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@1Marc
Created May 15, 2013 16:56
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A CodePen by John Blazek. 3D Carousel Using TweenMax.js & jQuery - Wanted to explore some 3d carousel goodness, using DOM elements. Works best in Chrome/Safari, then FF, not 100% sure about IE 10. TO DO: Adding touch interaction with devices & animate into place and out.
<header>
<h1>3D Carousel Using TweenMax.js & jQuery</h1>
<h3>A pen by <a href="http://www.twitter.com/johnblazek" target="_blank">@johnblazek</a></h3>
<div id="fps">Framerate: 0/60 FPS</div>
</header>
<div id="contentContainer" class="trans3d">
<section id="carouselContainer" class="trans3d">
<figure id="item1" class="carouselItem trans3d"><div class="carouselItemInner trans3d">1</div></figure>
<figure id="item2" class="carouselItem trans3d"><div class="carouselItemInner trans3d">2</div></figure>
<figure id="item3" class="carouselItem trans3d"><div class="carouselItemInner trans3d">3</div></figure>
<figure id="item4" class="carouselItem trans3d"><div class="carouselItemInner trans3d">4</div></figure>
<figure id="item5" class="carouselItem trans3d"><div class="carouselItemInner trans3d">5</div></figure>
<figure id="item6" class="carouselItem trans3d"><div class="carouselItemInner trans3d">6</div></figure>
<figure id="item7" class="carouselItem trans3d"><div class="carouselItemInner trans3d">7</div></figure>
<figure id="item8" class="carouselItem trans3d"><div class="carouselItemInner trans3d">8</div></figure>
<figure id="item9" class="carouselItem trans3d"><div class="carouselItemInner trans3d">9</div></figure>
<figure id="item10" class="carouselItem trans3d"><div class="carouselItemInner trans3d">10</div></figure>
<figure id="item11" class="carouselItem trans3d"><div class="carouselItemInner trans3d">11</div></figure>
<figure id="item12" class="carouselItem trans3d"><div class="carouselItemInner trans3d">12</div></figure>
</section>
</div>
// set and cache variables
var w, container, carousel, item, radius, itemLength, rY, ticker, fps;
var mouseX = 0;
var mouseY = 0;
var mouseZ = 0;
var addX = 0;
// fps counter created by: https://gist.github.com/sharkbrainguy/1156092,
// no need to create my own :)
var fps_counter = {
tick: function ()
{
// this has to clone the array every tick so that
// separate instances won't share state
this.times = this.times.concat(+new Date());
var seconds, times = this.times;
if (times.length > this.span + 1)
{
times.shift(); // ditch the oldest time
seconds = (times[times.length - 1] - times[0]) / 1000;
return Math.round(this.span / seconds);
}
else return null;
},
times: [],
span: 20
};
var counter = Object.create(fps_counter);
$(document).ready( init )
function init()
{
w = $(window);
container = $( '#contentContainer' );
carousel = $( '#carouselContainer' );
item = $( '.carouselItem' );
itemLength = $( '.carouselItem' ).length;
fps = $('#fps');
rY = 360 / itemLength;
radius = Math.round( (250) / Math.tan( Math.PI / itemLength ) );
// set container 3d props
TweenMax.set(container, {perspective:600})
TweenMax.set(carousel, {z:-(radius)})
// create carousel item props
// i used jQuery css selectors because TweenMax's z creates a weird perspective
for ( var i = 0; i < itemLength; i++ )
{
var $item = item.eq(i);
var $block = $item.find('.carouselItemInner');
//thanks @chrisgannon!
TweenMax.set($item, {rotationY:rY * i, z:radius, transformOrigin:"50% 50% " + -radius + "px"});
animateIn( $item, $block )
}
// set mouse x and y props and looper ticker
window.addEventListener( "mousemove", onMouseMove, false );
ticker = setInterval( looper, 1000/60 );
}
function animateIn( $item, $block )
{
var $nrX = 360 * getRandomInt(2);
var $nrY = 360 * getRandomInt(2);
var $nx = -(2000) + getRandomInt( 4000 )
var $ny = -(2000) + getRandomInt( 4000 )
var $nz = -4
000 + getRandomInt( 4000 )
var $s = 1.5 + (getRandomInt( 10 ) * .1)
var $d = 1 - (getRandomInt( 8 ) * .1)
TweenMax.set( $item, { autoAlpha:1, delay:$d } )
TweenMax.set( $block, { z:$nz, rotationY:$nrY, rotationX:$nrX, x:$nx, y:$ny, autoAlpha:0} )
TweenMax.to( $block, $s, { delay:$d, rotationY:0, rotationX:0, z:0, ease:Expo.easeInOut} )
TweenMax.to( $block, $s-.5, { delay:$d, x:0, y:0, autoAlpha:1, ease:Expo.easeInOut} )
}
function onMouseMove(event)
{
mouseX = -(-(window.innerWidth * .5) + event.pageX) * .0025;
mouseY = -(-(window.innerHeight * .5) + event.pageY ) * .01;
mouseZ = -(radius) - (Math.abs(-(window.innerHeight * .5) + event.pageY ) - 200);
}
// loops and sets the carousel 3d properties
function looper()
{
addX += mouseX
TweenMax.to( carousel, 1, { rotationY:addX, rotationX:mouseY, ease:Quint.easeOut } )
TweenMax.set( carousel, {z:mouseZ } )
fps.text( 'Framerate: ' + counter.tick() + '/60 FPS' )
}
function getRandomInt( $n )
{
return Math.floor((Math.random()*$n)+1);
}
/* hardware accelatator class */
.trans3d
{
-webkit-transform-style: preserve-3d;
-webkit-transform: translate3d(0, 0, 0);
-moz-transform-style: preserve-3d;
-moz-transform: translate3d(0, 0, 0);
-ms-transform-style:preserve-3d;
-ms-transform: translate3d(0, 0, 0);
transform-style:preserve-3d;
transform: translate3d(0, 0, 0);
/*-webkit-backface-visibility: hidden;
-moz-backface-visibility: hidden;
-ms-backface-visibility:hidden;
backface-visibility:hidden;*/
}
#contentContainer
{
position:absolute;
margin-left:-500px;
margin-top:-500px;
left:50%;
top:50%;
width:1000px;
height:1000px;
}
#carouselContainer
{
position:absolute;
margin-left:-500px;
margin-top:-500px;
left:50%;
top:50%;
width:1000px;
height:1000px;
}
.carouselItem
{
width:320px;
height:130px;
position:absolute;
left:50%;
top:50%;
margin-left:-160px;
margin-top:-90px;
visibility:hidden;
}
.carouselItemInner
{
width:320px;
height:130px;
position:absolute;
background-color:rgba(255, 255, 255, .75);
border:10px solid rgba(255, 255, 255, .5);
color:aqua;
font-size:72px;
left:50%;
top:50%;
margin-left:-160px;
margin-top:-90px;
text-align:center;
padding-top:50px;
}
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