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 painter.SPainter;
9    import shapes.SCircle;
10   import shapes.SSquare;
11   import javax.swing.*;
12   import java.awt.*;
13   import java.util.Random;
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       // THE PAINTER DOING ITS THING
32       private void paintTheImage() {
33           SPainter painter = new SPainter("Balloons", 6000, 600);
34           paintSky(painter);
35           int nrOfBalloons = 100;
36           paintBalloons(painter, nrOfBalloons);
37       }
38   
39       private void paintBalloons(SPainter painter, int nrOfBalloons) {
40           int i = 1;
41           while (i <= nrOfBalloons ) {
42               paintOneBalloon(painter);
43               i = i + 1;
44           }
45       }
46   
47       private void paintOneBalloon(SPainter painter) {
48               Random rgen = new Random();
49               int rn = rgen.nextInt(3);
50               if ( rn == 0 ) {
51                   painter.setColor(Color.RED);
52               } else if (rn == 1 ) {
53                   painter.setColor(Color.ORANGE);
54               } else {
55                   painter.setColor(Color.YELLOW);
56               }
57               painter.move();
58               int balloonRadius = 20;
59               SCircle balloon = new SCircle(balloonRadius);
60               painter.paint(balloon);
61               painter.setColor(Color.BLACK);
62               painter.draw(balloon);
63       }
64   
65       private void paintSky(SPainter painter) {
66           painter.setColor(Color.BLUE);
67           SSquare sky = new SSquare(2000);
68           painter.paint(sky);
69       }
70   }
71