merge super tiles

js/game_manager.js

@@ -8,23 +8,39 @@ function GameManager(size, InputManager, Actuator, ScoreManager) {
 
   this.inputManager.on("move", this.move.bind(this));
   this.inputManager.on("restart", this.restart.bind(this));
+  this.inputManager.on("keepPlaying", this.keepPlaying.bind(this));
 
   this.setup();
 }
 
 // Restart the game
 GameManager.prototype.restart = function () {
-  this.actuator.restart();
+  this.actuator.continue();
   this.setup();
 };
 
+// Keep playing after winning
+GameManager.prototype.keepPlaying = function () {
+  this.keepPlaying = true;
+  this.actuator.continue();
+};
+
+GameManager.prototype.isGameTerminated = function () {
+  if (this.over || (this.won && !this.keepPlaying)) {
+    return true;
+  } else {
+    return false;
+  }
+};
+
 // Set up the game
 GameManager.prototype.setup = function () {
-  this.grid         = new Grid(this.size);
+  this.grid        = new Grid(this.size);
 
-  this.score        = 0;
-  this.over         = false;
-  this.won          = false;
+  this.score       = 0;
+  this.over        = false;
+  this.won         = false;
+  this.keepPlaying = false;
 
   // Add the initial tiles
   this.addStartTiles();
@@ -57,10 +73,11 @@ GameManager.prototype.actuate = function () {
   }
 
   this.actuator.actuate(this.grid, {
-    score:     this.score,
-    over:      this.over,
-    won:       this.won,
-    bestScore: this.scoreManager.get()
+    score:      this.score,
+    over:       this.over,
+    won:        this.won,
+    bestScore:  this.scoreManager.get(),
+    terminated: this.isGameTerminated()
   });
 
 };
@@ -87,7 +104,7 @@ GameManager.prototype.move = function (direction) {
   // 0: up, 1: right, 2:down, 3: left
   var self = this;
 
-  if (this.over || this.won) return; // Don't do anything if the game's over
+  if (this.isGameTerminated()) return; // Don't do anything if the game's over
 
   var cell, tile;
 

js/html_actuator.js

@@ -25,15 +25,23 @@ HTMLActuator.prototype.actuate = function (grid, metadata) {
     self.updateScore(metadata.score);
     self.updateBestScore(metadata.bestScore);
 
-    if (metadata.over) self.message(false); // You lose
-    if (metadata.won) self.message(true); // You win!
+    if (metadata.terminated) {
+      if (metadata.over) {
+        self.message(false); // You lose
+      } else if (metadata.won) {
+        self.message(true); // You win!
+      }
+    }
+
   });
 };
 
-HTMLActuator.prototype.restart = function () {
+// Continues the game (both restart and keep playing)
+HTMLActuator.prototype.continue = function () {
   if (typeof ga !== "undefined") {
     ga("send", "event", "game", "restart");
   }
+
   this.clearMessage();
 };
 
@@ -49,10 +57,13 @@ HTMLActuator.prototype.addTile = function (tile) {
   var wrapper   = document.createElement("div");
   var inner     = document.createElement("div");
   var position  = tile.previousPosition || { x: tile.x, y: tile.y };
-  positionClass = this.positionClass(position);
+  var positionClass = this.positionClass(position);
 
   // We can't use classlist because it somehow glitches when replacing classes
   var classes = ["tile", "tile-" + tile.value, positionClass];
+
+  if (tile.value > 2048) classes.push("tile-super");
+
   this.applyClasses(wrapper, classes);
 
   inner.classList.add("tile-inner");

js/keyboard_input_manager.js

@@ -53,10 +53,14 @@ KeyboardInputManager.prototype.listen = function () {
     }
   });
 
-  var retry = document.getElementsByClassName("retry-button")[0];
+  var retry = document.querySelector(".retry-button");
   retry.addEventListener("click", this.restart.bind(this));
   retry.addEventListener("touchend", this.restart.bind(this));
 
+  var keepPlaying = document.querySelector(".keep-playing-button");
+  keepPlaying.addEventListener("click", this.keepPlaying.bind(this));
+  keepPlaying.addEventListener("touchend", this.keepPlaying.bind(this));
+
   // Listen to swipe events
   var touchStartClientX, touchStartClientY;
   var gameContainer = document.getElementsByClassName("game-container")[0];
@@ -93,3 +97,8 @@ KeyboardInputManager.prototype.restart = function (event) {
   event.preventDefault();
   this.emit("restart");
 };
+
+KeyboardInputManager.prototype.keepPlaying = function (event) {
+  event.preventDefault();
+  this.emit("keepPlaying");
+};

js/local_score_manager.js

@@ -19,12 +19,25 @@ window.fakeStorage = {
 };
 
 function LocalScoreManager() {
-  var localSupported = !!window.localStorage;
-
   this.key     = "bestScore";
-  this.storage = localSupported ? window.localStorage : window.fakeStorage;
+
+  var supported = this.localStorageSupported();
+  this.storage = supported ? window.localStorage : window.fakeStorage;
 }
 
+LocalScoreManager.prototype.localStorageSupported = function () {
+  var testKey = "test";
+  var storage = window.localStorage;
+
+  try {
+    storage.setItem(testKey, "1");
+    storage.removeItem(testKey);
+    return true;
+  } catch (error) {
+    return false;
+  }
+};
+
 LocalScoreManager.prototype.get = function () {
   return this.storage.getItem(this.key) || 0;
 };