Server-diff.md

// scene/server/Server.ts
import { connectedClients } from './ConnectedClients'
import { WebSocketTransport } from 'metaverse-api'
import RemoteScene from './RemoteScene'
+import store, { unregisterPlayer } from './Store'

 // ...

 wss.on('connection', function connection(ws, req) {
   connectedClients.add(client)
-  ws.on('close', () => connectedClients.delete(client))
+  ws.on('close', () => {
+    connectedClients.delete(client)
+    store.dispatch(unregisterPlayer(client.id))
+  })