Hmmm, that doesn't help. But measured the rectangle where the stones show up:
http://fpolitz.de/pub/curlingprob2.jpg Outside that rectangle the stones begin to vanish. *spooky* ;)
Hmmm, that doesn't help. But measured the rectangle where the stones show up:
http://fpolitz.de/pub/curlingprob2.jpg Outside that rectangle the stones begin to vanish. *spooky* ;)