基于Jquery和html5实现炫酷的3D焦点图动画

<section id="dg-container" class="dg-container"> <div class="dg-wrapper"> <a href="#"><img src="images/1.jpg" alt="image01"><div>http://www.colazionedamichy.it/</div></a> <a href="#"><img src="images/2.jpg" alt="image02"><div>http://www.percivalclo.com/</div></a> <a href="#"><img src="images/3.jpg" alt="image03"><div>http://www.wanda.net/fr</div></a> <a href="#"><img src="images/4.jpg" alt="image04"><div>http://lifeingreenville.com/</div></a> <a href="#"><img src="images/5.jpg" alt="image05"><div>http://circlemeetups.com/</div></a> <a href="#"><img src="images/6.jpg" alt="image06"><div>http://www.castirondesign.com/</div></a> <a href="#"><img src="images/7.jpg" alt="image07"><div>http://www.foundrycollective.com/</div></a> <a href="#"><img src="images/8.jpg" alt="image08"><div>http://www.mathiassterner.com/home</div></a> <a href="#"><img src="images/9.jpg" alt="image09"><div>http://learnlakenona.com/</div></a> <a href="#"><img src="images/10.jpg" alt="image10"><div>http://www.neighborhood-studio.com/</div></a> <a href="#"><img src="images/11.jpg" alt="image11"><div>http://www.beckindesign.com/</div></a> <a href="#"><img src="images/12.jpg" alt="image12"><div>http://kicksend.com/</div></a> </div> <nav>  <span class="dg-prev"><</span> <span class="dg-next">></span> </nav></section>

.dg-container{ width: 100%; height: 450px; position: relative;}.dg-wrapper{ width: 481px; height: 316px; margin: 0 auto; position: relative; -webkit-transform-style: preserve-3d; -moz-transform-style: preserve-3d; -o-transform-style: preserve-3d; -ms-transform-style: preserve-3d; transform-style: preserve-3d; -webkit-perspective: 1000px; -moz-perspective: 1000px; -o-perspective: 1000px; -ms-perspective: 1000px; perspective: 1000px;}.dg-wrapper a{ width: 482px; height: 316px; display: block; position: absolute; left: 0; top: 0; background: transparent url(../images/browser.png) no-repeat top left; box-shadow: 0px 10px 20px rgba(0,0,0,0.3);}.dg-wrapper a.dg-transition{ -webkit-transition: all 0.5s ease-in-out; -moz-transition: all 0.5s ease-in-out; -o-transition: all 0.5s ease-in-out; -ms-transition: all 0.5s ease-in-out; transition: all 0.5s ease-in-out;}.dg-wrapper a img{ display: block; padding: 41px 0px 0px 1px;}.dg-wrapper a div{ font-style: italic; text-align: center; line-height: 50px; text-shadow: 1px 1px 1px rgba(255,255,255,0.5); color: #333; font-size: 16px; width: 100%; bottom: -55px; display: none; position: absolute;}.dg-wrapper a.dg-center div{ display: block;}.dg-container nav{ width: 58px; position: absolute; z-index: 1000; bottom: 40px; left: 50%; margin-left: -29px;}.dg-container nav span{ text-indent: -9000px; float: left; cursor:pointer; width: 24px; height: 25px; opacity: 0.8; background: transparent url(../images/arrows.png) no-repeat top left;}.dg-container nav span:hover{ opacity: 1;}.dg-container nav span.dg-next{ background-position: top right; margin-left: 10px;}

/** * jquery.gallery.js * Copyright 2011, Pedro Botelho / Codrops * Free to use under the MIT license. * * Date: Mon Jan 30 2012 */(function( $, undefined ) { /* * Gallery object. */ $.Gallery   = function( options, element ) { this.$el = $( element ); this._init( options ); }; $.Gallery.defaults  = { current : 0, // index of current item autoplay : false,// slideshow on / off interval : 2000 // time between transitions  }; $.Gallery.prototype = { _init   : function( options ) {  this.options  = $.extend( true, {}, $.Gallery.defaults, options );  // support for 3d / 2d transforms and transitions  this.support3d = Modernizr.csstransforms3d;  this.support2d = Modernizr.csstransforms;  this.supportTrans = Modernizr.csstransitions;  this.$wrapper = this.$el.find('.dg-wrapper');  this.$items  = this.$wrapper.children();  this.itemsCount = this.$items.length;  this.$nav  = this.$el.find('nav');  this.$navPrev = this.$nav.find('.dg-prev');  this.$navNext = this.$nav.find('.dg-next');  // minimum of 3 items  if( this.itemsCount < 3 ) {  this.$nav.remove();  return false;  }   this.current = this.options.current;  this.isAnim  = false;  this.$items.css({  'opacity' : 0,  'visibility': 'hidden'  });  this._validate();  this._layout();  // load the events  this._loadEvents();  // slideshow  if( this.options.autoplay ) {  this._startSlideshow();  } }, _validate  : function() {  if( this.options.current < 0 || this.options.current > this.itemsCount - 1 ) {  this.current = 0;  }  }, _layout  : function() {  // current, left and right items  this._setItems();  // current item is not changed  // left and right one are rotated and translated  var leftCSS, rightCSS, currentCSS;  if( this.support3d && this.supportTrans ) {  leftCSS = {   '-webkit-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',   '-moz-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',   '-o-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',   '-ms-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',   'transform'  : 'translateX(-350px) translateZ(-200px) rotateY(45deg)'  };  rightCSS = {   '-webkit-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',   '-moz-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',   '-o-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',   '-ms-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',   'transform'  : 'translateX(350px) translateZ(-200px) rotateY(-45deg)'  };  leftCSS.opacity = 1;  leftCSS.visibility = 'visible';  rightCSS.opacity = 1;  rightCSS.visibility = 'visible';  }  else if( this.support2d && this.supportTrans ) {  leftCSS = {   '-webkit-transform' : 'translate(-350px) scale(0.8)',   '-moz-transform' : 'translate(-350px) scale(0.8)',   '-o-transform' : 'translate(-350px) scale(0.8)',   '-ms-transform' : 'translate(-350px) scale(0.8)',   'transform'  : 'translate(-350px) scale(0.8)'  };  rightCSS = {   '-webkit-transform' : 'translate(350px) scale(0.8)',   '-moz-transform' : 'translate(350px) scale(0.8)',   '-o-transform' : 'translate(350px) scale(0.8)',   '-ms-transform' : 'translate(350px) scale(0.8)',   'transform'  : 'translate(350px) scale(0.8)'  };  currentCSS = {   'z-index'  : 999  };  leftCSS.opacity = 1;  leftCSS.visibility = 'visible';  rightCSS.opacity = 1;  rightCSS.visibility = 'visible';  }  this.$leftItm.css( leftCSS || {} );  this.$rightItm.css( rightCSS || {} );  this.$currentItm.css( currentCSS || {} ).css({  'opacity' : 1,  'visibility': 'visible'  }).addClass('dg-center'); }, _setItems  : function() {  this.$items.removeClass('dg-center');  this.$currentItm = this.$items.eq( this.current );  this.$leftItm = ( this.current === 0 ) ? this.$items.eq( this.itemsCount - 1 ) : this.$items.eq( this.current - 1 );  this.$rightItm = ( this.current === this.itemsCount - 1 ) ? this.$items.eq( 0 ) : this.$items.eq( this.current + 1 );  if( !this.support3d && this.support2d && this.supportTrans ) {  this.$items.css( 'z-index', 1 );  this.$currentItm.css( 'z-index', 999 );  }  // next & previous items  if( this.itemsCount > 3 ) {  // next item  this.$nextItm = ( this.$rightItm.index() === this.itemsCount - 1 ) ? this.$items.eq( 0 ) : this.$rightItm.next();  this.$nextItm.css( this._getCoordinates('outright') );  // previous item  this.$prevItm = ( this.$leftItm.index() === 0 ) ? this.$items.eq( this.itemsCount - 1 ) : this.$leftItm.prev();  this.$prevItm.css( this._getCoordinates('outleft') );  } }, _loadEvents  : function() {  var _self = this;  this.$navPrev.on( 'click.gallery', function( event ) {  if( _self.options.autoplay ) {   clearTimeout( _self.slideshow );   _self.options.autoplay = false;  }  _self._navigate('prev');  return false;  });  this.$navNext.on( 'click.gallery', function( event ) {  if( _self.options.autoplay ) {   clearTimeout( _self.slideshow );   _self.options.autoplay = false;  }  _self._navigate('next');  return false;  });  this.$wrapper.on( 'webkitTransitionEnd.gallery transitionend.gallery OTransitionEnd.gallery', function( event ) {  _self.$currentItm.addClass('dg-center');  _self.$items.removeClass('dg-transition');  _self.isAnim = false;  }); }, _getCoordinates : function( position ) {  if( this.support3d && this.supportTrans ) {  switch( position ) {   case 'outleft':   return {    '-webkit-transform' : 'translateX(-450px) translateZ(-300px) rotateY(45deg)',    '-moz-transform' : 'translateX(-450px) translateZ(-300px) rotateY(45deg)',    '-o-transform' : 'translateX(-450px) translateZ(-300px) rotateY(45deg)',    '-ms-transform' : 'translateX(-450px) translateZ(-300px) rotateY(45deg)',    'transform'  : 'translateX(-450px) translateZ(-300px) rotateY(45deg)',    'opacity'  : 0,    'visibility' : 'hidden'   };   break;   case 'outright':   return {    '-webkit-transform' : 'translateX(450px) translateZ(-300px) rotateY(-45deg)',    '-moz-transform' : 'translateX(450px) translateZ(-300px) rotateY(-45deg)',    '-o-transform' : 'translateX(450px) translateZ(-300px) rotateY(-45deg)',    '-ms-transform' : 'translateX(450px) translateZ(-300px) rotateY(-45deg)',    'transform'  : 'translateX(450px) translateZ(-300px) rotateY(-45deg)',    'opacity'  : 0,    'visibility' : 'hidden'   };   break;   case 'left':   return {    '-webkit-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',    '-moz-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',    '-o-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',    '-ms-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',    'transform'  : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',    'opacity'  : 1,    'visibility' : 'visible'   };   break;   case 'right':   return {    '-webkit-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',    '-moz-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',    '-o-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',    '-ms-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',    'transform'  : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',    'opacity'  : 1,    'visibility' : 'visible'   };   break;   case 'center':   return {    '-webkit-transform' : 'translateX(0px) translateZ(0px) rotateY(0deg)',    '-moz-transform' : 'translateX(0px) translateZ(0px) rotateY(0deg)',    '-o-transform' : 'translateX(0px) translateZ(0px) rotateY(0deg)',    '-ms-transform' : 'translateX(0px) translateZ(0px) rotateY(0deg)',    'transform'  : 'translateX(0px) translateZ(0px) rotateY(0deg)',    'opacity'  : 1,    'visibility' : 'visible'   };   break;  };  }  else if( this.support2d && this.supportTrans ) {  switch( position ) {   case 'outleft':   return {    '-webkit-transform' : 'translate(-450px) scale(0.7)',    '-moz-transform' : 'translate(-450px) scale(0.7)',    '-o-transform' : 'translate(-450px) scale(0.7)',    '-ms-transform' : 'translate(-450px) scale(0.7)',    'transform'  : 'translate(-450px) scale(0.7)',    'opacity'  : 0,    'visibility' : 'hidden'   };   break;   case 'outright':   return {    '-webkit-transform' : 'translate(450px) scale(0.7)',    '-moz-transform' : 'translate(450px) scale(0.7)',    '-o-transform' : 'translate(450px) scale(0.7)',    '-ms-transform' : 'translate(450px) scale(0.7)',    'transform'  : 'translate(450px) scale(0.7)',    'opacity'  : 0,    'visibility' : 'hidden'   };   break;   case 'left':   return {    '-webkit-transform' : 'translate(-350px) scale(0.8)',    '-moz-transform' : 'translate(-350px) scale(0.8)',    '-o-transform' : 'translate(-350px) scale(0.8)',    '-ms-transform' : 'translate(-350px) scale(0.8)',    'transform'  : 'translate(-350px) scale(0.8)',    'opacity'  : 1,    'visibility' : 'visible'   };   break;   case 'right':   return {    '-webkit-transform' : 'translate(350px) scale(0.8)',    '-moz-transform' : 'translate(350px) scale(0.8)',    '-o-transform' : 'translate(350px) scale(0.8)',    '-ms-transform' : 'translate(350px) scale(0.8)',    'transform'  : 'translate(350px) scale(0.8)',    'opacity'  : 1,    'visibility' : 'visible'   };   break;   case 'center':   return {    '-webkit-transform' : 'translate(0px) scale(1)',    '-moz-transform' : 'translate(0px) scale(1)',    '-o-transform' : 'translate(0px) scale(1)',    '-ms-transform' : 'translate(0px) scale(1)',    'transform'  : 'translate(0px) scale(1)',    'opacity'  : 1,    'visibility' : 'visible'   };   break;  };  }  else {  switch( position ) {   case 'outleft' :    case 'outright' :    case 'left' :    case 'right' :   return {    'opacity'  : 0,    'visibility' : 'hidden'   };   break;   case 'center' :   return {    'opacity'  : 1,    'visibility' : 'visible'   };   break;  };  } }, _navigate  : function( dir ) {  if( this.supportTrans && this.isAnim )  return false;  this.isAnim = true;  switch( dir ) {  case 'next' :   this.current = this.$rightItm.index();   // current item moves left   this.$currentItm.addClass('dg-transition').css( this._getCoordinates('left') );   // right item moves to the center   this.$rightItm.addClass('dg-transition').css( this._getCoordinates('center') );    // next item moves to the right   if( this.$nextItm ) {   // left item moves out   this.$leftItm.addClass('dg-transition').css( this._getCoordinates('outleft') );   this.$nextItm.addClass('dg-transition').css( this._getCoordinates('right') );   }   else {   // left item moves right   this.$leftItm.addClass('dg-transition').css( this._getCoordinates('right') );   }   break;  case 'prev' :   this.current = this.$leftItm.index();   // current item moves right   this.$currentItm.addClass('dg-transition').css( this._getCoordinates('right') );   // left item moves to the center   this.$leftItm.addClass('dg-transition').css( this._getCoordinates('center') );   // prev item moves to the left   if( this.$prevItm ) {   // right item moves out   this.$rightItm.addClass('dg-transition').css( this._getCoordinates('outright') );   this.$prevItm.addClass('dg-transition').css( this._getCoordinates('left') );   }   else {   // right item moves left   this.$rightItm.addClass('dg-transition').css( this._getCoordinates('left') );   }   break;   };  this._setItems();  if( !this.supportTrans )  this.$currentItm.addClass('dg-center'); }, _startSlideshow : function() {  var _self = this;  this.slideshow = setTimeout( function() {  _self._navigate( 'next' );  if( _self.options.autoplay ) {   _self._startSlideshow();  }  }, this.options.interval ); }, destroy  : function() {  this.$navPrev.off('.gallery');  this.$navNext.off('.gallery');  this.$wrapper.off('.gallery'); } }; var logError  = function( message ) { if ( this.console ) {  console.error( message ); } }; $.fn.gallery  = function( options ) { if ( typeof options === 'string' ) {  var args = Array.prototype.slice.call( arguments, 1 );  this.each(function() {  var instance = $.data( this, 'gallery' );  if ( !instance ) {   logError( "cannot call methods on gallery prior to initialization; " +   "attempted to call method '" + options + "'" );   return;  }  if ( !$.isFunction( instance[options] ) || options.charAt(0) === "_" ) {   logError( "no such method '" + options + "' for gallery instance" );   return;  }  instance[ options ].apply( instance, args );  }); }  else {  this.each(function() {  var instance = $.data( this, 'gallery' );  if ( !instance ) {   $.data( this, 'gallery', new $.Gallery( options, this ) );  }  }); } return this; };})( jQuery );