GPT4o写的俄罗斯方块

几乎一次成功，Tetrominoes内部类位置放错了，导致引用的地方报错，把他挪到第一层之后就可以工作了。

游戏界面

游戏结束

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.Random;

public class Tetris extends JFrame {

    private static final int BOARD_WIDTH = 10;
    private static final int BOARD_HEIGHT = 22;

    private Timer timer;
    private boolean isFallingFinished = false;
    private boolean isStarted = false;
    private boolean isPaused = false;
    private int numLinesRemoved = 0;
    private int curX = 0;
    private int curY = 0;
    private JLabel statusbar;
    private Shape curPiece;
    private Tetrominoes[] board;

    public Tetris() {
        initUI();
    }

    private void initUI() {
        statusbar = new JLabel(" 0");
        add(statusbar, BorderLayout.SOUTH);
        Board board = new Board(this);
        add(board);
        board.start();

        setTitle("Tetris");
        setSize(200, 400);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setLocationRelativeTo(null);
    }

    public static void main(String[] args) {
        EventQueue.invokeLater(() -> {
            Tetris game = new Tetris();
            game.setVisible(true);
        });
    }

    JLabel getStatusBar() {
        return statusbar;
    }

    class Board extends JPanel implements ActionListener {

        private final int BOARD_WIDTH = 10;
        private final int BOARD_HEIGHT = 22;
        private Timer timer;
        private boolean isFallingFinished = false;
        private boolean isStarted = false;
        private boolean isPaused = false;
        private int numLinesRemoved = 0;
        private int curX = 0;
        private int curY = 0;
        private JLabel statusbar;
        private Shape curPiece;
        private Tetrominoes[] board;

        public Board(Tetris parent) {
            setFocusable(true);
            curPiece = new Shape();
            timer = new Timer(400, this);
            timer.start();

            statusbar = parent.getStatusBar();
            board = new Tetrominoes[BOARD_WIDTH * BOARD_HEIGHT];
            addKeyListener(new TAdapter());
            clearBoard();
        }

        public void start() {
            if (isPaused)
                return;

            isStarted = true;
            isFallingFinished = false;
            numLinesRemoved = 0;
            clearBoard();

            newPiece();
            timer.start();
        }

        private void pause() {
            if (!isStarted)
                return;

            isPaused = !isPaused;

            if (isPaused) {
                timer.stop();
                statusbar.setText("paused");
            } else {
                timer.start();
                statusbar.setText(String.valueOf(numLinesRemoved));
            }

            repaint();
        }

        @Override
        public void actionPerformed(ActionEvent e) {
            if (isFallingFinished) {
                isFallingFinished = false;
                newPiece();
            } else {
                oneLineDown();
            }
        }

        private int squareWidth() {
            return (int) getSize().getWidth() / BOARD_WIDTH;
        }

        private int squareHeight() {
            return (int) getSize().getHeight() / BOARD_HEIGHT;
        }

        private Tetrominoes shapeAt(int x, int y) {
            return board[(y * BOARD_WIDTH) + x];
        }

        private void clearBoard() {
            for (int i = 0; i < BOARD_HEIGHT * BOARD_WIDTH; i++) {
                board[i] = Tetrominoes.NoShape;
            }
        }

        private void pieceDropped() {
            for (int i = 0; i < 4; i++) {
                int x = curX + curPiece.x(i);
                int y = curY - curPiece.y(i);
                board[(y * BOARD_WIDTH) + x] = curPiece.getShape();
            }

            removeFullLines();

            if (!isFallingFinished) {
                newPiece();
            }
        }

        private void newPiece() {
            curPiece.setRandomShape();
            curX = BOARD_WIDTH / 2 + 1;
            curY = BOARD_HEIGHT - 1 + curPiece.minY();

            if (!tryMove(curPiece, curX, curY)) {
                curPiece.setShape(Tetrominoes.NoShape);
                timer.stop();
                isStarted = false;
                statusbar.setText("game over");
            }
        }

        private void oneLineDown() {
            if (!tryMove(curPiece, curX, curY - 1)) {
                pieceDropped();
            }
        }

        private boolean tryMove(Shape newPiece, int newX, int newY) {
            for (int i = 0; i < 4; i++) {
                int x = newX + newPiece.x(i);
                int y = newY - newPiece.y(i);

                if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
                    return false;

                if (shapeAt(x, y) != Tetrominoes.NoShape)
                    return false;
            }

            curPiece = newPiece;
            curX = newX;
            curY = newY;
            repaint();

            return true;
        }

        private void drawSquare(Graphics g, int x, int y, Tetrominoes shape) {
            Color colors[] = {
                    new Color(0, 0, 0), new Color(204, 102, 102),
                    new Color(102, 204, 102), new Color(102, 102, 204),
                    new Color(204, 204, 102), new Color(204, 102, 204),
                    new Color(102, 204, 204), new Color(218, 170, 0)
            };

            Color color = colors[shape.ordinal()];

            g.setColor(color);
            g.fillRect(x + 1, y + 1, squareWidth() - 2, squareHeight() - 2);

            g.setColor(color.brighter());
            g.drawLine(x, y + squareHeight() - 1, x, y);
            g.drawLine(x, y, x + squareWidth() - 1, y);

            g.setColor(color.darker());
            g.drawLine(x + 1, y + squareHeight() - 1,
                    x + squareWidth() - 1, y + squareHeight() - 1);
            g.drawLine(x + squareWidth() - 1, y + squareHeight() - 1,
                    x + squareWidth() - 1, y + 1);
        }

        private void removeFullLines() {
            int numFullLines = 0;

            for (int i = BOARD_HEIGHT - 1; i >= 0; i--) {
                boolean lineIsFull = true;

                for (int j = 0; j < BOARD_WIDTH; j++) {
                    if (shapeAt(j, i) == Tetrominoes.NoShape) {
                        lineIsFull = false;
                        break;
                    }
                }

                if (lineIsFull) {
                    numFullLines++;
                    for (int k = i; k < BOARD_HEIGHT - 1; k++) {
                        for (int j = 0; j < BOARD_WIDTH; j++) {
                            board[(k * BOARD_WIDTH) + j] = shapeAt(j, k + 1);
                        }
                    }
                }
            }

            if (numFullLines > 0) {
                numLinesRemoved += numFullLines;
                statusbar.setText(String.valueOf(numLinesRemoved));
                isFallingFinished = true;
                curPiece.setShape(Tetrominoes.NoShape);
                repaint();
            }
        }

        @Override
        public void paint(Graphics g) {
            super.paint(g);

            Dimension size = getSize();
            int boardTop = (int) size.getHeight() - BOARD_HEIGHT * squareHeight();

            for (int i = 0; i < BOARD_HEIGHT; i++) {
                for (int j = 0; j < BOARD_WIDTH; j++) {
                    Tetrominoes shape = shapeAt(j, BOARD_HEIGHT - i - 1);

                    if (shape != Tetrominoes.NoShape) {
                        drawSquare(g, j * squareWidth(),
                                boardTop + i * squareHeight(), shape);
                    }
                }
            }

            if (curPiece.getShape() != Tetrominoes.NoShape) {
                for (int i = 0; i < 4; i++) {
                    int x = curX + curPiece.x(i);
                    int y = curY - curPiece.y(i);
                    drawSquare(g, x * squareWidth(),
                            boardTop + (BOARD_HEIGHT - y - 1) * squareHeight(),
                            curPiece.getShape());
                }
            }
        }

        private class TAdapter extends KeyAdapter {
            @Override
            public void keyPressed(KeyEvent e) {
                if (!isStarted || curPiece.getShape() == Tetrominoes.NoShape) {
                    return;
                }

                int keycode = e.getKeyCode();

                if (keycode == 'p' || keycode == 'P') {
                    pause();
                    return;
                }

                if (isPaused) {
                    return;
                }

                switch (keycode) {
                    case KeyEvent.VK_LEFT:
                        tryMove(curPiece, curX - 1, curY);
                        break;
                    case KeyEvent.VK_RIGHT:
                        tryMove(curPiece, curX + 1, curY);
                        break;
                    case KeyEvent.VK_DOWN:
                        tryMove(curPiece.rotateRight(), curX, curY);
                        break;
                    case KeyEvent.VK_UP:
                        tryMove(curPiece.rotateLeft(), curX, curY);
                        break;
                    case KeyEvent.VK_SPACE:
                        dropDown();
                        break;
                    case 'd':
                        oneLineDown();
                        break;
                }
            }
        }

        private void dropDown() {
            int newY = curY;

            while (newY > 0) {
                if (!tryMove(curPiece, curX, newY - 1)) {
                    break;
                }
                --newY;
            }

            pieceDropped();
        }
    }

}
enum Tetrominoes {NoShape, ZShape, SShape, LineShape, TShape, SquareShape, LShape, MirroredLShape}

class Shape {

    private Tetrominoes pieceShape;
    private int coords[][];
    private int[][][] coordsTable;

    public Shape() {
        coords = new int[4][2];
        setShape(Tetrominoes.NoShape);
    }

    public void setShape(Tetrominoes shape) {
        coordsTable = new int[][][]{
                {{0, 0}, {0, 0}, {0, 0}, {0, 0}},
                {{0, -1}, {0, 0}, {-1, 0}, {-1, 1}},
                {{0, -1}, {0, 0}, {1, 0}, {1, 1}},
                {{0, -1}, {0, 0}, {0, 1}, {0, 2}},
                {{-1, 0}, {0, 0}, {1, 0}, {0, 1}},
                {{0, 0}, {1, 0}, {0, 1}, {1, 1}},
                {{-1, -1}, {0, -1}, {0, 0}, {0, 1}},
                {{1, -1}, {0, -1}, {0, 0}, {0, 1}}
        };

        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 2; ++j) {
                coords[i][j] = coordsTable[shape.ordinal()][i][j];
            }
        }

        pieceShape = shape;
    }

    private void setX(int index, int x) {
        coords[index][0] = x;
    }

    private void setY(int index, int y) {
        coords[index][1] = y;
    }

    public int x(int index) {
        return coords[index][0];
    }

    public int y(int index) {
        return coords[index][1];
    }

    public Tetrominoes getShape() {
        return pieceShape;
    }

    public void setRandomShape() {
        Random r = new Random();
        int x = Math.abs(r.nextInt()) % 7 + 1;
        Tetrominoes[] values = Tetrominoes.values();
        setShape(values[x]);
    }

    public int minX() {
        int m = coords[0][0];
        for (int i = 0; i < 4; i++) {
            m = Math.min(m, coords[i][0]);
        }
        return m;
    }

    public int minY() {
        int m = coords[0][1];
        for (int i = 0; i < 4; i++) {
            m = Math.min(m, coords[i][1]);
        }
        return m;
    }

    public Shape rotateLeft() {
        if (pieceShape == Tetrominoes.SquareShape)
            return this;

        Shape result = new Shape();
        result.pieceShape = pieceShape;

        for (int i = 0; i < 4; ++i) {
            result.setX(i, y(i));
            result.setY(i, -x(i));
        }
        return result;
    }

    public Shape rotateRight() {
        if (pieceShape == Tetrominoes.SquareShape)
            return this;

        Shape result = new Shape();
        result.pieceShape = pieceShape;

        for (int i = 0; i < 4; ++i) {
            result.setX(i, -y(i));
            result.setY(i, x(i));
        }
        return result;
    }
}