Pixi filters

A bug with pixi-extra-filters

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/pixi.js/4.3.4/pixi.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.19.1/TweenMax.min.js"></script>

JavaScript

/** This function is called in the bottom of code, after pixi-extra-filters code. */
function init() {
  var Tile = function () {
    PIXI.Container.call(this);
    this.selected = false;

    var shape = new PIXI.Graphics();
    shape.beginFill(0xff0000);
    shape.drawCircle(0, 0, 50);
    shape.endFill();
    this.addChild(shape);
    this.interactive = true;
    this.on("pointertap", function () {
      if (this.selected) {
        this.filters = null;
        TweenLite.to(this.scale, 0.1, { x: 1, y: 1 });
      } else {
      	var f = new PIXI.filters.OutlineFilter(2, 0xFFFFFF);
        f.padding = 20;
        this.filters = [f];
        TweenLite.to(this.scale, 0.1, { x: 1.2, y: 1.2 });
      }
      this.selected = !this.selected;
    });
  }
  Tile.prototype = Object.create(PIXI.Container.prototype);
  Tile.prototype.constructor = Tile;

  var app = new PIXI.Application(200, 200);
  document.body.appendChild(app.view);

  var tile1 = new Tile();

  tile1.x = 100; tile1.y = 100;
  app.stage.addChild(tile1);
}

/*
 * It's just pixi-extra-filters (https://github.com/pixijs/pixi-extra-filters)
*/
!function(o){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=o();else if("function"==typeof define&&define.amd)define([],o);else{var e;e="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,(e.pixiExtraFilters||(e.pixiExtraFilters={})).min=o()}}(function(){return function o(e,r,n){function t(l,a){if(!r[l]){if(!e[l]){var u="function"==typeof require&&require;if(!a&&u)return u(l,!0);if(i)return i(l,!0);var c=new Error("Cannot find module '"+l+"'");throw c.code="MODULE_NOT_FOUND",c}var s=r[l]={exports:{}};e[l][0].call(s.exports,function(o){var r=e[l][1][o];return t(r?r:o)},s,s.exports,o,e,r,n)}return r[l].exports}for(var i="function"==typeof require&&require,l=0;l<n.length;l++)t(n[l]);return t}({1:[function(o,e,r){function n(){PIXI.Filter.call(this,"#define GLSLIFY 1\nattribute vec2...