canvas实现彩色光影雷达扫描动画效果代码-html代码-BFW代码库

canvas实现彩色光影雷达扫描动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas实现彩色光影雷达扫描动画效果代码

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>
<head>
    <meta charset="UTF-8">

    <style>
        html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
            margin: 0;
            padding: 0;
            border: 0;
            font-size: 100%;
            font: inherit;
            vertical-align: baseline;
        }

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

        body {
            line-height: 1;
        }

        ol, ul {
            list-style: none;
        }

        blockquote, q {
            quotes: none;
        }

            blockquote:before, blockquote:after, q:before, q:after {
                content: '';
                content: none;
            }

        table {
            border-collapse: collapse;
            border-spacing: 0;
        }
    </style>

    <style>
        body {
            background: #000;
            color: #aaa;
            font: 100%/20px helvetica, arial, sans-serif;
        }

        canvas {
            display: block;
            height: 100%;
            left: 0;
            margin: 0;
            padding: 0;
            position: absolute;
            top: 0;
            width: 100%;
        }

        #control-panel {
            background: rgba(0,0,0,.75);
            border: 1px solid #333;
            left: 20px;
            padding: 10px 15px;
            position: absolute;
            top: 20px;
            z-index: 2;
        }

        p {
            font-size: 12px;
            margin: 0 0 5px;
        }

        label {
            font-size: 12px;
            font-weight: bold;
        }

        button {
            display: block;
            margin: 10px 0 5px;
        }

        a {
            border-bottom: 1px dotted #444;
            color: #fff;
            font-size: 12px;
            text-decoration: none;
        }
    </style>

<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/prefixfree.js"></script>

</head>

<body>

    <div id="control-panel">
        <p>单击并拖动,绘图</p>
        <label>痕迹: </label>
        <input type="checkbox" id="trail" name="trail" checked=checked />
        <button id="clear">清除</button>
    </div>


    <canvas id="c"></canvas>


    <script>
        window.requestAnimFrame=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(a){window.setTimeout(a,1E3/60)}}();

document.onselectstart = function() {
  return false;
};
var c = docume.........完整代码请登录后点击上方下载按钮下载查看