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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Sun Jun 23 01:50:15 PDT 2002 --><TITLE>BackgroundSound (Java 3D API)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><SCRIPT>function asd(){parent.document.title="BackgroundSound (Java 3D API)";}</SCRIPT><BODY BGCOLOR="white" onload="asd();"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../javax/media/j3d/Background.html"><B>PREV CLASS</B></A> <A HREF="../../../javax/media/j3d/Behavior.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="BackgroundSound.html" TARGET="_top"><B>NO FRAMES</B></A> <SCRIPT> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT><A HREF="../../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#fields_inherited_from_class_javax.media.j3d.Sound">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.media.j3d</FONT><BR>Class BackgroundSound</H2><PRE>java.lang.Object | +--<A HREF="../../../javax/media/j3d/SceneGraphObject.html">javax.media.j3d.SceneGraphObject</A> | +--<A HREF="../../../javax/media/j3d/Node.html">javax.media.j3d.Node</A> | +--<A HREF="../../../javax/media/j3d/Leaf.html">javax.media.j3d.Leaf</A> | +--<A HREF="../../../javax/media/j3d/Sound.html">javax.media.j3d.Sound</A> | +--<B>javax.media.j3d.BackgroundSound</B></PRE><HR><DL><DT>public class <B>BackgroundSound</B><DT>extends <A HREF="../../../javax/media/j3d/Sound.html">Sound</A></DL><P>A BackgroundSound node defines an unattenuated, nonspatialized sound source that has no position or direction. It has the same attributes as a Sound node. This type of sound is simply added to the sound mix without modification and is useful for playing a mono or stereo music track, or an ambient sound effect. Unlike a Background (visual) node, more than one BackgroundSound node can be simultaneously enabled and active.<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR></TABLE> <A NAME="fields_inherited_from_class_javax.media.j3d.Sound"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class javax.media.j3d.<A HREF="../../../javax/media/j3d/Sound.html">Sound</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/media/j3d/Sound.html#ALLOW_CHANNELS_USED_READ">ALLOW_CHANNELS_USED_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_CONT_PLAY_READ">ALLOW_CONT_PLAY_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_CONT_PLAY_WRITE">ALLOW_CONT_PLAY_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_DURATION_READ">ALLOW_DURATION_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_ENABLE_READ">ALLOW_ENABLE_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_ENABLE_WRITE">ALLOW_ENABLE_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_INITIAL_GAIN_READ">ALLOW_INITIAL_GAIN_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_INITIAL_GAIN_WRITE">ALLOW_INITIAL_GAIN_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_IS_PLAYING_READ">ALLOW_IS_PLAYING_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_IS_READY_READ">ALLOW_IS_READY_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_LOOP_READ">ALLOW_LOOP_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_LOOP_WRITE">ALLOW_LOOP_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_MUTE_READ">ALLOW_MUTE_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_MUTE_WRITE">ALLOW_MUTE_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_PAUSE_READ">ALLOW_PAUSE_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_PAUSE_WRITE">ALLOW_PAUSE_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_PRIORITY_READ">ALLOW_PRIORITY_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_PRIORITY_WRITE">ALLOW_PRIORITY_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_RATE_SCALE_FACTOR_READ">ALLOW_RATE_SCALE_FACTOR_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_RATE_SCALE_FACTOR_WRITE">ALLOW_RATE_SCALE_FACTOR_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_RELEASE_READ">ALLOW_RELEASE_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_RELEASE_WRITE">ALLOW_RELEASE_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_SCHEDULING_BOUNDS_READ">ALLOW_SCHEDULING_BOUNDS_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_SCHEDULING_BOUNDS_WRITE">ALLOW_SCHEDULING_BOUNDS_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_SOUND_DATA_READ">ALLOW_SOUND_DATA_READ</A>, <A HREF="../../../javax/media/j3d/Sound.html#ALLOW_SOUND_DATA_WRITE">ALLOW_SOUND_DATA_WRITE</A>, <A HREF="../../../javax/media/j3d/Sound.html#DURATION_UNKNOWN">DURATION_UNKNOWN</A>, <A HREF="../../../javax/media/j3d/Sound.html#INFINITE_LOOPS">INFINITE_LOOPS</A>, <A HREF="../../../javax/media/j3d/Sound.html#NO_FILTER">NO_FILTER</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_javax.media.j3d.Node"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class javax.media.j3d.<A HREF="../../../javax/media/j3d/Node.html">Node</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/media/j3d/Node.html#ALLOW_AUTO_COMPUTE_BOUNDS_READ">ALLOW_AUTO_COMPUTE_BOUNDS_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_AUTO_COMPUTE_BOUNDS_WRITE">ALLOW_AUTO_COMPUTE_BOUNDS_WRITE</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_BOUNDS_READ">ALLOW_BOUNDS_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_BOUNDS_WRITE">ALLOW_BOUNDS_WRITE</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_COLLIDABLE_READ">ALLOW_COLLIDABLE_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_COLLIDABLE_WRITE">ALLOW_COLLIDABLE_WRITE</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_LOCAL_TO_VWORLD_READ">ALLOW_LOCAL_TO_VWORLD_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_PICKABLE_READ">ALLOW_PICKABLE_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_PICKABLE_WRITE">ALLOW_PICKABLE_WRITE</A>, <A HREF="../../../javax/media/j3d/Node.html#ENABLE_COLLISION_REPORTING">ENABLE_COLLISION_REPORTING</A>, <A HREF="../../../javax/media/j3d/Node.html#ENABLE_PICK_REPORTING">ENABLE_PICK_REPORTING</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/media/j3d/BackgroundSound.html#BackgroundSound()">BackgroundSound</A></B>()</CODE><BR> Constructs a new BackgroundSound node using the default parameters for Sound nodes.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/media/j3d/BackgroundSound.html#BackgroundSound(javax.media.j3d.MediaContainer, float)">BackgroundSound</A></B>(<A HREF="../../../javax/media/j3d/MediaContainer.html">MediaContainer</A> soundData, float initialGain)</CODE><BR> Constructs a BackgroundSound node object using only the provided parameter values for sound data and sample gain.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/media/j3d/BackgroundSound.html#BackgroundSound(javax.media.j3d.MediaContainer, float, int, boolean, boolean, boolean, javax.media.j3d.Bounds, float)">BackgroundSound</A></B>(<A HREF="../../../javax/media/j3d/MediaContainer.html">MediaContainer</A> soundData, float initialGain, int loopCount, boolean release, boolean continuous, boolean enable, <A HREF="../../../javax/media/j3d/Bounds.html">Bounds</A> region, float priority)</CODE><BR> Constructs a BackgroundSound object accepting all the parameters associated with a Sound node.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/media/j3d/Node.html">Node</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/BackgroundSound.html#cloneNode(boolean)">cloneNode</A></B>(boolean forceDuplicate)</CODE><BR> Creates a new instance of the node.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/BackgroundSound.html#duplicateNode(javax.media.j3d.Node, boolean)">duplicateNode</A></B>(<A HREF="../../../javax/media/j3d/Node.html">Node</A> originalNode, boolean forceDuplicate)</CODE><BR> Copies all node information from <code>originalNode</code> into the current node.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_javax.media.j3d.Sound"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class javax.media.j3d.<A HREF="../../../javax/media/j3d/Sound.html">Sound</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/media/j3d/Sound.html#getContinuousEnable()">getContinuousEnable</A>, <A HREF="../../../javax/media/j3d/Sound.html#getDuration()">getDuration</A>, <A HREF="../../../javax/media/j3d/Sound.html#getEnable()">getEnable</A>, <A HREF="../../../javax/media/j3d/Sound.html#getInitialGain()">getInitialGain</A>, <A HREF="../../../javax/media/j3d/Sound.html#getLoop()">getLoop</A>, <A HREF="../../../javax/media/j3d/Sound.html#getMute()">getMute</A>, <A HREF="../../../javax/media/j3d/Sound.html#getNumberOfChannelsUsed()">getNumberOfChannelsUsed</A>, <A HREF="../../../javax/media/j3d/Sound.html#getNumberOfChannelsUsed(javax.media.j3d.View)">getNumberOfChannelsUsed</A>, <A HREF="../../../javax/media/j3d/Sound.html#getPause()">getPause</A>, <A HREF="../../../javax/media/j3d/Sound.html#getPriority()">getPriority</A>, <A HREF="../../../javax/media/j3d/Sound.html#getRateScaleFactor()">getRateScaleFactor</A>, <A HREF="../../../javax/media/j3d/Sound.html#getReleaseEnable()">getReleaseEnable</A>, <A HREF="../../../javax/media/j3d/Sound.html#getSchedulingBoundingLeaf()">getSchedulingBoundingLeaf</A>, <A HREF="../../../javax/media/j3d/Sound.html#getSchedulingBounds()">getSchedulingBounds</A>, <A HREF="../../../javax/media/j3d/Sound.html#getSoundData()">getSoundData</A>, <A HREF="../../../javax/media/j3d/Sound.html#isPlaying()">isPlaying</A>, <A HREF="../../../javax/media/j3d/Sound.html#isPlaying(javax.media.j3d.View)">isPlaying</A>, <A HREF="../../../javax/media/j3d/Sound.html#isPlayingSilently()">isPlayingSilently</A>, <A HREF="../../../javax/media/j3d/Sound.html#isPlayingSilently(javax.media.j3d.View)">isPlayingSilently</A>, <A HREF="../../../javax/media/j3d/Sound.html#isReady()">isReady</A>, <A HREF="../../../javax/media/j3d/Sound.html#isReady(javax.media.j3d.View)">isReady</A>, <A HREF="../../../javax/media/j3d/Sound.html#setContinuousEnable(boolean)">setContinuousEnable</A>, <A HREF="../../../javax/media/j3d/Sound.html#setEnable(boolean)">setEnable</A>, <A HREF="../../../javax/media/j3d/Sound.html#setInitialGain(float)">setInitialGain</A>, <A HREF="../../../javax/media/j3d/Sound.html#setLoop(int)">setLoop</A>, <A HREF="../../../javax/media/j3d/Sound.html#setMute(boolean)">setMute</A>, <A HREF="../../../javax/media/j3d/Sound.html#setPause(boolean)">setPause</A>, <A HREF="../../../javax/media/j3d/Sound.html#setPriority(float)">setPriority</A>, <A HREF="../../../javax/media/j3d/Sound.html#setRateScaleFactor(float)">setRateScaleFactor</A>, <A HREF="../../../javax/media/j3d/Sound.html#setReleaseEnable(boolean)">setReleaseEnable</A>, <A HREF="../../../javax/media/j3d/Sound.html#setSchedulingBoundingLeaf(javax.media.j3d.BoundingLeaf)">setSchedulingBoundingLeaf</A>, <A HREF="../../../javax/media/j3d/Sound.html#setSchedulingBounds(javax.media.j3d.Bounds)">setSchedulingBounds</A>, <A HREF="../../../javax/media/j3d/Sound.html#setSoundData(javax.media.j3d.MediaContainer)">setSoundData</A>, <A HREF="../../../javax/media/j3d/Sound.html#updateNodeReferences(javax.media.j3d.NodeReferenceTable)">updateNodeReferences</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_javax.media.j3d.Node"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">⌨️ 快捷键说明
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