jquery视差图片滚动水平滑块特效代码

使用方法

$(document).ready(function(){
    var sliderIndex;
    initSlider();	
    $(".thumb-img").on("click",function(){
        sliderIndex = $(this).attr("id");
        runParallax(sliderIndex);
    });					
});

function runParallax(sliderIndex) {	
			
    var windowWidth = $(window).width();
    var slideWidth = $(".slide").width();
    var slideLeft = (windowWidth/2)-(slideWidth/2);
    var sliderImageCount = parseInt($(".slide").length); 
				
if(sliderIndex>0) {
    $(".parallax-bg").css("width",sliderImageCount*windowWidth);
    $( ".parallax-bg" ).animate({
    left: "-"+parseInt((sliderIndex-1)*slideWidth)
}, 1500 );
					
for(i=1,j=sliderIndex-1;(i<=sliderIndex&&j>=1);i++,j--) {
    $("#slide-"+i).animate({left:"-"+parseInt(j*windowWidth)}, 1500);
}

$("#slide-"+sliderIndex).animate({left:slideLeft}, 1500);
					for(i=++sliderIndex,counter=1;i<=sliderImageCount;i++,counter++){
    $("#slide-"+i).animate({left:parseInt(counter*windowWidth)}, 1500);
}

}
}

function initSlider() {
    var windowWidth = $(window).width();
    var slideWidth = $(".slide").width();
    var slideLeft = (windowWidth/2)-(slideWidth/2);
    var sliderImageCount = parseInt($(".slide").length); 

    for(i=1;i<=sliderImageCount;i++) {
        $("#slide-"+i).css({left:(i*windowWidth)});
    }
    $("#slide-1").css("left",slideLeft+"px");
}