(This is the legacy documentation for SDL2, the previous stable version; SDL3 is the current stable version.)

SDL_GameControllerAxis

The list of axes available from a controller

Header File

Defined in SDL_gamecontroller.h

Syntax

typedef enum SDL_GameControllerAxis
{
    SDL_CONTROLLER_AXIS_INVALID = -1,
    SDL_CONTROLLER_AXIS_LEFTX,
    SDL_CONTROLLER_AXIS_LEFTY,
    SDL_CONTROLLER_AXIS_RIGHTX,
    SDL_CONTROLLER_AXIS_RIGHTY,
    SDL_CONTROLLER_AXIS_TRIGGERLEFT,
    SDL_CONTROLLER_AXIS_TRIGGERRIGHT,
    SDL_CONTROLLER_AXIS_MAX
} SDL_GameControllerAxis;

Remarks

Thumbstick axis values range from SDL_JOYSTICK_AXIS_MIN to SDL_JOYSTICK_AXIS_MAX, and are centered within ~8000 of zero, though advanced UI will allow users to set or autodetect the dead zone, which varies between controllers.

Trigger axis values range from 0 (released) to SDL_JOYSTICK_AXIS_MAX (fully pressed) when reported by SDL_GameControllerGetAxis(). Note that this is not the same range that will be reported by the lower-level SDL_GetJoystickAxis().

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CategoryAPI, CategoryAPIEnum, CategoryGameController

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