Canvas生成粒子人物头像动画效果-html代码-BFW代码库

代码语言：html

所属分类：粒子

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!doctype html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>HTML5 Canvas生成粒子效果的人物头像DEMO演示</title>
    <link rel="stylesheet" type="text/css" href="css/normalize.css" />
    <link rel="stylesheet" type="text/css" href="css/default.css">
    <style>
        /*! normalize.css v2.1.2 | MIT License | git.io/normalize */

        /* ==========================================================================
   HTML5 display definitions
   ========================================================================== */

        /**
 * Correct `block` display not defined in IE 8/9.
 */

        article,
        aside,
        details,
        figcaption,
        figure,
        footer,
        header,
        hgroup,
        main,
        nav,
        section,
        summary {
            display: block;
        }

        /**
 * Correct `inline-block` display not defined in IE 8/9.
 */

        audio,
        canvas,
        video {
            display: inline-block;
        }

        /**
 * Prevent modern browsers from displaying `audio` without controls.
 * Remove excess height in iOS 5 devices.
 */

        audio:not([controls]) {
            display: none;
            height: 0;
        }

        /**
 * Address styling not present in IE 8/9.
 */

        [hidden] {
            display: none;
        }

        /* ==========================================================================
   Base
   ========================================================================== */

        /**
 * 1. Set default font family to sans-serif.
 * 2. Prevent iOS text size adjust after orientation change, without disabling
 *    user zoom.
 */

        html {
            font-family: sans-serif;
            /* 1 */
            -ms-text-size-adjust: 100%;
            /* 2 */
            -webkit-text-size-adjust: 100%;
            /* 2 */
        }

        /**
 * Remove default margin.
 */

        body {
            margin: 0;
        }

        /* ==========================================================================
   Links
   ========================================================================== */

        /**
 * Address `outline` inconsistency between Chrome and other browsers.
 */

        a:focus {
            outline: thin dotted;
        }

        /**
 * Improve readability when focused and also mouse hovered in all browsers.
 */

        a:active,
        a:hover {
            outline: 0;
        }

        /* ==========================================================================
   Typography
   ========================================================================== */

        /**
 * Address variable `h1` font-size and margin within `section` and `article`
 * contexts in Firefox 4+, Safari 5, and Chrome.
 */

        h1 {
            font-size: 2em;
            margin: 0.67em 0;
        }

        /**
 * Address styling not present in IE 8/9, Safari 5, and Chrome.
 */

        abbr[title] {
            border-bottom: 1px dotted;
        }

        /**
 * Address style set to `bolder` in Firefox 4+, Safari 5, and Chrome.
 */

        b,
        strong {
            font-weight: bold;
        }

        /**
 * Address styling not present in Safari 5 and Chrome.
 */

        dfn {
            font-style: italic;
        }

        /**
 * Address differences between Firefox and other browsers.
 */

        hr {
            -moz-box-sizing: content-box;
            box-sizing: content-box;
            height: 0;
        }

        /**
 * Address styling not present in IE 8/9.
 */

        mark {
            background: #ff0;
            color: #000;
        }

        /**
 * Correct font family set oddly in Safari 5 and Chrome.
 */

        code,
        kbd,
        pre,
        samp {
            font-family: monospace, serif;
            font-size: 1em;
        }

        /**
 * Improve readability of pre-formatted text in all browsers.
 */

        pre {
            white-space: pre-wrap;
        }

        /**
 * Set consistent quote types.
 */

        q {
            quotes: "\201C" "\201D" "\2018" "\2019";
        }

        /**
 * Address inconsistent and variable font size in all browsers.
 */

        small {
            font-size: 80%;
        }

        /**
 * Prevent `sub` and `sup` affecting `line-height` in all browsers.
 */

        sub,
        sup {
            font-size: 75%;
            line-height: 0;
            position: relative;
            vertical-align: baseline;
        }

        sup {
            top: -0.5em;
        }

        sub {
            bottom: -0.25em;
        }

        /* ==========================================================================
   Embedded content
   ========================================================================== */

        /**
 * Remove border when inside `a` element in IE 8/9.
 */

        img {
            border: 0;
        }

        /**
 * Correct overflow displayed oddly in IE 9.
 */

        svg:not(:root) {
            overflow: hidden;
        }

        /* ==========================================================================
   Figures
   ========================================================================== */

        /**
 * Address margin not present in IE 8/9 and Safari 5.
 */

        figure {
            margin: 0;
        }

        /* ==========================================================================
   Forms
   ========================================================================== */

        /**
 * Define consistent border, margin, and padding.
 */

        fieldset {
            border: 1px solid #c0c0c0;
            margin: 0 2px;
            padding: 0.35em 0.625em 0.75em;
        }

        /**
 * 1. Correct `color` not being inherited in IE 8/9.
 * 2. Remove padding so people aren't caught out if they zero out fieldsets.
 */

        legend {
            border: 0;
            /* 1 */
            padding: 0;
            /* 2 */
        }

        /**
 * 1. Correct font family not being inherited in all browsers.
 * 2. Correct font size not being inherited in all browsers.
 * 3. Address margins set differently in Firefox 4+, Safari 5, and Chrome.
 */

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            /* 1 */
            font-size: 100%;
            /* 2 */
            margin: 0;
            /* 3 */
        }

        /**
 * Address Firefox 4+ setting `line-height` on `input` using `!important` in
 * the UA stylesheet.
 */

        button,
        input {
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