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       // THE PAINTER DOING ITS THING
31   
32   private void paintTheImage() {
33       SPainter painter = new SPainter("Balloons", 600, 600);
34       paintSky(painter); //ask IntelliJ to generate the stub
35       int nrOfBalloons = 100;
36       paintBalloons(painter, nrOfBalloons); //ask IntelliJ to generate the stub
37   }
38   
39   private void paintSky(SPainter painter) {
40       painter.setColor(Color.BLUE);
41       SSquare sky = new SSquare(2000);
42       painter.paint(sky);
43   }
44   
45   private void paintBalloons(SPainter painter, int nrOfBalloons) {
46       int i = 1;
47       while (i <= nrOfBalloons) {
48           paintOneBalloon(painter); //ask IntelliJ to generate the stub
49           i = i + 1;
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