SDL_OpenHaptic - Man Page

#include <SDL3/SDL_haptic.h>

SDL_Haptic * SDL_OpenHaptic(SDL_HapticID instance_id);

The index passed as an argument refers to the N'th haptic device on this system.

When opening a haptic device, its gain will be set to maximum and autocenter will be disabled. To modify these values use SDL_SetHapticGain() and SDL_SetHapticAutocenter().

instance_id

the haptic device instance ID.

Returns the device identifier or NULL on failure; call SDL_GetError() for more information.

This function is available since SDL 3.2.0.

SDL_CloseHaptic(3), SDL_GetHaptics(3), SDL_OpenHapticFromJoystick(3), SDL_OpenHapticFromMouse(3), SDL_SetHapticAutocenter(3), SDL_SetHapticGain(3)

SDL_CloseHaptic(3), SDL_GetHapticNameForID(3), SDL_GetHaptics(3), SDL_Haptic.3type(3).