【cocos2d-x IOS游戏开发-城市跑酷】

/* 文件名： GameLayer.cpp 描　述： 游戏界面的实现 创建人： 郝萌主 (博客：http://blog.csdn.net/haomengzhu) 创建日期： 2013.12.05 */ #include "GameLayer.h" using namespace cocos2d; GameLayer::~GameLayer() { CC_SAFE_RELEASE(_jamMove); CC_SAFE_RELEASE(_jamAnimate); } CCScene* GameLayer::scene() { CCScene * scene = NULL; do { // 'scene' is an autorelease object scene = CCScene::create(); CC_BREAK_IF(! scene); // 'layer' is an autorelease object GameLayer *layer = GameLayer::create(); CC_BREAK_IF(! layer); // add layer as a child to scene scene->addChild(layer); } while (0); // return the scene return scene; } // on "init" you need to initialize your instance bool GameLayer::init() { bool bRet = false; do { ////////////////////////////////////////////////////////////////////////// // super init first ////////////////////////////////////////////////////////////////////////// CC_BREAK_IF(! CCLayer::init()); //获取屏幕大小 _screenSize = CCDirector::sharedDirector()->getWinSize(); //创建游戏界面 createGameScreen(); //重新开始游戏 resetGame(); //listen for touches this->setTouchEnabled(true); //create main loop this->schedule(schedule_selector(GameLayer::update)); bRet = true; } while (0); return bRet; } //重新开始游戏 void GameLayer::resetGame () { //初始化配置 _score = 0; _speedIncreaseInterval = 15; _speedIncreaseTimer = 0; //显示积分 char szValue[100] = {0}; sprintf(szValue, "%i", (int) _score); _scoreDisplay->setString (szValue); _scoreDisplay->setAnchorPoint(ccp(1,0)); _scoreDisplay->setPosition(ccp(_screenSize.width * 0.95f, _screenSize.height * 0.88f)); _state = kGameIntro; _intro->setVisible(true); _mainMenu->setVisible(true); _jam->setPosition(ccp(_screenSize.width * 0.19f, _screenSize.height * 0.47f)); _jam->setVisible(true); _jam->runAction(_jamAnimate); _running = true; } void GameLayer::update(float dt) { //CCLog("_running:%d",_running); if (!_running) return; //获取主角位置 if (_player->getPositionY() < -_player->getHeight() || _player->getPositionX() < -_player->getWidth() * 0.5f) { if (_state == kGamePlay) { _running = false; //create GAME OVER state _state = kGameOver; _tryAgain->setVisible(true); _scoreDisplay->setAnchorPoint(ccp(0.5f, 0.5f)); _scoreDisplay->setPosition(ccp(_screenSize.width * 0.5f, _screenSize.height * 0.88f)); _hat->setPosition(ccp(_screenSize.width * 0.2f, -_screenSize.height * 0.1f)); _hat->setVisible(true); //旋转精灵，以度为单位 CCAction * rotate = CCRotateBy::create(2.0f, 660); CCAction * jump = CCJumpBy::create(2.0f, ccp(0,10), _screenSize.height * 0.8f, 1); //主角死亡，帽子旋转跳起 _hat->runAction(rotate); _hat->runAction(jump); //SimpleAudioEngine::sharedEngine()->stopBackgroundMusic(); //SimpleAudioEngine::sharedEngine()->playEffect("crashing.wav"); } } //更新主角状态 _player->update(dt); _terrain->move(_player->getVector().x); //检查碰撞冲突 if (_player->getState() != kPlayerDying) _terrain->checkCollision(_player); //放置主角 _player->place(); if (_player->getNextPosition().y > _screenSize.height * 0.6f) { _gameBatchNode->setPositionY( (_screenSize.height * 0.6f - _player->getNextPosition().y) * 0.8f); } else { _gameBatchNode->setPositionY ( 0 ); } //update paralax if (_player->getVector().x > 0) { //一直往左移 _background->setPositionX(_background->getPosition().x - _player->getVector().x * 0.25f); float diffx; //移完一个宽度时，重新把位置设置为接近0的位置 if (_background->getPositionX() < -_background->getContentSize().width) { diffx = fabs(_background->getPositionX()) - _background->getContentSize().width; _background->setPositionX(-diffx); } _foreground->setPositionX(_foreground->getPosition().x - _player->getVector().x * 4); if (_foreground->getPositionX() < -_foreground->getContentSize().width * 4) { diffx = fabs(_foreground->getPositionX()) - _foreground->getContentSize().width * 4; _foreground->setPositionX(-diffx); } int count = _clouds->count(); CCSprite * cloud; for (int i = 0; i < count; i++) { cloud = (CCSprite *) _clouds->objectAtIndex(i); cloud->setPositionX(cloud->getPositionX() - _player->getVector().x * 0.15f); if (cloud->getPositionX() + cloud->boundingBox().size.width * 0.5f < 0 ) cloud->setPositionX(_screenSize.width + cloud->boundingBox().size.width * 0.5f); } } if (_jam->isVisible()) { if (_jam->getPositionX() < -_screenSize.width * 0.2f) { _jam->stopAllActions(); _jam->setVisible(false); } } if (_terrain->getStartTerrain() && _player->getVector().x > 0) { _score += dt * 50; char szValue[100] = {0}; sprintf(szValue, "%i", (int) _score); _scoreDisplay->setString (szValue); _speedIncreaseTimer += dt; if (_speedIncreaseTimer > _speedIncreaseInterval) { _speedIncreaseTimer = 0; _player->setMaxSpeed (_player->getMaxSpeed() + 4); } } if (_state > kGameTutorial) { if (_state == kGameTutorialJump) { if (_player->getState() == kPlayerFalling && _player->getVector().y < 0) { _player->stopAllActions(); _jam->setVisible(false); _jam->stopAllActions(); _running = false; _tutorialLabel->setString("While in the air, tap the screen to float."); _state = kGameTutorialFloat; } } else if (_state == kGameTutorialFloat) { if (_player->getPositionY() < _screenSize.height * 0.95f) { _player->stopAllActions(); _running = false; _tutorialLabel->setString("While floating, tap the screen again to drop."); _state = kGameTutorialDrop; } } else { _tutorialLabel->setString("That's it. Tap the screen to play."); _state = kGameTutorial; } } } void GameLayer::ccTouchesBegan(CCSet* pTouches, CCEvent* event) { CCTouch *touch = (CCTouch *)pTouches->anyObject(); if (touch) { CCPoint tap = touch->getLocation(); switch (_state) { case kGameIntro: break; case kGameOver: if (_tryAgain->boundingBox().containsPoint(tap)) { _hat->setVisible(false); _hat->stopAllActions(); _tryAgain->setVisible(false); _terrain->reset(); _player->reset(); resetGame(); } break; case kGamePlay: if (_player->getState() == kPlayerFalling) { _player->setFloating ( _player->getFloating() ? false : true ); } else { if (_player->getState() != kPlayerDying) { //SimpleAudioEngine::sharedEngine()->playEffect("jump.wav"); _player->setJumping(true); } } _terrain->activateChimneysAt(_player); break; case kGameTutorial: _tutorialLabel->setString("");