def test_ray2d_intersect_with_vertical(self):
ray1 = ConstructionRay((10, 1), (10, -7))
ray2 = ConstructionRay((-10, 3), (17, -7))
point = ray1.intersect(ray2)
assert point.x == 10
assert point.isclose(Vec3(10.0, -4.4074), abs_tol=1e-4)
with pytest.raises(ArithmeticError):
_ = ray1.yof(1)
def test_ray2d_parallel_vertical(self):
ray1 = ConstructionRay((10, 1), (10, -7))
ray2 = ConstructionRay((11, 0), angle=HALF_PI)
ray3 = ConstructionRay((12, -10), (12, 7))
ray4 = ConstructionRay((0, 0), (1, 1))
ray5 = ConstructionRay((0, 0), angle=0)
with pytest.raises(ParallelRaysError):
_ = ray1.intersect(ray3)
assert ray1.is_parallel(ray3) is True
assert ray1.is_parallel(ray2) is True
assert ray2.is_parallel(ray2) is True
assert ray1.is_parallel(ray4) is False
assert ray2.is_parallel(ray4) is False
assert ray3.is_parallel(ray4) is False
assert ray1.is_parallel(ray5) is False
assert ray2.is_parallel(ray5) is False
assert ray3.is_parallel(ray5) is False
# vertical rays can't calc a y-value
with pytest.raises(ArithmeticError):
_ = ray1.yof(-1.0)
def test_Ray2D_get_x_y(self):
ray1 = ConstructionRay((10, 1), (20, 10))
y = ray1.yof(15)
assert math.isclose(y, 5.5)
assert math.isclose(ray1.xof(y), 15.0)