ClosestPoint() implementation for meshes

[iltabe]

Discussed in #415

^{Originally posted by iltabe May 30, 2023}
Hi guys!

I know some of you for different reasons! Ciao!

For a client I'm building an algorithm that requires some geometrical operations. I've looked into G-Shark and started to use it. It looks promising and does almost everything I need (basic vector, point, plane stuff).
Thanks guys for having give birth to this nice project!

The only thing I miss is a mesh.ClosestPoint(Point3 pt) method... Is it in the todo list by any luck?
Thanks!
Gianluca

It would be nice to implement some functionality for meshes, especially myMesh.ClosestPoint(Point3 test_point).
The behaviour I expect is to get back from the function the real closest point:

1. on a mesh vertex, if the mesh vertex is the closest point to the test point
2. on a mesh face boundary (edge) if that is the closest point to the test point
3. a point inside a mesh face if the length of the line perpendicular to the face (and passing per test_point) is shorter to any other line connecting test_point to the mesh.

Long story short: the closest point! :)

[iltabe]

Hi there!

We found a bit of internal resources to work on this, so we started a first implementation.
We will open a PR in the next few days/weeks.
Thanks!

[d3ssy]

Excellent! Looking forward to it. Thank you for taking the time to contribute.

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On Wed, Jul 5, 2023, 11:07 AM iltabe ***@***.***> wrote: Hi there! We found a bit of internal resources to work on this, so we started a first implementation. We will open a PR in the next few days/weeks. Thanks! — Reply to this email directly, view it on GitHub <#416 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ABPXUISFSLKSHANMG5F2ZE3XOUVENANCNFSM6AAAAAAYW3ZRVI> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>

[iltabe]

Ciao @d3ssy,
The PR regarding mesh closest point is out. Who is the best person to be tagged as reviewer?
Thanks!

[d3ssy]

I'll review later today, cheers!

[iltabe]

Cool, thank you! Il giorno mer 26 lug 2023 alle ore 10:47 Guido Maciocci < ***@***.***> ha scritto:

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I'll review later today, cheers! — Reply to this email directly, view it on GitHub <#416 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/APPLZ2HLAE3JLULGTLIHE73XSDKQVANCNFSM6AAAAAAYW3ZRVI> . You are receiving this because you authored the thread.Message ID: ***@***.***>

[d3ssy]

@iltabe Review done! Apologies for the delay. Please reach out if you need any help or further info!