SDL_JoystickOpen

Langue: en

Autres versions - même langue

Version: 121971 (mandriva - 01/05/08)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

SDL_JoystickOpen - Opens a joystick for use.

SYNOPSIS

#include "SDL.h"

SDL_Joystick *SDL_JoystickOpen(int index);

DESCRIPTION

Opens a joystick for use within SDL. The index refers to the N'th joystick in the system. A joystick must be opened before it game be used.

RETURN VALUE

Returns a SDL_Joystick structure on success. NULL on failure.

EXAMPLES

 SDL_Joystick *joy;
 // Check for joystick
 if(SDL_NumJoysticks()>0){
   // Open joystick
   joy=SDL_JoystickOpen(0);
   
   if(joy)
   {
     printf("Opened Joystick 0
 ");
     printf("Name: %s
 ", SDL_JoystickName(0));
     printf("Number of Axes: %d
 ", SDL_JoystickNumAxes(joy));
     printf("Number of Buttons: %d
 ", SDL_JoystickNumButtons(joy));
     printf("Number of Balls: %d
 ", SDL_JoystickNumBalls(joy));
   }
   else
     printf("Couldn't open Joystick 0
 ");
   
   // Close if opened
   if(SDL_JoystickOpened(0))
     SDL_JoystickClose(joy);
 }

SEE ALSO

SDL_JoystickClose