This issue of the iPhone / iPod Touch programmig tips series focuses on some aspects of VFP assembly programming. My friend Noel Llopis brought an oversight in the VFP math library to my attention, that I still need to fix. So I start with the description of the problem here ...

To make my collection of normal map techniques more complete on this blog I also have to mention a special normal mapping technique that Insomniac's Mike Acton brought to my attention a long time ago (I wasn't sure if I am allowed to publish it ... but now they have ...

I recently bumped into a post by Roderic Vicaire on the www.gamedev.net forums. It is here. Obviously there is no generic solution to handle all scene geometry in the same way but depending on the game his naming conventions make a lot of sense (read "Scenegraphs say no" in Tom ...