| SDL_GetNumJoystickBalls(3) | SDL3 FUNCTIONS | SDL_GetNumJoystickBalls(3) |
SDL_GetNumJoystickBalls - Get the number of trackballs on a joystick.
Defined in SDL3/SDL_joystick.h
#include "SDL3/SDL.h"
int SDL_GetNumJoystickBalls(SDL_Joystick *joystick);
Joystick trackballs have only relative motion events associated with them and their state cannot be polled.
Most joysticks do not have trackballs.
Returns the number of trackballs on success or -1 on failure; call
SDL_GetError () for more information.
This function is available since SDL 3.2.0.
•(3), SDL_GetJoystickBall(3), •(3), SDL_GetNumJoystickAxes(3), •(3), SDL_GetNumJoystickButtons(3), •(3), SDL_GetNumJoystickHats(3)
| SDL 3.2.10 | Simple Directmedia Layer |