1al_rumble_haptic(3)                                        al_rumble_haptic(3)
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NAME

6       al_rumble_haptic - Allegro 5 API
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SYNOPSIS

9              #include <allegro5/allegro.h>
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11              bool al_rumble_haptic(ALLEGRO_HAPTIC *hap,
12                 double intensity, double duration, ALLEGRO_HAPTIC_EFFECT_ID *id)
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DESCRIPTION

15       Uploads a simple rumble effect to the haptic device and starts playback
16       immediately.  The parameter intensity is a relative  magnitude  between
17       0.0  and  1.0  that determines the intensity of the rumble effect.  The
18       duration determines the duration of the effect in seconds.
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20       You must also pass in a pointer to a user allocated  ALLEGRO_HAPTIC_EF‐
21       FECT_ID(3).  It it is stored a reference to be used to control playback
22       of the effect.  Returns true if the rumble effect was successfully  up‐
23       loaded and started, false if not.
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25       In  case false is returned, the rumble effect will be automatically re‐
26       leased as if al_release_haptic_effect(3) had been called, so  there  is
27       no  need  to  call it again manually in this case.  However, if true is
28       returned, it is necessary to call al_release_haptic_effect(3) when  the
29       effect isn’t needed anymore, to prevent the amount of available effects
30       on the haptic device from running out.
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SINCE

33       5.1.8
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35              [Unstable API]: Perhaps could be simplified due to limited  sup‐
36              port  for  all the exposed features across all of the platforms.
37              Awaiting feedback from users.
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41Allegro reference manual                                   al_rumble_haptic(3)
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