Game Pong

Game pong

Nama : Yasinta Yusniawati

NRP : 05111740000054

Kelas : PBO - B

Tugas kali ini adalah membuat 'Game Pong' menggunakan BlueJ. Class yang dibutuhkan untuk membuat game tersebuat ada pada gambar di bawah ini :

Source codenya :

1. Ball

/**  
  * Class Ball  
  *  
  * Yasinta Yusniawati
  * 3-12-12018
  */  
 import java.awt.Color;  
 import java.awt.Graphics;  
 import java.util.Random;  
 public class Ball  
 {  
      public int x, y, width = 25, height = 25;  
      public int motionX, motionY;  
      public Random random;  
      private Pong pong;  
      public int amountOfHits;  
      public Ball(Pong pong)  
      {  
           this.pong = pong;  
           this.random = new Random();  
           spawn();  
      }  
      public void update(Paddle paddle1, Paddle paddle2)  
      {  
           int speed = 5;  
           this.x += motionX * speed;  
           this.y += motionY * speed;  
           if (this.y + height - motionY > pong.height || this.y + motionY < 0)  
           {  
                if (this.motionY < 0)  
                {  
                     this.y = 0;  
                     this.motionY = random.nextInt(4);  
                     if (motionY == 0)  
                     {  
                          motionY = 1;  
                     }  
                }  
                else  
                {  
                     this.motionY = -random.nextInt(4);  
                     this.y = pong.height - height;  
                     if (motionY == 0)  
                     {  
                          motionY = -1;  
                     }  
                }  
           }  
           if (checkCollision(paddle1) == 1)  
           {  
                this.motionX = 1 + (amountOfHits / 5);  
                this.motionY = -2 + random.nextInt(4);  
                if (motionY == 0)  
                {  
                     motionY = 1;  
                }  
                amountOfHits++;  
           }  
           else if (checkCollision(paddle2) == 1)  
           {  
                this.motionX = -1 - (amountOfHits / 5);  
                this.motionY = -2 + random.nextInt(4);  
                if (motionY == 0)  
                {  
                     motionY = 1;  
                }  
                amountOfHits++;  
           }  
           if (checkCollision(paddle1) == 2)  
           {  
                paddle2.score++;  
                spawn();  
           }  
           else if (checkCollision(paddle2) == 2)  
           {  
                paddle1.score++;  
                spawn();  
           }  
      }  
      public void spawn()  
      {  
           this.amountOfHits = 0;  
           this.x = pong.width / 2 - this.width / 2;  
           this.y = pong.height / 2 - this.height / 2;  
           this.motionY = -2 + random.nextInt(4);  
           if (motionY == 0)  
           {  
                motionY = 1;  
           }  
           if (random.nextBoolean())  
           {  
                motionX = 1;  
           }  
           else  
           {  
                motionX = -1;  
           }  
      }  
      public int checkCollision(Paddle paddle)  
      {  
           if (this.x < paddle.x + paddle.width && this.x + width > paddle.x && this.y < paddle.y + paddle.height && this.y + height > paddle.y)  
           {  
                return 1; //bounce  
           }  
           else if ((paddle.x > x && paddle.paddleNumber == 1) || (paddle.x < x - width && paddle.paddleNumber == 2))  
           {  
                return 2; //score  
           }  
           return 0; //nothing  
      }  
      public void render(Graphics g)  
      {  
           g.setColor(Color.WHITE);  
           g.fillOval(x, y, width, height);  
      }  
 }

2. Paddle

/**  
  * Class Paddle  
  *  
  * Yasinta Yusniawati
  * 3-12-12018  
  */  
 import java.awt.Color;  
 import java.awt.Graphics;  
 public class Paddle  
 {  
      public int paddleNumber;  
      public int x, y, width = 50, height = 250;  
      public int score;  
      public Paddle(Pong pong, int paddleNumber)  
      {  
           this.paddleNumber = paddleNumber;  
           if (paddleNumber == 1)  
           {  
                this.x = 0;  
           }  
           if (paddleNumber == 2)  
           {  
                this.x = pong.width - width;  
           }  
           this.y = pong.height / 2 - this.height / 2;  
      }  
      public void render(Graphics g)  
      {  
           g.setColor(Color.WHITE);  
           g.fillRect(x, y, width, height);  
      }  
      public void move(boolean up)  
      {  
           int speed = 15;  
           if (up)  
           {  
                if (y - speed > 0)  
                {  
                     y -= speed;  
                }  
                else  
                {  
                     y = 0;  
                }  
           }  
           else  
           {  
                if (y + height + speed < Pong.pong.height)  
                {  
                     y += speed;  
                }  
                else  
                {  
                     y = Pong.pong.height - height;  
                }  
           }  
      }  
 }

3. Pong

/**  
  * Class Pong  
  *  
  * Yasinta Yusniawati
  * 3-12-12018 
  * 
  */  
 import java.awt.BasicStroke;  
 import java.awt.Color;  
 import java.awt.Font;  
 import java.awt.Graphics2D;  
 import java.awt.RenderingHints;  
 import java.awt.event.ActionEvent;  
 import java.awt.event.ActionListener;  
 import java.awt.event.KeyEvent;  
 import java.awt.event.KeyListener;  
 import java.util.Random;  
 import javax.swing.JFrame;  
 import javax.swing.Timer;  
 public class Pong implements ActionListener, KeyListener  
 {  
      public static Pong pong;  
      public int width = 700, height = 700;  
      public Renderer renderer;  
      public Paddle player1;  
      public Paddle player2;  
      public Ball ball;  
      public boolean bot = false, selectingDifficulty;  
      public boolean w, s, up, down;  
      public int gameStatus = 0, scoreLimit = 7, playerWon; //0 = Menu, 1 = Paused, 2 = Playing, 3 = Over  
      public int botDifficulty, botMoves, botCooldown = 0;  
      public Random random;  
      public JFrame jframe;  
      public Pong()  
      {  
           Timer timer = new Timer(20, this);  
           random = new Random();  
           jframe = new JFrame("Pong");  
           renderer = new Renderer();  
           jframe.setSize(width + 15, height + 35);  
           jframe.setVisible(true);  
           jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
           jframe.add(renderer);  
           jframe.addKeyListener(this);  
           timer.start();  
      }  
      public void start()  
      {  
           gameStatus = 2;  
           player1 = new Paddle(this, 1);  
           player2 = new Paddle(this, 2);  
           ball = new Ball(this);  
      }  
      public void update()  
      {  
           if (player1.score >= scoreLimit)  
           {  
                playerWon = 1;  
                gameStatus = 3;  
           }  
           if (player2.score >= scoreLimit)  
           {  
                gameStatus = 3;  
                playerWon = 2;  
           }  
           if (w)  
           {  
                player1.move(true);  
           }  
           if (s)  
           {  
                player1.move(false);  
           }  
           if (!bot)  
           {  
                if (up)  
                {  
                     player2.move(true);  
                }  
                if (down)  
                {  
                     player2.move(false);  
                }  
           }  
           else  
           {  
                if (botCooldown > 0)  
                {  
                     botCooldown--;  
                     if (botCooldown == 0)  
                     {  
                          botMoves = 0;  
                     }  
                }  
                if (botMoves < 10)  
                {  
                     if (player2.y + player2.height / 2 < ball.y)  
                     {  
                          player2.move(false);  
                          botMoves++;  
                     }  
                     if (player2.y + player2.height / 2 > ball.y)  
                     {  
                          player2.move(true);  
                          botMoves++;  
                     }  
                     if (botDifficulty == 0)  
                     {  
                          botCooldown = 20;  
                     }  
                     if (botDifficulty == 1)  
                     {  
                          botCooldown = 15;  
                     }  
                     if (botDifficulty == 2)  
                     {  
                          botCooldown = 10;  
                     }  
                }  
           }  
           ball.update(player1, player2);  
      }  
      public void render(Graphics2D g)  
      {  
           g.setColor(Color.BLACK);  
           g.fillRect(0, 0, width, height);  
           g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);  
           if (gameStatus == 0)  
           {  
                g.setColor(Color.WHITE);  
                g.setFont(new Font("Arial", 1, 50));  
                g.drawString("PONG", width / 2 - 75, 50);  
                if (!selectingDifficulty)  
                {  
                     g.setFont(new Font("Arial", 1, 30));  
                     g.drawString("Press Space to Play", width / 2 - 150, height / 2 - 25);  
                     g.drawString("Press Shift to Play with Bot", width / 2 - 200, height / 2 + 25);  
                     g.drawString("<< Score Limit: " + scoreLimit + " >>", width / 2 - 150, height / 2 + 75);  
                }  
           }  
           if (selectingDifficulty)  
           {  
                String string = botDifficulty == 0 ? "Easy" : (botDifficulty == 1 ? "Medium" : "Hard");  
                g.setFont(new Font("Arial", 1, 30));  
                g.drawString("<< Bot Difficulty: " + string + " >>", width / 2 - 180, height / 2 - 25);  
                g.drawString("Press Space to Play", width / 2 - 150, height / 2 + 25);  
           }  
           if (gameStatus == 1)  
           {  
                g.setColor(Color.WHITE);  
                g.setFont(new Font("Arial", 1, 50));  
                g.drawString("PAUSED", width / 2 - 103, height / 2 - 25);  
           }  
           if (gameStatus == 1 || gameStatus == 2)  
           {  
                g.setColor(Color.WHITE);  
                g.setStroke(new BasicStroke(5f));  
                g.drawLine(width / 2, 0, width / 2, height);  
                g.setStroke(new BasicStroke(2f));  
                g.drawOval(width / 2 - 150, height / 2 - 150, 300, 300);  
                g.setFont(new Font("Arial", 1, 50));  
                g.drawString(String.valueOf(player1.score), width / 2 - 90, 50);  
                g.drawString(String.valueOf(player2.score), width / 2 + 65, 50);  
                player1.render(g);  
                player2.render(g);  
                ball.render(g);  
           }  
           if (gameStatus == 3)  
           {  
                g.setColor(Color.WHITE);  
                g.setFont(new Font("Arial", 1, 50));  
                g.drawString("PONG", width / 2 - 75, 50);  
                if (bot && playerWon == 2)  
                {  
                     g.drawString("The Bot Wins!", width / 2 - 170, 200);  
                }  
                else  
                {  
                     g.drawString("Player " + playerWon + " Wins!", width / 2 - 165, 200);  
                }  
                g.setFont(new Font("Arial", 1, 30));  
                g.drawString("Press Space to Play Again", width / 2 - 185, height / 2 - 25);  
                g.drawString("Press ESC for Menu", width / 2 - 140, height / 2 + 25);  
           }  
      }  
      @Override  
      public void actionPerformed(ActionEvent e)  
      {  
           if (gameStatus == 2)  
           {  
                update();  
           }  
           renderer.repaint();  
      }  
      public static void main(String[] args)  
      {  
           pong = new Pong();  
      }  
      @Override  
      public void keyPressed(KeyEvent e)  
      {  
           int id = e.getKeyCode();  
           if (id == KeyEvent.VK_W)  
           {  
                w = true;  
           }  
           else if (id == KeyEvent.VK_S)  
           {  
                s = true;  
           }  
           else if (id == KeyEvent.VK_UP)  
           {  
                up = true;  
           }  
           else if (id == KeyEvent.VK_DOWN)  
           {  
                down = true;  
           }  
           else if (id == KeyEvent.VK_RIGHT)  
           {  
                if (selectingDifficulty)  
                {  
                     if (botDifficulty < 2)  
                     {  
                          botDifficulty++;  
                     }  
                     else  
                     {  
                          botDifficulty = 0;  
                     }  
                }  
                else if (gameStatus == 0)  
                {  
                     scoreLimit++;  
                }  
           }  
           else if (id == KeyEvent.VK_LEFT)  
           {  
                if (selectingDifficulty)  
                {  
                     if (botDifficulty > 0)  
                     {  
                          botDifficulty--;  
                     }  
                     else  
                     {  
                          botDifficulty = 2;  
                     }  
                }  
                else if (gameStatus == 0 && scoreLimit > 1)  
                {  
                     scoreLimit--;  
                }  
           }  
           else if (id == KeyEvent.VK_ESCAPE && (gameStatus == 2 || gameStatus == 3))  
           {  
                gameStatus = 0;  
           }  
           else if (id == KeyEvent.VK_SHIFT && gameStatus == 0)  
           {  
                bot = true;  
                selectingDifficulty = true;  
           }  
           else if (id == KeyEvent.VK_SPACE)  
           {  
                if (gameStatus == 0 || gameStatus == 3)  
                {  
                     if (!selectingDifficulty)  
                     {  
                          bot = false;  
                     }  
                     else  
                     {  
                          selectingDifficulty = false;  
                     }  
                     start();  
                }  
                else if (gameStatus == 1)  
                {  
                     gameStatus = 2;  
                }  
                else if (gameStatus == 2)  
                {  
                     gameStatus = 1;  
                }  
           }  
      }  
      @Override  
      public void keyReleased(KeyEvent e)  
      {  
           int id = e.getKeyCode();  
           if (id == KeyEvent.VK_W)  
           {  
                w = false;  
           }  
           else if (id == KeyEvent.VK_S)  
           {  
                s = false;  
           }  
           else if (id == KeyEvent.VK_UP)  
           {  
                up = false;  
           }  
           else if (id == KeyEvent.VK_DOWN)  
           {  
                down = false;  
           }  
      }  
      @Override  
      public void keyTyped(KeyEvent e)  
      {  
      }  
 }

4. Renderer

 /**  
  * Class Renderer  
  *  
  * Yasinta Yusniawati
  * 3-12-12018 
  * 
  */  
 import java.awt.Graphics;  
 import java.awt.Graphics2D;  
 import javax.swing.JPanel;  
 public class Renderer extends JPanel  
 {  
      private static final long serialVersionUID = 1L;  
      @Override  
      protected void paintComponent(Graphics g)  
      {  
           super.paintComponent(g);  
           Pong.pong.render((Graphics2D) g);  
      }  
 }