raycasting

[egg82]

you want something hard? What about raycasting? What program would I use for that, and how would I do it?:D

[alemcherry]

Raycasting? hmm.. So you want to provide a tutorial?
I am no games expert.. dont know how many of the webmasters would be intersted!

[felgall]

If you do a search for raycasting on Google there are several tutorials on the first page of the results.