Re: Game of Life with mutations and noise?

Gina Miller (
Fri, 15 Jan 1999 22:07:20 PST

I like it Sasha!
Gina "Nanogirl" Miller

>Date: Fri, 15 Jan 1999 22:24:29 -0500
>From: "Alexander 'Sasha' Chislenko" <>
>Subject: Re: Game of Life with mutations and noise?
gt;At 10:43 PM 1/14/99 +0100, Eugene Leitl wrote:
>>Alexander 'Sasha' Chislenko writes:
>> > Does anybody know of any implementations of the game of Life
>> > that introduce mutations, diseases, noise, colored cells, etc.?
>>Mutations and noise, that seems to be indistinguishable. Can't parse
>>diseases. Colored cells seem to mean states richer than boolean.
>I once developed a cooperative game named CoLife that had color cells
>for two players. The evolution rule is the same as in Life; the rule
>for color is: the cell born gets the dominant color of the parents
>(since there are always 3 parents, and 2 colors, there is always a
>maximum). In between the evolutionary steps, each of the two players
>could add a piece of their own color to the field. The [common] goal
>of the game was to keep the populations balanced on the highest
>level. The game appeared a bit hard for humans, but post-humans will
>probably enjoy things like that.
>Also, in the same game, there was a third, disease color, that the
>would turn after a certain number of generations of being stagnant.
>The "stagnation disease" didn't have it's own moves, or strategy, but
>would infect all new cells born near even one diseased cell.
>What I meant by mutations and noise: Mutations would affect non-zero
>cells, by killing them, or moving them a little, or temporarily
>for one point, reproduction rules. (Or maybe more, like turning some
>of cells a multiple of 90 degrees). Noise would also affect empty
>by randomly creating points on it. There isn't much difference here,
>I agree, but there is a slight difference in programming, and also
>can bring life into existence from scratch. Maybe, not all life forms?
>One probably needs a high degree of initial noise to jump-start an
>ended evolutionary process...
>Santa Fe Alife server, for those interested, is at
>If anybody finds references to noisy cellular automata, please let me
>Alexander Chislenko <>
><> <>

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