[ODE] Trimesh problems

[Bram Stolk]

I recall some recent changes in CVS UNSTABLE for sphere penetrations.

Are you using UNSTABLE, MAIN or a tar ball?
Could you try the two CVS branches, and see if there is a difference
between the 2?

   Bram


Anders Olofsson wrote:
> Hi!,
> 
> In my litte test I have this:
> dWorldSetCFM (world,1e-8f);
> The ERP I dont change, probably some default value.
> 
> Only got 2 triangles in the test, they dont look degenerated! :) (check 
> wireframe)
> 
> True, its single precision, but the spheres that are jumping in the movie 
> is dropped at origin. In the test too. But I'll check this (switching to 
> doubles).
> 
> Thanks for your help!
> 
> --Anders Olofsson
> 
> At 20:00 2006-01-09, you wrote:
> 
>>A few things come to my mind:
>>1. What are the global ERP / CFM parameters set to ? Did you try to
>>tweak them too ?
>>2. Make sure you're filtering out degenerated triangles in your
>>trimeshes, because ODE isn't doing it, and last time it caused some
>>severe bugs in my application.
>>3. My bet: in your video, you seem to have a pretty huge terrain. What
>>scale units are you using ? Are the spheres dropped very far from the
>>origin by any chance ? If so, i do think it's a float 32 precision
>>problem, and you might verify this easily by switching ODE to double mode.
>>
>>Cheers,
>>
>>F. Brebion
>>
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> 
> 
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