// flower.java  click on points, connect the dots

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

public class flower extends Frame
{
  int height = 400;
  int width = 400;
  int n = 128;
  flower()
  {
    setTitle("flower");
    setSize(width,height);
    setBackground(Color.white);
    setForeground(Color.black);
    addWindowListener(new WindowAdapter()
    {
      public void windowClosing(WindowEvent e)
      {
        System.exit(0);
      }
    });
    setVisible(true);
  }

  public void paint(Graphics g)
  {
    double t = 1.0;
    double r;
    double dt = Math.PI/64.0;
    double rmax = width/2.0;
    double m = 4.0;
    int x1, y1, x2, y2;

    g.setColor(Color.black);
    r = Math.cos(m * t);
    x1 = width/2 + (int)(rmax*r*Math.cos(t));
    y1 = height/2 + (int)(rmax*r*Math.sin(t));
    for(int i=0; i<n; i++)
    {
      t = t+dt;
      r = Math.cos(m*t);
      x2 = width/2 + (int)(rmax*r*Math.cos(t));
      y2 = height/2 + (int)(rmax*r*Math.sin(t));
      g.drawLine(x1, y1, x2, y2);
      x1 = x2;
      y1 = y2;
    }
  }

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