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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 01:50:09 PDT 2002 --><TITLE>Tuple2d (Java 3D API)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><SCRIPT>function asd(){parent.document.title="Tuple2d (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="Tuple2d.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 Tuple2d</H2><PRE>java.lang.Object | +--<B>javax.vecmath.Tuple2d</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/Point2d.html">Point2d</A>, <A HREF="../../javax/vecmath/Vector2d.html">Vector2d</A></DD></DL><HR><DL><DT>public abstract class <B>Tuple2d</B><DT>extends java.lang.Object<DT>implements java.io.Serializable, java.lang.Cloneable</DL><P>A generic 2-element tuple that is represented by double-precision floating point x,y coordinates.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../serialized-form.html" TARGET="javax.vecmath.Tuple2d">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> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Tuple2d.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> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Tuple2d.html#y">y</A></B></CODE><BR> The y 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/Tuple2d.html#Tuple2d()">Tuple2d</A></B>()</CODE><BR> Constructs and initializes a Tuple2d to (0,0).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Tuple2d.html#Tuple2d(double[])">Tuple2d</A></B>(double[] t)</CODE><BR> Constructs and initializes a Tuple2d from the specified array.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Tuple2d.html#Tuple2d(double, double)">Tuple2d</A></B>(double x, double y)</CODE><BR> Constructs and initializes a Tuple2d from the specified xy coordinates.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Tuple2d.html#Tuple2d(javax.vecmath.Tuple2d)">Tuple2d</A></B>(<A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</A> t1)</CODE><BR> Constructs and initializes a Tuple2d from the specified Tuple2d.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/Tuple2d.html#Tuple2d(javax.vecmath.Tuple2f)">Tuple2d</A></B>(<A HREF="../../javax/vecmath/Tuple2f.html">Tuple2f</A> t1)</CODE><BR> Constructs and initializes a Tuple2d from the specified Tuple2f.</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/Tuple2d.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/Tuple2d.html#absolute(javax.vecmath.Tuple2d)">absolute</A></B>(<A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</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/Tuple2d.html#add(javax.vecmath.Tuple2d)">add</A></B>(<A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</A> t1)</CODE><BR> Sets the value of this tuple to the vector sum of itself and 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/Tuple2d.html#add(javax.vecmath.Tuple2d, javax.vecmath.Tuple2d)">add</A></B>(<A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</A> t1, <A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</A> t2)</CODE><BR> Sets the value of this tuple to the vector 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/Tuple2d.html#clamp(double, double)">clamp</A></B>(double min, double 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/Tuple2d.html#clamp(double, double, javax.vecmath.Tuple2d)">clamp</A></B>(double min, double max, <A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</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/Tuple2d.html#clampMax(double)">clampMax</A></B>(double 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/Tuple2d.html#clampMax(double, javax.vecmath.Tuple2d)">clampMax</A></B>(double max, <A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</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/Tuple2d.html#clampMin(double)">clampMin</A></B>(double 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/Tuple2d.html#clampMin(double, javax.vecmath.Tuple2d)">clampMin</A></B>(double min, <A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</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/Tuple2d.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/Tuple2d.html#epsilonEquals(javax.vecmath.Tuple2d, double)">epsilonEquals</A></B>(<A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</A> t1, double 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/Tuple2d.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object t1)</CODE><BR> Returns true if the Object t1 is of type Tuple2d and all of the data members of t1 are equal to the corresponding data members in this Tuple2d.</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/Tuple2d.html#equals(javax.vecmath.Tuple2d)">equals</A></B>(<A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</A> t1)</CODE><BR> Returns true if all of the data members of Tuple2d t1 are equal to the corresponding data members in this Tuple2d.</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/Tuple2d.html#get(double[])">get</A></B>(double[] t)</CODE><BR> Copies the value of the elements 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> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/Tuple2d.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/Tuple2d.html#interpolate(javax.vecmath.Tuple2d, double)">interpolate</A></B>(<A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</A> t1, double 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/Tuple2d.html#interpolate(javax.vecmath.Tuple2d, javax.vecmath.Tuple2d, double)">interpolate</A></B>(<A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</A> t1, <A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</A> t2, double 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/Tuple2d.html#negate()">negate</A></B>()</CODE><BR> Negates the value of 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/Tuple2d.html#negate(javax.vecmath.Tuple2d)">negate</A></B>(<A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</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/Tuple2d.html#scale(double)">scale</A></B>(double s)</CODE><BR> Sets the value of this tuple to the scalar multiplication 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/Tuple2d.html#scale(double, javax.vecmath.Tuple2d)">scale</A></B>(double s, <A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</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/Tuple2d.html#scaleAdd(double, javax.vecmath.Tuple2d)">scaleAdd</A></B>(double s, <A HREF="../../javax/vecmath/Tuple2d.html">Tuple2d</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"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD>⌨️ 快捷键说明
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