CircleBoundary Class Reference

#include "AreaBoundary.h"

Inheritance diagram for CircleBoundary:

Public Member Functions
	CircleBoundary (Position const &center, double radius, bool isInverted=false)
	CircleBoundary (Position const &center, Position const &pointOnCircle, bool isInverted=false)
Public Member Functions inherited from AreaBoundary
bool	IsWithinBoundary (Position const *pos) const
bool	IsWithinBoundary (Position const &pos) const
virtual	~AreaBoundary ()

Protected Member Functions
bool	IsWithinBoundaryArea (Position const *pos) const override
Protected Member Functions inherited from AreaBoundary
	AreaBoundary (bool isInverted)
virtual bool	IsWithinBoundaryArea (Position const *pos) const =0

Private Attributes
DoublePosition const	_center
double const	_radiusSq

Detailed Description

Constructor & Destructor Documentation

CircleBoundary() [1/2]

CircleBoundary::CircleBoundary	(	Position const &	center,
		double	radius,
		bool	isInverted = false
	)

                                                                                     :
    AreaBoundary(isInverted), _center(center), _radiusSq(radius*radius) { }

CircleBoundary() [2/2]

CircleBoundary::CircleBoundary	(	Position const &	center,
		Position const &	pointOnCircle,
		bool	isInverted = false
	)

                                                                                                     :
    AreaBoundary(isInverted), _center(center), _radiusSq(_center.GetDoubleExactDist2dSq(pointOnCircle)) { }

Member Function Documentation

IsWithinBoundaryArea()

bool CircleBoundary::IsWithinBoundaryArea ( Position const *  pos ) const

overrideprotectedvirtual

Implements AreaBoundary.

{
    double offX = _center.GetDoublePositionX() - pos->GetPositionX();
    double offY = _center.GetDoublePositionY() - pos->GetPositionY();
    return offX * offX + offY * offY <= _radiusSq;
}

References _center, _radiusSq, AreaBoundary::DoublePosition::GetDoublePositionX(), AreaBoundary::DoublePosition::GetDoublePositionY(), Position::GetPositionX(), and Position::GetPositionY().

Member Data Documentation

_center

DoublePosition const CircleBoundary::_center

private

Referenced by IsWithinBoundaryArea().

_radiusSq

double const CircleBoundary::_radiusSq

private

Referenced by IsWithinBoundaryArea().