1    package npw;
2    
3    import java.awt.Color;
4    import java.util.Random;
5    import javax.swing.SwingUtilities;
6    import painter.SPainter;
7    import shapes.SCircle;
8    import shapes.SSquare;
9    
10   public class AlternateBalloons {
11   
12       // REQUIRED INFRASTRUCTURE
13   
14       public AlternateBalloons() {
15           paintTheImage();
16       }
17   
18       public static void main(String[] args) {
19           SwingUtilities.invokeLater(new Runnable() {
20               public void run(){
21                   new AlternateBalloons();
22               }
23           });
24       }
25   
26   
27   // THE PAINTER DOING ITS THING
28   
29       private void paintTheImage() {
30           SPainter painter = new SPainter("AlternateBalloons", 600,600);
31           paintSky(painter); // ask IntelliJ to generate the stub
32           int nrOfBalloons = 300;
33           paintBalloons(painter, nrOfBalloons); // ask IntelliJ to generate stub
34       }
35   
36       private void paintSky(SPainter painter) {
37           painter.setColor(Color.BLUE);
38           SSquare sky = new SSquare(2000);
39           painter.paint(sky);
40       }
41   
42       private void paintBalloons(SPainter painter, int nrOfBalloons) {
43           int i = 1;
44           while ( i <= nrOfBalloons ) {
45               paintOneBalloon(painter); //ask IntelliJ to generate the stub
46               i = i + 1;
47           }
48       }
49   
50       private void paintOneBalloon(SPainter painter) {
51           Random rgen = new Random();
52           int rn = rgen.nextInt(6);
53           if (rn == 0) {
54               painter.setColor(Color.red);
55           } else if (rn == 1) {
56               painter.setColor(Color.ORANGE);
57           } else if (rn == 2) {
58               painter.setColor(Color.GREEN);
59           } else if (rn == 3) {
60               painter.setColor(Color.PINK);
61           } else if (rn == 4) {
62               painter.setColor(Color.GRAY);
63           } else if (rn == 5) {
64               painter.setColor(Color.MAGENTA);
65           } else {
66               painter.setColor(Color.YELLOW);
67           }
68           painter.move();
69           int balloonRadius = 30;
70           SCircle balloon = new SCircle(balloonRadius);
71           painter.paint(balloon);
72           painter.setColor(Color.BLACK);
73           painter.draw(balloon);
74       }
75   
76   }