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cellular.py: a simple 2D cellular automata implementation
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host_python/cellular.py
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host_python/cellular.py
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#!/usr/bin/python
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import sys
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from ledbar import Ledbar
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PIXELS = 20
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rules = {(1,1,1): 0,
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(1,1,0): 0,
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(1,0,1): 0,
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(1,0,0): 1,
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(0,1,1): 1,
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(0,1,0): 1,
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(0,0,1): 1,
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(0,0,0): 0}
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iteration = [0]*PIXELS
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iteration[PIXELS/2] = 1
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def iterate(iteration):
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new = []
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for i in range(len(iteration)):
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if 0 < i < PIXELS-1:
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top = (iteration[i-1], iteration[i], iteration[i+1])
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new.append(rules[top])
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else:
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new.append(0)
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return new
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def update(i):
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return (iteration[i], iteration[i], iteration[i])
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l = Ledbar(PIXELS)
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work = True
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t = 0
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while work:
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for i in xrange(PIXELS):
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c = update(i)
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l.set_pixel(i, c[0], c[1], c[2])
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work = l.update()
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t += 1
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if not (t % 50):
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iteration = iterate(iteration)
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