001: /*
002: * $RCSfile: ProximityBehavior.java,v $
003: *
004: * @(#)ProximityBehavior.java 1.7 98/11/05 20:34:56
005: *
006: * Copyright (c) 1996-1998 Sun Microsystems, Inc. All Rights Reserved.
007: *
008: * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
009: * modify and redistribute this software in source and binary code form,
010: * provided that i) this copyright notice and license appear on all copies of
011: * the software; and ii) Licensee does not utilize the software in a manner
012: * which is disparaging to Sun.
013: *
014: * This software is provided "AS IS," without a warranty of any kind. ALL
015: * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
016: * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
017: * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
018: * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
019: * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
020: * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
021: * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
022: * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
023: * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
024: * POSSIBILITY OF SUCH DAMAGES.
025: *
026: * This software is not designed or intended for use in on-line control of
027: * aircraft, air traffic, aircraft navigation or aircraft communications; or in
028: * the design, construction, operation or maintenance of any nuclear
029: * facility. Licensee represents and warrants that it will not use or
030: * redistribute the Software for such purposes.
031: *
032: * $Revision: 1.2 $
033: * $Date: 2005/02/03 23:07:00 $
034: * $State: Exp $
035: */
036: /*
037: * @Author: Rick Goldberg
038: *
039: */
040: package org.jdesktop.j3d.loaders.vrml97.impl;
041:
042: import javax.media.j3d.*;
043:
044: /** Description of the Class */
045: public class ProximityBehavior extends Behavior {
046:
047: ProximitySensor owner;
048: WakeupOnViewPlatformEntry woven;
049: WakeupOnViewPlatformExit wovex;
050: WakeupCriterion[] conditions;
051: WakeupOr wor;
052: boolean active = false;
053:
054: /**
055: *Constructor for the ProximityBehavior object
056: *
057: *@param ps Description of the Parameter
058: */
059: public ProximityBehavior(ProximitySensor ps) {
060: owner = ps;
061: }
062:
063: /** Description of the Method */
064: public void initialize() {
065: setSchedulingBounds(owner.bbox);
066: wovex = new WakeupOnViewPlatformExit(owner.bbox);
067: woven = new WakeupOnViewPlatformEntry(owner.bbox);
068: conditions = new WakeupCriterion[2];
069: conditions[0] = wovex;
070: conditions[1] = woven;
071: wor = new WakeupOr(conditions);
072: wakeupOn(wor);
073: }
074:
075: // TODO: the Browser should maintain a list of objects interested
076: // in the current position and orientation of the view platform.
077: // when woven happens, we should add to that to generate
078: // the proper eventOuts from the ProximitySensor;
079: // Additionally to correctly implement, the eventOuts must be in the
080: // Bounds own coordinate system.
081:
082: /**
083: * Description of the Method
084: *
085: *@param ofElements Description of the Parameter
086: */
087: public void processStimulus(java.util.Enumeration ofElements) {
088: WakeupCriterion wakeup;
089: double t = Time.getNow();
090: while (ofElements.hasMoreElements()) {
091: wakeup = (WakeupCriterion) ofElements.nextElement();
092: if (wakeup instanceof WakeupOnViewPlatformExit) {
093: owner.exitTime.setValue(t);
094: active = false;
095: owner.isActive.setValue(active);
096: wakeupOn(new WakeupOnViewPlatformEntry(owner.bbox));
097: //System.out.println("DEBUG: ProximtyBehavior:exit");
098: } else if (wakeup instanceof WakeupOnViewPlatformEntry) {
099: owner.enterTime.setValue(t);
100: active = true;
101: owner.isActive.setValue(active);
102: wakeupOn(new WakeupOnViewPlatformExit(owner.bbox));
103: //System.out.println("DEBUG: ProximtyBehavior:entry");
104: }
105: }
106: }
107: }
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