[ODE] one way collisions

[Jon Watte (ODE)]

This mechanism works fine. Chances are that something else is wrong in 
your simulation, or you're setting the contact parameters wrong.

John Millaway wrote:
> To simulate a "one way" collision (where one object does not react to 
> the collision), the notes (12.10) suggest attaching a contact join 
> between the reacting object and the 0 body. I've done this and found 
> severe interobject penetration -- not just during the initial collision, 
> which is tolerable, but on every subsequent step. In other words, the 
> reacting object never escapes the interior of the other object.
> 
> Is there another way to simulate to one-way collisions?