/* Mykeynavbeh.java * Originally based on code from BackgroundApp.java *   @(#)BackgroundApp.java 1.1 00/09/22 14:03 * * portions Copyright (c) 1996-2000 Sun Microsystems, Inc. All Rights Reserved. *  * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use, * modify and redistribute this software in source and binary code form, * provided that i) this copyright notice and license appear on all copies of * the software; and ii) Licensee does not utilize the software in a manner * which is disparaging to Sun. * * 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 AND ITS LICENSORS SHALL NOT BE * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING * OR DISTRIBUTING THE 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 SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. * * This software is not designed or intended for use in on-line control of * aircraft, air traffic, aircraft navigation or aircraft communications; or in * the design, construction, operation or maintenance of any nuclear * facility. Licensee represents and warrants that it will not use or * redistribute the Software for such purposes. */
import java.awt.*;
import javax.media.j3d.*;import javax.vecmath.*;
import com.sun.j3d.utils.universe.SimpleUniverse;import com.sun.j3d.utils.universe.PlatformGeometry;import com.sun.j3d.utils.behaviors.keyboard.*;
import com.sun.j3d.loaders.Scene;
import java.awt.event.KeyListener;import java.awt.event.KeyEvent;
import java.util.*;
import java.io.*;import com.sun.j3d.loaders.objectfile.ObjectFile;
import java.awt.event.*;
public class Mykeynavbeh extends Frame implements KeyListener {
private SimpleUniverse universe = null; private Canvas3D canvas = null; private TransformGroup viewtrans = null;
private Transform3D t3dstep = new Transform3D(); private Matrix4d matrix = new Matrix4d();
private Skateboarding sk8ingBoy = null;
private Switch selector = new Switch(Switch.CHILD_MASK); private BitSet flag_i = new BitSet(4);
private int count = 0;
TransformGroup tg_d = null; Transform3D t3d_d = null;
float total_angle_x = 0.0f; float total_angle_y = 0.0f; float total_angle_z = 0.0f;
private static final double ANGLE_x = Math.PI / 8; private static final double ANGLE_y = Math.PI / 8; private static final double ANGLE_z = Math.PI / 3;
public Mykeynavbeh() { setLayout(new BorderLayout()); GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
canvas = new Canvas3D(config); add("Center", canvas); universe = new SimpleUniverse(canvas);
BranchGroup scene = createSceneGraph(); universe.getViewingPlatform().setNominalViewingTransform();
universe.getViewer().getView().setBackClipDistance(100.0);
canvas.addKeyListener(this);
universe.addBranchGraph(scene); }
private BranchGroup createSceneGraph() { BranchGroup objRoot = new BranchGroup();
BoundingSphere bounds = new BoundingSphere(new Point3d(), 10000.0);
viewtrans = universe.getViewingPlatform().getViewPlatformTransform();
KeyNavigatorBehavior keyNavBeh = new KeyNavigatorBehavior(viewtrans); keyNavBeh.setSchedulingBounds(bounds); PlatformGeometry platformGeom = new PlatformGeometry(); platformGeom.addChild(keyNavBeh); universe.getViewingPlatform().setPlatformGeometry(platformGeom);
Background background = new Background(); background.setColor(0.93f, 0.57f, 0.48f); background.setApplicationBounds(bounds); objRoot.addChild(background);
objRoot.addChild(createSk8ingBoy());
return objRoot; } private BranchGroup createSk8ingBoy() {
BranchGroup objRoot = new BranchGroup(); TransformGroup tg = new TransformGroup(); Transform3D t3d = new Transform3D();
t3d.setTranslation(new Vector3d(0.0, -1.0, -5.0)); t3d.setScale(0.87); tg.setTransform(t3d);
sk8ingBoy = new Skateboarding("model/sk8ing_boy.obj", "model/sk8ing_boy_jump.obj", "model/deck.obj"); tg.addChild(sk8ingBoy.tg); tg.addChild(sk8ingBoy);
objRoot.addChild(tg); objRoot.addChild(createLight()); objRoot.addChild(createLight());
objRoot.compile();
return objRoot;
}
public BranchGroup createDeck(String filename) {
BranchGroup root = new BranchGroup(); tg_d = new TransformGroup(); t3d_d = new Transform3D();
tg_d.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
tg_d.addChild(createObjLoad(filename));
t3d_d.setTranslation(new Vector3d(0.0, 0.04, -0.0)); t3d_d.setScale(0.5); tg_d.setTransform(t3d_d);
root.addChild(createLight()); root.addChild(tg_d);
root.compile();
return root; }
private BranchGroup createObjLoad(String filename) {
BranchGroup objRoot = new BranchGroup();
TransformGroup tg = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(1.0); tg.setTransform(t3d);
ObjectFile loader = new ObjectFile(); Scene s = null;
File file = new java.io.File(filename);
try { s = loader.load(file.toURI().toURL()); } catch (Exception e) { System.err.println(e); System.exit(1); }
tg.addChild(s.getSceneGroup());
objRoot.addChild(tg);
objRoot.compile();
return objRoot;
}
private Light createLight() { DirectionalLight light = new DirectionalLight(true, new Color3f(1.0f, 1.0f, 1.0f), new Vector3f(-0.3f, 0.2f, -1.0f));
light.setInfluencingBounds(new BoundingSphere(new Point3d(), 10000.0));
return light; }
public static void main(String args[]) {
Mykeynavbeh window = new Mykeynavbeh();
window.setSize(800, 600);
window.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } });
window.setVisible(true); }
public void keyTyped(KeyEvent e) { char key = e.getKeyChar();
if (key == 's') {
t3dstep.rotY(Math.PI / 32); sk8ingBoy.tg.getTransform(sk8ingBoy.t3d); sk8ingBoy.t3d.get(matrix); sk8ingBoy.t3d.setTranslation(new Vector3d(0.0, 0.0, 0.0)); sk8ingBoy.t3d.mul(t3dstep); sk8ingBoy.t3d.setTranslation(new Vector3d(matrix.m03, matrix.m13, matrix.m23)); sk8ingBoy.tg.setTransform(sk8ingBoy.t3d);
}
if (key == 'f') {
t3dstep.rotY(-Math.PI / 32); sk8ingBoy.tg.getTransform(sk8ingBoy.t3d); sk8ingBoy.t3d.get(matrix); sk8ingBoy.t3d.setTranslation(new Vector3d(0.0, 0.0, 0.0)); sk8ingBoy.t3d.mul(t3dstep); sk8ingBoy.t3d.setTranslation(new Vector3d(matrix.m03, matrix.m13, matrix.m23)); sk8ingBoy.tg.setTransform(sk8ingBoy.t3d); }
if ((count % 2 == 0) && (key == 'e')) {
flag_i.clear(); flag_i.set(1); flag_i.set(3); selector.setChildMask(flag_i);
t3dstep.set(new Vector3d(0.0, 0.5, 0.0)); sk8ingBoy.tg.getTransform(sk8ingBoy.t3d); sk8ingBoy.t3d.mul(t3dstep); sk8ingBoy.tg.setTransform(sk8ingBoy.t3d);
count++; }
if ((count % 2 == 1) && (key == 'c')) {
flag_i.clear(); flag_i.set(0); flag_i.set(2); selector.setChildMask(flag_i);
t3dstep.set(new Vector3d(0.0, -0.5, 0.0)); sk8ingBoy.tg.getTransform(sk8ingBoy.t3d); sk8ingBoy.t3d.mul(t3dstep); sk8ingBoy.tg.setTransform(sk8ingBoy.t3d);
count++;
}
if (key == 'x'){ boolean cstate=false;Â Â Â sk8ingBoy.setEnable(cstate);
} }
public void keyReleased(KeyEvent e) { char key = e.getKeyChar();
if (key == 'u') {
t3dstep.rotY(-total_angle_y); tg_d.getTransform(t3d_d); t3d_d.get(matrix); t3d_d.setTranslation(new Vector3d(0.0, 0.0, 0.0)); t3d_d.mul(t3dstep); t3d_d.setTranslation(new Vector3d(matrix.m03, matrix.m13, matrix.m23)); tg_d.setTransform(t3d_d);
total_angle_y = 0.0f; }
if (key == 'i') {
t3dstep.rotX(-total_angle_x); tg_d.getTransform(t3d_d); t3d_d.get(matrix); t3d_d.setTranslation(new Vector3d(0.0, 0.0, 0.0)); t3d_d.mul(t3dstep); t3d_d.setTranslation(new Vector3d(matrix.m03, matrix.m13, matrix.m23)); tg_d.setTransform(t3d_d);
total_angle_x = 0.0f; }
if (key == 'o') {
t3dstep.rotZ(-total_angle_z); tg_d.getTransform(t3d_d); t3d_d.get(matrix); t3d_d.setTranslation(new Vector3d(0.0, 0.0, 0.0)); t3d_d.mul(t3dstep); t3d_d.setTranslation(new Vector3d(matrix.m03, matrix.m13, matrix.m23)); tg_d.setTransform(t3d_d);
total_angle_z = 0.0f; }
}
public void keyPressed(KeyEvent e) { char key = e.getKeyChar();
if (key == 'u') {
t3dstep.rotY(-ANGLE_y); tg_d.getTransform(t3d_d); t3d_d.get(matrix); t3d_d.setTranslation(new Vector3d(0.0, 0.0, 0.0)); t3d_d.mul(t3dstep); t3d_d.setTranslation(new Vector3d(matrix.m03, matrix.m13, matrix.m23)); tg_d.setTransform(t3d_d);
total_angle_y += -ANGLE_y; }
if (key == 'i') {
t3dstep.rotX(-ANGLE_x); tg_d.getTransform(t3d_d); t3d_d.get(matrix); t3d_d.setTranslation(new Vector3d(0.0, 0.0, 0.0)); t3d_d.mul(t3dstep); t3d_d.setTranslation(new Vector3d(matrix.m03, matrix.m13, matrix.m23)); tg_d.setTransform(t3d_d);
total_angle_x += -ANGLE_x; }
if (key == 'o') {
t3dstep.rotZ(-ANGLE_z); tg_d.getTransform(t3d_d); t3d_d.get(matrix); t3d_d.setTranslation(new Vector3d(0.0, 0.0, 0.0)); t3d_d.mul(t3dstep); t3d_d.setTranslation(new Vector3d(matrix.m03, matrix.m13, matrix.m23)); tg_d.setTransform(t3d_d);
total_angle_z += -ANGLE_z; } }
class Skateboarding extends Behavior {
public TransformGroup tg = null; public Transform3D t3d = null; private WakeupOnElapsedFrames wakeFrame = null;
public Skateboarding(String filename, String filename2, String filename3) {
tg = new TransformGroup(); t3d = new Transform3D();
t3d.setTranslation(new Vector3d(0.0, 0.0, 0.0)); t3d.setScale(1.0); tg.setTransform(t3d);
TransformGroup tg_s = new TransformGroup(); Transform3D t3d_s = new Transform3D(); t3d_s.setTranslation(new Vector3d(0.0, 0.05, 0.0)); tg_s.setTransform(t3d_s);
TransformGroup tg_j = new TransformGroup(); Transform3D t3d_j = new Transform3D(); t3d_j.setTranslation(new Vector3d(0.0, -0.05, 0.0)); tg_j.setTransform(t3d_j);
flag_i.clear(); flag_i.set(0); flag_i.set(2); selector.setChildMask(flag_i);
selector.addChild(createObjLoad(filename)); selector.addChild(createObjLoad(filename2)); selector.addChild(tg_s); selector.addChild(tg_j); selector.setCapability(Switch.ALLOW_SWITCH_WRITE);
tg_s.addChild(createDeck(filename3)); tg_j.addChild(createDeck(filename3)); tg.addChild(selector); tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 1000.0); this.setSchedulingBounds(bounds);
}
public void initialize() { wakeFrame = new WakeupOnElapsedFrames(8); wakeupOn(wakeFrame); }
public void processStimulus(Enumeration criteria) { t3dstep.set(new Vector3d(0.0, 0.0, 0.03f)); tg.getTransform(t3d); t3d.mul(t3dstep); tg.setTransform(t3d);
wakeupOn(wakeFrame); } }}