#define WORLD_MAX_PLAYERS 5
#define WORLD_MAX_BULLETS 5000

#define PLAYER_ACCELERATION 150.0f
#define PLAYER_DRAG 2.0f

enum {
	INPUT_UP = 1 << 0,
	INPUT_DOWN = 1 << 1,
	INPUT_LEFT = 1 << 2,
	INPUT_RIGHT = 1 << 3
};