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Set the global gain of the specified haptic device.


int SDL_HapticSetGain(SDL_Haptic * haptic, int gain);

Function Parameters


the SDL_Haptic device to set the gain on


value to set the gain to, should be between 0 and 100 (0 - 100)

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.


Device must support the SDL_HAPTIC_GAIN feature.

The user may specify the maximum gain by setting the environment variable SDL_HAPTIC_GAIN_MAX which should be between 0 and 100. All calls to SDL_HapticSetGain() will scale linearly using SDL_HAPTIC_GAIN_MAX as the maximum.


This function is available since SDL 2.0.0.


CategoryAPI, CategoryForceFeedback, CategoryDraft

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