def setup(world):
'''This stress-tests the dynamic tree broad-phase.
It also shows that tile based collision is _not_ smooth due to Box2D not
knowing about adjacency.
'''
a = 0.5
def ground_positions():
N = 200
M = 10
position = Vec2(0, 0)
for i in range(M):
position.x = -N * a
for j in range(N):
yield position
position.x += 2.0 * a
position.y -= 2.0 * a
ground = world.create_static_body(position=(0, -a))
for position in ground_positions():
ground.create_polygon_fixture(box=(a, a, position, 0))
create_pyramid(world)
def test_valid_5_reversed_true(self):
res = pyramid.create_pyramid(5, "reversed", True)
self.assertIsInstance(res, list)
self.assertEqual(res, [
"* * * * * ", " * * * * ", " * * * ", " * * ",
" * "
])
def test_valid_5_normal_true(self):
res = pyramid.create_pyramid(5, "normal", True)
self.assertIsInstance(res, list)
self.assertEqual(res, [
" * ", " * * ", " * * * ", " * * * * ",
"* * * * * "
])
def test_valid_0_reversed_true(self):
res = pyramid.create_pyramid(0, "reversed", True)
self.assertIsInstance(res, list)
self.assertEqual(res, [])