1    /* 
2    * The program paints 100 red, yellow and orange balloons in a blue sky. 
3    * It will feature commands. 
4    * */
5    
6    package npw;
7    
8    import painter.SPainter;
9    import shapes.SCircle;
10   import shapes.SSquare;
11   
12   import javax.swing.*;
13   import java.awt.*;
14   import java.util.Random;
15   
16   public class Balloons {
17   
18       // REQUIRED CODE
19       public Balloons() {
20           paintTheImage();
21       }
22   
23       public static void main(String[] args) {
24           SwingUtilities.invokeLater(new Runnable() {
25               public void run() {
26                   new AlternateBalloons();
27               }
28           });
29       }
30   
31       // The Painter Doing The Thing
32   
33       private void paintTheImage() {
34           SPainter painter = new SPainter("Balloons", 600, 600);
35           paintSky(painter); // ask IntelliJ to generate the stub
36           int nrOfBalloons = 100;
37           paintBalloons(painter, nrOfBalloons); // Generate the stub
38       }
39   
40       private void paintBalloons(SPainter painter, int nrOfBalloons) {
41           int i = 1;
42           while ( i <= nrOfBalloons ) {
43               paintOneBalloon(painter); // ask IntelliJ to generate the stub
44               i = i + 1;
45           }
46       }
47   
48       private void paintOneBalloon(SPainter painter) {
49           Random rgen = new Random();
50           int rn = rgen.nextInt(3);
51           if (rn == 0)
52           {
53               painter.setColor(Color.RED);
54           }
55           else if (rn == 1)
56           {
57               painter.setColor(Color.ORANGE);
58           }
59           else
60           {
61               painter.setColor(Color.YELLOW);
62           }
63           painter.move();
64           int balloonRadius = 20;
65           SCircle balloon = new SCircle(balloonRadius);
66           painter.paint(balloon);
67           painter.setColor(Color.BLACK);
68           painter.draw(balloon);
69       }
70   
71       private void paintSky(SPainter painter) {
72           painter.setColor(Color.BLUE);
73           SSquare sky = new SSquare(2000);
74           painter.paint(sky);
75       }
76   }