1    /* 
2     * Program that paints 100 red, yellow, and orange balloons in a blue sky. 
3     * It will feature commands. 
4     */
5    package npw;
6    
7    import painter.SPainter;
8    import shapes.SCircle;
9    import shapes.SSquare;
10   
11   import javax.swing.*;
12   import java.awt.*;
13   import java.util.Random;
14   
15   public class Balloons {
16       //  REQUIRED INFRASTRUCTURE
17   
18       public Balloons() {
19           paintTheImage();
20       }
21   
22       public static void main (String[] args){
23           SwingUtilities.invokeLater(new Runnable() {
24               public void run() {
25                   new Balloons();
26               }
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 paintBalloons(SPainter painter, int nrOfBalloons) {
40           int i = 1;
41           while (i <= nrOfBalloons) {
42               paintOneBalloon(painter); //ask IntelliJ to generate the stub
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