graphics::vec2 Struct Reference

structure for 2-dimensional real type vector and its arithmetic. More...

#include <vec.h>

Public Member Functions
	vec2 ()
	vec2 (real a)
	vec2 (real v_1, real v_2)
	vec2 (const ivec2 &a)
	vec2 (const vec2 &a)
vec2 &	operator= (const vec2 &a)
real &	operator[] (int i)
const real &	operator[] (int i) const
real &	operator() (int i)
const real &	operator() (int i) const
bool	unit ()
real	length () const
bool	is_zero () const
bool	is_tiny (real tiny_tol=epsilon) const
int	is_parallel (const vec2 &, real=angle_tolerance) const
bool	is_perpendicular (const vec2 &, real=angle_tolerance) const
bool	perpendicular (const vec2 &)
bool	perpendicular (const vec2 &, const vec2 &)

Public Attributes
real	v [2]

Static Public Attributes
static const int	n = 2

Detailed Description

Definition at line 22 of file vec.h.

Constructor & Destructor Documentation

vec2() [1/5]

graphics::vec2::vec2 ( )

inline

Definition at line 26 of file vec.h.

vec2() [2/5]

graphics::vec2::vec2 ( real  a )

inline

Definition at line 27 of file vec.h.

vec2() [3/5]

graphics::vec2::vec2 ( real  v_1, real  v_2  )

inline

Definition at line 32 of file vec.h.

vec2() [4/5]

graphics::vec2::vec2 ( const ivec2 &  a )

inline

Definition at line 37 of file vec.h.

vec2() [5/5]

graphics::vec2::vec2 ( const vec2 &  a )

inline

Definition at line 42 of file vec.h.

Member Function Documentation

is_parallel()

int graphics::vec2::is_parallel	(	const vec2 &	vv,
		real	angle_tolerance = angle_tolerance
	)		const

Definition at line 22 of file vec.cpp.

is_perpendicular()

bool graphics::vec2::is_perpendicular	(	const vec2 &	vv,
		real	angle_tolerance = angle_tolerance
	)		const

Definition at line 44 of file vec.cpp.

is_tiny()

bool graphics::vec2::is_tiny ( real  tiny_tol = epsilon ) const

inline

Definition at line 62 of file vec.h.

is_zero()

bool graphics::vec2::is_zero ( ) const

inline

Definition at line 61 of file vec.h.

length()

real graphics::vec2::length

(

)

const

Definition at line 17 of file vec.cpp.

operator()() [1/2]

real& graphics::vec2::operator() ( int  i )

inline

Definition at line 55 of file vec.h.

operator()() [2/2]

const real& graphics::vec2::operator() ( int  i ) const

inline

Definition at line 56 of file vec.h.

operator=()

vec2& graphics::vec2::operator= ( const vec2 &  a )

inline

Definition at line 47 of file vec.h.

operator[]() [1/2]

real& graphics::vec2::operator[] ( int  i )

inline

Definition at line 53 of file vec.h.

operator[]() [2/2]

const real& graphics::vec2::operator[] ( int  i ) const

inline

Definition at line 54 of file vec.h.

perpendicular() [1/2]

bool graphics::vec2::perpendicular

(

const vec2 &

vv

)

Definition at line 62 of file vec.cpp.

perpendicular() [2/2]

bool graphics::vec2::perpendicular	(	const vec2 &	p,
		const vec2 &	q
	)

Definition at line 73 of file vec.cpp.

unit()

bool graphics::vec2::unit

(

)

Definition at line 8 of file vec.cpp.

Member Data Documentation

n

const int graphics::vec2::n = 2

static

Definition at line 24 of file vec.h.

v

real graphics::vec2::v[2]

Definition at line 23 of file vec.h.

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The documentation for this struct was generated from the following files:

• graphics/vec.h
• graphics/src/vec.cpp