Hello. I would like for a game to have three vertices. One would be at a longitude and latitude. The other two would form an edge. The edge would move according to signals that begin from, reach, and/or are reflected off of parts on my elbow and wrist (as part of a positioning system). To be more accurate, to make up for the line of sight problem, I’d like for there to be more of those parts (that aren’t on me), and the computer to know the distance from a part on my shoulder to the part on my elbow. I’d like to send the size of an angle, formed by (two rays formed by) those three vertices, to an Arduino. I’m going to continue by reading “Unity game development cookbook : essentials for every game”. Do you have any advice, such as an easier/inexpensive/better way to do it? Thank you.