I have a sizable game engine and I'd like a feature for finding the nearest of a list of points. I could simply use the Pythagorean theorem to find the distances. I know I can't simply add x and y, ...
What data should I use to track the player position on a world at the same size of the earth in a multiplayer game?
I guess this kind of game or simulator already exist somewhere, but I'm not sure... Let's imagine I'm making a game where the proportions of the planet earth and the humans beings on it are the same ...