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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 16:20:14 PST 2006 --><TITLE>Quat4f (Java 3D 1.5.0)</TITLE><META NAME="keywords" CONTENT="javax.vecmath.Quat4f class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Quat4f (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" SUMMARY=""> <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/vecmath/Quat4d.html" title="class in javax.vecmath"><B>PREV CLASS</B></A> <A HREF="../../javax/vecmath/SingularMatrixException.html" title="class in javax.vecmath"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?javax/vecmath/Quat4f.html" target="_top"><B>FRAMES</B></A> <A HREF="Quat4f.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../allclasses-noframe.html"><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.vecmath.Tuple4f">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><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.vecmath</FONT><BR>Class Quat4f</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by "><A HREF="../../javax/vecmath/Tuple4f.html" title="class in javax.vecmath">javax.vecmath.Tuple4f</A> <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>javax.vecmath.Quat4f</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, java.lang.Cloneable</DD></DL><HR><DL><DT><PRE>public class <B>Quat4f</B><DT>extends <A HREF="../../javax/vecmath/Tuple4f.html" title="class in javax.vecmath">Tuple4f</A><DT>implements java.io.Serializable</DL></PRE><P>A 4 element unit quaternion represented by single precision floating point x,y,z,w coordinates. The quaternion is always normalized.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../serialized-form.html#javax.vecmath.Quat4f">Serialized Form</A></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_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>Field Summary</B></FONT></TH></TR></TABLE> <A NAME="fields_inherited_from_class_javax.vecmath.Tuple4f"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from class javax.vecmath.<A HREF="../../javax/vecmath/Tuple4f.html" title="class in javax.vecmath">Tuple4f</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../javax/vecmath/Tuple4f.html#w">w</A>, <A HREF="../../javax/vecmath/Tuple4f.html#x">x</A>, <A HREF="../../javax/vecmath/Tuple4f.html#y">y</A>, <A HREF="../../javax/vecmath/Tuple4f.html#z">z</A></CODE></TD></TR></TABLE> <!-- ======== 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="../../javax/vecmath/Quat4f.html#Quat4f()">Quat4f</A></B>()</CODE><BR> Constructs and initializes a Quat4f to (0.0,0.0,0.0,0.0).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Quat4f.html#Quat4f(float[])">Quat4f</A></B>(float[] q)</CODE><BR> Constructs and initializes a Quat4f from the array of length 4.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Quat4f.html#Quat4f(float, float, float, float)">Quat4f</A></B>(float x, float y, float z, float w)</CODE><BR> Constructs and initializes a Quat4f from the specified xyzw coordinates.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Quat4f.html#Quat4f(javax.vecmath.Quat4d)">Quat4f</A></B>(<A HREF="../../javax/vecmath/Quat4d.html" title="class in javax.vecmath">Quat4d</A> q1)</CODE><BR> Constructs and initializes a Quat4f from the specified Quat4d.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Quat4f.html#Quat4f(javax.vecmath.Quat4f)">Quat4f</A></B>(<A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q1)</CODE><BR> Constructs and initializes a Quat4f from the specified Quat4f.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Quat4f.html#Quat4f(javax.vecmath.Tuple4d)">Quat4f</A></B>(<A HREF="../../javax/vecmath/Tuple4d.html" title="class in javax.vecmath">Tuple4d</A> t1)</CODE><BR> Constructs and initializes a Quat4f from the specified Tuple4d.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Quat4f.html#Quat4f(javax.vecmath.Tuple4f)">Quat4f</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html" title="class in javax.vecmath">Tuple4f</A> t1)</CODE><BR> Constructs and initializes a Quat4f from the specified Tuple4f.</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="../../javax/vecmath/Quat4f.html#conjugate()">conjugate</A></B>()</CODE><BR> Sets the value of this quaternion to the conjugate of itself.</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/vecmath/Quat4f.html#conjugate(javax.vecmath.Quat4f)">conjugate</A></B>(<A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q1)</CODE><BR> Sets the value of this quaternion to the conjugate of quaternion q1.</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/vecmath/Quat4f.html#interpolate(javax.vecmath.Quat4f, float)">interpolate</A></B>(<A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q1, float alpha)</CODE><BR> Performs a great circle interpolation between this quaternion and the quaternion parameter and places the result into this quaternion.</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/vecmath/Quat4f.html#interpolate(javax.vecmath.Quat4f, javax.vecmath.Quat4f, float)">interpolate</A></B>(<A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q1, <A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q2, float alpha)</CODE><BR> Performs a great circle interpolation between quaternion q1 and quaternion q2 and places the result into this quaternion.</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/vecmath/Quat4f.html#inverse()">inverse</A></B>()</CODE><BR> Sets the value of this quaternion to the quaternion inverse of itself.</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/vecmath/Quat4f.html#inverse(javax.vecmath.Quat4f)">inverse</A></B>(<A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q1)</CODE><BR> Sets the value of this quaternion to quaternion inverse of quaternion q1.</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/vecmath/Quat4f.html#mul(javax.vecmath.Quat4f)">mul</A></B>(<A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q1)</CODE><BR> Sets the value of this quaternion to the quaternion product of itself and q1 (this = this * q1).</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/vecmath/Quat4f.html#mul(javax.vecmath.Quat4f, javax.vecmath.Quat4f)">mul</A></B>(<A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q1, <A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q2)</CODE><BR> Sets the value of this quaternion to the quaternion product of quaternions q1 and q2 (this = q1 * q2).</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/vecmath/Quat4f.html#mulInverse(javax.vecmath.Quat4f)">mulInverse</A></B>(<A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q1)</CODE><BR> Multiplies this quaternion by the inverse of quaternion q1 and places the value into this quaternion.</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/vecmath/Quat4f.html#mulInverse(javax.vecmath.Quat4f, javax.vecmath.Quat4f)">mulInverse</A></B>(<A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q1, <A HREF="../../javax/vecmath/Quat4f.html" title="class in javax.vecmath">Quat4f</A> q2)</CODE><BR> Multiplies quaternion q1 by the inverse of quaternion q2 and places the value into this quaternion.</TD>⌨️ 快捷键说明
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