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Article #723

Re: Macintosh PlayMation experience

#723
From: Ken Baer
Date: Wed, 27 Jan 1993 18:01
46 lines
2995 bytes
In article <1993Jan26.034434.6136@netcom.com> mnemonic@netcom.com (Rev Lebaredian) writes:
>baer@qiclab.scn.rain.com (Ken Baer) writes:
>: In article <1993Jan24.140201.21965@netcom.com> mnemonic@netcom.com (Rev Lebaredian) writes:
>: >  The reason the rendere is so slow is because it does not take advantage
>: >of a math co-processor(essential for 3D animation).
>: 
>: Render DOES take advantage of the Math Chip, in fact all of Playmation uses
>: and requires it (says so on the box).
>:
>
>  Hmmm... I guess I was wrong, cause I got the impression from an article
>on the MAC version of it that only the 24bit rendere required a math
>coprocessor, and assumed that the reason why it ran so dog-slow on an 
>amiga version I saw was because it didn't use the math-co.  Do you know
>if all of the versions of playmation require a math-co?
> 

All versions of Playmation (and all release versions of the older 
Journeyman) require a math chip, which most 3D animation people already
have.  For the record, way back when I had a non-math chip version 
for my Amiga 2000 that I was helping to test (when it was in early 
Alpha, this was during 1989).  Believe me, you want it to use the
math chip.  Playmation will run on the following: Amiga 2500,3000 and
above with mathchip, PC 386/486 with mathchip, and MacII and Quadras
with mathchip.

One of the reasons some people say that the renderer runs slow has more
to do with what they test it with.  We keep seeing people raytrace a
scene with all objects reflecting with shadows in Playmation and compare
it to a simple polygon scene without reflects and shadows on a scanline
renderer, and declare Playmation is slow.  It's all relative.  Luckily
for everyone, 486's keep dropping in price, and they make great render
engines, and all our objects are portable between platforms.  There will
also be support for the YARC board on Mac Render24.  I'll leave you with
the following quote.

"The creators of Playmation chose to use raytracing.  Obviously, the price
paid for this decision is speed.  Still, Playmation represents one of the
fastest PC-based raytracers I have seen."  - Computer Graphics World, Jan '93



-- 
 \_       -Ken Baer.  Programmer/Animator, Hash Enterprises
<[_]   Usenet: baer@qiclab.UUCP / AppleLink: KENBAER / Office: (206)573-9427
 =# \,  "We're not hitchhiking anymore, we're RIDING!" - Ren Hoak.   
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From: baer@qiclab.scn.rain.com (Ken Baer)
Newsgroups: comp.graphics.animation
Subject: Re: Macintosh PlayMation experience
Summary: requires a math chip
Message-ID: <1993Jan27.180111.28040@qiclab.scn.rain.com>
Date: 27 Jan 93 18:01:11 GMT
Article-I.D.: qiclab.1993Jan27.180111.28040
References: <1993Jan25.181857.13400@qiclab.scn.rain.com> <1993Jan26.034434.6136@netcom.com>
Organization: SCN Research/Qic Laboratories of Tigard, Oregon.
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