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

public class kukkuv2 extends Applet implements MouseListener{
	double koef=10;
	int maapind=200;
	public kukkuv2(){
		addMouseListener(this);
	}
	
	int ex(double ox){
		return (int)(ox*koef);
		}
	int ey(double oy){
		return (int)(maapind-oy*koef);
		}

	double ox(int ex){
		return ex/koef;
		}
	double oy(int ey){
		return (maapind-ey)/koef;
		}
	
	double yKoord(double aeg){
		return 9.8*aeg*aeg/2;
	}

	public void mousePressed(MouseEvent e){
		double aeg=0;
		double ax=ox(e.getX());
    	double ay=oy(e.getY());
		maapind=getHeight();
		Graphics g=getGraphics();
		for(double ky=0;ay>ky;aeg+=0.1,ky=yKoord(aeg)){
			g.fillOval(ex(ax),ey(ay-ky),20,20);
			try{Thread.sleep(15);}catch(Exception exs){}
			g.setColor(Color.white);
			g.fillOval(ex(ax),ey(ay-ky),20,20);
			g.setColor(Color.black);
		}
	}
  	public void mouseReleased(MouseEvent e){}
  	public void mouseClicked(MouseEvent e){}
  	public void mouseEntered(MouseEvent e){}
  	public void mouseExited(MouseEvent e){}

	public static void main(String[] arg){
		Frame f=new Frame();
		f.add(new kukkuv2());
		f.setSize(800,600);
		f.setVisible(true);
		f.addWindowListener(new Raamikuular());
	}
}