kbsplinepathinterpolator.html

这是一个JAVA的代码

 knot value strictly greater than the knot value of a key frame with 
 index less than k. Once this constructor has all the valid key frames
 it creates its own list of key fames that duplicates the first key frame
 at the beginning of the list and the last key frame at the end of the
 list.
<P>
<DT><B>Parameters:</B><DD><CODE>alpha</CODE> - the alpha object for this interpolator<DD><CODE>target</CODE> - the TransformGroup node affected by this interpolator<DD><CODE>keys</CODE> - an array of KBKeyFrame. Requires at least two key frames.<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
</DL>
<HR>

<A NAME="KBSplinePathInterpolator(javax.media.j3d.Alpha, javax.media.j3d.TransformGroup, javax.media.j3d.Transform3D, com.sun.j3d.utils.behaviors.interpolators.KBKeyFrame[])"><!-- --></A><H3>
KBSplinePathInterpolator</H3>
<PRE>
public <B>KBSplinePathInterpolator</B>(<A HREF="../../../../../../javax/media/j3d/Alpha.html">Alpha</A>&nbsp;alpha,
                                <A HREF="../../../../../../javax/media/j3d/TransformGroup.html">TransformGroup</A>&nbsp;target,
                                <A HREF="../../../../../../javax/media/j3d/Transform3D.html">Transform3D</A>&nbsp;axisOfTransform,
                                <A HREF="../../../../../../com/sun/j3d/utils/behaviors/interpolators/KBKeyFrame.html">KBKeyFrame</A>[]&nbsp;keys)</PRE>
<DL>
<DD>Constructs a new KBSplinePathInterpolator object that interpolates
 between keyframes with specified alpha, target and axisOfTransform.
 It takes at least two key frames. The first key 
 frame's knot must have a value of 0.0 and the last knot must have a
 value of 1.0.  An intermediate key frame with index k must have a 
 knot value strictly greater than the knot value of a key frame with 
 index less than k. Once this constructor has all the valid key frames
 it creates its own list of key fames that duplicates the first key frame
 at the beginning of the list and the last key frame at the end of the
 list.
<P>
<DT><B>Parameters:</B><DD><CODE>alpha</CODE> - the alpha object for this interpolator<DD><CODE>target</CODE> - the TransformGroup node affected by this interpolator<DD><CODE>axisOfTransform</CODE> - the transform that defines the local coordinate<DD><CODE>keys</CODE> - an array of KBKeyFrame. Requires at least two key frames<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
</DL>

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<A NAME="getArrayLength()"><!-- --></A><H3>
getArrayLength</H3>
<PRE>
public int <B>getArrayLength</B>()</PRE>
<DL>
<DD>This method retrieves the length of the key frame array.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the number of key frames</DL>
</DD>
</DL>
<HR>

<A NAME="getKeyFrame(int)"><!-- --></A><H3>
getKeyFrame</H3>
<PRE>
public <A HREF="../../../../../../com/sun/j3d/utils/behaviors/interpolators/KBKeyFrame.html">KBKeyFrame</A> <B>getKeyFrame</B>(int&nbsp;index)</PRE>
<DL>
<DD>This method retrieves the key frame at the specified index.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index of the key frame requested
<DT><B>Returns:</B><DD>the key frame at the associated index</DL>
</DD>
</DL>
<HR>

<A NAME="setKeyFrame(int, com.sun.j3d.utils.behaviors.interpolators.KBKeyFrame)"><!-- --></A><H3>
setKeyFrame</H3>
<PRE>
public void <B>setKeyFrame</B>(int&nbsp;index,
                        <A HREF="../../../../../../com/sun/j3d/utils/behaviors/interpolators/KBKeyFrame.html">KBKeyFrame</A>&nbsp;keyFrame)</PRE>
<DL>
<DD>Set the key frame at the specified index to <code>keyFrame</code>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - Index of the key frame to change<DD><CODE>keyFrame</CODE> - The new key frame<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="setKeyFrames(com.sun.j3d.utils.behaviors.interpolators.KBKeyFrame[])"><!-- --></A><H3>
setKeyFrames</H3>
<PRE>
public void <B>setKeyFrames</B>(<A HREF="../../../../../../com/sun/j3d/utils/behaviors/interpolators/KBKeyFrame.html">KBKeyFrame</A>[]&nbsp;keyFrames)</PRE>
<DL>
<DD>Set allthe key frames
<P>
<DD><DL>
<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="computePathInterpolation()"><!-- --></A><H3>
computePathInterpolation</H3>
<PRE>
protected void <B>computePathInterpolation</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Java 3D version 1.3, replaced by
 <code>computePathInterpolation(float)</code></I>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="computePathInterpolation(float)"><!-- --></A><H3>
computePathInterpolation</H3>
<PRE>
protected void <B>computePathInterpolation</B>(float&nbsp;alphaValue)</PRE>
<DL>
<DD>This method computes the bounding knot indices and interpolation value
 "CurrentU" given the current value of the knots[] array and the 
 specified alpha value
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>alphaValue</CODE> - alpha value between 0.0 and 1.0<DT><B>Since:</B><DD>Java 3D 1.3</DD>
</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="duplicateNode(javax.media.j3d.Node, boolean)"><!-- --></A><H3>
duplicateNode</H3>
<PRE>
public void <B>duplicateNode</B>(<A HREF="../../../../../../javax/media/j3d/Node.html">Node</A>&nbsp;originalNode,
                          boolean&nbsp;forceDuplicate)</PRE>
<DL>
<DD>Copies all KBSplinePathInterpolator information from
 <code>originalNode</code> into
 the current node.  This method is called from the
 <code>cloneNode</code> method which is, in turn, called by the
 <code>cloneTree</code> method.<P>
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../../javax/media/j3d/Node.html#duplicateNode(javax.media.j3d.Node, boolean)">duplicateNode</A></CODE> in class <CODE><A HREF="../../../../../../javax/media/j3d/Node.html">Node</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>originalNode</CODE> - the original node to duplicate.<DD><CODE>forceDuplicate</CODE> - when set to <code>true</code>, causes the
  <code>duplicateOnCloneTree</code> flag to be ignored.  When
  <code>false</code>, the value of each node's
  <code>duplicateOnCloneTree</code> variable determines whether
  NodeComponent data is duplicated or copied.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../../javax/media/j3d/RestrictedAccessException.html">RestrictedAccessException</A></CODE> - if this object is part of a live
  or compiled scenegraph.<DT><B>See Also:</B><DD><A HREF="../../../../../../javax/media/j3d/Node.html#duplicateNode(javax.media.j3d.Node, boolean)"><CODE>Node.duplicateNode(javax.media.j3d.Node, boolean)</CODE></A>, 
<A HREF="../../../../../../javax/media/j3d/Node.html#cloneTree()"><CODE>Node.cloneTree()</CODE></A>, 
<A HREF="../../../../../../javax/media/j3d/NodeComponent.html#setDuplicateOnCloneTree(boolean)"><CODE>NodeComponent.setDuplicateOnCloneTree(boolean)</CODE></A></DL>
</DD>
</DL>
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