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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 01:50:10 PDT 2002 --><TITLE>Tuple4f (Java 3D API)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><SCRIPT>function asd(){parent.document.title="Tuple4f (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 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CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="Tuple4f.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="#field_summary">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: <A HREF="#field_detail">FIELD</A> | <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.vecmath</FONT><BR>Class Tuple4f</H2><PRE>java.lang.Object | +--<B>javax.vecmath.Tuple4f</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable, java.io.Serializable</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../javax/vecmath/Color4f.html">Color4f</A>, <A HREF="../../javax/vecmath/Point4f.html">Point4f</A>, <A HREF="../../javax/vecmath/Quat4f.html">Quat4f</A>, <A HREF="../../javax/vecmath/TexCoord4f.html">TexCoord4f</A>, <A HREF="../../javax/vecmath/Vector4f.html">Vector4f</A></DD></DL><HR><DL><DT>public abstract class <B>Tuple4f</B><DT>extends java.lang.Object<DT>implements java.io.Serializable, java.lang.Cloneable</DL><P>A 4-element tuple 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" TARGET="javax.vecmath.Tuple4f">Serialized Form</A></DL><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><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/Tuple4f.html#w">w</A></B></CODE><BR> The w coordinate.</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/Tuple4f.html#x">x</A></B></CODE><BR> The x coordinate.</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/Tuple4f.html#y">y</A></B></CODE><BR> The y coordinate.</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/Tuple4f.html#z">z</A></B></CODE><BR> The z coordinate.</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/vecmath/Tuple4f.html#Tuple4f()">Tuple4f</A></B>()</CODE><BR> Constructs and initializes a Tuple4f to (0,0,0,0).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#Tuple4f(float[])">Tuple4f</A></B>(float[] t)</CODE><BR> Constructs and initializes a Tuple4f from the array of length 4.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#Tuple4f(float, float, float, float)">Tuple4f</A></B>(float x, float y, float z, float w)</CODE><BR> Constructs and initializes a Tuple4f from the specified xyzw coordinates.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#Tuple4f(javax.vecmath.Tuple4d)">Tuple4f</A></B>(<A HREF="../../javax/vecmath/Tuple4d.html">Tuple4d</A> t1)</CODE><BR> Constructs and initializes a Tuple4f from the specified Tuple4d.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#Tuple4f(javax.vecmath.Tuple4f)">Tuple4f</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1)</CODE><BR> Constructs and initializes a Tuple4f from the specified Tuple4f.</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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#absolute()">absolute</A></B>()</CODE><BR> Sets each component of this tuple to its absolute value.</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/Tuple4f.html#absolute(javax.vecmath.Tuple4f)">absolute</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t)</CODE><BR> Sets each component of the tuple parameter to its absolute value and places the modified values into this tuple.</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/Tuple4f.html#add(javax.vecmath.Tuple4f)">add</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1)</CODE><BR> Sets the value of this tuple to the sum of itself and t1.</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/Tuple4f.html#add(javax.vecmath.Tuple4f, javax.vecmath.Tuple4f)">add</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1, <A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t2)</CODE><BR> Sets the value of this tuple to the sum of tuples t1 and t2.</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/Tuple4f.html#clamp(float, float)">clamp</A></B>(float min, float max)</CODE><BR> Clamps this tuple to the range [low, high].</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/Tuple4f.html#clamp(float, float, javax.vecmath.Tuple4f)">clamp</A></B>(float min, float max, <A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t)</CODE><BR> Clamps the tuple parameter to the range [low, high] and places the values into this tuple.</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/Tuple4f.html#clampMax(float)">clampMax</A></B>(float max)</CODE><BR> Clamps the maximum value of this tuple to the max parameter.</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/Tuple4f.html#clampMax(float, javax.vecmath.Tuple4f)">clampMax</A></B>(float max, <A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t)</CODE><BR> Clamps the maximum value of the tuple parameter to the max parameter and places the values into this tuple.</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/Tuple4f.html#clampMin(float)">clampMin</A></B>(float min)</CODE><BR> Clamps the minimum value of this tuple to the min parameter.</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/Tuple4f.html#clampMin(float, javax.vecmath.Tuple4f)">clampMin</A></B>(float min, <A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t)</CODE><BR> Clamps the minimum value of the tuple parameter to the min parameter and places the values into this tuple.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#clone()">clone</A></B>()</CODE><BR> Creates a new object of the same class as this object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#epsilonEquals(javax.vecmath.Tuple4f, float)">epsilonEquals</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1, float epsilon)</CODE><BR> Returns true if the L-infinite distance between this tuple and tuple t1 is less than or equal to the epsilon parameter, otherwise returns false.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object t1)</CODE><BR> Returns true if the Object t1 is of type Tuple4f and all of the data members of t1 are equal to the corresponding data members in this Tuple4f.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#equals(javax.vecmath.Tuple4f)">equals</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1)</CODE><BR> Returns true if all of the data members of Tuple4f t1 are equal to the corresponding data members in this Tuple4f.</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/Tuple4f.html#get(float[])">get</A></B>(float[] t)</CODE><BR> Copies the values of this tuple into the array t.</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/Tuple4f.html#get(javax.vecmath.Tuple4f)">get</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t)</CODE><BR> Copies the values of this tuple into the tuple t.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Tuple4f.html#hashCode()">hashCode</A></B>()</CODE><BR> Returns a hash code value based on the data values in this object.</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/Tuple4f.html#interpolate(javax.vecmath.Tuple4f, float)">interpolate</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1, float alpha)</CODE><BR> Linearly interpolates between this tuple and tuple t1 and places the result into this tuple: this = (1-alpha)*this + alpha*t1.</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/Tuple4f.html#interpolate(javax.vecmath.Tuple4f, javax.vecmath.Tuple4f, float)">interpolate</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1, <A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t2, float alpha)</CODE><BR> Linearly interpolates between tuples t1 and t2 and places the result into this tuple: this = (1-alpha)*t1 + alpha*t2.</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/Tuple4f.html#negate()">negate</A></B>()</CODE><BR> Negates the value of this tuple 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/Tuple4f.html#negate(javax.vecmath.Tuple4f)">negate</A></B>(<A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1)</CODE><BR> Sets the value of this tuple to the negation of tuple t1.</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/Tuple4f.html#scale(float)">scale</A></B>(float s)</CODE><BR> Sets the value of this tuple to the scalar multiplication of the scale factor with this.</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/Tuple4f.html#scale(float, javax.vecmath.Tuple4f)">scale</A></B>(float s, <A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1)</CODE><BR> Sets the value of this tuple to the scalar multiplication of tuple t1.</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/Tuple4f.html#scaleAdd(float, javax.vecmath.Tuple4f)">scaleAdd</A></B>(float s, <A HREF="../../javax/vecmath/Tuple4f.html">Tuple4f</A> t1)</CODE><BR> Sets the value of this tuple to the scalar multiplication of itself and then adds tuple t1 (this = s*this + t1).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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