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script.js
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script.js
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let mode, mark, circleTurn,currentClass,whoStarts;
const WINNING_COMBINATIONS=[
[0,1,2],
[3,4,5],
[6,7,8],
[0,3,6],
[1,4,7],
[2,5,8],
[0,4,8],
[2,4,6],
]
const X_Class='X';
const O_Class='O';
const cellElements= document.querySelectorAll('[cells]');
const board= document.getElementById('board')
const winningMessageElement=document.getElementById('wonMessage')
const winningMessageText=document.querySelector('[winningMessage]');
const restartButton= document.getElementById('restartBtn');
const singleButton= document.getElementById('singleBtn')
const BotOrHuman= document.getElementById('botOrHuman');
function options(){
if (document.getElementById('single').checked) {
mode = "single";
if((document.getElementById('beatrice').checked==false)&&(document.getElementById('human').checked==false))
{
alert("Select who'll start first please!")
location.reload();
}
}
else if (document.getElementById('multiple').checked) {
// console.log("multiple")
mode = "multiplayer";
if(document.getElementById('beatrice').checked)
{ alert("Hey! you can't play with Beatrice if you have someone else")
document.getElementById('beatrice').checked=false;
location.reload();
}
else if(document.getElementById('human').checked)
{ alert("Hey! you can't play with Beatrice if you have someone else")
document.getElementById('human').checked=false;
location.reload();
}
}
else{alert("HEY! select a mode please")
location.reload();
}
if (document.getElementById('markedX').checked) {
mark = "cross";
// circleTurn=false;
}
else if (document.getElementById('markedO').checked) {
mark = "circle";
// circleTurn=true;
}
else{alert("HEY! select a mark please")
location.reload();}
if(document.getElementById('beatrice').checked){
whoStarts="beatrice";
}
else if(document.getElementById('human').checked){
whoStarts="human";
}
if (mark != null && mode != null)
if (mode === 'multiplayer')
multiPlayer();
else {
// BotOrHuman.classList.add('show')
singlePlayer();
}
}
function multiPlayer(){
if(mark=="cross")
{ circleTurn=false}
else
{circleTurn=true}
function startGame() {
// circleTurn = false
cellElements.forEach(cell => {
cell.classList.remove(X_Class)
cell.classList.remove(O_Class)
cell.removeEventListener('click', boxClick)
cell.addEventListener('click', boxClick, { once: true })
})
winningMessageElement.classList.remove('show')
document.getElementById('beatrice').checked = false;
document.getElementById('human').checked = false;
document.getElementById('single').checked = false;
document.getElementById('multiple').checked = false;
document.getElementById('markedO').checked = false;
document.getElementById('markedX').checked = false;
location.reload();
}
restartButton.addEventListener('click', startGame)
function boxClick(e){
const cell=e.target;
const currentClass= circleTurn? O_Class: X_Class;
placeMark(cell,currentClass)
if(checkWin(currentClass)){
// console.log('winner')
endGame(false)
}
else if(isDraw()){
endGame(true);
}
else
{
swapTurns();
}
};
function endGame(draw){
if(draw){
winningMessageText.innerText="Both are smart! Draw! <(-_-)>";
} else{
winningMessageText.innerText=`${circleTurn? "O's win":"X's win"}`
}
winningMessageElement.classList.add('show')
}
function placeMark(cell,currentClass){
cell.classList.add(currentClass);
}
function swapTurns(){
circleTurn = !circleTurn
}
function checkWin(currentClass){
return WINNING_COMBINATIONS.some(combination=>{
return combination.every(index=>{
return cellElements[index].classList.contains(currentClass)
});
});
}
function isDraw() {
return [...cellElements].every(cell => {
return cell.classList.contains(X_Class) || cell.classList.contains(O_Class)
})
}
cellElements.forEach(cell=>{
cell.addEventListener('click',boxClick, {once:true})
});
}
function singlePlayer(){
function startGame() {
// circleTurn = false
cellElements.forEach(cell => {
cell.classList.remove(X_Class)
cell.classList.remove(O_Class)
cell.removeEventListener('click', boxClick)
cell.addEventListener('click', boxClick, { once: true })
})
winningMessageElement.classList.remove('show')
location.reload();
}
restartButton.addEventListener('click', startGame)
const marked= document.getElementById('1');
if(whoStarts==="beatrice"){
if(mark==="cross")
{ currentClass=X_Class
marked.classList.add(O_Class)
}
else
{
currentClass=O_Class
marked.classList.add(X_Class)}
}
else if(whoStarts==="human")
{
if(mark==="cross")
{ currentClass=X_Class
}
else
{currentClass=O_Class}
}
function boxClick(e) {
const cell = e.target;
playerMark(currentClass, cell);
swapTurns();
botMark(currentClass);
swapTurns();
}
function playerMark(currentClass, cell) {
cell.classList.add(currentClass);
checkWinPlayer(currentClass);
}
function swapTurns(){
if(currentClass===X_Class)
{currentClass=O_Class}
else
{currentClass=X_Class}
}
function botMark(currentClass) {
let bestScore = -Infinity;
var index;
for (var i = 0; i < 9; i++) {
if (cellElements[i].classList.value === 'cell') {
cellElements[i].classList.add(currentClass);
let score = minimax(cellElements, 0, false);
cellElements[i].classList.remove(currentClass);
console.log(score)
if (score > bestScore) {
bestScore = score;
index = i;
}
}
}
cellElements[index].classList.add(currentClass);
cellElements[index].removeEventListener('click', boxClick)
checkWinAI(currentClass);
}
function minimax(cellElements, depth, isMaximizing) {
if (((WINNING_COMBINATIONS.some(combination => {
return combination.every(index => {
return cellElements[index].classList.contains(currentClass)
})
})))) {
return 1;
}
else if (((WINNING_COMBINATIONS.some(combination => {
return combination.every(index => {
return cellElements[index].classList.contains(currentClass == O_Class ? X_Class : O_Class)
})
}))))
return -1;
else if ([...cellElements].every(cell => {
return cell.classList.contains(X_Class) || cell.classList.contains(O_Class)
})) {
return 0;
}
if (isMaximizing) {
let bestScore = -Infinity;
for (let i = 0; i < 9; i++) {
if (cellElements[i].classList.value === 'cell') {
cellElements[i].classList.add(currentClass);
let score = minimax(cellElements, depth + 1, false);
cellElements[i].classList.remove(currentClass);
bestScore = (score > bestScore) ? score : bestScore;
}
}
return bestScore;
}
else {
let bestScore = Infinity;
for (let i = 0; i < 9; i++) {
if (cellElements[i].classList.value === 'cell') {
cellElements[i].classList.add(currentClass == O_Class ? X_Class : O_Class);
let score = minimax(cellElements, depth + 1, true );
cellElements[i].classList.remove(currentClass == O_Class ? X_Class : O_Class);
bestScore = (score < bestScore) ? score : bestScore;
}
}
return bestScore;
}
}
function checkWinPlayer(currentClass) {
if (checkWin(currentClass)) {
winningMessageText.innerText="Yay! you won! O_o";
winningMessageElement.classList.add('show')
}
else if (isDraw(currentClass)) {
winningMessageText.innerText="Both are smart! Draw! <(-_-)>";
winningMessageElement.classList.add('show')
}
// winningMessageElement.classList.add('show')
}
function checkWinAI(currentClass) {
if (checkWin(currentClass)) {
winningMessageText.innerText="Oops! not your day, Beatrice wins ";
winningMessageElement.classList.add('show')
}
else if (isDraw(currentClass)) {
winningMessageText.innerText="Oops! both are smart! Draw! <(-_-)>";
winningMessageElement.classList.add('show')
}
// winningMessageElement.classList.add('show')
}
function checkWin(currentClass){
return WINNING_COMBINATIONS.some(combination=>{
return combination.every(index=>{
return cellElements[index].classList.contains(currentClass)
});
});
}
function isDraw() {
return [...cellElements].every(cell => {
return cell.classList.contains(X_Class) || cell.classList.contains(O_Class)
})
}
cellElements.forEach(cell=>{
cell.addEventListener('click',boxClick, {once:true})
});
}