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   import java.awt.*;
16   
17   public class Balloons {
18   
19       // REQUIRED INFRASTRUCTURE
20   
21       public Balloons() {
22         paintTheImage();
23       }
24   
25       public static void main(String[] args) {
26           SwingUtilities.invokeLater(new Runnable() {
27               public void run() {
28                   new Balloons();
29               }
30           });
31       }
32   
33       //THE PAINTER DOING ITS THING
34   
35       private void paintTheImage() {
36           SPainter painter = new SPainter("Balloons", 600, 600);
37           paintSky(painter); //ask IntelliJ to generate the stub
38           int nrOfBalloons = 100;
39           paintBalloons(painter, nrOfBalloons); //ask IntelliJ to generate the stub
40       }
41   
42       private void paintSky(SPainter painter) {
43           painter.setColor(Color.BLUE);
44           SSquare sky = new SSquare(2000);
45           painter.paint(sky);
46       }
47   
48       private void paintBalloons(SPainter painter, int nrOfBalloons) {
49           int i = 1;
50           while ( i <= nrOfBalloons ) { //counter controlled loop (has a header, we know how many items it will use - 100)
51               paintOneBalloon(painter); //ask intelliJ to create the stub
52               i = i + 1;
53           }
54       }
55   
56       private void paintOneBalloon(SPainter painter) {
57           Random rgen = new Random();
58           int rn = rgen.nextInt(3);
59           if ( rn == 0 ) {
60               painter.setColor(Color.RED);
61           } else if ( rn == 1) {
62               painter.setColor(Color.ORANGE);
63           } else {
64               painter.setColor(Color.YELLOW);
65           }
66           painter.move();
67           int balloonRadius = 20;
68           SCircle balloon = new SCircle(balloonRadius);
69           painter.paint(balloon);
70           painter.setColor(Color.BLACK);
71           painter.draw(balloon);
72       }
73   }
74