That's pretty much what a WiiMote does, except it's not looking at corners of the screen, it's looking at infra-red lights on the "sensor bar". That's how the l

That's pretty much what a WiiMote does, except it's not looking at corners of the screen, it's looking at infra-red lights on the "sensor bar". That's how the lightgunverter linked at the bottom of the article does it. https://www.lightgunverter.com/features.html https://www.lightgunverter.com/features.html