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The Java 3D API Specification (2nd Edition)
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The Java 3D API Specification (2nd Edition).iso
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AudioBehaviorMoveOne.java
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2000-04-28
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/*
* @(#)AudioBehaviorMoveOne.java 1.4 00/02/10 13:15:02
*
* Copyright (c) 1996-2000 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* 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 AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
import javax.media.j3d.*;
import javax.vecmath.*;
import java.util.Enumeration;
// User defined audio behavior class
public class AudioBehaviorMoveOne extends Behavior {
WakeupOnElapsedTime wt;
WakeupOnBehaviorPost wp;
PointSound psound = new PointSound();
static int WAKEUP_SOUND = 0;
long dur;
// long time;
// long lastTime = -1;
boolean first_loop = true;
String fileName;
// Override Behavior's initialize method to setup wakeup criteria
public void initialize() {
MediaContainer sample = new MediaContainer();
sample.setCapability(MediaContainer.ALLOW_URL_WRITE);
sample.setCapability(MediaContainer.ALLOW_URL_READ);
sample.setURLString(fileName);
psound.setSoundData(sample);
// exaggerate the sound position now that viewPlatform
// tranform is taken into account
Point3f soundPos = new Point3f(-20.0f, 0.0f, 0.0f);
psound.setPosition(soundPos);
WakeupOnElapsedTime wp = new WakeupOnElapsedTime(5000);
wakeupOn(wp);
}
// Override Behavior's stimulus method to handle the event
public void processStimulus(Enumeration criteria) {
// time = System.currentTimeMillis();
if (first_loop) {
first_loop = false;
dur = psound.getDuration();
if (dur == Sound.DURATION_UNKNOWN)
dur = 2000; // Force iterations every 2 seconds
// System.out.println(" sound duration time " + dur);
wt = new WakeupOnElapsedTime(dur);
}
else {
// System.out.println(" time between setEnables calls "+
// (time - lastTime));
psound.setEnable(false) ;
}
psound.setEnable(true);
// lastTime = time;
wakeupOn(wt);
}
//
// Constructor for rotation behavior. Parameter: front and back Sound nodes
//
public AudioBehaviorMoveOne(PointSound psound, String filename) {
this.psound = psound;
this.fileName = filename;
}
}