Function fermium::joystick::SDL_JoystickNumBalls
source · pub unsafe extern "C" fn SDL_JoystickNumBalls(
joystick: *mut SDL_Joystick
) -> c_int
Expand description
Get the number of trackballs on a joystick.
Joystick trackballs have only relative motion events associated with them. There’s no “absolute” position to poll.