[ODE] Re: tokamak vs. ODE.. interesting to know

[Adam Moravanszky [Novodex]]

Hi Rikard,

When comparing ODE and tokamak in a commercial application, I think one
aspect that would  play a role if it was better documented is this patent
coauthored by Russ covering the ODE tech, filed by MathEngine:

http://l2.espacenet.com/espacenet/viewer?PN=AU3760501&CY=ep&LG=en&DB=EPD

AFAIK MathEngine has not indicated any willingness to enforce this patent,
so it may well be harmless.  I also don't know if the takeover of ME by
Criterion means that they now own this patent.

--Adam

--  Adam Moravanszky
/*================*\
|Chief Software Architect
|NovodeX AG
|physics middleware
|www.novodex.com
\*================*/

----- Original Message -----
From: "Rikard Herlitz" <rikard@idolfx.se>
To: <ode@q12.org>
Sent: Tuesday, July 01, 2003 12:43 PM
Subject: [ODE] Re: tokamak vs. ODE.. interesting to know


> The response I got from tokamak whas that an commercial license would cost
> about 800$ ... although they had not quite set a final price yet...
> for non-commercial use it's free...
>
> there is a sample that comes with tokamak that sets up a simple car, using
> their sensors to shoot rays vertically down from
> each wheel...
>
> ---------------
> Rikard Herlitz - Idol FX
> www.idolfx.se
>
> --------------------------------------------------
> couple questions...
>
> What does takomak cost?
>
> How is it for simulating vehicles?
>
> The info is a bit sparse on there site.
>
> -jeff
>
>
> ----Original Message Follows----
> From: "matt herb" <punkouter@hotmail.com>
> To: ode@q12.org
> Subject: [ODE] takomak vs. ODE.. interesting to know
> Date: Fri, 27 Jun 2003 13:48:43 +0000
>
> Posted: Fri Jun 27, 2003 1:36 pm    Post subject:
>
> --------------------------------------------------------------------------
--
> ----
>
> I've made heavy use of both ode and tokamak in one of our prototypes for
> xbox...
>
> tokamak is comparable to ode when solving with ode's user-made faststep
> implementation, the iterative solver...without it, ode is accurate but
> impossibly slow for use in games...and the accuracy difference is not
> noticable att all anyway(using appropriate amount of iterations
offcourse)..
>
> *ode pros:
> has spaces(simple or hashtable), that can also contain other spaces
> hierarchically.
> easy to extend with your own geoms, or use another collision detection
> engine(like opcode).
> alot more joint types than tokamak
>
> *tokamak pros:
> bodys go into resting state automatically(get disabled/enabled). in ode
you
> have to do this by yourself...
> easy to use..
> has a great sample of ragdolls, with joints and bodys setup, that you can
> make use of...neat to have when you not have the physics-setup tools that
> come with havok...
> it's a bit faster, probably due to better collision detection...
> joints seem more stable than in ode
>
> lot more to say, but hey, who's got time...
>
> ---------------
> Rikard Herlitz - Idol FX
> www.idolfx.se
>
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