NAME¶

SDL_SetJoystickVirtualAxis - Set values on an opened, virtual-joystick's axis.

SYNOPSIS¶

#include "SDL3/SDL.h"

int SDL_SetJoystickVirtualAxis(SDL_Joystick *joystick, int axis, Sint16 value);

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 .

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

SDL_JOYSTICK_AXIS_MIN .

FUNCTION PARAMETERS¶

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.

RETURN VALUE¶

Returns 0 on success or a negative error code on failure; call

SDL_GetError () for more information.

AVAILABILITY¶

This function is available since SDL 3.0.0.