cocos2dx 3.0 FlappyBird改编版源码 zozuonodie

#include "PlayScene.h" USING_NS_CC; Scene* PlayScene::createScene() { // 'scene' is an autorelease object auto scene = Scene::createWithPhysics(); scene->getPhysicsWorld()->setDebugDrawMask(PhysicsWorld::DEBUGDRAW_ALL); //添加重力场 scene->getPhysicsWorld()->setGravity(Vec2(0, -200)); // 'layer' is an autorelease object auto layer = PlayScene::create(); //绑定重力场 layer->setPhysicWorld(scene->getPhysicsWorld()); // add layer as a child to scene scene->addChild(layer); // return the scene return scene; } // on "init" you need to initialize your instance bool PlayScene::init() { ////////////////////////////// // 1. super init first if ( !Layer::init() ) { return false; } //播撒随机种子 srand(time(NULL)); Size visibleSize = Director::getInstance()->getVisibleSize(); Vec2 origin = Director::getInstance()->getVisibleOrigin(); winSize = Director::getInstance()->getWinSize(); /*gameLayer = Layer::create(); this->addChild(gameLayer);*/ land1 = Sprite::create("land.png"); land1->setAnchorPoint(Vec2(0, 0)); land1->setPosition(Vec2::ZERO); this->addChild(land1); auto width = land1->getContentSize().width; land2 = Sprite::create("land.png"); land2->setAnchorPoint(Vec2(0, 0)); land2->setPosition(Vec2(width, 0)); this->addChild(land2); birdSprite = Sprite::create("bird_0.png"); birdSprite->setPosition(visibleSize.width / 4, visibleSize.height / 2); //为小鸟绑定刚体 auto birdBody = PhysicsBody::createBox(birdSprite->getContentSize()); birdBody->setDynamic(true); birdBody->setContactTestBitmask(1); birdBody->setRotationEnable(true); //birdBody->setGravityEnable(true); birdSprite->setPhysicsBody(birdBody); auto animate = Animate::create(createAnimation("bird", 3, 0.1)); auto flyAction = RepeatForever::create(animate); auto moveTo = MoveTo::create(1, Vec2(visibleSize.width, visibleSize.height / 2)); birdSprite->runAction(flyAction); this->addChild(birdSprite,10); this->schedule(schedule_selector(PlayScene::addEnemy),1.0f); this->scheduleUpdate(); // this->addEnemy(); auto listener = EventListenerTouchOneByOne::create(); listener->onTouchBegan = CC_CALLBACK_2(PlayScene::onTouchBegan, this); _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this); return true; } bool PlayScene::onTouchBegan(Touch *touch, Event *unused_event) { birdSprite->getPhysicsBody()->setVelocity(Vec2(0, 250)); return false; } void PlayScene::update(float dt) { // addEnemy(); land1->setPositionX(land1->getPositionX() - 5); land2->setPositionX(land2->getPositionX() - 5); checkBgSprite(); } void PlayScene::addEnemy(float dt) { auto enemy = Sprite::create("enemy_flower.png"); int curheight = getRand(0, enemy->getContentSize().height ); enemy->setPosition(winSize.width - 60, curheight); if (enemy == NULL) { log("enemy", "nulllllllllllllllllllllll"); } this->addChild(enemy,10); } void PlayScene::checkBgSprite() { if (land1->getPositionX() <= -land1->getContentSize().width) { log("should change land1-----------------"); land1->setPositionX(land2->getContentSize().width); } if (land2->getPositionX() <= -land2->getContentSize().width) { log("should change land2-----------------"); land2->setPositionX(land1->getContentSize().width); } } int PlayScene::getRand(int start,int end) { int i = CCRANDOM_0_1(end - start + 1) + start; return (int)i; } Animation* PlayScene::createAnimation(std::string prefixName, int framesNum, float delay) { auto animation = Animation::create(); for (int i = 0; i < framesNum; i++) { char buffer[20] = { 0 }; sprintf(buffer, "_%i.png", i); std::string str = prefixName + buffer; animation->addSpriteFrameWithFileName(str); } return animation; } void PlayScene::setPhysicWorld(PhysicsWorld* world) { this->m_world = world; } void PlayScene::menuCloseCallback(Ref* pSender) { #if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT) MessageBox("You pressed the close button. Windows Store Apps do not implement a close button.","Alert"); return; #endif Director::getInstance()->end(); #if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS) exit(0); #endif }