JavaScript实现的简单烟花特效代码实现的简单烟花特效代码
本文实例讲述了JavaScript实现的简单烟花特效代码。分享给大家供大家参考,具体如下:
这是一款JavaScript烟花特效,过年的时候放到你的网页上祝贺大家牛年大吉吧,是不是很不错?
运行效果截图如下:
在线演示地址如下:
http://demo.jb51.net/js/2015/js-yh-explode-style-demo/
具体代码如下:
<!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>礼花特效</title>
<style type="text/css">
html,body{background:#000; height:100%; margin:0px; padding:0px;color:#FFF;}
.ball{color:#FF0000; position:absolute; font-size:16px;}
.star{color:#FF0000; position:absolute; font-size:4px;}
</style>
<script type="text/javascript">
function Fireworks(sky, loop){
this.sky = sky;
this.skyWidth = document.body.clientWidth || document.documentElement.clientWidth;
this.skyHeight= document.body.clientHeight || document.documentElement.clientHeight;
this.x = this.y = 0;
this.step = 20;
this.delay = 30;
this.stars = [];
this.r = 10;
this.step2 = 7;
this.radius = 90;
this.angle = 45;
this.num = 16;
this.loop = loop;
this.degree = 2;
this.t = 0;
this.delt = 0;
this.max = 30;
this.cur = 1;
this.points = null;
}
Fireworks.prototype = {
init : function(){
this.x = parseInt(this.skyWidth/1.3 * Math.random()) + this.skyWidth / 8;
this.y = this.skyHeight;