이것은 또 다른 아주 좋은 jQuery 포커스 맵 애니메이션입니다. 그 특징은 전체 포커스 맵이 기본적으로 전체 화면으로 표시된다는 것인데, 이미지의 기울기도 전체 포커스 맵에 3D 시각적 효과를 줍니다. 초점 맵 사진 전환은 매우 부드럽고 실용적입니다.
HTML 코드:
<div class="wrapper"> </div> <div id="pxs_container" class="pxs_container"> <div class="pxs_bg"> <div class="pxs_bg1"></div> <div class="pxs_bg2"></div> <div class="pxs_bg3"></div> </div> <div class="pxs_loading">Loading images...</div> <div class="pxs_slider_wrapper"> <ul class="pxs_slider"> <li><img src="images/1.jpg" alt="First Image" /></li> <li><img src="images/2.jpg" alt="Second Image" /></li> <li><img src="images/3.jpg" alt="Third Image" /></li> <li><img src="images/4.jpg" alt="Forth Image" /></li> <li><img src="images/5.jpg" alt="Fifth Image" /></li> <li><img src="images/6.jpg" alt="Sixth Image" /></li> </ul> <div class="pxs_navigation"> <span class="pxs_next"></span> <span class="pxs_prev"></span> </div> <ul class="pxs_thumbnails"> <li><img src="images/thumbs/1.jpg" alt="First Image" /></li> <li><img src="images/thumbs/2.jpg" alt="Second Image" /></li> <li><img src="images/thumbs/3.jpg" alt="Third Image" /></li> <li><img src="images/thumbs/4.jpg" alt="Forth Image" /></li> <li><img src="images/thumbs/5.jpg" alt="Fifth Image" /></li> <li><img src="images/thumbs/6.jpg" alt="Sixth Image" /></li> </ul> </div> </div>
자바스크립트 코드
(function($) {
$.fn.parallaxSlider = function(options) {
var opts = $.extend({}, $.fn.parallaxSlider.defaults, options);
return this.each(function() {
var $pxs_container = $(this),
o = $.meta ? $.extend({}, opts, $pxs_container.data()) : opts;
//the main slider
var $pxs_slider = $('.pxs_slider',$pxs_container),
//the elements in the slider
$elems = $pxs_slider.children(),
//total number of elements
total_elems = $elems.length,
//the navigation buttons
$pxs_next = $('.pxs_next',$pxs_container),
$pxs_prev = $('.pxs_prev',$pxs_container),
//the bg images
$pxs_bg1 = $('.pxs_bg1',$pxs_container),
$pxs_bg2 = $('.pxs_bg2',$pxs_container),
$pxs_bg3 = $('.pxs_bg3',$pxs_container),
//current image
current = 0,
//the thumbs container
$pxs_thumbnails = $('.pxs_thumbnails',$pxs_container),
//the thumbs
$thumbs = $pxs_thumbnails.children(),
//the interval for the autoplay mode
slideshow,
//the loading image
$pxs_loading = $('.pxs_loading',$pxs_container),
$pxs_slider_wrapper = $('.pxs_slider_wrapper',$pxs_container);
//first preload all the images
var loaded = 0,
$images = $pxs_slider_wrapper.find('img');
$images.each(function(){
var $img = $(this);
$('<img/>').load(function(){
++loaded;
if(loaded == total_elems*2){
$pxs_loading.hide();
$pxs_slider_wrapper.show();
//one images width (assuming all images have the same sizes)
var one_image_w = $pxs_slider.find('img:first').width();
/*
need to set width of the slider,
of each one of its elements, and of the
navigation buttons
*/
setWidths($pxs_slider,
$elems,
total_elems,
$pxs_bg1,
$pxs_bg2,
$pxs_bg3,
one_image_w,
$pxs_next,
$pxs_prev);
/*
set the width of the thumbs
and spread them evenly
*/
$pxs_thumbnails.css({
'width' : one_image_w + 'px',
'margin-left' : -one_image_w/2 + 'px'
});
var spaces = one_image_w/(total_elems+1);
$thumbs.each(function(i){
var $this = $(this);
var left = spaces*(i+1) - $this.width()/2;
$this.css('left',left+'px');
if(o.thumbRotation){
var angle = Math.floor(Math.random()*41)-20;
$this.css({
'-moz-transform' : 'rotate('+ angle +'deg)',
'-webkit-transform' : 'rotate('+ angle +'deg)',
'transform' : 'rotate('+ angle +'deg)'
});
}
//hovering the thumbs animates them up and down
$this.bind('mouseenter',function(){
$(this).stop().animate({top:'-10px'},100);
}).bind('mouseleave',function(){
$(this).stop().animate({top:'0px'},100);
});
});
//make the first thumb be selected
highlight($thumbs.eq(0));
//slide when clicking the navigation buttons
$pxs_next.bind('click',function(){
++current;
if(current >= total_elems)
if(o.circular)
current = 0;
else{
--current;
return false;
}
highlight($thumbs.eq(current));
slide(current,
$pxs_slider,
$pxs_bg3,
$pxs_bg2,
$pxs_bg1,
o.speed,
o.easing,
o.easingBg);
});
$pxs_prev.bind('click',function(){
--current;
if(current < 0)
if(o.circular)
current = total_elems - 1;
else{
++current;
return false;
}
highlight($thumbs.eq(current));
slide(current,
$pxs_slider,
$pxs_bg3,
$pxs_bg2,
$pxs_bg1,
o.speed,
o.easing,
o.easingBg);
});
/*
clicking a thumb will slide to the respective image
*/
$thumbs.bind('click',function(){
var $thumb = $(this);
highlight($thumb);
//if autoplay interrupt when user clicks
if(o.auto)
clearInterval(slideshow);
current = $thumb.index();
slide(current,
$pxs_slider,
$pxs_bg3,
$pxs_bg2,
$pxs_bg1,
o.speed,
o.easing,
o.easingBg);
});
/*
activate the autoplay mode if
that option was specified
*/
if(o.auto != 0){
o.circular = true;
slideshow = setInterval(function(){
$pxs_next.trigger('click');
},o.auto);
}
/*
when resizing the window,
we need to recalculate the widths of the
slider elements, based on the new windows width.
we need to slide again to the current one,
since the left of the slider is no longer correct
*/
$(window).resize(function(){
w_w = $(window).width();
setWidths($pxs_slider,$elems,total_elems,$pxs_bg1,$pxs_bg2,$pxs_bg3,one_image_w,$pxs_next,$pxs_prev);
slide(current,
$pxs_slider,
$pxs_bg3,
$pxs_bg2,
$pxs_bg1,
1,
o.easing,
o.easingBg);
});
}
}).error(function(){
alert('here')
}).attr('src',$img.attr('src'));
});
});
};
//the current windows width
var w_w = $(window).width();
var slide = function(current,
$pxs_slider,
$pxs_bg3,
$pxs_bg2,
$pxs_bg1,
speed,
easing,
easingBg){
var slide_to = parseInt(-w_w * current);
$pxs_slider.stop().animate({
left : slide_to + 'px'
},speed, easing);
$pxs_bg3.stop().animate({
left : slide_to/2 + 'px'
},speed, easingBg);
$pxs_bg2.stop().animate({
left : slide_to/4 + 'px'
},speed, easingBg);
$pxs_bg1.stop().animate({
left : slide_to/8 + 'px'
},speed, easingBg);
}
var highlight = function($elem){
$elem.siblings().removeClass('selected');
$elem.addClass('selected');
}
var setWidths = function($pxs_slider,
$elems,
total_elems,
$pxs_bg1,
$pxs_bg2,
$pxs_bg3,
one_image_w,
$pxs_next,
$pxs_prev){
/*
the width of the slider is the windows width
times the total number of elements in the slider
*/
var pxs_slider_w = w_w * total_elems;
$pxs_slider.width(pxs_slider_w + 'px');
//each element will have a width = windows width
$elems.width(w_w + 'px');
/*
we also set the width of each bg image div.
The value is the same calculated for the pxs_slider
*/
$pxs_bg1.width(pxs_slider_w + 'px');
$pxs_bg2.width(pxs_slider_w + 'px');
$pxs_bg3.width(pxs_slider_w + 'px');
/*
both the right and left of the
navigation next and previous buttons will be:
windowWidth/2 - imgWidth/2 + some margin (not to touch the image borders)
*/
var position_nav = w_w/2 - one_image_w/2 + 3;
$pxs_next.css('right', position_nav + 'px');
$pxs_prev.css('left', position_nav + 'px');
}
$.fn.parallaxSlider.defaults = {
auto : 0, //how many seconds to periodically slide the content.
//If set to 0 then autoplay is turned off.
speed : 1000,//speed of each slide animation
easing : 'jswing',//easing effect for the slide animation
easingBg : 'jswing',//easing effect for the background animation
circular : true,//circular slider
thumbRotation : true//the thumbs will be randomly rotated
};
//easeInOutExpo,easeInBack
})(jQuery);
플러그인의 JavaScript 코드 호출
$(function() {
var $pxs_container = $('#pxs_container');
$pxs_container.parallaxSlider();
});
위 내용은 이 글의 전체 내용입니다. jquery 프로그래밍을 배우는 모든 분들께 도움이 되기를 바랍니다.
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