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  75 >SDL_JoystickGetAxis</H1
  76 ><DIV
  77 CLASS="REFNAMEDIV"
  78 ><A
  79 NAME="AEN6320"
  80 ></A
  81 ><H2
  82 >Name</H2
  83 >SDL_JoystickGetAxis&nbsp;--&nbsp;Get the current state of an axis</DIV
  84 ><DIV
  85 CLASS="REFSYNOPSISDIV"
  86 ><A
  87 NAME="AEN6323"
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  89 ><H2
  90 >Synopsis</H2
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  98 ><PRE
  99 CLASS="FUNCSYNOPSISINFO"
 100 >#include "SDL.h"</PRE
 101 ><P
 102 ><CODE
 103 ><CODE
 104 CLASS="FUNCDEF"
 105 >Sint16 <B
 106 CLASS="FSFUNC"
 107 >SDL_JoystickGetAxis</B
 108 ></CODE
 109 >(SDL_Joystick *joystick, int axis);</CODE
 110 ></P
 111 ><P
 112 ></P
 113 ></DIV
 114 ></DIV
 115 ><DIV
 116 CLASS="REFSECT1"
 117 ><A
 118 NAME="AEN6330"
 119 ></A
 120 ><H2
 121 >Description</H2
 122 ><P
 123 ><TT
 124 CLASS="FUNCTION"
 125 >SDL_JoystickGetAxis</TT
 126 > returns the current state of the given <TT
 127 CLASS="PARAMETER"
 128 ><I
 129 >axis</I
 130 ></TT
 131 > on the given <TT
 132 CLASS="PARAMETER"
 133 ><I
 134 >joystick</I
 135 ></TT
 136 >.</P
 137 ><P
 138 >On most modern joysticks the X axis is usually represented by <TT
 139 CLASS="PARAMETER"
 140 ><I
 141 >axis</I
 142 ></TT
 143 > 0 and the Y axis by <TT
 144 CLASS="PARAMETER"
 145 ><I
 146 >axis</I
 147 ></TT
 148 > 1. The value returned by <TT
 149 CLASS="FUNCTION"
 150 >SDL_JoystickGetAxis</TT
 151 > is a signed integer (-32768 to 32768) representing the current position of the <TT
 152 CLASS="PARAMETER"
 153 ><I
 154 >axis</I
 155 ></TT
 156 >, 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.</P
 157 ></DIV
 158 ><DIV
 159 CLASS="REFSECT1"
 160 ><A
 161 NAME="AEN6341"
 162 ></A
 163 ><H2
 164 >Return Value</H2
 165 ><P
 166 >Returns a 16-bit signed integer representing the current position of the <TT
 167 CLASS="PARAMETER"
 168 ><I
 169 >axis</I
 170 ></TT
 171 >.</P
 172 ></DIV
 173 ><DIV
 174 CLASS="REFSECT1"
 175 ><A
 176 NAME="AEN6345"
 177 ></A
 178 ><H2
 179 >Examples</H2
 180 ><P
 181 ><PRE
 182 CLASS="PROGRAMLISTING"
 183 >Sint16 x_move, y_move;
 184 SDL_Joystick *joy1;
 185 .
 186 .
 187 x_move=SDL_JoystickGetAxis(joy1, 0);
 188 y_move=SDL_JoystickGetAxis(joy1, 1);</PRE
 189 ></P
 190 ></DIV
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 192 CLASS="REFSECT1"
 193 ><A
 194 NAME="AEN6349"
 195 ></A
 196 ><H2
 197 >See Also</H2
 198 ><P
 199 ><A
 200 HREF="sdljoysticknumaxes.html"
 201 ><TT
 202 CLASS="FUNCTION"
 203 >SDL_JoystickNumAxes</TT
 204 ></A
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