def test_interval_intersection(self):
for args, answer in [
((0, 0, 0, 1, 0, 0, 1, 0), True),
((0, 0.5, 0, 1, 0.5, 0, 1, 0), False),
((0, 1, 1, 0, 0, 0, 1, 1), True),
((0, 1, 0.25, 0.75, 0, 0, 1, 1), False),
((0, 0, 1, 1, 0, 1, 1, 1.0004), False),
((0, 0, 1, 1, 0, 1, 1, 0.999), True),
((0, 0, 1, 1, 0, 1, 0.99, 1), False),
((0, 0, 0, 1, 1, 0, 1, 1), False),
]:
self.assertEqual(
geometry.are_intervals_intersect(*args),
answer
)
def cross_boundaries(tank, world):
tank_borders = utils.get_borders(tank)
for world_border in utils.get_world_borders():
for tank_border in tank_borders:
x1, y1, x2, y2 = tank_border
if geometry.are_intervals_intersect(x1, y1, x2, y2, *world_border):
return True
def can_cross(unit):
unit_size = math.hypot(unit.width / 2., unit.height / 2.)
tank_size = math.hypot(tank.width / 2., tank.height / 2.)
return unit_size + tank_size > math.hypot(unit.x - tank.x, unit.y - tank.y)
# for unit in world.obstacles:
# for unit in world.obstacles + utils.other_tanks(world, tank):
for unit in filter(lambda u: can_cross(u), world.obstacles + utils.other_tanks(world, tank)):
for border in utils.get_borders(unit):
for tank_border in tank_borders:
x1, y1, x2, y2 = tank_border
if geometry.are_intervals_intersect(x1, y1, x2, y2, *border):
return True
return False
