[ODE] Heightfield2

[Geoff Carlton]

Hi,
If you have any code snippets that illustrate problems with offsets, 
send them along and I will have a look at it.

Thanks,
Geoff

LR wrote:
> Another thing curious with the cylinder /plane (and i just look with the
> trimesh too):
>
>
> Up to the last week, i composed rigid bodies with transformed geoms -> all
> was ok
>
> Since this week i've replaced transformgeom for offsets then,
>
> -> coliding cylinder/plane when cylinder is up, circle tutching plane
> generate contacts but not forces ...
> -> coliding mesh/plane not generate contacts (or generate contacts but not
> forces) ....
>
>  
>  
>
> -----Message d'origine-----
> De : David Walters [mailto:hidden.asbestos at googlemail.com] 
> Envoyé : lundi 18 septembre 2006 10:45
> À : LR
> Cc : ode at q12.org
> Objet : Re: [ODE] Heightfield2
>
> Is it possible for you to try with capsules instead of cylinders? it is
> possible that there's a bug in the ray / cylinder or plane / cylinder code.
>
> I have seen this behaviour myself, but not investigated it as I assumed it
> was the density of my heightfield grid rather than a common problem for all
> cell edges.
>
> Regards,
> Dave
>
>
>   
>> Hi,
>>
>> I have a curious thing with the heigtfield:
>>
>> A robot with 2 cylinders as whells is running on a flat (it's a test) 
>> heightfield : the robot jumps (shortly, about 10 cm on Z up axis) when 
>> cylinders are about to go from a sub square to another.
>>
>> Reducing the number of square, i can look that it's exactly at the 
>> height squares transition.
>>
>> In fact robot own 2 cylinders as front wheels, and a shpere for the rear.
>> Jumps occurs only on the cylinder witch is about to go from a quare to 
>> the next .... never on the sphere
>>
>> some one know what to do to avoid that ?
>>
>> thank you
>>
>> Laurent.
>>
>>
>>
>>
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>>     
>
>
>
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