Balloons.java
package npw;

import java.awt.Color;
import java.util.Random;
import javax.swing.SwingUtilities;
import painter.SPainter;
import shapes.SCircle;
import shapes.SSquare;

public class Balloons {

    public Balloons(){
        paintTheImage();
    }

    public static void main(String[] args){
        SwingUtilities.invokeLater(new Runnable(){
            public void run(){
                new Balloons();
            }
        });
    }

    private void paintTheImage(){
        SPainter painter = new SPainter("Balloons", 600, 600);
        paintSky(painter);
        int nrOfBalloons = 100;
        paintBalloons(painter,nrOfBalloons);
    }

    private void paintSky(SPainter painter){
        painter.setColor(Color.BLUE);
        SSquare sky = new SSquare(2000);
        painter.paint(sky);
    }

    private void paintBalloons(SPainter painter, int nrOfBalloons){
        int i = 1;
        while (i <= nrOfBalloons){
            paintOneBalloon(painter);
            i = i + 1;
        }
    }

    private void paintOneBalloon(SPainter painter){
        Random rgen = new Random();
        int rn = rgen.nextInt(3);
        if (rn == 0){
            painter.setColor(Color.RED);
        } else if(rn ==1){
            painter.setColor(Color.ORANGE);
        } else {
            painter.setColor(Color.YELLOW);
        }
        painter.move();
        int balloonsRadius = 20;
        SCircle balloon = new SCircle(balloonsRadius);
        painter.paint(balloon);
        painter.setColor(Color.BLACK);
        painter.draw(balloon);
    }
}