html5 canvas实现小球随机运动到达边界反弹

god_yu_

于 2021-08-05 13:10:34 发布

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文章标签： html js canvas

本文链接：https://blog.csdn.net/Zero_zero1/article/details/119415682

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
<meta content="width=device-width,initial-scale=1,user-scalable=no" name="viewport" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-touch-fullscreen" content="yes" />
<meta name="format-detection" content="telephone=no,address=no" />
<meta name="apple-mobile-web-app-status-bar-style" content="white" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<title>动画反弹</title>
<style type="text/css">
*{
   
margin:0;
padding:0;
}

#canvas1{
   
            box-shadow: 0px 0px 10px red;
            position: absolute;
            left:50px

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