[Fluxus] sphere mapping

[gabor papp]

hi,

i was searching for a way to do environment mapping in fluxus, and found 
that it is done by calculating the texture coordinates manually 
(http://www.flickr.com/photos/7905273@N07/1789111615/).

i quickly added a way to do it from hardware. let me know what you think.
http://www.flickr.com/photos/gaborpapp/3744926221/
http://www.flickr.com/photos/gaborpapp/3745723018/

best,
gabor