poll_joystick - Online Linux Manual PageSection : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual

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NAMEpoll_joystick − Polls the joystick. Allegro game programming library.​

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SYNOPSIS#include <allegro.h> int poll_joystick();

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DESCRIPTIONThe joystick handler is not interrupt driven, so you need to call this function every now and again to update the global position values. Example: do { /* Get joystick input */ poll_joystick(); /* Process input for the first joystick */ if (joy[0].button[0].b) first_button_pressed(); if (joy[0].button[1].b) second_button_pressed(); ... } while(!done);

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RETURN VALUEReturns zero on success or a negative number on failure (usually because no joystick driver was installed).

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SEE ALSOinstall_joystick(3), joy(3), num_joysticks(3), exjoy(3) 0

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