C++ PhysicsBody::getShape方法代码示例

void Ball::initPhysics(){
	PhysicsBody *spriteBody = PhysicsBody::createCircle(this->getSprite()->getBoundingBox().size.width , PHYSICSBODY_MATERIAL_DEFAULT);
	spriteBody->setDynamic(true);
	spriteBody->getShape(0)->setRestitution(1.0f);
	spriteBody->getShape(0)->setFriction(0.0f);
	spriteBody->getShape(0)->setDensity(1.0f);
	spriteBody->getShape(0)->setMass(100);
	spriteBody->setGravityEnable(false);
	spriteBody->setVelocity(this->velocity);
	this->getSprite()->setPhysicsBody(spriteBody);
}

void ShowLayer::initPhyscsObject(Rect* m)
{
	for (int i = 0; i < 26; i++)
	{
		Sprite* sp = Sprite::create();
		auto maskLayer = LayerColor::create(Color4B(0, 0, 255, 200));
		maskLayer->setContentSize(m[i].size);
		maskLayer->setAnchorPoint(Vec2(0, 0));
		sp->addChild(maskLayer, 15);

		PhysicsBody* playerBody = PhysicsBody::createBox(m[i].size, PHYSICSBODY_MATERIAL_DEFAULT);

		playerBody->setDynamic(false);

		//设置质量
		playerBody->getShape(0)->setMass(100);

		//设置物体是否受重力系数影响
		playerBody->setGravityEnable(false);

		playerBody->setCategoryBitmask(3);
		playerBody->setContactTestBitmask(3);
		playerBody->setCollisionBitmask(3);

		sp->setContentSize(m[i].size);
		sp->setPosition(Vec2(m[i].getMidX(), m[i].getMidY()));
		sp->setAnchorPoint(Vec2(0.0, 0.0));
		sp->setPhysicsBody(playerBody);

		this->addChild(sp);
	}
}

void LevelFifteen::callbackC(Node* sender)
{

	auto visibleSize = Director::getInstance()->getVisibleSize();

	auto pictureName = 1 + rand() % 27;

	auto str = String::createWithFormat("%d.png", pictureName)->getCString();
	auto ballTwo2 = Sprite::createWithSpriteFrameName(str);
	ballTwo2->setPosition(Vec2(visibleSize.width / 2.0f, visibleSize.height - 90));

	PhysicsBody* ballBodyTwo = nullptr;
	if (pictureName <= 9)
	{
		ballBodyTwo = PhysicsBody::createBox(ballTwo2->getContentSize(), PHYSICSBODY_MATERIAL_DEFAULT);
	}
	else if (pictureName > 9 && pictureName <= 18)
	{
		ballBodyTwo = PhysicsBody::createCircle(ballTwo2->getContentSize().width / 2.0f, PHYSICSBODY_MATERIAL_DEFAULT);
	}
	else if (pictureName > 18 && pictureName <= 21)
	{
		Vec2 vec[] = {
			Vec2(-22.50000, 22.00000),
			Vec2(24.00000, 10.00000),
			Vec2(-10.00000, -24.00000)
		};
		ballBodyTwo = PhysicsBody::createPolygon(vec, 3);
	}
	else if (pictureName > 21 && pictureName <= 24)
	{
		Vec2 vec[] = {
			Vec2(-15.50000, 15.00000),
			Vec2(15.50000, 6.00000),
			Vec2(-7.00000, -15.50000)
		};
		ballBodyTwo = PhysicsBody::createPolygon(vec, 3);
	}
	else if (pictureName > 24 && pictureName <= 27)
	{
		Vec2 vec[] = {
			Vec2(-8.00000, 8.00000),
			Vec2(7.50000, 3.00000),
			Vec2(-4.00000, -7.50000)
		};
		ballBodyTwo = PhysicsBody::createPolygon(vec, 3);
	}


	//是否设置物体为静态
	//ballBodyTwo->setDynamic(false);
	ballBodyTwo->getShape(0)->setRestitution(1.0f);
	ballBodyTwo->getShape(0)->setFriction(0.0f);
	ballBodyTwo->getShape(0)->setDensity(1.0f);

	ballBodyTwo->setGravityEnable(false);
	ballBodyTwo->setCategoryBitmask(2);// 分类掩码
	ballBodyTwo->setCollisionBitmask(1 | 2 | 4 | 8);// 碰撞掩码
	ballBodyTwo->setContactTestBitmask(1 | 8);// 接触测试掩码
	ballBodyTwo->addMass(1000.0f);


	int flag = CCRANDOM_0_1() * 2;
	auto num = 0;
	switch (flag)
	{
	case 0:
		num = -1;
		break;
	case 1:
		num = 1;
		break;
	default:
		break;
	}
	auto force1 = Vec2(CCRANDOM_0_1()*10000.0f*num, -300000.0f);
	ballBodyTwo->applyImpulse(force1);
	ballTwo2->setPhysicsBody(ballBodyTwo);
	this->addChild(ballTwo2);

}

bool GameLayer::init() {
	if (!Layer::init()) {
		return false;
	}

	this->score = 0;
	this->gameStatus = GameStatus::GAME_RUNNING;
	this->bestScore = UserDefault::getInstance()->getIntegerForKey(KEY);

	visibleSize = Director::getInstance()->getVisibleSize();

	//创建小鸟
	this->bird = BirdSprite::getInstance();
	this->bird->createBird();
	//创建物理属性
	PhysicsBody *body = PhysicsBody::createCircle(15);
	//设置为受到重力影响的动态刚体
	body->setDynamic(true);
	//设置线性阻尼
	body->setLinearDamping(0.0f);
	//设置刚体是否受物理世界重力的影响
	body->setGravityEnable(false);
	//设置形状的恢复系数
	//body->getShape(0)->setRestitution(0.0f);
	body->getShape(0)->setDensity(1.0f);
	//设置所属种类的掩码值
	body->setCategoryBitmask(BIRD_MASK);
	body->setCollisionBitmask(BIRD_MASK | OBST_MASK);
	body->setContactTestBitmask(BIRD_MASK | OBST_MASK);
	this->bird->setPhysicsBody(body);
	this->bird->setPosition(visibleSize.width / 3, visibleSize.height / 2);
	this->bird->idle();
	this->bird->fly();
	this->addChild(this->bird, 2);


	//添加陆地物理属性
	auto land = Node::create();
	landHeight = BackgroundLayer::getLandHeight();
	auto landBody = PhysicsBody::createBox(Size(visibleSize.width, landHeight));
	landBody->getShape(0)->setRestitution(0.0f);
	landBody->setDynamic(false);
	landBody->setGravityEnable(false);
	landBody->setCategoryBitmask(OBST_MASK);
	landBody->setCollisionBitmask(BIRD_MASK | OBST_MASK);
	landBody->setContactTestBitmask(BIRD_MASK | OBST_MASK);
	land->setPhysicsBody(landBody);
	land->setPosition(visibleSize.width / 2, landHeight / 2);
	this->addChild(land, 10);

	//添加碰撞监听
	auto contactListener = EventListenerPhysicsContact::create();
	contactListener->onContactBegin = CC_CALLBACK_1(GameLayer::onContactBegin, this);
	_eventDispatcher->addEventListenerWithSceneGraphPriority(contactListener, this);


	this->createPips();

	this->scheduleUpdate();
	this->schedule(schedule_selector(GameLayer::scrollPipe), 0.01f);
	return true;
	
}

bool HelloWorld::init(PhysicsWorld* world,int _level)
{
    if ( !Layer::init() )
    {
        return false;
    } 
	level = _level;
	//NotificationCenter::getInstance()->addObserver(this, callfuncO_selector(HelloWorld::setLevel), "selectedLevel", NULL);
	dispatcher = Director::getInstance()->getEventDispatcher();

	preLoadMusic();
	playBgMusic();

	m_world = world;
	//m_world->setAutoStep(false);
	m_world->setGravity(Vect(0,-grivity));
	this->setAnchorPoint(Point(0,0));
    winSize = Director::getInstance()->getWinSize();
	visibleSize = Director::getInstance()->getVisibleSize();
	origin = Director::getInstance()->getVisibleOrigin();

	auto map1path = String::createWithFormat("%s%d%s","images/level",level,"/bg.png");
	map1 = Sprite::create(map1path->getCString());
	map1->setPosition(map1->getContentSize().width/2+origin.x, map1->getContentSize().height/2+origin.y);
	this->addChild(map1,1,MAP1_TAG);
	auto map2path = String::createWithFormat("%s%d%s", "images/level", level, "/bg.png");
	map2 = Sprite::create(map2path->getCString());
	map2->setPosition(map1->getContentSize().width+map2->getContentSize().width/2+origin.x, map2->getContentSize().height/2+origin.y);
	this->addChild(map2,1,MAP2_TAG);

	Sprite* edge1 = Sprite::create();
	edge1->setContentSize(visibleSize);
	PhysicsBody* edgeBody1 = PhysicsBody::createEdgeBox(visibleSize);
	edgeBody1->setDynamic(false);
	edgeBody1->setGravityEnable(false);
	edgeBody1->setMass(100000.0f);
	edgeBody1->getShape(0)->setRestitution(0.0f);
	edgeBody1->setContactTestBitmask(0xFF);
	edgeBody1->setCategoryBitmask(0x04);
	edgeBody1->setCollisionBitmask(0xFF);
	edgeBody1->getShape(0)->setTag(EDGE_TAG);
	edge1->setPhysicsBody(edgeBody1);
	edge1->setPosition(visibleSize.width/2,visibleSize.height/2);
	addChild(edge1,1,EDGEONE_TAG);

	Sprite* edge = Sprite::create();
	edge->setContentSize(visibleSize);
	PhysicsBody* edgeBody = PhysicsBody::createEdgeBox(Size(visibleSize.width,visibleSize.height/6));
	edgeBody->setDynamic(false);
	edgeBody->setGravityEnable(false);
	edgeBody->setMass(100000.0f);
	edgeBody->getShape(0)->setRestitution(0.0f);
	edgeBody->setContactTestBitmask(0xFF);
	edgeBody->setCategoryBitmask(0x04);
	edgeBody->setCollisionBitmask(0xFF);
	edgeBody->getShape(0)->setTag(EDGE_TAG);
	edge->setPhysicsBody(edgeBody);
	edge->setPosition(visibleSize.width / 2, visibleSize.height / 12);
	addChild(edge, 1, EDGE_TAG);


	Sprite* floor = Sprite::create();
	PhysicsBody* floorBody = PhysicsBody::createEdgeSegment(Point(0, visibleSize.height / 10), Point(visibleSize.width, visibleSize.height / 10));
	floorBody->setDynamic(false);
	floorBody->setGravityEnable(false);
	floorBody->getShape(0)->setRestitution(0.0f);
	floorBody->setMass(100000.0f);
	floorBody->setCategoryBitmask(0x0003);
	floorBody->setContactTestBitmask(0x0003);
	floorBody->setCollisionBitmask(0x0001);
	floor->setPosition(0, visibleSize.height / 10);
	floor->setPhysicsBody(floorBody);
	//this->addChild(floor,2,FLOOR_TAG);

	setEnemyFrameNumber();
	setPlayerFrameNumber();
	initDamage();

	player1 = new player();
	auto playerPath = String::createWithFormat("%s%d%s", "images/level", level, "/player.png");
	player1->sprite = Sprite::create(playerPath->getCString());
	PhysicsBody* playerBody = PhysicsBody::createBox(player1->sprite->getContentSize());
	playerBody->setRotationEnable(false);
	playerBody->getShape(0)->setRestitution(0.0f);
	playerBody->getShape(0)->setFriction(0.8f);
	playerBody->setMass(player1->mass);
	playerBody->setCollisionBitmask(0x04);
	playerBody->setCategoryBitmask(0x01);
	playerBody->setContactTestBitmask(0xFF);
	playerBody->getShape(0)->setTag(PLAYER_TAG);
	player1->sprite->setPhysicsBody(playerBody);
	player1->sprite->setPosition(player1->sprite->getContentSize().width/2+5, floor->getPositionY()+player1->sprite->getContentSize().height*3);
	addChild(player1->sprite,2,PLAYER_TAG);

	preLoadAnimation();

	auto backItem = MenuItemImage::create("images/CloseNormal.png", "images/CloseSelected.png", CC_CALLBACK_0(HelloWorld::backToChoseLevel, this));
	//auto pauseItem = MenuItemImage::create("CloseNormal.png", "CloseSelected.png", CC_CALLBACK_0(HelloWorld::pauseScene, this));
	auto popupItem = MenuItemImage::create("images/CloseNormal.png", "images/CloseSelected.png", CC_CALLBACK_0(HelloWorld::toPopup, this));
	//pauseItem->setPosition(-backItem->getContentSize().width,0);
//.........这里部分代码省略.........