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;
/**
* @author Ghifari Astaudi Ukumullah
* @ 21 Desember 2020
*/
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)
{
}
}