thib8956/tic-tac-toe-ws
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feat: synchronize colors between clients

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Thibaud Gasser
2026-01-27 13:08:40 +01:00
parent d8733c48b3
commit eb6011fa9d
4 changed files with 28 additions and 18 deletions
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16
server.ts
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@@ -1,10 +1,11 @@
import { Message, Update, Hello, EndGame, Symbol } from "common.js"
import { Message, Update, Hello, EndGame, Symbol, SymbolWithHue } from "common.js"
import { WebSocket, WebSocketServer, MessageEvent } from "ws";
const port = 1234
const wss = new WebSocketServer({ port });
let grid = [0, 0, 0, 0, 0, 0, 0, 0, 0]
let grid = [0, 0, 0, 0, 0, 0, 0, 0, 0];
let hues = [0, 0, 0, 0, 0, 0, 0, 0, 0];
let endGame = false;
console.log(`waiting for connection on ws://localhost:${port}`);
@@ -30,13 +31,14 @@ wss.on("connection", (ws, req) => {
id += 1;
if (clients.length === 2) {
spectators.push(ws);
const spectateData: (Symbol | undefined)[] = [];
for (const playerId of grid) {
const spectateData: (SymbolWithHue | undefined)[] = [];
for (const [i, playerId] of grid.entries()) {
if (playerId === 0) {
spectateData.push(undefined);
} else {
const sym = clients.find(c => c.id === playerId)!.symbol;
spectateData.push(sym);
const hue = hues[i];
spectateData.push({ symbol: sym, hue: hue });
}
}
const spectateMsg: Message = {
@@ -62,6 +64,7 @@ wss.on("connection", (ws, req) => {
ws.addEventListener("message", (event: MessageEvent) => {
const message = JSON.parse(event.data as string);
const {x, y} = message;
const hue = Math.floor(Math.random() * 255);
const player = clients.find(x => x.ws === ws);
if (!player) throw new Error("player not found");
console.log("received message", message, "player", player!.id, "currentPlayer", currentPlayer?.id);
@@ -95,10 +98,11 @@ wss.on("connection", (ws, req) => {
if (grid[y*3+x] === 0) {
grid[y*3+x] = player.id;
hues[y*3+x] = hue;
const msg = JSON.stringify({
kind: "update",
data: {
last: { x, y, symbol: player.symbol }
last: { x, y, symbol: player.symbol, hue: hue },
} as Update,
} as Message);