def test_plane():
bounds = Box([(0, 3), (0, 3), (0, 3)])
plane = Plane((1.5, 1.5, 1.5), (1, 1, 1), bounds)
field = set(bounds.render())
points = field - set(plane.render())
layers = draw_layers(points, on='#', off='-')
assert_equal(
'\n\n'.join(layers),
dedent('''
##--
###-
####
####
#---
##--
###-
####
----
#---
##--
###-
----
----
#---
##--
''').strip(),
)
def test_box_from_volumes():
volumes = [
Sphere((1, 1, 1), 3),
Sphere((-1, -1, -1), 3),
]
bounds = Box.from_volumes(volumes)
assert_equal(
bounds,
Box([(-4, 4), (-4, 4), (-4, 4)]),
)
