[x3d-public] Multiplayer strategies

[GPU Group]

The DIS distributed interactive simulation component: I found it had some
interesting things, and some flaws.
x not x3d centric. Its a giant military standard, and a few nodes adapted
to x3d
-- a transform type node
-- some strange radio nodes
* uses UDP 'chirps' for updating positions /  pose of transforms (like some
multiplayer games)
-- OK if you miss a chirp - the next one will get you back on track
-- interpolators anticipate pose between chirps
-- no central server - anyone who logs in on that port can join and leave
at any time
x tries to use UDP chirps for one-time state changes
xx if you miss a state change you are out of sync
-- compensates with regular re-broadcasting of states vis UDP chirps
xx those joining late will have to wait for state broadcasts to sync-up
Summary:
- I think it would be better to start from scratch ie requirements
gathering ... and make something just right for x3d multiplayer.
-Doug Sanden


On Tue, Feb 26, 2019 at 5:45 AM John Carlson <yottzumm at gmail.com> wrote:

> So far, I think the answer is DIS or AJAX.  Check out the Networking
> Component.  I’ve used socket.io on non X3D web pages. You may have to
> buffer requests.
>
>
>
> John
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
>
>
> *From: *Andreas Plesch <andreasplesch at gmail.com>
> *Sent: *Tuesday, February 26, 2019 4:34 AM
> *To: *X3D Graphics public mailing list <x3d-public at web3d.org>
> *Subject: *[x3d-public] Multiplayer strategies
>
>
>
> With VR it may become more common to share a live, dynamic experience
> using multiple headsets and controllers. At first glance this seems to call
> for multiple, active viewpoints rendered by a single browser. The layering
> and layout components seem relevant.
>
>
>
> Another strategy would be having multiple browsers with identical scenes
> and keeping scenes in sync with an additional process and SAI methods.
>
>
>
> What are the strategies offered by X3D to support sharing a live, dynamic
> world ?
>
>
>
> This came up as a x3dom GitHub issue and I thought may be more generally
> interesting.
>
>
>
> Andreas
>
>
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