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 DOING 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 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       private void paintSky(SPainter painter) {
67           painter.setColor(Color.BLUE);
68           SSquare sky = new SSquare(2000);
69           painter.paint(sky);
70       }
71   }
72