sdlJoystickNumBalls function
Get the number of trackballs on a joystick.
Joystick trackballs have only relative motion events associated with them and their state cannot be polled.
Most joysticks do not have trackballs.
\param joystick an SDL_Joystick structure containing joystick information \returns the number of trackballs on success or a negative error code on failure; call SDL_GetError() for more information.
\since This function is available since SDL 2.0.0.
\sa SDL_JoystickGetBall
extern DECLSPEC int SDLCALL SDL_JoystickNumBalls(SDL_Joystick *joystick)
Implementation
int sdlJoystickNumBalls(Pointer<SdlJoystick> joystick) {
final sdlJoystickNumBallsLookupFunction = libSdl2.lookupFunction<
Int32 Function(Pointer<SdlJoystick> joystick),
int Function(Pointer<SdlJoystick> joystick)>('SDL_JoystickNumBalls');
return sdlJoystickNumBallsLookupFunction(joystick);
}