class Machine:
"""A machine operates cells within a room according to it's neighbourhood-law"""
def __init__(self):
self._room = Room()
def initialise(self, number):
"""Initialises a machine with a number of cells"""
for index in range(number):
coordinate = self._room.getNextCoordinate()
cell = Cell()
self._room.add(coordinate, cell)
def cycle(self):
"""Cycles through the Automat according to Conways rules"""
# Implements the rules of Conways Game of Life
past_room = self._room # Calculate all operations on the expired room
for coordinate in past_room._space.keys():
neighbours = past_room.neighbours(coordinate)
if len(neighbours) > 2 or len(neighbours) > 3:
self._room.killCell(coordinate)
elif len(neighbours) == 2 or len(neighbours) == 3:
pass
elif len(neighbours) == 3 and past_room.getCellColor(
coordinate) == Color.black: # if dead
self._room.spawnCell(coordinate)
def __str__(self):
"""Returns a string representation of a machine"""
# TODO: This is a bit performance-consuming
border = self._room.border
str = ''
while (
border % 2
) > 0 or border > self._room.border: # Find the next matching number for 2 sane rasters
border = border - 1
columns = range(int(border / 2))
first_colum = min(columns)
def getSign(coordinate):
if self._room.exists(coordinate):
if self._room.getCellColor == Color.black:
return 'B'
else:
return 'W'
else:
return 'N'
for x in columns:
if x is not first_colum:
str = str + '\n' # Start a new line
for y in columns:
coordinate = Coordinate(x, y)
if y is first_colum:
str = str + getSign(coordinate) + ' '
else:
str = str + getSign(coordinate) + ' '
return str.format()
