
d_analytical = 1
assert ((intercepts == intercepts_analytical) and
(d_analytical == d)) is True
def test__intersect__ray_with_sphere__return_false():
r1 = Ray((0, 0, 0), (1, 1, 1))
s1 = Sphere((10, 10, 10), 3)
d, intersections = intersect(r1, s1)
calculated_intersections = [
Point([3.0, 0.0, 0.0]),
Point([-3.0, 0.0, 0.0])
]
d_analytical = 2
assert ((intersections == calculated_intersections) and
(d_analytical == d)) is False
def test_intersection__ray_with_sphere_doesnot_intersect__return_true():
assert (intersect(Ray((0, 10, 0), (1, 0, 0)), Sphere((0, 0, 0),
6.0)) == None)
def test_intersection__ray_with_sphere_intersects_at_two_points_given_intersected_points__return_true(
):
assert np.array_equal(
intersect(Ray((-1, 0, 0), (1, 0, 0)), Sphere((0, 0, 0), 1.0)),
[Point([-1, 0, 0]), Point([1, 0, 0])]) is True
def test_intersection__ray_with_sphere_intersects_at_one_point_given_tangent_point__return_true(
):
assert (intersect(Ray((0, 0, 0), (1, 1, 0)), Sphere(
(0, 0, 0), 1.0)) == Point([1 / np.sqrt(2), 1 / np.sqrt(2), 0]))
def test_intersect_sphere_and_triangle_return_false():
assert intersect(y0, t0) is False
def test_intersect_triangle_and_ray_return_true():
assert (intersect(t0, r0) == _intersect_ray_with_triangle(r0, t0)) is True
def test_intersect_sphere_and_ray_return_true():
assert (intersect(y0, x0) == _intersect_ray_with_sphere(x0, y0)) is True
from pygeo.objects import Point, Vector, Ray, Sphere, Triangle
from pygeo.intersect import intersect
"""To check if the installation of the package is done and all packages are running"""
r1 = Ray((0, 0, 0), (10, 0, 0))
s1 = Sphere((0, 0, 0), 5)
d, intercepts = intersect(r1, s1)
print('The ', r1, 'intersects ', s1, 'at', intercepts)
t = Triangle((1, 0, 0), (0, 1, 0), (0, 0, 1))
r1 = Ray((0, 0, 0), (1, 1, 1))
d, intercepts = intersect(r1, t)
print('The ', r1, 'intersects ', t, 'at', intercepts)
def test_intersect_ray_sphere():
r1 = Ray((0, 0, 0), (5, 0, 0))
r2 = Ray((0, 0, 0), (5, 0, 0))
intercepts = intersect(r1, r2)
expected = NotImplemented
assert (expected == intercepts) is True
