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/*
* $RCSfile$
*
* Copyright (c) 2004 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);
}
}
}
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