C++ Vector2D::getY方法代码示例

void BotonMenu::actualizar()
{
    Vector2D* pMousePos = ManejadorDeEntrada::Instancia()->getMousePosition();

    if(pMousePos->getX() < (posicion.getX() + ancho) && pMousePos->getX() > posicion.getX()
       && pMousePos->getY() < (posicion.getY() + altura) && pMousePos->getY() > posicion.getY())
    {
        if(ManejadorDeEntrada::Instancia()->getMouseButtonState(LEFT) && bLiberado)
        {
            frameActual = CLICKED;

            if(callback != 0)
            {
                callback();
            }

            bLiberado = false;
        }
        else if(!ManejadorDeEntrada::Instancia()->getMouseButtonState(LEFT))
        {
            bLiberado = true;
            frameActual = MOUSE_OVER;
        }
    }
    else
    {
        frameActual = MOUSE_OUT;
    }
}

bool BoundingBox::overlaps(const Vector2D &startOfLine, const Vector2D &endOfLine) {

  // FIXME: optimize me!
  RectangleGeo rect( Vector2D( box.x, box.y ),
		  Vector2D( box.x + box.w, box.y + box.h ) );
  // FIXME: optimize me!

  bool overlaps = false;

  overlaps = rect.isInside( endOfLine );
  if ( overlaps ) return true;
  overlaps = rect.isInside( startOfLine );
  if ( overlaps ) return true;

  // check some points between the two end points
  Vector2D delta((endOfLine.getX() - startOfLine.getX()) / 4.0,
		 (endOfLine.getY() - startOfLine.getY()) / 4.0);
  Vector2D actPoint = startOfLine + delta;
  int i = 1;
  while (!overlaps && i <= 3 ) {
    overlaps = rect.isInside(actPoint);
    actPoint += delta;
    i++;
  }
  return overlaps;
}

void GraphicsBuffer::fillRegion( const Vector2D& ul, const Vector2D& lr, const ALLEGRO_COLOR& color )
{
	ALLEGRO_BITMAP* pOldTarget = GraphicsSystem::switchTargetBitmap( mpBitmap );
	al_draw_filled_rectangle( ul.getX(), ul.getY(), lr.getX(), lr.getY(), color );
	GraphicsSystem::switchTargetBitmap( pOldTarget );

}

void MenuButton::update()
{
    Vector2D* pMousePos = TheInputHandler::Instance()->getMousePosition();
    
	if (pMousePos->getX() < (SDL_RATIO_X(m_position.getX()) + SDL_RATIO_X(m_width)) && pMousePos->getX() > SDL_RATIO_X(m_position.getX())
		&& pMousePos->getY() < (SDL_RATIO_Y(m_position.getY()) + SDL_RATIO_Y(m_height)) && pMousePos->getY() > SDL_RATIO_Y(m_position.getY()))
    {
        if(TheInputHandler::Instance()->getMouseButtonState(LEFT) && m_bReleased)
        {
            m_currentFrame = CLICKED;
            
            if(m_callback != 0)
            {
                m_callback();
            }
            
            m_bReleased = false;
        }
        else if(!TheInputHandler::Instance()->getMouseButtonState(LEFT))
        {
            m_bReleased = true;
            m_currentFrame = MOUSE_OVER;
        }
    }
    else
    {
        m_currentFrame = MOUSE_OUT;
    }
}

void MenuButton::update(){
    Vector2D<double>* pMousePos = InputHandler::Instance()->getMousePosition();
    
    double zoom = Game::Instance()->getGlobalZoom();

    
    if (pMousePos->getX() < GetParams().getX() * zoom +
        GetParams().getWidth() * zoom &&
        pMousePos->getX() > GetParams().getX() * zoom  &&
        pMousePos->getY() < GetParams().getY()  * zoom +
        GetParams().getHeight() * zoom  &&
        pMousePos->getY() > GetParams().getY() * zoom
        ){
        GetParams().setFrame(MOUSE_OVER);
        
        if (InputHandler::Instance()->getMouseButtonState(LEFT)){
            GetParams().setFrame(MOUSE_CLICKED);
            if (m_bReleased && m_callback){
                m_callback();
                m_bReleased = false;
            }
        } else{
            m_bReleased = true;
        }
    } else {
        GetParams().setFrame(MOUSE_OUT);
    }
    
}

int main(int argc, char** argv) {
    
    srand(time(NULL));    // seed random
    
    std::cout << CLEAR;
    
    // get 2 vector objects based on randomly generated 2D Vectors
    Vector2D vectorA = randVector();
    Vector2D vectorB = randVector();
    
    // output Vectors to console
    std::cout << "vectorA = " << vectorA.getX() << "x + " <<
            vectorA.getY() << "y\n";
    std::cout << "vectorB = " << vectorB.getX() << "x + " <<
            vectorB.getY() << "y\n";
    std::cout << "\nLAB ASSIGNMENT PART 1: VECTOR DOT PRODUCT WITH * "
            << "OPERATOR OVERLOAD\n";
    std::cout << "--------------------------------------------------------"
            <<"----------\n";
    std::cout << "Dot product = vectorA * vectorB = " << vectorA * vectorB
            << std::endl;
    
    // Lab part 2 - do vector addition overload with + operator
    std::cout << "\nLAB ASSIGNMENT PART 2: VECTOR ADDITION WITH + "
            << "OPERATOR OVERLOAD\n";
    std::cout << "-------------------------------------------------------"
            <<"--------\n";
    Vector2D vectorC = vectorA + vectorB;
    std::cout << "Vector addition = vectorA + vectorB = " <<
            (vectorC).getX() << "x + " <<
            (vectorC).getY() << "y\n";
            

    return 0;
}

bool BoundingBox::isBound(Vector2D vector)
{
	if (vector.getX() < topLeft.getX())
		if (vector.getX() > bottomRight.getX())
			if (vector.getY() < topLeft.getY())
				if (vector.getY() > bottomRight.getY())
					return true;
	return false;
}

        void VideoManager::setVideoMode(const Vector2D &size)
        {
            this->size = Vector2D((float)(int) size.getX(),
                    (float)(int) size.getY());

            SDL_SetVideoMode((int) size.getX(), (int) size.getY(), 0, flags);
            SDL_ShowCursor(0);
            
            setVideoDefaults();
        }

void Painter::drawLine(Vector2D& p1, Vector2D& p2)
{
	// no need to reinvent the wheel
	int x1 = static_cast<int>(p1.getX());
	int y1 = static_cast<int>(p1.getY());
	int x2 = static_cast<int>(p2.getX());
	int y2 = static_cast<int>(p2.getY());

	this->drawLine(x1, y1, x2, y2, lineColor_);
}

void Items::GenerateItemNow( Vector2D pos, Vector2D vel )
{
	if( pos.getX() < 10 ) pos.setX( 10.f );
	if( pos.getX() > m_iScreenWidth-10 ) pos.setX( m_iScreenWidth-10.f );
	if( pos.getY() < 100 && vel.getY() < 5 ) vel.setY( 5 );

	int itemType = GetRandValue( ITEM_APPEAR_CHANCES, NR_ITEM_TYPES );
	Item *item = new Item( pos, vel, (ItemTypes)itemType, m_iItemLifeTime, m_iScreenWidth );
	AddItem( item );
}

void Painter::drawRect(Vector2D& topleft, Vector2D& bottomright)
{
	Vector2D diff = bottomright - topleft;

	int x      = static_cast<int>(topleft.getX());
	int y      = static_cast<int>(topleft.getY());
	int width  = static_cast<int>(diff.getX());
	int height = static_cast<int>(diff.getY());

	drawRect(x, y, width, height);
}

 bool BoundingBox::hasPoint(const Vector2D &point) const
 {
     if(point.getX() < topLeft.getX())
         return false;
     if(point.getX() > bottomRight.getX())
         return false;
     if(point.getY() < topLeft.getY())
         return false;
     if(point.getY() > bottomRight.getY())
         return false;
     return true;
 }

void TripleAntenna::renderFeedback(Object *object, Environment *environment) {
    if (object == environment->getPlayer() && nearestObject) {
        if (nearestObject->isVisible()) {
            Vector2D windowPos = environment->getWindowPos(object->getPosition());        
            Vector2D objectWindowPos = environment->getWindowPos(nearestObjectPosition);
            al_draw_line(windowPos.getX(),
                         windowPos.getY(),
                         objectWindowPos.getX(),
                         objectWindowPos.getY(),
                         al_map_rgb(196, 196, 196), 2.0);
        }
    }
}

bool Collision::AABBtoAABB(Box &a, Box &b, Vector2D &Nnormal)
{
	ManifoldAABBtoAABB m;
	//!Min and max collision. Checks if the two boxes have collided.
	Vector2D centreDist = b.getPosition().subtract(a.getPosition());
	//! Overlapping in X.
	float xLap =a.getWidth()/2 + b.getWidth()/2 - std::abs(centreDist.getX());
	float yLap = a.getHeight()/2 + b.getHeight()/2 - std::abs(centreDist.getY());
	//! Overlapping in Y.
	if(xLap > 0)
	{

		if (yLap > 0)
		{
			if (xLap > yLap)
			{

				if(centreDist.getY() < 0)
				{
					normal.setXandY(0,-1);//!< Collides Top of A with bottom of B
				}
				else
				{
					normal.setXandY(0,1);//!< Collides Bottom of box A with top of box B

				}
				penetrationDepth = yLap;//!< Sets the penetration depth according to the collision
			}
			else
			{
				//point normal towards b as n is from A to B on y axis
				if(centreDist.getX() < 0)
				{
					normal.setXandY(1,0);//!< Collides Left of box A with Right of Box B
				}
				else
				{
					normal.setXandY(-1,0);//!< Collides Right of box A with Left of Box B
				}
				penetrationDepth = xLap;//!< Sets the penetration depth
			}
		}
		else{ return false;}
	}
	else{ return false;}
	
	Nnormal = normal;//!< return the normal. To use for enemies.
	return true;

}

        BoundingBox::BoundingBox(vector<Vector2D> *points)
        {
            MathManager *mathManager = MathManager::getInstance();
            if(points->size() >= 2) {
                vector<Vector2D>::iterator iterator = points->begin();
                Vector2D first = *iterator;
                iterator++;
                Vector2D second = *iterator;

                topLeft = Vector2D(mathManager->min<float>(first.getX(),
                        second.getX()),
                        mathManager->min<float>(first.getY(), second.getY()));
                bottomRight = Vector2D(mathManager->max<float>(
                        first.getX(), second.getX()),
                        mathManager->max<float>(first.getY(), second.getY()));

                /* Expand. */
                for(iterator = points->begin(); iterator != points->end();
                        iterator++) {
                    Vector2D point = *iterator;
                    if(point.getX() < topLeft.getX())
                        topLeft.setX(point.getX());
                    if(point.getX() > bottomRight.getX())
                        bottomRight.setX(point.getX());
                    if(point.getY() < topLeft.getY())
                        topLeft.setY(point.getY());
                    if(point.getY() > bottomRight.getY())
                        bottomRight.setY(point.getY());
                }
            } else {
                LogManager::getInstance()->warning(
                        "Boundingbox based on < 2 points."); 
            }
        }