js实现canvas四色花朵旋转加载动画效果代码
代码语言:html
所属分类:加载滚动
代码描述:js实现canvas四色花朵旋转加载动画效果代码
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>
body {
padding:0;
margin:0;
background: #111;
overflow: hidden;
}
canvas {
bottom: 0;
left: 0;
margin: auto;
position: absolute;
right: 0;
top: 0;
}
</style>
</head>
<body>
<script>
var M = Math,
PI = M.PI,
TWOPI = PI * 2,
HALFPI = PI / 2,
canvas = document.createElement( 'canvas'),
ctx = canvas.getContext( '2d' ),
width = canvas.width = 350,
height = canvas.height = 350,
cx = width / 2,
cy = height / 2,
.........完整代码请登录后点击上方下载按钮下载查看
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