def test_init_form_vector():
p = Plane.from_vector((5, 0, 0))
assert p.normal == (1, 0, 0)
assert p.distance_from_origin == 5
with pytest.raises(ZeroDivisionError):
Plane.from_vector((0, 0, 0))
def test_equal():
p1 = Plane.from_vector((5, 0, 0))
p2 = Plane.from_vector((5, 0, 0))
assert p1 is not p2
assert p1 == p1
with pytest.raises(TypeError):
p1 == Vector(5, 0, 0)
with pytest.raises(TypeError):
p1 != Vector(5, 0, 0)
with pytest.raises(TypeError):
p1 == 5
with pytest.raises(TypeError):
p1 != 5
def test_is_coplanar_plane():
p1 = Plane.from_vector((5, 0, 0))
p2 = Plane.from_vector((-1, 0, 0))
assert p1.is_coplanar_plane(p2) is True
def test_is_coplanar():
p = Plane.from_vector((5, 0, 0))
assert p.is_coplanar_vertex(Vector(5, 5, 0)) is True
assert p.is_coplanar_vertex(Vector(5, 0, 5)) is True
def test_distance_to():
p = Plane.from_vector((5, 0, 0))
assert p.distance_to(Vector(10, 0, 0)) == 5
assert p.distance_to(Vector(0, 0, 0)) == 5
def test_signed_distance_to():
p = Plane.from_vector((5, 0, 0))
assert p.signed_distance_to(Vec3(10, 0, 0)) == 5
assert p.signed_distance_to(Vec3(0, 0, 0)) == -5
def test_equal():
p1 = Plane.from_vector((5, 0, 0))
p2 = Plane.from_vector((5, 0, 0))
assert p1 is not p2
assert p1 == p1