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C++ b2Body类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中b2Body的典型用法代码示例。如果您正苦于以下问题:C++ b2Body类的具体用法?C++ b2Body怎么用?C++ b2Body使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了b2Body类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: keyDown

    bool keyDown (int keyCode) {
        if (keyCode == gdx_cpp::Input::Keys::COMMA) {
            if (m_bullet != NULL) {
                world->DestroyBody(m_bullet);
                m_bullet = NULL;
            }

            {
                b2CircleShape * shape = new b2CircleShape();
                shape->m_radius = 0.25f;

                b2FixtureDef fd;
                fd.shape = shape;
                fd.density = 20.0f;
                fd.restitution = 0.05f;

                b2BodyDef bd;
                bd.type = b2_dynamicBody;
                bd.bullet = true;
                bd.position.Set(-31, 5);

                m_bullet = world->CreateBody(&bd);
                m_bullet->CreateFixture(&fd);

                m_bullet->SetLinearVelocity(b2Vec2(400, 0));
            }
        }

        return false;
    }
开发者ID:henviso,项目名称:libgdx-cpp,代码行数:30,代码来源:VerticalStack.cpp


示例2: Car

	//constructor
	Car(b2World* world){
		b2BodyDef bodyDef;
		bodyDef.type = b2_dynamicBody;
		w_body = world->CreateBody(&bodyDef);


		b2PolygonShape polygonShape;
		polygonShape.SetAsBox(0.5f, 1.25f);
		b2Fixture* fixture = w_body->CreateFixture(&polygonShape, 1);//shape, density
		fixture->SetUserData(new CarTireFUD());

		w_body->SetUserData(this);

		currentTraction = 1;
	}
开发者ID:Bryans91,项目名称:Box2DSFML,代码行数:16,代码来源:Car.cpp


示例3: Pelota

	Pelota(b2World* _world ,RenderWindow *_wnd){
		//guardamos puntero a ventana para dibujar luego
		wnd=_wnd;
		_image= new Image();
		_image->LoadFromFile("pelota.jpg");
		//cargamos el sprite
		_sprite= new Sprite(*_image);

		//definimos el body y lo creamos
		b2BodyDef bodyDef;
		bodyDef.type = b2_dynamicBody;
		bodyDef.position.Set(100.0f, 0.0f);
		_body = _world->CreateBody(&bodyDef);

		//creamos su figura de colisión
		//en este caso suponemos que la figura de
		//colision es una caja cuadrada		
		b2PolygonShape dynamicBox;
		dynamicBox.SetAsBox(20.0f, 20.0f);

		//creamos el fixture, le seteamos 
		//la figura de colision
		//y agregamos el fixture al body
		b2FixtureDef fixtureDef;
		fixtureDef.shape = &dynamicBox;
		fixtureDef.density = 10.0f;
		fixtureDef.friction = 0.3f;
		fixtureDef.restitution=1.0f;
		_body->CreateFixture(&fixtureDef);
	
	}
开发者ID:dexter1986,项目名称:unli,代码行数:31,代码来源:Box2dEmptyApp.cpp


示例4: CreateFixture

Value CreateFixture(b2Body &body, b2Shape &shape)
{
	auto fixture = body.CreateFixture(&shape, 1.0f);
	auto r = new Renderable("color");
	fixture->SetUserData(r);
	return Value((int)fixtures->Add(fixture));
}
开发者ID:DawidvC,项目名称:lobster,代码行数:7,代码来源:physics.cpp


示例5: generateId

void Box2dContainer::assignNode(b2Body& body, cocos2d::Node& node)
{
    if (!nodeToId.count(&node)) {
        auto newId = generateId();
        nodeToId[&node] = newId;
        idToNode[newId] = &node;
    }

    body.SetUserData(static_cast<void*>(nodeToId[&node]));
}
开发者ID:Ratel13,项目名称:avalon,代码行数:10,代码来源:Box2dContainer.cpp


示例6: Ball

    Ball(b2World* world, float radius) {
      m_body = NULL;
      m_radius = radius;
      b2BodyDef myBodyDef;
      myBodyDef.type = b2_dynamicBody;
      myBodyDef.position.Set(0, 20);    
      m_body = world->CreateBody(&myBodyDef);
        m_contacting = false;

  
      //add circle fixture
      b2CircleShape circleShape;
      circleShape.m_p.Set(0, 0); 
      circleShape.m_radius = m_radius; //use class variable
      b2FixtureDef myFixtureDef;
      myFixtureDef.shape = &circleShape;
      myFixtureDef.density = 1; 
      m_body->CreateFixture(&myFixtureDef); 
    m_body->SetUserData( this ); 
    }
开发者ID:ChanukyaVardhan,项目名称:Project,代码行数:20,代码来源:cs251_base+collision.hpp


示例7: CreateFixture

Value CreateFixture(VM &vm, b2Body &body, b2Shape &shape) {
	auto fixture = body.CreateFixture(&shape, 1.0f);
    auto po = new PhysicsObject(Renderable("color"), fixture);
	fixture->SetUserData(po);
	return Value(vm.NewResource(po, &physics_type));
}
开发者ID:aardappel,项目名称:treesheets,代码行数:6,代码来源:physics.cpp


示例8:

const b2Vec2 Box2dService::retrieveTopLeftVertex(const b2Body &objectBody) {
	return objectBody.GetWorldPoint(dynamic_cast<const b2PolygonShape*>(findNonSensorFixture(*objectBody.GetFixtureList()).GetShape())->GetVertex(3));
}
开发者ID:edwardrowens,项目名称:jimmyjump,代码行数:3,代码来源:Box2dService.cpp


示例9: CreateGroundBox

// Create a horizontal box fixture attached to the ground body.
b2Fixture* BodyContactTests::CreateGroundBox()
{
	b2Assert(m_groundBody);
	b2PolygonShape shape;
	shape.SetAsBox(10.0f * m_particleDiameter, m_particleDiameter);
	return m_groundBody->CreateFixture(&shape, 0.0f);
}
开发者ID:3rd3,项目名称:liquidfun,代码行数:8,代码来源:BodyContactsTests.cpp


示例10: CreateValley

// Create a valley (similar to the Anti-Pointy test in the Testbed) and
// attach to the ground body.
void BodyContactTests::CreateValley()
{
	b2Assert(m_groundBody);
	float32 i;
	const float32 step = 1.0f;
	for (i = -10.0f; i < 10.0f; i+=step)
	{
		b2PolygonShape shape;
		const b2Vec2 vertices[] = {
			b2Vec2(i, -10.0f),
			b2Vec2(i+step, -10.0f),
			b2Vec2(0.0f, 15.0f)
		};
		shape.Set(vertices, B2_ARRAY_SIZE(vertices));
		m_groundBody->CreateFixture(&shape, 0.0f);
	}
	for (i = -10.0f; i < 35.0f; i+=step)
	{
		b2PolygonShape shape;
		const b2Vec2 vertices[] = {
			b2Vec2(-10.0f, i),
			b2Vec2(-10.0f, i+step),
			b2Vec2(0.0f, 15.0f)
		};
		shape.Set(vertices, B2_ARRAY_SIZE(vertices));
		m_groundBody->CreateFixture(&shape, 0.0f);

		const b2Vec2 vertices2[] = {
			b2Vec2(10.0f, i),
			b2Vec2(10.0f, i+step),
			b2Vec2(0.0f, 15.0f)
		};
		shape.Set(vertices2, B2_ARRAY_SIZE(vertices2));
		m_groundBody->CreateFixture(&shape, 0.0f);
	}
}
开发者ID:3rd3,项目名称:liquidfun,代码行数:38,代码来源:BodyContactsTests.cpp


示例11: block

    block(float w,float h,float x,float y,int a, b2World* m_world,int s_d=0, float friction =1.0f,float density=1.0f)
    {

        b2PolygonShape shape;
        shape.SetAsBox(w, h);


        bd.angle = a; //set the starting angle
        bd.position.Set(x, y);
        if(s_d==1)bd.type = b2_dynamicBody;
        if(s_d==0)bd.type = b2_staticBody;
        body = m_world->CreateBody(&bd);
        b2FixtureDef *fd = new b2FixtureDef;
        fd->density = density;
        fd->shape = new b2PolygonShape;
        fd->shape = &shape;
        fd->friction = friction;
        fd->restitution = 0.0f;
        body->CreateFixture(fd);

    }
开发者ID:Pushyarag,项目名称:Box2D,代码行数:21,代码来源:dominos.cpp


示例12: updateDrive

	void updateDrive(int controlState) {

		//find desired speed
		float desiredSpeed = 0;
		switch (controlState & (TDC_UP | TDC_DOWN)) {
		case TDC_UP:   desiredSpeed = maxForwardSpeed;  break;
		case TDC_DOWN: desiredSpeed = maxBackwardSpeed; break;
		default: return;//do nothing
		}

		//find current speed in forward direction
		b2Vec2 currentForwardNormal = w_body->GetWorldVector(b2Vec2(0, 1));
		float currentSpeed = b2Dot(getForwardVelocity(), currentForwardNormal);

		//apply necessary force
		float force = 0;
		if (desiredSpeed > currentSpeed)
			force = maxDriveForce;
		else if (desiredSpeed < currentSpeed)
			force = -maxDriveForce;
		else
			return;
		//w_body->ApplyForce(currentTraction * force * currentForwardNormal, w_body->GetWorldCenter());
	}
开发者ID:Bryans91,项目名称:Box2DSFML,代码行数:24,代码来源:Car.cpp


示例13: getLateralVelocity

	b2Vec2 getLateralVelocity() {
		b2Vec2 currentRightNormal = w_body->GetWorldVector(b2Vec2(1, 0));
		return b2Dot(currentRightNormal, w_body->GetLinearVelocity()) * currentRightNormal;
	}
开发者ID:Bryans91,项目名称:Box2DSFML,代码行数:4,代码来源:Car.cpp


示例14: ActualizarPosiciones

	//metodo que posiciona el sprites
	//segun la posicion del body
	void ActualizarPosiciones(){
		b2Vec2 pos=_body->GetPosition();
		_sprite->SetPosition(pos.x,pos.y);
	}
开发者ID:dexter1986,项目名称:unli,代码行数:6,代码来源:Box2dEmptyApp.cpp


示例15:

	//destructor
	~Car(){
		w_body->GetWorld()->DestroyBody(w_body);
	}
开发者ID:Bryans91,项目名称:Box2DSFML,代码行数:4,代码来源:Car.cpp


示例16: applyForceToCenter

	/// Apply a force to the center of the rigid body
	virtual void applyForceToCenter(Vector2D force)
	{
		_body->ApplyLinearImpulse(b2Vec2(force.x, force.y), _body->GetLocalCenter());
	}
开发者ID:GrimshawA,项目名称:Nephilim,代码行数:5,代码来源:Box2DSystem.cpp


示例17: applyAngularImpulse

	/// Apply a angular impulse to the object (2D)
	virtual void applyAngularImpulse(float impulse2d)
	{
		_body->ApplyAngularImpulse(impulse2d);
	}
开发者ID:GrimshawA,项目名称:Nephilim,代码行数:5,代码来源:Box2DSystem.cpp


示例18: operator

	b2Fixture * operator()(const CollisionPolygonDef & aDef) const
	{
		b2Fixture *fixture = mBody->CreateFixture(&aDef.mFixture);
		fixture->SetUserData(mBody->GetUserData());
		return fixture;
	}
开发者ID:Fissuras,项目名称:videoventure,代码行数:6,代码来源:Collidable.cpp


示例19: geometry

 sf::FloatRect geometry() {
     sf::Vector2f bod_pos = vHelper::toSF(m_box_body->GetPosition());
     sf::Vector2f position(bod_pos.x - (m_size.x / 2), bod_pos.y - (m_size.y / 2));
     return sf::FloatRect{ position.x, position.y, (float)m_size.x, (float)m_size.y };
 }
开发者ID:Joshmoo2009,项目名称:FYP_1516_JoshMooney,代码行数:5,代码来源:XYPlatform.hpp


示例20:

	virtual float getRotation2D()
	{
		return _body->GetAngle();
	}
开发者ID:GrimshawA,项目名称:Nephilim,代码行数:4,代码来源:Box2DSystem.cpp



注:本文中的b2Body类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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