package	rice2604hw;

/*	====================================================
	2604					  MandelApplet					 J.Rice
	----------------------------------------------------
	Allows testing of JWRMandelInst and the FilteredFM
	circuit, intended for use in Didkovsky's MandelMusic
	applet.
	
	----------------------------------------------------
	Due: 11/15/99											   HW 6
	====================================================	*/
	
	
import	com.softsynth.jsyn.*;
import	com.softsynth.jmsl.*;

import	java.awt.*;
import	java.awt.event.*;
import	java.lang.*;
import	java.applet.Applet;

public class MandelApplet extends Applet implements XYListener, ActionListener {

	MouseMotionPanel	mmp;
	JWRMandelInst		inst;
	Button				noteOnButton, noteOffButton;
	TextField			azField, bzField, magField, distField, kField;
	int					lastX, lastY, panelSize = 100;
	double				aZ, bZ, mag, dist, kount;
	double[]				dar;
	Panel					p0, p, p2;
	//--------------------------------------------------------------
	public void init() {				//ALL GUI
	
		dar = new double[5];
	
		p0 = new Panel();
		p0.setLayout(new GridLayout(2, 1));
		
		p = new Panel();
		p.setLayout(new GridLayout(1, 2));
		p.setBackground(Color.green);
		p.add(mmp = new MouseMotionPanel(panelSize));	
		p2 = new Panel();
		p2.setLayout(new GridLayout(2, 1));
		p2.add(noteOnButton = new Button("NoteOn()"));
		p2.add(noteOffButton = new Button("NoteOff()"));
		p.add(p2);
		p0.add(p);
		
		noteOnButton.addActionListener(this);
		noteOffButton.addActionListener(this);
		mmp.addXYListener(this);
		
		p = new Panel();
		p.setLayout(new GridLayout(3, 1));
		p.setBackground(Color.orange);
		p.add(new Label("Please hit NoteOn() and drag in the canvas", Label.CENTER));
				
		p2 = new Panel();
		p2.setLayout(new GridLayout(1, 5));
		p2.add(new Label("AZ", Label.CENTER));
		p2.add(new Label("BZ", Label.CENTER));
		p2.add(new Label("Mag", Label.CENTER));
		p2.add(new Label("Dist", Label.CENTER));
		p2.add(new Label("Kount", Label.CENTER));
		p.add(p2);
		
		p2 = new Panel();
		p2.setLayout(new GridLayout(1, 5));
		p2.add(azField = new TextField("0.0"));
		p2.add(bzField = new TextField("0.0"));
		p2.add(magField = new TextField("0.0"));
		p2.add(distField = new TextField("0.0"));
		p2.add(kField = new TextField("0"));
		p.add(p2);
		
		azField.addActionListener(this);
		bzField.addActionListener(this);
		magField.addActionListener(this);
		distField.addActionListener(this);
		kField.addActionListener(this);
		
		p0.add(p);
		add(p0);
		
	}
	//--------------------------------------------------------------
	public void locationChanged(int x, int y) {
	
		aZ = x / 100.0;
		azField.setText(aZ + "");
		bZ = y / 100.0;
		bzField.setText(bZ + "");
		mag = (int)((Math.sqrt((double)((x * x) + (y * y))))) / 141.0;
		magField.setText(mag + "");
		dist = (Math.sqrt(Math.pow((double)(x - lastX), 2.0) + Math.pow((double)(y - lastY), 2.0)))/141.0;
		distField.setText(dist + "");
		kount++;
		kField.setText(kount + "");
		dar[0] = aZ;
		dar[1] = bZ;
		dar[2] = mag;
		dar[3] = dist;
		dar[4] = convertKount(kount);     //
		inst.play(JMSL.now(), 1.0, dar);
		//inst.setAll(dar);
		lastX = x;
		lastY = y;
	}
	//--------------------------------------------------------------
	public void actionPerformed(ActionEvent e) {
		Object source = e.getSource();
		
		if 	  (source == noteOnButton) 	handleNoteOn();
		else if (source == noteOffButton) 	handleNoteOff();
		else if (source == azField)			handleAZField();
		else if (source == bzField)			handleBZField();
		else if (source == magField)			handleMagField();
		else if (source == distField)			handleDistField();
		else if (source == kField)				handleKField();
		
	}
	//--------------------------------------------------------------
	void handleNoteOn() {
			
		dar[0] = aZ;
		dar[1] = bZ;
		dar[2] = mag;
		dar[3] = dist;
		dar[4] = convertKount(kount);
		
		inst.play(JMSL.now(), 1.0, dar);
	
	}
	//--------------------------------------------------------------
	double convertKount(double cK) {
	
		double sK;
		
		sK = cK * .03;	//the constant here determines PERIOD of filter openg/closg
		sK = Math.sin(sK);
		sK = sK * sK;
		//JMSL.out.println(getName() + " Kount sin/sqr = " + sK);
	
		return sK;     //((kount % 50.0) / 50.0);
	
	}
	//--------------------------------------------------------------
	void handleNoteOff() {
	
		inst.pleaseStopNow();
		//inst.modamplitude.set(0.0);
		//inst.caramplitude.set(0.0);
	
	}
	//--------------------------------------------------------------
	void handleAZField() {
		try {
			aZ = clip((new Double(azField.getText())).doubleValue());
			}
		catch (NumberFormatException e) {
			azField.setText("NFE...");
		}
	}	
	//--------------------------------------------------------------
	void handleBZField() {
		try {
			bZ = clip((new Double(bzField.getText())).doubleValue());
			}
		catch (NumberFormatException e) {
			bzField.setText("NFE...");
		}
	}
	//--------------------------------------------------------------
	void handleMagField() {
		try {
			mag = clip((new Double(magField.getText())).doubleValue());
			}
		catch (NumberFormatException e) {
			magField.setText("NFE...");
		}
	}
	//--------------------------------------------------------------
	void handleDistField() {
		try {
			dist = clip((new Double(distField.getText())).doubleValue());
			}
		catch (NumberFormatException e) {
			distField.setText("NFE...");
		}
	}
	//--------------------------------------------------------------
	void handleKField() {
		try {
			kount = ((new Double(kField.getText())).doubleValue());
			}
		catch (NumberFormatException e) {
			kField.setText("NFE...");
		}
	}
	//--------------------------------------------------------------
	double clip(double x) {
	
		if (x > 1.0) return 1.0;
		else if (x < 0.0) return 0.0;
		else return x;
	}
	//--------------------------------------------------------------
	public void start() {
	
		try {
			Synth.startEngine(0);
			//SynthObject.enableTracking(true);	
			
			JMSL.clock = new com.softsynth.jmsl.jsyn.SynthClock();		
			
			inst = new JWRMandelInst();
			
			inst.open(JMSL.now());
			
			}
		catch (SynthException e) {
		
			SynthAlert.showError(this, e);
		}
	}
	//--------------------------------------------------------------
	public void stop() {
	
		try {
		
			inst.close(JMSL.now());
			
			Synth.stopEngine();
		
			}
		catch (SynthException e) {
		
			JMSL.out.println("Error " + e);
		}
	}
}//==========================END MANDELAPPLET===================================