"Warp" <war### [at] tagpovrayorg> wrote in message news:3bc5ba72@news.povray.org...
> Trevor Quayle <Tin### [at] hotmailcom> wrote:
> : However, real teardrops do not have a point, in reality they are spherical
> : (or rather elliptical or egg shaped as distorted by gravity/friction)
>
>   This depends a lot on where the drop is.
>
>   If it's falling freely (ie. a raindrop), then its shape is close to a
> lemniscate or like a hamburger-shape (although it depens also a lot in the
> size of the drop).
>   If it's sliding on a surface (eg. a window) then it gets more the classical
> teardrop-shape. The upper part may or may not be sharp, depending on the
> physical properties of the surface.
>   If it's hanging from a surface (being about to drop), then it's also like
> the classical teardrop-shape, but the upper part is more like a hyperbola.
>

Ok, so what's the isosurface formula for each of these?  =)

- Nekar


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