Sound Test
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import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.GraphicsConfiguration;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.NumberFormat;
import javax.media.j3d.BackgroundSound;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.MediaContainer;
import javax.media.j3d.PointSound;
import javax.media.j3d.Sound;
import javax.media.j3d.Switch;
import javax.media.j3d.Transform3D;
import javax.media.j3d.View;
import javax.swing.ButtonGroup;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.vecmath.AxisAngle4f;
import javax.vecmath.Color3f;
import javax.vecmath.Point2f;
import javax.vecmath.Point3d;
import javax.vecmath.Point3f;
import javax.vecmath.Vector3f;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.behaviors.vp.OrbitBehavior;
import com.sun.j3d.utils.universe.SimpleUniverse;
import com.sun.j3d.utils.universe.ViewingPlatform;
public class SoundBug extends Applet implements ActionListener {
// Scene graph items
SimpleUniverse u;
Switch spheresSwitch;
Switch soundSwitch;
// temp image grabber
boolean isApplication;
Canvas3D canvas;
View view;
// Sound items
String soundNoneString = "No sound";
String soundBackgroundString = "Background";
String soundPointString = "Point";
String soundConeString = "Cone";
String soundBackgroundActionString = "SBackground";
String soundPointActionString = "SPoint";
JRadioButton soundNoneButton;
JRadioButton soundBackgroundButton;
JRadioButton soundPointButton;
JRadioButton soundConeButton;
BackgroundSound soundBackground;
PointSound soundPoint;
static final int SOUND_NONE = Switch.CHILD_NONE;
static final int SOUND_BACKGROUND = 0;
static final int SOUND_POINT = 1;
// Temporaries that are reused
Transform3D tmpTrans = new Transform3D();
Vector3f tmpVector = new Vector3f();
AxisAngle4f tmpAxisAngle = new AxisAngle4f();
// colors
Color3f red = new Color3f(1.0f, 0.0f, 0.0f);
Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
Color3f grey = new Color3f(0.1f, 0.1f, 0.1f);
Color3f skyBlue = new Color3f(0.6f, 0.7f, 0.9f);
// geometric constant
Point3f origin = new Point3f();
Vector3f yAxis = new Vector3f(0.0f, 1.0f, 0.0f);
// NumberFormat to print out floats with only two digits
NumberFormat nf;
/*
* Set up the sound switch. The child values are: SOUND_BACKGROUND:
* BackgroundSound SOUND_POINT: PointSound
*/
void setupSounds() {
soundSwitch = new Switch(Switch.CHILD_NONE);
soundSwitch.setWhichChild(Switch.CHILD_NONE);
soundSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
// set up the BoundingSphere for all the sounds
BoundingSphere bounds = new BoundingSphere(new Point3d(), 100.0);
// Set up the sound media container
java.net.URL soundURL = null;
String soundFile = "techno_machine.au";
try {
java.net.URL codeBase = null;
try {
codeBase = getCodeBase();
} catch (Exception ex) {
// got an exception, probably running as an application,
// keep code base null...
}
if (codeBase != null) {
soundURL = new java.net.URL(codeBase.toString() + soundFile);
}
} catch (java.net.MalformedURLException ex) {
System.out.println(ex.getMessage());
System.exit(1);
}
if (soundURL == null) { // application, try file URL
try {
soundURL = new java.net.URL("file:./" + soundFile);
} catch (java.net.MalformedURLException ex) {
System.out.println(ex.getMessage());
System.exit(1);
}
}
System.out.println("soundURL = " + soundURL);
MediaContainer soundMC = new MediaContainer(soundURL);
// set up the Background Sound
soundBackground = new BackgroundSound();
soundBackground.setCapability(Sound.ALLOW_ENABLE_WRITE);
soundBackground.setSoundData(soundMC);
soundBackground.setSchedulingBounds(bounds);
soundBackground.setEnable(true);
soundBackground.setLoop(Sound.INFINITE_LOOPS);
soundSwitch.addChild(soundBackground);
// set up the point sound
soundPoint = new PointSound();
soundPoint.setCapability(Sound.ALLOW_ENABLE_WRITE);
soundPoint.setSoundData(soundMC);
soundPoint.setSchedulingBounds(bounds);
soundPoint.setEnable(true);
soundPoint.setLoop(Sound.INFINITE_LOOPS);
soundPoint.setPosition(-5.0f, -5.0f, 0.0f);
Point2f[] distGain = new Point2f[2];
// set the attenuation to linearly decrease volume from max at
// source to 0 at a distance of 5m
distGain[0] = new Point2f(0.0f, 1.0f);
distGain[1] = new Point2f(5.0f, 0.0f);
soundPoint.setDistanceGain(distGain);
soundSwitch.addChild(soundPoint);
}
public void actionPerformed(ActionEvent e) {
String action = e.getActionCommand();
Object source = e.getSource();
if (action == soundNoneString) {
soundSwitch.setWhichChild(SOUND_NONE);
} else if (action == soundBackgroundActionString) {
soundSwitch.setWhichChild(SOUND_BACKGROUND);
} else if (action == soundPointActionString) {
soundSwitch.setWhichChild(SOUND_POINT);
}
}
BranchGroup createSceneGraph() {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Add the primitives to the scene
setupSounds();
objRoot.addChild(soundSwitch);
return objRoot;
}
public SoundBug(boolean isApplication) {
this.isApplication = isApplication;
}
public SoundBug() {
this(false);
}
public void init() {
// set up a NumFormat object to print out float with only 3 fraction
// digits
nf = NumberFormat.getInstance();
nf.setMaximumFractionDigits(3);
setLayout(new BorderLayout());
GraphicsConfiguration config = SimpleUniverse
.getPreferredConfiguration();
canvas = null;
canvas = new Canvas3D(config);
add("Center", canvas);
// Create a simple scene and attach it to the virtual universe
BranchGroup scene = createSceneGraph();
u = new SimpleUniverse(canvas);
// set up sound
u.getViewer().createAudioDevice();
// get the view
view = u.getViewer().getView();
// Get the viewing platform
ViewingPlatform viewingPlatform = u.getViewingPlatform();
// Move the viewing platform back to enclose the -4 -> 4 range
double viewRadius = 4.0; // want to be able to see circle
// of viewRadius size around origin
// get the field of view
double fov = u.getViewer().getView().getFieldOfView();
// calc view distance to make circle view in fov
float viewDistance = (float) (viewRadius / Math.tan(fov / 2.0));
tmpVector.set(0.0f, 0.0f, viewDistance);// setup offset
tmpTrans.set(tmpVector); // set trans to translate
// move the view platform
viewingPlatform.getViewPlatformTransform().setTransform(tmpTrans);
// add an orbit behavior to move the viewing platform
OrbitBehavior orbit = new OrbitBehavior(canvas, OrbitBehavior.STOP_ZOOM);
BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
100.0);
orbit.setSchedulingBounds(bounds);
viewingPlatform.setViewPlatformBehavior(orbit);
u.addBranchGraph(scene);
add("South", soundPanel());
}
JPanel soundPanel() {
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(4, 1));
// create the buttons
soundNoneButton = new JRadioButton(soundNoneString);
soundBackgroundButton = new JRadioButton(soundBackgroundString);
soundPointButton = new JRadioButton(soundPointString);
//soundConeButton = new JRadioButton(soundConeString);
// set up the action commands
soundNoneButton.setActionCommand(soundNoneString);
soundBackgroundButton.setActionCommand(soundBackgroundActionString);
soundPointButton.setActionCommand(soundPointActionString);
//soundConeButton.setActionCommand(soundConeString);
// add the buttons to a group so that only one can be selected
ButtonGroup buttonGroup = new ButtonGroup();
buttonGroup.add(soundNoneButton);
buttonGroup.add(soundBackgroundButton);
buttonGroup.add(soundPointButton);
//buttonGroup.add(soundConeButton);
// register the applet as the listener for the buttons
soundNoneButton.addActionListener(this);
soundBackgroundButton.addActionListener(this);
soundPointButton.addActionListener(this);
// soundConeButton.addActionListener(this);
// add the buttons to the panel
panel.add(soundNoneButton);
panel.add(soundBackgroundButton);
panel.add(soundPointButton);
//panel.add(soundConeButton);
// set the default
soundNoneButton.setSelected(true);
return panel;
}
public void destroy() {
u.removeAllLocales();
}
// The following allows SoundBug to be run as an application
// as well as an applet
//
public static void main(String[] args) {
new MainFrame(new SoundBug(true), 600, 900);
}
}
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