[ODE] Bouncing boxes on a plane

Sean S Cullen Sean at blackscreen.org
Wed Sep 22 14:19:05 MST 2004


You probably need to lower the CFM.  Something like 0.000001 or smaller.

>
> Do you dampen the linear and angular velocities of your bodies
> by something like 1% each step? If not, it's possible your
> simulation will never achieve resting state.
>
> Cheers,
>
> 			/ h+
>
>
> -----Original Message-----
> From: ode-bounces at q12.org [mailto:ode-bounces at q12.org]On Behalf Of
> join at krakendev.com
> Sent: Wednesday, September 22, 2004 6:42 AM
> To: ode at q12.org
> Subject: [ODE] Bouncing boxes on a plane
>
>
> Thanks a lot for the information on Message 2.
>
> I've run into anotheer problem unfortunately. I didn't have this issue
> before, and I'm not sure what I would have set to make it so, but the
> bodies in my application are "bobbing" on the ground plane as though its
> a trampoline or such.
>
> I'm still using the collision callback from the buggy example, and I'm
> stepping the world in .01 increments.
>
> For gravity and the ground I'm using:
> dWorldSetGravity(world,0.0,-9.81f,0.0);
> ground = dCreatePlane (space,0,1,0,0);
>
> I'm not sure if it matters, but the linked boxes (together, initially)
> stand roughly 5 units off the ground, each having a mass between 0.6 and
> 1.0 (totalling 6.4).
>
> Any help would be greatly appreciated. Cheers.
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