From:	Erik Max Francis <max AT alcyone DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: About ray casting and look up tables
Date:	Fri, 10 Jul 1998 11:26:13 -0700
Organization:	Alcyone Systems
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Message-ID:	<35A65CC5.31645627@alcyone.com>
References:	<35A62FBB DOT AF821E92 AT cue DOT satnet DOT net>
NNTP-Posting-Host:	charmaine.alcyone.com
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Ronald Patixo G wrote:

> I don't understand why he uses this formula
> 
>     ang_rad = ang * TWOPIDIV360 ;
> insted of the one i'm using
> 
> and why he says that 1920 is  equivalent to 360

It looks like he's simply using a different degree unit.  Instead of
using units of 1 deg, like you are, he wants higher resolution and is
using units of 360/1920 deg = 0.1875 deg.

-- 
         Erik Max Francis, &tSftDotIotE / mailto:max AT alcyone DOT com
                       Alcyone Systems / http://www.alcyone.com/max/
  San Jose, California, United States / icbm:+37.20.07/-121.53.38
                                     \
           I put away my nine, fool / 'cause I'm colorblind.
                                   / Ice Cube

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