1    /* 
2     * Program that paints 100 red, yellow, blue, green, magenta, 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 AlternateBalloons {
16   
17       public static void main(String[] args) {
18           SwingUtilities.invokeLater(new Runnable() {
19               public void run() {
20                   new AlternateBalloons();
21               }
22           });
23       }
24       // THE PAINTER DOING ITS THING
25       private void paintTheImage() {
26           SPainter painter = new SPainter("Balloons", 600, 600);
27           paintSky(painter);
28           int nrOfBalloons = 300;
29           paintBalloons(painter,nrOfBalloons);
30       }  //PAINT THE SKY
31       private void paintSky(SPainter painter) {
32           painter.setColor(Color.BLUE);
33           SSquare sky = new SSquare(2000);
34           painter.paint(sky);
35       }
36       private void paintBalloons(SPainter painter, int nrOfBalloons) {
37           int i = 1;
38           while ( i <= nrOfBalloons ) { //IF I IS LESS THAN OR EQUAL TO nrOfBalloons LOOP THIS vvv
39               paintOneBalloon(painter); //GO TO NEW STUB MADE FOR THIS LINE
40               i = i + 1;
41           }
42       }//PAINT THE BALLOONS
43       private void paintOneBalloon(SPainter painter) {
44           Random rgen = new Random();
45           int rn = rgen.nextInt(6);
46           if ( rn == 0 ) {
47               painter.setColor(Color.RED);
48           } else if ( rn == 1 ) {
49               painter.setColor(Color.ORANGE);
50           } else if ( rn == 2 ) {
51               painter.setColor(Color.BLUE);
52           } else if ( rn == 3 ) {
53               painter.setColor(Color.GREEN);
54           } else if ( rn == 4) {
55               painter.setColor(Color.MAGENTA);
56           } else {
57               painter.setColor(Color.YELLOW);
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       // REQUIRED INFRASTRUCTURE
67       public AlternateBalloons() { paintTheImage();
68       }
69   }
70