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- <title>"SDL_JoystickGetAxis"("3") manual page</title>
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- <a href='#toc'>Table of Contents</a><p>
-
- <h2><a name='sect0' href='#toc0'>Name</a></h2>
- SDL_JoystickGetAxis- Get the current state of an axis
- <h2><a name='sect1' href='#toc1'>Synopsis</a></h2>
- <p>
- <b>#include
- "SDL.h" <p>
- </b><b>Sint16 <b>SDL_JoystickGetAxis</b></b>(<b>SDL_Joystick *joystick, int axis</b>);
- <h2><a name='sect2' href='#toc2'>Description</a></h2>
- <p>
- <b>SDL_JoystickGetAxis</b>
- returns the current state of the given <b>axis</b> on the given <b>joystick</b>. <p>
- On most
- modern joysticks the X axis is usually represented by <b>axis</b> 0 and the Y
- axis by <b>axis</b> 1. The value returned by <b>SDL_JoystickGetAxis</b> is a signed integer
- (-32768 to 32768) representing the current position of the <b>axis</b>, it maybe
- necessary to impose certain tolerances on these values to account for jitter.
- It is worth noting that some joysticks use axes 2 and 3 for extra buttons.
-
- <h2><a name='sect3' href='#toc3'>Return Value</a></h2>
- <p>
- Returns a 16-bit signed integer representing the current position
- of the <b>axis</b>.
- <h2><a name='sect4' href='#toc4'>Examples</a></h2>
- <p>
- <p>
- <br>
- <pre>CWSint16 x_move, y_move;
- SDL_Joystick *joy1;
- .
- .
- x_move=SDL_JoystickGetAxis(joy1, 0);
- y_move=SDL_JoystickGetAxis(joy1, 1);
- </pre><p>
-
- <h2><a name='sect5' href='#toc5'>See Also</a></h2>
- <p>
- <i><b>SDL_JoystickNumAxes</b></i>
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- <a name='toc'><b>Table of Contents</b></a><p>
- <ul>
- <li><a name='toc0' href='#sect0'>Name</a></li>
- <li><a name='toc1' href='#sect1'>Synopsis</a></li>
- <li><a name='toc2' href='#sect2'>Description</a></li>
- <li><a name='toc3' href='#sect3'>Return Value</a></li>
- <li><a name='toc4' href='#sect4'>Examples</a></li>
- <li><a name='toc5' href='#sect5'>See Also</a></li>
- </ul>
- </body>
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