[ODE] Sphere/Plane friction

[Hannes Norda]

Hi,
check the FAQ ( http://q12.org/cgi-bin/wiki.pl?FrequentlyAskedQuestions )

    * Q How do I stop things from rolling off into infinity, or
      pendulums from swinging forever?
    * A ODE models a universe with frictionless hinges and no rolling
      friction, so problems like those are fairly common. The solution
      is to apply a force to simulate RollingFrictionOrAerodynamicDrag
      <http://q12.org/cgi-bin/wiki.pl?RollingFrictionOrAerodynamicDrag>.

/Hannes

Robert Rose wrote:

>
> Hi all, I'm trying to get back into ODE.  Right now I'm trying to 
> write a simple simulation of a ball hitting the floor and rolling 
> around... I'm doing this using a plane and a sphere.  My problem is 
> when the ball hits the floor it never stops rolling.  Here's my 
> collision code:
>
> if(dCollide(spheregeom, planegeom, NULL, contactgeom, NULL))
> {
>   dSurfaceParameters surfaceb;
>   surfaceb.mode = dContactBounce;
>   surfaceb.mu = 50.0f;
>   surfaceb.bounce = 0.6f;
>   surfaceb.bounce_vel = 0.01;
>   ...
> }
>
> ?
> -robert
>
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