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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 Fri Apr 18 11:16:47 PDT 2003 --><TITLE>DistanceAttenuation (Java 3D API)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"></HEAD><SCRIPT>function asd(){parent.document.title="DistanceAttenuation (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>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A 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CLASS="NavBarCell2"><FONT SIZE="-2">  <A HREF="../../../../../index.html" TARGET="_top"><B>FRAMES</B></A>  &nbsp;&nbsp;<A HREF="DistanceAttenuation.html" TARGET="_top"><B>NO FRAMES</B></A>  &nbsp;&nbsp;<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:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.sun.j3d.utils.audio</FONT><BR>Class  DistanceAttenuation</H2><PRE>java.lang.Object  |  +--<B>com.sun.j3d.utils.audio.DistanceAttenuation</B></PRE><HR><DL><DT>public class <B>DistanceAttenuation</B><DT>extends java.lang.Object</DL><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== 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="../../../../../com/sun/j3d/utils/audio/DistanceAttenuation.html#DistanceAttenuation()">DistanceAttenuation</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR></TABLE>&nbsp;<!-- ========== 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>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/sun/j3d/utils/audio/DistanceAttenuation.html#fillDistanceAttenuation(float, float, float, float, float, float, int, javax.vecmath.Point2f[])">fillDistanceAttenuation</A></B>(float&nbsp;innerRadius,                        float&nbsp;maxConstantGain,                        float&nbsp;unitDistance,                        float&nbsp;unitGain,                        float&nbsp;outerRadius,                        float&nbsp;minConstantGain,                        int&nbsp;curveType,                        <A HREF="../../../../../javax/vecmath/Point2f.html">Point2f</A>[]&nbsp;distanceAttenuation)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/sun/j3d/utils/audio/DistanceAttenuation.html#fillDistanceAttenuation(float, float, float, float, int, javax.vecmath.Point2f[])">fillDistanceAttenuation</A></B>(float&nbsp;innerRadius,                        float&nbsp;maxConstantGain,                        float&nbsp;unitDistance,                        float&nbsp;unitGain,                        int&nbsp;curveType,                        <A HREF="../../../../../javax/vecmath/Point2f.html">Point2f</A>[]&nbsp;distanceAttenuation)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/sun/j3d/utils/audio/DistanceAttenuation.html#fillDistanceAttenuation(float, float, javax.vecmath.Point2f[])">fillDistanceAttenuation</A></B>(float&nbsp;unitDistance,                        float&nbsp;unitGain,                        <A HREF="../../../../../javax/vecmath/Point2f.html">Point2f</A>[]&nbsp;distanceAttenuation)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Fill a Distance Attenuation array recommend that the distance attenuation Point2f array is defined to be allocated to be 10 for DOUBLE_DISTANCE_HALF_GAIN - since 1/(2^10) exceeds 1/1000 scale that is agreed to be affective zero gain  First method assumes that:    type is half gain for every double of distance    inner radius is 0.0 but region between 0th and 1st elements is constant         since gains for these two elements are the same    min gain approches zero.</TD></TR></TABLE>&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE>&nbsp;<P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="DistanceAttenuation()"><!-- --></A><H3>DistanceAttenuation</H3><PRE>public <B>DistanceAttenuation</B>()</PRE><DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="fillDistanceAttenuation(float, float, javax.vecmath.Point2f[])"><!-- --></A><H3>fillDistanceAttenuation</H3><PRE>public void <B>fillDistanceAttenuation</B>(float&nbsp;unitDistance,                                    float&nbsp;unitGain,                                    <A HREF="../../../../../javax/vecmath/Point2f.html">Point2f</A>[]&nbsp;distanceAttenuation)</PRE><DL><DD>Fill a Distance Attenuation array recommend that the distance attenuation Point2f array is defined to be allocated to be 10 for DOUBLE_DISTANCE_HALF_GAIN - since 1/(2^10) exceeds 1/1000 scale that is agreed to be affective zero gain  First method assumes that:    type is half gain for every double of distance    inner radius is 0.0 but region between 0th and 1st elements is constant         since gains for these two elements are the same    min gain approches zero.<P><DD><DL></DL></DD></DL><HR><A NAME="fillDistanceAttenuation(float, float, float, float, int, javax.vecmath.Point2f[])"><!-- --></A><H3>fillDistanceAttenuation</H3><PRE>public void <B>fillDistanceAttenuation</B>(float&nbsp;innerRadius,                                    float&nbsp;maxConstantGain,                                    float&nbsp;unitDistance,                                    float&nbsp;unitGain,                                    int&nbsp;curveType,                                    <A HREF="../../../../../javax/vecmath/Point2f.html">Point2f</A>[]&nbsp;distanceAttenuation)</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="fillDistanceAttenuation(float, float, float, float, float, float, int, javax.vecmath.Point2f[])"><!-- --></A><H3>fillDistanceAttenuation</H3><PRE>public void <B>fillDistanceAttenuation</B>(float&nbsp;innerRadius,                                    float&nbsp;maxConstantGain,                                    float&nbsp;unitDistance,                                    float&nbsp;unitGain,                                    float&nbsp;outerRadius,                                    float&nbsp;minConstantGain,                                    int&nbsp;curveType,                                    <A HREF="../../../../../javax/vecmath/Point2f.html">Point2f</A>[]&nbsp;distanceAttenuation)</PRE><DL><DD><DL></DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_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>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A 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