pixi_game.js

var app = new PIXI.Application(800, 600, { antialias: true });

document.body.appendChild(app.view);

var spavn = function(){
   
   var g = new PIXI.Graphics();

   g.beginFill(0xFF3300 * Math.random());
   g.lineStyle(2, 0xFFFFFF * Math.random(), 1);
   g.drawRect(Math.random() * 700, Math.random() * 500, 100, 100);
   g.cacheAsBitmap = true;
   app.stage.addChild(g);
   
   setTimeout(spavn , Math.random()*1000);

   setTimeout(function() {
    g.destroy();
   }, 3000);
}

setTimeout(spavn , Math.random()*1000)

var st = null;
setTimeout(function(){
  var pixi_gstats = new GStats.PIXIHooks(app);
  st = new GStats.StatsJSAdapter(pixi_gstats);

  document.body.appendChild(st.stats.dom || st.stats.domElement);
}, 1000);

// let's create a moving shape
var thing = new PIXI.Graphics();
app.stage.addChild(thing);
thing.x = 800/2;
thing.y = 600/2;

var count = 0;

app.ticker.add(function() {

    count += 0.1;

    thing.clear();
    thing.lineStyle(10, 0xff0000, 1);
    thing.beginFill(0xffFF00, 0.5);

    thing.moveTo(-120 + Math.sin(count) * 20, -100 + Math.cos(count)* 20);
    thing.lineTo( 120 + Math.cos(count) * 20, -100 + Math.sin(count)* 20);
    thing.lineTo( 120 + Math.sin(count) * 20, 100 + Math.cos(count)* 20);
    thing.lineTo( -120 + Math.cos(count)* 20, 100 + Math.sin(count)* 20);
    thing.lineTo( -120 + Math.sin(count) * 20, -100 + Math.cos(count)* 20);

    thing.rotation = count * 0.1;

    if(st){
      st.update();
    }
});