[x3d-public] Multiplayer strategies

[Leonard Daly]

Browsers are client-based. It is a lot to assume that a client-based 
browser could perform all that work. What happens if the first client to 
connect to the virtual world is a phone? There are also major security 
issues with requiring a client to render for another user.

WebRTC (at least in the web browser world) already handles cross-client 
communication. It would then be a matter to determine an 
(application-specific) format for the world data crossing the connection 
so that sites remain synchronized.

For this purpose X3D offers SAI; however, I don't think there is any 
high-level support in the SAI for this type of work. An X3DOM 
environment could tap into the WebRTC stream and update it's virtual 
world using DOM and X3DOM-extension interfaces.

Leonard Daly


> 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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-- 
*Leonard Daly*
3D Systems & Cloud Consultant
LA ACM SIGGRAPH Past Chair
President, Daly Realism - /Creating the Future/
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