弹球游戏的cocos2d-x版源码

#include "HelloWorldScene.h" using namespace cocos2d; #define PTM_RATIO 32.0 HelloWorld::HelloWorld() { //b2Vec2 gravity; //g//ravity.Set(0.0f, -10.0f); //world = new b2World(gravity); body = NULL; } HelloWorld::~HelloWorld() { delete world; world = NULL; //delete body; //body = NULL; } CCScene* HelloWorld::scene() { CCScene * scene = NULL; do { // 'scene' is an autorelease object scene = CCScene::create(); CC_BREAK_IF(! scene); // 'layer' is an autorelease object HelloWorld *layer = HelloWorld::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 HelloWorld::init() { bool bRet = false; do { ////////////////////////////////////////////////////////////////////////// // super init first ////////////////////////////////////////////////////////////////////////// CC_BREAK_IF(! CCLayer::init()); CCSize winSize = CCDirector::sharedDirector()->getWinSize(); CCLabelTTF *title = CCLabelTTF::create("Boxing", "Arial", 24);//labelWithString("Boxing", "Arial", 24); title->setColor(ccc3(255,255,255)); title->setPosition(CCPoint(winSize.width / 2, winSize.height - 50)); //title.pos = new CCPoint(winSize.width / 2, winSize.height - 50); this->addChild(title, 1); ball = CCSprite::create("ball.png"); ball->setPosition(CCPoint(100, 300)); this->addChild(ball); b2Vec2 gravity; gravity.Set(0.0f, -30.0f); bool doSleep = true; world = new b2World(gravity); world->SetAllowSleeping(doSleep); b2BodyDef groundBodyDef; groundBodyDef.position = b2Vec2(0, 0); b2Body *groundBody = world->CreateBody(&groundBodyDef); b2EdgeShape groundBox; b2FixtureDef boxShapeDef; boxShapeDef.shape = &groundBox; //shape.Set(b2Vec2(-20.0f, 0.0f), b2Vec2(20.0f, 0.0f)); groundBox.Set(b2Vec2(0, 0), b2Vec2((float)(winSize.width / PTM_RATIO), 0)); groundBody->CreateFixture(&boxShapeDef); groundBox.Set(b2Vec2(0, 0), b2Vec2(0, (float)(winSize.height / PTM_RATIO))); groundBody->CreateFixture(&boxShapeDef); groundBox.Set(b2Vec2(0, (float)(winSize.height / PTM_RATIO)), b2Vec2((float)(winSize.width / PTM_RATIO), (float)(winSize.height / PTM_RATIO))); groundBody->CreateFixture(&boxShapeDef); groundBox.Set(b2Vec2((float)(winSize.width / PTM_RATIO), (float)(winSize.height / PTM_RATIO)), b2Vec2((float)(winSize.width / PTM_RATIO), 0)); groundBody->CreateFixture(&boxShapeDef); b2BodyDef ballBodyDef; ballBodyDef.type = b2_dynamicBody; ballBodyDef.position = b2Vec2((float)(100 / PTM_RATIO), (float)(300 / PTM_RATIO)); ballBodyDef.userData = ball; body = world->CreateBody(&ballBodyDef); b2CircleShape circle; circle.m_radius = (float)(26.0 / PTM_RATIO); b2FixtureDef ballShapeDef; ballShapeDef.shape = &circle; ballShapeDef.density = 1.0f; ballShapeDef.friction = 0.0f; ballShapeDef.restitution = 1.0f; body->CreateFixture(&ballShapeDef); this->scheduleUpdate(); ////////////////////////////////////////////////////////////////////////// // add your codes below... ////////////////////////////////////////////////////////////////////////// // 1. Add a menu item with "X" image, which is clicked to quit the program. // Create a "close" menu item with close icon, it's an auto release object. //CCMenuItemImage *pCloseItem = CCMenuItemImage::create( // "CloseNormal.png", // "CloseSelected.png", // this, // menu_selector(HelloWorld::menuCloseCallback)); //CC_BREAK_IF(! pCloseItem); //// Place the menu item bottom-right conner. //pCloseItem->setPosition(ccp(CCDirector::sharedDirector()->getWinSize().width - 20, 20)); //// Create a menu with the "close" menu item, it's an auto release object. //CCMenu* pMenu = CCMenu::create(pCloseItem, NULL); //pMenu->setPosition(CCPointZero); //CC_BREAK_IF(! pMenu); //// Add the menu to HelloWorld layer as a child layer. //this->addChild(pMenu, 1); // 2. Add a label shows "Hello World". // Create a label and initialize with string "Hello World". //CCLabelTTF* pLabel = CCLabelTTF::create("Hello World", "Arial", 24); //CC_BREAK_IF(! pLabel); //// Get window size and place the label upper. //CCSize size = CCDirector::sharedDirector()->getWinSize(); //pLabel->setPosition(ccp(size.width / 2, size.height - 50)); //// Add the label to HelloWorld layer as a child layer. //this->addChild(pLabel, 1); //// 3. Add add a splash screen, show the cocos2d splash image. //CCSprite* pSprite = CCSprite::create("HelloWorld.png"); //CC_BREAK_IF(! pSprite); // Place the sprite on the center of the screen //pSprite->setPosition(ccp(size.width/2, size.height/2)); // Add the sprite to HelloWorld layer as a child layer. //this->addChild(pSprite, 0); bRet = true; } while (0); return bRet; } void HelloWorld::menuCloseCallback(CCObject* pSender) { // "close" menu item clicked CCDirector::sharedDirector()->end(); } void HelloWorld::update(float dt) { world->Step(dt, 10, 10); for (b2Body *b = world->GetBodyList(); b != NULL;b = b->GetNext() ) { if (b->GetUserData() != NULL) { CCSprite *ballData = (CCSprite*)(b->GetUserData()); ballData->setPosition(CCPoint((float)(b->GetPosition().x * PTM_RATIO), (float)(b->GetPosition().y * PTM_RATIO))); //ballData.setRotation(-1 * MathHelper.ToDegrees(b.GetAngle())); } } /*CCArray *bgSprites = this->getChildren(); CCObject *obj = NULL; CCARRAY_FOREACH(bgSprites, obj) { movingBackground(obj, dt); } */ }