A tweet-sized Engine for the Conway's Game of Life.
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Conway's Game of Life
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// 132 byte Conway's Game of Life | |
function( | |
g, // matrix (ground of game) | |
x, // x of selected cell | |
y, // y of selected cell | |
w, // width of g | |
h // height of g | |
){ | |
v=g[x][y]; // value of selected cell | |
s=0; // initializing "sum" variable | |
for( i=x-1 ; i<x+2 ; i++) // 3x3 | |
for( k=y-1 ;k < y+2; k++) // loop | |
if( i>=0 && i<w && k >=0 && k<h) // check position | |
s+=g[i][k]; // count alive cells | |
return s==3 || v && s==4; // new state of cell. true = alive . false = die. | |
} |
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function(g,x,y,w,h){v=g[x][y];s=0;for(i=x-1;i<x+2;i++)for(k=y-1;k<y+2;k++)if(i>=0&&i<w&&k>=0&&k<h)s+=g[i][k];return s==3||v&&s==4;} |
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
Version 2, December 2004 | |
Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE> | |
Everyone is permitted to copy and distribute verbatim or modified | |
copies of this license document, and changing it is allowed as long | |
as the name is changed. | |
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | |
0. You just DO WHAT THE FUCK YOU WANT TO. |
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{ | |
"name": "conwayGameOfLife", | |
"description": "Engine for the Conway's Game of Life.", | |
"keywords": [ | |
"Conway", | |
"Game", | |
"of", | |
"life" | |
] | |
} |
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<!DOCTYPE html> | |
<title>Foo</title> | |
<script> | |
<script> | |
var WIDTH=10; | |
var HEIGHT=10; | |
var sum; | |
var t = function(g,x,y,w,h){v=g[x][y];s=0;for(i=x-1;i<x+2;i++)for(k=y-1;k<y+2;k++)if(i>=0&&i<w&&k>=0&&k<h)s+=g[i][k];return s==3||v&&s==4;} | |
function main(){ | |
space = new Array(HEIGHT); | |
or(i=0;i<HEIGHT;i++) | |
space[i]=new Array(WIDTH) | |
for(h=0;h<HEIGHT;h++){ | |
for(w=0;w<WIDTH;w++){ | |
space[h][w]=parseInt((Math.random() * 10)%2); | |
} | |
} | |
run(space); | |
} | |
function run(s){ | |
print(s) | |
new_space = new Array(WIDTH); | |
for(h=0;h<HEIGHT;h++){ | |
new_space[h] = new Array(HEIGHT); | |
for(w=0;w<WIDTH;w++){ | |
new_space[h][w]=t(s,h,w,WIDTH,HEIGHT); | |
} | |
} | |
setTimeout("run(new_space)",100); | |
} | |
function print(matrix){ | |
var text="<table ><tr>"; | |
for(h=0;h<HEIGHT;h++){ | |
for(w=0;w<WIDTH;w++){ | |
text+=" "; | |
text+=(matrix[h][w] == 0)? "<td> </td>":"<td class='alive'> </td>" ; | |
} | |
text+="</tr><tr>"; | |
} | |
document.getElementById("output").innerHTML = text+"</table>"; | |
} | |
</script> | |
<style> | |
table { | |
border-collapse:collapse; | |
} | |
tr { | |
font-size:3px; | |
} | |
td { | |
border:1px solid black; | |
} | |
td.alive{ | |
background:black; | |
} | |
</style> | |
<body onload="main()"> | |
<div id="output"> | |
<br> | |
</div> | |
</body> | |
</html> |
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