1    /* 
2     * Program that paints 100 red, yellow and orange balloons in a blue sky. 
3     * It will feature commands. 
4     */
5    package npw;
6    
7    import painter.SPainter;
8    import shapes.SCircle;
9    import shapes.SSquare;
10   
11   import javax.swing.*;
12   import java.awt.*;
13   import java.util.Random;
14   
15   public class Balloons {
16       // REQUIRED INFRASTRUCTURE
17       public Balloons() {
18           paintTheImage();
19       }
20   
21       public static void main(String[] args) {
22           SwingUtilities.invokeLater(new Runnable() {
23               public void run() {
24                   new Balloons();
25               }
26           });
27       }
28   
29       // THE PAINTER DOING ITS THING
30       private void paintTheImage() {
31           SPainter painter = new SPainter("Balloons", 600, 600);
32           paintSky(painter); // ask IntelliJ to generate the stub
33           int nrOfBalloons = 100;
34           paintBalloons(painter, nrOfBalloons); // ask IntelliJ to generate the stub
35       }
36   
37       private void paintSky(SPainter painter) {
38           painter.setColor(Color.BLUE);
39           SSquare sky = new SSquare(2000);
40           painter.paint(sky);
41       }
42   
43       private void paintBalloons(SPainter painter, int nrOfBalloons) {
44           int i = 1;
45           while (i <= nrOfBalloons) {
46               paintOneBalloon(painter); // ask IntelliJ to generate the stub
47               i = i + 1;
48           }
49       }
50   
51       private void paintOneBalloon(SPainter painter) {
52           Random rgen = new Random();
53           int rn = rgen.nextInt(3);
54           if (rn == 0) {
55               painter.setColor(Color.RED);
56           } else if (rn == 1) {
57               painter.setColor(Color.ORANGE);
58           } else {
59               painter.setColor(Color.YELLOW);
60           }
61           painter.move();
62           int balloonRadius = 20;
63           SCircle balloon = new SCircle(balloonRadius);
64           painter.paint(balloon);
65           painter.setColor(Color.BLACK);
66           painter.draw(balloon);
67       }
68   }