Snake/Java: Difference between revisions
< Snake
Content added Content deleted
(Replaced content with "package zug; import javax.swing.*; import java.awt.*; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.ArrayList; import java.util.LinkedList; import java.util.List; import java.util.Random; import static java.lang.String.format; }") Tag: Replaced |
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An good Snake Game by IZzSaken |
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package zug; |
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edited on 21th May 2023 |
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import javax.swing.*; |
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import java.awt.*; |
import java.awt.*; |
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import java.awt.event. |
import java.awt.event.*; |
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import |
import javax.swing.*; |
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import java.awt.event.MouseAdapter; |
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public class SnakeGame extends JPanel implements ActionListener { |
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import java.awt.event.MouseEvent; |
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private static final int WIDTH = 300; |
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import java.util.ArrayList; |
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private static final int HEIGHT = 300; |
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import java.util.LinkedList; |
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private static final int UNIT_SIZE = 10; |
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import java.util.List; |
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private static final int GAME_UNITS = (WIDTH * HEIGHT) / (UNIT_SIZE * UNIT_SIZE); |
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import java.util.Random; |
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private static final int DELAY = 75; |
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private final int[] x = new int[GAME_UNITS]; |
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private final int[] y = new int[GAME_UNITS]; |
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private int bodyParts = 6; |
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private int applesEaten; |
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private int appleX; |
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private int appleY; |
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private char direction = 'R'; |
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private boolean running = false; |
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private Timer timer; |
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public SnakeGame() { |
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setPreferredSize(new Dimension(WIDTH, HEIGHT)); |
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setBackground(Color.BLACK); |
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setFocusable(true); |
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addKeyListener(new MyKeyAdapter()); |
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startGame(); |
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} |
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private void startGame() { |
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newApple(); |
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running = true; |
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timer = new Timer(DELAY, this); |
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timer.start(); |
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} |
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@Override |
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public void paintComponent(Graphics g) { |
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super.paintComponent(g); |
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draw(g); |
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} |
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private void draw(Graphics g) { |
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if (running) { |
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g.setColor(Color.RED); |
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g.fillOval(appleX, appleY, UNIT_SIZE, UNIT_SIZE); |
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for (int i = 0; i < bodyParts; i++) { |
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if (i == 0) { |
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g.setColor(Color.GREEN); |
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g.fillRect(x[i], y[i], UNIT_SIZE, UNIT_SIZE); |
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} else { |
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g.setColor(new Color(45, 180, 0)); |
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g.fillRect(x[i], y[i], UNIT_SIZE, UNIT_SIZE); |
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} |
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} |
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g.setColor(Color.WHITE); |
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g.setFont(new Font("Arial", Font.BOLD, 14)); |
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FontMetrics metrics = getFontMetrics(g.getFont()); |
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g.drawString("Score: " + applesEaten, (WIDTH - metrics.stringWidth("Score: " + applesEaten)) / 2, g.getFont().getSize()); |
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} else { |
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gameOver(g); |
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} |
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} |
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private void newApple() { |
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appleX = (int) (Math.random() * (WIDTH / UNIT_SIZE)) * UNIT_SIZE; |
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appleY = (int) (Math.random() * (HEIGHT / UNIT_SIZE)) * UNIT_SIZE; |
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} |
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private void move() { |
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for (int i = bodyParts; i > 0; i--) { |
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x[i] = x[i - 1]; |
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y[i] = y[i - 1]; |
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} |
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switch (direction) { |
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case 'U': |
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y[0] = y[0] - UNIT_SIZE; |
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break; |
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case 'D': |
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y[0] = y[0] + UNIT_SIZE; |
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break; |
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case 'L': |
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x[0] = x[0] - UNIT_SIZE; |
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break; |
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case 'R': |
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x[0] = x[0] + UNIT_SIZE; |
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break; |
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} |
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} |
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private void checkApple() { |
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if ((x[0] == appleX) && (y[0] == appleY)) { |
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bodyParts++; |
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applesEaten++; |
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newApple(); |
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} |
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} |
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private void checkCollisions() { |
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// Check if head collides with body |
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for (int i = bodyParts; i > 0; i--) { |
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if ((x[0] == x[i]) && (y[0] == y[i])) { |
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running = false; |
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} |
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} |
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// Check if head touches left border |
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if (x[0] < 0) { |
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running = false; |
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} |
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// Check if head touches right border |
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if (x[0] >= WIDTH) { |
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running = false; |
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} |
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// Check if head touches top border |
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if (y[0] < 0) { |
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running = false; |
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} |
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// Check if head touches bottom border |
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if (y[0] >= HEIGHT) { |
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running = false; |
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} |
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if (!running) { |
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timer.stop(); |
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} |
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} |
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private void gameOver(Graphics g) { |
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g.setColor(Color.WHITE); |
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g.setFont(new Font("Arial", Font.BOLD, 20)); |
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FontMetrics metrics1 = getFontMetrics(g.getFont()); |
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g.drawString("Game Over", (WIDTH - metrics1.stringWidth("Game Over")) / 2, HEIGHT / 2); |
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g.setColor(Color.WHITE); |
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g.setFont(new Font("Arial", Font.BOLD, 14)); |
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FontMetrics metrics2 = getFontMetrics(g.getFont()); |
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g.drawString("Score: " + applesEaten, (WIDTH - metrics2.stringWidth("Score: " + applesEaten)) / 2, g.getFont().getSize()); |
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} |
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@Override |
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public void actionPerformed(ActionEvent e) { |
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if (running) { |
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move(); |
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checkApple(); |
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checkCollisions(); |
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} |
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repaint(); |
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} |
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private class MyKeyAdapter extends KeyAdapter { |
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import static java.lang.String.format; |
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@Override |
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public void keyPressed(KeyEvent e) { |
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switch (e.getKeyCode()) { |
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case KeyEvent.VK_LEFT: |
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if (direction != 'R') { |
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direction = 'L'; |
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} |
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break; |
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case KeyEvent.VK_RIGHT: |
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if (direction != 'L') { |
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direction = 'R'; |
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} |
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break; |
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case KeyEvent.VK_UP: |
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if (direction != 'D') { |
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direction = 'U'; |
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} |
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break; |
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case KeyEvent.VK_DOWN: |
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if (direction != 'U') { |
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direction = 'D'; |
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} |
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break; |
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} |
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} |
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} |
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public static void main(String[] args) { |
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JFrame frame = new JFrame("Snake Game"); |
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SnakeGame game = new SnakeGame(); |
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frame.add(game); |
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
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frame.setResizable(false); |
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frame.pack(); |
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frame.setLocationRelativeTo(null); |
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frame.setVisible(true); |
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} |
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} |
} |
Latest revision as of 19:50, 21 May 2023
An good Snake Game by IZzSaken
edited on 21th May 2023
import java.awt.*; import java.awt.event.*; import javax.swing.*;
public class SnakeGame extends JPanel implements ActionListener {
private static final int WIDTH = 300; private static final int HEIGHT = 300; private static final int UNIT_SIZE = 10; private static final int GAME_UNITS = (WIDTH * HEIGHT) / (UNIT_SIZE * UNIT_SIZE); private static final int DELAY = 75;
private final int[] x = new int[GAME_UNITS]; private final int[] y = new int[GAME_UNITS]; private int bodyParts = 6; private int applesEaten; private int appleX; private int appleY; private char direction = 'R'; private boolean running = false; private Timer timer;
public SnakeGame() { setPreferredSize(new Dimension(WIDTH, HEIGHT)); setBackground(Color.BLACK); setFocusable(true); addKeyListener(new MyKeyAdapter()); startGame(); }
private void startGame() { newApple(); running = true; timer = new Timer(DELAY, this); timer.start(); }
@Override public void paintComponent(Graphics g) { super.paintComponent(g); draw(g); }
private void draw(Graphics g) { if (running) { g.setColor(Color.RED); g.fillOval(appleX, appleY, UNIT_SIZE, UNIT_SIZE);
for (int i = 0; i < bodyParts; i++) { if (i == 0) { g.setColor(Color.GREEN); g.fillRect(x[i], y[i], UNIT_SIZE, UNIT_SIZE); } else { g.setColor(new Color(45, 180, 0)); g.fillRect(x[i], y[i], UNIT_SIZE, UNIT_SIZE); } }
g.setColor(Color.WHITE); g.setFont(new Font("Arial", Font.BOLD, 14)); FontMetrics metrics = getFontMetrics(g.getFont()); g.drawString("Score: " + applesEaten, (WIDTH - metrics.stringWidth("Score: " + applesEaten)) / 2, g.getFont().getSize()); } else { gameOver(g); } }
private void newApple() { appleX = (int) (Math.random() * (WIDTH / UNIT_SIZE)) * UNIT_SIZE; appleY = (int) (Math.random() * (HEIGHT / UNIT_SIZE)) * UNIT_SIZE; }
private void move() { for (int i = bodyParts; i > 0; i--) { x[i] = x[i - 1]; y[i] = y[i - 1]; }
switch (direction) { case 'U': y[0] = y[0] - UNIT_SIZE; break; case 'D': y[0] = y[0] + UNIT_SIZE; break; case 'L': x[0] = x[0] - UNIT_SIZE; break; case 'R': x[0] = x[0] + UNIT_SIZE; break; } }
private void checkApple() { if ((x[0] == appleX) && (y[0] == appleY)) { bodyParts++; applesEaten++; newApple(); } }
private void checkCollisions() { // Check if head collides with body for (int i = bodyParts; i > 0; i--) { if ((x[0] == x[i]) && (y[0] == y[i])) { running = false; } }
// Check if head touches left border if (x[0] < 0) { running = false; }
// Check if head touches right border if (x[0] >= WIDTH) { running = false; }
// Check if head touches top border if (y[0] < 0) { running = false; }
// Check if head touches bottom border if (y[0] >= HEIGHT) { running = false; }
if (!running) { timer.stop(); } }
private void gameOver(Graphics g) { g.setColor(Color.WHITE); g.setFont(new Font("Arial", Font.BOLD, 20)); FontMetrics metrics1 = getFontMetrics(g.getFont()); g.drawString("Game Over", (WIDTH - metrics1.stringWidth("Game Over")) / 2, HEIGHT / 2);
g.setColor(Color.WHITE); g.setFont(new Font("Arial", Font.BOLD, 14)); FontMetrics metrics2 = getFontMetrics(g.getFont()); g.drawString("Score: " + applesEaten, (WIDTH - metrics2.stringWidth("Score: " + applesEaten)) / 2, g.getFont().getSize()); }
@Override public void actionPerformed(ActionEvent e) { if (running) { move(); checkApple(); checkCollisions(); } repaint(); }
private class MyKeyAdapter extends KeyAdapter { @Override public void keyPressed(KeyEvent e) { switch (e.getKeyCode()) { case KeyEvent.VK_LEFT: if (direction != 'R') { direction = 'L'; } break; case KeyEvent.VK_RIGHT: if (direction != 'L') { direction = 'R'; } break; case KeyEvent.VK_UP: if (direction != 'D') { direction = 'U'; } break; case KeyEvent.VK_DOWN: if (direction != 'U') { direction = 'D'; } break; } } }
public static void main(String[] args) { JFrame frame = new JFrame("Snake Game"); SnakeGame game = new SnakeGame(); frame.add(game); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setResizable(false); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); }
}