1    /* 
2        Program that paints 100 red, yellow and orange balloons in a blue sky. 
3        It will feature commands 
4     */
5    
6    
7    package npw;
8    
9    import painter.SPainter;
10   import shapes.SCircle;
11   import shapes.SSquare;
12   
13   import javax.swing.*;
14   import java.awt.*;
15   import java.util.Random;
16   
17   public class Balloons {
18   
19       //REQUIRED INFRASTRUCTURE
20   
21       public Balloons() {
22           paintTheImage();
23       }
24       public static void main (String [] args) {
25           SwingUtilities.invokeLater(new Runnable() {
26               @Override
27               public void run() {
28                   new AlternateBalloons();
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       private void paintBalloons(SPainter painter, int nrOfBallons) {
48           int i = 1;
49           while (i <= nrOfBallons) {
50               paintOneBallon(painter);    //ask IntelliJ to generate the stub
51               i = i +1;
52           }
53       }
54   
55       private void paintOneBallon(SPainter painter) {
56           Random rgen = new Random();
57           int rn = rgen.nextInt(3);
58           if (rn == 0) {
59               painter.setColor(Color.RED);
60           }
61           else if (rn == 1) {
62               painter.setColor(Color.ORANGE);
63           }
64           else {
65               painter.setColor(Color.YELLOW);
66           }
67           painter.move();
68           int ballonRadius = 20;
69           SCircle balloon = new SCircle(ballonRadius);
70           painter.paint(balloon);
71           painter.setColor(Color.BLACK);
72           painter.draw(balloon);
73   
74       }
75   }
76