Path: chuka.playstation.co.uk!news
From: "pal" <pal_news@hotmail.com>
Newsgroups: scee.yaroze.freetalk.english
Subject: Transparency
Date: 17 Jul 2001 10:46:00 GMT
Organization: PlayStation Net Yaroze (SCEE)
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Message-ID: <01c10ead$48608260$7b0ae4d5@pal-s-omnibook>
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I'm trying to make a fade out effect.

I've been trying to use a big transparent GsBOXF that I repeatedly draw
over the picture. I tried various "semi-transparency rates" in the
attributes; "0.5 * back + 0.5 * forward" was the best choice, but it is not
good enough.

It appears that about 5 iterations of drawing a black transparent GsBOXF
suffice to completely blacken a white pixel. That means that my fade out
takes only 1/10 second to complete... which is far too fast. If I do the
thing just every n frames, it gets ugly (too much difference from one frame
to the other).

I tried various colors for my GsBOXF, black seemed to be the best.

Have I missed something? Has anyone any suggestion for a better way of
achieving a fade out?



pal