ESC로 로그아웃 구현

js/FirebaseClient.js

 function FirebaseClient()
 {
     this.init();
-    this.initEvent();
+	this.initEvent();
+	
+	this.isGameStarted = false;
 }
 
 FirebaseClient.prototype.init = function()
@@ -69,6 +71,7 @@ FirebaseClient.prototype.setLogin = function()
 	.then(function()
 	{
 		game = new Phaser.Game(config);
+		fbClient.isGameStarted = true;
 	});
 	
 	document.getElementById('mainTitle').style.display = 'none';
@@ -77,7 +80,10 @@ FirebaseClient.prototype.setLogin = function()
 
 FirebaseClient.prototype.setLogOut = function()
 {
-
+	if (game != null) game.destroy(true);
+	this.isGameStarted = false;
+	document.getElementById('mainTitle').style.display = 'block';
+	document.getElementById('titleImg').style.display = 'block';
 }
 
 FirebaseClient.prototype.onEmailBtnClick = function()
@@ -235,10 +241,15 @@ FirebaseClient.prototype.updateUserData = function(key, valueChanged, replace =
 
 document.addEventListener('DOMContentLoaded', function()
 {
-    window.fbClient = new FirebaseClient();
+	window.fbClient = new FirebaseClient();
     console.log('done load');
 });
 
+document.onkeydown = function(e)
+{
+	if (fbClient.isGameStarted && e.keyCode === 27) fbClient.logOut();
+}
+
 class UserData
 {
     constructor()