像弹簧一样抖动的横向图片滚动_图片特效特效

基于JavaScript的横向图片滚动，在每一次滚动完成当前图片都会像弹簧一样抖动两下，很有趣的效果，没有使用JS插件，使用起来挺方便。

<!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>
<title>带抖动的图片滚动</title>
<meta http-equiv="mrc-type" mrc="text/html;charset=gb2312">
<style type="text/css">
#box{
	border:1px solid #9599A5;
	background:#CCCCCC;
	width:628px; 
	height:150px;
}
#imgPanel{
	height:100px;	
	position:relative; 
	overflow:hidden; 
	z-index:1;
}
#ctrlPanel{
	border:1px solid #aaa;
	background:#fff; 
	height:30px; 
	margin:5px;
	padding:5px;
	position:relative; 
	z-index:0;
}
img{
	position:absolute; 
	padding:5px;
	background:#fff; 
	border:1px solid #EEEEEE; 
	bottom:0px;
	left:-999px;
	width:200px;
}
#bg{
	position:absolute;
	width:170px;
	height:90px;
	border:1px solid #aaa;
	border-bottom:none;
	background:#fff;
	top:-91px;
	left:223px;
}
#ctrlPanel button{
	width:45px;
	line-height:20px;
}
#next{
	position:absolute; 
	top:5px;
	right:5px;
}
#adTilte{
	position:absolute; 
	top:8px;
	left:100px;
	color:#CC0000; 
	font-size:20px;
}
</style>
</head>
<body>
<div id="box">
  <div id="imgPanel">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514363.jpg">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514364.jpg">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514365.jpg">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514366.jpg">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514367.jpg">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514368.jpg">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514369.jpg">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514370.jpg">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514371.jpg">
    <img src="http://p1.mb5u.com/texiao/1/20110225160514372.jpg">
  </div>
  <div id="ctrlPanel">
    <div id="bg"></div>
    <div id="adTilte">Text</div>
    <button id="prev" onclick="BlueJS.prev();"><</button>
    <button id="next" onclick="BlueJS.next();">></button> 
  </div>
</div>
<script language="javascript">
var curcve=function (t, b, c, d){
	if ((t /= d) < (1 / 2.75)) {
		return c * (7.5625 * t * t) + b;
	} else if (t < (2 / 2.75)) {
		return c * (7.5625 * (t -= (1.5 / 2.75)) * t + .75) + b;
	} else if (t < (2.5 / 2.75)) {
		return c * (7.5625 * (t -= (2.25 / 2.75)) * t + .9375) + b;
	} else {
		return c * (7.5625 * (t -= (2.625 / 2.75)) * t + .984375) + b;
	}
};
BlueJS={
	fx:(function (){
		var core=function (el,style,to){
			clearInterval(el['fxID_'+style]);
			var from=el['offset'+style.charAt(0).toUpperCase()+style.slice(1)];
			var set=function (x){el.style[style]=x+'px'},time=360/10,
			fx = (function(from, to, timeout, s, a, p) {
				var c = to - from,d = timeout,b = from;
				return function (){return curcve(t,b,c,d)}
			})(from, to, time),
			t=0;
			el['fxID_'+style]=setInterval(function(){
				t++<time?set(fx(t)):set(to,clearInterval(el['fxID_'+style]));
			},10);
		};
		return function (el,set){for (var Id in set)core(el,Id,set[Id])};
	})(),
	setFx:function (isNext){
		var data=[[10,80],[112,100],[235,148],[405,100],[525,80],[-50,20],[640,20]];
		for (var i=0;i<this.pics.length;++i ) {
			var img=this.pics[i],v=i;
			if(isNext&&i==0||i>4){
				img.style.left='-40px';
				img.style.width='20px';
			};
			if(!isNext){
				if(i==this.pics.length-1){v=5};
				if(i==4){
					img.style.left='645px';
					img.style.width='20px';
				};
			};
			if(i>4)continue;
			this.fx(img,{left:data[v][0],width:data[v][1]});
		};
	},
	prev:function (){
		this.pics.push(this.pics.shift());
		this.setFx();
	},
	next:function (){
		this.pics.unshift(this.pics.pop());
		this.setFx(1);
	},
	init:function (){
		this.box=document.getElementById("box");
		var pics=this.box.getElementsByTagName("IMG");
		this.pics=[];
		for (var i=0;i<pics.length;++i ) this.pics.push(pics[i]);
		this.setFx();
	}
};
window.onload = function (){
	BlueJS.init();
	setInterval(function(){
		BlueJS.prev();
	},2000);
}
</script>
</body>
</html>

所属频道：图片特效特效/更新时间：2012-11-28

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