done things

es/game.js

 		});
 
 		sock.on("set", (msg) => {
-			console.log(msg);
 			if (!this.entities[msg.id])
 				this.entities[msg.id] = createEntity(msg);
 			else
 
 		this.raf = window.requestAnimationFrame(this.update.bind(this));
 	}
+
+	stop() {
+		window.cancelAnimationFrame(this.raf);
+	}
 }

es/script.js

 
 document.querySelector("#startGameBtn").addEventListener("click", () => {
 	view("game");
-	let sock = new SockSugar("ws://localhost:8081");
+	let sock = new SockSugar("ws://serve.mort.coffee:89");
 	let game = new Game(sock, document.getElementById("canvas"));
+
+	sock.on("close", () => {
+		alert("Server closed.");
+		game.stop();
+	});
 });