What would have happened to today's games if the mouse had not been invented?

Even if there is no mouse motion sensing operation, I think there is hope that it will become the next popular trend. Although motion sensing is not uncommon in the field of consoles, due to the size of the controller, it still requires technology to transition to mobile devices. support, but children can imagine that when the controller is small enough not to affect hand movements, the game operation can be turned into gesture operation, and the performance in shooting or fighting games will be worth looking forward to!