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><H1
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>SDL_JoyAxisEvent</H1
><DIV
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><A
NAME="AEN4203"
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><H2
>Name</H2
>SDL_JoyAxisEvent&nbsp;--&nbsp;Joystick axis motion event structure</DIV
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><H2
>Structure Definition</H2
><PRE
CLASS="PROGRAMLISTING"
>typedef struct{
  Uint8 type;
  Uint8 which;
  Uint8 axis;
  Sint16 value;
} SDL_JoyAxisEvent;</PRE
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>Structure Data</H2
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><TT
CLASS="STRUCTFIELD"
><I
>type</I
></TT
></TD
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><TT
CLASS="LITERAL"
>SDL_JOYAXISMOTION</TT
></TD
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><TT
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><I
>which</I
></TT
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>Joystick device index</TD
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><TR
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><TT
CLASS="STRUCTFIELD"
><I
>axis</I
></TT
></TD
><TD
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>Joystick axis index</TD
></TR
><TR
><TD
ALIGN="LEFT"
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><TT
CLASS="STRUCTFIELD"
><I
>value</I
></TT
></TD
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>Axis value (range: -32768 to 32767)</TD
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><H2
>Description</H2
><P
><SPAN
CLASS="STRUCTNAME"
>SDL_JoyAxisEvent</SPAN
> is a member of the <A
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><SPAN
CLASS="STRUCTNAME"
>SDL_Event</SPAN
></A
> union and is used when an event of type <TT
CLASS="LITERAL"
>SDL_JOYAXISMOTION</TT
> is reported.</P
><P
>A <TT
CLASS="LITERAL"
>SDL_JOYAXISMOTION</TT
> event occurs when ever a user moves an axis on the joystick. The field <TT
CLASS="STRUCTFIELD"
><I
>which</I
></TT
> is the index of the joystick that reported the event and <TT
CLASS="STRUCTFIELD"
><I
>axis</I
></TT
> is the index of the axis (for a more detailed explaination see the <A
HREF="joystick.html"
>Joystick section</A
>). <TT
CLASS="STRUCTFIELD"
><I
>value</I
></TT
> is the current position of the axis.</P
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><H2
>See Also</H2
><P
><A
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><SPAN
CLASS="STRUCTNAME"
>SDL_Event</SPAN
></A
>,
<A
HREF="joystick.html"
>Joystick Functions</A
>,
<A
HREF="sdljoystickeventstate.html"
><TT
CLASS="FUNCTION"
>SDL_JoystickEventState</TT
></A
>,
<A
HREF="sdljoystickgetaxis.html"
><TT
CLASS="FUNCTION"
>SDL_JoystickGetAxis</TT
></A
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author	Bob Pendleton <bob@pendleton.com>
date	Tue, 04 Mar 2008 23:09:28 +0000
parents	355632dca928
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