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Create shreyansh snake game #83

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185 changes: 185 additions & 0 deletions shreyansh snake game
Original file line number Diff line number Diff line change
@@ -0,0 +1,185 @@
/*================================================

Polyfill

================================================*/

(function(){ 'use strict';

/*================================================

Request Animation Frame

================================================*/

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, element ) {
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 );
}
}

})();

/*================================================

DOM Manipulation

================================================*/

(function(){ 'use strict';

function hasClass( elem, className ) {
return new RegExp( ' ' + className + ' ' ).test( ' ' + elem.className + ' ' );
};

function addClass( elem, className ) {
if( !hasClass(elem, className ) ) {
elem.className += ' ' + className;
}
};

function removeClass( elem, className ) {
var newClass = ' ' + elem.className.replace( /[\t\r\n]/g, ' ' ) + ' ';
if( hasClass( elem, className ) ) {
while( newClass.indexOf(' ' + className + ' ' ) >= 0 ) {
newClass = newClass.replace( ' ' + className + ' ', ' ' );
}
elem.className = newClass.replace( /^\s+|\s+$/g, '' );
}
};

function toggleClass( elem, className ) {
var newClass = ' ' + elem.className.replace( /[\t\r\n]/g, ' ' ) + ' ';
if( hasClass(elem, className ) ) {
while( newClass.indexOf( ' ' + className + ' ' ) >= 0 ) {
newClass = newClass.replace( ' ' + className + ' ' , ' ' );
}
elem.className = newClass.replace( /^\s+|\s+$/g, '' );
} else {
elem.className += ' ' + className;
}
};

})();

/*================================================

Core

================================================*/

g = {};

(function(){ 'use strict';

/*================================================

Math

================================================*/

g.m = Math;
g.mathProps = 'E LN10 LN2 LOG2E LOG10E PI SQRT1_2 SQRT2 abs acos asin atan ceil cos exp floor log round sin sqrt tan atan2 pow max min'.split( ' ' );
for ( var i = 0; i < g.mathProps.length; i++ ) {
g[ g.mathProps[ i ] ] = g.m[ g.mathProps[ i ] ];
}
g.m.TWO_PI = g.m.PI * 2;

/*================================================

Miscellaneous

================================================*/

g.isset = function( prop ) {
return typeof prop != 'undefined';
};

g.log = function() {
if( g.isset( g.config ) && g.config.debug && window.console ){
console.log( Array.prototype.slice.call( arguments ) );
}
};

})();

/*================================================

Group

================================================*/

(function(){ 'use strict';

g.Group = function() {
this.collection = [];
this.length = 0;
};

g.Group.prototype.add = function( item ) {
this.collection.push( item );
this.length++;
};

g.Group.prototype.remove = function( index ) {
if( index < this.length ) {
this.collection.splice( index, 1 );
this.length--;
}
};

g.Group.prototype.empty = function() {
this.collection.length = 0;
this.length = 0;
};

g.Group.prototype.each = function( action, asc ) {
var asc = asc || 0,
i;
if( asc ) {
for( i = 0; i < this.length; i++ ) {
this.collection[ i ][ action ]( i );
}
} else {
i = this.length;
while( i-- ) {
this.collection[ i ][ action ]( i );
}
}
};

})();

/*================================================

Utilities

================================================*/

(function(){ 'use strict';

g.util = {};

/*================================================

Random