Lens Class Reference

Lenses with uniform radius. More...

#include <lens.h>

Public Member Functions
	Lens (const Vector &, const Vector &, const double &)
	Create a lens.
	Lens (const Vector &, const double &, const double &)
	Create a lens.
bool	Inside (const Vector &) const
	Test if a point is inside the lens.
double	R (const Vector &) const
	Compute the squared Euclidean distance to the lens.
double	Signed (const Vector &) const
	Compute the Euclidean distance to the lens.
Vector	Center () const
	Compute the center of the lens.
double	Height () const
	Compute the height of the lens.
double	Thickness () const
	Compute the thickness of the lens.
void	Rotate (const Matrix &)
	Rotates a lens.
void	Translate (const Vector &)
	Translate a lens.
void	Scale (const double &)
	Scale a lens.
Box	GetBox () const
	Compute the (tight) bounding box.

Protected Attributes
Vector	b = -Vector::X
	Centers.
double	r = 3.0
	Radius.

Friends
std::ostream &	operator<< (std::ostream &s, const Lens &l)
	Overloaded.

Detailed Description

Lenses with uniform radius.

A lens is defined as the intersection of two spheres with the same radius.

Constructor & Destructor Documentation

Lens() [1/2]

Lens::Lens ( const Vector & a, const Vector & b, const double & r )

explicit

Create a lens.

Parameters

a,b	Centers of the circles.
r	Radius.

Lens() [2/2]

Lens::Lens ( const Vector & c, const double & t, const double & h )

explicit

Create a lens.

Parameters

c	Centers of the lens.
t	Thickness.
h	Height.

Member Function Documentation

Inside()

bool Lens::Inside

(

const Vector &

p

)

const

Test if a point is inside the lens.

Parameters

p

Point.

R()

double Lens::R

(

const Vector &

p

)

const

Compute the squared Euclidean distance to the lens.

Parameters

p

Point.

Rotate()

void Lens::Rotate

(

const Matrix &

r

)

Rotates a lens.

Parameters

r	Rotation matrix.

Scale()

void Lens::Scale

(

const double &

s

)

Scale a lens.

Parameters

s	Scaling factor.

Signed()

double Lens::Signed

(

const Vector &

p

)

const

Compute the Euclidean distance to the lens.

Parameters

p

Point.

Translate()

void Lens::Translate

(

const Vector &

t

)

Translate a lens.

Parameters

t	Translation vector.

Friends And Related Symbol Documentation

operator<<

std::ostream & operator<< ( std::ostream & s, const Lens & l )

friend

Overloaded.

Parameters

s	Stream.
l	Lens.