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

#include <vec2i.hpp>

Inheritance diagram for jau::math::Vector2I< Value_type, >:

Collaboration diagram for jau::math::Vector2I< Value_type, >:

Public Types
typedef const value_type *	const_iterator

typedef const value_type *	const_pointer

typedef const value_type &	const_reference

typedef jau::float_bytes< sizeof(value_type)>::type	float_type

typedef value_type *	iterator

typedef value_type *	pointer

typedef value_type &	reference

typedef Value_type	value_type

Public Member Functions
constexpr	Vector2I () noexcept

constexpr	Vector2I (const value_type v) noexcept

constexpr	Vector2I (const value_type x_, const value_type y_) noexcept

constexpr	Vector2I (const Vector2I &o) noexcept=default

constexpr	Vector2I (Vector2I &&o) noexcept=default

constexpr Vector2I &	add (const value_type dx, const value_type dy) noexcept
	this = this + {sx, sy}, component wise.

constexpr Vector2I &	add (const Vector2I &d) noexcept
	this = this + {d.x, d.y}, component wise.

constexpr iterator	begin () noexcept

constexpr const_iterator	cbegin () const noexcept

constexpr Vector2I	copy () noexcept

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

bool	intersects (const Vector2I &o)

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

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

constexpr Vector2I &	mul (const value_type sx, const value_type sy) noexcept
	this = this * {sx, sy}, component wise.

constexpr Vector2I &	mul (const Vector2I &s) noexcept
	this = this * {s.x, s.y}, component wise.

constexpr Vector2I &	normalize () noexcept
	Normalize this vector in place, returns *this.

	operator const_pointer () const noexcept

	operator pointer () noexcept

constexpr Vector2I &	operator*= (const value_type s) noexcept
	this = this * s, component wise.

constexpr Vector2I &	operator*= (const Vector2I &s) noexcept
	this = this * {s.x, s.y}, component wise.

constexpr Vector2I &	operator+= (const Vector2I &rhs) noexcept
	this = this + rhs, component wise.

constexpr Vector2I &	operator-= (const Vector2I &rhs) noexcept
	this = this - rhs, component wise.

constexpr Vector2I &	operator/= (const value_type s) noexcept
	this = this * s, component wise.

constexpr Vector2I &	operator/= (const Vector2I &s) noexcept
	this = this / {s.x, s.y}, component wise.

constexpr Vector2I &	operator= (const Vector2I &) noexcept=default

constexpr Vector2I &	operator= (Vector2I &&) noexcept=default

constexpr bool	operator== (const Vector2I &rhs) const noexcept

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

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

constexpr_cxx26 void	rotate (const float_type radians, const Vector2I &ctr)

void	rotate (const float_type sin, const float_type cos, const Vector2I &ctr)

constexpr Vector2I &	scale (const value_type s) noexcept
	this = this * s, component wise.

constexpr Vector2I &	set (const value_type vx, const value_type vy) noexcept
	TODO constexpr bool operator<=>(const vec2i_t& rhs ) const noexcept { return ... }.

constexpr Vector2I &	set (const_iterator xy) noexcept
	this = xy, returns this.

std::string	toString () const 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 with value_alignment.

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

static constexpr const value_type	one = value_type(1)

static constexpr int	value_alignment = sizeof(value_type)
	value alignment is sizeof(value_type)

static constexpr const value_type	zero = value_type(0)

Detailed Description

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>
class jau::math::Vector2I< Value_type, >

2D vector using two value_type components.

Component and overall alignment is natural as sizeof(value_type), i.e. sizeof(value_type) == alignof(value_type)

Definition at line 41 of file vec2i.hpp.

Member Typedef Documentation

◆ value_type

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

typedef Value_type jau::math::Vector2I< Value_type, >::value_type

Definition at line 43 of file vec2i.hpp.

◆ pointer

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

typedef value_type* jau::math::Vector2I< Value_type, >::pointer

Definition at line 44 of file vec2i.hpp.

◆ const_pointer

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

typedef const value_type* jau::math::Vector2I< Value_type, >::const_pointer

Definition at line 45 of file vec2i.hpp.

◆ reference

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

typedef value_type& jau::math::Vector2I< Value_type, >::reference

Definition at line 46 of file vec2i.hpp.

◆ const_reference

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

typedef const value_type& jau::math::Vector2I< Value_type, >::const_reference

Definition at line 47 of file vec2i.hpp.

◆ iterator

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

typedef value_type* jau::math::Vector2I< Value_type, >::iterator

Definition at line 48 of file vec2i.hpp.

◆ const_iterator

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

typedef const value_type* jau::math::Vector2I< Value_type, >::const_iterator

Definition at line 49 of file vec2i.hpp.

◆ float_type

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

typedef jau::float_bytes<sizeof(value_type)>::type jau::math::Vector2I< Value_type, >::float_type

Definition at line 60 of file vec2i.hpp.

Constructor & Destructor Documentation

◆ Vector2I() [1/5]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

jau::math::Vector2I< Value_type, >::Vector2I ( )

inlineconstexprnoexcept

Definition at line 68 of file vec2i.hpp.

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◆ Vector2I() [2/5]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

jau::math::Vector2I< Value_type, >::Vector2I ( const value_type v )

inlineconstexprnoexcept

Definition at line 71 of file vec2i.hpp.

◆ Vector2I() [3/5]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

jau::math::Vector2I< Value_type, >::Vector2I	(	const value_type	x_,
		const value_type	y_ )

inlineconstexprnoexcept

Definition at line 74 of file vec2i.hpp.

◆ Vector2I() [4/5]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

jau::math::Vector2I< Value_type, >::Vector2I ( const Vector2I< Value_type, > & o )

constexprdefaultnoexcept

◆ Vector2I() [5/5]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

jau::math::Vector2I< Value_type, >::Vector2I ( Vector2I< Value_type, > && o )

constexprdefaultnoexcept

Member Function Documentation

◆ operator=() [1/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::operator= ( const Vector2I< Value_type, > & )

constexprdefaultnoexcept

◆ operator=() [2/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::operator= ( Vector2I< Value_type, > && )

constexprdefaultnoexcept

◆ copy()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I jau::math::Vector2I< Value_type, >::copy ( )

inlineconstexprnoexcept

Definition at line 82 of file vec2i.hpp.

◆ operator[]() [1/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

value_type jau::math::Vector2I< Value_type, >::operator[] ( size_t i ) const

inlineconstexprnoexcept

Returns read-only component.

Definition at line 85 of file vec2i.hpp.

◆ operator const_pointer()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

jau::math::Vector2I< Value_type, >::operator const_pointer ( ) const

inlineexplicitnoexcept

Definition at line 90 of file vec2i.hpp.

◆ cbegin()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

const_iterator jau::math::Vector2I< Value_type, >::cbegin ( ) const

inlineconstexprnoexcept

Definition at line 91 of file vec2i.hpp.

◆ operator[]() [2/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

reference jau::math::Vector2I< Value_type, >::operator[] ( size_t i )

inlineconstexprnoexcept

Returns writeable reference to component.

Definition at line 94 of file vec2i.hpp.

◆ operator pointer()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

jau::math::Vector2I< Value_type, >::operator pointer ( )

inlineexplicitnoexcept

Definition at line 99 of file vec2i.hpp.

◆ begin()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

iterator jau::math::Vector2I< Value_type, >::begin ( )

inlineconstexprnoexcept

Definition at line 100 of file vec2i.hpp.

◆ get()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

iterator jau::math::Vector2I< Value_type, >::get ( iterator xy ) const

inlineconstexprnoexcept

xy = this, returns xy.

Definition at line 103 of file vec2i.hpp.

◆ operator==()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

bool jau::math::Vector2I< Value_type, >::operator== ( const Vector2I< Value_type, > & rhs ) const

inlineconstexprnoexcept

Definition at line 109 of file vec2i.hpp.

◆ set() [1/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::set	(	const value_type	vx,
		const value_type	vy )

inlineconstexprnoexcept

TODO constexpr bool operator<=>(const vec2i_t& rhs ) const noexcept { return ... }.

Definition at line 120 of file vec2i.hpp.

◆ set() [2/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::set ( const_iterator xy )

inlineconstexprnoexcept

this = xy, returns this.

Definition at line 124 of file vec2i.hpp.

◆ add() [1/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::add ( const Vector2I< Value_type, > & d )

inlineconstexprnoexcept

this = this + {d.x, d.y}, component wise.

Returns this.

Definition at line 128 of file vec2i.hpp.

◆ add() [2/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::add	(	const value_type	dx,
		const value_type	dy )

inlineconstexprnoexcept

this = this + {sx, sy}, component wise.

Returns this.

Definition at line 132 of file vec2i.hpp.

◆ mul() [1/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::mul ( const Vector2I< Value_type, > & s )

inlineconstexprnoexcept

this = this * {s.x, s.y}, component wise.

Returns this.

Definition at line 136 of file vec2i.hpp.

◆ mul() [2/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::mul	(	const value_type	sx,
		const value_type	sy )

inlineconstexprnoexcept

this = this * {sx, sy}, component wise.

Returns this.

Definition at line 140 of file vec2i.hpp.

◆ scale()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::scale ( const value_type s )

inlineconstexprnoexcept

this = this * s, component wise.

Returns this.

Definition at line 144 of file vec2i.hpp.

◆ operator+=()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::operator+= ( const Vector2I< Value_type, > & rhs )

inlineconstexprnoexcept

this = this + rhs, component wise.

Returns this.

Definition at line 148 of file vec2i.hpp.

◆ operator-=()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::operator-= ( const Vector2I< Value_type, > & rhs )

inlineconstexprnoexcept

this = this - rhs, component wise.

Returns this.

Definition at line 154 of file vec2i.hpp.

◆ operator*=() [1/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::operator*= ( const Vector2I< Value_type, > & s )

inlineconstexprnoexcept

this = this * {s.x, s.y}, component wise.

Parameters

s	scale factor

Returns: this instance

Definition at line 164 of file vec2i.hpp.

◆ operator/=() [1/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::operator/= ( const Vector2I< Value_type, > & s )

inlineconstexprnoexcept

this = this / {s.x, s.y}, component wise.

Parameters

s	scale factor

Returns: this instance

Definition at line 173 of file vec2i.hpp.

◆ operator*=() [2/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::operator*= ( const value_type s )

inlineconstexprnoexcept

this = this * s, component wise.

Parameters

s	scale factor

Returns: this instance

Definition at line 183 of file vec2i.hpp.

◆ operator/=() [2/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::operator/= ( const value_type s )

inlineconstexprnoexcept

this = this * s, component wise.

Parameters

s	scale factor

Returns: this instance

Definition at line 193 of file vec2i.hpp.

◆ rotate() [1/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

constexpr_cxx26 void jau::math::Vector2I< Value_type, >::rotate	(	const float_type	radians,
		const Vector2I< Value_type, > &	ctr )

inline

Definition at line 198 of file vec2i.hpp.

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◆ rotate() [2/2]

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

void jau::math::Vector2I< Value_type, >::rotate	(	const float_type	sin,
		const float_type	cos,
		const Vector2I< Value_type, > &	ctr )

inline

Definition at line 203 of file vec2i.hpp.

◆ toString()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

std::string jau::math::Vector2I< Value_type, >::toString ( ) const

inlinenoexcept

Definition at line 211 of file vec2i.hpp.

◆ is_zero()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

bool jau::math::Vector2I< Value_type, >::is_zero ( ) const

inlineconstexprnoexcept

Definition at line 213 of file vec2i.hpp.

◆ length_sq()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

value_type jau::math::Vector2I< 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 220 of file vec2i.hpp.

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◆ length()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

value_type jau::math::Vector2I< Value_type, >::length ( ) const

inlineconstexprnoexcept

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

Definition at line 227 of file vec2i.hpp.

◆ normalize()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

Vector2I & jau::math::Vector2I< Value_type, >::normalize ( )

inlineconstexprnoexcept

Normalize this vector in place, returns *this.

Definition at line 233 of file vec2i.hpp.

◆ intersects()

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

bool jau::math::Vector2I< Value_type, >::intersects ( const Vector2I< Value_type, > & o )

inline

Definition at line 247 of file vec2i.hpp.

Member Data Documentation

◆ value_alignment

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

int jau::math::Vector2I< Value_type, >::value_alignment = sizeof(value_type)

staticconstexpr

value alignment is sizeof(value_type)

Definition at line 52 of file vec2i.hpp.

◆ components

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

const size_t jau::math::Vector2I< Value_type, >::components = 2

staticconstexpr

Number of value_type components.

Definition at line 55 of file vec2i.hpp.

◆ byte_size

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

const size_t jau::math::Vector2I< Value_type, >::byte_size = components * sizeof(value_type)

staticconstexpr

Size in bytes with value_alignment.

Definition at line 58 of file vec2i.hpp.

◆ zero

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

const value_type jau::math::Vector2I< Value_type, >::zero = value_type(0)

staticconstexpr

Definition at line 62 of file vec2i.hpp.

◆ one

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

const value_type jau::math::Vector2I< Value_type, >::one = value_type(1)

staticconstexpr

Definition at line 63 of file vec2i.hpp.

◆ x

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

value_type jau::math::Vector2I< Value_type, >::x

Definition at line 65 of file vec2i.hpp.

◆ y

template<typename Value_type, std::enable_if_t< std::is_integral_v< Value_type > &&sizeof(Value_type)==alignof(Value_type), bool > = true>

value_type jau::math::Vector2I< Value_type, >::y

Definition at line 66 of file vec2i.hpp.

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

include/jau/math/vec2i.hpp

Public Types

Public Member Functions

Public Attributes

Static Public Attributes

Detailed Description

Member Typedef Documentation

◆ value_type

◆ pointer

◆ const_pointer

◆ reference

◆ const_reference

◆ iterator

◆ const_iterator

◆ float_type

Constructor & Destructor Documentation

◆ Vector2I() [1/5]

◆ Vector2I() [2/5]

◆ Vector2I() [3/5]

◆ Vector2I() [4/5]

◆ Vector2I() [5/5]

Member Function Documentation

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ copy()

◆ operator[]() [1/2]

◆ operator const_pointer()

◆ cbegin()

◆ operator[]() [2/2]

◆ operator pointer()

◆ begin()

◆ get()

◆ operator==()

◆ set() [1/2]

◆ set() [2/2]

◆ add() [1/2]

◆ add() [2/2]

◆ mul() [1/2]

◆ mul() [2/2]

◆ scale()

◆ operator+=()

◆ operator-=()

◆ operator*=() [1/2]

◆ operator/=() [1/2]

◆ operator*=() [2/2]

◆ operator/=() [2/2]

◆ rotate() [1/2]

◆ rotate() [2/2]

◆ toString()

◆ is_zero()

◆ length_sq()

◆ length()

◆ normalize()

◆ intersects()

Member Data Documentation

◆ value_alignment

◆ components

◆ byte_size

◆ zero

◆ one

◆ x

◆ y