From: Siraaj Khandkar Date: Mon, 30 Nov 2020 10:56:55 +0000 (-0500) Subject: Add info on Brian's Brain X-Git-Url: https://git.xandkar.net/?a=commitdiff_plain;ds=sidebyside;h=c14717748de5ba692b7bb863fed22293d585352f;p=cellular-automata.git Add info on Brian's Brain --- diff --git a/brians-brain/README.md b/brians-brain/README.md new file mode 100644 index 0000000..b6d0a10 --- /dev/null +++ b/brians-brain/README.md @@ -0,0 +1,21 @@ +Brian's Brain +============= + +https://en.wikipedia.org/wiki/Brian%27s_Brain +https://en.wikipedia.org/wiki/Brian_Silverman + +> Brian's Brain is a cellular automaton devised by Brian Silverman, which is +> very similar to his Seeds rule. +> +> Rules +> ----- +> Brian's Brain consists of an infinite two-dimensional grid of cells, but +> unlike Seeds, each cell may be in one of three states: on, dying, or off. +> Each cell is considered to have eight neighbors (the Moore neighborhood), as +> in Seeds and Conway's Game of Life. +> +> In each time step, a cell turns on if it was off but had exactly two +> neighbors that were on, just like the birth rule for Seeds. All cells that +> were "on" go into the "dying" state, which is not counted as an "on" cell in +> the neighbor count, and prevents any cell from being born there. Cells that +> were in the dying state go into the off state.