def testfilter(triangle):
orifice_center = Ray.up.endpoint.coordinates
orifice_diameter = self.orifice_diameter
vertex_a = triangle.a.endpoint.coordinates
vertex_b = triangle.b.endpoint.coordinates
vertex_c = triangle.c.endpoint.coordinates
a_length = vector_distance(vertex_a, orifice_center)
b_length = vector_distance(vertex_b, orifice_center)
c_length = vector_distance(vertex_c, orifice_center)
farthest_distance = max(a_length, b_length, c_length)
closest_distance = min(a_length, b_length, c_length)
if farthest_distance <= orifice_diameter:
return TriangleClassification.Accept
elif triangle.diameter < 0.01 or closest_distance >= orifice_diameter:
return TriangleClassification.Reject
else:
return TriangleClassification.Refine
def then_wavefront_points_up(self):
actual_direction = self.wavefront.central_direction.normalized()
expected_direction = Direction.up
disparity = vector_distance(actual_direction.xyz, expected_direction.xyz)
self.assertLess(disparity, 0.00000001)
def test_vector_distance(self):
expect_square = 5.0
expect = sqrt(expect_square)
self.assertAlmostEqual(expect, vector_distance((11.0, 22.0), (10.0, 20.0)))
self.assertAlmostEqual(expect_square, vector_distance_squared((11.0, 22.0), (10.0, 20.0)))
