content: sub main()
      sceneNode = createObject("roSGNode", "Scene")
      print "scene node type:" type(sceneNode) ' => Node
      print "scene node subtype:" sceneNode.subtype() ' => Scene
      print "scene node backs exit scene:" sceneNode.backExitsScene ' => true
  
      sceneNode.backgroundUri = "/images/arrow.png"
      print "scene node background uri:" sceneNode.backgroundUri
  
      sceneNode.backgroundColor = "0xEB1010FF"
      print "scene node background color:" sceneNode.backgroundColor
  
      extendedSceneNode = createObject("roSGNode", "ExtendedScene")
      print "extended scene node type:" type(extendedSceneNode) ' => Node
      print "extended scene node subtype:" extendedSceneNode.subtype() ' => ExtendedScene
      print "extended scene node backs exit scene:" extendedSceneNode.backExitsScene ' => true
  
      extendedSceneNode.backgroundUri = "/images/arrow.png"
      print "extended scene node background uri:" extendedSceneNode.backgroundUri
  
      extendedSceneNode.backgroundColor = "0xEB1010FF"
      print "extended scene node background color:" extendedSceneNode.backgroundColor
  
  end sub
  