天空盒和相机

.h文件：

#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"

class HelloWorld : public cocos2d::Layer
{
public:
    static cocos2d::Scene* createScene();
	cocos2d::Skybox*   _skyBox;
	cocos2d::Camera *_camera;
	//Node* _worldScene;
    virtual bool init();
    
    // a selector callback
    void menuCloseCallback(cocos2d::Ref* pSender);

	cocos2d::TextureCube*   _textureCube;
	
    // implement the "static create()" method manually
    CREATE_FUNC(HelloWorld);
};

#endif // __HELLOWORLD_SCENE_H__

.cpp文件：

#include "HelloWorldScene.h"

USING_NS_CC;

Scene* HelloWorld::createScene()
{
    // 'scene' is an autorelease object
    auto scene = Scene::create();
    
    // 'layer' is an autorelease object
    auto layer = HelloWorld::create();

    // add layer as a child to scene
    scene->addChild(layer);

    // return the scene
    return scene;
}




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

	// create skybox
	//create and set our custom shader
	auto shader = GLProgram::createWithFilenames("Sprite3DTest/cube_map.vert",
		"Sprite3DTest/cube_map.frag");
	auto state = GLProgramState::create(shader);

	// create the second texture for cylinder
	_textureCube = TextureCube::create("Sprite3DTest/skybox/left.jpg",
		"Sprite3DTest/skybox/right.jpg",
		"Sprite3DTest/skybox/top.jpg",
		"Sprite3DTest/skybox/bottom.jpg",
		"Sprite3DTest/skybox/front.jpg",
		"Sprite3DTest/skybox/back.jpg");
	//set texture parameters
	Texture2D::TexParams tRepeatParams;
	tRepeatParams.magFilter = GL_LINEAR;
	tRepeatParams.minFilter = GL_LINEAR;
	tRepeatParams.wrapS = GL_MIRRORED_REPEAT;
	tRepeatParams.wrapT = GL_MIRRORED_REPEAT;
	_textureCube->setTexParameters(tRepeatParams);

	// pass the texture sampler to our custom shader
	state->setUniformTexture("u_cubeTex", _textureCube);

	// add skybox
	_skyBox = Skybox::create();
	_skyBox->setTexture(_textureCube);
	_skyBox->setScale(700.f);//700.f
	this->addChild(_skyBox);
	_skyBox->setCameraMask((unsigned short)CameraFlag::USER1);
	//_skyBox->setPosition3D(Vec3(0, -15, -50));
	//_skyBox->setRotation3D(Vec3(-90, 0, 0));

	Size size = Director::getInstance()->getWinSize();
	_camera = Camera::createPerspective(30.0f, size.width / size.height, 1.0f, 1000.0f);
	_camera->setPosition3D(Vec3(size.width / 2, size.height / 2, 100.0f));
	_camera->lookAt(Vec3(-10000.0f, 6000.0f, 0.0f), Vec3(0.0f, 1.0f,0.0f));
	_camera->setCameraFlag(CameraFlag::USER1);
	this->addChild(_camera);

    Size 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));
    
	closeItem->setPosition(Vec2(origin.x + visibleSize.width - closeItem->getContentSize().width/2 ,
                                origin.y + closeItem->getContentSize().height/2));

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

	/////



	//addChild(_skyBox);
    /////////////////////////////
    // 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);
    
    // 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");

    // 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);
    
    return true;
}


void HelloWorld::menuCloseCallback(Ref* pSender)
{
    Director::getInstance()->end();
	//Application::getInstance()->openURL("http://blog.csdn.net/anzhongliu?viewmode=contents");
#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
    exit(0);
#endif
}

效果：