推箱子的游戏js编程题

const map = [
  ['#', '#', '#', '#', '#'],
  ['#', '.', 'B', '.', '#'],
  ['#', '.', 'P', '.', '#'],
  ['#', '.', '.', 'T', '#'],
  ['#', '#', '#', '#', '#']
];

let playerX = 2;
let playerY = 2;

function movePlayer(direction) {
  let newX = playerX;
  let newY = playerY;

  switch (direction) {
    case 'up':
      newX--;
      break;
    case 'down':
      newX++;
      break;
    case 'left':
      newY--;
      break;
    case 'right':
      newY++;
      break;
  }

  if (map[newX][newY] === '#') return; // Hit a wall

  if (map[newX][newY] === 'B') {
    let boxNewX = newX;
    let boxNewY = newY;

    switch (direction) {
      case 'up':
        boxNewX--;
        break;
      case 'down':
        boxNewX++;
        break;
      case 'left':
        boxNewY--;
        break;
      case 'right':
        boxNewY++;
        break;
    }

    if (map[boxNewX][boxNewY] !== '.') return; // Hit another wall or box

    map[boxNewX][boxNewY] = 'B';
  }

  map[playerX][playerY] = '.';
  playerX = newX;
  playerY = newY;
  map[playerX][playerY] = 'P';

  console.log(map);
}

// Example usage:
movePlayer('right'); // Move player to the right