package org.emercit.components;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.JPanel;
import javax.swing.*;

public class DrawPanel extends JComponent implements Runnable {

	private long t = System.nanoTime();

	public DrawPanel() {
		super();
		new Thread(this).start();
	}

	//@Override
	public void run() {
		while (true) {
			repaint();
			try {
				Thread.sleep(5);
			} catch (InterruptedException ex) {
			}
		}
	}

	@Override
	protected void paintComponent(Graphics g) {
		super.paintComponent(g);
		Graphics2D g2d = (Graphics2D) g;

		long tm = System.nanoTime() - t;
		double angle = tm / 300000000.0;

		double sn = Math.sin(Math.sin(angle) * 0.5);
		double cs = Math.cos(Math.sin(angle) * 0.5);
		int x = (int) (250 * sn + 150);
		int y = (int) (250 * cs);
		g2d.drawLine(150, 0, x, y);
		g2d.drawOval(x - 20, y - 20, 40, 40);
	}
}