Cousin Ricky <ric### [at] yahoocom> wrote:

> That went completely over my head.  What is sdf?  Am I supposed to know
> that?

SDF is a "Signed Distance Function" - just a function, with useful properties.
He has links in the description, and earlier videos on his channel.

> And did anyone else notice that the highlights in eyes were from the
> wrong direction?

Nope - I was too flabbergasted by what he was doing.
The entire scene is essentially one big isosurface with custom functions for
texturing.

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