learning 2d game programing

.idea/modules.xml

@@ -6,10 +6,11 @@
       <module fileurl="file://$PROJECT_DIR$/BruitForce/BruitForce.iml" filepath="$PROJECT_DIR$/BruitForce/BruitForce.iml" />
       <module fileurl="file://$PROJECT_DIR$/CodingChallanges/CodingChallanges.iml" filepath="$PROJECT_DIR$/CodingChallanges/CodingChallanges.iml" />
       <module fileurl="file://$PROJECT_DIR$/DemoProjects/DemoProjects.iml" filepath="$PROJECT_DIR$/DemoProjects/DemoProjects.iml" />
+      <module fileurl="file://$PROJECT_DIR$/Doodles/Doodles.iml" filepath="$PROJECT_DIR$/Doodles/Doodles.iml" />
       <module fileurl="file://$PROJECT_DIR$/ImageToText/ImageToText.iml" filepath="$PROJECT_DIR$/ImageToText/ImageToText.iml" />
       <module fileurl="file://$PROJECT_DIR$/LanguageAnalysis/LanguageAnalysis.iml" filepath="$PROJECT_DIR$/LanguageAnalysis/LanguageAnalysis.iml" />
       <module fileurl="file://$PROJECT_DIR$/TOOLS/TOOLS.iml" filepath="$PROJECT_DIR$/TOOLS/TOOLS.iml" />
-      <module fileurl="file://$PROJECT_DIR$/TicTacToe_MinMax/TicTacToe_MinMax.iml" filepath="$PROJECT_DIR$/TicTacToe_MinMax/TicTacToe_MinMax.iml" />
+      <module fileurl="file://$PROJECT_DIR$/TicTacToe - MinMax/TicTacToe - MinMax.iml" filepath="$PROJECT_DIR$/TicTacToe - MinMax/TicTacToe - MinMax.iml" />
     </modules>
   </component>
 </project>

ATM-Machine/src/Operator.java

@@ -1,3 +1,5 @@
+package src;
+
 import java.util.Scanner;
 
 public class Operator {

DemoProjects/src/animation/swingTimer/Board.java

@@ -0,0 +1,79 @@
+package animation.swingTimer;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.Toolkit;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import javax.swing.ImageIcon;
+import javax.swing.JPanel;
+import javax.swing.Timer;
+
+public class Board extends JPanel
+        implements ActionListener {
+
+    private final int B_WIDTH = 700;
+    private final int B_HEIGHT = 700;
+    private final int INITIAL_X = -40;
+    private final int INITIAL_Y = -40;
+    private final int DELAY = 5;
+
+    private Image star;
+    private Timer timer;
+    private int x, y;
+
+    public Board() {
+
+        initBoard();
+    }
+
+    private void loadImage() {
+
+        ImageIcon ii = new ImageIcon("/home/bitecoding/Pictures/star.png");
+        star = ii.getImage().getScaledInstance(50,50,Image.SCALE_DEFAULT);
+    }
+
+    private void initBoard() {
+
+        setBackground(Color.BLACK);
+        setPreferredSize(new Dimension(B_WIDTH, B_HEIGHT));
+
+        loadImage();
+
+        x = INITIAL_X;
+        y = INITIAL_Y;
+
+        timer = new Timer(DELAY, this);
+        timer.start();
+    }
+
+    @Override
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+        drawStar(g);
+    }
+
+    private void drawStar(Graphics g) {
+
+        g.drawImage(star, x, y, this);
+        Toolkit.getDefaultToolkit().sync();
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+
+        x += 10;
+        y += 10;
+
+        if (y > B_HEIGHT) {
+
+            y = INITIAL_Y;
+            x = INITIAL_X;
+        }
+
+        repaint();
+    }
+}

DemoProjects/src/animation/swingTimer/SwingTimer.java

@@ -0,0 +1,32 @@
+package animation.swingTimer;
+
+import java.awt.EventQueue;
+import javax.swing.JFrame;
+
+public class SwingTimer extends JFrame {
+
+    public SwingTimer() {
+
+        initUI();
+    }
+
+    private void initUI() {
+
+        add(new Board());
+
+        setResizable(false);
+        pack();
+
+        setTitle("Star");
+        setLocationRelativeTo(null);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    }
+
+    public static void main(String[] args) {
+
+        EventQueue.invokeLater(() -> {
+            SwingTimer ex = new SwingTimer();
+            ex.setVisible(true);
+        });
+    }
+}

DemoProjects/src/animation/thread/Board.java

@@ -0,0 +1,112 @@
+package animation.thread;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.Toolkit;
+import javax.swing.ImageIcon;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+
+public class Board extends JPanel
+        implements Runnable {
+
+    private final int B_WIDTH = 350;
+    private final int B_HEIGHT = 350;
+    private final int INITIAL_X = -40;
+    private final int INITIAL_Y = -40;
+    private final int DELAY = 25;
+
+    private Image star;
+    private Thread animator;
+    private int x, y;
+
+    public Board() {
+
+        initBoard();
+    }
+
+    private void loadImage() {
+
+        ImageIcon ii = new ImageIcon("/home/bitecoding/Pictures/star.png");
+        star = ii.getImage().getScaledInstance(50,50, Image.SCALE_DEFAULT);
+    }
+
+    private void initBoard() {
+
+        setBackground(Color.BLACK);
+        setPreferredSize(new Dimension(B_WIDTH, B_HEIGHT));
+
+        loadImage();
+
+        x = INITIAL_X;
+        y = INITIAL_Y;
+    }
+
+    @Override
+    public void addNotify() {
+        super.addNotify();
+
+        animator = new Thread(this);
+        animator.start();
+    }
+
+    @Override
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+        drawStar(g);
+    }
+
+    private void drawStar(Graphics g) {
+
+        g.drawImage(star, x, y, this);
+        Toolkit.getDefaultToolkit().sync();
+    }
+
+    private void cycle() {
+
+        x += 1;
+        y += 1;
+
+        if (y > B_HEIGHT) {
+
+            y = INITIAL_Y;
+            x = INITIAL_X;
+        }
+    }
+
+    @Override
+    public void run() {
+
+        long beforeTime, timeDiff, sleep;
+
+        beforeTime = System.currentTimeMillis();
+
+        while (true) {
+
+            cycle();
+            repaint();
+
+            timeDiff = System.currentTimeMillis() - beforeTime;
+            sleep = DELAY - timeDiff;
+
+            if (sleep < 0) {
+                sleep = 2;
+            }
+
+            try {
+                Thread.sleep(sleep);
+            } catch (InterruptedException e) {
+
+                String msg = String.format("Thread interrupted: %s", e.getMessage());
+
+                JOptionPane.showMessageDialog(this, msg, "Error",
+                        JOptionPane.ERROR_MESSAGE);
+            }
+
+            beforeTime = System.currentTimeMillis();
+        }
+    }
+}

DemoProjects/src/animation/thread/ThreadAnimation.java

@@ -0,0 +1,32 @@
+package animation.thread;
+
+import java.awt.EventQueue;
+import javax.swing.JFrame;
+
+public class ThreadAnimation extends JFrame {
+
+    public ThreadAnimation() {
+
+        initUI();
+    }
+
+    private void initUI() {
+
+        add(new Board());
+
+        setResizable(false);
+        pack();
+
+        setTitle("Star");
+        setLocationRelativeTo(null);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    }
+
+    public static void main(String[] args) {
+
+        EventQueue.invokeLater(() -> {
+            JFrame ex = new ThreadAnimation();
+            ex.setVisible(true);
+        });
+    }
+}

DemoProjects/src/animation/utilityTimer/Board.java

@@ -0,0 +1,81 @@
+package animation.utilityTimer;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.Toolkit;
+import java.util.Timer;
+import java.util.TimerTask;
+import javax.swing.ImageIcon;
+import javax.swing.JPanel;
+
+public class Board extends JPanel  {
+
+    private final int B_WIDTH = 350;
+    private final int B_HEIGHT = 350;
+    private final int INITIAL_X = -40;
+    private final int INITIAL_Y = -40;
+    private final int INITIAL_DELAY = 0;
+    private final int PERIOD_INTERVAL = 25;
+
+    private Image star;
+    private Timer timer;
+    private int x, y;
+
+    public Board() {
+
+        initBoard();
+    }
+
+    private void loadImage() {
+
+        ImageIcon ii = new ImageIcon("/home/bitecoding/Pictures/star.png");
+        star = ii.getImage().getScaledInstance(50,50,Image.SCALE_DEFAULT);
+    }
+
+    private void initBoard() {
+
+        setBackground(Color.BLACK);
+        setPreferredSize(new Dimension(B_WIDTH, B_HEIGHT));
+
+        loadImage();
+
+        x = INITIAL_X;
+        y = INITIAL_Y;
+
+        timer = new Timer();
+        timer.scheduleAtFixedRate(new ScheduleTask(),
+                INITIAL_DELAY, PERIOD_INTERVAL);
+    }
+
+    @Override
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+        drawStar(g);
+    }
+
+    private void drawStar(Graphics g) {
+
+        g.drawImage(star, x, y, this);
+        Toolkit.getDefaultToolkit().sync();
+    }
+
+    private class ScheduleTask extends TimerTask {
+
+        @Override
+        public void run() {
+
+            x += 1;
+            y += 1;
+
+            if (y > B_HEIGHT) {
+                y = INITIAL_Y;
+                x = INITIAL_X;
+            }
+
+            repaint();
+        }
+    }
+}

DemoProjects/src/animation/utilityTimer/UtilityTimer.java

@@ -0,0 +1,32 @@
+package animation.utilityTimer;
+
+import java.awt.EventQueue;
+import javax.swing.JFrame;
+
+public class UtilityTimer extends JFrame {
+
+    public UtilityTimer() {
+
+        initUI();
+    }
+
+    private void initUI() {
+
+        add(new Board());
+
+        setResizable(false);
+        pack();
+
+        setTitle("Star");
+        setLocationRelativeTo(null);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    }
+
+    public static void main(String[] args) {
+
+        EventQueue.invokeLater(() -> {
+            JFrame ex = new UtilityTimer();
+            ex.setVisible(true);
+        });
+    }
+}

DemoProjects/src/game/minitennis1/Game2.java

@@ -1,30 +0,0 @@
-package minitennis1;
-
-import javax.swing.*;
-import java.awt.*;
-import java.awt.geom.Ellipse2D;
-
-public class Game2 extends JPanel {
-
-    @Override
-    public void paint(Graphics g) {
-        Graphics2D g2d = (Graphics2D) g;
-        g2d.setColor(Color.RED);
-        g2d.fillOval(0, 0, 30, 30);
-        g2d.drawOval(0, 50, 30, 30);
-        g2d.fillRect(50, 0, 30, 30);
-        g2d.drawRect(50, 50, 30, 30);
-
-        g2d.draw(new Ellipse2D.Double(0, 100, 30, 30));
-    }
-
-    public static void main(String[] args) {
-        JFrame frame = new JFrame("Mini Tennis");
-        frame.add(new Game2());
-        frame.setSize(300, 300);
-        frame.setVisible(true);
-        frame.setLocationRelativeTo(null);
-        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-
-    }
-}

DemoProjects/src/game/minitennis2/Game.java

@@ -1,4 +0,0 @@
-package game.minitennis2;
-
-public class Game {
-}

DemoProjects/src/painting/SwingPaintDemo/SwingPaintDemo1.java

@@ -1,4 +1,4 @@
-package painting;
+package painting.SwingPaintDemo;
 
 import javax.swing.SwingUtilities;
 import javax.swing.JFrame;

DemoProjects/src/painting/SwingPaintDemo/SwingPaintDemo2.java

@@ -1,4 +1,4 @@
-package painting;
+package painting.SwingPaintDemo;
 
 import javax.swing.SwingUtilities;
 import javax.swing.JFrame;

DemoProjects/src/painting/SwingPaintDemo/SwingPaintDemo3.java

@@ -1,4 +1,4 @@
-package painting;
+package painting.SwingPaintDemo;
 
 import javax.swing.SwingUtilities;
 import javax.swing.JFrame;
@@ -8,10 +8,7 @@ import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.Graphics;
 import java.awt.event.MouseEvent;
-import java.awt.event.MouseListener;
 import java.awt.event.MouseAdapter;
-import java.awt.event.MouseMotionListener;
-import java.awt.event.MouseMotionAdapter;
 
 public class SwingPaintDemo3 {
 

DemoProjects/src/painting/SwingPaintDemo/SwingPaintDemo4.java

@@ -1,4 +1,4 @@
-package painting;
+package painting.SwingPaintDemo;
 
 import javax.swing.SwingUtilities;
 import javax.swing.JFrame;

DemoProjects/src/painting/donut/Board.java

@@ -0,0 +1,50 @@
+package painting.donut;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Ellipse2D;
+import javax.swing.JPanel;
+
+public class Board extends JPanel {
+
+    @Override
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+        drawDonut(g);
+    }
+
+    private void drawDonut(Graphics g) {
+
+        Graphics2D g2d = (Graphics2D) g;
+
+        RenderingHints rh
+                = new RenderingHints(RenderingHints.KEY_ANTIALIASING,
+                RenderingHints.VALUE_ANTIALIAS_ON);
+
+        rh.put(RenderingHints.KEY_RENDERING,
+                RenderingHints.VALUE_RENDER_QUALITY);
+
+        g2d.setRenderingHints(rh);
+
+        Dimension size = getSize();
+        double w = size.getWidth();
+        double h = size.getHeight();
+
+        Ellipse2D e = new Ellipse2D.Double(0, 0, 80, 130);
+        g2d.setStroke(new BasicStroke(1));
+        g2d.setColor(Color.gray);
+
+        for (double deg = 0; deg < 360; deg += 10) {
+            AffineTransform at
+                    = AffineTransform.getTranslateInstance(w/2, h/2);
+            at.rotate(Math.toRadians(deg));
+            g2d.draw(at.createTransformedShape(e));
+        }
+    }
+}

DemoProjects/src/painting/donut/Donut.java

@@ -0,0 +1,31 @@
+package painting.donut;
+
+import java.awt.EventQueue;
+import javax.swing.JFrame;
+
+public class Donut extends JFrame {
+
+    public Donut() {
+
+        initUI();
+    }
+
+    private void initUI() {
+
+        add(new Board());
+
+        setSize(330, 330);
+
+        setTitle("Donut");
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setLocationRelativeTo(null);
+    }
+
+    public static void main(String[] args) {
+
+        EventQueue.invokeLater(() -> {
+            Donut ex = new Donut();
+            ex.setVisible(true);
+        });
+    }
+}

DemoProjects/src/painting/image/Board.java

@@ -0,0 +1,38 @@
+package painting.image;
+
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Image;
+import javax.swing.ImageIcon;
+import javax.swing.JPanel;
+
+public class Board extends JPanel {
+
+    private Image bardejov;
+
+    public Board() {
+
+        initBoard();
+    }
+
+    private void initBoard() {
+
+        loadImage();
+
+        int w = bardejov.getWidth(this);
+        int h =  bardejov.getHeight(this);
+        setPreferredSize(new Dimension(w, h));
+    }
+
+    private void loadImage() {
+
+        ImageIcon ii = new ImageIcon("/home/bitecoding/Pictures/1182657.jpg");
+        bardejov = ii.getImage();
+    }
+
+    @Override
+    public void paintComponent(Graphics g) {
+
+        g.drawImage(bardejov, 0, 0, null);
+    }
+}

DemoProjects/src/painting/image/Image.java

@@ -0,0 +1,27 @@
+package painting.image;
+
+import java.awt.EventQueue;
+import javax.swing.JFrame;
+
+public class Image extends JFrame {
+
+    public Image() {
+        initUI();
+    }
+
+    private void initUI() {
+        add(new Board());
+        pack();
+        setTitle("Bardejov");
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setLocationRelativeTo(null);
+    }
+
+    public static void main(String[] args) {
+
+        EventQueue.invokeLater(() -> {
+            Image ex = new Image();
+            ex.setVisible(true);
+        });
+    }
+}

DemoProjects/src/sprites/shootingMissles/Board.java

@@ -0,0 +1,109 @@
+package sprites.shootingMissles;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Toolkit;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.util.List;
+import javax.swing.JPanel;
+import javax.swing.Timer;
+
+public class Board extends JPanel implements ActionListener {
+
+    private final int ICRAFT_X = 40;
+    private final int ICRAFT_Y = 60;
+    private final int DELAY = 10;
+    private Timer timer;
+    private SpaceShip spaceShip;
+
+    public Board() {
+
+        initBoard();
+    }
+
+    private void initBoard() {
+
+        addKeyListener(new TAdapter());
+        setBackground(Color.BLACK);
+        setFocusable(true);
+
+        spaceShip = new SpaceShip(ICRAFT_X, ICRAFT_Y);
+
+        timer = new Timer(DELAY, this);
+        timer.start();
+    }
+
+    @Override
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+        doDrawing(g);
+
+        Toolkit.getDefaultToolkit().sync();
+    }
+
+    private void doDrawing(Graphics g) {
+
+        Graphics2D g2d = (Graphics2D) g;
+
+        g2d.drawImage(spaceShip.getImage(), spaceShip.getX(),
+                spaceShip.getY(), this);
+
+        List<Missile> missiles = spaceShip.getMissiles();
+
+        for (Missile missile : missiles) {
+
+            g2d.drawImage(missile.getImage(), missile.getX(),
+                    missile.getY(), this);
+        }
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+
+        updateMissiles();
+        updateSpaceShip();
+
+        repaint();
+    }
+
+    private void updateMissiles() {
+
+        List<Missile> missiles = spaceShip.getMissiles();
+
+        for (int i = 0; i < missiles.size(); i++) {
+
+            Missile missile = missiles.get(i);
+
+            if (missile.isVisible()) {
+
+                missile.move();
+            } else {
+
+                missiles.remove(i);
+            }
+        }
+    }
+
+    private void updateSpaceShip() {
+
+        spaceShip.move();
+    }
+
+    private class TAdapter extends KeyAdapter {
+
+        @Override
+        public void keyReleased(KeyEvent e) {
+            spaceShip.keyReleased(e);
+        }
+
+        @Override
+        public void keyPressed(KeyEvent e) {
+            spaceShip.keyPressed(e);
+        }
+    }
+}

DemoProjects/src/sprites/shootingMissles/Executor.java

@@ -0,0 +1,32 @@
+package sprites.shootingMissles;
+
+import java.awt.EventQueue;
+import javax.swing.JFrame;
+
+public class Executor extends JFrame {
+
+    public Executor() {
+
+        initUI();
+    }
+
+    private void initUI() {
+
+        add(new Board());
+
+        setSize(400, 300);
+        setResizable(false);
+
+        setTitle("Shooting missiles");
+        setLocationRelativeTo(null);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    }
+
+    public static void main(String[] args) {
+
+        EventQueue.invokeLater(() -> {
+            Executor ex = new Executor();
+            ex.setVisible(true);
+        });
+    }
+}

DemoProjects/src/sprites/shootingMissles/Missile.java

@@ -0,0 +1,27 @@
+package sprites.shootingMissles;
+
+public class Missile extends Sprite {
+
+    private final int BOARD_WIDTH = 390;
+    private final int MISSILE_SPEED = 2;
+
+    public Missile(int x, int y) {
+        super(x, y);
+
+        initMissile();
+    }
+
+    private void initMissile() {
+        loadImage("/home/bitecoding/Pictures/laser.png",35,35);
+        getImageDimensions();
+    }
+
+    public void move() {
+
+        y -= MISSILE_SPEED;
+
+        if (y < 0) {
+            visible = false;
+        }
+    }
+}

DemoProjects/src/sprites/shootingMissles/SpaceShip.java

@@ -0,0 +1,85 @@
+package sprites.shootingMissles;
+
+import java.awt.event.KeyEvent;
+import java.util.ArrayList;
+import java.util.List;
+
+public class SpaceShip extends Sprite {
+
+    private int dx;
+    private int dy;
+    private List<Missile> missiles;
+
+    public SpaceShip(int x, int y) {
+        super(x, y);
+
+        initSpaceShip();
+    }
+
+    private void initSpaceShip() {
+
+        missiles = new ArrayList<>();
+
+        loadImage("/home/bitecoding/Pictures/spaceship.png",50,50);
+        getImageDimensions();
+    }
+
+    public void move() {
+        x += dx;
+        y += dy;
+    }
+
+    public List<Missile> getMissiles() {
+        return missiles;
+    }
+
+    public void keyPressed(KeyEvent e) {
+
+        int key = e.getKeyCode();
+
+        if (key == KeyEvent.VK_SPACE) {
+            fire();
+        }
+
+        if (key == KeyEvent.VK_LEFT) {
+            dx = -1;
+        }
+
+        if (key == KeyEvent.VK_RIGHT) {
+            dx = 1;
+        }
+
+        if (key == KeyEvent.VK_UP) {
+            dy = -1;
+        }
+
+        if (key == KeyEvent.VK_DOWN) {
+            dy = 1;
+        }
+    }
+
+    public void fire() {
+        missiles.add(new Missile(x + width, y + height / 2));
+    }
+
+    public void keyReleased(KeyEvent e) {
+
+        int key = e.getKeyCode();
+
+        if (key == KeyEvent.VK_LEFT) {
+            dx = 0;
+        }
+
+        if (key == KeyEvent.VK_RIGHT) {
+            dx = 0;
+        }
+
+        if (key == KeyEvent.VK_UP) {
+            dy = 0;
+        }
+
+        if (key == KeyEvent.VK_DOWN) {
+            dy = 0;
+        }
+    }
+}

DemoProjects/src/sprites/shootingMissles/Sprite.java

@@ -0,0 +1,52 @@
+package sprites.shootingMissles;
+
+import java.awt.*;
+import javax.swing.ImageIcon;
+
+public class Sprite {
+
+    protected int x;
+    protected int y;
+    protected int width;
+    protected int height;
+    protected boolean visible;
+    protected Image image;
+
+    public Sprite(int x, int y) {
+
+        this.x = x;
+        this.y = y;
+        visible = true;
+    }
+
+    protected void loadImage(String imageName, int width, int height) {
+
+        ImageIcon ii = new ImageIcon(imageName);
+        image = ii.getImage().getScaledInstance(width, height, Image.SCALE_DEFAULT);
+    }
+
+    protected void getImageDimensions() {
+        width = image.getWidth(null);
+        height = image.getHeight(null);
+    }
+
+    public Image getImage() {
+        return image;
+    }
+
+    public int getX() {
+        return x;
+    }
+
+    public int getY() {
+        return y;
+    }
+
+    public boolean isVisible() {
+        return visible;
+    }
+
+    public void setVisible(Boolean visible) {
+        this.visible = visible;
+    }
+}

DemoProjects/src/sprites/spaceship/Board.java

@@ -0,0 +1,79 @@
+package sprites.spaceship;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Toolkit;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import javax.swing.JPanel;
+import javax.swing.Timer;
+
+public class Board extends JPanel implements ActionListener {
+
+    private Timer timer;
+    private SpaceShip spaceShip;
+    private final int DELAY = 10;
+
+    public Board() {
+
+        initBoard();
+    }
+
+    private void initBoard() {
+
+        addKeyListener(new TAdapter());
+        setBackground(Color.black);
+        setFocusable(true);
+
+        spaceShip = new SpaceShip();
+
+        timer = new Timer(DELAY, this);
+        timer.start();
+    }
+
+    @Override
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+        doDrawing(g);
+
+        Toolkit.getDefaultToolkit().sync();
+    }
+
+    private void doDrawing(Graphics g) {
+
+        Graphics2D g2d = (Graphics2D) g;
+
+        g2d.drawImage(spaceShip.getImage(), spaceShip.getX(),
+                spaceShip.getY(), this);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+
+        step();
+    }
+
+    private void step() {
+
+        spaceShip.move();
+
+        repaint();
+    }
+
+    private class TAdapter extends KeyAdapter {
+
+        @Override
+        public void keyReleased(KeyEvent e) {
+            spaceShip.keyReleased(e);
+        }
+
+        @Override
+        public void keyPressed(KeyEvent e) {
+            spaceShip.keyPressed(e);
+        }
+    }
+}

DemoProjects/src/sprites/spaceship/MovingSprite.java

@@ -0,0 +1,32 @@
+package sprites.spaceship;
+
+import java.awt.EventQueue;
+import javax.swing.JFrame;
+
+public class MovingSprite extends JFrame {
+
+    public MovingSprite() {
+
+        initUI();
+    }
+
+    private void initUI() {
+
+        add(new Board());
+
+        setTitle("Moving sprite");
+        setSize(400, 300);
+
+        setLocationRelativeTo(null);
+        setResizable(false);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    }
+
+    public static void main(String[] args) {
+
+        EventQueue.invokeLater(() -> {
+            MovingSprite ex = new MovingSprite();
+            ex.setVisible(true);
+        });
+    }
+}

DemoProjects/src/sprites/spaceship/SpaceShip.java

@@ -0,0 +1,105 @@
+package sprites.spaceship;
+
+import java.awt.Image;
+import java.awt.event.KeyEvent;
+import javax.swing.ImageIcon;
+
+public class SpaceShip {
+
+    private int dx;
+    private int dy;
+    private int x = 40;
+    private int y = 60;
+    private int w;
+    private int h;
+    private Image image;
+
+    public SpaceShip() {
+
+        loadImage();
+    }
+
+    private void loadImage() {
+
+        ImageIcon ii = new ImageIcon("/home/bitecoding/Pictures/spaceship.png");
+        image = ii.getImage().getScaledInstance(50,50,1);
+
+        w = image.getWidth(null);
+        h = image.getHeight(null);
+    }
+
+    public void move() {
+
+        x += dx;
+        y += dy;
+    }
+
+    public int getX() {
+
+        return x;
+    }
+
+    public int getY() {
+
+        return y;
+    }
+
+    public int getWidth() {
+
+        return w;
+    }
+
+    public int getHeight() {
+
+        return h;
+    }
+
+    public Image getImage() {
+
+        return image;
+    }
+
+    public void keyPressed(KeyEvent e) {
+
+        int key = e.getKeyCode();
+
+        switch(key){
+            case KeyEvent.VK_A:
+                dx = -2;
+                break;
+            case KeyEvent.VK_D:
+                dx = 2;
+                break;
+            case KeyEvent.VK_W:
+                dy = -2;
+                break;
+            case KeyEvent.VK_S:
+                dy = 2;
+                break;
+            default:
+                break;
+        }
+    }
+
+    public void keyReleased(KeyEvent e) {
+
+        int key = e.getKeyCode();
+
+        switch(key){
+            case KeyEvent.VK_A:
+                dx = 0;
+                break;
+            case KeyEvent.VK_D:
+                dx = 0;
+                break;
+            case KeyEvent.VK_W:
+                dy = 0;
+                break;
+            case KeyEvent.VK_S:
+                dy = 0;
+                break;
+            default:
+                break;
+        }
+    }
+}

Doodles/src/Template.java

@@ -0,0 +1,23 @@
+import java.util.Arrays;
+
+public class Template {
+
+    /*
+        1  2  3  4  5
+        12 13 14 15 6
+        11 10 9  8  7
+
+     */
+
+    public static void main(String[] args) {
+        int num = 1000;
+        for (int j = 0; j < 50; j++) {
+            for (int i = 0; i < 59; i++) {
+                System.out.print(num+" ");
+                num++;
+            }
+            System.out.println();
+        }
+    }
+
+}

TicTacToe - MinMax/TicTacToe - MinMax.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

TicTacToe_MinMax/src/Game.java

@@ -1,41 +0,0 @@
-import javax.swing.*;
-
-public class Game {
-
-    public void place(int player, int position, int[] playfield){
-        if (playfield[position] == -1){
-            playfield[position] = player;
-        } else {
-            JOptionPane.showConfirmDialog(null,"Tile is already taken");
-        }
-    }
-
-    private boolean checkWin(int[] playfield){
-        for (int i = 0; i < 3; i++){
-            if ((playfield[i] == playfield[i+3]) && (playfield[i] == playfield[i+6])){
-                System.out.println("vertical");
-                return true;
-            } else if ((playfield[i*3] == playfield[i*3+1]) && (playfield[i*3] == playfield[i*3+2])){
-                System.out.println("horizontal");
-                return true;
-            }
-        }
-        return (playfield[2] == playfield[4]) && (playfield[2] == playfield[6]) || (playfield[0] == playfield[4]) && (playfield[0] == playfield[8]);
-    }
-
-
-    public static void main(String[] args) {
-        Game game = new Game();
-        Render render = new Render();
-
-        int[] playfield = {1,0,-1,1,1,0,-1,0,1};
-
-        SwingUtilities.invokeLater(new Runnable() {
-            public void run() {
-                render.createUI(playfield);
-            }
-        });
-
-        System.out.println(game.checkWin(playfield));
-    }
-}

TicTacToe_MinMax/src/Player.java

@@ -1,4 +0,0 @@
-package PACKAGE_NAME;
-
-public class Player {
-}

TicTacToe_MinMax/src/Render.java

@@ -1,134 +0,0 @@
-import javax.swing.*;
-import java.awt.*;
-
-public class Render {
-
-    public static void createUI(int[] playfield){
-        JFrame f = new JFrame("Swing Paint Demo");
-        MyPanel myPanel = new MyPanel(playfield);
-        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        f.add(myPanel);
-        f.pack();
-        f.setLocationRelativeTo(null);
-        f.setVisible(true);
-    }
-
-}
-
-class MyPanel extends JPanel {
-    Grid grid;
-    GameCharacters gameCharacters;
-
-    public MyPanel() {
-        setBorder(BorderFactory.createLineBorder(Color.BLACK));
-        grid = new Grid();
-    }
-
-    public MyPanel(int[] playfield){
-        setBorder(BorderFactory.createLineBorder(Color.BLACK));
-        grid = new Grid();
-        gameCharacters = new GameCharacters(playfield);
-    }
-
-    public Dimension getPreferredSize() {
-        return new Dimension(900,900);
-    }
-
-    public void paintComponent(Graphics g) {
-        super.paintComponent(g);
-        grid.paintGrid(g);
-        gameCharacters.paintGameCharacters(g);
-    }
-}
-
-class Grid{
-    private final int TILE_X = 300;
-    private final int TILE_Y = 300;
-
-    public void paintGrid(Graphics g){
-        g.setColor(Color.BLACK);
-        //horizontal
-        for (int i = 1; i < 3; i++) {
-            Graphics2D g2d = (Graphics2D)g;
-            g2d.setStroke(new BasicStroke(5));
-            g2d.drawLine(0, TILE_Y*i, TILE_X*3, TILE_Y*i);
-        }
-        //vertical
-        for (int i = 1; i < 3; i++){
-            Graphics2D g2d = (Graphics2D)g;
-            g2d.setStroke(new BasicStroke(5));
-            g2d.drawLine(TILE_X*i, 0, TILE_X*i, TILE_Y*3);
-        }
-    }
-}
-
-class GameCharacters {
-    CharacterX characterX = new CharacterX();
-    CharacterO characterO = new CharacterO();
-
-    private final int TILE_X = 300;
-    private final int TILE_Y = 300;
-
-    int[] playfield;
-
-    public GameCharacters(int[] playfield) {
-        this.playfield = playfield;
-    }
-
-    public void paintGameCharacters(Graphics g) {
-        int actions = 0;
-        for (int column = 0; column < 3; column++) {
-            for (int row = 0; row < 3; row++) {
-                if (playfield[actions] == 1) {
-                    characterX.setX(TILE_X * row);
-                    characterX.setY(TILE_Y * column);
-                    characterX.paintX(g);
-                } else if (playfield[actions] == -1) {
-                    characterO.setX(TILE_X * row);
-                    characterO.setY(TILE_Y * column);
-                    characterO.paintO(g);
-                }
-                actions++;
-            }
-        }
-    }
-
-    class CharacterX {
-        private int x;
-        private int y;
-
-        public void paintX(Graphics g) {
-            Graphics2D g2d = (Graphics2D)g;
-            g2d.setStroke(new BasicStroke(10));
-            g2d.drawLine(x+25, y+25, x+275, y+275);
-            g2d.drawLine(x+25, y +275, x+275, y+25);
-        }
-
-        public void setX(int x) {
-            this.x = x;
-        }
-
-        public void setY(int y) {
-            this.y = y;
-        }
-    }
-
-    class CharacterO {
-        private int x;
-        private int y;
-
-        public void paintO(Graphics g) {
-            Graphics2D g2d = (Graphics2D)g;
-            g2d.setStroke(new BasicStroke(10));
-            g2d.drawOval(x + 25, y + 25, 250, 250);
-        }
-
-        public void setX(int x) {
-            this.x = x;
-        }
-
-        public void setY(int y) {
-            this.y = y;
-        }
-    }
-}

out/production/ATM-Machine/ATM-Machine.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

out/production/ATM-Machine/src/META-INF/MANIFEST.MF

@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Main-Class: Operator
+