EnigmA Amiga Run 1995 November/EnigmA AMIGA RUN 02 (1995)(G.R. Edizioni)(IT)[!][issue 1995-11][Skylink CD].iso/earcd/docs/lwml9505.lha/LWML9505.TXT/[e-mail]_Fri May 19 23:16:51 1995.msg

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Date: Sat, 20 May 1995 02:19:40 -0400
Subject: Re: Transp Edge w/Sequence
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On Sat, 20 May 1995, Bunnell, John M. wrote:

> What I want to do is make four
> irregular polys and map a sequence on each one on the same screen. No
> problem so far. The effect I am looking for is feathered edges on each of
> the polys so that the image fades in from black at the edges to a clear
> image on the majority of the poly.


Have you tried actually painting a transparency map that would fit onto
the polygon and directly control how transparent the edges were?  Like,
if you're using rectangular shaped polys, then paint small white-to-black
gradients on each side of the image, with all black in the center....then
if you transparency map this image onto the polygon surfaces, you'll get
rectangular shapes with transparent edges.  You said you wanted black
edges, so instead of using this image as a transparency map, use it as a
diffusity map...should do the trick!

Sorry I didn't see your message on the newsgroup...my net provider wipes
out newsgroup messages that are more than 2 days old, so I miss a lot if
I don't read the newsgroup every day, which I don't.  =)

                                      -David Warner
                                       Event Horizon Graphics





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