[ODE] [Where m I ]always simulating spring.

[Remi Ricard]

Hi,

> to be simple there are two box 1 and 3 who doesnt' move, and box 2 who 
> has to move attached  by springs.
> 
> I have two trouble, the first is,  That doesnt' move like I want, the 
> box 2 move in the 1-3 axis and not in up-down axis (like a real spring)
> 
> 
> the second thing is box 1 and 3 have to be immuable.
> 
> in faq you say
> "   he answer is to create a geom only, without the corresponding rigid 
> body object ... Then in the contact callback"
> 
> but I don't need collision world so how to do that.

If you don't want collisions (you don't need geometry) and if you don't 
want them to move then you don't need body.

So your boxes 1 and 3 can be visual entities only.

Remi