$.fn.scroll3d.defaults={
speed:25,
radius:100,
width:200,
height:150,
direction:'left'
}下面附上效果的完整代码：
(function($) {
$.fn.scroll3d = function(options) {
var opts = $.extend({}, $.fn.scroll3d.defaults, options);
var $this = $(this);
var o = $.meta ? $.extend({}, opts, $(this).data()) : opts;
var radius = o.radius;
var timer = 0;
var xx = 0;
var speed = o.speed;
var dir = o.direction;
$(this).hide();
return this.each(function() {
var $img = $(this).find('img').css({'position': 'absolute'}), num = 0;
var imgnum = $img.length;
var holderwidth = $(this).width(),
holderheight = $(this).height();
$img.each(function(i) {
var imgsrc = $(this).attr("src");
$(this).data({
"index": i
});
$(this).load(function() {
++num;
if (num == imgnum) {
$this.show();
}
}).attr({
"src": imgsrc
});
var thisleft = -(o.radius) * Math.sin((360 / imgnum) * $(this).data("index") * (Math.PI * 2 / 360)) + (holderwidth / 2);
var thiszindex = 360 / imgnum * $(this).data("index") > 180 ? 360 / imgnum * $(this).data("index") - 360 : -360 / imgnum * $(this).data("index");
var thisopacity = 360 / imgnum * $(this).data("index") <= 180 ? (180 - 360 / imgnum * $(this).data("index")) / 180 * 1.2 :
(360 / imgnum * $(this).data("index") - 180) / 180 * 1.2;
$(this).attr({
"nowdeg": (360 / imgnum) * $(this).data("index")
});
$(this).css({
"left": thisleft - (o.width * thisopacity) / 2 + "px",
"top": (holderheight / 2) - o.width * (thisopacity + 1) / 4,
"z-index": thiszindex + 180,
"opacity": (thisopacity + 0.2) / 1.2,
"width": o.width * (thisopacity + 1) / 2,
"height": o.height * (thisopacity + 1) / 2
});
});
function scrollimg() {
$img.each(function() {
var thisdeg = $(this).attr('nowdeg');
var thisleft;
xx = thisdeg;
if (dir == 'left') {
thisleft = -(o.radius) * Math.sin(xx * (Math.PI * 2 / 360)) + (holderwidth / 2);
} else {
thisleft = (o.radius) * Math.sin(xx * (Math.PI * 2 / 360)) + (holderwidth / 2);
}
var thiszindex = xx > 180 ? xx - 360 : -xx;
var thisopacity = xx <= 180 ? (180 - xx) / 180 : ($(this).attr('nowdeg') - 180) / 180;
$(this).css({
"left": thisleft - (o.width * thisopacity) / 2 + "px",
"top": (holderheight / 2) - o.width * (thisopacity + 1) / 4,
"z-index": thiszindex + 180,
"opacity": (thisopacity + 0.2) / 1.2,
"width": o.width * (thisopacity + 1) / 2,
"height": o.height * (thisopacity + 1) / 2
});
xx++;
if (xx > 360) xx = 0;
$(this).attr({
"nowdeg": xx
});
});
};
var tt = setInterval(scrollimg, speed);
$img.hover(function() {
