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Question by EmmetOT · Oct 06, 2018 at 04:08 PM · meshmathintersection

Get mesh intersection points with arbitrary plane/disc

I want to be able to draw a disc around the centre of an arbitrary mesh and get the resulting 2D cross section, without using a collider for the disc/plane which forms the intersection.

As an example, here's a disc of radius 1 around the centre of an octahedron. The cross section of both shapes is a square. What would be the simplest way to detect the points of intersection?

alt text

octo.png (6.6 kB)
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Answer by Bunny83 · Oct 06, 2018 at 05:34 PM

This sounds similar to this question. Maybe have a look at the gif i've linked at the end of my answer to see if that's what you're after.

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