It's like this.
The rest of OpenSim 'sees' the physics engine through an abstract API
that is exactly the same for all physics engines. To plugin a new
physics engine (say, Havok) you need to write a piece of C# code that
maps that abstract API to the concrete capabilitites of that physics
engine. So it's not a 100% plug-and-play situation, but it's not that
hard either, at least for ppl who understand the ontology of physics
engines. Once that C# layer is in place, using the new engine in
simulators is as trivial as specifying
[Startup]
physics = HavokEngine
[HavokPhysics]
...
Brianna wrote:
Diva,
So I understand the OpenSim structure.
The physics engine integration is SDK civilized, so to speak, and does
not require source libraries?
The commercial restriction and Net only are not issues in my planned
intent.
Thanks,
Bri
--------------------------------------------------
From: <[email protected]>
Sent: Friday, August 20, 2010 11:38 AM
To: <[email protected]>
Subject: Re: [Opensim-dev] Super easy question
This person could really use some help with writing in English...
Apart from that, Havok is not an option for the stock OpenSim
distribution, because (1) it's not multi-platform; and (2) its use in
commercial uses of OpenSim is not free.
There's nothing preventing anyone -- core devs, non-core devs and
users included -- from plugging in Havok into OpenSim and distribute
that. But as the stock OpenSim distribution goes, it's a no go for the
2 reasons mentioned above.
Brianna wrote:
I got this reply re Havok...a snip
The SDK is designed to enable independent game studios to execute
their creative visions using Havok’s premium, developer-preferred
middleware technology, the Independent Developer Program helps
studios minimize the overall risk and high cost associated with
internal creation of the tools and technologies required to power
today’s sophisticated video and PC games. Havok’s Independent
Developer Program will give developers access to the company’s full
suite of cutting-edge, award-winning products and technologies
including: Havok Animation™, Havok AI™, Havok Behavior™, Havok
Cloth™, Havok Destruction™ and Havok Physics™. Havok’s modular suite
of tools puts power in the hands of creators, empowering them to
reach new standards of believability and interactivity in video
games. All of Havok’s software tools are fully multithreaded and
cross-platform optimized. It's a shame, incorrect information about
us is passed around.
C++ is not the norm these days. Given that great indie games are more
2d & flash, or 3d & xna/c#. it’s a good starting point for handling a
lot of low level system things like arrays, serialization, file
loading etc, never mind the physics. SDL + Havok + Directx/OpenGL is
a fast track to getting the back end of an indie game up and running
quick. You can, get the Havok-7 SDK for free using the “Intel-funded,
binary-only libs versions of Havok Physics, Havok Animation and
Havok’s Content Tools for the PC.” They can be found on site, and
there’s no charge for these so long as you’re giving your game away
for free, actually <$10, or are a non-profit.
Bri
*From:* Jor3l Boa <mailto:[email protected]>
*Sent:* Friday, August 20, 2010 10:36 AM
*To:* [email protected] <mailto:[email protected]>
*Subject:* Re: [Opensim-dev] Super easy question
I had to use llMoveToTarget and other physical functions in order to
get a vehicle working, not with Vehicle params.. since OS uses a diff
engine [SL uses havok] is hard to get something working from SL
2010/8/20 Brianna <[email protected] <mailto:[email protected]>>
I will peruse the OSGrid script forum this weekend and post where
needed.
this mail list is not the place.
Bri
*From:* Karen Palen <mailto:[email protected]>
*Sent:* Friday, August 20, 2010 6:46 AM
*To:* [email protected]
<mailto:[email protected]>
*Subject:* Re: [Opensim-dev] Super easy question
There are many of us who would be interested in a working vehicle
script if you care to share it!
Karen
On Fri, Aug 20, 2010 at 5:05 AM, Rustam Rakhimov
<[email protected] <mailto:[email protected]>> wrote:
Oh
can u give me your vehicle or at least give some hint how to
make that kind of vehicle ??
please ....
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