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 java.awt.Color;
8    import java.util.Random;
9    import javax.swing.SwingUtilities;
10   import painter.SPainter;
11   import shapes.SCircle;
12   import shapes.SSquare;
13   
14   public class AlternateBalloons {
15   
16       //REQUIRED INFRASTRUCTURE
17   
18       public AlternateBalloons() {
19           painTheImage();
20       }
21   
22       public static void main(String[] args) {
23           SwingUtilities.invokeLater(new Runnable() {
24               public void run() {
25                   new AlternateBalloons();
26               }
27           });
28       }
29   
30       //THE PAINTER DOING ITS THING
31   
32       private void painTheImage() {
33           SPainter painter = new SPainter("Balloons", 600, 600);
34           paintsky(painter); //askIntelliJ to generate the stub
35           int nrOfBalloons = 300;
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(6);
50           if ( rn == 0 ) {
51               painter.setColor(Color.RED);
52           } else if ( rn == 1 ) {
53               painter.setColor(Color.ORANGE);
54           } else if (rn == 2 ){
55               painter.setColor(Color.YELLOW);
56           } else {
57               painter.setColor(randomColor());
58           }
59           painter.move();
60           int balloonRadius = 30;
61           SCircle balloon = new SCircle(balloonRadius);
62           painter.paint(balloon);
63           painter.setColor(Color.BLACK);
64           painter.draw(balloon);
65       }
66   
67       private Color randomColor() {
68           int rv = (int)(Math.random()*256);
69           int gv = (int)(Math.random()*256);
70           int bv = (int)(Math.random()*256);
71           return new Color(rv,gv,bv);
72       }
73   
74       private void paintsky(SPainter painter) {
75           painter.setColor(Color.BLUE);
76           SSquare sky = new SSquare(2000);
77           painter.paint(sky);
78       }
79   
80   }
81