On Wed, 5 Apr 2006, Peter Forde wrote:
Also does anyone know how to do the screen effect, similar to add....?
It's a multiply in the complement colorspace.
You can see it as an example presented in the GridFlow paper presented at PdConvention04 and Piksel05:
http://artengine.ca/matju/graz/GridFlow_PdConvention04.pdf
It's on page 6.
_ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju | Freelance Digital Arts Engineer, Montréal QC Canada