MIPool 小台球 demo Box2d cocos2d-x2.2.3 源代码

#include "GameLayer.h" #include "CollisionListener.h" #define SHOT_POWER 6.0 using namespace cocos2d; GameLayer::GameLayer() { _screenSize = CCDirector::sharedDirector()->getWinSize(); CCSprite * bg = CCSprite::create("bg.png"); bg->setPosition(ccp(_screenSize.width * 0.5f, _screenSize.height * 0.5f)); this->addChild(bg); CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile("sprite_sheet.plist"); _gameBatchNode = CCSpriteBatchNode::create("sprite_sheet.png", 50); this->addChild(_gameBatchNode, kMiddleground); // init physics this->initPhysics(); setTouchEnabled( true ); scheduleUpdate(); _usingCue = false; _running = true; _canShoot = true; _gameState = kGameIntro; _time = 0; _ballsInPlay = 15; _lineContainer = LineContainer::create(); this->addChild(_lineContainer); _intro = CCSprite::createWithSpriteFrameName("logo.png"); _intro->setPosition(ccp(_screenSize.width * 0.5f, _screenSize.height * 0.55f)); _gameBatchNode->addChild(_intro, kForeground); _gameOver = CCSprite::createWithSpriteFrameName("gameover.png"); _gameOver->setPosition(ccp(_screenSize.width * 0.5f, _screenSize.height * 0.55f)); _gameOver->setVisible(false); _gameBatchNode->addChild(_gameOver, kForeground); _timer = CCLabelBMFont::create("0", "font.fnt", _screenSize.width * 0.5f); _timer->setPosition(ccp(_screenSize.width * 0.5f, _screenSize.height * 0.94f)); _timer->setVisible(false); this->addChild(_timer, kForeground); this->schedule(schedule_selector(GameLayer::ticktock), 1.5f); } GameLayer::~GameLayer() { delete _world; _world = NULL; delete m_debugDraw; delete _collisionListener; CC_SAFE_RELEASE(_balls); CC_SAFE_RELEASE(_pockets); } 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()); ////////////////////////////////////////////////////////////////////////// // add your codes below... ////////////////////////////////////////////////////////////////////////// setTouchEnabled( true ); bRet = true; } while (0); return bRet; } void GameLayer::initPhysics(){ b2Vec2 gravity; gravity.Set(0.0f,0.0f); _world = new b2World(gravity); _world->SetAllowSleeping(true); _world->SetContinuousPhysics(true); _collisionListener = new CollisionListener(); _world->SetContactListener(_collisionListener); m_debugDraw = new GLESDebugDraw(PTM_RATIO); _world->SetDebugDraw(m_debugDraw); uint32 flags = 0; flags += b2Draw::e_shapeBit; m_debugDraw->SetFlags(flags); b2FixtureDef fixtureDef; b2BodyDef bodyDef; _pockets = CCArray::createWithCapacity(6); _pockets->retain(); b2Body *pocket; b2Sprite *pocketData; b2CircleShape circle; float startX = _screenSize.width * 0.07; float startY = _screenSize.height * 0.92f; for(int i = 0; i < 6; ++i){ bodyDef.type = b2_staticBody; if(i < 3){ bodyDef.position.Set( startX / PTM_RATIO, (startY - i * (_screenSize.height * 0.84f * 0.5f)) / PTM_RATIO); }else{ bodyDef.position.Set( (startX + _screenSize.width * 0.85f) / PTM_RATIO, (startY - (i - 3) * (_screenSize.height * 0.84f * 0.5f)) / PTM_RATIO); } pocket = _world->CreateBody(&bodyDef); fixtureDef.isSensor = true; circle.m_radius = (float)(1.5 * BALL_RADIUS) / PTM_RATIO; fixtureDef.shape = &circle; pocket->CreateFixture(&fixtureDef); pocketData = new b2Sprite(this, kSpritePocket); pocket->SetUserData(pocketData); _pockets->addObject(pocketData); } b2BodyDef tableBodyDef; tableBodyDef.position.Set(0, 0); b2Body *tableBody = _world->CreateBody(&tableBodyDef); b2EdgeShape tableBox; //bottom tableBox.Set(b2Vec2(_screenSize.width * 0.14f / PTM_RATIO, _screenSize.height * 0.09f / PTM_RATIO), b2Vec2(_screenSize.width * 0.86f / PTM_RATIO, _screenSize.height * 0.09f / PTM_RATIO)); tableBody->CreateFixture(&tableBox, 0); // top tableBox.Set(b2Vec2(_screenSize.width * 0.14f/PTM_RATIO, _screenSize.height * 0.91f/PTM_RATIO), b2Vec2(_screenSize.width * 0.86f/PTM_RATIO, _screenSize.height * 0.91f/PTM_RATIO)); tableBody->CreateFixture(&tableBox,0); //left tableBox.Set(b2Vec2(_screenSize.width * 0.09f / PTM_RATIO, _screenSize.height * 0.12f / PTM_RATIO), b2Vec2(_screenSize.width * 0.09f / PTM_RATIO, _screenSize.height * 0.46f / PTM_RATIO)); tableBody->CreateFixture(&tableBox, 0); tableBox.Set(b2Vec2(_screenSize.width * 0.91f / PTM_RATIO, _screenSize.height * 0.12f / PTM_RATIO), b2Vec2(_screenSize.width * 0.91f / PTM_RATIO, _screenSize.height * 0.46f / PTM_RATIO)); tableBody->CreateFixture(&tableBox, 0); //right tableBox.Set(b2Vec2(_screenSize.width * 0.09f/PTM_RATIO, _screenSize.height * 0.54f/PTM_RATIO), b2Vec2(_screenSize.width * 0.09f/PTM_RATIO, _screenSize.height * 0.88f/PTM_RATIO)); tableBody->CreateFixture(&tableBox,0); tableBox.Set(b2Vec2(_screenSize.width * 0.91f/PTM_RATIO, _screenSize.height * 0.54f/PTM_RATIO), b2Vec2(_screenSize.width * 0.91f/PTM_RATIO, _screenSize.height * 0.88f/PTM_RATIO)); tableBody->CreateFixture(&tableBox, 0); _balls = CCArray::createWithCapacity(15); _balls->retain(); Ball *ball; int col = 5; int colCnt = 0; startX = (_screenSize.width - 8 * BALL_RADIUS) * 0.5f; startY = _screenSize.height * 0.82f; float newX; float newY; int color; for (int i = 0; i < 15; i++) { if (i == 10) { color = kColorBlack; } else if (i % 2 == 0) { color = kColorYellow; } else { color = kColorRed; } if (colCnt < col) { newX = startX + colCnt * 2 * BALL_RADIUS; colCnt++; } else { startX += BALL_RADIUS; startY -= 2 * BALL_RADIUS; newX = startX; col--; colCnt = 1; } newY = startY; ball = Ball::create(this, kSpriteBall, ccp(newX, newY), color); _gameBatchNode->addChild(ball, kMiddleground); _balls->addObject(ball); } //add cue ball _player = Ball::create(this, kSpritePlayer, ccp(_screenSize.width * 0.5f, _screenSize.height * 0.3f), kColorWhite); _gameBatchNode->addChild(_player, kMiddleground); _cue = Cue::create(this); _cue->setSpritePosition(ccp(_screenSize.width * 0.2f, _screenSize.height * 0.3f)); _cue->getBody()->SetTransform(_cue->getBody()->GetPosition(), M_PI*0.5); _gameBatchNode->addChild(_cue, kForeground); } void GameLayer::draw(){ CCLayer::draw(); ccGLEnableVertexAttribs(kCCVertexAttribFlag_Position); kmGLPushMatrix(); _world->DrawDebugData(); kmGLPopMatrix(); } void GameLayer::update(float dt) { if(!_running) return; if(_gameState == kGameOver) return; _world->Step(dt, 10, 10); int count = _balls->count(); Ball *ball; for(int i = 0; i < count; ++i){ ball = (Ball *)_balls->objectAtIndex(i); if(!ball->isVisible() && ball->getInPlay()){ ball->setInPlay(false); ball->hide(); _ballsInPlay--; if(_ballsInPlay == 0){ _gameState = kGameOver; _gameOver->setVisible(true); } }else{ ball->update(dt); } } if(!_cue->isVisible()){ _cue->hide(); }else{ _cue->update(dt); } if(!_player->isVisible())