Axis2 Class Reference

A core axis class. More...

#include <axis.h>

Inheritance diagram for Axis2:

Public Member Functions
	Axis2 ()
	Empty.
	Axis2 (const Vector2 &, const Vector2 &)
	Creates an axis given end vertices.
	~Axis2 ()
	Empty.
Vector2	Vertex (int) const
	Return one of the end vertexes of the axis.
Vector2	Point (const double &) const
	Compute a point on the axis.
Vector2	GetAxis () const
	Returns the normalized axis vector.
constexpr double	Length () const
	Return the axis length.
void	Translate (const Vector2 &)
	Translation.
void	Rotate (const Matrix2 &)
	Rotation.
void	Scale (const double &)
	Scaling.
Vector2	Symmetric (const Vector2 &) const
	Symmetric point.
Circle2	Symmetric (const Circle2 &) const
	Symmetric circle.
Box2	Symmetric (const Box2 &) const
	Symmetric box.

Protected Member Functions
double	Radial (const Vector2 &, Vector2 &, Vector2 &) const
	Compute the radial coordinates of a point.
Vector2	Radial (const Vector2 &) const
	Compute the radial coordinates of a point.

Protected Attributes
Vector2	b = Vector2(1.0, 0.0)
	End vertexes of the axis.
Vector2	axis = Vector2::X
	Normalized axis vector.
double	length = 1.0
	Length of the axis.

Friends
std::ostream &	operator<< (std::ostream &s, const Axis2 &axis)
	Overloaded.

Detailed Description

A core axis class.

Constructor & Destructor Documentation

Axis2()

Axis2::Axis2 ( const Vector2 & a, const Vector2 & b )

explicit

Creates an axis given end vertices.

Parameters

a,b	End vertices of the axis.

Member Function Documentation

Radial() [1/2]

Vector2 Axis2::Radial ( const Vector2 & p ) const

inlineprotected

Compute the radial coordinates of a point.

Parameters

p

Point.

Returns

A vector (x,y) where x is the radial coordinate and y the axial coordinate.

Radial() [2/2]

double Axis2::Radial ( const Vector2 & p, Vector2 & av, Vector2 & rv ) const

inlineprotected

Compute the radial coordinates of a point.

Parameters

p	Point.
av	Returned axis vector.
rv	Returned radial vector.

Returns

Axial coordinate.

Rotate()

void Axis2::Rotate

(

const Matrix2 &

r

)

Rotation.

Parameters

r	Rotation matrix.

Scale()

void Axis2::Scale

(

const double &

s

)

Scaling.

Parameters

s	Scaling factor.

Symmetric() [1/3]

Box2 Axis2::Symmetric

(

const Box2 &

box

)

const

Symmetric box.

Parameters

box

The box.

Symmetric() [2/3]

Circle2 Axis2::Symmetric

(

const Circle2 &

circle

)

const

Symmetric circle.

Parameters

circle

The circle.

Symmetric() [3/3]

Vector2 Axis2::Symmetric

(

const Vector2 &

p

)

const

Symmetric point.

Parameters

p	The point.

Translate()

void Axis2::Translate

(

const Vector2 &

t

)

Translation.

Parameters

t	Translation vector.

Friends And Related Symbol Documentation

operator<<

std::ostream & operator<< ( std::ostream & s, const Axis2 & axis )

friend

Overloaded.

Parameters

s	Stream.
axis	The axis.