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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Fri Apr 18 11:16:56 PDT 2003 --><TITLE>WandViewBehavior.ScaleListener2D (Java 3D API)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../../stylesheet.css" TITLE="Style"></HEAD><SCRIPT>function asd(){parent.document.title="WandViewBehavior.ScaleListener2D (Java 3D API)";}</SCRIPT><BODY BGCOLOR="white" onload="asd();"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.RotationListener6D.html"><B>PREV CLASS</B></A> <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ScaleListener6D.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="WandViewBehavior.ScaleListener2D.html" TARGET="_top"><B>NO FRAMES</B></A> <SCRIPT> <!-- if(window==top) { document.writeln('<A HREF="../../../../../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT><A HREF="../../../../../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#fields_inherited_from_class_com.sun.j3d.utils.behaviors.vp.WandViewBehavior.ListenerBase">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.sun.j3d.utils.behaviors.vp</FONT><BR>Class WandViewBehavior.ScaleListener2D</H2><PRE>java.lang.Object | +--<A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorInputAdaptor.html">com.sun.j3d.utils.behaviors.sensor.SensorInputAdaptor</A> | +--<A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html">com.sun.j3d.utils.behaviors.vp.WandViewBehavior.ListenerBase</A> | +--<B>com.sun.j3d.utils.behaviors.vp.WandViewBehavior.ScaleListener2D</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorButtonListener.html">SensorButtonListener</A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorReadListener.html">SensorReadListener</A></DD></DL><DL><DT><B>Enclosing class:</B><DD><A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.html">WandViewBehavior</A></DD></DL><HR><DL><DT>public class <B>WandViewBehavior.ScaleListener2D</B><DT>extends <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html">WandViewBehavior.ListenerBase</A></DL><P>Implements a 2D valuator listener that scales the view platform. Pushing the valuator forwards gives the appearance of the virtual world increasing in size, while pushing the valuator backwards makes the virtual world appear to shrink. The X and Y values from the valuator should have a continuous range from -1.0 to +1.0, although the scale speed can be adjusted to compensate for a different range. <p> This listener will work in conjunction with a 6DOF sensor if supplied in the constructor. If <code>setTransformCenterSource</code> has been called with the value <code>HOTSPOT</code>, then scaling is about the 6DOF sensor's hotspot; otherwise, the scaling center is the value set by <code>setTransformCenter</code>.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.html#setReadAction2D(int)"><CODE>WandViewBehavior.setReadAction2D(int)</CODE></A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.html#setButtonAction2D(int, int)"><CODE>WandViewBehavior.setButtonAction2D(int, int)</CODE></A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.html#setScaleSpeed(double, int)"><CODE>WandViewBehavior.setScaleSpeed(double, int)</CODE></A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.html#setTransformCenter(javax.vecmath.Point3d)"><CODE>WandViewBehavior.setTransformCenter(javax.vecmath.Point3d)</CODE></A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.html#setThreshold2D(double)"><CODE>WandViewBehavior.setThreshold2D(double)</CODE></A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.html#setMatrixIndices2D(int, int)"><CODE>WandViewBehavior.setMatrixIndices2D(int, int)</CODE></A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR></TABLE> <A NAME="fields_inherited_from_class_com.sun.j3d.utils.behaviors.vp.WandViewBehavior.ListenerBase"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class com.sun.j3d.utils.behaviors.vp.<A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html">WandViewBehavior.ListenerBase</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#sensorToTracker">sensorToTracker</A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#sensorToVworld">sensorToVworld</A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#trackerToVworld">trackerToVworld</A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#viewPlatformToVworld">viewPlatformToVworld</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ScaleListener2D.html#WandViewBehavior.ScaleListener2D(javax.media.j3d.Sensor, javax.media.j3d.Sensor)">WandViewBehavior.ScaleListener2D</A></B>(<A HREF="../../../../../../javax/media/j3d/Sensor.html">Sensor</A> sensor2D, <A HREF="../../../../../../javax/media/j3d/Sensor.html">Sensor</A> sensor6D)</CODE><BR> Construct an instance of this class with the specified sensors.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></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="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ScaleListener2D.html#dragged(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">dragged</A></B>(<A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorEvent.html">SensorEvent</A> e)</CODE><BR> This method is called with each invocation of the <code>dispatchEvents</code> method of <code>SensorEventAgent</code> if any button bound to the listener is down and has not changed state since the last invocation.</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="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ScaleListener2D.html#endAction(javax.media.j3d.Sensor)">endAction</A></B>(<A HREF="../../../../../../javax/media/j3d/Sensor.html">Sensor</A> s)</CODE><BR> Ends the action.</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="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ScaleListener2D.html#initAction(javax.media.j3d.Sensor)">initAction</A></B>(<A HREF="../../../../../../javax/media/j3d/Sensor.html">Sensor</A> s)</CODE><BR> Initializes the listener action.</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="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ScaleListener2D.html#pressed(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">pressed</A></B>(<A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorEvent.html">SensorEvent</A> e)</CODE><BR> This method is called when a sensor's button is pressed.</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="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ScaleListener2D.html#read(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">read</A></B>(<A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorEvent.html">SensorEvent</A> e)</CODE><BR> This method is called each time the <code>dispatchEvents</code> method of <code>SensorEventAgent</code> is called and none of a sensor's buttons have been handled by a button listener.</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="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ScaleListener2D.html#released(com.sun.j3d.utils.behaviors.sensor.SensorEvent)">released</A></B>(<A HREF="../../../../../../com/sun/j3d/utils/behaviors/sensor/SensorEvent.html">SensorEvent</A> e)</CODE><BR> This method is called when a sensor's button is released.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_com.sun.j3d.utils.behaviors.vp.WandViewBehavior.ListenerBase"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class com.sun.j3d.utils.behaviors.vp.<A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html">WandViewBehavior.ListenerBase</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#conditionViewScale(javax.media.j3d.Transform3D)">conditionViewScale</A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#getPhysicalToViewPlatformScale()">getPhysicalToViewPlatformScale</A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#getPhysicalToVirtualScale()">getPhysicalToVirtualScale</A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#isActive()">isActive</A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#transformAboutCenter(javax.media.j3d.Transform3D, javax.vecmath.Point3d, javax.media.j3d.Transform3D)">transformAboutCenter</A>, <A HREF="../../../../../../com/sun/j3d/utils/behaviors/vp/WandViewBehavior.ListenerBase.html#translateTransform(javax.media.j3d.Transform3D, javax.vecmath.Vector3d)">translateTransform</A></CODE></TD></TR>⌨️ 快捷键说明
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