[ODE] Gravity

[Martin C. Martin]

Keep in mind though, that energy won't be conserved, so the planets will
slowly spiral in toward the stars.

Nate W wrote:
> 
> On Thu, 16 Jan 2003, Jakob Kjaer wrote:
> 
> > Without browsing the internals of ODE much, I have a question:
> > Would it be a - more or less - simple task to add gravity to objects, or
> > is the 'per world gravity' the only possibility? I'm thinking at things
> > like simulating simple solarsystemts and so forth... :)
> 
> dBodyAddForce should do what you want, just compute the force to work like
> gravity.   G * ((m1 * m2) / r^2) or something like that.
>