From:	Shawn Hargreaves <Shawn AT talula DOT demon DOT co DOT uk>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Allegro : 3D Problems
Date:	Thu, 23 Apr 1998 19:47:44 +0100
Organization:	None
Message-ID:	<zVZbPCAQz4P1Ewzl@talula.demon.co.uk>
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Steve Patton writes:
>get_camera_matrix_f( &matrix, 0, 0, -10, 0, 0, 0,
>                                 0, 1, 0, 32, 1);

You are passing a zero front vector for your camera. Allegro doesn't
usually care what length this vector is, so there is no need to
normalise it, but zero is obviously a bad thing because it makes it
impossible to tell which direction the camera should be facing...


--
Shawn Hargreaves - shawn AT talula DOT demon DOT co DOT uk - http://www.talula.demon.co.uk/
"Pigs use it for a tambourine" - Frank Zappa

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