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Combinator Game of Life
Posted: Fri Jul 24, 2015 10:55 am
by DaveMcW
I built a factory that plays
Conway's Game of Life .
The game has three simple rules that govern cell life cycle.
if neighbors = 3, then cell is born
if neighbors = 2, then cell does not change
if neighbors = anything else, then cell dies
That is easy to simulate, but I want to make it even easier. So I subtract 1 from both sides.
if (neighbors - 1) = 2, then cell is born
if (neighbors - 1) = 1, then cell does not change
otherwise, cell dies
The rewritten rules are simple enough to program in two decider combinators.
With the rules in place, I can build a complete cell.
I use 4 arithmetic combinators, to prevent neighbor cell wires from touching. Only one of them is actually used to subtract 1. They are spaced far apart to be able to reach all 8 neighbor electric poles.
Since I use wires of both colors to connect to neighbors, I need to alternate the primary color of each cell. The final blueprint is a checkerboard pattern.
It runs at 2 ticks per frame, or 30 Hz.
Setting the initial pattern using combinators would be a nightmare, so I use the console. You need to run the setup program twice. The first run sets the pattern, the second run starts the simulation.
Setup Program Code: Select all
/c local start = {x = -347.5, y = -110.5};
local grid = {};
grid[1] = "....................................";
grid[2] = "....................................";
grid[3] = "....................................";
grid[4] = "....................................";
grid[5] = "....................................";
grid[6] = "....................................";
grid[7] = "....................................";
grid[8] = "....................................";
grid[9] = "....................................";
grid[10]= "....................................";
grid[11]= "....................................";
grid[12]= "........................O...........";
grid[13]= "......................O.O...........";
grid[14]= "............OO......OO............OO";
grid[15]= "...........O...O....OO............OO";
grid[16]= "OO........O.....O...OO..............";
grid[17]= "OO........O...O.OO....O.O...........";
grid[18]= "..........O.....O.......O...........";
grid[19]= "...........O...O....................";
grid[20]= "............OO......................";
grid[21]= "....................................";
grid[22]= "....................................";
grid[23]= "....................................";
grid[24]= "....................................";
grid[25]= "....................................";
grid[26]= "....................................";
grid[27]= "....................................";
grid[28]= "....................................";
grid[29]= "....................................";
grid[30]= "....................................";
grid[31]= "....................................";
grid[32]= "....................................";
grid[33]= "....................................";
grid[34]= "....................................";
grid[35]= "....................................";
grid[36]= "....................................";
stopped = not stopped;
for y, values in ipairs(grid) do;
for x=1, values:len() do;
local combinators = game.player.surface.find_entities_filtered{area = {{start.x + x*7 - 2, start.y + y*7 - 5}, {start.x + x*7, start.y + y*7 - 3}}, name="decider-combinator"};
if (combinators[1]) then;
local rule3 = combinators[1].get_circuit_condition(1);
if (not stopped) then;
rule3.parameters.comparator = "=";
rule3.parameters.constant = 2;
elseif (values:sub(x,x) == "O") then;
rule3.parameters.comparator = "<";
rule3.parameters.constant = 99;
else;
rule3.parameters.comparator = "=";
rule3.parameters.constant = 99;
end;
combinators[1].set_circuit_condition(1, rule3);
end;
combinators = game.player.surface.find_entities_filtered{area = {{start.x + x*7 - 5, start.y + y*7 - 2}, {start.x + x*7 - 3, start.y + y*7}}, name="decider-combinator"};
if (combinators[1]) then;
local rule2 = combinators[1].get_circuit_condition(1);
if (stopped) then;
rule2.parameters.second_signal = nil;
rule2.parameters.constant = 99;
else;
rule2.parameters.second_signal = {type="virtual", name="signal-B"};
rule2.parameters.constant = nil;
end;
combinators[1].set_circuit_condition(1, rule2);
end;
end;
end;
Here is the save file with the final factory.
Re: Combinator Game of Life
Posted: Fri Jul 24, 2015 12:36 pm
by Choumiko
Just freaking wow!
Re: Combinator Game of Life
Posted: Fri Jul 24, 2015 2:11 pm
by Lupoviridae
Beautiful and well done! I was planning on building a GoL in my world but you beat me to it
Re: Combinator Game of Life
Posted: Fri Jul 24, 2015 2:51 pm
by DRE
THIS has began.
Re: Combinator Game of Life
Posted: Sun Jul 26, 2015 10:28 pm
by Stickman
So where's the gifv or the video?
Re: Combinator Game of Life
Posted: Sun Jul 26, 2015 11:45 pm
by Gandalf
Dude I wanna hug you so hard right now!
So when are you gonna implement
hashlife ? x)
Re: Combinator Game of Life
Posted: Wed Jul 29, 2015 7:16 pm
by Lee_newsum
well that is v good, i playing with in une.....
i had so thorts can you pull the config from Smart chest, 1 Smart chest for each cell. and you can have a reseat chest, would that work?
as for an input system you can use "z" to put an item down if you put were an Inserter can get it and put it in a chest, you have a in put system
Re: Combinator Game of Life
Posted: Wed Jul 29, 2015 7:36 pm
by Zhab
Very impressive.
Re: Combinator Game of Life
Posted: Mon Aug 03, 2015 4:50 am
by Adil
You sir are amazing.
Re: Combinator Game of Life
Posted: Tue Aug 04, 2015 1:24 pm
by aka13
Impressive, very nice!
i had so thorts can you pull the config from Smart chest, 1 Smart chest for each cell. and you can have a reseat chest, would that work?