aemkei/LICENSE.txt

## README.md

      
    Raw
  

              README.md
            
          
    Game of Life - 140byt.es

An implementation of Conway's Game of Life in less than 140 bytes of JavaScript.
See the demo: http://jsfiddle.net/aemkei/wdRcc/show/
Usage

life (
  input, // input array
  size // size (width and height) of stage
)

// returns the modificated input string

Author

Created by Martin Kleppe (@aemkei) at Ubilabs.
For more information

See the 140byt.es site for a showcase of entries (built itself using 140-byte entries!), and follow @140bytes on Twitter.

  
## annotated.js
life = function(
  input, // input array
  size, // square stage size (width and height)
  output, i, neighbours // placeholders
){
  // cycle through cells
  for (
    output = [i = size*size];
    i--;
    output[i] =
      // alive if it has 3 neighbours
      neighbours == 3 ||
      // stay alive if cell has 2 neighbours
      (input[i] && neighbours == 2)
  ) {
    neighbours =
      // count neighbours
      input[i-size-1] + input[i-size] + input[i-size+1] +
      input[i     -1] +                 input[i     +1] +
      input[i+size-1] + input[i+size] + input[i+size+1];
  }

  return output;
}

## index.js
function(a,b,c,d,e){for(c=[d=b*b];d--;c[d]=e==3||a[d]&&e==2)e=a[d-b-1]+a[d-b]+a[d-b+1]+a[d-1]+a[d+1]+a[d+b-1]+a[d+b]+a[d+b+1];return c}

## LICENSE.txt
            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.

## package.json
{
  "name": "gameOfLife",

  "description": "Implementation of Conway's Game of Live.",

  "keywords": [
    "conway",
    "game",
    "life",
    "cellular",
    "automaton"
  ]
}

## test.html
<!DOCTYPE html>
<head>
  <title>Game of Life</title>

  <style type="text/css" media="screen">
    #stage {
      line-height:12px;
    }

    #stage div{
      display: block;
      float: left;
      width: 10px;
      height: 10px;
      margin: 1px 1px 0 0;
      background-color: #EEE;
    }
    #stage div.alive {
      background-color: #000;
    }
  </style>

</head>
<body>
  <div id="stage"></div>

  <a href="https://gist.github.com/1134658">Source</a>
  <script src="annotated.js" type="text/javascript" charset="utf-8"></script>


  <script>
    var array = [],
      elems = {},
      elem,
      stage = document.getElementById("stage"),
      size = 50,
      x, y;

    // create DOM elements
    for (x = 0; x < size; x++){
      for (y = 0; y < size; y++){
        elem = document.createElement("div");
        stage.appendChild(elem);
        elems[x + "," + y] = elem;
        array.push(Math.random() < 0.5);
      }
      stage.appendChild(document.createElement("br"));
    }

    // render stage
    function play(){
      var index = 0, color;

      array = life(array, size);
      for (x = 0; x < size; x++){
        for (y = 0; y < size; y++){
          elems[x + "," + y].className = array[index++] ? "alive" : "";
        }
      }
      setTimeout(play, 10);
    }
    play();
  </script>
</body>
	life = function(
	input, // input array
	size, // square stage size (width and height)
	output, i, neighbours // placeholders
	){
	// cycle through cells
	for (
	output = [i = size*size];
	i--;
	output[i] =
	// alive if it has 3 neighbours
	neighbours == 3 \|\|
	// stay alive if cell has 2 neighbours
	(input[i] && neighbours == 2)
	) {
	neighbours =
	// count neighbours
	input[i-size-1] + input[i-size] + input[i-size+1] +
	input[i -1] + input[i +1] +
	input[i+size-1] + input[i+size] + input[i+size+1];
	}

	return output;
	}
	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.
	{
	"name": "gameOfLife",

	"description": "Implementation of Conway's Game of Live.",

	"keywords": [
	"conway",
	"game",
	"life",
	"cellular",
	"automaton"
	]
	}
	<!DOCTYPE html>
	<head>
	<title>Game of Life</title>

	<style type="text/css" media="screen">
	#stage {
	line-height:12px;
	}

	#stage div{
	display: block;
	float: left;
	width: 10px;
	height: 10px;
	margin: 1px 1px 0 0;
	background-color: #EEE;
	}
	#stage div.alive {
	background-color: #000;
	}
	</style>

	</head>
	<body>
	<div id="stage"></div>

	<a href="https://gist.github.com/1134658">Source</a>
	<script src="annotated.js" type="text/javascript" charset="utf-8"></script>


	<script>
	var array = [],
	elems = {},
	elem,
	stage = document.getElementById("stage"),
	size = 50,
	x, y;

	// create DOM elements
	for (x = 0; x < size; x++){
	for (y = 0; y < size; y++){
	elem = document.createElement("div");
	stage.appendChild(elem);
	elems[x + "," + y] = elem;
	array.push(Math.random() < 0.5);
	}
	stage.appendChild(document.createElement("br"));
	}

	// render stage
	function play(){
	var index = 0, color;

	array = life(array, size);
	for (x = 0; x < size; x++){
	for (y = 0; y < size; y++){
	elems[x + "," + y].className = array[index++] ? "alive" : "";
	}
	}
	setTimeout(play, 10);
	}
	play();
	</script>
	</body>