Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.util.Random;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;

public class Main extends JFrame {
    Main() {
        setLayout(new FlowLayout());
        add(new JDie());
        add(new JDie());
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        pack();
        setVisible(true);
    }

    public static void main(String[] args) {
        new Main();
    }
}

class JDie extends JPanel {
    private static final int SIDE = 32;
    private static final Random r = new Random();
    private Color color;
    private int value = getValue();
    private final Timer t = new Timer(500, null);

    JDie() {
        value = getValue();
        t.addActionListener(e -> {
            value = getValue();
            repaint();
        });
        t.start();
    }

    @Override
    public Dimension getPreferredSize() {
        return new Dimension(SIDE * 7, SIDE * 7);
    }

    private int getValue() {
        color = Color.getHSBColor(r.nextFloat(), 1, 1);
        return r.nextInt(6) + 1;
    }

    @Override
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        g.setColor(color);
        switch (value) {
        case 1:
            g.fillRect(3 * SIDE, 3 * SIDE, SIDE, SIDE);
            break;
        case 2:
            g.fillRect(5 * SIDE, SIDE, SIDE, SIDE);
            g.fillRect(SIDE, 5 * SIDE, SIDE, SIDE);
            break;
        case 3:
            g.fillRect(5 * SIDE, SIDE, SIDE, SIDE);
            g.fillRect(SIDE, 5 * SIDE, SIDE, SIDE);
            g.fillRect(3 * SIDE, 3 * SIDE, SIDE, SIDE);
            break;
        case 4:
            g.fillRect(SIDE, SIDE, SIDE, SIDE);
            g.fillRect(5 * SIDE, 5 * SIDE, SIDE, SIDE);
            g.fillRect(5 * SIDE, SIDE, SIDE, SIDE);
            g.fillRect(SIDE, 5 * SIDE, SIDE, SIDE);
            break;
        case 5:
            g.fillRect(SIDE, SIDE, SIDE, SIDE);
            g.fillRect(5 * SIDE, 5 * SIDE, SIDE, SIDE);
            g.fillRect(5 * SIDE, SIDE, SIDE, SIDE);
            g.fillRect(SIDE, 5 * SIDE, SIDE, SIDE);
            g.fillRect(3 * SIDE, 3 * SIDE, SIDE, SIDE);
            break;
        case 6:
            g.fillRect(SIDE, SIDE, SIDE, SIDE);
            g.fillRect(5 * SIDE, 5 * SIDE, SIDE, SIDE);
            g.fillRect(5 * SIDE, SIDE, SIDE, SIDE);
            g.fillRect(SIDE, 5 * SIDE, SIDE, SIDE);
            g.fillRect(SIDE, 3 * SIDE, SIDE, SIDE);
            g.fillRect(5 * SIDE, 3 * SIDE, SIDE, SIDE);
            break;
        }
    }
}