Snake/Java: Difference between revisions
< Snake
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(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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import static java.lang.String.format; |
import static java.lang.String.format; |
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public class zug extends JPanel implements Runnable { |
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enum Dir { |
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up(0, -1), right(1, 0), down(0, 1), left(-1, 0); |
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Dir(int x, int y) { |
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this.x = x; this.y = y; |
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} |
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final int x, y; |
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} |
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static final Random rand = new Random(); |
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static final int WAND = -1; |
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volatile boolean gameOver = true; |
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Thread gameThread; |
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int score, highScore; |
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int nRows = 108; |
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int nCols = 192; |
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Dir dir; |
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int[][] wand; |
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List<Point> zug, passagiere; |
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Font smallFont; |
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public zug() { |
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setPreferredSize(new Dimension(1920, 1080)); |
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setBackground(Color.darkGray); |
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setFont(new Font("Arial", Font.BOLD, 48)); |
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setFocusable(true); |
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smallFont = getFont().deriveFont(Font.BOLD, 18); |
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mauerErzeugen(); |
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addMouseListener( |
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new MouseAdapter() { |
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@Override |
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public void mousePressed(MouseEvent e) { |
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if (gameOver) { |
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starteNeuesSpiel(); |
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repaint(); |
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} |
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} |
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}); |
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addKeyListener( |
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new KeyAdapter() { |
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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_UP: |
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if (dir != Dir.down) |
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dir = Dir.up; |
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break; |
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case KeyEvent.VK_LEFT: |
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if (dir != Dir.right) |
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dir = Dir.left; |
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break; |
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case KeyEvent.VK_RIGHT: |
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if (dir != Dir.left) |
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dir = Dir.right; |
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break; |
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case KeyEvent.VK_DOWN: |
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if (dir != Dir.up) |
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dir = Dir.down; |
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break; |
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} |
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repaint(); |
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} |
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}); |
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} |
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public static void zeigeFenster(String text) { |
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JFrame fenster = new JFrame("Deutsche Bahn"); |
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JLabel label = new JLabel(text); |
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fenster.getContentPane().add(label); |
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fenster.setSize(600, 200); |
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fenster.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
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fenster.setVisible(true); |
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} |
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void starteNeuesSpiel() { |
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gameOver = false; |
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stop(); |
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mauerErzeugen(); |
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passagiere = new LinkedList<>(); |
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dir = Dir.left; |
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if (score > highScore) |
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highScore = score; |
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score = 0; |
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zug = new ArrayList<>(); |
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for (int x = 0; x < 7; x++) |
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zug.add(new Point(nCols / 2 + x, nRows / 2)); |
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do |
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addPassagiere(); |
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while(passagiere.isEmpty()); |
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(gameThread = new Thread(this)).start(); |
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} |
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void stop() { |
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if (gameThread != null) { |
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Thread tmp = gameThread; |
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gameThread = null; |
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tmp.interrupt(); |
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} |
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} |
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void mauerErzeugen() { |
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wand = new int[nRows][nCols]; |
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for (int r = 0; r < nRows; r++) { |
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for (int c = 0; c < nCols; c++) { |
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if (c == 0 || c == nCols - 1 || r == 0 || r == nRows - 1) |
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wand[r][c] = WAND; |
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} |
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} |
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} |
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@Override |
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public void run() { |
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while (Thread.currentThread() == gameThread) { |
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try { |
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Thread.sleep(Math.max(75 - score, 25)); |
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} catch (InterruptedException e) { |
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return; |
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} |
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if (trifftWand() || trifftZug() || score == 15) { |
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gameOver(); |
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} else { |
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if (sammeltPassagiereEin()) { |
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score++; |
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verlängereZug(); |
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} |
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bewegeZug(); |
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addPassagiere(); |
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} |
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repaint(); |
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} |
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} |
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boolean trifftWand() { |
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Point head = zug.get(0); |
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int nextCol = head.x + dir.x; |
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int nextRow = head.y + dir.y; |
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return wand [nextRow][nextCol] == WAND; |
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} |
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boolean trifftZug() { |
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Point head = zug.get(0); |
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int nextCol = head.x + dir.x; |
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int nextRow = head.y + dir.y; |
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for (Point p : zug) |
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if (p.x == nextCol && p.y == nextRow) |
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return true; |
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return false; |
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} |
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boolean sammeltPassagiereEin() { |
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Point head = zug.get(0); |
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int nextCol = head.x + dir.x; |
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int nextRow = head.y + dir.y; |
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for (Point p : passagiere) |
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if (p.x == nextCol && p.y == nextRow) { |
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return passagiere.remove(p); |
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} |
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return false; |
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} |
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void gameOver() { |
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gameOver = true; |
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zeigeFenster("Gut gemacht ! Der Code für die Bombe ist dein Score: "+score+ " " + "Suche nun nach 2 weiteren NFC Tags !"); |
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stop(); |
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} |
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void bewegeZug() { |
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for (int i = zug.size() - 1; i > 0; i--) { |
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Point p1 = zug.get(i - 1); |
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Point p2 = zug.get(i); |
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p2.x = p1.x; |
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p2.y = p1.y; |
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} |
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Point head = zug.get(0); |
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head.x += dir.x; |
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head.y += dir.y; |
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} |
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void verlängereZug() { |
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Point tail = zug.get(zug.size() - 1); |
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int x = tail.x + dir.x; |
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int y = tail.y + dir.y; |
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zug.add(new Point(x, y)); |
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} |
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void addPassagiere() { |
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if (passagiere.size() < 10) { |
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if (rand.nextInt(10) == 0) { // 1 in 10 |
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if (rand.nextInt(4) != 0) { // 3 in 4 |
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int x, y; |
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while (true) { |
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x = rand.nextInt(nCols); |
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y = rand.nextInt(nRows); |
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if (wand[y][x] != 0) |
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continue; |
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Point p = new Point(x, y); |
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if (zug.contains(p) || passagiere.contains(p)) |
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continue; |
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passagiere.add(p); |
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break; |
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} |
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} else if (passagiere.size() > 1) |
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passagiere.remove(0); |
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} |
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} |
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} |
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void zeichneWand(Graphics2D g) { |
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g.setColor(Color.black); |
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for (int r = 0; r < nRows; r++) { |
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for (int c = 0; c < nCols; c++) { |
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if (wand[r][c] == WAND) |
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g.fillRect(c * 10, r * 10, 10, 10); |
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} |
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} |
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} |
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void zeichneZug(Graphics2D g) { |
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g.setColor(Color.red); |
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for (Point p : zug) |
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g.fillRect(p.x * 10, p.y * 10, 10, 10); |
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Point head = zug.get(0); |
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g.fillRect(head.x * 10, head.y * 10, 10, 10); |
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} |
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void zeichnePassagiere(Graphics2D g) { |
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g.setColor(Color.pink); |
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for (Point p : passagiere) |
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g.fillRect(p.x * 10, p.y * 10, 10, 10); |
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} |
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void zeichneStartbildschirm(Graphics2D g) { |
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g.setColor(Color.white); |
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g.setFont(getFont()); |
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g.drawString("Sammle die Passagiere ein",650, 250); |
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g.setColor(Color.white); |
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g.setFont(smallFont); |
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g.drawString("Beliebige Maustaste zum Starten drücken", 780, 300); |
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} |
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void zeichnePunktestand(Graphics2D g) { |
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int h = getHeight(); |
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g.setFont(smallFont); |
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g.setColor(Color.white); |
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String s = format("HighScore: %d Score: %d", highScore, score); |
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g.drawString(s, 30, h - 30); |
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} |
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public void paintComponent(Graphics gg) { |
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super.paintComponent(gg); |
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Graphics2D g = (Graphics2D) gg; |
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g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, |
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RenderingHints.VALUE_ANTIALIAS_ON); |
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zeichneWand(g); |
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if (gameOver) { |
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zeichneStartbildschirm(g); |
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} else { |
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zeichneZug(g); |
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zeichnePassagiere(g); |
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zeichnePunktestand(g); |
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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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SwingUtilities.invokeLater( |
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() -> { |
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JFrame mainFrame = new JFrame(); |
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mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
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mainFrame.setTitle("Deutsche Bahn"); |
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mainFrame.setResizable(true); |
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mainFrame.add(new zug(), BorderLayout.CENTER); |
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mainFrame.pack(); |
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mainFrame.setLocationRelativeTo(null); |
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mainFrame.setVisible(true); |
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}); |
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} |
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} |
} |
Revision as of 19:46, 21 May 2023
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;
}