//--------------------------------------------------------------
//    Start a race between blue and red, track the winner
//    Use threads to manage each rectangle's movement
//    Allow for user interaction, like stopping and starting
//--------------------------------------------------------------


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ConcurrencyPanel extends JPanel
{
    class runnerThread extends Thread {

        public void run() {
            // while width of both rectangle < 250 px
            // redraw by random increments of 1-10
            // use timer? or sleep?
        }
    }

    public ConcurrencyPanel ()
    {
        setPreferredSize(new Dimension(600,250));

        JButton startRace = new JButton("Start The Race!");
        JButton stopRace = new JButton("Stop The Race!");
        JLabel winnerText = new JLabel("Winner: ");

        add (startRace);
        add (stopRace);
        add (winnerText);

    }

    public void paintComponent (Graphics page)
    {
        super.paintComponent(page);
        page.setColor(Color.blue);
        page.fillRect(0,80,0,20);

        page.setColor(Color.red);
        page.fillRect(0,120,0,20);
    }

}