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al_set_haptic_gain(3alleg5) al_set_haptic_gain(3alleg5)


al_set_haptic_gain - Allegro 5 API


#include <allegro5/allegro.h>
bool al_set_haptic_gain(ALLEGRO_HAPTIC *hap, double gain)


Sets the gain of the haptic device if supported. Gain is much like volume for sound, it is as if every effect’s intensity is multiplied by it. Gain is a value between 0.0 and 1.0. Returns true if set successfully, false if not. Only works if al_get_haptic_capabilities(3alleg5) returns a value that has ALLEGRO_HAPTIC_GAIN(3alleg5)ALLEGRO_HAPTIC_CONSTANTS(3alleg5) set. If not, this function returns false, and all effects will be played without any gain influence.



[Unstable API]: Perhaps could be simplified due to limited support for all the exposed features across all of the platforms. Awaiting feedback from users.

Allegro reference manual