Implement a Cool 3D focus Animation Based on Jquery and html5 _ jquery

This article mainly describes how to implement a Cool 3D focus Animation Based on Jquery and html5. The images in the focus graph use the characteristics of CSS3 to achieve image skew, in this way, the image can have a 3D visual effect. If you are interested, refer to this HTML5 focus chart. You can not only manually click the button to switch the image, but also automatically switch the image, it is quite convenient to use. If you need to display product images on your website, this focus chart plug-in is perfect for you.

Download demo source code online

HTML code

  
  
 
  
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CSS code

.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 p{ 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 p{ 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;}

JavaScript code

/** * 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 );

I hope this article will help you learn about javascript programming.