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CSS: Cover Flow
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<!doctype html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> | |
<title>CSS3 CoverFlow</title> | |
<link rel="stylesheet" href="css/coverflow.css"> | |
<!-- Modernizr --> | |
<script src="js/libs/modernizr.js"></script> | |
</head> | |
<body> | |
<div id="coverflow"> | |
<section data-cover="http://a2.mzstatic.com/us/r1000/060/Features/1c/df/c3/dj.sahccbiy.170x170-75.jpg" ></section> | |
<section data-cover="http://a3.mzstatic.com/us/r1000/102/Music/95/45/3f/mzi.xqnmexwi.170x170-75.jpg" ></section> | |
<section data-cover="http://a4.mzstatic.com/us/r1000/014/Music/ea/6f/96/mzi.egqrvlca.170x170-75.jpg" ></section> | |
<section data-cover="http://a3.mzstatic.com/us/r1000/096/Music/1a/86/1f/mzi.dcotnnwo.170x170-75.jpg" ></section> | |
<section data-cover="http://a4.mzstatic.com/us/r1000/094/Music/a8/8b/db/mzi.dyzjtwow.170x170-75.jpg" ></section> | |
<section data-cover="http://a1.mzstatic.com/us/r1000/024/Music/81/54/3b/mzi.cceuzwlz.170x170-75.jpg" ></section> | |
<section data-cover="http://a5.mzstatic.com/us/r1000/103/Music/2f/08/9e/mzi.gxjxokia.170x170-75.jpg" ></section> | |
</div> | |
<nav id="controls"> | |
<a id="prev">Left</a> & <a id="next">Right</a> | |
</nav> | |
<!-- Javascript --> | |
<script src="js/coverflow.js"></script> | |
</body> | |
</html> |
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/** | |
* | |
* CoverFlow using CSS3 | |
* | |
* @author: Hjörtur Elvar Hilmarsson | |
* | |
**/ | |
(function() { | |
// Local variables | |
var _index = 0, | |
_coverflow = null, | |
_prevLink = null, | |
_nextLink = null, | |
_albums = [], | |
_transformName = Modernizr.prefixed('transform'), | |
// Constants | |
OFFSET = 70; // pixels | |
ROTATION = 45; // degrees | |
BASE_ZINDEX = 10; // | |
MAX_ZINDEX = 42; // | |
/** | |
* Get selector from the dom | |
**/ | |
function get( selector ) { | |
return document.querySelector( selector ); | |
}; | |
/** | |
* Renders the CoverFlow based on the current _index | |
**/ | |
function render() { | |
// loop through albums & transform positions | |
for( var i = 0; i < _albums.length; i++ ) { | |
// before | |
if( i < _index ) { | |
_albums[i].style[_transformName] = "translateX( -"+ ( OFFSET * ( _index - i ) ) +"% ) rotateY( "+ ROTATION +"deg )"; | |
_albums[i].style.zIndex = BASE_ZINDEX + i; | |
} | |
// current | |
if( i === _index ) { | |
_albums[i].style[_transformName] = "rotateY( 0deg ) translateZ( 140px )"; | |
_albums[i].style.zIndex = MAX_ZINDEX; | |
} | |
// after | |
if( i > _index ) { | |
_albums[i].style[_transformName] = "translateX( "+ ( OFFSET * ( i - _index ) ) +"% ) rotateY( -"+ ROTATION +"deg )"; | |
_albums[i].style.zIndex = BASE_ZINDEX + ( _albums.length - i ); | |
} | |
} | |
}; | |
/** | |
* Flow to the right | |
**/ | |
function flowRight() { | |
// check if has albums | |
// on the right side | |
if( _index ) { | |
_index--; | |
render(); | |
} | |
}; | |
/** | |
* Flow to the left | |
**/ | |
function flowLeft() { | |
// check if has albums | |
// on the left side | |
if( _albums.length > ( _index + 1) ) { | |
_index++; | |
render(); | |
} | |
}; | |
/** | |
* Enable left & right keyboard events | |
**/ | |
function keyDown( event ) { | |
switch( event.keyCode ) { | |
case 37: flowRight(); break; // left | |
case 39: flowLeft(); break; // right | |
} | |
}; | |
/** | |
* Register all events | |
**/ | |
function registerEvents() { | |
_prevLink.addEventListener('click', flowRight, false); | |
_nextLink.addEventListener('click', flowLeft, false); | |
document.addEventListener('keydown', keyDown, false); | |
}; | |
/** | |
* Initalize | |
**/ | |
function init() { | |
// get albums & set index on the album in the middle | |
_albums = Array.prototype.slice.call( document.querySelectorAll( 'section' )); | |
_index = Math.floor( _albums.length / 2 ); | |
// get dom stuff | |
_coverflow = get('#coverflow'); | |
_prevLink = get('#prev'); | |
_nextLink = get('#next'); | |
// display covers | |
for( var i = 0; i < _albums.length; i++ ) { | |
var url = _albums[i].getAttribute("data-cover"); | |
_albums[i].style.backgroundImage = "url("+ url +")"; | |
} | |
// do important stuff | |
registerEvents(); | |
render(); | |
}; | |
// go! | |
init(); | |
}()); |
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/* | |
* Layout | |
*/ | |
html, body { | |
position: relative; | |
padding: 0; | |
margin: 0; | |
overflow: hidden; | |
background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, #333 ), color-stop(100%,black)); | |
background: -webkit-radial-gradient(center, ellipse cover, #333 0%, black 100%); | |
height: 100%; | |
width: 100%; | |
text-align: center; | |
font-family: sans-serif; | |
} | |
/* | |
* Coverflow | |
*/ | |
#coverflow { | |
height: 100%; | |
width: 100%; | |
-webkit-perspective: 600px; | |
} | |
#coverflow section { | |
display: position; | |
position: absolute; | |
top: 50%; | |
left: 50%; | |
width: 170px; | |
height: 170px; | |
margin-left: -90px; | |
margin-top: -90px; | |
background-color: white; | |
background-size: 100%; | |
-webkit-transform-style: preserve-3d; | |
-moz-transform-style: preserve-3d; | |
-ms-transform-style: preserve-3d; | |
transform-style: preserve-3d; | |
-webkit-transition: all 300ms ease-in; | |
-moz-transition: all 300ms ease-in; | |
-ms-transition: all 300ms ease-in; | |
-o-transition: all 300ms ease-in; | |
transition: all 300ms ease-in; | |
-webkit-box-reflect: below 0 | |
-webkit-gradient(linear, left top, left bottom, from(transparent), color-stop(0.3, transparent), to(white)); | |
} | |
/* | |
* Controls | |
*/ | |
#controls { | |
position: absolute; | |
width: 100%; | |
bottom: 10%; | |
z-index: 1; | |
-webkit-touch-callout: none; | |
-webkit-user-select: none; | |
-khtml-user-select: none; | |
-moz-user-select: none; | |
-ms-user-select: none; | |
-o-user-select: none; | |
user-select: none; | |
color: #999; | |
font-size: 18px; | |
} | |
#controls a { | |
color: white; | |
cursor: pointer; | |
} | |
#controls a:hover { | |
color: 66FFFF; | |
} |
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