positionpathinterpolator.html

JAVA多媒体开发类库说明

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<A NAME="getPosition(int, javax.vecmath.Point3f)"><!-- --></A><H3>
getPosition</H3>
<PRE>
public void <B>getPosition</B>(int&nbsp;index,
                        <A HREF="../../../javax/vecmath/Point3f.html" title="class in javax.vecmath">Point3f</A>&nbsp;position)</PRE>
<DL>
<DD>Retrieves the position value at the specified index.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index of the value requested<DD><CODE>position</CODE> - the variable to receive the position value at
 the specified index</DL>
</DD>
</DL>
<HR>

<A NAME="setPathArrays(float[], javax.vecmath.Point3f[])"><!-- --></A><H3>
setPathArrays</H3>
<PRE>
public void <B>setPathArrays</B>(float[]&nbsp;knots,
                          <A HREF="../../../javax/vecmath/Point3f.html" title="class in javax.vecmath">Point3f</A>[]&nbsp;positions)</PRE>
<DL>
<DD>Replaces the existing arrays of knot values
 and position values with the specified arrays.
 The arrays of knots and positions are copied
 into this interpolator object.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>knots</CODE> - a new array of knot values that specify
 interpolation points<DD><CODE>positions</CODE> - a new array of position values at the knots
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if the lengths of the
 knots and positions arrays are not the same.<DT><B>Since:</B></DT>
  <DD>Java 3D 1.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getPositions(javax.vecmath.Point3f[])"><!-- --></A><H3>
getPositions</H3>
<PRE>
public void <B>getPositions</B>(<A HREF="../../../javax/vecmath/Point3f.html" title="class in javax.vecmath">Point3f</A>[]&nbsp;positions)</PRE>
<DL>
<DD>Copies the array of position values from this interpolator
 into the specified array.
 The array must be large enough to hold all of the positions.
 The individual array elements must be allocated by the caller.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>positions</CODE> - array that will receive the positions<DT><B>Since:</B></DT>
  <DD>Java 3D 1.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="setAxisOfTranslation(javax.media.j3d.Transform3D)"><!-- --></A><H3>
setAxisOfTranslation</H3>
<PRE>
public void <B>setAxisOfTranslation</B>(<A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;axisOfTranslation)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Java 3D version 1.3, replaced by
 <code>TransformInterpolator.setTransformAxis(Transform3D)</code></I>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAxisOfTranslation()"><!-- --></A><H3>
getAxisOfTranslation</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A> <B>getAxisOfTranslation</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Java 3D version 1.3, replaced by
 <code>TransformInterpolator.getTransformAxis()</code></I>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="computeTransform(float, javax.media.j3d.Transform3D)"><!-- --></A><H3>
computeTransform</H3>
<PRE>
public void <B>computeTransform</B>(float&nbsp;alphaValue,
                             <A HREF="../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;transform)</PRE>
<DL>
<DD>Computes the new transform for this interpolator for a given
 alpha value.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/media/j3d/TransformInterpolator.html#computeTransform(float, javax.media.j3d.Transform3D)">computeTransform</A></CODE> in class <CODE><A HREF="../../../javax/media/j3d/TransformInterpolator.html" title="class in javax.media.j3d">TransformInterpolator</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>alphaValue</CODE> - alpha value between 0.0 and 1.0<DD><CODE>transform</CODE> - object that receives the computed transform for
 the specified alpha value<DT><B>Since:</B></DT>
  <DD>Java 3D 1.3</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="cloneNode(boolean)"><!-- --></A><H3>
cloneNode</H3>
<PRE>
public <A HREF="../../../javax/media/j3d/Node.html" title="class in javax.media.j3d">Node</A> <B>cloneNode</B>(boolean&nbsp;forceDuplicate)</PRE>
<DL>
<DD>Used to create a new instance of the node.  This routine is called
 by <code>cloneTree</code> to duplicate the current node.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/media/j3d/Node.html#cloneNode(boolean)">cloneNode</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>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>See Also:</B><DD><A HREF="../../../javax/media/j3d/Node.html#cloneTree()"><CODE>Node.cloneTree()</CODE></A>, 
<A HREF="../../../javax/media/j3d/Node.html#cloneNode(boolean)"><CODE>Node.cloneNode(boolean)</CODE></A>, 
<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/NodeComponent.html#setDuplicateOnCloneTree(boolean)"><CODE>NodeComponent.setDuplicateOnCloneTree(boolean)</CODE></A></DL>
</DD>
</DL>
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