Screen Shake: The Mathematical Illusion of Kinetic Impact

An explosion in a video game has no physical weight. To force the player to actually feel the concussive force of a detonating grenade or a massive hammer strike, game developers must rely on one of the most deceptively complex mathematical tricks in interactive media: the screen shake algorithm. If a developer simply shakes the entire game world, the player's crosshair will violently detach fro...