1    package npw;
2    
3    import painter.SPainter;
4    import shapes.SSquare;
5    
6    import javax.swing.*;
7    import java.awt.*;
8    import java.util.Random;
9    import java.util.Scanner;
10   
11   public class Stella {
12   
13       public static void main(String[] args) {
14           SwingUtilities.invokeLater(new Runnable() {
15               public void run() {
16                   new Stella();
17               }
18           });
19       }
20   
21       public Stella() {
22           paintTheImage();
23       }
24   
25       private void paintTheImage(){
26           int width = 800;
27           int height = 800;
28           int nrOfSquares = input("how many squares?");
29   
30           SPainter painter = new SPainter("Stella", width, height);
31           SSquare dot = new SSquare(700);
32   
33           paintStella(painter, dot, height, width, nrOfSquares);
34       }
35   
36       private static int input(String prompt) {
37           String nss = JOptionPane.showInputDialog(null,prompt);
38           Scanner scanner = new Scanner(nss);
39           return scanner.nextInt();
40       }
41   
42       private void paintStella(SPainter painter, SSquare square, int height, int width, int nrOfSquares) {
43           Color c1 = randomColor();
44           Color c2 = randomColor();
45           painter.setColor(c2);
46           painter.paint(square);
47           int decrease = 700 / nrOfSquares;
48   
49           for ( int i = 0; i <= nrOfSquares; i++ ) {
50               square.resetSide((int) square.side() - decrease);
51               if ( i % 2 == 0) {
52                   painter.setColor(c1);
53               }
54               else {
55                   painter.setColor(c2);
56               }
57               painter.paint(square);
58           }
59       }
60   
61       private Color randomColor() {
62           Random r = new Random();
63           int rgen = r.nextInt(10);
64           Random g = new Random();
65           int ggen = g.nextInt(150);
66           Random b = new Random();
67           int bgen = b.nextInt(200);
68           Color randomColor = new Color(rgen, ggen, bgen);
69           return randomColor;
70       }
71   }