求编程挑战的demo 动画效果加看起来很给力啊 大侠大侠来个demo吧
求编程挑战的demo 动画效果加看起来很给力啊 大侠大侠来个demo吧
1 回答
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js" type="text/javascript"></script>
<title>带有分散效果的瀑布流</title>
<style type="text/css">
*{padding: 0;margin:0;}
#main{position:relative;
}
.box{
padding:15px 0 0 15px;
position:absolute}
.pic{padding:10px;
border:1px splid #999;
border-radius:5px;
box-shadow:0 0 5px #999;
}
.pic img{width:210px;
height:auto;
}
</style>
<script type="text/javascript">
$( window ).on( "load", function(){
waterfall();
var dataimg={"data":[{"src":"http://pic17.nipic.com/20111025/6957597_163322054332_2.jpg"},
{"src":"http://pica.nipic.com/2007-12-03/2007123141415713_2.jpg"},
{"src":"http://pic4.nipic.com/20090823/3193830_121855091_2.jpg"},
{"src":"http://pic.nipic.com/2008-01-16/200811683222770_2.jpg"},
{"src":"http://pic9.nipic.com/20100904/5041436_154436449375_2.jpg"},
{"src":"http://pic1.nipic.com/2008-12-09/200812912540990_2.jpg"},
{"src":"http://pic19.nipic.com/20120315/4758005_091854125000_2.jpg"},
{"src":"http://pic1a.nipic.com/2008-10-27/200810279545868_2.jpg"},
{"src":"http://pic3.nipic.com/20090525/2416945_231841034_2.jpg"},
{"src":"http://pica.nipic.com/2007-12-03/2007123152823533_2.jpg"}
]}
$(window).on('scroll',function(){
if(scrollcheck()){
$.each(dataimg.data,function(index,value){
var obox=$('<div>').addClass('box').appendTo($("#main"));
var opic=$("<div>").addClass("pic").appendTo($(obox));
$("<img>").attr("src",dataimg.data[index].src).appendTo(opic)
})
}
waterfallload();
})
})
var myarr=[];
function waterfall(){
// 计算及定位数据块显示分散效果
var $boxs=$("#main").find(".box");
var boxW=$boxs.eq(0).outerWidth();
var clientW=$(window).width();
var clos=Math.floor(clientW/boxW);
var clientH=$(window).height()/2;
$boxs.each(function(index,value){
if(index<clos){
myarr.push(0);
}
var random2=Math.floor(Math.random()*200);
var xx=myrandom()
$boxs.eq(index).css({
top:clientH/2+'px',
left:'50%',
'margin-top':random2,
'margin-left':-(($boxs.width()/2)+(xx*random2))
})
})
animatefall($boxs,0,boxW)
}
function animatefall(abc,n,www){
var minH=Math.min.apply(null,myarr);
var inde=$.inArray(minH,myarr);
abc.eq(n).animate({
left:inde*www,
margin:0,
top:myarr[inde]
},200,function(){
myarr[inde]+=abc.eq(n).outerHeight();
n++;
animatefall(abc,n,www)
})
}
function myrandom(){
var x=Math.floor(Math.random()*10);
if(x<5){
x=-1;
}else{
x=1;
}
return x
}
function scrollcheck(){
var $lastbox=$('.box').last();
var boxtop=$lastbox.offset().top;
var boxH=Math.floor($lastbox.outerHeight()/2);
var H=boxtop+boxH;
var scrolltop=$(window).scrollTop();
var clientH=$(window).height();
if(H<scrolltop+clientH){
return true
}else{
return false
}
}
function waterfallload(){
// 计算及定位数据块显示分散效果
var $boxs=$(".box");
var boxW=$boxs.eq(0).outerWidth();
console.log(boxW)
var clientW=$(window).width();
var cols=Math.floor(clientW/boxW);
$("#main").width(boxW*cols).css("margin","0 auto");
var arr=new Array();
$boxs.each(function(index,value){
if(index<cols){
arr[index]=$boxs.eq(index).outerHeight();
}else{
var minH=Math.min.apply(null,arr);
var minHIndex=$.inArray(minH,arr);
var boxleft=minHIndex*boxW;
var boxtop=arr[minHIndex];
$(value).css({'position':'absolute','left':boxleft,'top':boxtop})
arr[minHIndex]+=$boxs.eq(index).outerHeight();
}
})
}
</script>
</head>
<body>
<div id="main">
<div class="box">
<div class="pic">
<img src=http://image.tianjimedia.com/uploadImages/2011/252/8GO666XNQM49.jpg />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://hiphotos.baidu.com/1985129/pic/item/d05c8ed3cc27b16e970a16b1.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://pic2.nipic.com/20090415/2137336_074730000_2.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://pic1.nipic.com/20090320/657979_215251058_2.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://pic32.nipic.com/20130715/13232606_164243348120_2.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://pic.duowan.com/tx2/1205/201189276629/201189504837.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://imgsrc.baidu.com/forum/pic/item/c69ae2003af33a87ecb1c796c65c10385143b585.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://s6.sinaimg.cn/middle/6753066ftc67bdde1ca25&690" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://ww1.sinaimg.cn/mw600/8758e340jw1e80ptpik3sj21hc0u0gxb.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://s7.sinaimg.cn/middle/73c68f59ha24176b9fff6&690" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://pub.chinaunix.net/uploadfile/201204/20120422080605108.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://img1.ph.126.net/f0PNgS5xHvIoP87RDZIh3w==/6597568944937413022.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://images.ali213.net/picfile/pic/2012-12-25/927_q28.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://img2.3lian.com/2014/f7/5/22.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://cdnq.duitang.com/uploads/item/201504/27/20150427155902_8ZFeT.jpeg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://img05.tooopen.com/images/20150314/tooopen_sy_82508981539.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://imgsrc.baidu.com/forum/pic/item/0ea6ba6eddc451da3189c429b6fd5266d116326c.jpg" />
</div>
</div>
<div class="box">
<div class="pic">
<img src="http://imgsrc.baidu.com/forum/pic/item/08afc680b1b6534c495403a9.jpg" />
</div>
</div>
</div>
</body>
</html>
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