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這篇文章主要介紹了使用JavaScript怎么編寫一個旋轉木馬效果，億速云小編覺得不錯，現在分享給大家，也給大家做個參考，一起跟隨億速云小編來看看吧！
代碼如下：
<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-旋轉木馬</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" >
<figure >1</figure>
<figure >2</figure>
<figure >3</figure>
<figure >4</figure>
<figure >5</figure>
<figure >6</figure>
<figure >7</figure>
<figure >8</figure>
<figure >9</figure>
<figure >10</figure>
<figure >11</figure>
<figure >12</figure>
<figure >13</figure>
<figure >14</figure>
<figure >15</figure>
<figure >16</figure>
<figure >17</figure>
<figure >18</figure>
<figure >19</figure>
<figure >20</figure>
</div>
</section>
<section id="options">
<p>
<label for="panel-count">個數</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">上一頁</button>
<button id="next" data-increment="1">下一頁</button>
</p>
<p>
<button id="toggle-axis">橫豎切換</button>
</p>
<p>
<button id="toggle-backface-visibility">背面可見切換</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">對不起,你的瀏覽器不支持CSS 3D transforms。</p>
</body></html>以上就是億速云小編為大家收集整理的使用JavaScript怎么編寫一個旋轉木馬效果，如何覺得億速云網站的內容還不錯，歡迎將億速云網站推薦給身邊好友。
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