aemkei · August 29, 2015 14:23
diff --git a/README.md b/README.md
diff --git a/annotated.js b/annotated.js
 function(l, k)               //level object, keyCode
 {
  l[l.x] = 0;                //remove player from level
  l.p += l[                  //increase points
    l.x +=                   //walk
      l.d =                  //calculate walking direction
        k - 37 >> 2 ||       //if no cursor key was pressed or
        l[l.x + (            //check new position
          k = k % 2          //calculate new walking direction
            ? k - 38         //-1 is left, +1 is right
            : (k - 39) * l.w //-width is up, +width is down
        )] & 4               //if it's not possible to use new direction
          ? l[l.x + l.d      //then check old direction
            ] & 4            //if it's a wall
              ? 0            //stop
              : l.d          //else use old direction
          : k                //else use new direction
  ] == 2;                    //if walking into some gold
  l.e |= l[l.x] & 8;
  l[l.x] = 1                 //place player in level
 }
diff --git a/index.js b/index.js
 function(l,k){l[l.x]=0;l.p+=l[l.x+=l.d=k-37>>2||l[l.x+(k=k%2?k-38:(k-39)*l.w)]&4?l[l.x+l.d]&4?0:l.d:k]==2;l.e|=l[l.x]&8;l[l.x]=1}
diff --git a/LICENSE.txt b/LICENSE.txt
            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 Thiemo Mättig <http://maettig.com/>

 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.
diff --git a/package.json b/package.json
 {
  "name": "pacMan",

  "description": "Pac-Man made with 140byte.es snippets.",

  "keywords": [
    "game",
    "pacman"
  ]
 }
diff --git a/test.html b/test.html
 <!DOCTYPE HTML>
 <pre>LOADING...</pre>
 <h2></h2>
 <span id="points">0</span> POINTS
 <style type="text/css">
  * { color: #FFF; font-family: Consolas, monospace; text-shadow: 0 0 .2em #FFF; }
  body { background: #000; margin: 4em; }
  h2 { font-size: 3em; margin: .2em 0; }
  img { border: 0; font-size: 32px; height: 32px; padding: 1px; vertical-align: top; width: 32px; }
  pre { font-size: 58px; line-height: 32px; margin: 0; }
  #points { font-size: 2em; line-height: 2em; }
  .air { color: #222; text-shadow: 0 0 .2em #222; }
  .player { color: #FD0; text-shadow: 0 0 .2em #FD0; }
  .wall { color: #30F; text-shadow: 0 0 .2em #30F; }
  .ghost { color: #A0F; text-shadow: 0 0 .2em #A0F; }
 </style>
 <script type="text/javascript">
 // 138 bytes
 var getFirstElement = function(a)
 {
  a = /([#.]?)(.*)/.exec(a||'*');
  a = document['getElement' + (a[1] > '-' ? 'sByClassName' : a[1] ? 'ById' : 'sByTagName')](a[2]);
  return a[0] || a
 }
 // 69 bytes
 var getOuterHTML = function(a)
 {
  return a.outerHTML || XMLSerializer().serializeToString(a)
 }
 // 131 bytes
 var parseLevel = function(l, w, c)
 {
  l = l.join ? l.join('\n') : l;             //if it's an Array of rows
  w = l.indexOf('\n') + 1;                   //calculate row length
  c = l.split(2).length - 1;                 //count gold
  l = l.split('');                           //convert to character array
  l.w = w;                                   //store width
  l.c = c;                                   //store gold count
  l.d = l.p = l.a = 0;                       //initialize player walking direction, points, ghosts angle
  return l
 }
 // 136 bytes
 var loadSprites = function(t, f)             //theme, filename with $1 placeholder
 {
  for (var i in t)
    with (new Image())                       //new is required in IE
    {
      alt = i;
      onload = function()
      {
        t[this.alt] = getOuterHTML(this)
      }
      src = t[i].replace(/.*"(.*)".*/, f)
    }
 }
 // 115 bytes
 var renderLevel = function(l, t)             //level object, optional theme object
 {
  for (var h = '', x = 0; x < l.length; x++)
  {
    if (l[x] & 1) l.x = x;                   //store player position
    if (l[x] & 8) l.g = x;                   //store ghost position
    h += t && t[l[x]] ? t[l[x]] : l[x]       //use theme or original character (e.g. the newline)
  }
  return h
 }
 // 129 bytes
 var updatePlayer = function(l, k)
 {
  l[l.x] = 0;
  l.p += l[l.x += l.d = k - 37 >> 2 || l[l.x + (k = k % 2 ? k - 38 : (k - 39) * l.w)] & 4 ? l[l.x + l.d] & 4 ? 0 : l.d : k] == 2;
  l.e |= l[l.x] & 8;
  l[l.x] = 1
 }
 // 109 bytes
 var updateGhost = function(l, d)
 {
  l[l.g] = l.o || 0;                         //remove ghost, place backup item
  d = l.a % 4;
  d = d % 2 ? d - 2 : (d - 1) * l.w;         //calculate walking direction
  l[l.g + d] & 4                             //if walking into a wall
    ? l.a++                                  //rotate ghost by 90 degree
    : l.g += d;                              //else walk
  l.e |= (l.o = l[l.g])                      //backup item from ghost position
    & 1;                                     //check if hitting the player
  l[l.g] = 8                                 //place ghost
 }
 var level = parseLevel(
  '4444444444444444444\n' +
  '4222242222222422224\n' +
  '4244242444442424424\n' +
  '4242222222222222424\n' +
  '4242442440442442424\n' +
  '4222222408042222224\n' +
  '4242442444442442424\n' +
  '4242222221222222424\n' +
  '4244242444442424424\n' +
  '4222242222222422224\n' +
  '4444444444444444444');
 var theme = {
  0: '<span class="air">\u2219</span>',      //doesn't need to be checked
  1: '<span class="player">\u263B</span>',   //can be checked with &1
  2: '<span class="gold">\u2219</span>',     //can be checked with &2
  4: '<span class="wall">\u25A1</span>',     //can be checked with &4
  8: '<span class="ghost">\u00A4</span>',    //can be checked with &8 or >7
  '\n': '<br>'                               //required for IE
 }
 loadSprites(theme, 'sprite-$1.gif');         //load optional GIF files from the same directory
 document.onkeydown = function(e)
 {
  level.keyCode = (e || window.event).keyCode
 }
 renderLevel(level);                          //dummy call to get player and ghost positions
 window.setInterval(function()
 {
  !level.e && level.p < level.c && (         //stop updating when lost or won
    updatePlayer(level, level.keyCode || 0),
    updateGhost(level));
  getFirstElement('PRE').innerHTML = renderLevel(level, theme);
  getFirstElement('#points').innerHTML = level.p;
  getFirstElement('H2').innerHTML = level.e ? 'GAME OVER!' : level.p < level.c ? '' : 'YOU WIN!'
 }, 250)
 </script>
	function(l, k) //level object, keyCode
	{
	l[l.x] = 0; //remove player from level
	l.p += l[ //increase points
	l.x += //walk
	l.d = //calculate walking direction
	k - 37 >> 2 \|\| //if no cursor key was pressed or
	l[l.x + ( //check new position
	k = k % 2 //calculate new walking direction
	? k - 38 //-1 is left, +1 is right
	: (k - 39) * l.w //-width is up, +width is down
	)] & 4 //if it's not possible to use new direction
	? l[l.x + l.d //then check old direction
	] & 4 //if it's a wall
	? 0 //stop
	: l.d //else use old direction
	: k //else use new direction
	] == 2; //if walking into some gold
	l.e \|= l[l.x] & 8;
	l[l.x] = 1 //place player in level
	}
	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	Version 2, December 2004

	Copyright (C) 2011 Thiemo Mättig <http://maettig.com/>

	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": "pacMan",

	"description": "Pac-Man made with 140byte.es snippets.",

	"keywords": [
	"game",
	"pacman"
	]
	}
	<!DOCTYPE HTML>
	<pre>LOADING...</pre>
	<h2></h2>
	<span id="points">0</span> POINTS
	<style type="text/css">
	* { color: #FFF; font-family: Consolas, monospace; text-shadow: 0 0 .2em #FFF; }
	body { background: #000; margin: 4em; }
	h2 { font-size: 3em; margin: .2em 0; }
	img { border: 0; font-size: 32px; height: 32px; padding: 1px; vertical-align: top; width: 32px; }
	pre { font-size: 58px; line-height: 32px; margin: 0; }
	#points { font-size: 2em; line-height: 2em; }
	.air { color: #222; text-shadow: 0 0 .2em #222; }
	.player { color: #FD0; text-shadow: 0 0 .2em #FD0; }
	.wall { color: #30F; text-shadow: 0 0 .2em #30F; }
	.ghost { color: #A0F; text-shadow: 0 0 .2em #A0F; }
	</style>
	<script type="text/javascript">
	// 138 bytes
	var getFirstElement = function(a)
	{
	a = /([#.]?)(.)/.exec(a\|\|'');
	a = document['getElement' + (a[1] > '-' ? 'sByClassName' : a[1] ? 'ById' : 'sByTagName')](a[2]);
	return a[0] \|\| a
	}
	// 69 bytes
	var getOuterHTML = function(a)
	{
	return a.outerHTML \|\| XMLSerializer().serializeToString(a)
	}
	// 131 bytes
	var parseLevel = function(l, w, c)
	{
	l = l.join ? l.join('\n') : l; //if it's an Array of rows
	w = l.indexOf('\n') + 1; //calculate row length
	c = l.split(2).length - 1; //count gold
	l = l.split(''); //convert to character array
	l.w = w; //store width
	l.c = c; //store gold count
	l.d = l.p = l.a = 0; //initialize player walking direction, points, ghosts angle
	return l
	}
	// 136 bytes
	var loadSprites = function(t, f) //theme, filename with $1 placeholder
	{
	for (var i in t)
	with (new Image()) //new is required in IE
	{
	alt = i;
	onload = function()
	{
	t[this.alt] = getOuterHTML(this)
	}
	src = t[i].replace(/."(.)".*/, f)
	}
	}
	// 115 bytes
	var renderLevel = function(l, t) //level object, optional theme object
	{
	for (var h = '', x = 0; x < l.length; x++)
	{
	if (l[x] & 1) l.x = x; //store player position
	if (l[x] & 8) l.g = x; //store ghost position
	h += t && t[l[x]] ? t[l[x]] : l[x] //use theme or original character (e.g. the newline)
	}
	return h
	}
	// 129 bytes
	var updatePlayer = function(l, k)
	{
	l[l.x] = 0;
	l.p += l[l.x += l.d = k - 37 >> 2 \|\| l[l.x + (k = k % 2 ? k - 38 : (k - 39) * l.w)] & 4 ? l[l.x + l.d] & 4 ? 0 : l.d : k] == 2;
	l.e \|= l[l.x] & 8;
	l[l.x] = 1
	}
	// 109 bytes
	var updateGhost = function(l, d)
	{
	l[l.g] = l.o \|\| 0; //remove ghost, place backup item
	d = l.a % 4;
	d = d % 2 ? d - 2 : (d - 1) * l.w; //calculate walking direction
	l[l.g + d] & 4 //if walking into a wall
	? l.a++ //rotate ghost by 90 degree
	: l.g += d; //else walk
	l.e \|= (l.o = l[l.g]) //backup item from ghost position
	& 1; //check if hitting the player
	l[l.g] = 8 //place ghost
	}
	var level = parseLevel(
	'4444444444444444444\n' +
	'4222242222222422224\n' +
	'4244242444442424424\n' +
	'4242222222222222424\n' +
	'4242442440442442424\n' +
	'4222222408042222224\n' +
	'4242442444442442424\n' +
	'4242222221222222424\n' +
	'4244242444442424424\n' +
	'4222242222222422224\n' +
	'4444444444444444444');
	var theme = {
	0: '<span class="air">\u2219</span>', //doesn't need to be checked
	1: '<span class="player">\u263B</span>', //can be checked with &1
	2: '<span class="gold">\u2219</span>', //can be checked with &2
	4: '<span class="wall">\u25A1</span>', //can be checked with &4
	8: '<span class="ghost">\u00A4</span>', //can be checked with &8 or >7
	'\n': '<br>' //required for IE
	}
	loadSprites(theme, 'sprite-$1.gif'); //load optional GIF files from the same directory
	document.onkeydown = function(e)
	{
	level.keyCode = (e \|\| window.event).keyCode
	}
	renderLevel(level); //dummy call to get player and ghost positions
	window.setInterval(function()
	{
	!level.e && level.p < level.c && ( //stop updating when lost or won
	updatePlayer(level, level.keyCode \|\| 0),
	updateGhost(level));
	getFirstElement('PRE').innerHTML = renderLevel(level, theme);
	getFirstElement('#points').innerHTML = level.p;
	getFirstElement('H2').innerHTML = level.e ? 'GAME OVER!' : level.p < level.c ? '' : 'YOU WIN!'
	}, 250)
	</script>