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 AlternateBalloons {
16   
17       //REQUIRED INFRASTRUCTURE
18   
19       public AlternateBalloons() {
20           paintTheImage();
21   
22       }
23   
24       public static void main(String[] args) {
25           SwingUtilities.invokeLater(new Runnable() {
26               public void run() {
27                   new AlternateBalloons();
28   
29               }
30           });
31       }
32   
33       //THE PAINTER DOING ITS THING
34   
35       private void paintTheImage() {
36           SPainter painter = new SPainter("Alternate Balloons", 600, 600);
37           paintSky(painter); //ask IntelliJ to generate the stub
38           int nrOfBalloons = 300;
39           paintBalloons(painter, nrOfBalloons);  //ask IntelliJ to generate a 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) {
51               paintOneBalloon(painter); //ask IntelliJ to generate a stub
52               i = i + 1;
53           }
54       }
55   
56       private void paintOneBalloon(SPainter painter) {
57           Random rgen = new Random();
58           int rn = rgen.nextInt(6);
59           if (rn == 0) {
60               painter.setColor(Color.RED);
61           } else if (rn == 1) {
62               painter.setColor(Color.ORANGE);
63           } else if (rn == 2) {
64               painter.setColor(Color.GREEN);
65           } else if (rn == 3) {
66               painter.setColor(Color.PINK);
67           } else if (rn == 4) {
68               painter.setColor(Color.CYAN);
69           } else {
70               painter.setColor(Color.MAGENTA);
71           }
72           painter.move();
73           int balloonRadius = 30;
74           SCircle balloon = new SCircle(balloonRadius);
75           painter.paint(balloon);
76           painter.setColor(Color.BLACK);
77           painter.draw(balloon);
78       }
79   
80   }
81