StageXL for Dart

import 'dart:html' as html;
import 'dart:math' as math;
import 'package:stagexl/stagexl.dart';

ResourceManager resourceManager;
RenderLoop renderLoop;
Juggler juggler;
var canvas;
Stage stage;
Bitmap logo;

void main() {
  canvas = html.querySelector('#stage');
  stage = new Stage(canvas);
  renderLoop = new RenderLoop();
  juggler = renderLoop.juggler;
  renderLoop.addStage(stage);
  
  resourceManager = new ResourceManager()
  ..addBitmapData('logo', 'img/orig.png');
  
  resourceManager.load().then(onAssetsLoaded);
}

void onAssetsLoaded(var result) {
  logo = new Bitmap(resourceManager.getBitmapData('logo'));
  logo.pivotX = logo.width/2;
  logo.pivotY = logo.width/2;
  stage.addChild(logo);
  playAnimation();
}
void playAnimation() {
  logo
  ..x=0
  ..y=100
  ..scaleX=0.1
  ..scaleY=0.1
  ..alpha=0.1
  ..rotation=0;
  
  juggler.tween(logo, 6, TransitionFunction.easeOutBounce)
  ..animate.x.to(750)
  ..animate.scaleX.to(1)
  ..animate.scaleY.to(1)
  ..animate.alpha.to(1)
  ..animate.rotation.to((math.PI*2)*3)
  ..onComplete = () => juggler.delayCall(playAnimation, 3);
}