sensorreadlistener.java

JAVA3D矩陈的相关类

/*
 * $RCSfile: SensorReadListener.java,v $
 *
 * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * - Redistribution of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
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 * - Redistribution in binary form must reproduce the above copyright
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 *   distribution.
 *
 * Neither the name of Sun Microsystems, Inc. or the names of
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
 * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
 * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
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 * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
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 *
 * You acknowledge that this software is not designed, licensed or
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 *
 * $Revision: 1.4 $
 * $Date: 2007/02/09 17:20:15 $
 * $State: Exp $
 */

package com.sun.j3d.utils.behaviors.sensor ;

/**
 * This defines the interface for handling a sensor's read events in
 * conjuction with a <code>SensorEventAgent</code> instance.
 * <p>
 * The events passed to this listener's methods are <i>ephemeral</i>; they
 * are only valid until the listener has returned.  If a listener needs to
 * retain the event it must be copied using the
 * <code>SensorEvent(SensorEvent)</code> constructor.
 * 
 * @see SensorEvent
 * @see SensorEventAgent
 * @see SensorButtonListener
 * @since Java 3D 1.3
 */
public interface SensorReadListener {
    /**
     * 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.  The
     * sensor read value has not necessarily changed since the last read
     * event.
     * 
     * @param e the sensor event
     */
    public void read(SensorEvent e) ;
}