Feature: Allow the user to access edgeloops

[glitchland]

Thank you for your awesome work on this library. I added a few changes that allow the user to also explicitly request an edgeloop cut at a specified coordinate. For example:

            List<Vector3> slicePoints = EzySlice.Slicer.EdgeLoop(source, cuttingPlane);

            if (slicePoints == null)
            {
                Debug.LogWarning("Slice did not produce loop!");
                return false;
            } 

            layersPointList.Add(slicePoints);

Let me know if this is something that you think would be worth it to add to ezy-slice main, otherwise I can maintain it in my fork. I can also make any changes required to make it suitable for main.

[DavidArayan]

Always great to see contributions coming in, thank you for that!

I'll do a quick test over the weekend and merge with master. Could you describe what the use-case of this change is? ie, what is an edgeloop cut? cheers!

[glitchland]

Hiya @DavidArayan, sorry for the slow reply.

So my use case was kinda strange I guess, I needed to take a series of cross sections of a mesh using a plane to emulate a 3d printer. I used that to build an extruder. I made this GIF of the functionality (it takes a little while to start running):

https://i.imgur.com/b69bWUo.gif

This would have taken me a long time if it were not for your amazing library, so I wanted to PR my code in case my changes can help someone else out the same way you helped me.