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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 16:20:05 PST 2006 --><TITLE>PathInterpolator (Java 3D 1.5.0)</TITLE><META NAME="keywords" CONTENT="javax.media.j3d.PathInterpolator class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="PathInterpolator (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/media/j3d/OrientedShape3D.html" title="class in javax.media.j3d"><B>PREV CLASS</B></A> <A HREF="../../../javax/media/j3d/PhysicalBody.html" title="class in javax.media.j3d"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?javax/media/j3d/PathInterpolator.html" target="_top"><B>FRAMES</B></A> <A HREF="PathInterpolator.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="#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><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.media.j3d</FONT><BR>Class PathInterpolator</H2><PRE>java.lang.Object <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/SceneGraphObject.html" title="class in javax.media.j3d">javax.media.j3d.SceneGraphObject</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/Node.html" title="class in javax.media.j3d">javax.media.j3d.Node</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/Leaf.html" title="class in javax.media.j3d">javax.media.j3d.Leaf</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/Behavior.html" title="class in javax.media.j3d">javax.media.j3d.Behavior</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/Interpolator.html" title="class in javax.media.j3d">javax.media.j3d.Interpolator</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../javax/media/j3d/TransformInterpolator.html" title="class in javax.media.j3d">javax.media.j3d.TransformInterpolator</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>javax.media.j3d.PathInterpolator</B></PRE><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../javax/media/j3d/PositionPathInterpolator.html" title="class in javax.media.j3d">PositionPathInterpolator</A>, <A HREF="../../../javax/media/j3d/RotationPathInterpolator.html" title="class in javax.media.j3d">RotationPathInterpolator</A>, <A HREF="../../../javax/media/j3d/RotPosPathInterpolator.html" title="class in javax.media.j3d">RotPosPathInterpolator</A>, <A HREF="../../../javax/media/j3d/RotPosScalePathInterpolator.html" title="class in javax.media.j3d">RotPosScalePathInterpolator</A></DD></DL><HR><DL><DT><PRE>public abstract class <B>PathInterpolator</B><DT>extends <A HREF="../../../javax/media/j3d/TransformInterpolator.html" title="class in javax.media.j3d">TransformInterpolator</A></DL></PRE><P>PathInterpolator behavior. This class defines the base class for all Path Interpolators. Subclasses have access to the computePathInterpolation() method, which computes the currentInterpolationValue given the current time and alpha. The method also computes the currentKnotIndex, which is based on the currentInterpolationValue. The currentInterpolationValue is calculated by linearly interpolating among a series of predefined knots (using the value generated by the specified Alpha object). The first knot must have a value of 0.0 and the last knot must have a value of 1.0. An intermediate knot with index k must have a value strictly greater than any knot with index less than k.<P><P><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><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PathInterpolator.html#currentInterpolationValue">currentInterpolationValue</A></B></CODE><BR> This value is the ratio between knot values indicated by the currentKnotIndex variable.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PathInterpolator.html#currentKnotIndex">currentKnotIndex</A></B></CODE><BR> This value is the index of the current base knot value, as determined by the alpha function.</TD></TR></TABLE> <A NAME="fields_inherited_from_class_javax.media.j3d.TransformInterpolator"><!-- --></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.media.j3d.<A HREF="../../../javax/media/j3d/TransformInterpolator.html" title="class in javax.media.j3d">TransformInterpolator</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/media/j3d/TransformInterpolator.html#axis">axis</A>, <A HREF="../../../javax/media/j3d/TransformInterpolator.html#axisInverse">axisInverse</A>, <A HREF="../../../javax/media/j3d/TransformInterpolator.html#target">target</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_javax.media.j3d.Interpolator"><!-- --></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.media.j3d.<A HREF="../../../javax/media/j3d/Interpolator.html" title="class in javax.media.j3d">Interpolator</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/media/j3d/Interpolator.html#defaultWakeupCriterion">defaultWakeupCriterion</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_javax.media.j3d.Node"><!-- --></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.media.j3d.<A HREF="../../../javax/media/j3d/Node.html" title="class in javax.media.j3d">Node</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/media/j3d/Node.html#ALLOW_AUTO_COMPUTE_BOUNDS_READ">ALLOW_AUTO_COMPUTE_BOUNDS_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_AUTO_COMPUTE_BOUNDS_WRITE">ALLOW_AUTO_COMPUTE_BOUNDS_WRITE</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_BOUNDS_READ">ALLOW_BOUNDS_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_BOUNDS_WRITE">ALLOW_BOUNDS_WRITE</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_COLLIDABLE_READ">ALLOW_COLLIDABLE_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_COLLIDABLE_WRITE">ALLOW_COLLIDABLE_WRITE</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_LOCAL_TO_VWORLD_READ">ALLOW_LOCAL_TO_VWORLD_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_LOCALE_READ">ALLOW_LOCALE_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_PARENT_READ">ALLOW_PARENT_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_PICKABLE_READ">ALLOW_PICKABLE_READ</A>, <A HREF="../../../javax/media/j3d/Node.html#ALLOW_PICKABLE_WRITE">ALLOW_PICKABLE_WRITE</A>, <A HREF="../../../javax/media/j3d/Node.html#ENABLE_COLLISION_REPORTING">ENABLE_COLLISION_REPORTING</A>, <A HREF="../../../javax/media/j3d/Node.html#ENABLE_PICK_REPORTING">ENABLE_PICK_REPORTING</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/media/j3d/PathInterpolator.html#PathInterpolator(javax.media.j3d.Alpha, float[])">PathInterpolator</A></B>(<A HREF="../../../javax/media/j3d/Alpha.html" title="class in javax.media.j3d">Alpha</A> alpha, float[] knots)</CODE><BR> <B>Deprecated.</B> <I>As of Java 3D version 1.3, replaced by <code>PathInterpolator(Alpha, TransformGroup, float[]) </code></I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/media/j3d/PathInterpolator.html#PathInterpolator(javax.media.j3d.Alpha, javax.media.j3d.TransformGroup, float[])">PathInterpolator</A></B>(<A HREF="../../../javax/media/j3d/Alpha.html" title="class in javax.media.j3d">Alpha</A> alpha, <A HREF="../../../javax/media/j3d/TransformGroup.html" title="class in javax.media.j3d">TransformGroup</A> target, float[] knots)</CODE><BR> Constructs a new PathInterpolator object that interpolates between the knot values in the knots array.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/media/j3d/PathInterpolator.html#PathInterpolator(javax.media.j3d.Alpha, javax.media.j3d.TransformGroup, javax.media.j3d.Transform3D, float[])">PathInterpolator</A></B>(<A HREF="../../../javax/media/j3d/Alpha.html" title="class in javax.media.j3d">Alpha</A> alpha, <A HREF="../../../javax/media/j3d/TransformGroup.html" title="class in javax.media.j3d">TransformGroup</A> target, <A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A> axisOfTransform, float[] knots)</CODE><BR> Constructs a new PathInterpolator object that interpolates between the knot values in the knots array.</TD></TR>⌨️ 快捷键说明
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