04nuomi/task413/index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>CSS3实现3D轮播图</title>
    <style>
        #wrap {
            position: relative;
            width: 345px;
            height: 220px;
            margin: 120px auto;
            perspective: 1000px;
        }

        #box {
            width: 100%;
            height: 100%;
            transform-style: preserve-3d;
        }

        .item {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: visible;
        }

        .item img {
            width: 100%;
            height: 100%;
        }

        .item1 {
            transform: rotateY(0) translateZ(340px);
        }

        .item2 {
            transform: rotateY(60deg) translateZ(340px);
        }

        .item3 {
            transform: rotateY(120deg) translateZ(340px);
        }

        .item4 {
            transform: rotateY(180deg) translateZ(340px);
        }

        .item5 {
            transform: rotateY(240deg) translateZ(340px);
        }

        .item6 {
            transform: rotateY(300deg) translateZ(340px);
        }

        #wrap .animation-box {
            animation: rot 10s infinite;
            animation-play-state: paused;
        }

        /*#wrap .transform-box {
            transition: transform 1s;
        }*/

        @-webkit-keyframes rot {
            0% {
                transform: rotateY(0);
            }
            16.6% {
                transform: rotateY(-60deg);
            }
            33.3% {
                transform: rotateY(-120deg);
            }
            49.9% {
                transform: rotateY(-180deg);
            }
            66.6% {
                transform: rotateY(-240deg);
            }
            83.3% {
                transform: rotateY(-300deg);
            }
            100% {
                transform: rotateY(-360deg);
            }
        }

        #btn-wrap {
            width: 400px;
            height: 40px;
            text-align: center;
            margin: 0 auto;
        }

        .btn {
            width: 80px;
            height: 40px;
            border-radius: 6px;
            background-color: #2aabd2;
            color: #fff;
            outline: none;
            border: 2px solid #1b6d85;
        }

        .btn:hover {
            background-color: #4cae4c;
        }
    </style>
</head>
<body>
<div id="wrap">
    <div id="box" class="animation-box">
        <div class="item item1"><a href="http://visugar.com" target="_blank"><img data-index="1" src="./imgs/01.jpg"></a></div>
        <div class="item item2"><img data-index="2" src="./imgs/02.jpg"></div>
        <div class="item item3"><img data-index="3" src="./imgs/03.jpg"></div>
        <div class="item item4"><img data-index="4" src="./imgs/04.jpg"></div>
        <div class="item item5"><img data-index="5" src="./imgs/05.jpg"></div>
        <div class="item item6"><img data-index="6" src="./imgs/06.jpg"></div>
    </div>
</div>

<div id="btn-wrap">
    <button type="button" class="btn start">开始</button>
    <button type="button" class="btn stop">停止</button>
</div>

<script>
    var box = document.getElementById('box');
    var start = document.getElementsByClassName('start')[0];
    var stop = document.getElementsByClassName('stop')[0];

    var current;

    /*开始*/
    start.onclick = function () {
        box.style.animationPlayState = 'running';
    };

    /*停止*/
    stop.onclick = function () {
        box.style.animationPlayState = 'paused';

        /*console.log(window.getComputedStyle(box).transform);  //得到一个比较复杂的矩阵*/
    };

    /*点击某一张则显示在最前面*/
    box.onmouseover = function (e) {
        current = box.style.animationPlayState;
        var e = e || window.event;
        var target = e.target || e.srcElement;
        if (target && target.tagName == 'IMG') {
            box.style.animationPlayState = 'paused';
        }
    };

    box.onmouseout = function (e) {
        var e = e || window.event;
        var target = e.target || e.srcElement;
        if (target && target.tagName == 'IMG') {
            if (current == 'running') {
                box.style.animationPlayState = 'running';
            }

        }
    }
</script>
</body>
</html>