HTML5 Canvas 实现动态下雪效果代码

gyue2345 2015-07-10 18:36 LJY2345 抢沙发隐藏边栏黑色模式 66

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效果图

HTML5 Canvas实现动态下雪效果，带有动态背景+雪花飘落效果，适用于圣诞下雪场景，非常不错。今天我找到一个代码，并且用在了外链网上。

以下是部分代码：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>HTML5 Canvas实现动态下雪效果_cnsecer.com</title>
<link href="css/datouwang.css" rel="stylesheet" type="text/css">
<script type="text/javascript" src="js/jquery-1.9.1.js"></script>
<script type="text/javascript" src="js/jquery.let_it_snow.js"></script>
<script>
$(document).ready( function() {
$("canvas.flare").let_it_snow({
windPower: 0,
speed: 0,
color: "#392F52",
size:120,
opacity: 0.00000001,
count: 40,
interaction: false
});
$("canvas.snow").let_it_snow({
windPower: 3,
speed: 1,
count: 250,
size: 0,
});
$("canvas.flake").let_it_snow({
windPower: -3,
speed: 1,
count: 20,
size: 10,
image: "images/white-snowflake.png"
});
 
});
</script>
</head>
<body>
<!-- 代码 开始 -->
<canvas width="100%" height="100%" class="flare"></canvas>
<canvas width="100%" height="100%" class="snow"></canvas>
<canvas width="100%" height="100%" class="flake"></canvas>
<!-- 代码 结束 -->
 
<div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';">
</div>
 
</body>
</html>