1    package npw;
2    import java.awt.Color;
3    import java.util.Random;
4    import javax.swing.SwingUtilities;
5    import painter.SPainter;
6    import shapes.SCircle;
7    import shapes.SSquare;
8    
9    public class Balloons {
10   
11       public Balloons() {
12           paintTheImage();
13       }
14   
15       public static void main(String[] args) {
16           SwingUtilities.invokeLater(new Runnable() {
17               public void run() {
18                   new Balloons();
19   
20               }
21           });
22       }
23   
24       private void paintTheImage() {
25           SPainter painter = new SPainter("Balloons" ,600, 600);
26           paintSky(painter); // ask intelliJ to generate the stub
27           int nrOfBalloons = 100;
28           paintBalloons(painter, nrOfBalloons); // ask intelliJ to generate the stub
29       }
30   
31       private void paintSky(SPainter painter) {
32           painter.setColor(Color.BLUE);
33           SSquare sky = new SSquare(2000);
34           painter.paint(sky);
35       }
36   
37       private void paintBalloons(SPainter painter, int nrOfBalloons) {
38           int i = 1;
39           while (i <= nrOfBalloons) {
40               paintOneBalloon(painter); // ask intelliJ to generate stub
41               i = i + 1;
42           }
43       }
44   
45       private void paintOneBalloon(SPainter painter) {
46           Random rgen = new Random();
47           int rn = rgen.nextInt(3);
48           if (rn == 0) {
49               painter.setColor(Color.RED);
50           } else if (rn == 1) {
51               painter.setColor(Color.ORANGE);
52           } else {
53               painter.setColor(Color.YELLOW);
54           }
55           painter.move();
56           int balloonRadius = 20;
57           SCircle balloon = new SCircle(balloonRadius);
58           painter.paint(balloon);
59           painter.setColor(Color.BLACK);
60           painter.draw(balloon);
61       }
62   
63   }
64