import javax.swing.*;

import java.awt.*;
import java.awt.event.*;

import javax.vecmath.*;

public class Spin2 extends Device2 implements Runnable {
	private int angleCount = 0;

	public Spin2 ( int h, int w, float s ){
		super ( h, w, s );
	}

	public Spin2 ( int h, int w ) {
		this ( h, w, 1.0f );
	}

	public Spin2() {
		this ( 550, 850 );
	}

	public void rotate() {
		angleCount++;
		double angle = angleCount * Math.PI / 64;
		viewPosition = new Vector3f ( (float) ( 5 * Math.cos ( angle ) ),
			(float) ( 5* Math.sin ( angle ) ), 5 );
		viewNormal = new Vector3f ( (float) ( -1 * Math.cos ( angle ) ),
			(float) ( -1 * Math.sin ( angle ) ), -1 );
		viewUp = new Vector3f ( 0, 0, 1);
		fixView();
		repaint();
	}

	public void run() {
		Thread thread = Thread.currentThread();
		while ( thread != null ) {
			try {
				thread.sleep ( 300 );
			} catch ( InterruptedException e ) {
				System.out.println ( "Work, work, work, all I do is work" );
			}
			rotate();
		}
	}

	public static void main ( String[] args ) {
		try {
			UIManager.setLookAndFeel (
				UIManager.getCrossPlatformLookAndFeelClassName() );
		} catch ( Exception exc ) {
			System.out.println ( "Error loading L&F: " + exc );
		}

		WindowListener l = new WindowAdapter() {
			public void windowClosing(WindowEvent e) { System.exit(0); }
		};

		JFrame frame = new JFrame ( "Sci Vis" );
		frame.addWindowListener(l);

		Function3f fun = new TorusKnot( 1.0f, 0.5f, 3, 2);
		ParametricCurve p = new ParametricCurve ( 0, 6, 0.25f, fun );

		Spin2 d = new Spin2( 600, 600, 100);
		d.setModel ( p );
		frame.getContentPane().add(d, BorderLayout.CENTER);
		frame.setSize ( d.getSize() );
		frame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
		frame.show();

		frame.validate();
		frame.repaint();
		Thread t = new Thread ( d );
		t.start();
		d.requestDefaultFocus();
	}
}