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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
+<title>NeL: NLSOUND::UListener class Reference</title>
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+</head><body>
+<!-- Generated by Doxygen 1.3.6 -->
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+<h1>NLSOUND::UListener Class Reference</h1><code>#include &lt;<a class="el" href="a06612.html">u_listener.h</a>&gt;</code>
+<p>
+<p>Inheritance diagram for NLSOUND::UListener:
+<p><center><img src="a03933.png" usemap="#NLSOUND::UListener_map" border="0" alt=""></center>
+<map name="NLSOUND::UListener_map">
+<area href="a02768.html" alt="NLSOUND::CListenerUser" shape="rect" coords="0,56,158,80">
+</map>
+<hr><a name="_details"></a><h2>Detailed Description</h2>
+Game interface for listener control.<p>
+For arguments as 3D vectors, use the NeL vector coordinate system: <pre class="fragment"><div>
+ * (top)
+ * z
+ * | y (front)
+ * | /
+ * -----x (right)
+ * </div></pre><dl compact><dt><b>Author:</b></dt><dd>Olivier Cado <p>
+Nevrax France </dd></dl>
+<dl compact><dt><b>Date:</b></dt><dd>2001 </dd></dl>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="a06612.html#l00055">55</a> of file <a class="el" href="a06612.html">u_listener.h</a>.<table border=0 cellpadding=0 cellspacing=0>
+<tr><td></td></tr>
+<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>virtual&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenera0">~UListener</a> ()</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destructor. <a href="#NLSOUND_1_1UListenera0"></a><br><br></td></tr>
+<tr><td colspan="2"><div class="groupHeader">Listener properties</div></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>virtual float&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenerz2135_0">getGain</a> () const=0</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the gain. <a href="#NLSOUND_1_1UListenerz2135_0"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenerz2135_1">getOrientation</a> (<a class="el" href="a03128.html">NLMISC::CVector</a> &amp;front, <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;up) const=0</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the orientation vectors. <a href="#NLSOUND_1_1UListenerz2135_1"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>virtual const <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenerz2135_2">getPos</a> () const=0</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenerz2135_3">getVelocity</a> (<a class="el" href="a03128.html">NLMISC::CVector</a> &amp;vel) const=0</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the velocity vector. <a href="#NLSOUND_1_1UListenerz2135_3"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenerz2135_4">setGain</a> (float gain)=0</td></tr>
+
+<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenerz2135_5">setOrientation</a> (const <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;front, const <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;up)=0</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set the orientation vectors (3D mode only, ignored in stereo mode) (default: (0,1,0), (0,0,1)). <a href="#NLSOUND_1_1UListenerz2135_5"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenerz2135_6">setPos</a> (const <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;pos)=0</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set the position vector (default: (0,0,0)) (3D mode only). <a href="#NLSOUND_1_1UListenerz2135_6"></a><br><br></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenerz2135_7">setVelocity</a> (const <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;vel)=0</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set the velocity vector (3D mode only, ignored in stereo mode) (default: (0,0,0)). <a href="#NLSOUND_1_1UListenerz2135_7"></a><br><br></td></tr>
+<tr><td colspan=2><br><h2>Protected Member Functions</h2></td></tr>
+<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="a03933.html#NLSOUND_1_1UListenerb0">UListener</a> ()</td></tr>
+
+<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor. <a href="#NLSOUND_1_1UListenerb0"></a><br><br></td></tr>
+</table>
+<hr><h2>Constructor &amp; Destructor Documentation</h2>
+<a class="anchor" name="NLSOUND_1_1UListenera0" doxytag="NLSOUND::UListener::~UListener" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> virtual NLSOUND::UListener::~<a class="el" href="a03933.html">UListener</a> </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [inline, virtual]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Destructor.
+<p>
+
+<p>
+Definition at line <a class="el" href="a06612.html#l00087">87</a> of file <a class="el" href="a06612.html">u_listener.h</a>.
+<p>
+<div class="fragment"><pre>00087 {}
+</pre></div> </td>
+ </tr>
+</table>
+<a class="anchor" name="NLSOUND_1_1UListenerb0" doxytag="NLSOUND::UListener::UListener" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> NLSOUND::UListener::UListener </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [inline, protected]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Constructor.
+<p>
+
+<p>
+Definition at line <a class="el" href="a06612.html#l00092">92</a> of file <a class="el" href="a06612.html">u_listener.h</a>.
+<p>
+<div class="fragment"><pre>00092 {}
+</pre></div> </td>
+ </tr>
+</table>
+<hr><h2>Member Function Documentation</h2>
+<a class="anchor" name="NLSOUND_1_1UListenerz2135_0" doxytag="NLSOUND::UListener::getGain" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> virtual float NLSOUND::UListener::getGain </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap> const<code> [pure virtual]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Get the gain.
+<p>
+
+<p>
+Implemented in <a class="el" href="a02768.html#NLSOUND_1_1CListenerUserz1336_0">NLSOUND::CListenerUser</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NLSOUND_1_1UListenerz2135_1" doxytag="NLSOUND::UListener::getOrientation" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> virtual void NLSOUND::UListener::getOrientation </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top"><a class="el" href="a03128.html">NLMISC::CVector</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>front</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap><a class="el" href="a03128.html">NLMISC::CVector</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>up</em></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"> const<code> [pure virtual]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Get the orientation vectors.
+<p>
+
+<p>
+Implemented in <a class="el" href="a02768.html#NLSOUND_1_1CListenerUserz1336_1">NLSOUND::CListenerUser</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NLSOUND_1_1UListenerz2135_2" doxytag="NLSOUND::UListener::getPos" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> virtual const <a class="el" href="a03128.html">NLMISC::CVector</a>&amp; NLSOUND::UListener::getPos </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap> const<code> [pure virtual]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Get the position vector. See <a class="el" href="a03933.html#NLSOUND_1_1UListenerz2135_6">setPos()</a> for details.
+<p>
+Implemented in <a class="el" href="a02768.html#NLSOUND_1_1CListenerUserz1336_2">NLSOUND::CListenerUser</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NLSOUND_1_1UListenerz2135_3" doxytag="NLSOUND::UListener::getVelocity" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> virtual void NLSOUND::UListener::getVelocity </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top"><a class="el" href="a03128.html">NLMISC::CVector</a> &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>vel</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap> const<code> [pure virtual]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Get the velocity vector.
+<p>
+
+<p>
+Implemented in <a class="el" href="a02768.html#NLSOUND_1_1CListenerUserz1336_3">NLSOUND::CListenerUser</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NLSOUND_1_1UListenerz2135_4" doxytag="NLSOUND::UListener::setGain" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> virtual void NLSOUND::UListener::setGain </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">float&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>gain</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [pure virtual]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Set the gain (volume value inside [0 , 1]). (default: 1) 0.0 -&gt; silence 0.5 -&gt; -6dB 1.0 -&gt; no attenuation values &gt; 1 (amplification) not supported by most drivers
+<p>
+Implemented in <a class="el" href="a02768.html#NLSOUND_1_1CListenerUserz1336_4">NLSOUND::CListenerUser</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NLSOUND_1_1UListenerz2135_5" doxytag="NLSOUND::UListener::setOrientation" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> virtual void NLSOUND::UListener::setOrientation </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>front</em>, </td>
+ </tr>
+ <tr>
+ <td class="md" nowrap align="right"></td>
+ <td></td>
+ <td class="md" nowrap>const <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;&nbsp;</td>
+ <td class="mdname" nowrap> <em>up</em></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"><code> [pure virtual]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Set the orientation vectors (3D mode only, ignored in stereo mode) (default: (0,1,0), (0,0,1)).
+<p>
+
+<p>
+Implemented in <a class="el" href="a02768.html#NLSOUND_1_1CListenerUserz1336_5">NLSOUND::CListenerUser</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NLSOUND_1_1UListenerz2135_6" doxytag="NLSOUND::UListener::setPos" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> virtual void NLSOUND::UListener::setPos </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>pos</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [pure virtual]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Set the position vector (default: (0,0,0)) (3D mode only).
+<p>
+
+<p>
+Implemented in <a class="el" href="a02768.html#NLSOUND_1_1CListenerUserz1336_6">NLSOUND::CListenerUser</a>. </td>
+ </tr>
+</table>
+<a class="anchor" name="NLSOUND_1_1UListenerz2135_7" doxytag="NLSOUND::UListener::setVelocity" ></a><p>
+<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
+ <tr>
+ <td class="mdRow">
+ <table cellpadding="0" cellspacing="0" border="0">
+ <tr>
+ <td class="md" nowrap valign="top"> virtual void NLSOUND::UListener::setVelocity </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const <a class="el" href="a03128.html">NLMISC::CVector</a> &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap> <em>vel</em> </td>
+ <td class="md" valign="top">&nbsp;)&nbsp;</td>
+ <td class="md" nowrap><code> [pure virtual]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Set the velocity vector (3D mode only, ignored in stereo mode) (default: (0,0,0)).
+<p>
+
+<p>
+Implemented in <a class="el" href="a02768.html#NLSOUND_1_1CListenerUserz1336_7">NLSOUND::CListenerUser</a>. </td>
+ </tr>
+</table>
+<hr>The documentation for this class was generated from the following file:<ul>
+<li><a class="el" href="a06612.html">u_listener.h</a></ul>
+<hr size="1"><address style="align: right;"><small>Generated on Tue Mar 16 14:53:36 2004 for NeL by
+<a href="http://www.doxygen.org/index.html">
+<img src="doxygen.png" alt="doxygen" align="middle" border=0 >
+</a>1.3.6 </small></address>
+</body>
+</html>