Barcode Recognition?

How would I go about starting to write my own barcade recognition script?

Ideas would be appreciated…

I did some research into this a few years ago for the company I worked for at the time. There were some interesting white papers published on the internet on how to approach it. There should be more now. I just used a Google search.

I ever had similar request to write qr code recognition code and searched a tutorial on CodeProject.
I don’t know whether you have done it now, if request is still you may get a guide on CodeProject.

If you just want to recognize barcodes I suggest using the ZXing.Net library for Unity. I got that working in my own app and it works great. If your learning how to read barcodes, I would suggest still looking at it, since its open source.

To get their unity package to work though, you will need to download source, and update their UnityEngine.dll with the one on your machine btw, I learned this the hard way.