cocos2d-x for WP8 CCScrollView 实例

#include "HelloWorldScene.h" #include "SimpleAudioEngine.h" using namespace cocos2d; using namespace CocosDenshion; USING_NS_CC_EXT; CCScene* HelloWorld::scene() { // 'scene' is an autorelease object CCScene *scene = CCScene::create(); // 'layer' is an autorelease object HelloWorld *layer = HelloWorld::create(); // add layer as a child to scene scene->addChild(layer); // return the scene return scene; } // on "init" you need to initialize your instance bool HelloWorld::init() { ////////////////////////////// // 1. super init first if ( !CCLayer::init() ) { return false; } ///////////////////////////// // 2. add a menu item with "X" image, which is clicked to quit the program // you may modify it. // add a "close" icon to exit the progress. it's an autorelease object CCMenuItemImage *pCloseItem = CCMenuItemImage::create( "CloseNormal.png", "CloseSelected.png", this, menu_selector(HelloWorld::menuCloseCallback) ); pCloseItem->setPosition( ccp(CCDirector::sharedDirector()->getWinSize().width - 20, 20) ); // create menu, it's an autorelease object CCMenu* pMenu = CCMenu::create(pCloseItem, NULL); pMenu->setPosition( CCPointZero ); this->addChild(pMenu, 1); ///////////////////////////// // 3. add your codes below... // add a label shows "Hello World" // create and initialize a label pLabel = CCLabelTTF::create("Hello World", "Thonburi", 34); // ask director the window size CCSize size = CCDirector::sharedDirector()->getWinSize(); // position the label on the center of the screen pLabel->setPosition( ccp(size.width / 2, size.height - 20) ); // add the label as a child to this layer this->addChild(pLabel, 1); // CCScrollView scrollView = CCScrollView::create(); CCLayer *layer = CCLayer::create(); CCSprite *sprite1 = CCSprite::create("HelloWorld.png"); CCSprite *sprite2 = CCSprite::create("HelloWorld.png"); layer->setAnchorPoint(CCPointZero); layer->setPosition(CCPointZero); CCMenuItemSprite *menuItem1 = CCMenuItemSprite::create(sprite1, sprite1, this, menu_selector(HelloWorld::menuCloseCallback)); menuItem1->setPosition(ccpAdd(CCPointZero, ccp(size.width / 2, size.height / 2))); menuItem1->setScale(0.4f); CCMenuItemSprite *menuItem2 = CCMenuItemSprite::create(sprite2, sprite2, this, menu_selector(HelloWorld::menuCloseCallback)); menuItem2->setPosition(ccpAdd(ccp(480, 0), ccp(size.width / 2, size.height / 2))); menuItem2->setScale(0.4f); CCMenu *menu = CCMenu::create(menuItem1, menuItem2, NULL); menu->setPosition(CCPointZero); layer->addChild(menu); scrollView->setPosition(CCPointZero); scrollView->setContentOffset(CCPointZero); layer->setContentSize(CCSizeMake(960, 320)); scrollView->setContentSize(CCSizeMake(480, 320)); scrollView->setContainer(layer); scrollView->setDirection(kCCScrollViewDirectionHorizontal); scrollView->setDelegate(this); this->addChild(scrollView); return true; } void HelloWorld::menuCloseCallback(CCObject* pSender) { CCDirector::sharedDirector()->end(); #if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS) exit(0); #endif } void HelloWorld::scrollViewDidScroll(cocos2d::extension::CCScrollView *view) { } void HelloWorld::scrollViewDidZoom(cocos2d::extension::CCScrollView *view) { } void HelloWorld::onEnter() { CCLayer::onEnter(); // 这里的第三个参数一定要设置成false， // true 即HelloWorld层吞噬掉触摸事件 // false 即HelloWorld层与CCScrollView对象先后处理触摸事件 CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this, 1, false); } void HelloWorld::onExit() { CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this); CCLayer::onExit(); } bool HelloWorld::ccTouchBegan(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent) { return true; } void HelloWorld::ccTouchMoved(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent) { CCLOG("move"); } void HelloWorld::ccTouchEnded(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent) { adjustScrollView(); } void HelloWorld::ccTouchCancelled(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent) { adjustScrollView(); } void HelloWorld::adjustScrollView() { scrollView->unscheduleAllSelectors(); int x = scrollView->getContentOffset().x; int offset = (int) x % 480; CCPoint adjustPos; float adjustAnimDelay; if (offset < -240) { adjustPos = ccpSub(scrollView->getContentOffset(), ccp(480 + offset, 0)); adjustAnimDelay = (float) (480 + offset) / ADJUST_ANIM_VELOCITY; } else { adjustPos = ccpSub(scrollView->getContentOffset(), ccp(offset, 0)); adjustAnimDelay = (float) abs(offset) / ADJUST_ANIM_VELOCITY; } scrollView->setContentOffsetInDuration(adjustPos, adjustAnimDelay); } void HelloWorld::menu1Callback(cocos2d::CCNode *pSender) { CCLOG("menu1Callback"); } void HelloWorld::menu2Callback(cocos2d::CCNode *pSender) { CCLOG("menu2Callback"); }