https://www.nttdata-chugoku.co.jp/assets/js/lib/animation.gsap.js

1/*! ScrollMagic v2.0.5 | (c) 2015 Jan Paepke (@janpaepke) | license & info: http://scrollmagic.io */
2
3! function (e, n) {
4  "function" == typeof define && define.amd ? define(["ScrollMagic", "TweenMax", "TimelineMax"], n) : "object" == typeof exports ? (require("gsap"), n(require("scrollmagic"), TweenMax, TimelineMax)) : n(e.ScrollMagic || e.jQuery && e.jQuery.ScrollMagic, e.TweenMax || e.TweenLite, e.TimelineMax || e.TimelineLite)
5}(this, function (e, n, r) {
6  "use strict";
7  e.Scene.addOption("tweenChanges", !1, function (e) {
8    return !!e
9  }), e.Scene.extend(function () {
10    var e, t = this;
11    t.on("progress.plugin_gsap", function () {
12      i()
13    }), t.on("destroy.plugin_gsap", function (e) {
14      t.removeTween(e.reset)
15    });
16    var i = function () {
17      if (e) {
18        var n = t.progress(),
19          r = t.state();
20        e.repeat && -1 === e.repeat() ? "DURING" === r && e.paused() ? e.play() : "DURING" === r || e.paused() || e.pause() : n != e.progress() && (0 === t.duration() ? n > 0 ? e.play() : e.reverse() : t.tweenChanges() && e.tweenTo ? e.tweenTo(n * e.duration()) : e.progress(n).pause())
21      }
22    };
23    t.setTween = function (o, a, s) {
24      var u;
25      arguments.length > 1 && (arguments.length < 3 && (s = a, a = 1), o = n.to(o, a, s));
26      try {
27        u = r ? new r({
28          smoothChildTiming: !0
29        }).add(o) : o, u.pause()
30      } catch (e) {
31        return t
32      }
33      return e && t.removeTween(), e = u, o.repeat && -1 === o.repeat() && (e.repeat(-1), e.yoyo(o.yoyo())), i(), t
34    }, t.removeTween = function (n) {
35      return e && (n && e.progress(0).pause(), e.kill(), e = void 0), t
36    }
37  })
38});