Code snippet 25 - For multiplayer space invaders article

script.js

create() {
  this.avatars = {};
  this.visibleBullets = {};
  this.ship = {};
  this.cursorKeys = this.input.keyboard.createCursorKeys();

  this.anims.create({
    key: "explode",
    frames: this.anims.generateFrameNumbers("explosion"),
    frameRate: 20,
    repeat: 0,
    hideOnComplete: true,
  });

  gameRoom.subscribe("game-state", (msg) => {
    if (msg.data.gameOn) {
      gameOn = true;
      if (msg.data.shipBody["0"]) {
        latestShipPosition = msg.data.shipBody["0"];
      }
      if (msg.data.bulletOrBlank != "") {
        let bulletId = msg.data.bulletOrBlank.id;
        this.visibleBullets[bulletId] = {
          id: bulletId,
          y: msg.data.bulletOrBlank.y,
          toLaunch: true,
          bulletSprite: "",
        };
      }
      if (msg.data.killerBulletId) {
        bulletThatShotSomeone = msg.data.killerBulletId;
      }
    }
    players = msg.data.players;
    totalPlayers = msg.data.playerCount;
  });

   gameRoom.subscribe("game-over", (msg) => {
    gameOn = false;
    localStorage.setItem("totalPlayers", msg.data.totalPlayers);
    localStorage.setItem("winner", msg.data.winner);
    localStorage.setItem("firstRunnerUp", msg.data.firstRunnerUp);
    localStorage.setItem("secondRunnerUp", msg.data.secondRunnerUp);
    gameRoom.unsubscribe();
    deadPlayerCh.unsubscribe();
    myChannel.unsubscribe();
    if (msg.data.winner == "Nobody") {
      window.location.replace(BASE_SERVER_URL + "/gameover");
    } else {
      window.location.replace(BASE_SERVER_URL + "/winner");
    }
   });
}