tcbsplinepathinterpolator.html

JAVA多媒体开发类库说明

TCBSplinePathInterpolator</H3>
<PRE>
public <B>TCBSplinePathInterpolator</B>(<A HREF="../../../../../../javax/media/j3d/Alpha.html" title="class in javax.media.j3d">Alpha</A>&nbsp;alpha,
                                 <A HREF="../../../../../../javax/media/j3d/TransformGroup.html" title="class in javax.media.j3d">TransformGroup</A>&nbsp;target,
                                 <A HREF="../../../../../../com/sun/j3d/utils/behaviors/interpolators/TCBKeyFrame.html" title="class in com.sun.j3d.utils.behaviors.interpolators">TCBKeyFrame</A>[]&nbsp;keys)</PRE>
<DL>
<DD>Constructs a new TCBSplinePathInterpolator object that interpolates
 between keyframes with specified alpha, target and default axisOfTransform
 set to identity. 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>
<DL>
<DT><B>Parameters:</B><DD><CODE>alpha</CODE> - the alpha object for this interpolator<DD><CODE>target</CODE> - the TransformGroup node effected by this TCBSplinePathInterpolator<DD><CODE>keys</CODE> - an array of TCBKeyFrame. Requires at least two key frames.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.3</DD>
</DL>
</DL>
<HR>

<A NAME="TCBSplinePathInterpolator(javax.media.j3d.Alpha, javax.media.j3d.TransformGroup, javax.media.j3d.Transform3D, com.sun.j3d.utils.behaviors.interpolators.TCBKeyFrame[])"><!-- --></A><H3>
TCBSplinePathInterpolator</H3>
<PRE>
public <B>TCBSplinePathInterpolator</B>(<A HREF="../../../../../../javax/media/j3d/Alpha.html" title="class in javax.media.j3d">Alpha</A>&nbsp;alpha,
                                 <A HREF="../../../../../../javax/media/j3d/TransformGroup.html" title="class in javax.media.j3d">TransformGroup</A>&nbsp;target,
                                 <A HREF="../../../../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;axisOfTransform,
                                 <A HREF="../../../../../../com/sun/j3d/utils/behaviors/interpolators/TCBKeyFrame.html" title="class in com.sun.j3d.utils.behaviors.interpolators">TCBKeyFrame</A>[]&nbsp;keys)</PRE>
<DL>
<DD>Constructs a new TCBSplinePathInterpolator 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>
<DL>
<DT><B>Parameters:</B><DD><CODE>alpha</CODE> - the alpha object for this interpolator<DD><CODE>target</CODE> - the TransformGroup node effected by this TCBSplinePathInterpolator<DD><CODE>axisOfTransform</CODE> - the transform that defines the local coordinate<DD><CODE>keys</CODE> - an array of TCBKeyFrame. Requires at least two key frames.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.3</DD>
</DL>
</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/TCBKeyFrame.html" title="class in com.sun.j3d.utils.behaviors.interpolators">TCBKeyFrame</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="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 specified value of alpha and the knots[] array.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>alphaValue</CODE> - alpha value between 0.0 and 1.0<DT><B>Since:</B></DT>
  <DD>Java 3D 1.3</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="duplicateNode(javax.media.j3d.Node, boolean)"><!-- --></A><H3>
duplicateNode</H3>
<PRE>
public void <B>duplicateNode</B>(<A HREF="../../../../../../javax/media/j3d/Node.html" title="class in javax.media.j3d">Node</A>&nbsp;originalNode,
                          boolean&nbsp;forceDuplicate)</PRE>
<DL>
<DD>Copies all TCBSplinePathInterpolator 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" title="class in javax.media.j3d">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" title="class in javax.media.j3d">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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