import java.applet.Applet;
import java.awt.*;

public class UpdatedEyes extends Applet {

  double lx=150, ly=150, rx=260, ry=150;
  double lastlx=150, lastly=150, lastrx=260, lastry=150;

  public void update (Graphics g) {
    g.setColor(Color.white);
    g.fillOval((int)(lastlx-8), (int)(lastly-8), 16, 16);
    g.fillOval((int)(lastrx-8), (int)(lastry-8), 16, 16);
    g.setColor(Color.black);
    g.fillOval((int)(lx-8), (int)(ly-8), 16, 16);
    g.fillOval((int)(rx-8), (int)(ry-8), 16, 16);
    lastlx = lx; 
    lastly = ly;
    lastrx = rx;
    lastry = ry;
  }
  
  public void paint (Graphics g) {
    g.setColor(Color.white);
    g.fillOval(100, 100, 100, 100);
    g.fillOval(210, 100, 100, 100);
  }
  
  public boolean mouseMove (Event evt, int x, int y){
    double X=x, Y=y;
    double k = scale(X-150, Y-150);
    lx = k*(X-150)+150;
    ly = k*(Y-150)+150;
    k  = scale(X-260, Y-150);
    rx = k*(X-260)+260;
    ry = k*(Y-150)+150;
    repaint();
    return true;
  }
  
  public double scale (double x, double y){
    return 42 / 
      Math.sqrt(x*x+y*y+1764);
  }
}