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49 lines
1.1 KiB
49 lines
1.1 KiB
const express = require('express');
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const app = express();
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const http = require('http');
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const cors = require("cors");
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const server = http.createServer(app);
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const { Server } = require("socket.io");
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const io = new Server(server, {
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cors: {
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origin: true,
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}
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});
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app.use(cors());
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app.get('/', (req, res) => {
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res.sendFile(__dirname + '/index.html');
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});
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app.get("/cursor.svg", (req, res) => {
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res.sendFile(__dirname + "/cursor.svg");
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});
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let paths = {};
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io.on('connection', (socket) => {
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console.log('a user connected');
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let userid = socket.id;
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// take stream of movement packet, append as necessary
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socket.on('movement', (data) => {
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if (paths[userid] === undefined) {
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paths[userid] = data;
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} else {
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paths[userid] = paths[userid].concat(data);
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}
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console.log(paths);
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});
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// send old paths to new user
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setInterval(() => {
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socket.emit('pathsync', paths);
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}, 1000);
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});
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server.listen(3000, () => {
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console.log('listening on *:3000');
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});
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