al_set_haptic_gain - Online Linux Manual PageSection : 3
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Source : Allegro reference manual
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NAMEal_set_haptic_gain − Allegro 5 API

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

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DESCRIPTIONSets 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(3) returns a value that has ALLEGRO_HAPTIC_GAIN(3)ALLEGRO_HAPTIC_CONSTANTS(3) set. If not, this function returns false, and all effects will be played without any gain influence.

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SINCE5.1.8 [Unstable API]: Perhaps could be simplified due to limited support for all the exposed features across all of the platforms. Awaiting feedback from users. 0

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