[X3D-Public] Tips on a multiuser protocol server.

[Sven-Erik Tiberg]

My Q. was about the capability to predict the position between tranferes of translation states for a graphica or audio object.
And aslo a posibility to calcultate the speed and acceleration in 6 D.O.F. for a  graphica or audio object.

/Sven-Erik

________________________________
From: x3d-public-bounces at web3d.org [mailto:x3d-public-bounces at web3d.org] On Behalf Of Sven-Erik Tiberg
Sent: den 3 mars 2010 13:45
To: 'Keith'
Cc: X3D Graphics public mailing list
Subject: Re: [X3D-Public] Tips on a multiuser protocol server.

Hi Kieth

Thanks for the answer.
Interesting that Vivaty are using local script togehter with transmitted states of the avatar.
A question are there any timestamp in the SWMP packages or do they assume equal time between packages.

/Sven-Erik


________________________________
From: Keith [mailto:keithrvictor at gmail.com]
Sent: den 2 mars 2010 19:43
To: Sven-Erik Tiberg
Cc: X3D Graphics public mailing list
Subject: Re: [X3D-Public] Tips on a multiuser protocol server.

Vivaty does something similar to that. The position and orientation of the
Master avatar is emitted via swmp every quarter second.
The slave avatar's clients recieve that decreet data, and smooth it out, providing nice smooth position/orientation data at each frame.

Keith victor
Vivaty

Sent from my iPhone

On Mar 2, 2010, at 9:43 AM, Sven-Erik Tiberg <Sven-Erik.Tiberg at ltu.se<mailto:Sven-Erik.Tiberg at ltu.se>> wrote:

At what rate did you transfere states.

Any differences in desired rate for apperence of fixed objects in the sceene, moving objects like avatar or point of views and biomechanical motion an a avatar.

Could it be possible to have a script in the browser to support fast changes in states of objects like a walking avatar, where the multiuser exchange of states indicates the direction and speed of the avatar and the local script handle the inverse kinematic of how the the avatar are walking.

/Sven-Erik

________________________________
From: Tony Parisi [mailto:tparisi at gmail.com]
Sent: den 27 februari 2010 18:19
To: Dave A
Cc: Sven-Erik Tiberg; Thomas Nilsson; Gunnar Östlund; Petter Skott; <mailto:x3d-public at web3d.org> x3d-public at web3d.org<mailto:x3d-public at web3d.org>
Subject: Re: [X3D-Public] Tips on a multiuser protocol server.

More accurately, SWMP (Simple Wide-Area Multi-User Protocol), pronounced 'swamp.' But yes, Dave is correct. We used that for 3D shared state, Jabber for the chat, roster and presence.

Tony

On Fri, Feb 26, 2010 at 12:32 PM, Dave A <<mailto:dave at realmofconcepts.com>dave at realmofconcepts.com<mailto:dave at realmofconcepts.com>> wrote:
Clarification: Vivaty used ejabberd for the chat component, not the 3d-shared-state stuff, that was 'swamp'


Dave A wrote:
That's what Vivaty used for it's multiuser experience

Sven-Erik Tiberg wrote:
Hi.

Setting up a <http://www.ejabberd.im/> http://www.ejabberd.im/ protocol server based on ERLANG program and applications.
A tips this could be a universal and fast protocol server for use with many present and future protocols used in w3d spaces.
My tips have a look at a Thesis on ERLANG and then <http://www.ejabberd.im/> http://www.ejabberd.im/ .

PS. <http://www.ejabberd.im/> http://www.ejabberd.im/ can be useful for many network brokers, filters, protocol converter and controller applications.

BG
Sven-Erik


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Tony Parisi                             <mailto:tparisi at gmail.com> tparisi at gmail.com<mailto:tparisi at gmail.com>
CTO at Large                         415.902.8002

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