1    /* 
2     * To print a set a squares alternating 2 random colors 
3     */
4    
5    
6    package npw;
7    
8    import java.awt.Color;
9    import java.util.Random;
10   import java.util.Scanner;
11   import javax.swing.JOptionPane;
12   
13   import painter.SPainter;
14   import shapes.SSquare;
15   
16   public class Stella {
17   
18       public static void main(String[] args) {
19           int side = 700;
20           int nrOfSquares = getNumber("squares");
21   
22           SPainter painter = new SPainter("Stella", 800, 800);
23           SSquare square = new SSquare(side);
24   
25           paintSquare(painter, square, nrOfSquares);
26   
27       }
28   
29       private static int getNumber(String prompt) {
30           String nss = JOptionPane.showInputDialog(null, prompt + "?");
31           Scanner scanner = new Scanner(nss);
32           return scanner.nextInt();
33       }
34   
35       private static void paintSquare(SPainter painter, SSquare square, int nrOfSquares) {
36           double shrink = (square.side() / nrOfSquares);
37           int i = 1;
38           Color firstrandom = random();
39           Color secondrandom = random();
40           while (i <= nrOfSquares) {
41               System.out.println(i /2 );
42               if (i % 2 == 0) {
43                   painter.setColor(firstrandom);
44               } else {
45                   painter.setColor(secondrandom);
46               }
47               painter.paint(square);
48               square.shrink(shrink);
49               i = i + 1;
50           }
51   
52       }
53   
54       private static Color random() {
55           Random rgen = new Random();
56           int r = rgen.nextInt(256);
57           int g = rgen.nextInt(256);
58           int b = rgen.nextInt(256);
59           return new Color(r, b, g);
60       }
61   
62   
63   }