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       //REQUIRED INFRASTRUCTURE
17       public Balloons() {
18           paintTheImage();
19       }
20   
21       public static void main (String[] args) {
22           SwingUtilities.invokeLater(new Runnable() {
23               public void run() {
24                   new Balloons();
25               }
26           });
27       }
28   
29       // THE PAINTER DOING ITS THING
30   
31       private void paintTheImage() {
32           SPainter painter = new SPainter("Balloons", 600, 600);
33           paintSky(painter); // ask intelliJ to generate the stub
34           int nrOfBalloons = 100;
35           paintBalloons(painter,nrOfBalloons);
36       }
37   
38       private void paintSky(SPainter painter) {
39           painter.setColor(Color.BLUE);
40           SSquare sky = new SSquare(2000);
41           painter.paint(sky);
42       }
43   
44       private void paintBalloons(SPainter painter, int nrOfBalloons) {
45           int i = 1;
46           while ( i <= nrOfBalloons) {
47               paintOneBalloon(painter);
48               i = i + 1;
49           }
50       }
51   
52       private void paintOneBalloon(SPainter painter) {
53           Random rgen = new Random();
54           int rn = rgen.nextInt(3);
55           if (rn == 0) {
56               painter.setColor(Color.RED);
57           } else if (rn == 1) {
58               painter.setColor(Color.ORANGE);
59           } else {
60               painter.setColor(Color.YELLOW);
61           }
62           painter.move();
63           int balloonRadius = 20;
64           SCircle balloon = new SCircle(balloonRadius);
65           painter.paint(balloon);
66           painter.setColor(Color.BLACK);
67           painter.draw(balloon);
68       }
69   }
70