HTML5 3D书本翻页动画的如何实现示例

这是一款十分炫酷的HTML5 3D书本翻页动画，效果相对比较简单，拖拽鼠标模拟用手翻页，更漂亮的是翻页过程中，呈现出逼真的3D立体效果。书本中的文字和图片也会3D展示，非常酷。

HTML代码

 <div class="back-cover p3d">
        <div class="page back flip"></div>
        <div class="page front p3d">
            <div class="shadow"></div>
            <div class="dino"></div>
        </div>
    </div>
    <div class="front-cover p3d">
        <div class="page front flip p3d">
            <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam fermentum nisl quis nulla eleifend dignissim. Curabitur varius lobortis tincidunt. Maecenas gravida, nulla quis luctus imperdiet, ipsum nibh consectetur ante, in sodales massa tortor eget neque. Donec porta ligula massa, id sagittis est. Ut nisl tellus, faucibus nec feugiat ut, laoreet iaculis felis. Suspendisse ultrices mauris vel tellus suscipit commodo. Integer vitae tortor erat. Pellentesque non tempor nisi.</p>
        </div>
        <div class="page back"></div>
    </div>
</div>

CSS代码

.book {
    width: 300px;
    height: 300px;
    margin-top: -150px;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: rotateX(60deg);
    -moz-transform: rotateX(60deg);
    -ms-transform: rotateX(60deg);
    -o-transform: rotateX(60deg);
    transform: rotateX(60deg);
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -o-user-select: none;
    user-select: none;
}
.page {
    width: 300px;
    height: 300px;
    padding: 1em;
    position: absolute;
    left: 0;
    top: 0;
    text-indent: 2em;
}
.front {
    background-color: #d93e2b;
}
.back {
    background-color: #fff;
}
.front-cover {
    cursor: move;
    -webkit-transform-origin: 0 50%;
    -moz-transform-origin: 0 50%;
    -ms-transform-origin: 0 50%;
    -o-transform-origin: 0 50%;
    transform-origin: 0 50%;
    -webkit-transform: rotateY(0deg);
    -moz-transform: rotateY(0deg);
    -ms-transform: rotateY(0deg);
    -o-transform: rotateY(0deg);
    transform: rotateY(0deg);
}
.front-cover .back {
    background-image: url(mdn.png);
    background-repeat: no-repeat;
    background-position: 50% 50%;
    -webkit-transform: translateZ(3px);
    -moz-transform: translateZ(3px);
    -ms-transform: translateZ(3px);
    -o-transform: translateZ(3px);
    transform: translateZ(3px);
}
.back-cover .back {
    -webkit-transform: translateZ(-3px);
    -moz-transform: translateZ(-3px);
    -ms-transform: translateZ(-3px);
    -o-transform: translateZ(-3px);
    transform: translateZ(-3px); 
}
.p3d {
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    transform-style: preserve-3d;
}
.flip {
    -webkit-transform: rotateY(180deg);
    -moz-transform: rotateY(180deg);
    -ms-transform: rotateY(180deg);
    -o-transform: rotateY(180deg);
    transform: rotateY(180deg);
}
.dino,
.shadow {
    width: 196px;
    height: 132px;
    position: absolute;
    left: 60px;
    top: 60px;
    -webkit-transform-origin: 0 100%;
    -moz-transform-origin: 0 100%;
    -ms-transform-origin: 0 100%;
    -o-transform-origin: 0 100%;
    transform-origin: 0 100%;
}
.dino {
    background: url(dino.png) no-repeat;

}
.shadow {
    background: url(shadow.png) no-repeat;
}

JavaScript代码

(function (window, document) {

    var prefixes = ['Webkit', 'Moz', 'ms', 'O', ''],
        book = document.querySelectorAll('.book')[0],
        page = document.querySelectorAll('.front-cover')[0],
        dino = document.querySelectorAll('.dino')[0],
        shadow = document.querySelectorAll('.shadow')[0],
        hold = false,
        centerPoint = window.innerWidth / 2,
        pageSize = 300,
        clamp = function (val, min, max) {
            return Math.max(min, Math.min(val, max));
        };

    page.onmousedown = function () {
        hold = true;
    };

    window.onmouseup = function () {
        if (hold) {
            hold = false;
        }
    };

    window.onresize = function () {
        centerPoint = window.innerWidth / 2;
    };

    window.onmousemove = function (evt) {
        if (!hold) {
            return;
        }

        var angle = clamp((centerPoint - evt.pageX + pageSize) / pageSize * -90, -180, 0),
            i, j;

        for (i = 0, j = prefixes.length; i < j; i++) {
            book.style[prefixes[i] + 'Transform'] = 'rotateX(' + (60 + angle / 8) + 'deg)';
            page.style[prefixes[i] + 'Transform'] = 'rotateY(' + angle + 'deg)';
            dino.style[prefixes[i] + 'Transform'] = 'rotateX(' + (angle / 2) + 'deg)';
            shadow.style[prefixes[i] + 'Transform'] = 'translateZ(1px) skewX(' + (angle / 8) + 'deg)';
        }
    };

})(window, document);

本文HTML5 3D书本翻页动画的如何实现示例到此结束。冬天的河干涸了，我相信，春水还会来临，那时白帆就是我心中的偶像;风中的树叶凋零了，我相信，泥土里的梦将在枝头开花结果。谢谢大家支持！