1    /* 
2     * Program that paints 100 nameless balloons in a blue sky. 
3     * It will feature commands 
4     */
5    
6    package npw;
7    
8    import javax.swing.*;
9    import painter.SPainter;
10   import shapes.SCircle;
11   import shapes.SSquare;
12   
13   import java.awt.Color;
14   import java.util.Random;
15   
16   public class AlternateBalloons {
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       private void painttheImage() {
33           SPainter painter = new SPainter("Balloons", 600, 600);
34           paintSky(painter); // ask IntelliJ to generate a stub
35           int nrOfBalloons = 300;
36           paintBalloons(painter, nrOfBalloons); // ask IntelliJ to generate a stub
37       }
38   
39       private void paintSky(SPainter painter) {
40           painter.setColor(Color.BLUE);
41           SSquare sky = new SSquare(2000);
42           painter.paint(sky);
43       }
44   
45       private void paintBalloons(SPainter painter, int nrOfBalloons) {
46           int i = 1;
47           while (i <= nrOfBalloons) {
48               paintOneBalloon(painter); // ask IntelliJ to generate a stub
49               i = i + 1;
50           }
51       }
52   
53       Color Color1 = new Color(15,213,194);
54       Color Color2 = new Color(243,64,76);
55       Color Color3 = new Color(15,49,245);
56       Color Color4 = new Color(154,7,111);
57       Color Color5 = new Color(239,110,18);
58       Color Color6 = new Color(244,216,9);
59   
60       private void paintOneBalloon(SPainter painter) {
61           Random rgen = new Random();
62           int rn = rgen.nextInt(6);
63           if (rn == 0) {
64               painter.setColor(Color1);
65           } else if (rn == 1) {
66               painter.setColor(Color2);
67           } else if (rn == 2) {
68               painter.setColor(Color3);
69           } else if (rn == 3) {
70               painter.setColor(Color4);
71           } else if (rn == 4) {
72               painter.setColor(Color5);
73           } else {
74               painter.setColor(Color6);
75           }
76   
77   
78           painter.move();
79           int balloonRadius = 30;
80           SCircle balloon = new SCircle(balloonRadius);
81           painter.paint(balloon);
82           painter.setColor(Color.BLACK);
83           painter.draw(balloon);
84       }
85   
86   }
87