POV-Ray: Newsgroups: povray.general: How can we check if an object is within another object?: Re: How can we check if an object is within another object?

POV-Ray : Newsgroups : povray.general : How can we check if an object is within another object? : Re: How can we check if an object is within another object?		Server Time 25 Apr 2024 12:43:24 EDT (-0400)

From: Kima
Date: 12 Jun 2020 13:50:01
Message: <web.5ee3bf5a350b148ecc0fada0@news.povray.org>

"Bald Eagle" <cre### [at] netscapenet> wrote:

>
> > I need the CONDITION.
>
> Do you just want to do an insidedness test?
> #if (inside (prism, point)) ....
>
> If you want to have each sphere be fully inside the prism, construct a smaller
> test prism where the edges are closer to the origin by the radius of the
> spheres.   Test against that, and then render the spheres in the actual prism.

For using the "inside" function, I should test all the points on the sphere. And
then, it will check the entire prism, not the visible part.

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