Flappy Bird cocos2dx源码

#include "cocos2d.h" #include "FlyBirdGame.h" #include "resource.h"; USING_NS_CC; using namespace std; Scene* FlyBirdGame::createScene() { auto scene = Scene::create(); auto layer = FlyBirdGame::create(); scene->addChild(layer); return scene; } bool FlyBirdGame::init() { if (!Layer::init()) { return false; } initUI(); return true; } void FlyBirdGame::initUI() { // win size auto winSize = Director::getInstance()->getVisibleSize(); // game bg auto bg = Sprite::create(bird_bg); bg->setPosition(winSize.width / 2, winSize.height / 2); bg->setScale(winSize.width / bg->getContentSize().width, winSize.height / bg->getContentSize().height); this->addChild(bg); // logo auto logo = Sprite::create(bird_logo); logo->setPosition(ccp(winSize.width / 2, winSize.height / 2 + logo->getContentSize().height * 2)); logo->setTag(TAG_LOGO); this->addChild(logo, 1); // over logo auto overLogo = Sprite::create(bird_gameover); overLogo->setPosition(ccp(winSize.width / 2, winSize.height / 2 + overLogo->getContentSize().height)); overLogo->setTag(TAG_OVER); overLogo->setVisible(false); this->addChild(overLogo, 1); // start btn auto startBtn = MenuItemImage::create(bird_start_btn, bird_start_btn_pressed, CC_CALLBACK_1(FlyBirdGame::gameStart, this)); auto menu = Menu::create(startBtn, NULL); menu->setTag(TAG_START_BTN); this->addChild(menu); // hero auto hero = Sprite::create(bird_hero); hero->setPosition(winSize.width / 3, winSize.height*0.8); hero->setVisible(false); hero->setTag(TAG_HERO); this->addChild(hero, 1); Animation* an = Animation::create(); an->addSpriteFrameWithFileName(bird_hero); an->addSpriteFrameWithFileName(bird_hero2); an->addSpriteFrameWithFileName(bird_hero3); an->setDelayPerUnit(0.5f / 3.0f); an->setLoops(-1); Animate* anim = Animate::create(an); hero->runAction(anim); // score auto score = LabelBMFont::create("0", "fonts/futura-48.fnt"); score->setPosition(Point(winSize.width / 2, winSize.height / 4 * 3)); addChild(score, 1); score->setVisible(false); score->setTag(TAG_SCORE); // Obstacle obstacle = new Obstacle(); this->addChild(obstacle); // update scheduleUpdate(); // touch auto dispatcher = Director::getInstance()->getEventDispatcher(); auto listener = EventListenerTouchAllAtOnce::create(); listener->onTouchesEnded = CC_CALLBACK_2(FlyBirdGame::onTouchesEnded, this); listener->onTouchesBegan = CC_CALLBACK_2(FlyBirdGame::onTouchesBegan, this); dispatcher->addEventListenerWithSceneGraphPriority(listener, this); // init status GAME_STATUS = GAME_STATUS_START; } void FlyBirdGame::gameStart(Object* pSender) { this->getChildByTag(TAG_START_BTN)->setVisible(false); this->getChildByTag(TAG_LOGO)->setVisible(false); this->getChildByTag(TAG_SCORE)->setVisible(true); this->getChildByTag(TAG_HERO)->setVisible(true); obstacle->GAME_STATUS = GAME_STATUS_PLAYING; GAME_STATUS = GAME_STATUS_PLAYING; isFlying = false; score = 0; velocity = -3; } void FlyBirdGame::update(float time) { auto winSize = Director::getInstance()->getVisibleSize(); auto hero = this->getChildByTag(TAG_HERO); Rect rHero = ((Sprite*)hero)->getBoundingBox(); CCLog("time=%f", time); switch (GAME_STATUS) { case GAME_STATUS_PLAYING: obstacle->update(); // update bird positionY if (hero->getPositionY() > 0 && hero->getPositionY() < winSize.height) { velocity -= gravity; hero->setPositionY(hero->getPositionY() + velocity); } //if (isFlying&&hero->getPositionY() < winSize.height) //{ // hero->setPositionY(hero->getPositionY() + velocity); //} //else if (hero->getPositionY()>0) //{ // hero->setPositionY(hero->getPositionY() - velocity); //} //check collision for (int i = 0; i < obstacle->obstacleList->count(); i++) { Sprite* obstacleSprite = (Sprite*)obstacle->obstacleList->getObjectAtIndex(i); bool pia = rHero.intersectsRect(obstacleSprite->getBoundingBox()); if (pia == true) { GAME_STATUS = GAME_STATUS_GAME_OVER; break; } int oPosX = obstacleSprite->getPositionX() + obstacleSprite->getContentSize().width / 2; int heroX = hero->getPositionX() - hero->getContentSize().width; if (oPosX == heroX) { score++; auto scoreSprite = (LabelBMFont*)this->getChildByTag(TAG_SCORE); String* s = String::createWithFormat("%d", score / 2); scoreSprite->setString(s->getCString()); } } break; case GAME_STATUS_GAME_OVER: this->getChildByTag(TAG_OVER)->setVisible(true); break; case GAME_STATUS_RESTART: //reset game obstacle->removeAllChildren(); obstacle->obstacleList->removeAllObjects(); // reset hero hero->setPosition(winSize.width / 5, winSize.height*0.8); hero->setVisible(false); // show btn this->getChildByTag(TAG_START_BTN)->setVisible(true); // show logo this->getChildByTag(TAG_LOGO)->setVisible(true); // hide over log this->getChildByTag(TAG_OVER)->setVisible(false); // hide score this->getChildByTag(TAG_SCORE)->setVisible(false); break; } } void FlyBirdGame::onTouchesEnded(const vector<Touch*>& touches, Event* event) { Touch* touch = touches[0]; Point location = touch->getLocation(); if (GAME_STATUS == GAME_STATUS_PLAYING) { isFlying = false; } } void FlyBirdGame::onTouchesBegan(const vector<Touch*>& touches, Event* event) { Touch* touch = touches[0]; Point location = touch->getLocation(); if (GAME_STATUS == GAME_STATUS_PLAYING) { CCLog("GAME_STATUS_PLAYING"); isFlying = true; velocity = 5; } else if (GAME_STATUS == GAME_STATUS_GAME_OVER) { GAME_STATUS = GAME_STATUS_RESTART; CCLog("GAME_STATUS_GAME_OVER"); } } Rect FlyBirdGame::spriteRect(Sprite* s) { Point pos = s->getPosition(); Size cs = s->getContentSize(); return CCRectMake(pos.x - cs.width / 2, pos.y - cs.height / 2, cs.width, cs.height / 2); }