基于jquery fly插件实现加入购物车抛物线动画效果

<script src="jquery.js"></script> 
<script src="jquery.fly.min.js"></script>

<div class="container">
<div class="demo clearfix">
<div class="per">
<img src="images/1.jpg" width="180" height="240" alt="图片二"/>
<div class="title">aaa</div>
<a href="javascript:void(0);" class="button orange addcart">加入购物车</a>
</div>
<div class="per">
<img src="images/2.jpg" width="180" height="240" alt="图片二"/>
<div class="title">bbb</div>
<a href="javascript:void(0);" class="button orange addcart">加入购物车</a>
</div>
</div>
</div>
<div class="cart-sidebar">
<div class="cart">
<i id="icon-cart"></i>
<span>购物车</span>
</div>
</div>
<div id="tip">成功加入购物车！</div>
<script>
$(function() { 
var offset = $("#icon-cart").offset(); 
$(".addcart").click(function(event) { 
var img = $(this).parent().children('img').attr('src'); //获取当前点击图片链接 
var flyer = $('<img class="flyer-img" src="' + img + '">'); //抛物体对象 
flyer.fly({ 
start: { 
left: event.pageX,//抛物体起点横坐标 
top: event.pageY //抛物体起点纵坐标 
}, 
end: { 
left: offset.left + 10,//抛物体终点横坐标 
top: offset.top + 10, //抛物体终点纵坐标 
}, 
onEnd: function() { 
$("#tip").show().animate({width: '200px'},300).fadeOut(500);////成功加入购物车动画效果 
this.destory(); //销毁抛物体 
} 
}); 
}); 
});
<script>

<script src="requestAnimationFrame.js"></script>