html5 canvas雨点打到窗玻璃动画

全栈程序员-站长 • 2021年12月21日下午2:00 • 未分类 • 阅读 43

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html5 canvas雨点打到窗玻璃动画

HTML5下雨效果

效果预览：http://hovertree.com/texiao/html5/4.htm

以下是代码：

 1 <!doctype html>
 2 <html lang="zh">
 3 <head>
 4 <meta charset="UTF-8">
 5 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
 6 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 7 <title>HTML5 Canvas雨滴下落动画DEMO演示 - 何问起</title><base target="_blank" />
 8 <link rel="stylesheet" type="text/css" href="http://hovertree.com/texiao/html5/4/hovertreemalize.css" />
 9 <link rel="stylesheet" type="text/css" href="http://hovertree.com/texiao/html5/4/hovertreerain.css">
10 <style media="screen">
11 body {
12 overflow: hidden;
13 height: 100%;
14 margin: 0;
15 padding: 0;
16 }
17 
18 img {
19 width: 100%;
20 height: 100%;
21 }
22 </style>
23 
24 <script src="http://hovertree.com/texiao/html5/4/rainyday.min.js"></script>
25 <script>
26 function run() {
27 var image = document.getElementById('background');
28 image.onload = function() {
29 var engine = new RainyDay({
30 image: this
31 });
32 engine.rain([ [0, 2, 200], [3, 3, 1] ], 100);
33 };
34 image.crossOrigin = 'anonymous';
35 image.src = 'http://hovertree.com/texiao/html5/4/hovertree3.jpg';
36 }
37 </script>
38 
39 <!--[if IE]>
40 <script src="http://hovertree.com/texiao/html5/4/html5shiv.min.js"></script>
41 <![endif]-->
42 
43 </head>
44 <body onLoad="run();">
45 
46 <header class="htmleaf-header">
47 <div class="htmleaf-demo center">
48 <a href="http://hovertree.com">何问起</a>
49 <a href="http://www.baidu.com/baidu?word=%E5%A4%A9%E6%B0%94+&ie=utf-8&tn=bds&cl=3&ct=2097152&si=hovertree.com&s=hovertree.com" class="current">天气预报</a>
50 <a href="http://hovertree.com/texiao/">特效</a>
51 <a href="http://hovertree.com/hvtart/bjae/a6w6e2qg.htm">原文</a>
52 <br />下雨了，记得收衣服关窗户，出门带雨伞
53 </div>
54 </header>
55 
56 <img id="background" alt="background" src="" />
57 
58 </body>
59 </html>