wandviewbehavior.listenerbase.html

JAVA多媒体开发类库说明

<PRE>
protected void <B>endAction</B>(<A HREF="../../../../../../javax/media/j3d/Sensor.html" title="class in javax.media.j3d">Sensor</A>&nbsp;s)</PRE>
<DL>
<DD>Ends the action.  Subclasses must be call this from
 <code>released</code> or when a 2D valuator enters the deadzone
 threshold.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>s</CODE> - reference to a 6DOF sensor if used by the listener; may
  be <code>null</code></DL>
</DD>
</DL>
<HR>

<A NAME="isActive()"><!-- --></A><H3>
isActive</H3>
<PRE>
protected boolean <B>isActive</B>()</PRE>
<DL>
<DD>Returns true if the listener is currently active; that is, if
 <code>initAction</code> has been called but not yet
 <code>endAction</code>.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>true if the listener is active, false otherwise</DL>
</DD>
</DL>
<HR>

<A NAME="pressed(com.sun.j3d.utils.behaviors.sensor.SensorEvent)"><!-- --></A><H3>
pressed</H3>
<PRE>
public void <B>pressed</B>(<A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorEvent.html" title="class in com.sun.j3d.utils.behaviors.sensor">SensorEvent</A>&nbsp;e)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorButtonListener.html#pressed(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">SensorButtonListener</A></CODE></B></DD>
<DD>This method is called when a sensor's button is pressed.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorButtonListener.html#pressed(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">pressed</A></CODE> in interface <CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorButtonListener.html" title="interface in com.sun.j3d.utils.behaviors.sensor">SensorButtonListener</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorInputAdaptor.html#pressed(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">pressed</A></CODE> in class <CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorInputAdaptor.html" title="class in com.sun.j3d.utils.behaviors.sensor">SensorInputAdaptor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>e</CODE> - the sensor event</DL>
</DD>
</DL>
<HR>

<A NAME="released(com.sun.j3d.utils.behaviors.sensor.SensorEvent)"><!-- --></A><H3>
released</H3>
<PRE>
public void <B>released</B>(<A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorEvent.html" title="class in com.sun.j3d.utils.behaviors.sensor">SensorEvent</A>&nbsp;e)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorButtonListener.html#released(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">SensorButtonListener</A></CODE></B></DD>
<DD>This method is called when a sensor's button is released.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorButtonListener.html#released(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">released</A></CODE> in interface <CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorButtonListener.html" title="interface in com.sun.j3d.utils.behaviors.sensor">SensorButtonListener</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorInputAdaptor.html#released(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">released</A></CODE> in class <CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorInputAdaptor.html" title="class in com.sun.j3d.utils.behaviors.sensor">SensorInputAdaptor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>e</CODE> - the sensor event</DL>
</DD>
</DL>
<HR>

<A NAME="getPhysicalToVirtualScale()"><!-- --></A><H3>
getPhysicalToVirtualScale</H3>
<PRE>
protected double <B>getPhysicalToVirtualScale</B>()</PRE>
<DL>
<DD>Gets the physical to virtual scale.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getPhysicalToViewPlatformScale()"><!-- --></A><H3>
getPhysicalToViewPlatformScale</H3>
<PRE>
protected double <B>getPhysicalToViewPlatformScale</B>()</PRE>
<DL>
<DD>Gets the scale from physical units to view platform units.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="translateTransform(javax.media.j3d.Transform3D, javax.vecmath.Vector3d)"><!-- --></A><H3>
translateTransform</H3>
<PRE>
protected void <B>translateTransform</B>(<A HREF="../../../../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;transform,
                                  <A HREF="../../../../../../javax/vecmath/Vector3d.html" title="class in javax.vecmath">Vector3d</A>&nbsp;translation)</PRE>
<DL>
<DD>Translates a coordinate system.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>transform</CODE> - the coordinate system to be translated<DD><CODE>translation</CODE> - the vector by which to translate</DL>
</DD>
</DL>
<HR>

<A NAME="transformAboutCenter(javax.media.j3d.Transform3D, javax.vecmath.Point3d, javax.media.j3d.Transform3D)"><!-- --></A><H3>
transformAboutCenter</H3>
<PRE>
protected void <B>transformAboutCenter</B>(<A HREF="../../../../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;target,
                                    <A HREF="../../../../../../javax/vecmath/Point3d.html" title="class in javax.vecmath">Point3d</A>&nbsp;center,
                                    <A HREF="../../../../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;transform)</PRE>
<DL>
<DD>Transforms the target coordinate system about a center point.
 This can be used for rotation and scaling.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>target</CODE> - the coordinate system to transform<DD><CODE>center</CODE> - the center point about which to transform<DD><CODE>transform</CODE> - the transform to apply</DL>
</DD>
</DL>
<HR>

<A NAME="conditionViewScale(javax.media.j3d.Transform3D)"><!-- --></A><H3>
conditionViewScale</H3>
<PRE>
protected void <B>conditionViewScale</B>(<A HREF="../../../../../../javax/media/j3d/Transform3D.html" title="class in javax.media.j3d">Transform3D</A>&nbsp;viewPlatformToVworld)</PRE>
<DL>
<DD>Equalizes the scale factors in the view tranform, which must be
 congruent.  If successful, the <code>ViewingPlatform
 TransformGroup</code> is updated; otherwise, its transform is reset
 to the home transform.  This should be called if multiple
 incremental scale factors are applied to the view transform.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>viewPlatformToVworld</CODE> - the view transform</DL>
</DD>
</DL>
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