def conway(width, height):
"""
A conway's game of life simulation
"""
alive = State('alive', ' ', 15)
dead = State('dead', ' ', 0)
neighbors = [
Equals(x, y, alive)
for x in range(-1, 2) for y in range(-1, 2)
if x != 0 or y != 0
]
rules = [
Requirement(
alive, dead, Not(InRange(*neighbors, lower=2, upper=3))
),
Requirement(
dead, alive, InRange(*neighbors, lower=3, upper=3)
),
Rule(alive, dead, Equals(0, 0, alive), 1),
Rule(dead, alive, Equals(0, 0, dead), 1),
]
automata = Automata(width, height, dead, *rules)
automata.randomize((dead, alive))
return automata
def test_automata():
"""
The AbstractRule object
"""
from pica.conditions import Equals, Not, InRange
from pica.rules import Rule, Requirement
from pica.automata import Automata, Change
neighbors = [
Equals(x, y, 'live')
for x in range(-1, 2) for y in range(-1, 2)
if x != 0 or y != 0
]
rules = [
Requirement(
'live', 'dead', Not(InRange(*neighbors, lower=2, upper=3))
),
Requirement(
'dead', 'live', InRange(*neighbors, lower=3, upper=3)
),
Rule('live', 'dead', Equals(0, 0, 'live'), 1),
Rule('dead', 'live', Equals(0, 0, 'dead'), 1),
]
automata = Automata(5, 5, 'dead', *rules)
automata.cells.update(0, 0, 'live')
automata.cells.update(0, 1, 'live')
automata.cells.update(1, 0, 'live')
assert_equals(automata.step(), {Change(1, 1, 'live')})
assert_equals(automata.step(), set())
assert_equals(automata.step(), set())
assert_equals(automata.step(), set())
assert_equals(automata.step(), set())
automata = Automata(5, 5, 'dead', *rules)
automata.cells.update(0, 0, 'live')
automata.cells.update(2, 0, 'live')
automata.cells.update(2, 1, 'live')
automata.cells.update(2, 2, 'live')
assert_equals(
automata.step(),
{
Change(0, 0, 'dead'),
Change(1, 0, 'live'),
Change(2, 0, 'dead'),
Change(2, 2, 'dead'),
Change(3, 1, 'live'),
}
)
assert_equals(
automata.step(),
{
Change(1, 0, 'dead'),
Change(2, 0, 'live'),
Change(3, 1, 'dead'),
}
)
assert_equals(
automata.step(),
{
Change(2, 0, 'dead'),
Change(2, 1, 'dead'),
}
)
assert_equals(automata.step(), set())
assert_equals(automata.step(), set())
