SDL_SetJoystickVirtualBall - Generate ball motion on an opened virtual joystick.
Contents
Availability
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.10 SDL_SetJoystickVirtualBall(3)
Description
Please note that values set here will not be applied until the next call to
SDL_UpdateJoysticks , which can either be called directly, or can be called indirectly through various
other SDL APIs, including, but not limited to the following:
SDL_PollEvent , SDL_PumpEvents ,
SDL_WaitEventTimeout ,
SDL_WaitEvent .
Function Parameters
joystick
the virtual joystick on which to set state.
ball the index of the ball on the virtual joystick to update.
xrel the relative motion on the X axis.
yrel the relative motion on the Y axis.
Header File
Defined in SDL3/SDL_joystick.h
Name
SDL_SetJoystickVirtualBall - Generate ball motion on an opened virtual joystick.
Return Value
Returns true on success or false on failure; call
SDL_GetError () for more information.
Synopsis
#include"SDL3/SDL.h"boolSDL_SetJoystickVirtualBall(SDL_Joystick*joystick,intball,Sint16xrel,Sint16yrel);
