A picture is worth a thousand words.
Dade wrote:Quite amazing, is it related to something gone wrong with bump mapping ?
No, actually that is a (tesselated) glass sphere
I don't remember all the details - the picture is quite old - but it was a combination of mistakes: wrong uv coordinates for normal interpolation, missing normalization and a wrong fresnel term.
Who is online
Users browsing this forum: No registered users and 11 guests