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| poll_joystick(3) | Allegro manual | poll_joystick(3) |
NAME
poll_joystick - Polls the joystick. Allegro game programming library.SYNOPSIS
#include <allegro.h>int poll_joystick();
DESCRIPTION
The 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);
RETURN VALUE
Returns zero on success or a negative number on failure (usually because no joystick driver was installed).SEE ALSO
install_joystick(3), joy(3), num_joysticks(3), exjoy(3)| version 4.4.3 | Allegro |
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