基于javascript html5实现3D翻书特效_javascript技巧-js教程

 
 
 
  
  
 
 
 
 
  
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.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;}

(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);