/****************************************************************************
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 
 http://www.cocos2d-x.org
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 ****************************************************************************/

#include "HelloWorldScene.h"
#include "SimpleAudioEngine.h"

USING_NS_CC;//USING_NS_CC; 是为了使用 Cocos2d - x 的命名空间，方便直接调用相关类和方法，不用每次都写 cocos2d:: 。

Scene* HelloWorld::createScene()
{
    return HelloWorld::create();
}

// Print useful error message instead of segfaulting when files are not there.
static void problemLoading(const char* filename)
{
    printf("Error while loading: %s\n", filename);
    printf("Depending on how you compiled you might have to add 'Resources/' in front of filenames in HelloWorldScene.cpp\n");
}

// on "init" you need to initialize your instance
bool HelloWorld::init()
{
    //////////////////////////////
    // 1. super init first
    if ( !Scene::init() )
    {
        return false;
    }

    //auto visibleSize = Director::getInstance()->getVisibleSize();
    //Vec2 origin = Director::getInstance()->getVisibleOrigin();

    ///////////////////////////////
    //// 2. add a menu item with "X" image, which is clicked to quit the program
    ////    you may modify it.

    //// add a "close" icon to exit the progress. it's an autorelease object
    //auto closeItem = MenuItemImage::create(
    //                                       "CloseNormal.png",
    //                                       "CloseSelected.png",
    //                                       CC_CALLBACK_1(HelloWorld::menuCloseCallback, this));

    //if (closeItem == nullptr ||
    //    closeItem->getContentSize().width <= 0 ||
    //    closeItem->getContentSize().height <= 0)
    //{
    //    problemLoading("'CloseNormal.png' and 'CloseSelected.png'");
    //}
    //else
    //{
    //    float x = origin.x + visibleSize.width - closeItem->getContentSize().width/2;
    //    float y = origin.y + closeItem->getContentSize().height/2;
    //    closeItem->setPosition(Vec2(x,y));
    //}

    //// create menu, it's an autorelease object
    //auto menu = Menu::create(closeItem, NULL);
    //menu->setPosition(Vec2::ZERO);
    //this->addChild(menu, 1);

    ///////////////////////////////
    //// 3. add your codes below...

    //// add a label shows "Hello World"
    //// create and initialize a label

    //auto label = Label::createWithTTF("Hello World", "fonts/Marker Felt.ttf", 24);
    //if (label == nullptr)
    //{
    //    problemLoading("'fonts/Marker Felt.ttf'");
    //}
    //else
    //{
    //    // position the label on the center of the screen
    //    label->setPosition(Vec2(origin.x + visibleSize.width/2,
    //                            origin.y + visibleSize.height - label->getContentSize().height));

    //    // add the label as a child to this layer
    //    this->addChild(label, 1);
    //}

    //// add "HelloWorld" splash screen"
    //auto sprite = Sprite::create("HelloWorld.png");
    //if (sprite == nullptr)
    //{
    //    problemLoading("'HelloWorld.png'");
    //}
    //else
    //{
    //    // position the sprite on the center of the screen
    //    sprite->setPosition(Vec2(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));

    //    // add the sprite as a child to this layer
    //    this->addChild(sprite, 0);
    //}


    //getInstance()获取单例实例的方法，确保一个类只有一个全局访问点
    //获取单例实例的方法，确保一个类只有一个全局访问点
    //getVisibleSize()获取可见区域大小，返回窗口或屏幕的可见尺寸
    auto visibleSize = Director::getInstance()->getVisibleSize();
    //
    // 使用系统字体创建 Label
    // createWithSystemFont 方法参数：文字内容、字体名称、字体大小
    //Label* label = Label::createWithSystemFont("Hello World", "微软雅黑", 46);
    // 使用 TTF 字体创建 Label
    // createWithTTF 方法参数：文字内容、字体文件路径
    // （这里假设字体文件和项目资源在合适路径，比如 resource 文件夹下）、字体大小
    // 注意：实际使用要确保 "myFont.ttf" 文件存在项目资源目录，且路径正确
    //Label* label = Label::createWithTTF("My Label Text","fonts/myfont.ttf",50);
    // 
    // 简单创建 Label 方式，参数：文字内容、字体名称（系统存在的字体，如 arial）、字体大小
    //auto label = Label::create("setAnchorPoint","Felt",48);
    //auto label = Label::create("setAnchorPoint", "微软雅黑", 48);
    Label* label = Label::createWithTTF("My Label Text", "fonts/myfont.ttf", 50);
    // 在创建好 Label 后，可设置文字颜色，Cocos2d - x 中颜色用 RGB 值表示，范围 0 - 255
    //label->setTextColor(Color4B(255,0,0,255));
    // Color4B 四个参数分别是红色、绿色、蓝色、透明度（alpha），这里设置为红色，不透明
    label->setTextColor(Color4B(255, 255, 0, 255));
    // 设置文字描边效果，参数：描边颜色、描边宽度
    label->enableOutline(Color4B::BLUE,3); // 黑色描边，宽度为3
    // 这里给文字加黑色、宽度为 2 的描边，让文字在复杂背景下更清晰
    // 设置文字阴影，参数：阴影颜色、阴影偏移量（x 方向、y 方向）、模糊半径
    label->enableShadow(Color4B(255, 0, 0, 128), Size(-4, -6), 5);
    // 这里设置黑色、半透明阴影，向右下偏移 (2, -2) ，模糊半径 5，让文字有立体效果

    // 设置锚点，ANCHOR_MIDDLE 表示锚点在中心，这样设置位置时更方便让 Label 居中显示等
    label->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
    //设置 Label 位置在屏幕正中心，visibleSize.width / 2 是水平方向中心，visibleSize.height / 2 是垂直方向中心
    //label->setPosition(Vec2(visibleSize/2));
    label->setPosition(Vec2(visibleSize.width/2, visibleSize.height/2));
    // 将 Label 添加到当前场景（HelloWorld 场景）中，这样才能显示出来
    this -> addChild(label);

    return true;
}


void HelloWorld::menuCloseCallback(Ref* pSender)
{
    //Close the cocos2d-x game scene and quit the application
    Director::getInstance()->end();

    /*To navigate back to native iOS screen(if present) without quitting the application  ,do not use Director::getInstance()->end() as given above,instead trigger a custom event created in RootViewController.mm as below*/

    //EventCustom customEndEvent("game_scene_close_event");
    //_eventDispatcher->dispatchEvent(&customEndEvent);


}

以下是对上述学习笔记教程中出现的英文单词进行的汉字音译和意思整理：

编程相关类、方法及参数等

其他词汇

这些音译仅为辅助记忆和方便阅读发音，实际在编程交流中，更推荐使用英文原文进行表达 。