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   
32       //THE PAINTER DOING ITS THING
33   
34       private void paintTheImage() {
35           SPainter painter = new SPainter("Balloons", 600, 600);
36           paintSky(painter);
37           int nrOfBalloons = 100;
38           paintBalloons(painter,nrOfBalloons);
39       }
40   
41       private void paintSky(SPainter painter) {
42           painter.setColor(Color.BLUE);
43           SSquare sky = new SSquare(2000);
44           painter.paint(sky);
45       }
46   
47       private void paintBalloons(SPainter painter, int nrOfBalloons) {
48           int i = 1;
49           while (i <= nrOfBalloons) {
50               paintOneBalloon(painter);
51               i = i + 1;
52           }
53       }
54   
55       private void paintOneBalloon(SPainter painter) {
56           Random rgen = new Random();
57           int rn = rgen.nextInt(3);
58           if (rn == 0) {
59               painter.setColor(Color.RED);
60           } else if (rn == 1) {
61               painter.setColor(Color.ORANGE);
62           } else {
63               painter.setColor(Color.YELLOW);
64           }
65           painter.move();
66           int balloonRadius = 20;
67           SCircle balloon = new SCircle(balloonRadius);
68           painter.paint(balloon);
69           painter.setColor(Color.BLACK);
70           painter.draw(balloon);
71   
72       }
73   
74   }
75