Ship Multiplayer
Games
Faster

import { Room, Client } from "colyseus";
import { GameState, Player } from "./GameState";

export class GameRoom extends Room {
  state = new GameState();

  messages = {
    // listen for "move" messages from clients
    move(client: Client, data: any) {
      const player = this.state.players.get(client.sessionId);
      if (player) {
        player.x = data.x;
        player.y = data.y;
      }
    },
  }

  onJoin(client: Client) {
    const player = new Player();
    this.state.players.set(client.sessionId, player);
  }

  onLeave(client: Client) {
    this.state.players.delete(client.sessionId);
  }
}

import { Client, Callbacks } from "@colyseus/sdk";

const client = new Client("https://your-server.com");
const room = await client.joinOrCreate("game_room");
const callbacks = Callbacks.get(room);

// Listen to state changes in real-time
callbacks.onAdd("players", (player, key) => {
  addSpriteForPlayer(player);

  callbacks.onChange(player, () =>
    moveSprite(key, player.x, player.y));
});

// send a message to the server
room.send("move", { x: 10, y: 20 });