一、效果图
二、源码
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
* {margin: 0; padding: 0;}
.demo {
width: 1030px;
margin: 50px auto;
}
.list {
border-radius: 15px;
overflow: hidden;
width: 300px;
height: 200px;
float: left;
margin: 20px;
position: relative;
}
.list div {
position: absolute;
top: 0;
left: 0;
transform: rotate(-100deg);
transform-origin: top left; /* 旋转中心点*/
transition: all .8s;
}
.current div {
transform: rotate(0deg);
}
.list div.top {
transform-origin: top left;
}
.list div.right {
transform-origin: top right;
}
.list div.bottom {
transform-origin: bottom right;
}
.list div.left {
transform-origin: bottom left;
}
</style>
<script src="js/jquery-1.11.3.min.js"></script>
<script>
$(function() {
$(".list").on("mouseenter mouseleave",function(e) {
var that = $(this); // 先把当前元素存起来
var w = $(this).width(); // 得到盒子宽度
var h = $(this).height();// 得到盒子高度
var x = (e.pageX - this.offsetLeft - (w / 2)) * (w > h ? (h / w) : 1);
// 获取x值
var y = (e.pageY - this.offsetTop - (h / 2)) * (h > w ? (w / h) : 1);
// 获取y值
var direction = Math.round((((Math.atan2(y, x) * (180 / Math.PI)) + 180) / 90) + 3) % 4; //direction的值为“0,1,2,3”分别对应着“上，右，下，左”
// 将点的坐标对应的弧度值换算成角度度数值 0 1 2 3
if(e.type == 'mouseenter'){
switch(direction) {
case 0:
comeOn("top");
break;
case 1:
comeOn("right");
break;
case 2:
comeOn("bottom");
break;
case 3:
comeOn("left");
break;
}
}else{
switch(direction) {
case 0:
getOut("top");
break;
case 1:
getOut("right");
break;
case 2:
getOut("bottom");
break;
case 3:
getOut("left");
break;
}
}
function comeOn(str) {
that.addClass("current");
that.children("div").removeClass().addClass(str);
//先清除前面的，留下现在的
}
function getOut(str) {
that.removeClass("current");
that.children("div").removeClass().addClass(str);
//先清除前面的，留下现在的
}
});
})
</script>
</head>
<body>
<div class="demo">
<div class="list">
<img src="images/00.jpg" alt=""/>
<div>
<img src="images/1.jpg" alt=""/>
</div>
</div>
<div class="list">
<img src="images/00.jpg" alt=""/>
<div>
<img src="images/2.jpg" alt=""/>
</div>
</div>
<div class="list">
<img src="images/00.jpg" alt=""/>
<div>
<img src="images/3.jpg" alt=""/>
</div>
</div>
<div class="list">
<img src="images/00.jpg" alt=""/>
<div>
<img src="images/4.jpg" alt=""/>
</div>
</div>
<div class="list">
<img src="images/00.jpg" alt=""/>
<div>
<img src="images/5.jpg" alt=""/>
</div>
</div>
<div class="list">
<img src="images/00.jpg" alt=""/>
<div>
<img src="images/6.jpg" alt=""/>
</div>
</div>
<div class="list">
<img src="images/00.jpg" alt=""/>
<div>
<img src="images/7.jpg" alt=""/>
</div>
</div>
<div class="list">
<img src="images/00.jpg" alt=""/>
<div>
<img src="images/8.jpg" alt=""/>
</div>
</div>
<div class="list">
<img src="images/00.jpg" alt=""/>
<div>
<img src="images/9.jpg" alt=""/>
</div>
</div>
</div>
</body>
</html>