Path: chuka.playstation.co.uk!news
From: sceetech <ps_yaroze@interactive.sony.com>
Newsgroups: scee.yaroze.freetalk.english
Subject: Re: Games Development
Date: Tue, 01 Apr 1997 10:02:08 +0100
Organization: SCEE
Lines: 46
Message-ID: <3340CF10.7F8B@interactive.sony.com>
References: <333BCFFB.3A69@jprice.force9.net> <333C9A81.6B18@dial.pipex.com> <9703301415.NA103048@pyrotek.demon.co.uk>
Reply-To: ps_yaroze@interactive.sony.com
NNTP-Posting-Host: 194.203.13.10
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Mailer: Mozilla 3.01 (Win95; I)

Jason G Doig wrote:
> 
> The major stumbling block I hit within a few minutes of opening the
> manuals is the complete inability to get the damned thing just to
> draw triangles.  Not 3d meshes, but just triangles.  I had an idea
> for an engine that requires me to be able to throw large amounts of
> triangles about, and the PSX should really be ideal.  However, the
> Yaroze seems to restrict me to only using the style of engines that
> sony have decided we should use, i.e. 3d meshes rendered with
> perspective through their library.
> 
> Bang goes the creativity that I thought was the whole point of this
> excercise.
> 
> I can understand the libs etc. being heavily cut down (or rather
> missing entirely), but I think at the very least there should be
> some support for throwing polygons straight at the renderer, and
> I just can't see how with the libs we've got.
> 
> Looks easy in the full PSX devkit ref-manual (I looked it up at
> work after I got the Yaroze).
> 
> Anyone got a solution to this, or does my yaroze get to gather dust
> until they upgrade the libraries or I conform?
> 
> Cheers,
> 
> Jase.
> 
> --
> main(){int e=4;char a[4],b[]="|@O N@N @A@ |O ",*c=a,   /* Compilable .sig */
> *d;while(e--){d=b;while(*d){while(*c++=*d++-32);while   /*  J.G.D 19/2/96  */
> (--c!=a)printf("%16s",a);printf("\n");}if(e)printf("\n\
> \
>   Jase@Pyrotek.demon.co.uk - http://www.pyrotek.demon.co.uk         \n\n");}}


It is possible to do triangles, if a little complicated. What has to be
done is a single triangle declared as a TMD. If you look in the 'clone'
demo the walls, floor, roof, monsters, etc are all created as quads at
run time. In a similar manner triangles can be declared.

Its a bit of a complicated solution to something so simple, but its the
only way round the problem at present.

Stuart