I'm currently working on something that is somewhat related to what you're talking about. When the game starts and units start pilling up in both bases one player makes the assumption that the other's player unit are in his base (and that's where the hipotetical or ghost units are placed) . When the first player starts exploring the map and the other player's unit position doesn't check out the hipotetical units need to be moved somewhere out of sight. The leaves need to be blown somewhere el