$('.window').windows({
snapping: true,
snapSpeed: 500,
snapInterval: 1100,
onScroll: function(scrollPos){
// scrollPos:Number
},
onSnapComplete: function($el){
// after window ($el) snaps into place
},
onWindowEnter: function($el){
// when new window ($el) enters viewport
}
});
// returns ratio 0-1
$('.window:eq(0)').ratioVisible();
// returns boolean of whether or not is visible on screen
$('.window:eq(0)').isOnScreen();
// get most visible window
$('.window').getCurrentWindow();