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- Newsgroups: sci.virtual-worlds
- Path: sparky!uunet!spool.mu.edu!sdd.hp.com!saimiri.primate.wisc.edu!usenet.coe.montana.edu!news.u.washington.edu!stein.u.washington.edu!hlab
- From: dream!Ray_Hines@bikini.cis.ufl.edu (Ray Hines)
- Subject: Re: INFO?: VR directional sensor functionality
- Message-ID: <1992Dec21.095559.29156@u.washington.edu>
- Originator: hlab@stein.u.washington.edu
- Sender: news@u.washington.edu (USENET News System)
- Organization: DreamStates BBS & CyberNet HQ in G'ville, FL 1-904-331-4317
- Date: Mon, 21 Dec 1992 06:20:52 GMT
- Approved: cyberoid@milton.u.washington.edu
- Lines: 37
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- In a message dated Sun 20 Dec 92 6:33, Akossowsky@turbo.kean.edu (andy
- Kos wrote:
-
- AK> I recently had the pleasure of using the Dactyl Nightmare VR
- AK> game systema friend of mine. Ever since I tried this I have been
- plagued
- AK> with the question, how does the system detect head and hand movements.
- AK> The hand interface is not a glove, instead it is a gun.
- AK> Is a field generated somewhere in the room and the head and
- AK> gun sensors it? or is everything based on magnetic north and gravity?
- I
- AK> would love to know this.
-
- AK> --- Reply by Andy Kossowsky :
-
- AK> The Virtuality system, As far as I know is based on a magnetic
- AK> position detector similar to the Polhemous, the magnetic field
- AK> is generated fron the ring that surrounds you and is picked up
- AK> by the helmet and 'gun'. Virtuality, by the way, is based on an
- AK> Amiga with a suped-up graphics system and CD-ROM storage.
-
- I was told that it uses the technology (Birds of a Flock) a company
- called Ascension produces. It uses magnetic fields to track the
- movements. As far as I can gather, it has a unit in the HMD and one
- in the free floating gun/joystick. It's about $3000 a unit, whew.
-
-
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