Video: http://www.youtube.com/watch?v=d_dm6R4Rmwo
Code: https://gist.github.com/dermotbalson/5998716
This is unfinished (doesn’t allow for all the rules) but is really a proof of concept, that it is possible to make quite a high quality snooker game with decent shooting controls. You turn the iPad to aim.
I’ve blogged about creating this starting here: https://coolcodea.wordpress.com/2013/07/13/90-lets-play-pool/
(It started out as pool but it’s too hard making 3D pool balls because of the numbers and patterns (drawing them isn’t hard, but modelling all the spinning is. So I changed to snooker, a game with plain colour balls).