js如何实现消消乐小游戏

const ROWS = 8;
const COLS = 8;
let board = [];

function initializeBoard() {
    for (let row = 0; row < ROWS; row++) {
        board[row] = [];
        for (let col = 0; col < COLS; col++) {
            board[row][col] = Math.floor(Math.random() * 5); // 假设有5种不同的元素
        }
    }
}

function drawBoard() {
    const container = document.getElementById('game-board');
    container.innerHTML = '';
    for (let row = 0; row < ROWS; row++) {
        for (let col = 0; col < COLS; col++) {
            const element = document.createElement('div');
            element.className = `element element-${board[row][col]}`;
            container.appendChild(element);
        }
    }
}

function checkMatches() {
    let matches = [];
    // 检查水平匹配
    for (let row = 0; row < ROWS; row++) {
        for (let col = 0; col < COLS - 2; col++) {
            if (board[row][col] === board[row][col + 1] && board[row][col] === board[row][col + 2]) {
                matches.push([row, col]);
                matches.push([row, col + 1]);
                matches.push([row, col + 2]);
            }
        }
    }
    // 检查垂直匹配
    for (let col = 0; col < COLS; col++) {
        for (let row = 0; row < ROWS - 2; row++) {
            if (board[row][col] === board[row + 1][col] && board[row][col] === board[row + 2][col]) {
                matches.push([row, col]);
                matches.push([row + 1, col]);
                matches.push([row + 2, col]);
            }
        }
    }
    return matches;
}

function eliminateMatches(matches) {
    for (let [row, col] of matches) {
        board[row][col] = -1; // 标记为消除
    }
    for (let col = 0; col < COLS; col++) {
        let writeRow = ROWS - 1;
        for (let row = ROWS - 1; row >= 0; row--) {
            if (board[row][col] !== -1) {
                board[writeRow][col] = board[row][col];
                writeRow--;
            }
        }
        for (let row = writeRow; row >= 0; row--) {
            board[row][col] = Math.floor(Math.random() * 5); // 新元素下落填补空缺
        }
    }
}

function gameLoop() {
    initializeBoard();
    drawBoard();
    document.addEventListener('click', handleCellClick);
}

function handleCellClick(event) {
    const cell = event.target;
    const col = Array.from(cell.parentNode.children).indexOf(cell);
    const row = Array.from(cell.parentNode.parentNode.children).indexOf(cell.parentNode);
    // 实现交换逻辑和匹配检查
}