HTML5 3D书本翻页动画如何实现 HTML5 3D书本翻页动画实现代码

 

        

        

            

            

        
    
    

        

            
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CSS代码

css;">.book {
    
    
    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 {
    
    
    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 {
    
    
    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);