📄 pathinterpolator.html
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</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>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PathInterpolator.html#computePathInterpolation()">computePathInterpolation</A></B>()</CODE><BR> <B>Deprecated.</B> <I>As of Java 3D version 1.3, replaced by <code>computePathInterpolation(float)</code></I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PathInterpolator.html#computePathInterpolation(float)">computePathInterpolation</A></B>(float alphaValue)</CODE><BR> Computes the base knot index and interpolation value given the specified value of alpha and the knots[] array.</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/media/j3d/PathInterpolator.html#getArrayLengths()">getArrayLengths</A></B>()</CODE><BR> Retrieves the length of the knots array.</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/media/j3d/PathInterpolator.html#getKnot(int)">getKnot</A></B>(int index)</CODE><BR> Retrieves the knot at the specified index.</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/media/j3d/PathInterpolator.html#getKnots(float[])">getKnots</A></B>(float[] knots)</CODE><BR> Copies the array of knots from this interpolator into the specified array.</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/media/j3d/PathInterpolator.html#setKnot(int, float)">setKnot</A></B>(int index, float knot)</CODE><BR> Sets the knot at the specified index for this interpolator.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/media/j3d/PathInterpolator.html#setKnots(float[])">setKnots</A></B>(float[] knots)</CODE><BR> Replaces the existing array of knot values with the specified array.</TD></TR></TABLE> <A NAME="methods_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>Methods 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#computeTransform(float, javax.media.j3d.Transform3D)">computeTransform</A>, <A HREF="../../../javax/media/j3d/TransformInterpolator.html#getTarget()">getTarget</A>, <A HREF="../../../javax/media/j3d/TransformInterpolator.html#getTransformAxis()">getTransformAxis</A>, <A HREF="../../../javax/media/j3d/TransformInterpolator.html#processStimulus(java.util.Enumeration)">processStimulus</A>, <A HREF="../../../javax/media/j3d/TransformInterpolator.html#setTarget(javax.media.j3d.TransformGroup)">setTarget</A>, <A HREF="../../../javax/media/j3d/TransformInterpolator.html#setTransformAxis(javax.media.j3d.Transform3D)">setTransformAxis</A>, <A HREF="../../../javax/media/j3d/TransformInterpolator.html#updateNodeReferences(javax.media.j3d.NodeReferenceTable)">updateNodeReferences</A></CODE></TD></TR></TABLE> <A NAME="methods_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>Methods 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#getAlpha()">getAlpha</A>, <A HREF="../../../javax/media/j3d/Interpolator.html#initialize()">initialize</A>, <A HREF="../../../javax/media/j3d/Interpolator.html#setAlpha(javax.media.j3d.Alpha)">setAlpha</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_javax.media.j3d.Behavior"><!-- --></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.media.j3d.<A HREF="../../../javax/media/j3d/Behavior.html" title="class in javax.media.j3d">Behavior</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/media/j3d/Behavior.html#getEnable()">getEnable</A>, <A HREF="../../../javax/media/j3d/Behavior.html#getNumSchedulingIntervals()">getNumSchedulingIntervals</A>, <A HREF="../../../javax/media/j3d/Behavior.html#getSchedulingBoundingLeaf()">getSchedulingBoundingLeaf</A>, <A HREF="../../../javax/media/j3d/Behavior.html#getSchedulingBounds()">getSchedulingBounds</A>, <A HREF="../../../javax/media/j3d/Behavior.html#getSchedulingInterval()">getSchedulingInterval</A>, <A HREF="../../../javax/media/j3d/Behavior.html#getView()">getView</A>, <A HREF="../../../javax/media/j3d/Behavior.html#getWakeupCondition()">getWakeupCondition</A>, <A HREF="../../../javax/media/j3d/Behavior.html#postId(int)">postId</A>, <A HREF="../../../javax/media/j3d/Behavior.html#setEnable(boolean)">setEnable</A>, <A HREF="../../../javax/media/j3d/Behavior.html#setSchedulingBoundingLeaf(javax.media.j3d.BoundingLeaf)">setSchedulingBoundingLeaf</A>, <A HREF="../../../javax/media/j3d/Behavior.html#setSchedulingBounds(javax.media.j3d.Bounds)">setSchedulingBounds</A>, <A HREF="../../../javax/media/j3d/Behavior.html#setSchedulingInterval(int)">setSchedulingInterval</A>, <A HREF="../../../javax/media/j3d/Behavior.html#wakeupOn(javax.media.j3d.WakeupCondition)">wakeupOn</A></CODE></TD></TR></TABLE> <A NAME="methods_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>Methods 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#cloneNode(boolean)">cloneNode</A>, <A HREF="../../../javax/media/j3d/Node.html#cloneTree()">cloneTree</A>, <A HREF="../../../javax/media/j3d/Node.html#cloneTree(boolean)">cloneTree</A>, <A HREF="../../../javax/media/j3d/Node.html#cloneTree(boolean, boolean)">cloneTree</A>, <A HREF="../../../javax/media/j3d/Node.html#cloneTree(javax.media.j3d.NodeReferenceTable)">cloneTree</A>, <A HREF="../../../javax/media/j3d/Node.html#cloneTree(javax.media.j3d.NodeReferenceTable, boolean)">cloneTree</A>, <A HREF="../../../javax/media/j3d/Node.html#cloneTree(javax.media.j3d.NodeReferenceTable, boolean, boolean)">cloneTree</A>, <A HREF="../../../javax/media/j3d/Node.html#duplicateNode(javax.media.j3d.Node, boolean)">duplicateNode</A>, <A HREF="../../../javax/media/j3d/Node.html#getBounds()">getBounds</A>, <A HREF="../../../javax/media/j3d/Node.html#getBoundsAutoCompute()">getBoundsAutoCompute</A>, <A HREF="../../../javax/media/j3d/Node.html#getCollidable()">getCollidable</A>, <A HREF="../../../javax/media/j3d/Node.html#getLocale()">getLocale</A>, <A HREF="../../../javax/media/j3d/Node.html#getLocalToVworld(javax.media.j3d.SceneGraphPath, javax.media.j3d.Transform3D)">getLocalToVworld</A>, <A HREF="../../../javax/media/j3d/Node.html#getLocalToVworld(javax.media.j3d.Transform3D)">getLocalToVworld</A>, <A HREF="../../../javax/media/j3d/Node.html#getParent()">getParent</A>, <A HREF="../../../javax/media/j3d/Node.html#getPickable()">getPickable</A>, <A HREF="../../../javax/media/j3d/Node.html#setBounds(javax.media.j3d.Bounds)">setBounds</A>, <A HREF="../../../javax/media/j3d/Node.html#setBoundsAutoCompute(boolean)">setBoundsAutoCompute</A>, <A HREF="../../../javax/media/j3d/Node.html#setCollidable(boolean)">setCollidable</A>, <A HREF="../../../javax/media/j3d/Node.html#setPickable(boolean)">setPickable</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_javax.media.j3d.SceneGraphObject"><!-- --></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.media.j3d.<A HREF="../../../javax/media/j3d/SceneGraphObject.html" title="class in javax.media.j3d">SceneGraphObject</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/media/j3d/SceneGraphObject.html#clearCapability(int)">clearCapability</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#clearCapabilityIsFrequent(int)">clearCapabilityIsFrequent</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#duplicateSceneGraphObject(javax.media.j3d.SceneGraphObject)">duplicateSceneGraphObject</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#getCapability(int)">getCapability</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#getCapabilityIsFrequent(int)">getCapabilityIsFrequent</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#getName()">getName</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#getUserData()">getUserData</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#isCompiled()">isCompiled</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#isLive()">isLive</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#setCapability(int)">setCapability</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#setCapabilityIsFrequent(int)">setCapabilityIsFrequent</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#setName(java.lang.String)">setName</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.html#setUserData(java.lang.Object)">setUserData</A>, <A HREF="../../../javax/media/j3d/SceneGraphObject.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>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><A NAME="field_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>Field Detail</B></FONT></TH></TR></TABLE><A NAME="currentInterpolationValue"><!-- --></A><H3>currentInterpolationValue</H3><PRE>protected float <B>currentInterpolationValue</B></PRE><DL><DD>This value is the ratio between knot values indicated by the currentKnotIndex variable. So if a subclass wanted to interpolate between knot values, it would use the currentKnotIndex to get the bounding knots for the "real" value, then use the currentInterpolationValue to interpolate between the knots. To calculate this variable, a subclass needs to call the <code>computePathInterpolation(alphaValue)</code> method from the subclass's computeTransform() method. Then this variable will hold a valid value which can be used in further calculations by the subclass.<P><DL></DL></DL><HR><A NAME="currentKnotIndex"><!-- --></A><H3>currentKnotIndex</H3><PRE>protected int <B>currentKnotIndex</B></PRE><DL><DD>This value is the index of the current base knot value, as determined by the alpha function. A subclass wishing to interpolate between bounding knots would use this index and the one following it, and would use the currentInterpolationValue variable as the ratio between these indices. To calculate this variable, a subclass needs to call the <code>computePathInterpolation(alphaValue)</code> method from the subclass's computeTransform() method. Then this variable will hold a valid value which can be used in further calculations by the subclass.<P><DL></DL></DL><!-- ========= 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="PathInterpolator(javax.media.j3d.Alpha, float[])"><!-- --></A><H3>PathInterpolator</H3><PRE>public <B>PathInterpolator</B>(<A HREF="../../../javax/media/j3d/Alpha.html" title="class in javax.media.j3d">Alpha</A> alpha, float[] knots)</PRE><DL><DD><B>Deprecated.</B> <I>As of Java 3D version 1.3, replaced by <code>PathInterpolator(Alpha, TransformGroup, float[]) </code></I><P><DD>Constructs a new PathInterpolator object that interpolates between the knot values in the knots array. The array of knots is copied into this PathInterpolator object.<P><DL><DT><B>Parameters:</B><DD><CODE>alpha</CODE> - the alpha object for this interpolator.<DD><CODE>knots</CODE> - an array of knot values that specify interpolation points.</DL></DL><HR><A NAME="PathInterpolator(javax.media.j3d.Alpha, javax.media.j3d.TransformGroup, float[])"><!-- --></A><H3>PathInterpolator</H3><PRE>public <B>PathInterpolator</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)</PRE><DL><DD>Constructs a new PathInterpolator object that interpolates between the knot values in the knots array. The array of knots⌨️ 快捷键说明
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