[ODE] Representing external simulation objects in ODE on a trajectory

Jon Watte (ODE) hplus-ode at mindcontrol.org
Mon Jul 30 11:39:25 MST 2007

For kinematic bodies, just move a geom (or set of geoms) around, without 
involving a body. Or create a heavy body, drive it with hard forces, and 
accept a small amount of slop.

Devrim Erdem wrote:
> Hello,
> Is it possible to move a rigid body object on a trajectory ? An 
> external simulations computes the position&velocity of a body. I want 
> to represent this object as a rigid body in my ODE environment with 
> this data. I will also need to create some other rigid bodies in ODE 
> which have to collide with this object and even rest on it. The FAQ 
> suggests against setting the position and velocity of a rigid body 
> externally at each step.
> P.S. I assume moving collision geometries will not be good if my rigid 
> bodies are resting on the object. I guess if the underlying body moves 
> or tilts, the rigid bodies will not slide down or moved by this motion 
> (which I want to have).
> I wanted to hear your opinions before I dive into coding.
> Thanks
> Devrim
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