[ODE] Quick ODE question from an ODE newbie.

[Jon Watte (ODE)]

Yes, 0 is never an ID that will be returned. Internally, the "ID" values 
are actually pointers to objects.

Cheers,

          / h+

Jeremy Roberts wrote:
> Hello fellow ODE users,
>      I have a quick ODE question from an ODE newbie.  I could sort for 
> hours through the code possibly and find the answers to these but in 
> truth there may be things I missed or overlooked due to internal 
> workings and this is critical.
>      Question)  In theory I am thinking in my engine design of using 
> safe pointers for ODE bodies/geoms/joints etc. except rather than 
> delete them I would destroy the related type. 
>      I need to know if there is a value for 
> ids (bodies/geoms/joints/worlds etc.) that will never be taken (likely 
> 0 if there is one) such that the conditional for destruction 
> will properly "safe destroy".