Originally posted by
Jim Sachs:
From the movement of the starfish, it will be obvious to the observer that it's on a plane in front of all the background material. I'm also looking into having a slight shadow below the starfish on the glass. Ordinarily this would indicate dirty glass, but if it is subtle enough, it just might work.
Wouldn't you need an algae eater in the tank to keep the glass crystal clear? A user preference to configure a pane of dirty glass would add realism.