master-timeline-scrolling.js

var scrubpoint = 0;
var isScrolling = null;
$(document).on('mousewheel', function (e) {
	e.preventDefault();
	if ( e.deltaY != 0 && Math.abs(e.deltaY) > 5 ) {
		if ( !isScrolling ) {
			$('video').each( function (i, ele) { ele.pause() } );
		}
		master.pause();
		scrubpoint = ( e.deltaY / Math.abs(e.deltaY) );
		if ( !!isScrolling ) {
			clearTimeout( isScrolling );
			isScrolling = null;
		}
		isScrolling = setTimeout( function () {
			isScrolling = null;
			master.play();
			scrubpoint = 0;
		}, 500 );
	}
	//console.log(e);
});
TweenMax.ticker.addEventListener('tick', function () {
	var scrollmod = scrubpoint / -10;
	if ( isScrolling && master.time() + scrollmod > 0.01 && master.time() + scrollmod < master.duration() - 0.01 ) {
		master.seek( master.time() + scrollmod );
	}
});