Check out “Clip” part of following page:
Example:
http://codepen.io/GreenSock/pen/17b1ea88b3066d2ee4de90cc65fc862e
Sample Code:
var tl = new TimelineMax({'onComplete': function(){
$this.css('z-index', 0);
}});
var p = {
top: 0,
right: (visual_width + offset) + 'px',
bottom: $(window).height() + 'px',
left: offset + 'px'
}
tl.to($this, duration, {'clip': 'rect(' +
p.top + ', ' + p.right + ', ' + p.bottom + ', ' + p.left +
')'});