Codecademy export

main.js

const prompt = require('prompt-sync')({sigint: true});

const hat = '^';
const hole = 'O';
const fieldCharacter = '░';
const pathCharacter = '*';

class Field {
  constructor(rowCount, colCount) {
    this._rowCount = rowCount;
    this._colCount = colCount;
    this._boardSize = rowCount * colCount;
    this._gameBoard = [];
    //sets numHoles to 30% of board
    this._numHoles = Math.floor(this._boardSize*.3);
    this._playerCol = 0;
    this._playerRow = 0;
    this._prevPlayerCol = 0;
    this._prevPlayerRow = 0;
 }
 /*********create/initialize gameBoard****** */
  generateField() {
    this._gameBoard[0] = pathCharacter;
    //initialize gameBoard to field char
    for(let i = 1; i < this._boardSize; i++){
      this._gameBoard[i] = fieldCharacter;
    }
    //set random holes in gameBoard
    for(let i = 0; i < this._numHoles; i++){
      this._gameBoard[this.randIndex()] = hole;
    }
    //set 1 rand hat
    this._gameBoard[this.randIndex()] = hat;
  }
  randIndex() {
    let index;
    do{
    let randCol = Math.floor(Math.random() * this._colCount);
    let randRow = Math.floor(Math.random() * this._rowCount);
     index = randRow * this._colCount + randCol;
     index = index === 0 ? 1 : index;
    }while(this._gameBoard[index] != fieldCharacter);
    return index;
  }
  print(){
    for(let i = 0; i < this._colCount; i++){
      console.log(this._gameBoard[i].join(""));
    }
  }
  spliceArray() {
    let newArr = [];
    for(let i = 0; i < this._rowCount; i++){
      newArr[i] = this._gameBoard.splice(0,this._colCount);
    }
    this._gameBoard = newArr;
    for(let i = 0; i < this._colCount; i++){
      this._gameBoard[i].join("");
    }
  }
  /********Player control**** */
  playerMove(){
    let validMove = false;
    let move;
    while(!validMove){
      move = prompt('Move your player with WASD. CTRL + C to quit');
      if(move  === 'a' || move === 's' || move === 'd' || move === 'w'){
        validMove = true;
        console.log(move);
      }
    };
    
    switch (move) {
      case "a":
        this._prevPlayerCol = this._playerCol;
        this._prevPlayerRow = this._playerRow;
        this._playerCol--;
        break;
      case "s":
        this._prevPlayerRow = this._playerRow;
        this._prevPlayerCol = this._playerCol;
        this._playerRow++;
        break;
      case "d":
        this._prevPlayerCol = this._playerCol;
        this._prevPlayerRow = this._playerRow;
        this._playerCol++;
        break;
      case "w":
        this._prevPlayerRow = this._playerRow
        this._prevPlayerCol = this._playerCol;
        this._playerRow--;
        break;
      default:
    }
  }
  isGameOver() {
    if(this._playerRow < 0 || this._playerCol < 0 || this._playerRow >= this._rowCount || this._playerCol >= this._colCount){
      console.log("You Lost! You moved out of Bounds! Try again.")
      return true;
    }else if(this._gameBoard[this._playerRow][this._playerCol] === hole){
      console.log("You Lost! You fell in a hole! try again.");
      return true;
    }else if(this._gameBoard[this._playerRow][this._playerCol] === hat){
      console.log("You Won!!!!! try again.");
      return true;
    }else{
      this._gameBoard[this._prevPlayerRow][this._prevPlayerCol] = fieldCharacter;
      this._gameBoard[this._playerRow][this._playerCol] = pathCharacter;
      return false}
  }
}
let board = new Field(10, 10);
let gameOver = false;
board.generateField();
board.spliceArray();
board.print();
do{
  board.playerMove();
  gameOver = board.isGameOver();
  board.print();
}while(!gameOver);