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102 lines
3.8 KiB
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<A HREF="FSOUND.html#Functions"><H5>[API function]</A></H5>
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<H2><A NAME="FSOUND_3D_SetAttributes">FSOUND_3D_SetAttributes</A></H2>
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This updates the position and velocity of a 3d sound playing on a channel.<BR>
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<P>
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<B>signed char F_API </B><B> </B><B>FSOUND_3D_SetAttributes</B><B>(</B><BR>
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<B>int </B><B> </B><I>channel</I><B>,</B><BR>
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<B>const F_FLOAT_API *</B><I>pos</I><B>,</B><BR>
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<B>const F_FLOAT_API *</B><I>vel</I><BR>
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<B>);</B><BR>
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<H3>Parameters</H3>
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<TABLE>
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<TR VALIGN=top><TD><I>channel</I></TD>
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<TD>Channel you want to apply 3d positioning to.<BR>
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</TD><TR VALIGN=top><TD><I>pos</I></TD>
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<TD>Pointer to a position vector (xyz float triplet) of the emitter in world space, measured in distance units.<BR>
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This can be NULL to ignore it.<BR>
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</TD><TR VALIGN=top><TD><I>vel</I></TD>
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<TD>Pointer to a velocity vector (xyz float triplet), of the emitter measured in distance units PER SECOND.<BR>
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This can be NULL to ignore it.<BR>
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</TD></TABLE>
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<H3>Return Value</H3>
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On success, TRUE is returned.<BR>
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On failure, FALSE is returned.<BR>
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<H3>Remarks</H3>
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FSOUND treats +X as right, +Y as up, and +Z as forwards.<BR>
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---------<BR>
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A 'distance unit' is specified by FSOUND_3D_SetDistanceFactor. By default this is set to meters which is a distance scale of 1.0. <BR>
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See FSOUND_3D_SetDistanceFactor for more on this.<BR>
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---------<BR>
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FSOUND vectors expect 3 floats representing x y and z in that order. I.e. a typical definition<BR>
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of a vector is<BR>
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typedef struct<BR>
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{<BR>
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float x;<BR>
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float y;<BR>
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float z;<BR>
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} VECTOR;<BR>
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or simply an array of 3 floats.<BR>
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___________________<BR>
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Supported on the following platforms : Win32, WinCE, Linux, Macintosh, XBox, PlayStation 2, GameCube<BR>
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<H3>See Also</H3>
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<A HREF="FSOUND_3D_GetAttributes.html">FSOUND_3D_GetAttributes</A>
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,
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<A HREF="FSOUND_3D_GetMinMaxDistance.html">FSOUND_3D_GetMinMaxDistance</A>
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,
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<A HREF="FSOUND_3D_Listener_GetAttributes.html">FSOUND_3D_Listener_GetAttributes</A>
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,
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<A HREF="FSOUND_3D_Listener_SetAttributes.html">FSOUND_3D_Listener_SetAttributes</A>
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,
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<A HREF="FSOUND_3D_Listener_SetCurrent.html">FSOUND_3D_Listener_SetCurrent</A>
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,
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<A HREF="FSOUND_3D_SetAttributes.html">FSOUND_3D_SetAttributes</A>
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,
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<A HREF="FSOUND_3D_SetDistanceFactor.html">FSOUND_3D_SetDistanceFactor</A>
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,
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<A HREF="FSOUND_3D_SetMinMaxDistance.html">FSOUND_3D_SetMinMaxDistance</A>
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,
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<A HREF="FSOUND_3D_SetRolloffFactor.html">FSOUND_3D_SetRolloffFactor</A>
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,
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<A HREF="FSOUND_Sample_SetMinMaxDistance.html">FSOUND_Sample_SetMinMaxDistance</A>
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,
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<A HREF="FSOUND_Update.html">FSOUND_Update</A>
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<HR><BR><FONT SIZE="-2">This document copyright ©Firelight Technologies, Pty, Ltd, 1999-2002. All rights reserved.</FONT><BR>
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<FONT SIZE="-2">Generated Thu Dec 15 17:31:27 2005
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