1 // 2 // MainScene.hpp 3 // helloworld 4 // 5 // Created by apple on 16/9/19. 6 // 7 // 8 9 #ifndef MainScene_hpp 10 #define MainScene_hpp 11 12 #include <stdio.h> 13 #include "cocos2d.h" 14 USING_NS_CC; 15 using namespace cocos2d; 16 //定義一個場景類 17 18 class MainScene : public cocos2d::Layer{ 19 20 private: 21 // 成員變量(私有的) 22 Size size;//注意不能用auto關鍵字 23 Sprite *sprite1, *sprite2;//定義兩個成員變量的精靈(注意不能用auto關鍵字 24 Label *label;//全局變量Label->顯示碰撞與未碰撞(注意不能用auto關鍵字) 25 public: 26 virtual bool init(); // 虛函數，返回值為布爾類型，沒有函數 27 28 static cocos2d::Scene* createScene();//static是一個類方法返回場景 29 //聲明點擊手勢 30 virtual bool onTouchBegan(Touch *touch, Event *unused_event); 31 //聲明拖動手勢 32 virtual void onTouchMoved(Touch *touch, Event *unused_event); 33 34 CREATE_FUNC(MainScene); 35 }; 36 37 38 #endif /* MainScene_hpp */
1 // 2 // MainScene.cpp 3 // helloworld 4 // 5 // Created by apple on 16/9/19. 6 // 7 // 8 9 #include "MainScene.hpp" 10 cocos2d::Scene * MainScene::createScene() 11 { 12 auto scene = Scene::create(); 13 // CCScene * scene = CCScene::create();// 創建場景 14 //創建層 15 MainScene *layer = MainScene::create(); 16 scene->addChild(layer); 17 return scene; 18 } 19 bool MainScene::init(){ 20 if (!Layer::init()) { 21 return false; 22 } 23 //獲取屏幕大小 24 size = Director::getInstance()->getVisibleSize(); 25 //auto size = Director::getInstance()->getWinSize(); 26 //添加一個圖片精靈 27 sprite1 = Sprite::create("CloseNormal.png"); 28 sprite1->setPosition(Vec2(size.width/2, size.height/2)); 29 this->addChild(sprite1); 30 31 sprite2 = Sprite::create("CloseNormal.png"); 32 sprite2->setPosition(Vec2(size.width*0.4, size.height/2)); 33 this->addChild(sprite2); 34 35 label = Label::createWithSystemFont("No collision", "Marker Felt", 50); 36 label->setPosition(Vec2(size.width/2, size.height*0.7)); 37 this->addChild(label);//直接把Label顯示在屏幕上 38 39 //創建監聽事件對象 40 auto listener = EventListenerTouchOneByOne::create(); 41 42 //定義監聽事件的回調函數 43 listener->onTouchBegan = CC_CALLBACK_2(MainScene::onTouchBegan, this); 44 listener->onTouchMoved = CC_CALLBACK_2(MainScene::onTouchMoved, this); 45 46 //在事件分發器中注冊 47 _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this); 48 49 return true; 50 } 51 52 //點擊移動精事件回調方法 53 bool MainScene::onTouchBegan(Touch *touch, Event *unused_event) 54 { 55 //獲取觸屏位置（坐標） 56 Point pos = touch->getLocation(); 57 58 sprite2->setPosition(pos);//把點擊屏幕的觸摸點（坐標）給賦值給精靈2 59 60 log("TouchBegan"); 61 62 return true; 63 } 64 //拖動手勢執行事件方法 65 void MainScene::onTouchMoved(Touch *touch, Event *unused_event) 66 { 67 //獲取當前拖動手勢的坐標與位置 68 Point pos = touch->getLocation(); 69 70 sprite2->setPosition(pos);//讓精靈跟着拖動點移動 71 72 //判斷兩個精靈是否相交 73 if (sprite2->getBoundingBox().intersectsRect(sprite1->getBoundingBox())){ //3.0改變處 74 label->setString("Collision!");//改變屏幕上Label的文字 75 }else{ 76 label->setString("No collision");//改變屏幕上Label的文字 77 78 log("TouchMoved"); 79 } 80 }