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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>Vector4f (Java 3D 1.5.0)</TITLE><META NAME="keywords" CONTENT="javax.vecmath.Vector4f class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Vector4f (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 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CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/vecmath/Vector4d.html" title="class in javax.vecmath"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?javax/vecmath/Vector4f.html" target="_top"><B>FRAMES</B></A> <A HREF="Vector4f.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 Vector4f</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.Vector4f</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>Vector4f</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 vector represented by single-precision floating point x,y,z,w coordinates.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../serialized-form.html#javax.vecmath.Vector4f">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/Vector4f.html#Vector4f()">Vector4f</A></B>()</CODE><BR> Constructs and initializes a Vector4f to (0,0,0,0).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#Vector4f(float[])">Vector4f</A></B>(float[] v)</CODE><BR> Constructs and initializes a Vector4f from the array of length 4.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#Vector4f(float, float, float, float)">Vector4f</A></B>(float x, float y, float z, float w)</CODE><BR> Constructs and initializes a Vector4f from the specified xyzw coordinates.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#Vector4f(javax.vecmath.Tuple3f)">Vector4f</A></B>(<A HREF="../../javax/vecmath/Tuple3f.html" title="class in javax.vecmath">Tuple3f</A> t1)</CODE><BR> Constructs and initializes a Vector4f from the specified Tuple3f.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#Vector4f(javax.vecmath.Tuple4d)">Vector4f</A></B>(<A HREF="../../javax/vecmath/Tuple4d.html" title="class in javax.vecmath">Tuple4d</A> t1)</CODE><BR> Constructs and initializes a Vector4f from the specified Tuple4d.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#Vector4f(javax.vecmath.Tuple4f)">Vector4f</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html" title="class in javax.vecmath">Tuple4f</A> t1)</CODE><BR> Constructs and initializes a Vector4f from the specified Tuple4f.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#Vector4f(javax.vecmath.Vector4d)">Vector4f</A></B>(<A HREF="../../javax/vecmath/Vector4d.html" title="class in javax.vecmath">Vector4d</A> v1)</CODE><BR> Constructs and initializes a Vector4f from the specified Vector4d.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#Vector4f(javax.vecmath.Vector4f)">Vector4f</A></B>(<A HREF="../../javax/vecmath/Vector4f.html" title="class in javax.vecmath">Vector4f</A> v1)</CODE><BR> Constructs and initializes a Vector4f from the specified Vector4f.</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> float</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#angle(javax.vecmath.Vector4f)">angle</A></B>(<A HREF="../../javax/vecmath/Vector4f.html" title="class in javax.vecmath">Vector4f</A> v1)</CODE><BR> Returns the (4-space) angle in radians between this vector and the vector parameter; the return value is constrained to the range [0,PI].</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> float</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#dot(javax.vecmath.Vector4f)">dot</A></B>(<A HREF="../../javax/vecmath/Vector4f.html" title="class in javax.vecmath">Vector4f</A> v1)</CODE><BR> returns the dot product of this vector and v1</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> float</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#length()">length</A></B>()</CODE><BR> Returns the length of this vector.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> float</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Vector4f.html#lengthSquared()">lengthSquared</A></B>()</CODE><BR> Returns the squared length of this vector</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/Vector4f.html#normalize()">normalize</A></B>()</CODE><BR> Normalizes this vector in place.</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/Vector4f.html#normalize(javax.vecmath.Vector4f)">normalize</A></B>(<A HREF="../../javax/vecmath/Vector4f.html" title="class in javax.vecmath">Vector4f</A> v1)</CODE><BR> Sets the value of this vector to the normalization of vector v1.</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/Vector4f.html#set(javax.vecmath.Tuple3f)">set</A></B>(<A HREF="../../javax/vecmath/Tuple3f.html" title="class in javax.vecmath">Tuple3f</A> t1)</CODE><BR> Sets the x,y,z components of this vector to the corresponding components of tuple t1.</TD></TR></TABLE> <A NAME="methods_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>Methods 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#absolute()">absolute</A>, <A HREF="../../javax/vecmath/Tuple4f.html#absolute(javax.vecmath.Tuple4f)">absolute</A>, <A HREF="../../javax/vecmath/Tuple4f.html#add(javax.vecmath.Tuple4f)">add</A>, <A HREF="../../javax/vecmath/Tuple4f.html#add(javax.vecmath.Tuple4f, javax.vecmath.Tuple4f)">add</A>, <A HREF="../../javax/vecmath/Tuple4f.html#clamp(float, float)">clamp</A>, <A HREF="../../javax/vecmath/Tuple4f.html#clamp(float, float, javax.vecmath.Tuple4f)">clamp</A>, <A HREF="../../javax/vecmath/Tuple4f.html#clampMax(float)">clampMax</A>, <A HREF="../../javax/vecmath/Tuple4f.html#clampMax(float, javax.vecmath.Tuple4f)">clampMax</A>, <A HREF="../../javax/vecmath/Tuple4f.html#clampMin(float)">clampMin</A>, <A HREF="../../javax/vecmath/Tuple4f.html#clampMin(float, javax.vecmath.Tuple4f)">clampMin</A>, <A HREF="../../javax/vecmath/Tuple4f.html#clone()">clone</A>, <A HREF="../../javax/vecmath/Tuple4f.html#epsilonEquals(javax.vecmath.Tuple4f, float)">epsilonEquals</A>, <A HREF="../../javax/vecmath/Tuple4f.html#equals(java.lang.Object)">equals</A>, <A HREF="../../javax/vecmath/Tuple4f.html#equals(javax.vecmath.Tuple4f)">equals</A>, <A HREF="../../javax/vecmath/Tuple4f.html#get(float[])">get</A>, <A HREF="../../javax/vecmath/Tuple4f.html#get(javax.vecmath.Tuple4f)">get</A>, <A HREF="../../javax/vecmath/Tuple4f.html#getW()">getW</A>, <A HREF="../../javax/vecmath/Tuple4f.html#getX()">getX</A>, <A HREF="../../javax/vecmath/Tuple4f.html#getY()">getY</A>, <A HREF="../../javax/vecmath/Tuple4f.html#getZ()">getZ</A>, <A HREF="../../javax/vecmath/Tuple4f.html#hashCode()">hashCode</A>, <A HREF="../../javax/vecmath/Tuple4f.html#interpolate(javax.vecmath.Tuple4f, float)">interpolate</A>, <A HREF="../../javax/vecmath/Tuple4f.html#interpolate(javax.vecmath.Tuple4f, javax.vecmath.Tuple4f, float)">interpolate</A>, <A HREF="../../javax/vecmath/Tuple4f.html#negate()">negate</A>, <A HREF="../../javax/vecmath/Tuple4f.html#negate(javax.vecmath.Tuple4f)">negate</A>, <A HREF="../../javax/vecmath/Tuple4f.html#scale(float)">scale</A>, <A HREF="../../javax/vecmath/Tuple4f.html#scale(float, javax.vecmath.Tuple4f)">scale</A>, <A HREF="../../javax/vecmath/Tuple4f.html#scaleAdd(float, javax.vecmath.Tuple4f)">scaleAdd</A>, <A HREF="../../javax/vecmath/Tuple4f.html#scaleAdd(float, javax.vecmath.Tuple4f, javax.vecmath.Tuple4f)">scaleAdd</A>, <A HREF="../../javax/vecmath/Tuple4f.html#set(float[])">set</A>, <A HREF="../../javax/vecmath/Tuple4f.html#set(float, float, float, float)">set</A>, <A HREF="../../javax/vecmath/Tuple4f.html#set(javax.vecmath.Tuple4d)">set</A>, <A HREF="../../javax/vecmath/Tuple4f.html#set(javax.vecmath.Tuple4f)">set</A>, <A HREF="../../javax/vecmath/Tuple4f.html#setW(float)">setW</A>, <A HREF="../../javax/vecmath/Tuple4f.html#setX(float)">setX</A>, <A HREF="../../javax/vecmath/Tuple4f.html#setY(float)">setY</A>, <A HREF="../../javax/vecmath/Tuple4f.html#setZ(float)">setZ</A>, <A HREF="../../javax/vecmath/Tuple4f.html#sub(javax.vecmath.Tuple4f)">sub</A>, <A HREF="../../javax/vecmath/Tuple4f.html#sub(javax.vecmath.Tuple4f, javax.vecmath.Tuple4f)">sub</A>, <A HREF="../../javax/vecmath/Tuple4f.html#toString()">toString</A></CODE></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>finalize, getClass, notify, notifyAll, 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="Vector4f(float, float, float, float)"><!-- --></A><H3>Vector4f</H3>⌨️ 快捷键说明
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