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glitch.jquery.js
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glitch.jquery.js
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/*!
* $ Simple glitching plugin
* Author: Igor Brkic <igor@hyperglitch.com>
* Version 0.0.1
* Licensed under the MIT license
*/
(function($){
$.fn.glitch = function(options) {
var s = $.extend({
bg: null, // background color
maxint: 4, // max interval between glitchings
minint: 2, // min interval between glitchings
maxglitch: 10, // max number of twitches
hshift: 10, // max horizontal shift
vshift: 10, // max vertical shift
direction: 'horizontal' // 'horizontal', 'vertical' or 'random'
}, options);
return this.each(function(){
$t=$(this);
$t.wrap('<span style="display:inline-block;position:relative">');
var $s=$t.closest('span');
var $c=$t.clone();
var height=$t.height();
var width=$t.width();
if(s.bg===null){
s.bg=$t.css('background-color');
}
$c.css({
position: 'absolute',
top:0,
left:0,
height: height,
width: width,
overflow: 'hidden',
'background-color': s.bg
});
$s.append($c);
var rnd=function(a){return Math.floor(Math.random()*(a+1));}
var g = function(){
var i;
for(i=0;i<rnd(s.maxglitch)+1;i++){
setTimeout(function(){
var css, dir;
if(s.direction=='random') dir=Math.random()<0.5?'horizontal':'vertical';
else dir=s.direction;
if(dir=='vertical') css={top: rnd(s.vshift+1), width: rnd(Math.floor(width*0.8))+2, height:height};
else css={left: rnd(s.hshift+1), height: rnd(Math.floor(height*0.8))+2, width:width};
$c.css(css)
}, rnd(300));
}
setTimeout(function(){$c.css({left: 0, top:0})}, 300);
setTimeout(g, (rnd((s.maxint-s.minint))+s.minint)*1000);
}
setTimeout(g, 3000);
});
}
})(jQuery);