[nacltoons] Add initial frontend and physics game scenes.

nacltoons/src/FrontEnd.cc

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+#include "FrontEnd.h"
+#include "GameplayScene.h"
+
+USING_NS_CC;
+
+CCScene* FrontEnd::scene() {
+  CCScene* scene = CCScene::create();
+  CCLayer* frontend = FrontEnd::create();
+  scene->addChild(frontend);
+  return scene;
+}
+
+void FrontEnd::StartGame(CCObject* sender) {
+  CCLog("StartGame pressed");
+  CCTransitionScene* transition;
+  CCDirector* director = CCDirector::sharedDirector();
+
+  // transition to a new Gameplay scene.
+  CCScene* scene = Gameplay::scene();
+  director->setDepthTest(true);
+  transition = CCTransitionPageTurn::create(1.0f, scene, false);
+  director->pushScene(transition);
+}
+
+bool FrontEnd::init() {
+  if (!CCLayerColor::initWithColor(ccc4(0, 0xD8, 0x8F, 0xD8)))
+    return false;
+
+  setTouchEnabled(true);
+
+  // Create and position the menu.
+  CCLabelTTF* start_label = CCLabelTTF::create("Start Game", "Arial.ttf", 24);
+
+  CCMenuItemLabel* start = CCMenuItemLabel::create(start_label,
+      this, menu_selector(FrontEnd::StartGame));
+
+  CCMenu* menu = CCMenu::create(start, NULL);
+  addChild(menu);
+
+  // Position Menu
+  CCSize visibleSize = CCDirector::sharedDirector()->getVisibleSize();
+  CCPoint origin = CCDirector::sharedDirector()->getVisibleOrigin();
+  menu->alignItemsVertically();
+  float xpos = origin.x + visibleSize.width/2;
+  float ypos = origin.y + visibleSize.height/2;
+  menu->setPosition(ccp(xpos, ypos));
+  return true;
+}