###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable version.) # SDL_JoystickRumble Start a rumble effect. ## Header File Defined in [SDL_joystick.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_joystick.h) ## Syntax ```c int SDL_JoystickRumble(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms); ``` ## Function Parameters | | | | | ------------------------------ | ------------------------- | --------------------------------------------------------------------------- | | [SDL_Joystick](SDL_Joystick) * | **joystick** | The joystick to vibrate. | | [Uint16](Uint16) | **low_frequency_rumble** | The intensity of the low frequency (left) rumble motor, from 0 to 0xFFFF. | | [Uint16](Uint16) | **high_frequency_rumble** | The intensity of the high frequency (right) rumble motor, from 0 to 0xFFFF. | | [Uint32](Uint32) | **duration_ms** | The duration of the rumble effect, in milliseconds. | ## Return Value (int) Returns 0, or -1 if rumble isn't supported on this joystick. ## Remarks Each call to this function cancels any previous rumble effect, and calling it with 0 intensity stops any rumbling. ## Version This function is available since SDL 2.0.9. ## See Also - [SDL_JoystickHasRumble](SDL_JoystickHasRumble) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryJoystick](CategoryJoystick)