001: /*
002: * $RCSfile: PickHighlightBehavior.java,v $
003: *
004: * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * - Redistribution of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * - Redistribution in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * Neither the name of Sun Microsystems, Inc. or the names of
019: * contributors may be used to endorse or promote products derived
020: * from this software without specific prior written permission.
021: *
022: * This software is provided "AS IS," without a warranty of any
023: * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
024: * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
025: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
026: * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
027: * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
028: * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
029: * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
030: * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
031: * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
032: * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
033: * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
034: * POSSIBILITY OF SUCH DAMAGES.
035: *
036: * You acknowledge that this software is not designed, licensed or
037: * intended for use in the design, construction, operation or
038: * maintenance of any nuclear facility.
039: *
040: * $Revision: 1.2 $
041: * $Date: 2007/02/09 17:21:48 $
042: * $State: Exp $
043: */
044:
045: package org.jdesktop.j3d.examples.picking;
046:
047: import javax.media.j3d.*;
048: import com.sun.j3d.utils.picking.PickTool;
049: import com.sun.j3d.utils.picking.PickResult;
050: import com.sun.j3d.utils.picking.behaviors.PickMouseBehavior;
051: import java.util.*;
052: import java.awt.*;
053: import java.awt.Event;
054: import java.awt.AWTEvent;
055: import java.awt.event.MouseEvent;
056: import javax.vecmath.*;
057:
058: public class PickHighlightBehavior extends PickMouseBehavior {
059: Appearance savedAppearance = null;
060: Shape3D oldShape = null;
061: Appearance highlightAppearance;
062:
063: public PickHighlightBehavior(Canvas3D canvas, BranchGroup root,
064: Bounds bounds) {
065: super (canvas, root, bounds);
066: this .setSchedulingBounds(bounds);
067: root.addChild(this );
068: Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
069: Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
070: Color3f highlightColor = new Color3f(0.0f, 1.0f, 0.0f);
071: Material highlightMaterial = new Material(highlightColor,
072: black, highlightColor, white, 80.0f);
073: highlightAppearance = new Appearance();
074: highlightAppearance.setMaterial(new Material(highlightColor,
075: black, highlightColor, white, 80.0f));
076:
077: pickCanvas.setMode(PickTool.BOUNDS);
078: }
079:
080: public void updateScene(int xpos, int ypos) {
081: PickResult pickResult = null;
082: Shape3D shape = null;
083:
084: pickCanvas.setShapeLocation(xpos, ypos);
085:
086: pickResult = pickCanvas.pickClosest();
087: if (pickResult != null) {
088: shape = (Shape3D) pickResult.getNode(PickResult.SHAPE3D);
089: }
090:
091: if (oldShape != null) {
092: oldShape.setAppearance(savedAppearance);
093: }
094: if (shape != null) {
095: savedAppearance = shape.getAppearance();
096: oldShape = shape;
097: shape.setAppearance(highlightAppearance);
098: }
099: }
100: }
|