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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 com.sun.j3d.utils.pickfast.behaviors.*;
-import com.sun.j3d.utils.pickfast.*;
-
-import java.applet.Applet;
-import java.awt.BorderLayout;
-import java.awt.event.*;
-import java.awt.Component;
-import com.sun.j3d.utils.applet.MainFrame;
-import com.sun.j3d.utils.universe.*;
-import javax.media.j3d.*;
-import javax.vecmath.*;
-import java.awt.Point;
-import javax.swing.*;
-import javax.swing.border.BevelBorder;
-
-/**
- * PickTest shows how to use the Picking utilities on various GeometryArray
- * subclasses and Morph object.
- * Type of Geometry : CompressedGeometry ( GullCG.java )
- * IndexedQuadArray ( CubeIQA.java )
- * TriangleArray ( TetrahedronTA.java )
- * IndexedTriangleArray ( TetrahedronITA.java )
- * TriangleFanArray ( OctahedronTFA.java )
- * IndexedTriangleFanArray ( OctahedronITA.java )
- * TriangleStripArray ( IcosahedronTFA.java )
- * IndexedTriangleStripArray ( IcosahedronITA.java )
- * PointArray( TetrahedronPA.java )
- * LineArray( TetrahedronLA.java )
- * IndexLineArray( TetrahedronILA.java )
- * LineStripArray( TetrahedronLSA.java )
- * IndexLineStripArray( TetrahedronILSA.java )
- *
- * Morph Object uses : QuadArray ( ColorCube.java, ColorPyramidDown.java,
- * and ColorPyramidUp.java ).
- */
-
-public class PickTest extends Applet implements ActionListener {
-
- private View view = null;
- private QuadArray geomMorph[] = new QuadArray[3];
- private Morph morph;
-
- private PickRotateBehavior behavior1;
- private PickZoomBehavior behavior2;
- private PickTranslateBehavior behavior3;
-
- private SimpleUniverse u = null;
-
- public BranchGroup createSceneGraph(Canvas3D canvas)
- {
- // Create the root of the branch graph
- BranchGroup objRoot = new BranchGroup();
-
- // Create a Transformgroup to scale all objects so they
- // appear in the scene.
- TransformGroup objScale = new TransformGroup();
- Transform3D t3d = new Transform3D();
- t3d.setScale(1.0);
- objScale.setTransform(t3d);
- objRoot.addChild(objScale);
-
- // Create a bunch of objects with a behavior and add them
- // into the scene graph.
-
- int row, col;
- int numRows = 4, numCols = 4;
-
- for (int i = 0; i < numRows; i++) {
- double ypos = (double)(i - numRows/2) * 0.45 + 0.25;
- for (int j = 0; j < numCols; j++) {
- double xpos = (double)(j - numCols/2) * 0.45 + 0.25;
- objScale.addChild(createObject(i * numCols + j, 0.1, xpos, ypos));
- }
- }
-
- BoundingSphere bounds =
- new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
-
- // Add a light.
- Color3f lColor = new Color3f(1.0f, 1.0f, 1.0f) ;
- Vector3f lDir = new Vector3f(0.0f, 0.0f, -1.0f) ;
-
- DirectionalLight lgt = new DirectionalLight(lColor, lDir) ;
- lgt.setInfluencingBounds(bounds) ;
- objRoot.addChild(lgt) ;
-
-
- // Now create the Alpha object that controls the speed of the
- // morphing operation.
- Alpha morphAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE |
- Alpha.DECREASING_ENABLE,
- 0, 0,
- 4000, 1000, 500,
- 4000, 1000, 500);
-
- // Finally, create the morphing behavior
- MorphingBehavior mBeh = new MorphingBehavior(morphAlpha, morph);
- mBeh.setSchedulingBounds(bounds);
- objRoot.addChild(mBeh);
-
- behavior1 = new PickRotateBehavior(objRoot, canvas, bounds);
- objRoot.addChild(behavior1);
-
- behavior2 = new PickZoomBehavior(objRoot, canvas, bounds);
- objRoot.addChild(behavior2);
-
- behavior3 = new PickTranslateBehavior(objRoot, canvas, bounds);
- objRoot.addChild(behavior3);
-
- // Let Java 3D perform optimizations on this scene graph.
- objRoot.compile();
-
- return objRoot;
- }
-
-
- private Group createObject(int index, double scale, double xpos, double ypos){
-
- Shape3D shape = null;
- Geometry geom = null;
-
- // Create a transform group node to scale and position the object.
- Transform3D t = new Transform3D();
- t.set(scale, new Vector3d(xpos, ypos, 0.0));
- TransformGroup objTrans = new TransformGroup(t);
- objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
- objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
- objTrans.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
-
- // Create a second transform group node and initialize it to the
- // identity. Enable the TRANSFORM_WRITE capability so that
- // our behavior code can modify it at runtime.
- TransformGroup spinTg = new TransformGroup();
- spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
- spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
- spinTg.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
-
- Appearance appearance = new Appearance();
-
- switch(index) {
- case 0:
- geom = new GullCG();
- break;
- case 1:
- geom = new TetrahedronTA();
- break;
- case 2:
- geom = new OctahedronTFA();
- break;
- case 3:
- geom = new IcosahedronTSA();
- break;
- case 4:
- geom = new CubeIQA();
- break;
- case 5:
- geom = new TetrahedronITA();
- break;
- case 6:
- geom = new OctahedronITFA();
- break;
- case 7:
- geom = new IcosahedronITSA();
- break;
- case 8:
- geomMorph[0] = new ColorPyramidUp();
- geomMorph[1] = new ColorCube();
- geomMorph[2] = new ColorPyramidDown();
- break;
- case 9:
- geom = new TetrahedronLA();
- break;
- case 10:
- geom = new TetrahedronILA();
- break;
- case 11:
- geom = new TetrahedronLSA();
- break;
- case 12:
- geom = new TetrahedronILSA();
- break;
- case 13:
- geom = new TetrahedronPA();
- break;
- case 14:
- geom = new TetrahedronIPA();
- break;
- // TODO: other geo types, Text3D?
- case 15:
- geom = new TetrahedronTA();
- break;
- }
-
- Material m = new Material() ;
-
- if(index == 8) {
- m.setLightingEnable(false) ;
- appearance.setMaterial(m) ;
- morph = new Morph((GeometryArray[]) geomMorph, appearance);
- morph.setCapability(Morph.ALLOW_WEIGHTS_READ);
- morph.setCapability(Morph.ALLOW_WEIGHTS_WRITE);
- spinTg.addChild(morph);
- } else {
- // Geometry picking require this to be set.
- if (index == 0)
- m.setLightingEnable(true) ;
- else
- m.setLightingEnable(false) ;
- appearance.setMaterial(m) ;
-
- if ((index == 13) || (index == 14)) {
- PointAttributes pa = new PointAttributes();
- pa.setPointSize(4.0f);
- appearance.setPointAttributes(pa);
- }
-
- shape = new Shape3D(geom,appearance);
- shape.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
- shape.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
- shape.setCapability(Shape3D.ENABLE_PICK_REPORTING);
- spinTg.addChild(shape);
- }
-
- // add it to the scene graph.
- objTrans.addChild(spinTg);
-
- return objTrans;
- }
-
- private void setPickMode(int mode) {
- behavior1.setMode(mode);
- behavior2.setMode(mode);
- behavior3.setMode(mode);
- }
-
- private void setPickTolerance(float tolerance) {
- behavior1.setTolerance(tolerance);
- behavior2.setTolerance(tolerance);
- behavior3.setTolerance(tolerance);
- }
-
- private void setViewMode(int mode) {
- view.setProjectionPolicy(mode);
- }
-
- // GUI stuff
-
- String pickModeString = new String("Pick Mode");
- String boundsString = new String("BOUNDS");
- String geometryString = new String("GEOMETRY");
- String toleranceString = new String("Pick Tolerance");
- String tolerance0String = new String("0");
- String tolerance2String = new String("2");
- String tolerance4String = new String("4");
- String tolerance8String = new String("8");
- String viewModeString = new String("View Mode");
- String perspectiveString = new String("Perspective");
- String parallelString = new String("Parallel");
-
- private void addRadioButton(JPanel panel, ButtonGroup bg, String ownerName,
- String buttonName, boolean selected) {
- JRadioButton item;
- item = new JRadioButton(buttonName);
- item.setName(ownerName);
- item.addActionListener(this);
- if (selected) {
- item.setSelected(true);
- }
- panel.add(item);
- bg.add(item);
- }
-
- private void setupGUI(JPanel panel) {
- ButtonGroup bg;
-
- panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
- panel.setBorder(new BevelBorder(BevelBorder.RAISED));
-
- panel.add(new JLabel(pickModeString));
- bg = new ButtonGroup();
- addRadioButton(panel, bg, pickModeString, boundsString, true);
- addRadioButton(panel, bg, pickModeString, geometryString, false);
-
- panel.add(new JLabel(toleranceString));
- bg = new ButtonGroup();
- addRadioButton(panel, bg, toleranceString, tolerance0String,false);
- addRadioButton(panel, bg, toleranceString, tolerance2String,true);
- addRadioButton(panel, bg, toleranceString, tolerance4String,false);
- addRadioButton(panel, bg, toleranceString, tolerance8String,false);
-
- panel.add(new JLabel(viewModeString));
- bg = new ButtonGroup();
- addRadioButton(panel, bg, viewModeString, perspectiveString, true);
- addRadioButton(panel, bg, viewModeString, parallelString, false);
-
- }
-
- public void actionPerformed(ActionEvent e) {
- String name = ((Component)e.getSource()).getName();
- String value = e.getActionCommand();
- //System.out.println("action: name = " + name + " value = " + value);
- if (name == pickModeString) {
- if (value == boundsString) {
- setPickMode(PickInfo.PICK_BOUNDS);
- } else if (value == geometryString) {
- setPickMode(PickInfo.PICK_GEOMETRY);
- } else {
- System.out.println("Unknown pick mode: " + value);
- }
- } else if (name == toleranceString) {
- if (value == tolerance0String) {
- setPickTolerance(0.0f);
- } else if (value == tolerance2String) {
- setPickTolerance(2.0f);
- } else if (value == tolerance4String) {
- setPickTolerance(4.0f);
- } else if (value == tolerance8String) {
- setPickTolerance(8.0f);
- } else {
- System.out.println("Unknown tolerance: " + value);
- }
- } else if (name == viewModeString) {
- if (value == perspectiveString) {
- setViewMode(View.PERSPECTIVE_PROJECTION);
- } else if (value == parallelString) {
- setViewMode(View.PARALLEL_PROJECTION);
- }
- } else {
- System.out.println("Unknown action name: " + name);
- }
- }
-
- public PickTest (){
- }
-
- public void init() {
- setLayout(new BorderLayout());
- Canvas3D c = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
- add("Center", c);
-
- JPanel guiPanel = new JPanel();
- setupGUI(guiPanel);
- add(guiPanel, BorderLayout.EAST);
-
- // Create a scene and attach it to the virtual universe
- BranchGroup scene = createSceneGraph(c);
- u = new SimpleUniverse(c);
-
- // This will move the ViewPlatform back a bit so the
- // objects in the scene can be viewed.
- u.getViewingPlatform().setNominalViewingTransform();
- view = u.getViewer().getView();
-
- u.addBranchGraph(scene);
- }
-
- public void destroy() {
- u.cleanup();
- }
-
-
- public static void main(String argv[])
- {
-
- BranchGroup group;
-
- new MainFrame(new PickTest(), 750, 550);
- }
-}
-
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