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SDL_JoystickGetBall
Use this function to get the ball axis change since the last poll.
Contents
Syntax
int SDL_JoystickGetBall(SDL_Joystick* joystick,
int ball,
int* dx,
int* dy)
Function Parameters
joystick |
a pointer to a structure containing joystick information ??? |
ball |
the ball indices index; starts at index 0 |
dx |
the difference in the x axis since the last poll |
dy |
the difference in the y axis since the last poll |
Return Value
Returns 0 on success, or -1 if you passed it invalid parameters; call SDL_GetError() for more information.
Code Examples
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Remarks
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