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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_06) on Wed Dec 13 16:20:11 PST 2006 --><TITLE>DistanceAttenuation (Java 3D 1.5.0)</TITLE><META NAME="keywords" CONTENT="com.sun.j3d.utils.audio.DistanceAttenuation class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="DistanceAttenuation (Java 3D 1.5.0)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" 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HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.sun.j3d.utils.audio</FONT><BR>Class DistanceAttenuation</H2><PRE>java.lang.Object <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>com.sun.j3d.utils.audio.DistanceAttenuation</B></PRE><HR><DL><DT><PRE>public class <B>DistanceAttenuation</B><DT>extends java.lang.Object</DL></PRE><P><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../../com/sun/j3d/utils/audio/DistanceAttenuation.html#DistanceAttenuation()">DistanceAttenuation</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></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="../../../../../com/sun/j3d/utils/audio/DistanceAttenuation.html#fillDistanceAttenuation(float, float, float, float, float, float, int, javax.vecmath.Point2f[])">fillDistanceAttenuation</A></B>(float innerRadius, float maxConstantGain, float unitDistance, float unitGain, float outerRadius, float minConstantGain, int curveType, <A HREF="../../../../../javax/vecmath/Point2f.html" title="class in javax.vecmath">Point2f</A>[] distanceAttenuation)</CODE><BR> </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="../../../../../com/sun/j3d/utils/audio/DistanceAttenuation.html#fillDistanceAttenuation(float, float, float, float, int, javax.vecmath.Point2f[])">fillDistanceAttenuation</A></B>(float innerRadius, float maxConstantGain, float unitDistance, float unitGain, int curveType, <A HREF="../../../../../javax/vecmath/Point2f.html" title="class in javax.vecmath">Point2f</A>[] distanceAttenuation)</CODE><BR> </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="../../../../../com/sun/j3d/utils/audio/DistanceAttenuation.html#fillDistanceAttenuation(float, float, javax.vecmath.Point2f[])">fillDistanceAttenuation</A></B>(float unitDistance, float unitGain, <A HREF="../../../../../javax/vecmath/Point2f.html" title="class in javax.vecmath">Point2f</A>[] distanceAttenuation)</CODE><BR> 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> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></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" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="fillDistanceAttenuation(float, float, javax.vecmath.Point2f[])"><!-- --></A><H3>fillDistanceAttenuation</H3><PRE>public void <B>fillDistanceAttenuation</B>(float unitDistance, float unitGain, <A HREF="../../../../../javax/vecmath/Point2f.html" title="class in javax.vecmath">Point2f</A>[] 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 innerRadius, float maxConstantGain, float unitDistance, float unitGain, int curveType, <A HREF="../../../../../javax/vecmath/Point2f.html" title="class in javax.vecmath">Point2f</A>[] 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 innerRadius, float maxConstantGain, float unitDistance, float unitGain, float outerRadius, float minConstantGain, int curveType, <A HREF="../../../../../javax/vecmath/Point2f.html" title="class in javax.vecmath">Point2f</A>[] distanceAttenuation)</PRE><DL><DD><DL></DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" 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