用CSS3&JS实现在三维空间里图片3D旋转效果,效果太酷,所以有些浏览器不支持(只支持 webkit 内核的浏览器,火狐不支持倒影)的,只是给大家欣赏,学习下,说不定能用上呢。看下效果图:
再来看下DEMO代码:
<!--
BY Kenny
-->
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>用CSS3&JS实现在三维空间里图片3D旋转效果 - Web前端之家</title>
<style type="text/css">
body{background-color:#000;}
*{padding:0px;margin:0px;}
#perspective{perspective: 1000px; /*设置视角距舞台的距离还可已设置是否透视,默认为否*/}
#wrap{width:133px; /*外包装*/height:200px;position:relative;top:0;left:0;margin:50px auto;transform-style:preserve-3D;transform:rotateX(-10deg);}
#wrap img{width:100%;height:100%;position:absolute;top:0px;left:0px;border-radius:6px;box-shadow:0px 0px 15px #00FA9A;cursor:pointer; /*手型*/
box-reflect:below 6px -webkit-gradient(linear, left top, left bottom, from(transparent), color-stop(0.5, transparent), to(white));/*倒影*/
-webkit-box-reflect:below 6px -webkit-gradient(linear, left top, left bottom, from(transparent), color-stop(0.5, transparent), to(white)); /*倒影*/
-moz-box-reflect:below 6px -webkit-gradient(linear, left top, left bottom, from(transparent), color-stop(0.5, transparent), to(white)); /*很遗憾,火狐不支持*/
}
</style>
</head>
<body>
<div id="perspective"> <!-- 相当于舞台 -->
<div id="wrap"> <!-- 相当于外包装 -->
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
<img src="/zb_users/upload/2018/12/201812061544087495199196.jpg"/>
</div>
</div>
<script type="text/javascript">
/*
总结:
首先将每个图片赋值一个不同的角度和一个偏移位置
然后在拖放时实时更新这个角度和偏移量
在拖放结束时逐渐减小这个角度和偏移量
也可以做成只在平面转动的,只要不改变rotateX就行
*/
window.onload =function(){
var wrapDom = document.querySelector("#wrap"); //获取wrap
var imgDom = document.getElementsByTagName("img");//获取wrapimg
var wrap = document.getElementById('wrap');
var len = imgDom.length;//获取img的长度
var imgDeg = 360/len; //平分360度
for(var i=0;i<len;i++){ //分别赋值每个img一个rotateY(沿Y轴转动)和translateZ(偏移位置)
imgDom[i].style.transform= "rotateY("+i*imgDeg+"deg) translateZ(350px)";
imgDom[i].style.transition ="transform 1s "+(len-1-i)*0.2+"s";
}
var lastx,lasty,nowx,nowy,changeX,changeY,roX=-10;roY=0; //初始化新旧鼠标坐标 每次改变坐标大小 和rotateX和rotateY初始值
center(); //执行函数
window.onresize =center;//当缩放窗口时调用函数
function center(){ // 垂直居中啊
var mt = window.innerHeight/2-wrapDom.offsetHeight; //获取窗口高度除以二再减去容器高度=容器顶距窗口顶的距离
wrapDom.style.cssText = "margin-top:"+mt+"px";
}
setTimeout(function(){
wrap.style.backgroundImage = "url(img/12.jpg)";
},2000)
document.onmousedown = function(e){
clearInterval(timer)
var timer = null;
var ev = e||window.event;//兼容事件
lastx = ev.clientX; //当前鼠标位置
lasty = ev.clientY;
this.onmousemove = function(e){
clearInterval(timer)
var ev = e||window.event;
var nowx = ev.clientX; //现在鼠标位置
var nowy = ev.clientY;
changeX=nowx-lastx; //x轴变化了多少
changeY=nowy-lasty; //y轴变化了多少
roY+=changeX*0.1; //调节转的速度
roX-=changeY*0.1; //调节转的速度
wrapDom.style.transform="rotateX("+roX+"deg) rotateY("+roY+"deg)"; //赋值新的rotateX和rotateY
lastx=nowx; //将旧的数据更新
lasty=nowy; //将旧的数据更新
}
this.onmouseup = function(){
this.onmousemove = null; //取消移动事件
timer=setInterval(function(){ //设定时器逐渐减小rotateX和rotateY
changeX*=0.95; //每30毫秒rotateX减少5%
changeY*=0.95; //每30毫秒rotateY减少5%
roY+=changeX*0.2; //调节转的速度
roX-=changeY*0.2; //调节转的速度
wrapDom.style.transform="rotateX("+roX+"deg) rotateY("+roY+"deg)";//赋值新的rotateX和rotateY
},30)
}
return false; //取消默认事件
}
}
</script>
</body>
</html>