基於javascript html5實作3D翻書特效_javascript技巧

這是一款十分酷炫的HTML5 3D書本翻頁動畫，效果相對比較簡單，拖曳滑鼠模擬用手翻頁，更漂亮的是翻頁過程中，呈現出逼真的3D立體效果。書本中的文字和圖片也會3D展示，非常酷。

線上示範 原始碼下載

HTML程式碼

<div class="book p3d">
 <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代碼

.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程式碼

(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);

以上就是HTML5 3D書本翻頁動畫的範例程式碼，希望對大家學習javascript程式設計有所幫助。