flappybird 较完善的版本 cocos2d-x2.2.3 源代码

// // GameLayer.cpp // FlappyBird // // Created by DoubleHH on 14-3-13. // // #include "GameLayer.h" #include "BBButton.h" const int ZORDER_GROUND = 2; const int ZORDER_COLLISION = 1; const int ZORDER_ROLE = 10; const int ZORDER_COUNTDOWN = 11; const float INTERVAL_COLLISION = 150.0f; GameLayer::~GameLayer() { CC_SAFE_RELEASE_NULL(mGrounds); CC_SAFE_RELEASE_NULL(mCollisionArray); } CCScene *GameLayer::scene() { CCScene *scene = CCScene::create(); scene->addChild(GameLayer::create()); return scene; } bool GameLayer::init() { bool bRet = false; do { CC_BREAK_IF(!CCLayer::init()); extraInit(); bRet = true; } while (0); return bRet; } void GameLayer::extraInit() { initRole(); initGround(); initCollisions(); setRoleState(ROLE_STATE_JUMP_DOWN); setTouchEnabled(false); BBButton *button = BBButton::create(CCSizeMake(200, 60), this, bbButtonFunI_selector(GameLayer::restart), NULL, NULL, NULL, NULL, "Play Again"); button->mLabel->setFontSize(30); button->setPosition(CCPoint(getContentSize().width - button->getContentSize().width, getContentSize().height - button->getContentSize().height)); button->mDependedTarget = this; this->addChild(button, 10); setScore(0); beginCountdown(3); } void GameLayer::mainUpdate(float dt) { if (getIsPaused()) { return; } updateGround(dt); updateCollisions(dt); roleUpdate(dt); updateScore(); } #pragma mark - Game Control void GameLayer::gameOver() { this->unschedule(schedule_selector(GameLayer::mainUpdate)); setIsPaused(true); CCMessageBox("Where is a will, There is a way!", "Game over"); } void GameLayer::restart() { setScore(0); resetCollisions(); resetRole(); beginCountdown(3); } void GameLayer::resetRole() { mRole->setPosition(ccp(getContentSize().width * .5, getContentSize().height * .5)); setRoleState(ROLE_STATE_JUMP_DOWN); } void GameLayer::resetCollisions() { float x = getStartCollsionX(); float interval = BarPipe::getSize().width + INTERVAL_COLLISION; for (int i=0; i<mCollisionArray->count(); ++i) { BarPipe *pBar = (BarPipe *)mCollisionArray->objectAtIndex(i); pBar->setRandomY(); pBar->setBarPositionX(x); pBar->setIsPassed(false); x += interval; } } float GameLayer::getStartCollsionX() { return (CCDirector::sharedDirector()->getWinSize().width * .7); } #pragma mark - Countdown void GameLayer::preCountdown() { setTouchEnabled(false); setIsPaused(true); } #define TagCountdown 108474 void GameLayer::beginCountdown(int second) { preCountdown(); setCountdownNum(second); CCSize size = CCDirector::sharedDirector()->getWinSize(); CCLabelTTF *label = CCLabelTTF::create(CCString::createWithFormat("%d", getCountdownNum())->getCString(), "ArialMT", 100); label->setColor(ccRED); label->setAnchorPoint(ccp(.5, .5)); label->setPosition(ccp(size.width * .5, size.height * .5)); this->addChild(label, ZORDER_COUNTDOWN); this->schedule(schedule_selector(GameLayer::countdownSeconds), 0.8); label->setTag(TagCountdown); doCountdownAnimation(label); } void GameLayer::countdownSeconds() { CCLabelTTF *label = (CCLabelTTF *)getChildByTag(TagCountdown); if (label) { setCountdownNum(getCountdownNum() - 1); if (getCountdownNum() < 1) { label->removeFromParent(); label = NULL; this->unschedule(schedule_selector(GameLayer::countdownSeconds)); countdonwDone(); return; } label->setString(CCString::createWithFormat("%d", getCountdownNum())->getCString()); doCountdownAnimation(label); } } void GameLayer::countdonwDone() { setTouchEnabled(true); setIsPaused(false); this->schedule(schedule_selector(GameLayer::mainUpdate), 0.016f); } void GameLayer::doCountdownAnimation(CCNode *node) { node->runAction(CCSequence::create(CCScaleTo::create(0.3, 3), CCScaleTo::create(0.15, 1.0), NULL)); } #pragma mark - Score void GameLayer::setScore(int var) { score = var; if (!mScoreLabel) { CCLabelTTF *label = CCLabelTTF::create(CCString::createWithFormat("%d", getScore())->getCString(), "ArialMT", 30); label->setColor(ccYELLOW); label->setAnchorPoint(ccp(0, .5)); label->setPosition(ccp(50, getContentSize().height * 0.9)); this->addChild(label, ZORDER_COUNTDOWN); mScoreLabel = label; } mScoreLabel->setString(CCString::createWithFormat("Score: %d", getScore())->getCString()); } int GameLayer::getScore() { return score; } /** 更新用户的分数 **/ void GameLayer::updateScore() { for (int i=0; i<mCollisionArray->count(); ++i) { BarPipe *pBarPipe = (BarPipe *)mCollisionArray->objectAtIndex(i); if (!pBarPipe->getIsPassed() && (pBarPipe->getBarPositionX() + pBarPipe->getSize().width) < mRole->getPositionX()) { pBarPipe->setIsPassed(true); setScore(getScore() + 1); } } } #pragma mark - Touch void GameLayer::registerWithTouchDispatcher() { CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this, -1, true); } void GameLayer::onExit() { CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this); } bool GameLayer::ccTouchBegan(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent) { setRoleState(ROLE_STATE_JUMP_UP); return true; } #pragma mark - Role void GameLayer::initRole() { CCSize size = CCDirector::sharedDirector()->getWinSize(); mRole = CCSprite::create("bird.png"); mRole->setAnchorPoint(ccp(0, 0)); mRole->setPosition(ccp(size.width * .5, size.height * .5)); this->addChild(mRole, ZORDER_ROLE); } void GameLayer::roleUpdate(float dt) { switch (getRoleState()) { case ROLE_STATE_JUMP_UP: { this->roleJumpUpLogic(); break; } case ROLE_STATE_JUMP_DOWN: { this->roleJumpDownLogic(); break; } default: break; } } void GameLayer::setRoleState(ROLE_STATE var) { switch (var) { case ROLE_STATE_JUMP_UP: { CCLOG("开始上升"); setRoleYSpeed(getRoleConstYSpeed()); break; } case ROLE_STATE_JUMP_DOWN: { CCLOG("开始下降"); setRoleYSpeed(0); break; } default: break; } roleState = var; } void GameLayer::roleJumpDownLogic() { /** 1, 先判断是否到地面下了 2, 检测右边的碰撞 3, 检测下面的碰撞 **/ float roleY = mRole->getPositionY(); roleY -= getRoleYSpeed(); if (roleY < getGroundHeight()) { gameOver(); CCLOG("正在下降, 撞地了"); return; } BarPipe *willCollisionBar = getWillCollisionBar(); if (isCollisionWithBar(COLL_STATE_RIGHT, willCollisionBar)) { gameOver(); CCLOG("正在下降, 右边发生碰撞"); return; } if (isCollisionWithBar(COLL_STATE_BOTTOM, willCollisionBar)) { gameOver(); CCLOG("正在下降, 下边发生碰撞"); return; } mRole->setPositionY(roleY); setRoleYSpeed(getRoleYSpeed() + getRoleAccelerate()); } void GameLayer::roleJumpUpLogic() { /** 1, 检测是否碰到天花板了 2, 判断速度是否小于等于零了 3, 检测右边的碰撞 4. 检测上边的碰撞 **/ float roleY = mRole->getPositionY(); roleY += getRoleYSpeed(); // 判断是否过了屏幕上方 if (roleY + mRole->getContentSize()