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基于Jquery和html5實(shí)現(xiàn)炫酷的3D焦點(diǎn)圖動(dòng)畫

來源：易賢網(wǎng) 閱讀：970 次日期：2016-08-03 16:33:28

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HTML代碼

<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>

</nav>

</section>

CSS代碼

.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;

}

JavaScript代碼

/**

* jquery.gallery.js

* 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 );

希望本文所述對(duì)大家學(xué)習(xí)javascript程序設(shè)計(jì)有所幫助。

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