1    /* 
2     * Program that paints 300 different colored balloons in six "nameless" colors 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       public static void main(String[] args) {
24           SwingUtilities.invokeLater(new Runnable() {
25               public void run() {
26                   new AlternateBalloons();
27               }
28           });
29       }
30   
31       // THE PAINTER DOING ITS THING
32   
33       private void paintTheImage() {
34           SPainter painter = new SPainter("Balloons",600,600);
35           paintSky(painter);
36           int nrOfBalloons = 300;
37           paintAlternateBalloons(painter,nrOfBalloons);
38       }
39   
40       private void paintSky(SPainter painter) {
41           painter.setColor(Color.BLUE);
42           SSquare sky = new SSquare(2000);
43           painter.paint(sky);
44       }
45   
46       private void paintAlternateBalloons(SPainter painter, int nrOfBalloons) {
47           int i = 1;
48           while ( i <= nrOfBalloons ) {
49               paintOneBalloon(painter);
50               i = i + 1;
51           }
52       }
53       private void paintOneBalloon(SPainter painter) {
54           Random rgen = new Random();
55           int rn = rgen.nextInt(6);
56           Color one = new Color(0x0000af);
57           Color two = new Color(0x00af00);
58           Color three = new Color(0xaf0000);
59           Color four = new Color(0x00afaf);
60           Color five = new Color(0xaf00af);
61           Color six = new Color(0xafaf00);
62           if ( rn == 0) {
63               painter.setColor(one);
64           } else if ( rn == 1 ) {
65               painter.setColor(two);
66           } else if ( rn == 2 ) {
67               painter.setColor(three);
68           } else if ( rn == 3 ) {
69               painter.setColor(four);
70           } else if ( rn == 4 ) {
71               painter.setColor(five);
72           } else {
73               painter.setColor(six);
74           }
75           painter.move();
76           int balloonRadius = 30;
77           SCircle balloon = new SCircle(balloonRadius);
78           painter.paint(balloon);
79           painter.setColor(Color.BLACK);
80           painter.draw(balloon);
81       }
82   }