2D vector using two value_type components. More...

#include <vec2f.hpp>

Inheritance diagram for jau::math::Vector2F< Value_type, >:

Collaboration diagram for jau::math::Vector2F< Value_type, >:

Public Types
typedef const value_type *	const_iterator

typedef const value_type *	const_pointer

typedef const value_type &	const_reference

typedef value_type *	iterator

typedef value_type *	pointer

typedef value_type &	reference

typedef Value_type	value_type

Public Member Functions
constexpr	Vector2F () noexcept

constexpr	Vector2F (const value_type v) noexcept

constexpr	Vector2F (const value_type x_, const value_type y_) noexcept

constexpr	Vector2F (const Vector2F &o) noexcept=default

constexpr	Vector2F (Vector2F &&o) noexcept=default

constexpr Vector2F &	add (const value_type dx, const value_type dy) noexcept
	this = this + {sx, sy}, returns this. More...

constexpr_cxx26 value_type	angle () const noexcept
	Return the direction angle of this vector in radians. More...

constexpr_cxx26 value_type	angle (const Vector2F &o) const noexcept
	Return the angle between two vectors in radians. More...

constexpr iterator	begin () noexcept

constexpr const_iterator	cbegin () const noexcept

constexpr value_type	cos_angle (const Vector2F &o) const noexcept
	Return the cosines of the angle between two vectors. More...

constexpr value_type	cross (const Vector2F &o) const noexcept
	Returns cross product of this vectors and the given one, i.e. More...

constexpr value_type	dist (const Vector2F &o) const noexcept
	Return the distance between this vector and the given one. More...

constexpr value_type	dist_sq (const Vector2F &o) const noexcept
	Return the squared distance between this vector and the given one. More...

constexpr value_type	dot (const Vector2F &o) const noexcept
	Return the dot product of this vector and the given one. More...

constexpr iterator	get (iterator xy) const noexcept
	xy = this, returns xy. More...

constexpr_cxx23 bool	intersects (const Vector2F &o) const noexcept

constexpr bool	is_zero () const noexcept

constexpr value_type	length () const noexcept
	Return the length of this vector, a.k.a the norm or magnitude More...

constexpr value_type	length_sq () const noexcept
	Return the squared length of this vector, a.k.a the squared norm or squared magnitude More...

constexpr Vector2F &	mul (const value_type sx, const value_type sy) noexcept
	this = this * {sx, sy}, returns this. More...

constexpr Vector2F	normal_ccw () const noexcept
	Return the counter-clock-wise (CCW) normal of this vector, i.e. More...

constexpr Vector2F &	normalize () noexcept
	Normalize this vector in place, returns *this. More...

	operator const_pointer () const noexcept

	operator pointer () noexcept

constexpr Vector2F &	operator*= (const value_type s) noexcept
	Scale this vector with given scale factor. More...

constexpr Vector2F &	operator+= (const Vector2F &rhs) noexcept
	this = this + rhs, returns this. More...

constexpr Vector2F &	operator-= (const Vector2F &rhs) noexcept
	this = this - rhs, returns this. More...

constexpr Vector2F &	operator/= (const value_type s) noexcept
	Divide this vector with given scale factor. More...

constexpr Vector2F &	operator= (const Vector2F &) noexcept=default

constexpr Vector2F &	operator= (Vector2F &&) noexcept=default

constexpr bool	operator== (const Vector2F &rhs) const noexcept

constexpr value_type	operator[] (size_t i) const noexcept
	Returns read-only component. More...

constexpr reference	operator[] (size_t i) noexcept
	Returns writeable reference to component. More...

constexpr_cxx26 Vector2F &	rotate (const value_type radians) noexcept
	Rotates this vector in place, returns *this. More...

constexpr_cxx26 Vector2F &	rotate (const value_type radians, const Vector2F &ctr) noexcept
	Rotates this vector in place, returns *this. More...

constexpr Vector2F &	rotate (const value_type sin, const value_type cos) noexcept
	Rotates this vector in place, returns *this. More...

constexpr Vector2F &	rotate (const value_type sin, const value_type cos, const Vector2F &ctr) noexcept
	Rotates this vector in place, returns *this. More...

constexpr Vector2F &	scale (const value_type s) noexcept
	this = this * s, returns this. More...

constexpr Vector2F &	set (const value_type vx, const value_type vy) noexcept
	TODO constexpr bool operator<=>(const vec2f_t& rhs ) const noexcept { return ... }. More...

constexpr Vector2F &	set (const_iterator xy) noexcept
	this = xy, returns this. More...

std::string	toString () const noexcept

Static Public Member Functions
static constexpr_cxx26 Vector2F	from_length_angle (const value_type magnitude, const value_type radians) noexcept

Public Attributes
value_type	x

value_type	y

Static Public Attributes
static constexpr const size_t	byte_size = components * sizeof(value_type)
	Size in bytes (aligned) More...

static constexpr const size_t	components = 2
	Number of components More...

static constexpr const value_type	one = value_type(1)

static constexpr const value_type	zero = value_type(0)

Detailed Description

template<typename Value_type, std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>
class jau::math::Vector2F< Value_type, >

2D vector using two value_type components.

Definition at line 49 of file vec2f.hpp.

Member Typedef Documentation

◆ value_type

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

typedef Value_type jau::math::Vector2F< Value_type, >::value_type

Definition at line 51 of file vec2f.hpp.

◆ pointer

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

typedef value_type* jau::math::Vector2F< Value_type, >::pointer

Definition at line 52 of file vec2f.hpp.

◆ const_pointer

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

typedef const value_type* jau::math::Vector2F< Value_type, >::const_pointer

Definition at line 53 of file vec2f.hpp.

◆ reference

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

typedef value_type& jau::math::Vector2F< Value_type, >::reference

Definition at line 54 of file vec2f.hpp.

◆ const_reference

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

typedef const value_type& jau::math::Vector2F< Value_type, >::const_reference

Definition at line 55 of file vec2f.hpp.

◆ iterator

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

typedef value_type* jau::math::Vector2F< Value_type, >::iterator

Definition at line 56 of file vec2f.hpp.

◆ const_iterator

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

typedef const value_type* jau::math::Vector2F< Value_type, >::const_iterator

Definition at line 57 of file vec2f.hpp.

Constructor & Destructor Documentation

◆ Vector2F() [1/5]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr jau::math::Vector2F< Value_type, >::Vector2F ( )

inlineconstexprnoexcept

Definition at line 75 of file vec2f.hpp.

◆ Vector2F() [2/5]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr jau::math::Vector2F< Value_type, >::Vector2F ( const value_type v )

inlineconstexprnoexcept

Definition at line 78 of file vec2f.hpp.

◆ Vector2F() [3/5]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr jau::math::Vector2F< Value_type, >::Vector2F	(	const value_type	x_,
		const value_type	y_
	)

inlineconstexprnoexcept

Definition at line 81 of file vec2f.hpp.

◆ Vector2F() [4/5]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr jau::math::Vector2F< Value_type, >::Vector2F ( const Vector2F< Value_type, > & o )

constexprdefaultnoexcept

◆ Vector2F() [5/5]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr jau::math::Vector2F< Value_type, >::Vector2F ( Vector2F< Value_type, > && o )

constexprdefaultnoexcept

Member Function Documentation

◆ from_length_angle()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

static constexpr_cxx26 Vector2F jau::math::Vector2F< Value_type, >::from_length_angle	(	const value_type	magnitude,
		const value_type	radians
	)

inlinestaticnoexcept

Definition at line 71 of file vec2f.hpp.

◆ operator=() [1/2]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::operator= ( const Vector2F< Value_type, > & )

constexprdefaultnoexcept

◆ operator=() [2/2]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::operator= ( Vector2F< Value_type, > && )

constexprdefaultnoexcept

◆ operator[]() [1/2]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr value_type jau::math::Vector2F< Value_type, >::operator[] ( size_t i ) const

inlineconstexprnoexcept

Returns read-only component.

Definition at line 90 of file vec2f.hpp.

◆ operator const_pointer()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

jau::math::Vector2F< Value_type, >::operator const_pointer ( ) const

inlineexplicitnoexcept

Definition at line 95 of file vec2f.hpp.

◆ cbegin()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr const_iterator jau::math::Vector2F< Value_type, >::cbegin ( ) const

inlineconstexprnoexcept

Definition at line 96 of file vec2f.hpp.

◆ operator[]() [2/2]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr reference jau::math::Vector2F< Value_type, >::operator[] ( size_t i )

inlineconstexprnoexcept

Returns writeable reference to component.

Definition at line 99 of file vec2f.hpp.

◆ operator pointer()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

jau::math::Vector2F< Value_type, >::operator pointer ( )

inlineexplicitnoexcept

Definition at line 104 of file vec2f.hpp.

◆ begin()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr iterator jau::math::Vector2F< Value_type, >::begin ( )

inlineconstexprnoexcept

Definition at line 105 of file vec2f.hpp.

◆ get()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr iterator jau::math::Vector2F< Value_type, >::get ( iterator xy ) const

inlineconstexprnoexcept

xy = this, returns xy.

Definition at line 108 of file vec2f.hpp.

◆ operator==()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr bool jau::math::Vector2F< Value_type, >::operator== ( const Vector2F< Value_type, > & rhs ) const

inlineconstexprnoexcept

Definition at line 114 of file vec2f.hpp.

◆ set() [1/2]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::set	(	const value_type	vx,
		const value_type	vy
	)

inlineconstexprnoexcept

TODO constexpr bool operator<=>(const vec2f_t& rhs ) const noexcept { return ... }.

Definition at line 125 of file vec2f.hpp.

◆ set() [2/2]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::set ( const_iterator xy )

inlineconstexprnoexcept

this = xy, returns this.

Definition at line 129 of file vec2f.hpp.

◆ add()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::add	(	const value_type	dx,
		const value_type	dy
	)

inlineconstexprnoexcept

this = this + {sx, sy}, returns this.

Definition at line 133 of file vec2f.hpp.

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◆ mul()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::mul	(	const value_type	sx,
		const value_type	sy
	)

inlineconstexprnoexcept

this = this * {sx, sy}, returns this.

Definition at line 137 of file vec2f.hpp.

◆ scale()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::scale ( const value_type s )

inlineconstexprnoexcept

this = this * s, returns this.

Definition at line 141 of file vec2f.hpp.

◆ operator+=()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::operator+= ( const Vector2F< Value_type, > & rhs )

inlineconstexprnoexcept

this = this + rhs, returns this.

Definition at line 145 of file vec2f.hpp.

◆ operator-=()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::operator-= ( const Vector2F< Value_type, > & rhs )

inlineconstexprnoexcept

this = this - rhs, returns this.

Definition at line 151 of file vec2f.hpp.

◆ operator*=()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::operator*= ( const value_type s )

inlineconstexprnoexcept

Scale this vector with given scale factor.

Parameters

s	scale factor

Returns: this instance

Definition at line 161 of file vec2f.hpp.

◆ operator/=()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::operator/= ( const value_type s )

inlineconstexprnoexcept

Divide this vector with given scale factor.

Parameters

s	scale factor

Returns: this instance

Definition at line 171 of file vec2f.hpp.

◆ rotate() [1/4]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr_cxx26 Vector2F & jau::math::Vector2F< Value_type, >::rotate	(	const value_type	radians,
		const Vector2F< Value_type, > &	ctr
	)

inlinenoexcept

Rotates this vector in place, returns *this.

Definition at line 177 of file vec2f.hpp.

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◆ rotate() [2/4]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::rotate	(	const value_type	sin,
		const value_type	cos,
		const Vector2F< Value_type, > &	ctr
	)

inlineconstexprnoexcept

Rotates this vector in place, returns *this.

Definition at line 182 of file vec2f.hpp.

◆ rotate() [3/4]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr_cxx26 Vector2F & jau::math::Vector2F< Value_type, >::rotate ( const value_type radians )

inlinenoexcept

Rotates this vector in place, returns *this.

Definition at line 191 of file vec2f.hpp.

◆ rotate() [4/4]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::rotate	(	const value_type	sin,
		const value_type	cos
	)

inlineconstexprnoexcept

Rotates this vector in place, returns *this.

Definition at line 196 of file vec2f.hpp.

◆ toString()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

std::string jau::math::Vector2F< Value_type, >::toString ( ) const

inlinenoexcept

Definition at line 203 of file vec2f.hpp.

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◆ is_zero()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr bool jau::math::Vector2F< Value_type, >::is_zero ( ) const

inlineconstexprnoexcept

Definition at line 205 of file vec2f.hpp.

◆ length_sq()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr value_type jau::math::Vector2F< Value_type, >::length_sq ( ) const

inlineconstexprnoexcept

Return the squared length of this vector, a.k.a the squared norm or squared magnitude

Definition at line 212 of file vec2f.hpp.

◆ length()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr value_type jau::math::Vector2F< Value_type, >::length ( ) const

inlineconstexprnoexcept

Return the length of this vector, a.k.a the norm or magnitude

Definition at line 219 of file vec2f.hpp.

◆ normalize()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F & jau::math::Vector2F< Value_type, >::normalize ( )

inlineconstexprnoexcept

Normalize this vector in place, returns *this.

Definition at line 224 of file vec2f.hpp.

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◆ angle() [1/2]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr_cxx26 value_type jau::math::Vector2F< Value_type, >::angle ( ) const

inlinenoexcept

Return the direction angle of this vector in radians.

Definition at line 240 of file vec2f.hpp.

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◆ dist_sq()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr value_type jau::math::Vector2F< Value_type, >::dist_sq ( const Vector2F< Value_type, > & o ) const

inlineconstexprnoexcept

Return the squared distance between this vector and the given one.

When comparing the relative distance between two points it is usually sufficient to compare the squared distances, thus avoiding an expensive square root operation.

Definition at line 252 of file vec2f.hpp.

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◆ dist()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr value_type jau::math::Vector2F< Value_type, >::dist ( const Vector2F< Value_type, > & o ) const

inlineconstexprnoexcept

Return the distance between this vector and the given one.

Definition at line 261 of file vec2f.hpp.

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◆ dot()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr value_type jau::math::Vector2F< Value_type, >::dot ( const Vector2F< Value_type, > & o ) const

inlineconstexprnoexcept

Return the dot product of this vector and the given one.

Returns: the dot product as value_type

Definition at line 269 of file vec2f.hpp.

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◆ cross()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr value_type jau::math::Vector2F< Value_type, >::cross ( const Vector2F< Value_type, > & o ) const

inlineconstexprnoexcept

Returns cross product of this vectors and the given one, i.e.

*this x o.

The 2D cross product is identical with the 2D perp dot product.

Returns: the resulting scalar

Definition at line 280 of file vec2f.hpp.

◆ cos_angle()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr value_type jau::math::Vector2F< Value_type, >::cos_angle ( const Vector2F< Value_type, > & o ) const

inlineconstexprnoexcept

Return the cosines of the angle between two vectors.

Definition at line 287 of file vec2f.hpp.

◆ angle() [2/2]

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr_cxx26 value_type jau::math::Vector2F< Value_type, >::angle ( const Vector2F< Value_type, > & o ) const

inlinenoexcept

Return the angle between two vectors in radians.

Definition at line 294 of file vec2f.hpp.

◆ normal_ccw()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr Vector2F jau::math::Vector2F< Value_type, >::normal_ccw ( ) const

inlineconstexprnoexcept

Return the counter-clock-wise (CCW) normal of this vector, i.e.

perp(endicular) vector

Definition at line 301 of file vec2f.hpp.

◆ intersects()

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr_cxx23 bool jau::math::Vector2F< Value_type, >::intersects ( const Vector2F< Value_type, > & o ) const

inlinenoexcept

Definition at line 305 of file vec2f.hpp.

Member Data Documentation

◆ zero

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr const value_type jau::math::Vector2F< Value_type, >::zero = value_type(0)

staticconstexpr

Definition at line 59 of file vec2f.hpp.

◆ one

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr const value_type jau::math::Vector2F< Value_type, >::one = value_type(1)

staticconstexpr

Definition at line 60 of file vec2f.hpp.

◆ components

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr const size_t jau::math::Vector2F< Value_type, >::components = 2

staticconstexpr

Number of components

Definition at line 63 of file vec2f.hpp.

◆ byte_size

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

constexpr const size_t jau::math::Vector2F< Value_type, >::byte_size = components * sizeof(value_type)

staticconstexpr

Size in bytes (aligned)

Definition at line 66 of file vec2f.hpp.

◆ x

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

value_type jau::math::Vector2F< Value_type, >::x

Definition at line 68 of file vec2f.hpp.

◆ y

template<typename Value_type , std::enable_if_t< std::is_floating_point_v< Value_type >, bool > = true>

value_type jau::math::Vector2F< Value_type, >::y

Definition at line 69 of file vec2f.hpp.

The documentation for this class was generated from the following file:

include/jau/math/vec2f.hpp

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Detailed Description

Member Typedef Documentation

◆ value_type

◆ pointer

◆ const_pointer

◆ reference

◆ const_reference

◆ iterator

◆ const_iterator

Constructor & Destructor Documentation

◆ Vector2F() [1/5]

◆ Vector2F() [2/5]

◆ Vector2F() [3/5]

◆ Vector2F() [4/5]

◆ Vector2F() [5/5]

Member Function Documentation

◆ from_length_angle()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ operator[]() [1/2]

◆ operator const_pointer()

◆ cbegin()

◆ operator[]() [2/2]

◆ operator pointer()

◆ begin()

◆ get()

◆ operator==()

◆ set() [1/2]

◆ set() [2/2]

◆ add()

◆ mul()

◆ scale()

◆ operator+=()

◆ operator-=()

◆ operator*=()

◆ operator/=()

◆ rotate() [1/4]

◆ rotate() [2/4]

◆ rotate() [3/4]

◆ rotate() [4/4]

◆ toString()

◆ is_zero()

◆ length_sq()

◆ length()

◆ normalize()

◆ angle() [1/2]

◆ dist_sq()

◆ dist()

◆ dot()

◆ cross()

◆ cos_angle()

◆ angle() [2/2]

◆ normal_ccw()

◆ intersects()

Member Data Documentation

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