ensemble.samples.graphics3d.AudioVisualizerSample Maven / Gradle / Ivy
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package ensemble.samples.graphics3d;
import ensemble.Sample3D;
import javafx.animation.Timeline;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.media.AudioSpectrumListener;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.scene.paint.Color;
import javafx.scene.shape.RectangleBuilder;
import javafx.scene.transform.Rotate;
import javafx.scene.transform.Scale;
/**
* A sample that demonstrates a 3D animated audio visualizer sample. When the
* application runs in standalone mode, the scene must be constructed with
* the depthBuffer argument set to true, and the root node must have depthTest
* set to true.
*
* @see javafx.scene.media.AudioSpectrumListener
* @see javafx.scene.media.MediaPlayer
* @see javafx.scene.shape.RectangleBuilder
* @see javafx.scene.paint.Color
* @see javafx.scene.Group
* @see javafx.scene.transform.Rotate
* @see javafx.scene.transform.Scale
*/
public class AudioVisualizerSample extends Sample3D implements AudioSpectrumListener {
Xform cubeXform[];
Cube cube[];
public AudioVisualizerSample() {
super(400, 150);
}
private AudioSpectrumListener audioSpectrumListener;
private static final String AUDIO_URI = System.getProperty("demo.audio.url","http://download.oracle.com/otndocs/products/javafx/oow2010-2.flv");
private static MediaPlayer audioMediaPlayer;
private static final boolean PLAY_AUDIO = Boolean.parseBoolean(System.getProperty("demo.play.audio","true"));
@Override public void spectrumDataUpdate(double timestamp, double duration,
float[] magnitudes, float[] phases) {
for (int i = 0; i < magnitudes.length; i++) {
cube[i].s.setX((magnitudes[i] + 60.01)*0.1 + 1.0);
cube[i].s.setY((magnitudes[i] + 60.01)*1.5 + 1.0);
cube[i].s.setZ((magnitudes[i] + 60.01)*0.8 + 1.0);
cubeXform[i].rx.setAngle((magnitudes[i] + 60.0)*2.0);
cubeXform[i].ry.setAngle((magnitudes[i] + 60.0)*2.1 + 10.0);
cubeXform[i].rz.setAngle((magnitudes[i] + 60.0)*2.1 + 10.0);
cubeXform[i].setTranslateY((magnitudes[i] + 60.0)*-1.0);
}
}
@Override public void play() {
this.startAudio();
}
@Override public void stop() {
this.stopAudio();
}
@Override public Node create3dContent() {
Xform sceneRoot = new Xform();
cubeXform = new Xform[128];
cube = new Cube[128];
int i;
for (i = 0; i < 128; i++) {
cubeXform[i] = new Xform();
cubeXform[i].setTranslateX((double) 2);
cube[i] = new Cube(1.0, Color.hsb((double) i*1.2, 1.0, 1.0, 0.3), 1.0);
if (i == 0) {
sceneRoot.getChildren().add(cubeXform[i]);
}
else if (i >= 1) {
cubeXform[i-1].getChildren().add(cubeXform[i]);
}
cubeXform[i].getChildren().add(cube[i]);
}
audioSpectrumListener = this;
getAudioMediaPlayer().setAudioSpectrumListener(audioSpectrumListener);
getAudioMediaPlayer().play();
getAudioMediaPlayer().setAudioSpectrumInterval(0.02);
getAudioMediaPlayer().setAudioSpectrumNumBands(128);
getAudioMediaPlayer().setCycleCount(Timeline.INDEFINITE);
sceneRoot.setRotationAxis(Rotate.X_AXIS);
sceneRoot.setRotate(180.0);
sceneRoot.setTranslateY(-100.0);
return sceneRoot;
}
class Xform extends Group {
final Rotate rx = new Rotate(0, Rotate.X_AXIS);
final Rotate ry = new Rotate(0, Rotate.Y_AXIS);
final Rotate rz = new Rotate(0, Rotate.Z_AXIS);
public Scale s = new Scale();
public Xform() {
super();
getTransforms().addAll(rz, ry, rx, s);
}
}
public class Cube extends Group {
final Rotate rx = new Rotate(0,Rotate.X_AXIS);
final Rotate ry = new Rotate(0,Rotate.Y_AXIS);
final Rotate rz = new Rotate(0,Rotate.Z_AXIS);
public Scale s = new Scale();
public Cube(double size, Color color, double shade) {
getTransforms().addAll(rz, ry, rx, s);
getChildren().addAll(
RectangleBuilder.create() // back face
.width(size).height(size)
.fill(color.deriveColor(0.0, 1.0, (1 - 0.5*shade), 1.0))
.translateX(-0.5*size)
.translateY(-0.5*size)
.translateZ(0.5*size)
.build(),
RectangleBuilder.create() // bottom face
.width(size).height(size)
.fill(color.deriveColor(0.0, 1.0, (1 - 0.4*shade), 1.0))
.translateX(-0.5*size)
.translateY(0)
.rotationAxis(Rotate.X_AXIS)
.rotate(90)
.build(),
RectangleBuilder.create() // right face
.width(size).height(size)
.fill(color.deriveColor(0.0, 1.0, (1 - 0.3*shade), 1.0))
.translateX(-1*size)
.translateY(-0.5*size)
.rotationAxis(Rotate.Y_AXIS)
.rotate(90)
.build(),
RectangleBuilder.create() // left face
.width(size).height(size)
.fill(color.deriveColor(0.0, 1.0, (1 - 0.2*shade), 1.0))
.translateX(0)
.translateY(-0.5*size)
.rotationAxis(Rotate.Y_AXIS)
.rotate(90)
.build(),
RectangleBuilder.create() // top face
.width(size).height(size)
.fill(color.deriveColor(0.0, 1.0, (1 - 0.1*shade), 1.0))
.translateX(-0.5*size)
.translateY(-1*size)
.rotationAxis(Rotate.X_AXIS)
.rotate(90)
.build(),
RectangleBuilder.create() // top face
.width(size).height(size)
.fill(color)
.translateX(-0.5*size)
.translateY(-0.5*size)
.translateZ(-0.5*size)
.build()
);
}
}
private void startAudio() {
if (PLAY_AUDIO) {
getAudioMediaPlayer().setAudioSpectrumListener(audioSpectrumListener);
getAudioMediaPlayer().play();
}
}
private void stopAudio() {
if (getAudioMediaPlayer().getAudioSpectrumListener() == audioSpectrumListener) {
getAudioMediaPlayer().pause();
}
}
private static MediaPlayer getAudioMediaPlayer() {
if (audioMediaPlayer == null) {
Media audioMedia = new Media(AUDIO_URI);
audioMediaPlayer = new MediaPlayer(audioMedia);
}
return audioMediaPlayer;
}
}
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