12 lines
245 B
Python
12 lines
245 B
Python
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import numpy as n,pygame as p
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q=(999,)*2
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b=n.random.rand(*q)>.3
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t=p.display
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r=n.roll
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o=p.surfarray.pixels2d(t.set_mode(q))
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while 1:
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w=sum(r(r(b,a,0),c,1)for a in[-1,0,1]for c in[-1,0,1])
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b=b&((w==3)|(w==4))|((~b)*(w==3))
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o[:,:]=0-b
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t.flip()
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