1    package npw;
2    
3    import java.awt.Color;
4    import java.util.Random;
5    import javax.swing.SwingUtilities;
6    import painter.SPainter;
7    import shapes.SCircle;
8    import shapes.SSquare;
9    
10   public class Balloons {
11   
12       public Balloons(){
13           paintTheImage();
14       }
15       public static void main(String[] args){
16           SwingUtilities.invokeLater(new Runnable() {
17               public void run() {
18                  new Balloons();
19               }
20           });
21       }
22       private void paintTheImage(){
23           SPainter painter = new SPainter("Balloons", 600, 600);
24           paintSky(painter);
25           int nrOfBalloons = 100;
26           paintBalloons(painter,nrOfBalloons);
27       }
28       private void paintSky(SPainter painter) {
29           painter.setColor(Color.BLUE);
30           SSquare sky = new SSquare(2000);
31           painter.paint(sky);
32       }
33       private void paintBalloons(SPainter painter, int nrOfBalloons) {
34           int i = 1;
35           while ( i <= nrOfBalloons ){
36               paintOneBalloon(painter);
37               i = i + 1;
38           }
39       }
40   
41       private void paintOneBalloon(SPainter painter) {
42           Random rgen = new Random();
43           int rn = rgen.nextInt(3);
44           if (rn == 0 ) {
45               painter.setColor(Color.RED);
46           }else if( rn == 1 ) {
47               painter.setColor(Color.ORANGE);
48           } else if (rn == 2) {
49               painter.setColor(Color.YELLOW);
50           }
51           painter.move();
52           int balloonRadius = 20;
53           SCircle balloon = new SCircle(balloonRadius);
54           painter.paint(balloon);
55           painter.setColor(Color.BLACK);
56           painter.draw(balloon);
57       }
58   
59   }
60