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    import java.awt.Color;
7    import java.util.Random;
8    import javax.swing.SwingUtilities;
9    import painter.SPainter;
10   import shapes.SCircle;
11   import shapes.SSquare;
12   public class Balloons {
13       // REQUIRED INFRASTRUCTURE
14       public Balloons() {
15           paintTheImage();
16       }
17   
18       public static void main(String[] args) {
19           SwingUtilities.invokeLater(new Runnable() {
20               public void run() {
21                   new Balloons();
22               }
23           });
24       }
25   
26       // THE PAINTER DOING ITS THING
27       private void paintTheImage() {
28           SPainter painter = new SPainter("Balloons", 600, 600);
29           paintSky(painter); // ask IntelliJ to generate the stub
30           int nrOfBalloons = 100;
31           paintBalloons(painter, nrOfBalloons); // ask IntelliJ to generate the stub
32       }
33   
34       private void paintSky(SPainter painter) {
35           painter.setColor(Color.BLUE);
36           SSquare sky = new SSquare(2000);
37           painter.paint(sky);
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               painter.setColor(Color.RED);
53           } else if (rn == 1) {
54               painter.setColor(Color.ORANGE);
55           } else {
56               painter.setColor(Color.YELLOW);
57           }
58           painter.move();
59           int balloonRadius = 20;
60           SCircle balloon = new SCircle(balloonRadius);
61           painter.paint(balloon);
62           painter.setColor(Color.BLACK);
63           painter.draw(balloon);
64       }
65   }
66   
67   
68   
69