package cis2168_1;

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

/**
 *
 * @author Rolf
 */
public class Main extends JPanel implements ChangeListener{

   JFrame theFrame;
   Container cPane;
   int posX = 0, posY = 0;



   public Main() {
       theFrame = new JFrame("Graphics Test");
       theFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       cPane = theFrame.getContentPane();
       cPane.setLayout(new BorderLayout());

       JSlider slider = new JSlider();
       cPane.add(slider,BorderLayout.SOUTH);

       this.setPreferredSize(new Dimension(800,800));
       cPane.add(this,BorderLayout.CENTER);

       slider.addChangeListener(this);
       theFrame.pack();
       theFrame.setVisible(true);
   }

   public void paintComponent(Graphics g){
       g.setColor(Color.PINK);
       g.fillRect(0,0,800,800);
       g.setColor(Color.RED);
       g.fillOval(posX, posY, 100,100);
   }

   public static void main(String[] args) {
       new Main();
   }

   public void stateChanged(ChangeEvent e) {
       JSlider s = (JSlider)e.getSource();
       posX = s.getValue() * 8;
       double py = (double)s.getValue();
       py = py/100.0*Math.PI*2;
       posY = (int)(Math.sin(py)*300)+400;
       this.repaint();
   }

}