CentOS 7.0 - man page for sdl_joystickgetaxis (centos section 3)
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SDL_JoystickGetAxis(3) SDL API Reference SDL_JoystickGetAxis(3)
SDL_JoystickGetAxis - Get the current state of an axis
Sint16 SDL_JoystickGetAxis(SDL_Joystick *joystick, int axis);
SDL_JoystickGetAxis returns the current state of the given axis on the given joystick.
On most modern joysticks the X axis is usually represented by axis 0 and the Y axis by
axis 1. The value returned by SDL_JoystickGetAxis is a signed integer (-32768 to 32768)
representing the current position of the axis, it maybe necessary to impose certain toler-
ances on these values to account for jitter. It is worth noting that some joysticks use
axes 2 and 3 for extra buttons.
Returns a 16-bit signed integer representing the current position of the axis.
Sint16 x_move, y_move;
SDL Tue 11 Sep 2001, 23:00 SDL_JoystickGetAxis(3)
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