求助：这个JS如何修改自动移动等待时间让其实现连续滚动。
(function($){$.extend($.easing,{
easeInSine: function (x, t, b, c, d) {
return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
}
});
$.fn.Xslider=function(settings){
settings=$.extend({},$.fn.Xslider.sn.defaults,settings);
this.each(function(){
var scrollobj=settings.scrollobj ? $(this).find(settings.scrollobj) : $(this).find("ul"),
viewedSize=settings.viewedSize || (settings.dir=="H" ? scrollobj.parent().width() : scrollobj.parent().height()),//length of the wrapper visible;
scrollunits=scrollobj.find("li"),//units to move;
unitlen=settings.unitlen || (settings.dir=="H" ? scrollunits.eq(0).outerWidth() : scrollunits.eq(0).outerHeight()),
unitdisplayed=settings.unitdisplayed,//units num displayed;
numtoMove=settings.numtoMove > unitdisplayed ? unitdisplayed : settings.numtoMove,
scrollobjSize=settings.scrollobjSize || scrollunits.length*unitlen,//length of the scrollobj;
offset=0,//max width to move;
offsetnow=0,//scrollobj now offset;
movelength=unitlen*numtoMove,
pos=settings.dir=="H" ? "left" : "top",
moving=false,//moving now?;
btnright=$(this).find("a.aright"),
btnleft=$(this).find("a.aleft");
btnright.unbind("click");
btnleft.unbind("click");
settings.dir=="H" ? scrollobj.css("left","0px") : scrollobj.css("top","0px");
if(scrollobjSize>viewedSize){
if(settings.loop=="cycle"){
btnleft.removeClass("agrayleft");
if(scrollunits.length<2*numtoMove+unitdisplayed-numtoMove){
scrollobj.find("li").clone().appendTo(scrollobj);
}
}else{
btnleft.addClass("agrayleft");
offset=scrollobjSize-viewedSize;
}
btnright.removeClass("agrayright");
}else{
btnleft.addClass("agrayleft");
btnright.addClass("agrayright");
}
btnleft.click(function(){
if($(this).is("[class*='agrayleft']")){return false;}
if(!moving){
moving=true;
if(settings.loop=="cycle"){
scrollobj.find("li:gt("+(scrollunits.length-numtoMove-1)+")").prependTo(scrollobj);
scrollobj.css(pos,"-"+movelength+"px");
$.fn.Xslider.sn.animate(scrollobj,0,settings.dir,settings.speed,function(){moving=false;});
}else{
offsetnow-=movelength;
if(offsetnow>unitlen*unitdisplayed-viewedSize){
$.fn.Xslider.sn.animate(scrollobj,-offsetnow,settings.dir,settings.speed,function(){moving=false;});
}else{
$.fn.Xslider.sn.animate(scrollobj,0,settings.dir,settings.speed,function(){moving=false;});
offsetnow=0;
$(this).addClass("agrayleft");
}
btnright.removeClass("agrayright");
}
}
return false;
});
btnright.click(function(){
if($(this).is("[class*='agrayright']")){return false;}
if(!moving){
moving=true;
if(settings.loop=="cycle"){
var callback=function(){
scrollobj.find("li:lt("+numtoMove+")").appendTo(scrollobj);
scrollobj.css(pos,"0px");
moving=false;
}
$.fn.Xslider.sn.animate(scrollobj,-movelength,settings.dir,settings.speed,callback);
}else{
offsetnow+=movelength;
if(offsetnow<offset-(unitlen*unitdisplayed-viewedSize)){
$.fn.Xslider.sn.animate(scrollobj,-offsetnow,settings.dir,settings.speed,function(){moving=false;});
}else{
$.fn.Xslider.sn.animate(scrollobj,-offset,settings.dir,settings.speed,function(){moving=false;});//滚动到最后一个位置;
offsetnow=offset;
$(this).addClass("agrayright");
}
btnleft.removeClass("agrayleft");
}
}
return false;
});
if(settings.autoscroll){
$.fn.Xslider.sn.autoscroll($(this),settings.autoscroll);
}
})
}
$.fn.Xslider.sn={
defaults:{
dir:"H",
speed:500
},
animate:function(obj,w,dir,speed,callback){
if(dir=="H"){
obj.animate({
left:w
},speed,"easeInSine",callback);
}else if(dir=="V"){
obj.animate({
top:w
},speed,"easeInSine",callback);
}
},
autoscroll:function(obj,time){
var vane="right";
function autoscrolling(){
if(vane=="right"){
if(!obj.find("a.agrayright").length){
obj.find("a.aright").trigger("click");
}else{
vane="left";
}
}
if(vane=="left"){
if(!obj.find("a.agrayleft").length){
obj.find("a.aleft").trigger("click");
}else{
vane="right";
}
}
}
var scrollTimmer=setInterval(autoscrolling,time);
obj.hover(function(){
clearInterval(scrollTimmer);
},function(){
scrollTimmer=setInterval(autoscrolling,time);
});
}
}
})(jQuery);
