[ODE] degrees of freedom in a slider

[Jon Watte (ODE)]

A hinge will not overflow if you don't use stops. It's the right 
solution for a rotating office chair (or, for that matter, for wheels on 
an axle).

Cheers,

          / h+


David Walters wrote:
>> I created a new joint which I call "Rotoide prismatic"  but the rotation
>> axis is perpendical to the axis of the  slider.
>>     
>
> Would this be appropriate for creating a rotation joint as you would
> find in a office chair, i.e rotation around the vertical only, with no
> movement - if not, I'm wondering, how would you do that?  I was
> thinking a hinge with no stops, but would that not overflow/break if
> it span too far in one direction?
>
> Looking forward to your patch.
>