"Chris R" <car### [at] comcastnet> wrote:

> One of the things that really helps with this is having a version of
> f_rounded_box that more accurately returns the distance of a point from the
> surface of the box.  That allows me to simply add/subtract other pigment
> functions with a depth I can model to the shape function in the isosurface.
> It's much slower than the built-in f_rounded_box, but gives more controllable
> results.

Interesting.
What equation are you using?

I'm wondering if you might benefit from this:

https://iquilezles.org/articles/distfunctions/

- BW

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