用cocos2d-x 3.2 实现的FlappyBird

标签：cocos2d-x   3.2   flappy bird   碰撞   物理引擎   

最近才开始学cocos2dx，买了几本书还有看大神（主要是 笨木头）的博客。今天受了一位朋友的启发（挑战），就自己尝试用cocos2d-x实现了一下...

（新手，勿喷...）

先看运行效果 http://pan.baidu.com/s/1hqBsCYS

转载请注明出处：http://blog.csdn.net/joueu

你看那只笨鸟好逼真啊（其实是叫FlappyRect啦）

TollgateScene.cpp

//
//  TollgateScene.cpp
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#include "TollgateScene.h"
#include "Pipe.h"
#include "shareHeader.h"
#include "MenuScene.h"

bool TollgateScene::init()
{
    if (!Layer::init()) {
        return false;
    }
    
    createOprUI();
    
    
    Size visibleSize = Director::getInstance() -> getVisibleSize();
    Point visiblePoint = Director::getInstance() -> getVisibleOrigin();
    m_bird = Bird::create();
    m_bird -> setPosition(visibleSize.width * 0.2f, visibleSize.height * 0.5f);
    this -> addChild(m_bird);
    
    m_pipesLayer = PipesLayer ::create();
    m_pipesLayer -> setPosition(0, 170);
    this -> addChild(m_pipesLayer);
    
    schedule(schedule_selector(TollgateScene::logic));
    
//    auto contactListener = EventListenerPhysicsContact::create();
//    contactListener -> onContactBegin = CC_CALLBACK_1(TollgateScene::onContactBegin, this);
//    _eventDispatcher -> addEventListenerWithSceneGraphPriority(contactListener, this);
    
    auto contactListener = EventListenerPhysicsContact::create();
    contactListener -> onContactBegin = CC_CALLBACK_1(TollgateScene::onContactBegin, this);
    _eventDispatcher -> addEventListenerWithSceneGraphPriority(contactListener, this);

    return true;
}

void TollgateScene::createOprUI()
{
    Node *UI = timeline::NodeReader::getInstance() -> loadNodeWithFile("Flappy_1.ExportJson");
    m_flyBtn = (Button *)Helper::seekWidgetByName((Widget *)UI, "flyBtn");
    m_flyBtn -> addTouchEventListener(this, toucheventselector(TollgateScene::flyBtnPressed));
    
    Size btnSize = Size(640,210);
    PhysicsBody *body = PhysicsBody::createBox(btnSize);
    body -> setDynamic(false);
    body -> setCollisionBitmask(1);
    body -> setCategoryBitmask(1);
    body -> setContactTestBitmask(1);
    m_flyBtn -> setPhysicsBody(body);

//    m_bg1 = (Sprite *)Helper::seekWidgetByName((Widget *)UI, "borderImg");
    
    m_bg1 =(Sprite *) UI -> getChildren().at(2);
    m_bg2 = Sprite::create("border.png");
    m_bg2 -> setPosition(960,m_bg1 -> getPositionY());
    
    this -> addChild(m_bg2);
    this -> addChild(UI);
}

void TollgateScene::flyBtnPressed(Ref *sender,TouchEventType type)
{
    switch (type) {
        case TouchEventType::TOUCH_EVENT_ENDED:
            m_bird -> jump();
            break;
            
        default:
            break;
    }
}

Scene *TollgateScene::scene()
{
    
    Scene *scene = Scene::createWithPhysics();
    
    Vect gravity(0,-500.0f);
    
    scene -> getPhysicsWorld() -> setGravity(gravity);
    
    TollgateScene *layer = TollgateScene::create();
    
    scene -> addChild(layer);
    
    return scene;
}

void TollgateScene::logic(float dt)
{
    int PosX1 = m_bg1 -> getPositionX();
    int PosX2 = m_bg2 -> getPositionX();
    
    int iSpeed = 4;
    
    PosX1 -= iSpeed;
    PosX2 -= iSpeed;
    
    int visibleWidth = Director::getInstance() -> getVisibleSize().width;
    
    if (PosX1 < - 0.5f * visibleWidth) {
        PosX2 = 0.5f * visibleWidth;
        PosX1 = 1.5f * visibleWidth;
    }
    if (PosX2 < -0.5f * visibleWidth) {
        PosX1 = 0.5f * visibleWidth;
        PosX2 = 1.5f * visibleWidth;
    }
    
    m_bg1 -> setPositionX(PosX1);
    m_bg2 -> setPositionX(PosX2);
}

TollgateScene::~TollgateScene()
{
    
}

bool TollgateScene::onContactBegin(PhysicsContact &contact)
{
    auto nodeA =(Sprite *) contact.getShapeA() -> getBody() -> getNode();
    auto nodeB = (Sprite *)contact.getShapeB() -> getBody() -> getNode();
    
    if (nodeA == NULL && nodeB == NULL) {
        return false;
    }
    
    if ((nodeA -> getTag() == shareHeader_BirdTag && nodeB -> getTag() == shareHeader_PipeTag) ||
        (nodeA -> getTag() == shareHeader_PipeTag && nodeB -> getTag() == shareHeader_BirdTag)) {
        Director::getInstance() -> replaceScene(TransitionSlideInT::create(1.0f,MenuScene::scene()));
    }
    return true;
}

void TollgateScene::onExit()
{
    Layer :: onExit();
    _eventDispatcher -> removeEventListenersForTarget(this);
}

TollgateScene.h

//
//  TollgateScene.h
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#ifndef __FlappyRect__TollgateScene__
#define __FlappyRect__TollgateScene__

#include "cocos2d.h"
#include "cocostudio/Cocostudio.h"
#include "editor-support/cocostudio/CCSGUIReader.h"
#include "ui/CocosGUI.h"
#include "Bird.h"
#include "PipesLayer.h"

using namespace cocos2d::ui;
using namespace cocostudio;
USING_NS_CC;

class TollgateScene : public Layer
{
public:
    CREATE_FUNC(TollgateScene);
    
    virtual bool init();
    
    static Scene *scene();
    
    ~TollgateScene();
    virtual void onExit() override;
private:
    void flyBtnPressed(Ref *sender,TouchEventType type);
    void createOprUI();
    Button *m_flyBtn;
    Bird *m_bird;
    void logic(float dt);
    
    Sprite *m_bg1;
    Sprite *m_bg2;
    
    PipesLayer *m_pipesLayer;
    
    bool onContactBegin (PhysicsContact &contact);
};

#endif /* defined(__FlappyRect__TollgateScene__) */

PipesLayer.cpp

//
//  PipesLayer.cpp
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#include "PipesLayer.h"

PipesLayer::PipesLayer()
{
    
}


PipesLayer::~PipesLayer()
{
    
}

bool PipesLayer::init()
{
//    srand(time(0));
    m_TimeCount = 0;
    schedule(schedule_selector(PipesLayer::logic));
    return true;
}


int gameRand(int vMin,int vMax){
    return (2.0f*random() / 0xFFFFFFFFu) * ((vMax+1)-vMin) + vMin;
}

void PipesLayer::logic(float dt)
{
    Size visibleSize = Director::getInstance() -> getVisibleSize();
    m_TimeCount += dt;
    if (m_TimeCount > 4)
    {
//        log("%d",rand() % 700);
//        int randomPosition = rand() % 700;
        int randomPosition = gameRand(80, 600);

        m_TimeCount -= 4;
        Pipe *pipe = Pipe::create(randomPosition);
        pipe -> setPosition(Vec2(visibleSize.width * 1.5f, this -> getContentSize().height * 0.5f));
        this -> addChild(pipe);
        m_vector.pushBack(pipe);
    }

    for (Pipe *p : m_vector){
        p -> setPositionX(p -> getPositionX() - shareHeader_speed);
        if (p -> getPositionX() < -visibleSize.width * 0.5) {
            m_vector.eraseObject(p);
//            p -> getPhysicsBody() -> removeFromWorld();
            p -> removeFromParent();
        }
    }
}

//
//  PipesLayer.h
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#ifndef __FlappyRect__PipesLayer__
#define __FlappyRect__PipesLayer__

#include "cocos2d.h"
#include "Pipe.h"
#include "shareHeader.h"
USING_NS_CC;

class PipesLayer:public Node
{
public:
    PipesLayer();
    ~PipesLayer();
    virtual bool init();
    CREATE_FUNC(PipesLayer);
    void logic(float dt);

private:
    float m_TimeCount;
    Vector<Pipe *>m_vector;
};

#endif /* defined(__FlappyRect__PipesLayer__) */

//
//  Bird.cpp
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#include "Bird.h"
#include "shareHeader.h"
Bird::Bird()
{
    
}

Bird::~Bird()
{
    
}

bool Bird::init()
{
    
    if (!Layer::init()) {
        return false;
    }
    this -> setTag(shareHeader_BirdTag);
    Sprite *sprite = Sprite::create("rect.jpg");
    
    Size spriteSize = sprite -> getContentSize();
    
    this -> setContentSize(spriteSize);
    
    PhysicsBody *body = PhysicsBody::createBox(spriteSize);
    
//    body -> setDynamic(false);
//    body -> setRotationEnable(false);
    body -> setCategoryBitmask(1);
    body -> setCollisionBitmask(1);
    body -> setContactTestBitmask(1);
    
    this -> setPhysicsBody(body);
    this -> addChild(sprite);
    
    return true;
}

void Bird::jump()
{
//    this -> getPhysicsBody() -> applyImpulse(Vect(0,100000));
    this -> getPhysicsBody() -> setVelocity(Vect(0,300));
}

Brid.h

//
//  Bird.h
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#ifndef __FlappyRect__Bird__
#define __FlappyRect__Bird__

#include "cocos2d.h"

USING_NS_CC;

class Bird : public Layer
{
public:
    Bird();
    ~Bird();
    CREATE_FUNC(Bird);
    virtual bool init();
    void jump();
};

#endif /* defined(__FlappyRect__Bird__) */

Pipe.cpp

<pre name="code" class="cpp">//
//  Pipe.cpp
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#include "Pipe.h"
#include "shareHeader.h"

bool Pipe::init(int randomPosition)
{
    m_lowerPipe = Sprite::create("pipe.png");
    float pipeHeight = m_lowerPipe -> getContentSize().height;
    float pipeWidth = m_lowerPipe -> getContentSize().width;
    m_lowerPipe -> setScaleY( (randomPosition) / pipeHeight);
    m_lowerPipe -> setPosition(Vec2(pipeWidth * 0.5f, pipeHeight * 0.5f *m_lowerPipe -> getScaleY()));
    this -> setContentSize(Size(pipeWidth,shareHeader_gameSceneHeight));
    
    m_lowerPipe -> setTag(shareHeader_PipeTag);

    m_upperPipe = Sprite::create("pipe.png");
    m_upperPipe -> setScaleY((shareHeader_gameSceneHeight - (m_lowerPipe -> getScaleY() * pipeHeight) - shareHeader_emptyHeight)/ pipeHeight);
    m_upperPipe -> setPosition(Vec2(pipeWidth * 0.5f,shareHeader_gameSceneHeight - pipeHeight * m_upperPipe -> getScaleY() * 0.5));
    m_upperPipe -> setFlippedY(true);
    m_upperPipe -> setTag(shareHeader_PipeTag);
    
    PhysicsBody *lowerbody = PhysicsBody::createBox(Size(pipeWidth,pipeHeight *m_lowerPipe -> getScaleY()));
    lowerbody -> setDynamic(false);
    lowerbody -> setCategoryBitmask(1);
    lowerbody -> setCollisionBitmask(1);
    lowerbody -> setContactTestBitmask(1);
    m_lowerPipe -> setPhysicsBody(lowerbody);
    
    PhysicsBody *upperbody = PhysicsBody::createBox(Size(pipeWidth,pipeHeight *m_upperPipe -> getScaleY()));
    upperbody -> setDynamic(false);
    upperbody -> setCategoryBitmask(1);
    upperbody -> setCollisionBitmask(1);
    upperbody -> setContactTestBitmask(1);
    m_upperPipe -> setPhysicsBody(upperbody);
    
    this -> addChild(m_upperPipe);
    this -> addChild(m_lowerPipe);
    return true;
}

Pipe *Pipe::create(int randomPosition)
{
    auto pipe = new Pipe();
    if (pipe && pipe -> init(randomPosition)) {
        pipe -> autorelease();
    }else
    {
        CC_SAFE_DELETE(pipe);
    }
    return pipe;
}

Pipe::~Pipe()
{
}

Pipe.h

//
//  Pipe.h
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#ifndef __FlappyRect__Pipe__
#define __FlappyRect__Pipe__

#include "cocos2d.h"

USING_NS_CC;

class Pipe: public Node
{
public:
    static Pipe*create(int randomPosition);
    bool init(int randomPosition);
    ~Pipe();
private:
    Sprite *m_upperPipe;
    Sprite *m_lowerPipe;
};

#endif /* defined(__FlappyRect__Pipe__) */

MenuScene.cpp

//
//  MenuScene.cpp
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#include "MenuScene.h"
#include "TollgateScene.h"

bool MenuScene::init()
{
    auto visibleSize = Director :: getInstance() -> getVisibleSize();
    auto labelStart = Label::create("Start Game", "Monaco", 40);
    MenuItemLabel *label = MenuItemLabel::create(labelStart,CC_CALLBACK_1(MenuScene::labelPressed, this));
    auto menu = Menu::create(label, NULL);
    this -> addChild(menu);
    return true;
}

Scene *MenuScene::scene()
{
    Scene *scene = Scene::create();
    
    MenuScene *layer = MenuScene::create();
    
    scene -> addChild(layer);
    
    return scene;
}

void MenuScene::labelPressed(Ref *sender)
{
    Director::getInstance() -> replaceScene(TransitionFade::create(1.0f, TollgateScene::scene()));
}

MenuScene.h

//
//  MenuScene.h
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#ifndef __FlappyRect__MenuScene__
#define __FlappyRect__MenuScene__

#include "cocos2d.h"

USING_NS_CC;

class MenuScene :public Layer
{
public:
    CREATE_FUNC(MenuScene);
    virtual bool init();
    static Scene *scene();
private:
    void labelPressed(Ref *sender);
};

#endif /* defined(__FlappyRect__MenuScene__) */

shareHeader.h

//
//  shareHeader.h
//  FlappyRect
//
//  Created by Joueu on 14-10-7.
//
//

#ifndef FlappyRect_shareHeader_h
#define FlappyRect_shareHeader_h

#define shareHeader_bottomHeight 170
#define shareHeader_gameSceneHeight 960
#define shareHeader_emptyHeight 250
#define shareHeader_speed 3
#define shareHeader_BirdTag 1001
#define shareHeader_PipeTag 1002

#endif

AppDelegate.cpp

#include "AppDelegate.h"
#include "HelloWorldScene.h"
#include "TollgateScene.h"
#include "MenuScene.h"
USING_NS_CC;

AppDelegate::AppDelegate() {

}

AppDelegate::~AppDelegate() 
{
}

bool AppDelegate::applicationDidFinishLaunching() {
    // initialize director
    auto director = Director::getInstance();
    auto glview = director->getOpenGLView();
    if(!glview) {
        glview = GLView::create("My Game");
        director->setOpenGLView(glview);
    }

    glview -> setDesignResolutionSize(640, 1136, ResolutionPolicy::EXACT_FIT);
    // turn on display FPS
    director->setDisplayStats(true);

    // set FPS. the default value is 1.0/60 if you don't call this
    director->setAnimationInterval(1.0 / 60);

    // create a scene. it's an autorelease object
//    auto scene = HelloWorld::createScene();
    auto scene = MenuScene::scene();

    // run
    director->runWithScene(scene);

    return true;
}

// This function will be called when the app is inactive. When comes a phone call,it's be invoked too
void AppDelegate::applicationDidEnterBackground() {
    Director::getInstance()->stopAnimation();

    // if you use SimpleAudioEngine, it must be pause
    // SimpleAudioEngine::getInstance()->pauseBackgroundMusic();
}

// this function will be called when the app is active again
void AppDelegate::applicationWillEnterForeground() {
    Director::getInstance()->startAnimation();

    // if you use SimpleAudioEngine, it must resume here
    // SimpleAudioEngine::getInstance()->resumeBackgroundMusic();
}

图片资源在这里：图片资源

用cocos2d-x 3.2 实现的FlappyBird

标签：cocos2d-x   3.2   flappy bird   碰撞   物理引擎   

原文地址：http://blog.csdn.net/joueu/article/details/39876807