Set values on an opened, virtual-joystick's axis.
int SDL_JoystickSetVirtualAxis(SDL_Joystick *joystick, int axis, Sint16 value);
|joystick||the virtual joystick on which to set state.|
|axis||the specific axis on the virtual joystick to set.|
|value||the new value for the specified axis.|
Returns 0 on success, -1 on error.
Please note that values set here will not be applied until the next call to SDL_JoystickUpdate, 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.
Note that when sending trigger axes, you should scale the value to the full range of Sint16. For example, a trigger at rest would have the value of
This function is available since SDL 2.0.14.