Newsgroups: comp.os.msdos.djgpp
Date: Fri, 10 Jul 1998 14:53:46 -0300 (ADT)
From: Endlisnis <s257m AT unb DOT ca>
To: Ronald Patiņo G <logan AT cue DOT satnet DOT net>
cc: "djgpp AT delorie DOT com" <djgpp AT delorie DOT com>
Subject: Re: About ray casting and look up tables
In-Reply-To: <35A62FBB.AF821E92@cue.satnet.net>
Message-ID: <Pine.SOL.3.96.980710144853.7738A-100000@sol.sun.csd.unb.ca>
References: <35A62FBB DOT AF821E92 AT cue DOT satnet DOT net>
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On Fri, 10 Jul 1998, Ronald Patiņo G wrote:
->    ang_rad = ang * TWOPIDIV360 ;
->insted of the one i'm using
->
->and why he says that 1920 is  equivalent to 360
	You are setting up a table of 360 evenly distributed values for
angles (between 0 & 360).  He is setting up a table of 1920 evenly
distributed values for angles (between 0 & 360).  All that means is that
to look up in your table you use table[x] for some integer 'x', but he
uses table[x/.1875].

	Endlisnis
[I have a pyramid of wingyness]