def test_ray2d_parallel(self): ray1 = ConstructionRay((17, -8), (-10, 2)) ray2 = ConstructionRay((-10, 3), (17, -7)) ray3 = ConstructionRay((-10, 4), (17, -6)) assert ray2.is_parallel(ray3) is True assert ray1.is_parallel(ray3) is True with pytest.raises(ParallelRaysError): _ = ray2.intersect(ray3)
def test_ray2d_intersect(self): ray1 = ConstructionRay((10, 1), (20, 10)) ray2 = ConstructionRay((17, -7), (-10, 3)) point = ray1.intersect(ray2) assert point.isclose(Vector(5.7434, -2.8309), abs_tol=1e-4) assert ray1.is_parallel(ray2) is False
def test_two_close_horizontal_rays(self): p1 = (39340.75302672016, 32489.73349764998) p2 = (39037.75302672119, 32489.73349764978) p3 = (38490.75302672015, 32489.73349764997) ray1 = ConstructionRay(p1, p2) ray2 = ConstructionRay(p2, p3) assert ray1.is_horizontal is True assert ray2.is_horizontal is True assert ray1.is_parallel(ray2) is True assert math.isclose( ray1.slope, ray2.slope) is False, 'Only slope testing is not sufficient'
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.)