float4x4

Floating point 4x4 matrix structure. More...

#include <float.hpp>

Public Member Functions
constexpr	float4x4 (float n=0.0f) noexcept
	Creates a new floating point 4x4 matrix structure.
constexpr	float4x4 (float4 c0, float4 c1, float4 c2, float4 c3) noexcept
	Creates a new floating point 4x4 matrix structure.
constexpr	float4x4 (float c0r0, float c1r0, float c2r0, float c3r0, float c0r1, float c1r1, float c2r1, float c3r1, float c0r2, float c1r2, float c2r2, float c3r2, float c0r3, float c1r3, float c2r3, float c3r3) noexcept
	Creates a new floating point 4x4 matrix structure.
constexpr	float4x4 (const float4x3 &m4x3, float4 r3=float4::zero) noexcept
	Creates a new floating point 4x4 matrix structure.
constexpr	float4x4 (const float3x3 &m, float4 c3=float4::zero, float4 r3=float4::zero) noexcept
	Creates a new floating point 4x4 matrix structure.
constexpr	operator float4x3 () const noexcept
	Returns matrix 4x3 part.
constexpr	operator float3x3 () const noexcept
	Returns matrix 3x3 part.
constexpr	operator float2x2 () const noexcept
	Returns matrix 2x2 part.
float4 &	operator[] (psize i) noexcept
	Returns matrix column by index.
float4	operator[] (psize i) const noexcept
	Returns matrix column by index.
constexpr float4x4	operator+ (float n) const noexcept
constexpr float4x4	operator- (float n) const noexcept
constexpr float4x4	operator* (float n) const noexcept
constexpr float4x4	operator/ (float n) const noexcept
float4x4 &	operator+= (float n) noexcept
float4x4 &	operator-= (float n) noexcept
float4x4 &	operator*= (float n) noexcept
float4x4 &	operator/= (float n) noexcept
constexpr float4x4	operator* (const float4x4 &m) const noexcept
	Calculates dot product between two matrices.
constexpr float4	operator* (float4 v) const noexcept
	Calculates dot product between matrix and vector.
float4x4 &	operator*= (const float4x4 &m) noexcept
	Calculates dot product between two matrices.
bool	operator== (const float4x4 &m) const noexcept
	Returns true if matrices have the same values.
bool	operator!= (const float4x4 &m) const noexcept
	Returns true if matrices have different values.

Public Attributes
float4	c0
float4	c1
float4	c2
float4	c3

Static Public Attributes
static const float4x4	identity
	Model matrix without any transformations.
static const float4x4	zero = float4x4(0.0f)
static const float4x4	one = float4x4(1.0f)
static const float4x4	minusOne = float4x4(-1.0f)

Detailed Description

Floating point 4x4 matrix structure.

Commonly used for basic transformations: translation, scale, rotation, etc.

Constructor & Destructor Documentation

float4x4() [1/5]

constexpr float4x4 ( float n = 0.0f )

inlineexplicitconstexprnoexcept

Creates a new floating point 4x4 matrix structure.

Parameters

n	target value for all columns and rows

float4x4() [2/5]

constexpr float4x4 ( float4 c0, float4 c1, float4 c2, float4 c3 )

inlineconstexprnoexcept

Creates a new floating point 4x4 matrix structure.

Parameters

[in]	c0	first matrix column value
[in]	c1	second matrix column value
[in]	c2	third matrix column value
[in]	c3	fourth matrix column value

float4x4() [3/5]

constexpr float4x4 ( float c0r0, float c1r0, float c2r0, float c3r0, float c0r1, float c1r1, float c2r1, float c3r1, float c0r2, float c1r2, float c2r2, float c3r2, float c0r3, float c1r3, float c2r3, float c3r3 )

inlineconstexprnoexcept

Creates a new floating point 4x4 matrix structure.

See the float4x4.

float4x4() [4/5]

constexpr float4x4 ( const float4x3 & m4x3, float4 r3 = float4::zero )

inlineconstexprnoexcept

Creates a new floating point 4x4 matrix structure.

Parameters

[in]	m4x3	target 4x3 matrix
	r3	third rows vector

float4x4() [5/5]

constexpr float4x4 ( const float3x3 & m, float4 c3 = float4::zero, float4 r3 = float4::zero )

inlineconstexprnoexcept

Creates a new floating point 4x4 matrix structure.

Parameters

[in]	m	target 3x3 matrix value
	c3	third columns SIMD vector
	r3	third rows SIMD vector

Member Function Documentation

operator[]() [1/2]

float4 & operator[] ( psize i )

inlinenoexcept

Returns matrix column by index.

Parameters

i	target column index

operator[]() [2/2]

float4 operator[] ( psize i ) const

inlinenoexcept

Returns matrix column by index.

Parameters

i	target column index

operator*() [1/2]

constexpr float4x4 operator* ( const float4x4 & m ) const

inlineconstexprnoexcept

Calculates dot product between two matrices.

Parameters

[in]

m

target matrix to dot by

operator*() [2/2]

constexpr float4 operator* ( float4 v ) const

inlineconstexprnoexcept

Calculates dot product between matrix and vector.

Parameters

v	target vector to dot by

operator*=()

float4x4 & operator*= ( const float4x4 & m )

inlinenoexcept

Calculates dot product between two matrices.

Parameters

[in]

m

target matrix to dot by

operator==()

bool operator== ( const float4x4 & m ) const

inlinenoexcept

Returns true if matrices have the same values.

Parameters

[in]

m

another matrix to compare with

operator!=()

bool operator!= ( const float4x4 & m ) const

inlinenoexcept

Returns true if matrices have different values.

Parameters

[in]

m

another matrix to compare with

Member Data Documentation

c0

float4 c0

First matrix column.

c1

float4 c1

Second matrix column.

c2

float4 c2

Third matrix column.

c3

float4 c3

Fourth matrix column.

identity

const float4x4 identity

inlinestatic

Initial value:

= float4x4(
    1.0f, 0.0f, 0.0f, 0.0f,
    0.0f, 1.0f, 0.0f, 0.0f,
    0.0f, 0.0f, 1.0f, 0.0f,
    0.0f, 0.0f, 0.0f, 1.0f)

Model matrix without any transformations.