"Ron Parker" <ron### [at] povrayorg> wrote :
> >
> >    Well that's the problem isn't it... I need a function that doesn't go
> >vertical... I would like it to go as deep as the mass is large.
>
> The problem is that the equation for gravity actually does go vertical, if
> you're dealing with a point mass.  The equation for gravity in a sphere
> is a bit more complex, but it actually goes to zero at the center

    But the problem with the formula I am using is that it goes vertical too
far from the center. The larger the mass, the wider the area of nearly
vertical descent.

    As soon as my current animation finishes I will mess with it...

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