Compare commits
2 commits
Author | SHA1 | Date | |
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ba260f2895 | |||
4d3786c495 |
3 changed files with 207 additions and 46 deletions
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@ -4,7 +4,7 @@
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<meta charset="UTF-8" />
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<link rel="icon" type="image/svg+xml" href="/vite.svg" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Vite + React</title>
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<title>Tic Tac Toe Bolt</title>
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</head>
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<body>
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<div id="root"></div>
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54
src/App.css
54
src/App.css
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@ -5,38 +5,44 @@
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text-align: center;
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}
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.logo {
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height: 6em;
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padding: 1.5em;
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will-change: filter;
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transition: filter 300ms;
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.board {
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display: flex;
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flex-direction: column;
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gap: 10px;
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margin-top: 1em;
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}
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.logo:hover {
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filter: drop-shadow(0 0 2em #646cffaa);
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.messages {
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line-height: 1em;
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}
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.logo.react:hover {
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filter: drop-shadow(0 0 2em #61dafbaa);
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.board-row {
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display: flex;
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flex-direction: row;
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gap: 10px;
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}
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@keyframes logo-spin {
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from {
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transform: rotate(0deg);
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}
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to {
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transform: rotate(360deg);
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}
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.board-cell {
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width: 100px;
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height: 100px;
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border: 1px solid black;
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display: flex;
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justify-content: center;
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align-items: center;
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font-size: 24px;
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cursor: pointer;
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}
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@media (prefers-reduced-motion: no-preference) {
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a:nth-of-type(2) .logo {
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animation: logo-spin infinite 20s linear;
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}
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.game-set .board-cell {
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cursor: not-allowed;
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}
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.card {
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padding: 2em;
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.game-set .board-cell:hover {
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background-color: unset;
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}
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.read-the-docs {
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color: #888;
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.board-cell:hover {
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background-color: #f0f0f0;
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}
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.board-cell.fading {
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color: red;
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}
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197
src/App.tsx
197
src/App.tsx
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@ -1,33 +1,188 @@
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import { useState } from 'react'
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import reactLogo from './assets/react.svg'
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import viteLogo from '/vite.svg'
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import React, { useEffect, useState } from 'react'
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import './App.css'
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type Symbol = 'X' | 'O';
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type CellState = {
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symbol?: Symbol;
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isFading?: boolean;
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};
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type RowState = CellState[];
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type BoardState = RowState[];
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type CellClickHandler = (row: number, col: number) => void;
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type CellProps = CellState & { rowIndex: number, columnIndex: number, onClick?: CellClickHandler };
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function Cell({ rowIndex, columnIndex, symbol, isFading, onClick }: CellProps) {
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return <div className={`board-cell ${isFading ? 'fading' : ''}`} onClick={() => onClick && onClick(rowIndex, columnIndex)}>{symbol}</div>;
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}
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type RowProps = {
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index: number,
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state: RowState
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onCellClick: CellClickHandler;
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};
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function Row({ state, index, onCellClick }: RowProps) {
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return (
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<div className="board-row">
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{state.map((cellState: CellState, i) => <Cell
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key={`cell-${index}-${i}`}
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rowIndex={index}
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columnIndex={i}
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{...cellState}
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onClick={onCellClick}/>)}
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</div>
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)
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}
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type BoardProps = {
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state: BoardState;
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hasWinner?: boolean;
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onCellClick: CellClickHandler;
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}
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function Board({ state, hasWinner, onCellClick }: BoardProps) {
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return (
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<div className={`board ${hasWinner ? 'game-set' : ''}`}>
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{state.map((row, i) => <Row key={`row-${i}`} index={i} state={row} onCellClick={onCellClick}/>)}
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</div>
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)
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}
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function hasWin(board: BoardState, size: number, row: number, column: number): boolean {
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const targetCell = board[row]?.[column];
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if (!targetCell) { return false; }
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let win = true;
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for (let r = 0; r < size; r++) {
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if (board[r]?.[column]?.symbol !== targetCell.symbol) {
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win = false;
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break;
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}
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}
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if (win) {
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return true;
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}
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win = true;
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for (let c = 0; c < size; c++) {
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if (board[row]?.[c]?.symbol !== targetCell.symbol) {
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win = false;
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break;
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}
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}
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if (win) {
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return true;
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}
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if (row !== column) {
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return false;
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}
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win = true;
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for (let i = 0; i < size; i++) {
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if (board[i]?.[i]?.symbol !== targetCell.symbol) {
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win = false;
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break;
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}
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}
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return win;
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}
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type MoveRecord = {
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row: number;
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col: number;
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player: Symbol;
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};
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type GameState = {
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board: BoardState;
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latestMoves:MoveRecord[];
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currentPlayer: Symbol;
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winner?: Symbol;
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}
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function useBoardState(size: number = 3): [GameState, { reset: ()=> void; playOn: (row: number, col: number) => boolean } ] {
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const [state, updateState] = useState<GameState>({
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board: Array(size).fill(Array(size).fill({})),
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latestMoves: [],
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currentPlayer: 'O',
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});
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return [
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state,
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{
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reset: () => updateState({
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board: Array(size).fill(Array(size).fill({})),
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latestMoves: [],
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currentPlayer: 'O',
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}),
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playOn: (row: number, col: number) => {
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if (state.winner) {
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return false;
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}
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const targetCell = state.board[row]?.[col];
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if (!targetCell || targetCell.symbol) {
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return false;
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}
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const cellToFading = state.latestMoves.length >= (2*size-1) ? state.latestMoves[0] : undefined;
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const fadingRow = cellToFading?.row;
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const fadingCol = cellToFading?.col;
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const nextState: GameState = {
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board: state.board.map((oldRow, r) => oldRow.map((oldCell, c)=> {
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return {
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...(oldCell.isFading ? {} : oldCell),
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...(r===row && c===col ? { symbol: state.currentPlayer } : undefined),
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...(r===fadingRow && c===fadingCol ? { isFading: true} : undefined),
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};
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})),
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latestMoves: [
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...state.latestMoves,
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{
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row,
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col,
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player: state.currentPlayer,
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}
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].slice(-2*size+1),
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currentPlayer: state.currentPlayer === 'X' ? 'O' : 'X' as Symbol,
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};
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if (hasWin(nextState.board, size, row, col)) {
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nextState.winner = state.currentPlayer;
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}
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updateState(nextState);
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return true;
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},
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},
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];
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}
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function App() {
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const [count, setCount] = useState(0)
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const [state, { playOn, reset: resetGame }] = useBoardState(5);
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const nextPlayer = state.currentPlayer;
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const latestCells = state.latestMoves;
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const winner = state.winner;
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return (
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<>
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<div>
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<a href="https://vite.dev" target="_blank">
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<img src={viteLogo} className="logo" alt="Vite logo" />
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</a>
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<a href="https://react.dev" target="_blank">
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<img src={reactLogo} className="logo react" alt="React logo" />
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</a>
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</div>
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<h1>Vite + React</h1>
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<div className="card">
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<button onClick={() => setCount((count) => count + 1)}>
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count is {count}
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</button>
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<Board state={state.board} hasWinner={!!winner } onCellClick={playOn}/>
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<div className="messages">
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<p>
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Edit <code>src/App.jsx</code> and save to test HMR
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<span style={{marginRight: '1em'}}>{winner ? `Winner is ${winner}` : (<>Next player is <em>{nextPlayer}</em></>)}</span>
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{latestCells.length === 0 && ("Click any cell to start")}
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{winner && <button onClick={resetGame}>Click to restart</button>}
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</p>
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</div>
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<p className="read-the-docs">
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Click on the Vite and React logos to learn more
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</p>
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</>
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)
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}
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