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2048.html
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2048.html
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<!DOCTYPE html>
<html>
<script src='/everypage.js'></script>
<head>
<meta charset="utf-8">
<title>2048</title>
<link rel="shortcut icon"
type="image/jpg" href="2048.png"
/>
<style>
@import url(fonts/clear-sans.css);
html, body {
margin: 0;
padding: 0;
background: #faf8ef;
color: #776e65;
font-family: "Clear Sans", "Helvetica Neue", Arial, sans-serif;
font-size: 18px; }
body {
margin: 80px 0; }
.heading:after {
content: "";
display: block;
clear: both; }
h1.title {
font-size: 80px;
font-weight: bold;
margin: 0;
display: block;
float: left; }
@-webkit-keyframes move-up {
0% {
top: 25px;
opacity: 1; }
100% {
top: -50px;
opacity: 0; } }
@-moz-keyframes move-up {
0% {
top: 25px;
opacity: 1; }
100% {
top: -50px;
opacity: 0; } }
@keyframes move-up {
0% {
top: 25px;
opacity: 1; }
100% {
top: -50px;
opacity: 0; } }
.scores-container {
float: right;
text-align: right; }
.score-container, .best-container {
position: relative;
display: inline-block;
background: #bbada0;
padding: 15px 25px;
font-size: 25px;
height: 25px;
line-height: 47px;
font-weight: bold;
border-radius: 3px;
color: white;
margin-top: 8px;
text-align: center; }
.score-container:after, .best-container:after {
position: absolute;
width: 100%;
top: 10px;
left: 0;
text-transform: uppercase;
font-size: 13px;
line-height: 13px;
text-align: center;
color: #eee4da; }
.score-container .score-addition, .best-container .score-addition {
position: absolute;
right: 30px;
color: red;
font-size: 25px;
line-height: 25px;
font-weight: bold;
color: rgba(119, 110, 101, 0.9);
z-index: 100;
-webkit-animation: move-up 600ms ease-in;
-moz-animation: move-up 600ms ease-in;
animation: move-up 600ms ease-in;
-webkit-animation-fill-mode: both;
-moz-animation-fill-mode: both;
animation-fill-mode: both; }
.score-container:after {
content: "Score"; }
.best-container:after {
content: "Best"; }
p {
margin-top: 0;
margin-bottom: 10px;
line-height: 1.65; }
a {
color: #776e65;
font-weight: bold;
text-decoration: underline;
cursor: pointer; }
strong.important {
text-transform: uppercase; }
hr {
border: none;
border-bottom: 1px solid #d8d4d0;
margin-top: 20px;
margin-bottom: 30px; }
.container {
width: 500px;
margin: 0 auto; }
@-webkit-keyframes fade-in {
0% {
opacity: 0; }
100% {
opacity: 1; } }
@-moz-keyframes fade-in {
0% {
opacity: 0; }
100% {
opacity: 1; } }
@keyframes fade-in {
0% {
opacity: 0; }
100% {
opacity: 1; } }
.game-container {
margin-top: 40px;
position: relative;
padding: 15px;
cursor: default;
-webkit-touch-callout: none;
-ms-touch-callout: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
-ms-touch-action: none;
touch-action: none;
background: #bbada0;
border-radius: 6px;
width: 500px;
height: 500px;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box; }
.game-container .game-message {
display: none;
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
background: rgba(238, 228, 218, 0.5);
z-index: 100;
text-align: center;
-webkit-animation: fade-in 800ms ease 1200ms;
-moz-animation: fade-in 800ms ease 1200ms;
animation: fade-in 800ms ease 1200ms;
-webkit-animation-fill-mode: both;
-moz-animation-fill-mode: both;
animation-fill-mode: both; }
.game-container .game-message p {
font-size: 60px;
font-weight: bold;
height: 60px;
line-height: 60px;
margin-top: 222px; }
.game-container .game-message .lower {
display: block;
margin-top: 59px; }
.game-container .game-message a {
display: inline-block;
background: #8f7a66;
border-radius: 3px;
padding: 0 20px;
text-decoration: none;
color: #f9f6f2;
height: 40px;
line-height: 42px;
margin-left: 9px; }
.game-container .game-message a.keep-playing-button {
display: none; }
.game-container .game-message.game-won {
background: rgba(237, 194, 46, 0.5);
color: #f9f6f2; }
.game-container .game-message.game-won a.keep-playing-button {
display: inline-block; }
.game-container .game-message.game-won, .game-container .game-message.game-over {
display: block; }
.grid-container {
position: absolute;
z-index: 1; }
.grid-row {
margin-bottom: 15px; }
.grid-row:last-child {
margin-bottom: 0; }
.grid-row:after {
content: "";
display: block;
clear: both; }
.grid-cell {
width: 106.25px;
height: 106.25px;
margin-right: 15px;
float: left;
border-radius: 3px;
background: rgba(238, 228, 218, 0.35); }
.grid-cell:last-child {
margin-right: 0; }
.tile-container {
position: absolute;
z-index: 2; }
.tile, .tile .tile-inner {
width: 107px;
height: 107px;
line-height: 107px; }
.tile.tile-position-1-1 {
-webkit-transform: translate(0px, 0px);
-moz-transform: translate(0px, 0px);
-ms-transform: translate(0px, 0px);
transform: translate(0px, 0px); }
.tile.tile-position-1-2 {
-webkit-transform: translate(0px, 121px);
-moz-transform: translate(0px, 121px);
-ms-transform: translate(0px, 121px);
transform: translate(0px, 121px); }
.tile.tile-position-1-3 {
-webkit-transform: translate(0px, 242px);
-moz-transform: translate(0px, 242px);
-ms-transform: translate(0px, 242px);
transform: translate(0px, 242px); }
.tile.tile-position-1-4 {
-webkit-transform: translate(0px, 363px);
-moz-transform: translate(0px, 363px);
-ms-transform: translate(0px, 363px);
transform: translate(0px, 363px); }
.tile.tile-position-2-1 {
-webkit-transform: translate(121px, 0px);
-moz-transform: translate(121px, 0px);
-ms-transform: translate(121px, 0px);
transform: translate(121px, 0px); }
.tile.tile-position-2-2 {
-webkit-transform: translate(121px, 121px);
-moz-transform: translate(121px, 121px);
-ms-transform: translate(121px, 121px);
transform: translate(121px, 121px); }
.tile.tile-position-2-3 {
-webkit-transform: translate(121px, 242px);
-moz-transform: translate(121px, 242px);
-ms-transform: translate(121px, 242px);
transform: translate(121px, 242px); }
.tile.tile-position-2-4 {
-webkit-transform: translate(121px, 363px);
-moz-transform: translate(121px, 363px);
-ms-transform: translate(121px, 363px);
transform: translate(121px, 363px); }
.tile.tile-position-3-1 {
-webkit-transform: translate(242px, 0px);
-moz-transform: translate(242px, 0px);
-ms-transform: translate(242px, 0px);
transform: translate(242px, 0px); }
.tile.tile-position-3-2 {
-webkit-transform: translate(242px, 121px);
-moz-transform: translate(242px, 121px);
-ms-transform: translate(242px, 121px);
transform: translate(242px, 121px); }
.tile.tile-position-3-3 {
-webkit-transform: translate(242px, 242px);
-moz-transform: translate(242px, 242px);
-ms-transform: translate(242px, 242px);
transform: translate(242px, 242px); }
.tile.tile-position-3-4 {
-webkit-transform: translate(242px, 363px);
-moz-transform: translate(242px, 363px);
-ms-transform: translate(242px, 363px);
transform: translate(242px, 363px); }
.tile.tile-position-4-1 {
-webkit-transform: translate(363px, 0px);
-moz-transform: translate(363px, 0px);
-ms-transform: translate(363px, 0px);
transform: translate(363px, 0px); }
.tile.tile-position-4-2 {
-webkit-transform: translate(363px, 121px);
-moz-transform: translate(363px, 121px);
-ms-transform: translate(363px, 121px);
transform: translate(363px, 121px); }
.tile.tile-position-4-3 {
-webkit-transform: translate(363px, 242px);
-moz-transform: translate(363px, 242px);
-ms-transform: translate(363px, 242px);
transform: translate(363px, 242px); }
.tile.tile-position-4-4 {
-webkit-transform: translate(363px, 363px);
-moz-transform: translate(363px, 363px);
-ms-transform: translate(363px, 363px);
transform: translate(363px, 363px); }
.tile {
position: absolute;
-webkit-transition: 100ms ease-in-out;
-moz-transition: 100ms ease-in-out;
transition: 100ms ease-in-out;
-webkit-transition-property: -webkit-transform;
-moz-transition-property: -moz-transform;
transition-property: transform; }
.tile .tile-inner {
border-radius: 3px;
background: #eee4da;
text-align: center;
font-weight: bold;
z-index: 10;
font-size: 55px; }
.tile.tile-2 .tile-inner {
background: #eee4da;
box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0); }
.tile.tile-4 .tile-inner {
background: #ede0c8;
box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0); }
.tile.tile-8 .tile-inner {
color: #f9f6f2;
background: #f2b179; }
.tile.tile-16 .tile-inner {
color: #f9f6f2;
background: #f59563; }
.tile.tile-32 .tile-inner {
color: #f9f6f2;
background: #f67c5f; }
.tile.tile-64 .tile-inner {
color: #f9f6f2;
background: #f65e3b; }
.tile.tile-128 .tile-inner {
color: #f9f6f2;
background: #edcf72;
box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.2381), inset 0 0 0 1px rgba(255, 255, 255, 0.14286);
font-size: 45px; }
@media screen and (max-width: 520px) {
.tile.tile-128 .tile-inner {
font-size: 25px; } }
.tile.tile-256 .tile-inner {
color: #f9f6f2;
background: #edcc61;
box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.31746), inset 0 0 0 1px rgba(255, 255, 255, 0.19048);
font-size: 45px; }
@media screen and (max-width: 520px) {
.tile.tile-256 .tile-inner {
font-size: 25px; } }
.tile.tile-512 .tile-inner {
color: #f9f6f2;
background: #edc850;
box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.39683), inset 0 0 0 1px rgba(255, 255, 255, 0.2381);
font-size: 45px; }
@media screen and (max-width: 520px) {
.tile.tile-512 .tile-inner {
font-size: 25px; } }
.tile.tile-1024 .tile-inner {
color: #f9f6f2;
background: #edc53f;
box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.47619), inset 0 0 0 1px rgba(255, 255, 255, 0.28571);
font-size: 35px; }
@media screen and (max-width: 520px) {
.tile.tile-1024 .tile-inner {
font-size: 15px; } }
.tile.tile-2048 .tile-inner {
color: #f9f6f2;
background: #edc22e;
box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.55556), inset 0 0 0 1px rgba(255, 255, 255, 0.33333);
font-size: 35px; }
@media screen and (max-width: 520px) {
.tile.tile-2048 .tile-inner {
font-size: 15px; } }
.tile.tile-super .tile-inner {
color: #f9f6f2;
background: #3c3a32;
font-size: 30px; }
@media screen and (max-width: 520px) {
.tile.tile-super .tile-inner {
font-size: 10px; } }
@-webkit-keyframes appear {
0% {
opacity: 0;
-webkit-transform: scale(0);
-moz-transform: scale(0);
-ms-transform: scale(0);
transform: scale(0); }
100% {
opacity: 1;
-webkit-transform: scale(1);
-moz-transform: scale(1);
-ms-transform: scale(1);
transform: scale(1); } }
@-moz-keyframes appear {
0% {
opacity: 0;
-webkit-transform: scale(0);
-moz-transform: scale(0);
-ms-transform: scale(0);
transform: scale(0); }
100% {
opacity: 1;
-webkit-transform: scale(1);
-moz-transform: scale(1);
-ms-transform: scale(1);
transform: scale(1); } }
@keyframes appear {
0% {
opacity: 0;
-webkit-transform: scale(0);
-moz-transform: scale(0);
-ms-transform: scale(0);
transform: scale(0); }
100% {
opacity: 1;
-webkit-transform: scale(1);
-moz-transform: scale(1);
-ms-transform: scale(1);
transform: scale(1); } }
.tile-new .tile-inner {
-webkit-animation: appear 200ms ease 100ms;
-moz-animation: appear 200ms ease 100ms;
animation: appear 200ms ease 100ms;
-webkit-animation-fill-mode: backwards;
-moz-animation-fill-mode: backwards;
animation-fill-mode: backwards; }
@-webkit-keyframes pop {
0% {
-webkit-transform: scale(0);
-moz-transform: scale(0);
-ms-transform: scale(0);
transform: scale(0); }
50% {
-webkit-transform: scale(1.2);
-moz-transform: scale(1.2);
-ms-transform: scale(1.2);
transform: scale(1.2); }
100% {
-webkit-transform: scale(1);
-moz-transform: scale(1);
-ms-transform: scale(1);
transform: scale(1); } }
@-moz-keyframes pop {
0% {
-webkit-transform: scale(0);
-moz-transform: scale(0);
-ms-transform: scale(0);
transform: scale(0); }
50% {
-webkit-transform: scale(1.2);
-moz-transform: scale(1.2);
-ms-transform: scale(1.2);
transform: scale(1.2); }
100% {
-webkit-transform: scale(1);
-moz-transform: scale(1);
-ms-transform: scale(1);
transform: scale(1); } }
@keyframes pop {
0% {
-webkit-transform: scale(0);
-moz-transform: scale(0);
-ms-transform: scale(0);
transform: scale(0); }
50% {
-webkit-transform: scale(1.2);
-moz-transform: scale(1.2);
-ms-transform: scale(1.2);
transform: scale(1.2); }
100% {
-webkit-transform: scale(1);
-moz-transform: scale(1);
-ms-transform: scale(1);
transform: scale(1); } }
.tile-merged .tile-inner {
z-index: 20;
-webkit-animation: pop 200ms ease 100ms;
-moz-animation: pop 200ms ease 100ms;
animation: pop 200ms ease 100ms;
-webkit-animation-fill-mode: backwards;
-moz-animation-fill-mode: backwards;
animation-fill-mode: backwards; }
.above-game:after {
content: "";
display: block;
clear: both; }
.game-intro {
float: left;
line-height: 42px;
margin-bottom: 0; }
.restart-button {
display: inline-block;
background: #8f7a66;
border-radius: 3px;
padding: 0 20px;
text-decoration: none;
color: #f9f6f2;
height: 40px;
line-height: 42px;
display: block;
text-align: center;
float: right; }
.game-explanation {
margin-top: 50px; }
@media screen and (max-width: 520px) {
html, body {
font-size: 15px; }
body {
margin: 20px 0;
padding: 0 20px; }
h1.title {
font-size: 27px;
margin-top: 15px; }
.container {
width: 280px;
margin: 0 auto; }
.score-container, .best-container {
margin-top: 0;
padding: 15px 10px;
min-width: 40px; }
.heading {
margin-bottom: 10px; }
.game-intro {
width: 55%;
display: block;
box-sizing: border-box;
line-height: 1.65; }
.restart-button {
width: 42%;
padding: 0;
display: block;
box-sizing: border-box;
margin-top: 2px; }
.game-container {
margin-top: 17px;
position: relative;
padding: 10px;
cursor: default;
-webkit-touch-callout: none;
-ms-touch-callout: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
-ms-touch-action: none;
touch-action: none;
background: #bbada0;
border-radius: 6px;
width: 280px;
height: 280px;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box; }
.game-container .game-message {
display: none;
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
background: rgba(238, 228, 218, 0.5);
z-index: 100;
text-align: center;
-webkit-animation: fade-in 800ms ease 1200ms;
-moz-animation: fade-in 800ms ease 1200ms;
animation: fade-in 800ms ease 1200ms;
-webkit-animation-fill-mode: both;
-moz-animation-fill-mode: both;
animation-fill-mode: both; }
.game-container .game-message p {
font-size: 60px;
font-weight: bold;
height: 60px;
line-height: 60px;
margin-top: 222px; }
.game-container .game-message .lower {
display: block;
margin-top: 59px; }
.game-container .game-message a {
display: inline-block;
background: #8f7a66;
border-radius: 3px;
padding: 0 20px;
text-decoration: none;
color: #f9f6f2;
height: 40px;
line-height: 42px;
margin-left: 9px; }
.game-container .game-message a.keep-playing-button {
display: none; }
.game-container .game-message.game-won {
background: rgba(237, 194, 46, 0.5);
color: #f9f6f2; }
.game-container .game-message.game-won a.keep-playing-button {
display: inline-block; }
.game-container .game-message.game-won, .game-container .game-message.game-over {
display: block; }
.grid-container {
position: absolute;
z-index: 1; }
.grid-row {
margin-bottom: 10px; }
.grid-row:last-child {
margin-bottom: 0; }
.grid-row:after {
content: "";
display: block;
clear: both; }
.grid-cell {
width: 57.5px;
height: 57.5px;
margin-right: 10px;
float: left;
border-radius: 3px;
background: rgba(238, 228, 218, 0.35); }
.grid-cell:last-child {
margin-right: 0; }
.tile-container {
position: absolute;
z-index: 2; }
.tile, .tile .tile-inner {
width: 58px;
height: 58px;
line-height: 58px; }
.tile.tile-position-1-1 {
-webkit-transform: translate(0px, 0px);
-moz-transform: translate(0px, 0px);
-ms-transform: translate(0px, 0px);
transform: translate(0px, 0px); }
.tile.tile-position-1-2 {
-webkit-transform: translate(0px, 67px);
-moz-transform: translate(0px, 67px);
-ms-transform: translate(0px, 67px);
transform: translate(0px, 67px); }
.tile.tile-position-1-3 {
-webkit-transform: translate(0px, 135px);
-moz-transform: translate(0px, 135px);
-ms-transform: translate(0px, 135px);
transform: translate(0px, 135px); }
.tile.tile-position-1-4 {
-webkit-transform: translate(0px, 202px);
-moz-transform: translate(0px, 202px);
-ms-transform: translate(0px, 202px);
transform: translate(0px, 202px); }
.tile.tile-position-2-1 {
-webkit-transform: translate(67px, 0px);
-moz-transform: translate(67px, 0px);
-ms-transform: translate(67px, 0px);
transform: translate(67px, 0px); }
.tile.tile-position-2-2 {
-webkit-transform: translate(67px, 67px);
-moz-transform: translate(67px, 67px);
-ms-transform: translate(67px, 67px);
transform: translate(67px, 67px); }
.tile.tile-position-2-3 {
-webkit-transform: translate(67px, 135px);
-moz-transform: translate(67px, 135px);
-ms-transform: translate(67px, 135px);
transform: translate(67px, 135px); }
.tile.tile-position-2-4 {
-webkit-transform: translate(67px, 202px);
-moz-transform: translate(67px, 202px);
-ms-transform: translate(67px, 202px);
transform: translate(67px, 202px); }
.tile.tile-position-3-1 {
-webkit-transform: translate(135px, 0px);
-moz-transform: translate(135px, 0px);
-ms-transform: translate(135px, 0px);
transform: translate(135px, 0px); }
.tile.tile-position-3-2 {
-webkit-transform: translate(135px, 67px);
-moz-transform: translate(135px, 67px);
-ms-transform: translate(135px, 67px);
transform: translate(135px, 67px); }
.tile.tile-position-3-3 {
-webkit-transform: translate(135px, 135px);
-moz-transform: translate(135px, 135px);
-ms-transform: translate(135px, 135px);
transform: translate(135px, 135px); }
.tile.tile-position-3-4 {
-webkit-transform: translate(135px, 202px);
-moz-transform: translate(135px, 202px);
-ms-transform: translate(135px, 202px);
transform: translate(135px, 202px); }
.tile.tile-position-4-1 {
-webkit-transform: translate(202px, 0px);
-moz-transform: translate(202px, 0px);
-ms-transform: translate(202px, 0px);
transform: translate(202px, 0px); }
.tile.tile-position-4-2 {
-webkit-transform: translate(202px, 67px);
-moz-transform: translate(202px, 67px);
-ms-transform: translate(202px, 67px);
transform: translate(202px, 67px); }
.tile.tile-position-4-3 {
-webkit-transform: translate(202px, 135px);
-moz-transform: translate(202px, 135px);
-ms-transform: translate(202px, 135px);
transform: translate(202px, 135px); }
.tile.tile-position-4-4 {
-webkit-transform: translate(202px, 202px);
-moz-transform: translate(202px, 202px);
-ms-transform: translate(202px, 202px);
transform: translate(202px, 202px); }
.tile .tile-inner {
font-size: 35px; }
.game-message p {
font-size: 30px !important;
height: 30px !important;
line-height: 30px !important;
margin-top: 90px !important; }
.game-message .lower {
margin-top: 30px !important; } }
</style>
</head>
<body>
<div class="container">
<div class="heading">
<h1 class="title">2048</h1>
<div class="scores-container">
<div class="score-container">0</div>
<div class="best-container">0</div>
</div>
</div>
<a href="/">Back To Home Page</a>
<div class="above-game">
<p class="game-intro">Join the numbers and get to the <strong>2048 tile!</strong></p>
<a class="restart-button">New Game</a>
</div>
<div class="game-container">
<div class="game-message">
<p></p>
<div class="lower">
<a class="keep-playing-button">Keep going</a>
<a class="retry-button">Try again</a>
</div>
</div>
<div class="grid-container">
<div class="grid-row">
<div class="grid-cell"></div>
<div class="grid-cell"></div>
<div class="grid-cell"></div>
<div class="grid-cell"></div>
</div>
<div class="grid-row">
<div class="grid-cell"></div>
<div class="grid-cell"></div>
<div class="grid-cell"></div>
<div class="grid-cell"></div>
</div>
<div class="grid-row">
<div class="grid-cell"></div>
<div class="grid-cell"></div>
<div class="grid-cell"></div>
<div class="grid-cell"></div>
</div>
<div class="grid-row">
<div class="grid-cell"></div>
<div class="grid-cell"></div>
<div class="grid-cell"></div>
<div class="grid-cell"></div>
</div>
</div>
<div class="tile-container">
</div>
</div>
<p class="game-explanation">
<strong class="important">How to play:</strong> Use your <strong>arrow keys</strong> to move the tiles. When two tiles with the same number touch, they <strong>merge into one!</strong>
</p>
</div>
<script>
Function.prototype.bind = Function.prototype.bind || function (target) {
var self = this;
return function (args) {
if (!(args instanceof Array)) {
args = [args];
}
self.apply(target, args);
};
};
</script>
<script>
(function () {
if (typeof window.Element === "undefined" ||
"classList" in document.documentElement) {
return;
}
var prototype = Array.prototype,
push = prototype.push,
splice = prototype.splice,
join = prototype.join;
function DOMTokenList(el) {
this.el = el;
// The className needs to be trimmed and split on whitespace
// to retrieve a list of classes.
var classes = el.className.replace(/^\s+|\s+$/g, '').split(/\s+/);
for (var i = 0; i < classes.length; i++) {
push.call(this, classes[i]);
}
}
DOMTokenList.prototype = {
add: function (token) {
if (this.contains(token)) return;
push.call(this, token);
this.el.className = this.toString();
},
contains: function (token) {
return this.el.className.indexOf(token) != -1;
},
item: function (index) {
return this[index] || null;
},
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splice.call(this, i, 1);
this.el.className = this.toString();
},
toString: function () {
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},
toggle: function (token) {
if (!this.contains(token)) {
this.add(token);
} else {
this.remove(token);
}
return this.contains(token);
}
};
window.DOMTokenList = DOMTokenList;
function defineElementGetter(obj, prop, getter) {
if (Object.defineProperty) {
Object.defineProperty(obj, prop, {
get: getter
});
} else {
obj.__defineGetter__(prop, getter);
}
}
defineElementGetter(HTMLElement.prototype, 'classList', function () {
return new DOMTokenList(this);
});
})();
</script>
<script>
(function () {
var lastTime = 0;
var vendors = ['webkit', 'moz'];
for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame'] ||
window[vendors[x] + 'CancelRequestAnimationFrame'];
}
if (!window.requestAnimationFrame) {
window.requestAnimationFrame = function (callback) {
var currTime = new Date().getTime();
var timeToCall = Math.max(0, 16 - (currTime - lastTime));
var id = window.setTimeout(function () {
callback(currTime + timeToCall);
},
timeToCall);
lastTime = currTime + timeToCall;
return id;
};
}
if (!window.cancelAnimationFrame) {
window.cancelAnimationFrame = function (id) {
clearTimeout(id);
};
}
}());
</script>
<script>
function KeyboardInputManager() {
this.events = {};
if (window.navigator.msPointerEnabled) {
//Internet Explorer 10 style
this.eventTouchstart = "MSPointerDown";
this.eventTouchmove = "MSPointerMove";
this.eventTouchend = "MSPointerUp";
} else {
this.eventTouchstart = "touchstart";
this.eventTouchmove = "touchmove";
this.eventTouchend = "touchend";
}
this.listen();
}
KeyboardInputManager.prototype.on = function (event, callback) {
if (!this.events[event]) {
this.events[event] = [];
}
this.events[event].push(callback);
};
KeyboardInputManager.prototype.emit = function (event, data) {
var callbacks = this.events[event];
if (callbacks) {
callbacks.forEach(function (callback) {
callback(data);
});
}
};
KeyboardInputManager.prototype.listen = function () {
var self = this;
var map = {
38: 0, // Up
39: 1, // Right
40: 2, // Down
37: 3, // Left
75: 0, // Vim up
76: 1, // Vim right
74: 2, // Vim down
72: 3, // Vim left
87: 0, // W
68: 1, // D
83: 2, // S
65: 3 // A
};