1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/anks.py	Thu Dec 30 02:16:10 2010 +0100
     1.3 @@ -0,0 +1,72 @@
     1.4 +class Cell(object):
     1.5 +	def __init__(self, value):
     1.6 +		self.value = value
     1.7 +	def __str__(self):
     1.8 +		if self.value:
     1.9 +			return chr(176)
    1.10 +		else:
    1.11 +			return chr(177)
    1.12 +
    1.13 +def iterate(grid, rule):
    1.14 +	expanded = [Cell(False), Cell(False)]
    1.15 +	expanded.extend(grid)
    1.16 +	expanded.extend([Cell(False), Cell(False)])
    1.17 +	new_grid = []
    1.18 +	for i in xrange(len(expanded)-2):
    1.19 +		triple = expanded[i:i+3]
    1.20 +		#print [t.value for t in triple]
    1.21 +		
    1.22 +		if triple[0].value and triple[1].value and triple[2].value:
    1.23 +			new_grid.append(Cell(rule[7]))
    1.24 +		elif triple[0].value and triple[1].value:
    1.25 +			new_grid.append(Cell(rule[6]))
    1.26 +		elif triple[0].value and triple[2].value:
    1.27 +			new_grid.append(Cell(rule[5]))
    1.28 +		elif triple[0].value:
    1.29 +			new_grid.append(Cell(rule[4]))
    1.30 +		elif triple[1].value and triple[2].value:
    1.31 +			new_grid.append(Cell(rule[3]))
    1.32 +		elif triple[1].value:
    1.33 +			new_grid.append(Cell(rule[2]))
    1.34 +		elif triple[2].value:
    1.35 +			new_grid.append(Cell(rule[1]))
    1.36 +		else:
    1.37 +			new_grid.append(Cell(rule[0]))
    1.38 +	return new_grid
    1.39 +
    1.40 +def show(grid, max_cells):
    1.41 +	import sys
    1.42 +	padding_left = int(0.5 + max_cells - len(grid)) / 2
    1.43 +	padding_right = (max_cells - len(grid)) / 2
    1.44 +	for i in xrange(padding_left):
    1.45 +		sys.stdout.write(chr(178))
    1.46 +	for cell in grid:
    1.47 +		sys.stdout.write(str(cell))
    1.48 +	for i in xrange(padding_right):
    1.49 +		sys.stdout.write(chr(178))
    1.50 +	print
    1.51 +
    1.52 +def gen_rule(i):
    1.53 +	rule = []
    1.54 +	v = i
    1.55 +	for x in range(8):
    1.56 +		rule.append(v - v/2*2)
    1.57 +		v = v/2
    1.58 +	return rule
    1.59 +
    1.60 +def main():
    1.61 +	import time
    1.62 +
    1.63 +	max_iter = 150
    1.64 +	max_cells = max_iter * 2 + 1
    1.65 +	for i in xrange(255):
    1.66 +		rule = gen_rule(i)
    1.67 +		print "rule %i" % i
    1.68 +		grid = [Cell(True)]
    1.69 +		for i in range(max_iter):
    1.70 +			show(grid, max_cells)
    1.71 +			grid = iterate(grid, rule)
    1.72 +		#time.sleep(2)
    1.73 +
    1.74 +if __name__ == "__main__":
    1.75 +	main()