这段时间有点闲，所以就自己找些小玩意来练习练习。今天做了一个可以拖拽页面内空白位置3D立方体就会跟着转动的小例子，布局方面用到css3 3D转换技术，通过transform控制旋转实现的。
上个图
代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Examples</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
<style>
*{
padding: 0;
margin: 0;
}
#experiment{
-webkit-perspective: 800;
-webkit-perspective-origin: 50% 50%;
}
#cube{
position: relative;
margin: 200px auto;
width: 200px;
height: 200px;
-webkit-transform-style: preserve-3d;
cursor: pointer;
}
.face{
position: absolute;
width: 160px;
height: 160px;
line-height: 160px;
text-align: center;
padding: 20px;
font-weight: bold;
color: #fff;
background: #000;
font-size: 160px;
-webkit-transition: -webkit-transform 1s linear;
opacity: 0.8;
}
.face:nth-child(2){
-webkit-transform-origin: right;
-webkit-transform: rotateY(-90deg);
background: red;
}
.face:nth-child(3){
-webkit-transform-origin: left;
-webkit-transform: rotateY(90deg);
background: yellow;
}
.face:nth-child(4){
-webkit-transform-origin: top;
-webkit-transform: rotateX(-90deg);
background: blue;
}
.face:nth-child(5){
-webkit-transform-origin: bottom;
-webkit-transform: rotateX(90deg);
background: green;
}
.face:nth-child(6){
-webkit-transform: translateZ(-200px);
background: gray;
}
</style>
</head>
<body>
<div id="experiment">
<div id="cube">
<div class="face" id="face1"></div>
<div class="face" id="face2"></div>
<div class="face" id="face3"></div>
<div class="face" id="face4"></div>
<div class="face" id="face5"></div>
<div class="face" id="face6"></div>
</div>
</div> <script>
document.onmousedown= function(event){
var that = document.getElementById('cube');
var reg = /\-?[0-9]+\.?[0-9]*/g;
var bf = that.style.webkitTransform || '0,0';
var arr = bf.match(reg);
var bfX = Number(arr[0]);
var bfY = Number(arr[1]);
var startX = event.pageX;
var startY = event.pageY;
document.onmousemove= function(event) {
var disX = event.pageX - startX ;
var disY = event.pageY - startY ;
var y=(disX+bfY)%360;
var x=(disY+bfX)%360;
that.style.webkitTransform = "rotateX("+x+"deg) rotateY("+y+"deg) rotateZ(0deg)";
}; document.onmouseup=function(event) {
document.onmousemove=null;
document.onmouseup=null;
};
return false;
} </script>
</body>
</html>