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    
7    import java.awt.Color;
8    import java.util.Random;
9    import javax.swing.SwingUtilities;
10   import painter.SPainter;
11   import shapes.SCircle;
12   import shapes.SSquare;
13   
14   public class Balloons {
15   
16       // REQUIRED INFRASTRUCTURE
17   
18       public Balloons() {
19           paintTheImage();
20       }
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 a stub
38   
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); // ask Intellij to generate the stub
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   }