def test_smaller_inside_bigger_intersection(self):
b1 = BoundingBox([(0, 0, 0), (3, 3, 3)])
b2 = BoundingBox([(1, 1, 1), (2, 2, 2)])
b = b1.intersection(b2)
assert b.size.isclose((1, 1, 1))
assert b.extmin.isclose((1, 1, 1))
assert b.extmax.isclose((2, 2, 2))
def test_full_intersection(self):
b1 = BoundingBox([(0, 0, 0), (2, 2, 2)])
b = b1.intersection(b1)
assert b.size.isclose((2, 2, 2))
assert b.extmin.isclose((0, 0, 0))
assert b.extmax.isclose((2, 2, 2))
def test_multiple_intersections(self, v1, v2):
b1 = BoundingBox(v1)
b2 = BoundingBox(v2)
b = b1.intersection(b2)
assert b.size.isclose((1, 1, 1))
def test_touches_at_one_corner(self):
b1 = BoundingBox([(0, 0, 0), (1, 1, 1)])
b2 = BoundingBox([(1, 1, 1), (2, 2, 2)])
b = b1.intersection(b2)
assert b.is_empty is True
def test_no_intersection(self):
b1 = BoundingBox([(0, 0, 0), (1, 1, 1)])
b2 = BoundingBox([(2, 2, 2), (3, 3, 3)])
b = b1.intersection(b2)
assert b.is_empty is True
def test_accept_3d_box(self):
b1 = BoundingBox([(0, 0, -1), (10, 10, 10)])
b2 = BoundingBox2d([(1, 1), (9, 9)]) # z-axis is 0
b = b1.intersection(b2)
assert b.is_empty is True # has no volume!
