I didn't realise it was a continuous range of heights, 3 set heights would definitely be better as the holes are at set heights. Fantastic game and music, though. Really demonstrates how capable WebGL actually is.
I actually awoke one night about a week ago, fretting about SQL injections in the site. Upon checking my code my fears were confirmed. I did test the exploit on the live site but didn't actually access the database, just confirmed that it worked.
Have you ever heard of an organisation taking action against a former developer for reporting something like that?
If I had a builder build me a house, and he came round a year later to tell me that my walls weren't strong and anyone could just break them down I would be pretty upset.