DRAFT |
SDL_JoystickOpen
Use this function to open a joystick for use.
Contents
Syntax
SDL_Joystick* SDL_JoystickOpen(int device_index)
Function Parameters
device_index |
the index of the joystick to query |
Return Value
A joystick identifier, or NULL if an error occurred.
Code Examples
SDL_Joystick *joy;
// Initialize the joystick subsystem
SDL_InitSubSystem(SDL_INIT_JOYSTICK);
// Check for joystick
if(SDL_NumJoysticks()>0){
// Open joystick
joy=SDL_JoystickOpen(0);
if(joy)
{
printf("Opened Joystick 0\n");
printf("Name: %s\n", SDL_JoystickName(0));
printf("Number of Axes: %d\n", SDL_JoystickNumAxes(joy));
printf("Number of Buttons: %d\n", SDL_JoystickNumButtons(joy));
printf("Number of Balls: %d\n", SDL_JoystickNumBalls(joy));
}
else
printf("Couldn't open Joystick 0\n");
// Close if opened
if(SDL_JoystickOpened(0))
SDL_JoystickClose(joy);
}
Remarks
The index passed as an argument refers to the N'th joystick on the system. This index is the value which will identify this joystick in future joystick events. green
*
Remember to initialize the joystick subsystem
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Related Functions
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