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Cocos2d-x3.2 重力感应
//GameScene.h #include "cocos2d.h" USING_NS_CC; class GameScene : public cocos2d::Layer { public: static cocos2d::Scene* createScene(); virtual bool init(); void menuCallback(Ref* pSender); //重写重力感应函数 virtual void didAccelerate(Acceleration* acc, Event* event); CREATE_FUNC(GameScene); private: //注意不能用auto关键字 Size size; Sprite *sprite; };
//GameScene.cpp // Created by Jacedy on 14-8-11. #include "GameScene.h" USING_NS_CC; cocos2d::Scene* GameScene::createScene() { auto scene = Scene::create(); //创建一个场景 auto layer = GameScene::create(); //创建一个图层 scene->addChild(layer); return scene; } //初始化当前的图层 bool GameScene::init() { if(!Layer::init()) //初始化父类 return false; //获取屏幕大小 size = Director::getInstance()->getVisibleSize(); //auto size = Director::getInstance()->getWinSize(); //添加一个图片精灵 sprite = Sprite::create("OnePiece_1.png"); sprite->setPosition(Vec2(size.width/2, size.height/2)); sprite->setTag(12); this->addChild(sprite); //开启重力感应 Device::setAccelerometerEnabled(true); //创建事件监听对象 auto listener = EventListenerAcceleration::create(CC_CALLBACK_2(GameScene::didAccelerate, this)); //在事件监听器中注册 _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this); return true; } void GameScene::didAccelerate(Acceleration* acc, Event* event) { //使精灵随重力感应移动 auto sprite = this->getChildByTag(12); //通过标签获取精灵 auto pos = sprite->getPosition(); pos.x += acc->x; pos.y += acc->y; //pos.y += acc->y * 10; //调整敏感度 sprite->setPosition(pos); } void GameScene::menuCallback(Ref* pSender) { }
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