1    /* 
2     * Program that paints 100 red, yellow and orange balloons in a blue sky. 
3     * It will feature commands. 
4     */
5    
6    package npw;
7    
8    import java.awt.Color;
9    import java.util.Random;
10   import javax.swing.SwingUtilities;
11   import painter.SPainter;
12   import shapes.SCircle;
13   import shapes.SSquare;
14   
15   public class Balloons {
16   
17       // REQUIRED INFRASTRUCTURE
18   
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 Balloons();
27               }
28           });
29       }
30   
31       // THE PAINTER DOES ITS 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); // ask IntelliJ to generate the stub
38       }
39   
40       private void paintSky(SPainter painter) {
41           painter.setColor(Color.BLUE);
42           SSquare sky = new SSquare(2000);
43           painter.paint(sky);
44       }
45   
46       private void paintBalloons(SPainter painter, int nrOfBalloons) {
47           int i = 1;
48           while ( i <= nrOfBalloons) {
49               paintOneBalloon(painter); // ask IntelliJ to generate the stub
50               i = i + 1;
51           }
52       }
53   
54       private void paintOneBalloon(SPainter painter) {
55           Random rgen = new Random();
56           int rn = rgen.nextInt(3);
57           if ( rn == 0 ) {
58               painter.setColor(Color.RED);
59           } else if ( rn == 1 ) {
60               painter.setColor(Color.ORANGE);
61           } else {
62               painter.setColor(Color.YELLOW);
63           }
64           painter.move();
65           int balloonRadius = 20;
66           SCircle balloon = new SCircle(balloonRadius);
67           painter.paint(balloon);
68           painter.setColor(Color.BLACK);
69           painter.draw(balloon);
70       }
71   }
72   
73