JavaScript

超轻量级php框架startmvc

js实现旋转木马效果

更新时间:2020-04-30 17:42 作者:startmvc
效果图:代码如下:<htmlclass="jscsstransforms3d"lang="zh"><head><metacharset="UTF-8"><meta

效果图:

代码如下:


<html class=" js csstransforms3d" lang="zh"><head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> 
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>CSS3 3D transforms-旋转木马</title>
 <link rel="stylesheet" type="text/css" href="http://www.htmleaf.com/pins/1412/201502062108/css/style.css" rel="external nofollow" >
 <style media="screen">
 .container {
 width: 210px;
 height: 140px;
 position: relative;
 margin: 50px auto 40px;
 border: 1px solid #CCC;
 -webkit-perspective: 1100px;
 -moz-perspective: 1100px;
 -o-perspective: 1100px;
 perspective: 1100px;
 }
 #carousel {
 width: 100%;
 height: 100%;
 position: absolute;
 -webkit-transform-style: preserve-3d;
 -moz-transform-style: preserve-3d;
 -o-transform-style: preserve-3d;
 transform-style: preserve-3d;
 }
 .ready #carousel {
 -webkit-transition: -webkit-transform 1s;
 -moz-transition: -moz-transform 1s;
 -o-transition: -o-transform 1s;
 transition: transform 1s;
 }
 #carousel.panels-backface-invisible figure {
 -webkit-backface-visibility: hidden;
 -moz-backface-visibility: hidden;
 -o-backface-visibility: hidden;
 backface-visibility: hidden;
 }
 #carousel figure {
 display: block;
 position: absolute;
 width: 186px;
 height: 116px;
 left: 10px;
 top: 10px;
 border: 2px solid black;
 line-height: 116px;
 font-size: 80px;
 font-weight: bold;
 color: white;
 text-align: center;
 }
 .ready #carousel figure {
 -webkit-transition: opacity 1s, -webkit-transform 1s;
 -moz-transition: opacity 1s, -moz-transform 1s;
 -o-transition: opacity 1s, -o-transform 1s;
 transition: opacity 1s, transform 1s;
 }
 #options{
 margin-top: 200px;
 width: 100%;
 text-align: center;
 }
 #options button{padding: 0.5em 1.5em;border: 2px solid #6699cc;background: #fff;}
 </style>
 <!--[if IE]>
 <script src="http://libs.useso.com/js/html5shiv/3.7/html5shiv.min.js"></script>
 <![endif]-->
</head>
 <section class="container">
 <div id="carousel" style="transform: translateZ(-286px) rotateY(0deg);">
 <figure style="opacity: 1; background-color: rgba(255, 0, 0, 0.8); transform: rotateY(0deg) translateZ(286px);">1</figure>
 <figure style="opacity: 1; background-color: rgba(255, 170, 0, 0.8); transform: rotateY(40deg) translateZ(286px);">2</figure>
 <figure style="opacity: 1; background-color: rgba(169, 255, 0, 0.8); transform: rotateY(80deg) translateZ(286px);">3</figure>
 <figure style="opacity: 1; background-color: rgba(0, 255, 0, 0.8); transform: rotateY(120deg) translateZ(286px);">4</figure>
 <figure style="opacity: 1; background-color: rgba(0, 255, 169, 0.8); transform: rotateY(160deg) translateZ(286px);">5</figure>
 <figure style="opacity: 1; background-color: rgba(0, 169, 255, 0.8); transform: rotateY(200deg) translateZ(286px);">6</figure>
 <figure style="opacity: 1; background-color: rgba(0, 0, 255, 0.8); transform: rotateY(240deg) translateZ(286px);">7</figure>
 <figure style="opacity: 1; background-color: rgba(170, 0, 255, 0.8); transform: rotateY(280deg) translateZ(286px);">8</figure>
 <figure style="opacity: 1; background-color: rgba(255, 0, 169, 0.8); transform: rotateY(320deg) translateZ(286px);">9</figure>
 <figure style="opacity: 0; transform: none;">10</figure>
 <figure style="opacity: 0; transform: none;">11</figure>
 <figure style="opacity: 0; transform: none;">12</figure>
 <figure style="opacity: 0; transform: none;">13</figure>
 <figure style="opacity: 0; transform: none;">14</figure>
 <figure style="opacity: 0; transform: none;">15</figure>
 <figure style="opacity: 0; transform: none;">16</figure>
 <figure style="opacity: 0; transform: none;">17</figure>
 <figure style="opacity: 0; transform: none;">18</figure>
 <figure style="opacity: 0; transform: none;">19</figure>
 <figure style="opacity: 0; transform: none;">20</figure>
 </div>
 </section>
 <section id="options">
 <p>
 <label for="panel-count">个数</label>
 <input id="panel-count" value="9" min="3" max="20" type="range">
 <span class=" range-display"></span></p>
 <p id="navigation">
 <button id="previous" data-increment="-1">上一页</button>
 <button id="next" data-increment="1">下一页</button>
 </p>
 <p>
 <button id="toggle-axis">横竖切换</button>
 </p>
 <p>
 <button id="toggle-backface-visibility">背面可见切换</button>
 </p>
 </section>
 </div>
 <script src="http://www.htmleaf.com/pins/1412/201502062108/js/utils.js"></script>
 <script>
 var transformProp = Modernizr.prefixed('transform');
 function Carousel3D ( el ) {
 this.element = el;
 this.rotation = 0;
 this.panelCount = 0;
 this.totalPanelCount = this.element.children.length;
 this.theta = 0;
 this.isHorizontal = true;
 }
 Carousel3D.prototype.modify = function() {
 var panel, angle, i;
 this.panelSize = this.element[ this.isHorizontal ? 'offsetWidth' : 'offsetHeight' ];
 this.rotateFn = this.isHorizontal ? 'rotateY' : 'rotateX';
 this.theta = 360 / this.panelCount;
 // do some trig to figure out how big the carousel
 // is in 3D space
 this.radius = Math.round( ( this.panelSize / 2) / Math.tan( Math.PI / this.panelCount ) );
 for ( i = 0; i < this.panelCount; i++ ) {
 panel = this.element.children[i];
 angle = this.theta * i;
 panel.style.opacity = 1;
 panel.style.backgroundColor = 'hsla(' + angle + ', 100%, 50%, 0.8)';
 // rotate panel, then push it out in 3D space
 panel.style[ transformProp ] = this.rotateFn + '(' + angle + 'deg) translateZ(' + this.radius + 'px)';
 }
 // hide other panels
 for ( ; i < this.totalPanelCount; i++ ) {
 panel = this.element.children[i];
 panel.style.opacity = 0;
 panel.style[ transformProp ] = 'none';
 }
 // adjust rotation so panels are always flat
 this.rotation = Math.round( this.rotation / this.theta ) * this.theta;
 this.transform();
 };
 Carousel3D.prototype.transform = function() {
 // push the carousel back in 3D space,
 // and rotate it
 this.element.style[ transformProp ] = 'translateZ(-' + this.radius + 'px) ' + this.rotateFn + '(' + this.rotation + 'deg)';
 };
 var init = function() {
 var carousel = new Carousel3D( document.getElementById('carousel') ),
 panelCountInput = document.getElementById('panel-count'),
 axisButton = document.getElementById('toggle-axis'),
 navButtons = document.querySelectorAll('#navigation button'),
 onNavButtonClick = function( event ){
 var increment = parseInt( event.target.getAttribute('data-increment') );
 carousel.rotation += carousel.theta * increment * -1;
 carousel.transform();
 };
 // populate on startup
 carousel.panelCount = parseInt( panelCountInput.value, 10);
 carousel.modify();
 axisButton.addEventListener( 'click', function(){
 carousel.isHorizontal = !carousel.isHorizontal;
 carousel.modify();
 }, false);
 panelCountInput.addEventListener( 'change', function( event ) {
 carousel.panelCount = event.target.value;
 carousel.modify();
 }, false);
 for (var i=0; i < 2; i++) {
 navButtons[i].addEventListener( 'click', onNavButtonClick, false);
 }
 document.getElementById('toggle-backface-visibility').addEventListener( 'click', function(){
 carousel.element.toggleClassName('panels-backface-invisible');
 }, false);
 setTimeout( function(){
 document.body.addClassName('ready');
 }, 0);
 };
 window.addEventListener( 'DOMContentLoaded', init, false);
 </script>
 <p id="disclaimer">对不起,你的浏览器不支持CSS 3D transforms。</p>
</body></html>

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