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codecademydev/main.js Secret

Created Oct 16, 2020
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const prompt = require('prompt-sync')({sigint: true});
const hat = '^';
const hole = 'O';
const fieldCharacter = '░';
const pathCharacter = '*';
class Place {
constructor (id){
this._id = id;
this._isHat = false;
this._isHole = false;
this._visited = false;
this._arrPos = [];
}
get id(){
return this.id;
}
get char(){
return this._char;
}
get visited() {
return this._visited;
}
isHat (){
return this._isHat;
}
isHole (){
return this._isHole;
}
setHat (){
this._isHat = true;
}
setHole (){
this._isHole = true;
}
setVisited(){
this._visited = true;
}
}
class Field {
constructor (field){
this._field = field;
this._height = 0;
this._width = 0;
}
print (){
let field = this._field;
let print = '';
for(let i = 0; i < field.length;i++){
for(let j = 0; j < field[i].length; j++){
let pos = field[i][j];
if(pos.isHat()) {
print += hat;
}
else if(pos.isHole()) {
print += hole;
}
else if(pos.visited) {
print += pathCharacter;
}
else print += fieldCharacter;
}
print += '\n';
}
console.log(print);
}
generateField(height,width,holes){
const arr = [[]];
this._height = height;
this._width = width;
let totalChars = height*width;
let holesList = [];
let totalBombs = Math.ceil(totalChars*(holes/100)) + 1;
for(let i = 0;i < totalBombs; i++){
let randomNumber = Math.floor(Math.random()*totalChars)+1;
if(holesList.some(element => element === randomNumber || randomNumber === 1)){
i--;
}
else{
holesList.push(randomNumber);
}
}
let counter = 1;
for(let i = 0; i<height; i++){
arr.push([]);
for(let j = 0; j<width; j++){
let place = new Place(counter);
arr[i].push(place);
if(holesList.some(element => element === counter)){
if(counter === holesList[holesList.length-1]){
arr[i][j].setHat();
}
else {
arr[i][j].setHole();
}
}
else if (counter === 1){
arr[i][j].setVisited();
}
arr[i][j]._arrPos = [i,j];
counter++;
}
}
this._field = arr;
}
}
const checkPosition = (position,field) => {
let x = position[0];
let y = position[1];
if(position.some(element => element < 0)){
return false;
}
if(position[0] >= field._height || position[1] >= field._width){
return false;
}
if(field._field[x][y].isHole()){
return false;
}
return true;
}
const moveNextPlace = (mov,initialPosition) => {
if(mov === 'u'){
initialPosition[0] -= 1;
}
else if(mov === 'd'){
initialPosition[0] += 1;
}
else if(mov === 'l'){
initialPosition[1] -= 1;
}
else if(mov === 'r'){
initialPosition[1] += 1;
}
else {
return 'Invalid Movement';
}
return initialPosition;
}
const updatePath = (position,field) => {
let x = position[0];
let y = position[1];
field._field[x][y].setVisited();
}
const checkForHat = (position,field) => {
let x = position[0];
let y = position[1];
return field._field[x][y].isHat();
}
const myField = new Field([[]]);
myField.generateField(5,10,20);
myField.print();
let gameOver = false;
let currPosition = [0,0];
while (!gameOver){
let input = prompt('Selecione uma direcao -> ');
currPosition = moveNextPlace(input,currPosition);
if(!checkPosition(currPosition,myField)){
gameOver = true;
console.log('Game Over');
}
else{
updatePath(currPosition,myField);
myField.print();
if(checkForHat(currPosition,myField)){
console.log('You found the hat!')
gameOver = true;
}
}
}
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