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-/*
- * $RCSfile$
- *
- * Copyright (c) 2006 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
- * are met:
- *
- * - Redistribution of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * 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
- * USING, MODIFYING OR DISTRIBUTING THIS 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 THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that this software is not designed, licensed or
- * intended for use in the design, construction, operation or
- * maintenance of any nuclear facility.
- *
- * $Revision$
- * $Date$
- * $State$
- */
-
-import javax.media.j3d.*;
-import com.sun.j3d.utils.picking.PickTool;
-import com.sun.j3d.utils.picking.PickResult;
-import com.sun.j3d.utils.picking.behaviors.PickMouseBehavior;
-import java.util.*;
-import java.awt.*;
-import java.awt.Event;
-import java.awt.AWTEvent;
-import java.awt.event.MouseEvent;
-import javax.vecmath.*;
-
-public class PickHighlightBehavior extends PickMouseBehavior {
- Appearance savedAppearance = null;
- Shape3D oldShape = null;
- Appearance highlightAppearance;
-
- public PickHighlightBehavior(Canvas3D canvas, BranchGroup root,
- Bounds bounds) {
- super(canvas, root, bounds);
- this.setSchedulingBounds(bounds);
- root.addChild(this);
- Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
- Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
- Color3f highlightColor = new Color3f(0.0f, 1.0f, 0.0f);
- Material highlightMaterial = new Material(highlightColor, black,
- highlightColor, white,
- 80.0f);
- highlightAppearance = new Appearance();
- highlightAppearance.setMaterial(new Material(highlightColor, black,
- highlightColor, white,
- 80.0f));
-
- pickCanvas.setMode(PickTool.BOUNDS);
- }
-
- public void updateScene(int xpos, int ypos) {
- PickResult pickResult = null;
- Shape3D shape = null;
-
- pickCanvas.setShapeLocation(xpos, ypos);
-
- pickResult = pickCanvas.pickClosest();
- if (pickResult != null) {
- shape = (Shape3D) pickResult.getNode(PickResult.SHAPE3D);
- }
-
- if (oldShape != null){
- oldShape.setAppearance(savedAppearance);
- }
- if (shape != null) {
- savedAppearance = shape.getAppearance();
- oldShape = shape;
- shape.setAppearance(highlightAppearance);
- }
- }
-}