public universe(){
        super(SimpleUniverse.getPreferredConfiguration());
        SimpleUniverse Universe = new SimpleUniverse(this);
        BranchGroup scene   = new BranchGroup();
      
       BoundingSphere bounds = new BoundingSphere(new Point3d(0.0f,0.0f,0.0f),100.0);
       TransformGroup transformGroup = new TransformGroup();
       transformGroup.setCapability(transformGroup.ALLOW_TRANSFORM_WRITE);
       transformGroup.setCapability(transformGroup.ALLOW_TRANSFORM_READ);
    
       Appearance appearance = new Appearance();
       Material   material = new Material();
       appearance.setMaterial(material);
    
      ViewingPlatform viewingPlatform = Universe.getViewingPlatform();
      viewingPlatform.setNominalViewingTransform();
    
      Box shape = new Box(0.3f, 0.03f, 0.08f, Box.GENERATE_NORMALS | Box.GENERATE_TEXTURE_COORDS,appearance);
   
      Alpha alpha = new Alpha();
      alpha.setIncreasingAlphaDuration(5000);

      Transform3D transform3D = new Transform3D();
      transform3D.rotX(0);

      RotationInterpolator spinner = new RotationInterpolator(alpha, transformGroup);
      spinner.setAxisOfRotation(transform3D);
      spinner.setSchedulingBounds(bounds);

      transformGroup.addChild(spinner);   
      transformGroup.addChild(shape);

      lightColor = new Color3f();
      directionLight = new DirectionalLight();
      lightColor = new Color3f();
      lightColor.set(Color.yellow);     
      directionLight.setColor(lightColor);
      directionLight.setInfluencingBounds(bounds);     

     scene.addChild(directionLight);
     scene.addChild(transformGroup);

     Universe.addBranchGraph(scene);
    }