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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Mon Jul 15 11:50:49 PDT 2002 --><TITLE>: Class Point3D</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 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 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="class-use/Point3D.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </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="../../../quicktime/qd3d/math/Point2D.html"><B>PREV CLASS</B></A> <A HREF="../../../quicktime/qd3d/math/Quaternion.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="Point3D.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <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">quicktime.qd3d.math</FONT><BR>Class Point3D</H2><PRE>java.lang.Object | +--<A HREF="../../../quicktime/util/QTByteObject.html">quicktime.util.QTByteObject</A> | +--<B>quicktime.qd3d.math.Point3D</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable, <A HREF="../../../quicktime/jdirect/InterfaceLib.html">InterfaceLib</A>, <A HREF="../../../quicktime/jdirect/PrimitivesLib.html">PrimitivesLib</A>, <A HREF="../../../quicktime/jdirect/QuickDraw3DLib.html">QuickDraw3DLib</A>, <A HREF="../../../quicktime/jdirect/QuickTimeLib.html">QuickTimeLib</A>, java.io.Serializable, <A HREF="../../../quicktime/jdirect/SharedLibrary.html">SharedLibrary</A>, com.apple.jdirect.SharedLibrary</DD></DL><HR><DL><DT>public final class <B>Point3D</B><DT>extends <A HREF="../../../quicktime/util/QTByteObject.html">QTByteObject</A><DT>implements <A HREF="../../../quicktime/jdirect/QuickTimeLib.html">QuickTimeLib</A>, <A HREF="../../../quicktime/jdirect/QuickDraw3DLib.html">QuickDraw3DLib</A>, java.lang.Cloneable</DL><P>Point3D contains information for the three dimensional point. Refer to TQ3Point3D in QuickDraw3d<P><DL><DT><B>See Also: </B><DD><A HREF="../../../serialized-form.html#quicktime.qd3d.math.Point3D">Serialized Form</A></DL><HR><P><!-- ======== INNER 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>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#kNativeSize">kNativeSize</A></B></CODE><BR> This is the size (the number of bytes) that are required for this class</TD></TR></TABLE> <A NAME="fields_inherited_from_class_quicktime.jdirect.QuickTimeLib"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface quicktime.jdirect.<A HREF="../../../quicktime/jdirect/QuickTimeLib.html">QuickTimeLib</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../quicktime/jdirect/QuickTimeLib.html#JDirect_MacOSX">JDirect_MacOSX</A>, <A HREF="../../../quicktime/jdirect/QuickTimeLib.html#libraryInstance">libraryInstance</A>, <A HREF="../../../quicktime/jdirect/QuickTimeLib.html#name">name</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_quicktime.jdirect.QuickDraw3DLib"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface quicktime.jdirect.<A HREF="../../../quicktime/jdirect/QuickDraw3DLib.html">QuickDraw3DLib</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../quicktime/jdirect/QuickDraw3DLib.html#libraryInstance">libraryInstance</A></CODE></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="../../../quicktime/qd3d/math/Point3D.html#Point3D()">Point3D</A></B>()</CODE><BR> Creates a Point3D object containing no data.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#Point3D(float, float, float)">Point3D</A></B>(float x, float y, float z)</CODE><BR> Creates a Point3D object containing with given data.</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> <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#add(quicktime.qd3d.math.Vector3D)">add</A></B>(<A HREF="../../../quicktime/qd3d/math/Vector3D.html">Vector3D</A> vector3D)</CODE><BR> Returns the three-dimensional point that is the result of adding the vector vector3D to this.</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="../../../quicktime/qd3d/math/Point3D.html#clone()">clone</A></B>()</CODE><BR> Returns a copy of this object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd3d/math/Vector3D.html">Vector3D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#cross(quicktime.qd3d.math.Point3D, quicktime.qd3d.math.Point3D)">cross</A></B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> point2, <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> point3)</CODE><BR> Returns the cross product of the two vectors determined by subtracting point2 from this and point3 from this <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/QD3D/qd3dmathfunc.12.htm#pgfId=3617">QuickDraw3D::Q3Point3D_CrossProductTri</a> </b><BR><BR></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="../../../quicktime/qd3d/math/Point3D.html#distance(quicktime.qd3d.math.Point3D)">distance</A></B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> p2)</CODE><BR> Returns the absolute value of the distance between points this and p2.</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="../../../quicktime/qd3d/math/Point3D.html#distanceSquared(quicktime.qd3d.math.Point3D)">distanceSquared</A></B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> p2)</CODE><BR> Returns the squared value of the distance between points this and p2.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../quicktime/util/EndianDescriptor.html">EndianDescriptor</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#getEndianDescriptor()">getEndianDescriptor</A></B>()</CODE><BR> Returns the EndianDescriptor for this class.</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="../../../quicktime/qd3d/math/Point3D.html#getX()">getX</A></B>()</CODE><BR> returns the position in the X direction</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="../../../quicktime/qd3d/math/Point3D.html#getY()">getY</A></B>()</CODE><BR> returns the position in the Y direction</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="../../../quicktime/qd3d/math/Point3D.html#getZ()">getZ</A></B>()</CODE><BR> returns the position in the Z direction</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#rRatio(quicktime.qd3d.math.Point3D, float, float)">rRatio</A></B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> p2, float r1, float r2)</CODE><BR> Returns the three-dimensional point that lies on the line segment between the points p1 and p2 and that is at a distance from the first point determined by the ratio r1/(r1 + r2).</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="../../../quicktime/qd3d/math/Point3D.html#setX(float)">setX</A></B>(float x)</CODE><BR> sets the position in the X direction</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="../../../quicktime/qd3d/math/Point3D.html#setY(float)">setY</A></B>(float y)</CODE><BR> sets the position in the Y direction</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="../../../quicktime/qd3d/math/Point3D.html#setZ(float)">setZ</A></B>(float z)</CODE><BR> sets the position in the Z direction</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd3d/math/Vector3D.html">Vector3D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#subtract(quicktime.qd3d.math.Point3D)">subtract</A></B>(<A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A> p2)</CODE><BR> Returns a three-dimensional vector that is the result of subtracting the point p2 from p1.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#subtract(quicktime.qd3d.math.Vector3D)">subtract</A></B>(<A HREF="../../../quicktime/qd3d/math/Vector3D.html">Vector3D</A> vector3D)</CODE><BR> Returns the three-dimensional point that is the result of subtracting the vector vector3D from this.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#toString()">toString</A></B>()</CODE><BR> Returns a string representation of this object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd3d/math/Point3D.html">Point3D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/qd3d/math/Point3D.html#transformQuaternion(quicktime.qd3d.math.Quaternion)">transformQuaternion</A></B>(<A HREF="../../../quicktime/qd3d/math/Quaternion.html">Quaternion</A> quaternion)</CODE><BR> Return a three-dimensional point that is the result of transforming the vector specified by the vector parameter using the quaternion specified by the quaternion parameter.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_quicktime.util.QTByteObject"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class quicktime.util.<A HREF="../../../quicktime/util/QTByteObject.html">QTByteObject</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../quicktime/util/QTByteObject.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../quicktime/util/QTByteObject.html#fromArray(byte[])">fromArray</A>, <A HREF="../../../quicktime/util/QTByteObject.html#getBytes()">getBytes</A>, <A HREF="../../../quicktime/util/QTByteObject.html#getSize()">getSize</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><A NAME="field_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2">⌨️ 快捷键说明
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