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Draft

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SDL_JoystickNumBalls

Get the number of trackballs on a joystick.

Syntax

int SDL_JoystickNumBalls(SDL_Joystick *joystick);

Function Parameters

joystick

an SDL_Joystick structure containing joystick information

Return Value

Returns the number of trackballs on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

Joystick trackballs have only relative motion events associated with them and their state cannot be polled.

Most joysticks do not have trackballs.

SDL_JoystickGetBall

CategoryAPI, CategoryJoystick, CategoryDraft


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