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7    <title>SetTrackSurroundPan</title>
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10    <h1>nw::snd::StreamSoundHandle::SetTrackSurroundPan Member Function</h1>
11    <h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">#include &lt;nw/snd/snd_StreamSoundHandle.h&gt;
14
15void SetTrackSurroundPan(
16     <span>u32</span> trackBitFlag,
17     <span>f32</span> surroundPan
18);
19</pre>
20    </div>
21    <h2>Arguments</h2>
22    <div class="section">
23      <table class="arguments">
24        <thead>
25          <tr>
26            <td width="15" />
27            <th>Name</th>
28            <td>Description</td>
29          </tr>
30        </thead>
31        <tr>
32          <td>in</td>
33          <th>trackBitFlag</th>
34          <td>Bit flag for each track.</td>
35        </tr>
36        <tr>
37          <td>in</td>
38          <th>surroundPan</th>
39          <td>Relative change in the surround pan, taking 0.0 as a reference point.</td>
40        </tr> </table>
41    </div>
42    <h2>Return Values</h2>
43    <div class="section">
44                None.
45               </div>
46    <h2>Description</h2>
47    <div class="section">
48      <p>Changes the surround pan (front-back position) of a track in a stream sound.</p><p>Changes the surround pan of a stream track in the sound associated with the handle. If the handle is invalid, the function does nothing.</p><p>The value specified by this function operates independently of other surround pan parameters, which are all layered.</p><p>The trackBitFlag argument specifies the track. Tracks are identified from the lower bit in sequence; for example, Track 0, Track 1, Track 2 and so on. The silent status will change for all tracks with enabled bits. For example, to change the silent status of Track 2 and Track 5, use  (1 &lt;&lt; 2) | (1 &lt;&lt; 5); i.e., 0x0024.</p><p>surroundPan specifies a value representing the relative change in the location of the sound. Pitch does not change when 0.0 is specified. If 1.0 is specified, a sound located in the center is relocated to the front. If 2.0 is specified, a sound located in the center is relocated to the back. Specify a negative number if you wish to move the location toward the front. The default value is 0.0.</p></div>
49    <h2>Revision History</h2>
50    <div class="section">
51      <dl class="history">
52        <dt>2010/08/16</dt>
53        <dd>Initial version.<br />
54        </dd>
55      </dl>
56    </div>
57  <hr><p>CONFIDENTIAL</p></body>
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