From:	"Sly" <sly AT aussie DOT net>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Lighting Techniques
Date:	5 Mar 1997 02:38:10 GMT
Organization:	Sly
Lines:	20
Message-ID:	<01bc290e$ccc6e8c0$8a081ecb@sly>
References:	<01bc2853$aa224320$4cddf4cc AT imag DOT net DOT imag DOT net> <YWclicAYDIHzEwuo AT talula DOT demon DOT co DOT uk>
NNTP-Posting-Host:	max0ppp08.bne.aussie.net
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Shawn Hargreaves <Shawn AT talula DOT demon DOT co DOT uk> wrote in article
<YWclicAYDIHzEwuo AT talula DOT demon DOT co DOT uk>...
[snip]
> 
> If you want to tint the sprites to some color other than black, pass a
> color other than "0, 0, 0" to the create_light_table() routine, eg.
> "255, 255, 255" to tint the images to white. If you want to tint them in
> both directions, you could (a bit more work) use the
> create_color_table() function to build a lookup table which will treat
> light level 128 as the original color, 0 as black, and 255 as white.
> 
[snip]

When I read this, I started thinking how this would be achieved (the lookup
table to treat light level 128 as the original colour, 0 as black, and 255
as white).  But I can't think of how it would be done.  Any tips?

-- 
TTFN
Sly (Steve)

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