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$.fn.firework
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| Simple firework plugin — Play with options! |
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| /* Decorative */ | |
| html, body {height:100%;} | |
| html {display:table; width:100%;} | |
| body {display:table-cell; vertical-align:middle; text-align:center; overflow:hidden;} | |
| div {display:inline-block; width:5em; height:4em; border:1px dotted; position:relative; border-radius:.25em;} | |
| pre code {display:inline-block; text-align:left;} | |
| pre code .options { | |
| background-color:rgba(0,0,0,.05); | |
| } | |
| pre button {font-size:xx-small; position:relative; z-index:99;} | |
| /* Plugin specific */ | |
| .firework.star {font-weight:bold; color:gold;} |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8> | |
| <title>$.fn.firework</title> | |
| <link rel="stylesheet" href="index.css"> | |
| </head> | |
| <body> | |
| <div></div> | |
| <pre><code>$('div').<a href="jquery.firework.js">firework</a>(<span title="Edit me!" class="options" contenteditable>{ | |
| amount: 30, | |
| boundary: 10, | |
| <a href="http://en.wikipedia.org/wiki/List_of_Unicode_characters#Dingbats">content</a>: ['✿', '❀', '✰', '❄', '❤', '<marquee>coool</marquee>'], | |
| duration: 2000, | |
| durationVariation: 10, | |
| <a href="http://jqueryui.com/demos/effect/easing.html">easing</a>: 'easeInOutQuad' | |
| }</span>);<button type="button">Fire!</button></code></pre> | |
| <script src="http://code.jquery.com/jquery-latest.min.js"></script> | |
| <script src="https://rawgithub.com/jquery/jquery-ui/1-8-stable/ui/jquery.effects.core.js"></script> | |
| <script src="jquery.firework.js"></script> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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| (function () { | |
| function fire() { | |
| var options; | |
| try { | |
| options = eval('(' + ($('code .options').text() || null) + ')'); | |
| } catch(e) { | |
| throw e; | |
| } | |
| $('div').firework(options); | |
| } | |
| $('button').click(function (e) { | |
| e.preventDefault(); | |
| fire(); | |
| }); | |
| fire(); | |
| }()); |
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| (function ($) { | |
| // | |
| // $.fn.firework | |
| // | |
| // Firework plugin | |
| // | |
| // Author: Antoine BERNIER (abernier) | |
| // | |
| var settings; | |
| function firework(el, options) { | |
| var $stars = $(); | |
| // | |
| // Generate stars markup (within a container) | |
| // | |
| $(el) | |
| .css('position', function (index, value) { | |
| return value === 'static' ? 'relative' : false; | |
| }) | |
| .append($('<span/>').css({ | |
| position: 'absolute', | |
| left: 0, | |
| top: 0, | |
| right: 0, | |
| bottom:0 | |
| }) | |
| .append(function () { | |
| var i = options.amount; | |
| while (i--) { | |
| $stars = $stars.add(($('<span/>', { | |
| "class": options.klass, | |
| html: ($.isArray(options.content) ? options.content[random(0, options.content.length - 1)] : options.content) | |
| }).css({ | |
| position: 'absolute', | |
| left: '50%', | |
| top: '50%' | |
| }))); | |
| } | |
| return $stars; | |
| }) | |
| ) | |
| ; | |
| // Once stars into the DOM, use their width/height to apply the negative margin offset | |
| $stars.each(function (i, el) { | |
| $(el).css('margin-left', function (index, value) { | |
| return -($(this).width() / 2); | |
| }).css('margin-top', function (index, value) { | |
| return -($(this).height() / 2); | |
| }); | |
| }); | |
| // | |
| // Animate stars | |
| // | |
| (function () { | |
| var animations = []; | |
| $stars.each(function (i, el) { | |
| animations.push($(el).animate({ | |
| left: minusOrPlus() + '=' + options.boundary * random(0, 50) + '%', | |
| top: minusOrPlus() + '=' + options.boundary * random(0, 50) + '%', | |
| fontSize: random(100, 100 * options.boundary) + '%', | |
| opacity: 0 | |
| }, random(~~(options.duration / options.durationVariation), options.duration), options.easing)); | |
| }); | |
| $.when.apply(this, animations).done(function () { | |
| $stars.parent().remove(); | |
| }); | |
| }()); | |
| // | |
| // Helpers | |
| // | |
| function random(min, max) { | |
| return Math.floor(Math.random() * (max - min + 1)) + min; | |
| } | |
| function minusOrPlus() { | |
| return Math.random() > .5 ? '+' : '-'; | |
| } | |
| } | |
| // Default settings | |
| settings = { | |
| amount: 50, | |
| boundary: 1.5, | |
| content: '★', | |
| klass: 'firework star', | |
| duration: 3000, | |
| durationVariation: 3, | |
| easing: 'swing' | |
| }; | |
| $.fn.firework = function (options) { | |
| return this.each(function (i, el) { | |
| firework(el, $.extend({}, settings, options)); | |
| }); | |
| }; | |
| }(jQuery)); |
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http://bl.ocks.org/1788900