1    /* 
2     * Program that paints 300 red, yellow, orange, green, white, and pink 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 AlternateBalloons {
16       // REQUIRED INFRASTRUCTURE
17   
18       public AlternateBalloons() {
19           paintTheImage();
20       }
21   
22       public static void main(String[] args) {
23           SwingUtilities.invokeLater(new Runnable() {
24               public void run() {
25                   new AlternateBalloons();
26               }
27           });
28       }
29   
30       // THE PAINTER DOING ITS THING
31   
32       private void paintTheImage() {
33           SPainter painter = new SPainter("AlternateBalloons", 600, 600);
34           paintSky(painter); // ask IntelliJ to generate the stub
35           int nrOfBalloons = 300;
36           paintBalloons(painter,nrOfBalloons); // ask IntelliJ to generate the stub
37       }
38   
39       private void paintSky(SPainter painter) {
40           painter.setColor(Color.BLUE);
41           SSquare sky = new SSquare(2000);
42           painter.paint(sky);
43       }
44   
45       private void paintBalloons(SPainter painter, int nrOfBalloons) {
46           int i = 1;
47           while ( i <= nrOfBalloons ) {
48               paintOneBalloon(painter); // ask IntelliJ to generate the stub
49               i = i + 1;
50           }
51       }
52   
53       private void paintOneBalloon(SPainter painter) {
54           Random rgen = new Random();
55           int rn = rgen.nextInt(6);
56           if ( rn == 0 ) {
57               painter.setColor(Color.RED);
58           } else if (rn == 1 ) {
59               painter.setColor(Color.ORANGE);
60           } else if (rn == 2 ) {
61               painter.setColor(Color.GREEN);
62           } else if (rn == 3 ) {
63               painter.setColor(Color.WHITE);
64           } else if (rn == 4 ) {
65               painter.setColor(Color.PINK);
66           } else {
67               painter.setColor(Color.YELLOW);
68           }
69           painter.move();
70           int balloonRadius = 30;
71           SCircle balloon = new SCircle(balloonRadius);
72           painter.paint(balloon);
73           painter.setColor(Color.BLACK);
74           painter.draw(balloon);
75       }
76   }
77