import java.lang.Math;
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import com.softsynth.jsyn.*;

public class plasma2 extends Applet implements Runnable, MouseMotionListener {

	Panel panel;
	int Anzahl = 32;
	SineOscillator[] sineOsc = new SineOscillator[Anzahl];
	SynthEnvelope envData;
	EnvelopePlayer[] envPlayer = new EnvelopePlayer[Anzahl];
	BusWriter[] mixIn = new BusWriter[Anzahl];
	BusReader mixOut;
	LineOut lineOut;
	double frq = 50.0;
	
	int ph = 1050;							// Anzahl Einzelflächen horizontal
	int pv = 700;							// Anzahl Einzelflächen vertikal
	int i = 300, j = 300, ci, cj;					// Koordinaten Einzelfläche
	int mouseMovedX, mouseMovedY;			// Mauskoordinaten
	double z;								// Zähler
	double r;								// Radius
	int l = 3;								// Seitnlänge Einzelfläche
	int k;									// Index sineOsc			
	int bereich = 64;							// Größe Zufallsbereich
	int grenze = 0;							// untere Grenze Zufallsbereich
	Dimension Size;							// Gesamtgröße
	int rot = 0, grün = 0, blau = 0;				// Farbwerte
	int farbpegel;							// Farbänderung
	Thread animator;							// Thread
	int SleepTime = 12;						// Animationspuls in ms
	boolean please_stop;						// stop-Anforderung
	double[] data = { 0.005, 0.1, 0.005, 0.01, 0.275, 0.0 };

	// init
	public void init () {
		setSize( ph, pv ); setBackground( new Color( 0, 0, 0 ) );
		ci = i; cj = j;
		addMouseListener( new MouseAdapter() {
			public void mousePressed( MouseEvent e ) {
				if ( animator != null ) {
					please_stop = true;
				} else {
					start();
				}		
			}
		});
		addMouseMotionListener( this );
		setCursor( new Cursor( Cursor.CROSSHAIR_CURSOR ) );

		// Klang einrichten
		Synth.startEngine( 0 );
		envData = new SynthEnvelope( data );
		mixOut = new BusReader();
		lineOut = new LineOut();
		mixOut.output.connect( 0, lineOut.input, 0 );
		mixOut.output.connect( 0, lineOut.input, 1 );
	
		for ( int k = 0; k < Anzahl; k++ ) {
			sineOsc[k] = new SineOscillator();
			sineOsc[k].frequency.set( frq );
			envPlayer[k] = new EnvelopePlayer();
			mixIn[k] = new BusWriter(); 
			envPlayer[k].output.connect( sineOsc[k].amplitude );
			sineOsc[k].output.connect( mixIn[k].input );
			mixIn[k].busOutput.connect( mixOut.busInput );		
			sineOsc[k].start();
			envPlayer[k].start();
			mixIn[k].start();
		}
	
		mixOut.start();
		lineOut.start();
			
		getParent().validate();
		getToolkit().sync();
	}

	public void mouseMoved( MouseEvent e ) {
		mouseMovedX = e.getX();
		mouseMovedY = e.getY();
		i = mouseMovedX;
		j = mouseMovedY;
	}

	public void mouseDragged( MouseEvent e ) {}
		
	public void paint( Graphics g ) {
		g.setColor( new Color( rot, grün, blau ) );
		g.fillRect( ci, cj, l, l );
	}
			
	// start
	public void start() {
		if ( animator == null ) {
		please_stop = false;

		// Thread erzeugen
		animator = new Thread( this );
		animator.start();
		}
	}
		
	// stop
	public void stop() {
		please_stop = true;
		removeAll();
		Synth.stopEngine();
	}

	// run   -> Runnable
	public void run() {
		
		// solange, bis stop gewuenscht
		while ( !please_stop ) {
			z = Math.random() * 2.0 - 1.0;
			r = Math.random() * ph;
			r = Math.pow( ( Math.random() * 8.4 ), 3.0 );
			ci = i - ( int )( r * ( Math.sin( z * 6.283185307 ) ) );
			cj = j - ( int )( r * ( Math.cos( z * 6.283185307 ) ) );
			k = ( int )( Math.random() * ( Anzahl - 1 ) );
			l = ( int )( Math.random() * 4 + 1 );
			farbpegel = ( int )( Math.random() * bereich + grenze );
			rot = farbpegel * 4;
			grün = farbpegel * 3;
			blau = farbpegel * 2;
			repaint( ci, cj, l, l );	
			frq = Math.random() * ( 8.0 * i + 200 ) + ( j + 50.0 );
			sineOsc[k].frequency.set( frq );
			data[0] = i * 0.0005 + 0.1;
			data[1] = 0.0;
			envData.write( 2, data, 0, 1 );
			envPlayer[k].envelopePort.clear();
			envPlayer[k].envelopePort.queue( envData );

			try {
				Thread.sleep( SleepTime );
			}
			catch ( InterruptedException e ) {}
		}
	
		animator = null;
	}
}