Balloons.java
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               @Override
26               public void run() {
27                   new Balloons();
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); // ask IntelliJ to generate the stub
37           int nrOfBalloons = 100;
38           paintBalloons(painter,nrOfBalloons); // ask IntelliJ to generate the stub
39       }
40   
41   
42   
43       private void paintSky(SPainter painter) {
44           painter.setColor(Color.BLUE);
45           SSquare sky = new SSquare(2000);
46           painter.paint(sky);
47       }
48   
49       private void paintBalloons(SPainter painter, int nrOfBalloons) {
50           int i = 1;
51           while (i <= nrOfBalloons) {
52               paintOneBalloon(painter); // ask IntelliJ to generate the stub
53               i = i + 1;
54           }
55       }
56   
57       private void paintOneBalloon(SPainter painter) {
58           Random rgen = new Random();
59           int rn = rgen.nextInt(3);
60           if (rn == 0) {
61               painter.setColor(Color.RED);
62           } else if (rn == 1) {
63               painter.setColor(Color.ORANGE);
64           } else {
65               painter.setColor(Color.YELLOW);
66           }
67           painter.move();
68           int balloonRadius = 20;
69           SCircle balloon = new SCircle(balloonRadius);
70           painter.paint(balloon);
71           painter.setColor(Color.BLACK);
72           painter.draw(balloon);
73       }
74   }
75