smooth scroll effect

smooth scroll effect

$(document).ready(function() {
    

    //smooth scroll effect
    $(function(){

        var $window = $(window);		//Window object

        var scrollTime = 1.2;			//Scroll time
        var scrollDistance = 500;		//Distance. Use smaller value for shorter scroll and greater value for longer scroll

        $window.on("mousewheel DOMMouseScroll", function(event){

            event.preventDefault();

            var delta = event.originalEvent.wheelDelta/120 || -event.originalEvent.detail/3;
            var scrollTop = $window.scrollTop();
            var finalScroll = scrollTop - parseInt(delta*scrollDistance);

            TweenMax.to($window, scrollTime, {
                scrollTo : { y: finalScroll, autoKill:true },
                ease: Power1.easeOut,	//For more easing functions see https://api.greensock.com/js/com/greensock/easing/package-detail.html
                autoKill: true,
                overwrite: 5
            });

        });

    });

});