Code snippet 27 - For multiplayer space invaders article

script.js

explodeAndKill(deadPlayerId) {
  this.avatars[deadPlayerId].disableBody(true, true);
  let explosion = new Explosion(
    this,
    this.avatars[deadPlayerId].x,
    this.avatars[deadPlayerId].y
  );
  delete this.avatars[deadPlayerId];
  document.getElementById("join-leave-updates").innerHTML =
    players[deadPlayerId].nickname + " died";
  setTimeout(() => {
    document.getElementById("join-leave-updates").innerHTML = "";
  }, 2000);
}

publishMyInput() {
  if (Phaser.Input.Keyboard.JustDown(this.cursorKeys.left) && amIalive) {
    myChannel.publish("pos", {
      keyPressed: "left",
    });
  } else if (
    Phaser.Input.Keyboard.JustDown(this.cursorKeys.right) &&
    amIalive
  ) {
    myChannel.publish("pos", {
      keyPressed: "right",
    });
  }
}

createBullet(bulletObject) {
  let bulletId = bulletObject.id;
  this.visibleBullets[bulletId].bulletSprite = this.physics.add
    .sprite(this.ship.x - 8, bulletObject.y, "bullet")
    .setOrigin(0.5, 0.5);

  //add an overlap callback if the current player is still alive
  if (amIalive) {
    if (
      this.physics.add.overlap(
        this.visibleBullets[bulletId].bulletSprite,
        this.avatars[myClientId],
        this.publishMyDeathNews,
        null,
        this
      )
    ) {
      bulletThatShotMe = bulletId;
    }
  }
}