Tugas 7 : Membuat Game Pong
Pada pertemuan kali ini saya dan teman-teman diberikan penugasan oleh pak Fajar Baskoro untuk mengimplementasikan pembuatan game yang berupa game pong.java, dimana game ini merupakan permainan video generasi pertama yang dirilis sebagai permainan arcade yang dioperasikan dengan koin yang dikembangkan oleh Atari Inc. Dalam pembuatan game ini, kita membuat package bernama pong, dimana dalam package tersebut terdapat 4 class yaitu :
- Class Pong : Class utama untuk game pong
- Class Paddle : Class untuk objek paddle yang memiliki fungsi diantaranya fungsi untuk merubah warna, ukuran dan lain-lain pada paddle
- Class Ball : Class untuk mengatur ukuran, bentuk, warna bola
- Class Renderer : Class untuk membuat tampilan dasar grafik pada game pong
Berikut adalah implementasi dari class-class yang telah dibuat :
Dan ini adalah dokumentasi program saat dijalankan
Terdapat pilihan bot-difficult nya dan maksimum score agar game tersebut dapat dimenangkan, untuk pilihan bot-difficult nya tinggal pencet shift kemudian terdapat 3 opsi : 1. Easy 2. Medium 3. Hard
Gambar Diatas ketika sedang dalam permainan
Untuk sourcecode class Pong.java :
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- /**
- * Source code untuk class Pong.
- *
- * @author Pais
- * @version 16 Desember 2020
- */
- package pong;
- 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.BLUE);
- 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)
- {
- }
- }
Untuk sourcecode class Paddle.java :
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- /**
- * Source code untuk class Paddle.
- *
- * @author Pais
- * @version 16 Desember 2020
- */
- package pong;
- 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;
- }
- }
- }
- }
Untuk sourcecode class Ball.java :
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- /**
- * Source code untuk class Ball.
- *
- * @author Pais
- * @version 16 Desember 2020
- */
- package pong;
- 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);
- }
- }
Untuk sourcecode class Renderer.java :
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- /**
- * Source code untuk class Renderer.
- *
- * @author Pais
- * @version 16 Desember 2020
- */
- package pong;
- import java.awt.Graphics; j
- 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);
- }
- }
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