动画实现主要利用了z-index将层级关系改变,从而实现了焦点图的效果;css3属性 transform rotate 来实现图片的动画效果 。transition实现过度动画!
* {
margin: 0;
padding: 0;
} .stage {
width: 500px;
height: 280px;
margin: 100px auto;
perspective: 1800px;
position: relative;
} img {
vertical-align: middle;
} .stage ul {
width: 500px;
height: 280px;
list-style: none;
} .stage ul li {
width: 500px;
height: 280px;
position: absolute;
top: 0;
left: 0;
transition: all 2s ease 0s;
} .stage ul .left2 {
transform: rotateY(30deg) translateX(-380px) translateZ(-20px);
z-index: 7;
} .stage ul .left1 {
transform: rotateY(40deg) translateX(-280px) translateZ(70px);
z-index: 8;
} .stage ul .king {
z-index: 9;
} .stage ul .right1 {
transform: rotateY(-40deg) translateX(280px) translateZ(-70px);
z-index: 8;
} .stage ul .right2 {
transform: rotateY(-30deg) translateX(380px) translateZ(-70px);
z-index: 7;
} .stage ul .bench-warmer {
z-index: 5;
} .stage span {
display: block;
width: 60px;
height: 60px;
background-color: rgba(0, 0, 255, .5);
z-index: 20;
position: absolute;
color: #fff;
font-size: 50px;
line-height: 60px;
text-align: center;
margin-top: -30px;
} #pre {
top: 140px;
left: -380px;
} #next {
top: 140px;
right: -380px;
}
window.onload = function() {
var pre = document.getElementById('pre');
var next = document.getElementById('next');
var zhuang = document.getElementById('zhuang');
var lis = zhuang.getElementsByTagName('li');
var lock = false;
var classes = ['left2', 'left1', 'king', 'right1', 'right2', 'bench-warmer', 'bench-warmer', 'bench-warmer', 'bench-warmer'];
pre.onclick = function() {
// 在动画播放的时候将锁锁住,判断动画是否在播放,如果在播放,锁住,终止函数的执行用return,没播放就解锁,所以默认是解锁的;
// 一单击的时候就锁住动画, 所以单击的时候让lock = true;
if (lock == true) {
return;
}
// 锁定
lock = true; setTimeout(function() {
lock = false;
}, 2000)
// 将classes的第一个取出来, 放在最后一个位置
var firstclass = classes.shift();
classes.push(firstclass);
console.log(classes);
// 然后将classes给相应的class
for (var i = 0; i < classes.length; i++) {
lis[i].className = classes[i];
}
}
next.onclick = function() {
// 在动画播放的时候将锁锁住,判断动画是否在播放,如果在播放,锁住,终止函数的执行用return,没播放就解锁,所以默认是解锁的;
// 一单击的时候就锁住动画, 所以单击的时候让lock = true;
if (lock == true) {
return;
}
// 锁定
lock = true; setTimeout(function() {
lock = false;
}, 2000)
// var lastclass = classes.pop();
classes.unshift(classes.pop());
console.log(classes);
for (var i = 0; i < classes.length; i++) {
lis[i].className = classes[i];
}
}
}
<div class="stage">
<ul id="zhuang">
<li class="left2"><img src="data:images/50/1.jpg" alt=""></li>
<li class="left1"><img src="data:images/50/2.jpg" alt=""></li>
<li class="king"><img src="data:images/50/3.jpg" alt=""></li>
<li class="right1"><img src="data:images/50/4.jpg" alt=""></li>
<li class="right2"><img src="data:images/50/5.jpg" alt=""></li>
<li class="bench-warmer"><img src="data:images/50/6.jpg" alt=""></li>
<li class="bench-warmer"><img src="data:images/50/7.jpg" alt=""></li>
<li class="bench-warmer"><img src="data:images/50/8.jpg" alt=""></li>
<li class="bench-warmer"><img src="data:images/50/9.jpg" alt=""></li>
</ul>
<span id="pre"><</span>
<span id="next">></span>
</div>