[ODE] How to Avoid Walls when using 4 spheres and box for a Car

[kurimail]

Hey, i have been seen the Bullet Physics and the new collision library
looks great! Does anybody know how to use the convex collision detection
with ode? does it work with trimesh?

Thanks!

> Someone posted demos of ode with Bullet collision detection primitives.
> Their demos look nice though feel a little slow sometime. They have non
> capped cylinder and convex mesh primitives both of which can be used for
> this with acceptable results. Maybe you can try it. The link to the bullet
> demos is
>
> http://www.continuousphysics.com/Bullet/
>
> Regards,
> Mohsin
>
> -----Original Message-----
> From: ode-bounces at q12.org [mailto:ode-bounces at q12.org] On Behalf Of John
> Donovan
> Sent: Friday, September 16, 2005 2:34 PM
> To: ode at q12.org
> Subject: [ODE] How to Avoid Walls when using 4 spheres and box for a Car
>
> Yes, I had similar problems in a little simulation I did. I got the car
> to skid and turn over nicely, but the wheel sphereskept it propped up on
> its side in a most unnatural looking angle.
> I presume there's a good reason why people don't use cylinders for
> wheels; anyone care to explain why? Also what about creating a torus
> collision geom? That would reflect the shape of a wheel quite nicely.
> Are intersection tests with torii fairly straightforward, or (as I
> suspect) quite complicated?
>
> -J
>
>
>> -----Original Message-----
>> From: ode-bounces at q12.org [mailto:ode-bounces at q12.org] On
>> Behalf Of kurimail
>> Sent: 15 September 2005 23:49
>> To: ode at q12.org
>> Subject: [SPAM HCP] - [ODE] How to Avoid Walls when using 4
>> spheres and box for a Car - Email found in subject
>>
>>
>> Sorry for the long topic name, but that is my question...
>>
>> When i use 4 spheres for the car and i get near to a wall the
>> car goes up
>> trying to climb the wall. Is there any way to avoid this?
>>
>> I know that a possible solution could be to make the box for the car
>> bigger than it is, but i don't want to use this because then the car
>> collides with nothing (space between the wall and the real body car).
>>
>> any help please?
>>
>> Thanks in advance!
>> _______________________________________________
>> ODE mailing list
>> ODE at q12.org
>> http://q12.org/mailman/listinfo/ode
>>
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