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Tic Tac Toe - Using Class - v 0.0.1
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Tic tac toe</title> | |
| <script src="./script.js" type="module"></script> | |
| <link rel="stylesheet" href="./styles.css"> | |
| </head> | |
| <body> | |
| <div id="tic-tac-toe"></div> | |
| </body> | |
| </html> |
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| import TicTacToe from './tic-tac-toe.js'; | |
| const game1 = new TicTacToe('tic-tac-toe'); |
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| #tic-tac-toe { | |
| /* background: rgb(245, 214, 219); */ | |
| height: 100vh; | |
| width: 100vw; | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| flex-direction: column; | |
| } | |
| #wrapper { | |
| /* background: rgb(238, 128, 128); */ | |
| height: 50vh; | |
| width: 50vh; | |
| display: flex; | |
| flex-wrap: wrap; | |
| justify-content: center; | |
| align-content: center; | |
| } | |
| .cell { | |
| /* background: rgb(102, 102, 241); */ | |
| height: 33%; | |
| width: 33%; | |
| border: 0px black solid; | |
| box-sizing: border-box; | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| } | |
| .cell:nth-child(1) { | |
| border-width: 0 1px 1px 0; | |
| } | |
| .cell:nth-child(2) { | |
| border-width: 0 1px 1px 0; | |
| } | |
| .cell:nth-child(3) { | |
| border-width: 0 0 1px 0; | |
| } | |
| .cell:nth-child(4) { | |
| border-width: 0 1px 1px 0; | |
| } | |
| .cell:nth-child(5) { | |
| border-width: 0 1px 1px 0; | |
| } | |
| .cell:nth-child(6) { | |
| border-width: 0 0 1px 0; | |
| } | |
| .cell:nth-child(7) { | |
| border-width: 0 1px 0 0; | |
| } | |
| .cell:nth-child(8) { | |
| border-width: 0 1px 0px 0; | |
| } | |
| .cell:nth-child(9) { | |
| border-width: 0 0 0 0; | |
| } | |
| .cell span { | |
| font-size: 40px; | |
| font-weight: bold; | |
| font-family: Arial, Helvetica, sans-serif; | |
| } |
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| export default class TicTacToe{ | |
| constructor(el){ | |
| this.el = document.getElementById(el); | |
| this.setupNewGame(); | |
| this.setupEventHandlers(); | |
| } | |
| setupNewGame() { | |
| this.gameState = [null, null, null, null, null, null, null, null, null]; | |
| this.currentPlayer = "X"; | |
| this.hasWinner = false; | |
| this.render(); | |
| } | |
| setupEventHandlers() { | |
| this.el.addEventListener('click', e => { | |
| if (!this.hasWinner) { | |
| // Update game state | |
| this.updateGameState(e.target.id); | |
| // check for win | |
| const isCurrentPlayerWinner = this.checkForWin(); | |
| if (isCurrentPlayerWinner) { | |
| this.hasWinner = true; | |
| } else { | |
| // switch current player | |
| this.currentPlayer = this.currentPlayer === 'X' ? 'O' : 'X'; | |
| } | |
| // render board | |
| this.render(); | |
| } else { | |
| this.setupNewGame(); | |
| } | |
| }); | |
| } | |
| updateGameState(cellId) { | |
| const cellIdx = cellId.substring(5) - 1; | |
| this.gameState[cellIdx] = this.currentPlayer; | |
| } | |
| checkForWin() { | |
| // check rows | |
| for (let rowFirstCellIndex = 0; rowFirstCellIndex <= 6; rowFirstCellIndex += 3) { | |
| let rowArray = []; | |
| for (let cellIndex = rowFirstCellIndex; cellIndex <= rowFirstCellIndex + 2; cellIndex++) { | |
| rowArray.push(this.gameState[cellIndex]) | |
| } | |
| if (rowArray.every( v => v === rowArray[0] && !!rowArray[0])) { | |
| return true | |
| }; | |
| } | |
| // check col | |
| for (let colFirstCellIndex = 0; colFirstCellIndex <= 2; colFirstCellIndex++) { | |
| let colArray = []; | |
| for (let cellIndex = colFirstCellIndex; cellIndex <= colFirstCellIndex + 6; cellIndex += 3) { | |
| colArray.push(this.gameState[cellIndex]) | |
| } | |
| if (colArray.every( v => v === colArray[0] && !!colArray[0])) { | |
| return true | |
| }; | |
| } | |
| // check diagonal top left to bottom right | |
| const diag1 = [this.gameState[0],this.gameState[4],this.gameState[8]]; | |
| if (diag1.every( v => v === diag1[0] && !!diag1[0])) { | |
| return true | |
| }; | |
| // check diagonal top right to bottom left | |
| const diag2 = [this.gameState[2],this.gameState[4],this.gameState[6]]; | |
| if (diag2.every( v => v === diag2[0] && !!diag2[0])) { | |
| return true | |
| }; | |
| return false; | |
| } | |
| render() { | |
| this.el.innerHTML = ''; | |
| // create wrapper div | |
| const wrapper = document.createElement('div'); | |
| wrapper.id = 'wrapper'; | |
| for(let i = 0; i < 9; i++) { | |
| // create cell div | |
| const cell = document.createElement('div'); | |
| cell.id = `cell-${i + 1}`; | |
| cell.classList.add('cell'); | |
| // create span | |
| const span = document.createElement('span'); | |
| span.innerText = this.gameState[i] | |
| // append span into cell | |
| cell.appendChild(span); | |
| // append cell into wrapper | |
| wrapper.append(cell); | |
| } | |
| const header = document.createElement('h1'); | |
| header.innerText = this.hasWinner ? `${this.currentPlayer} is the winner!` : `${this.currentPlayer} turn` | |
| this.el.append(header); | |
| this.el.append(wrapper); | |
| } | |
| } |
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