float3x3

Floating point 3x3 matrix structure. More...

#include <float.hpp>

Public Member Functions
constexpr	float3x3 (float n=0.0f) noexcept
	Creates a new floating point 3x3 matrix structure.
constexpr	float3x3 (float c0r0, float c1r0, float c2r0, float c0r1, float c1r1, float c2r1, float c0r2, float c1r2, float c2r2) noexcept
	Creates a new floating point 3x3 matrix structure.
constexpr	float3x3 (float3 c0, float3 c1, float3 c2) noexcept
	Creates a new floating point 3x3 matrix structure.
constexpr	operator float2x2 () const noexcept
	Returns matrix 2x2 part.
float3 &	operator[] (psize i) noexcept
	Returns matrix column by index.
float3	operator[] (psize i) const noexcept
	Returns matrix column by index.
constexpr float3x3	operator+ (float n) const noexcept
constexpr float3x3	operator- (float n) const noexcept
constexpr float3x3	operator* (float n) const noexcept
constexpr float3x3	operator/ (float n) const noexcept
float3x3 &	operator+= (float n) noexcept
float3x3 &	operator-= (float n) noexcept
float3x3 &	operator*= (float n) noexcept
float3x3 &	operator/= (float n) noexcept
constexpr float3x3	operator* (const float3x3 &m) const noexcept
	Calculates dot product between two matrices.
constexpr float3	operator* (float3 v) const noexcept
	Calculates dot product between matrix and vector.
float3x3 &	operator*= (const float3x3 &m) noexcept
	Calculates dot product between two matrices.
bool	operator== (const float3x3 &m) const noexcept
	Returns true if matrices have the same values.
bool	operator!= (const float3x3 &m) const noexcept
	Returns true if matrices have different values.

Public Attributes
float3	c0
float3	c1
float3	c2

Static Public Attributes
static const float3x3	zero = float3x3(0.0f)
static const float3x3	one = float3x3(1.0f)
static const float3x3	minusOne = float3x3(-1.0f)
static const float3x3	identity

Detailed Description

Floating point 3x3 matrix structure.

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

Constructor & Destructor Documentation

float3x3() [1/3]

constexpr float3x3 ( float n = 0.0f )

inlineexplicitconstexprnoexcept

Creates a new floating point 3x3 matrix structure.

Parameters

n	target value for all columns and rows

float3x3() [2/3]

constexpr float3x3 ( float c0r0, float c1r0, float c2r0, float c0r1, float c1r1, float c2r1, float c0r2, float c1r2, float c2r2 )

inlineconstexprnoexcept

Creates a new floating point 3x3 matrix structure.

See the float3x3.

float3x3() [3/3]

constexpr float3x3 ( float3 c0, float3 c1, float3 c2 )

inlineconstexprnoexcept

Creates a new floating point 3x3 matrix structure.

Parameters

c0	first matrix column value
c1	second matrix column value
c2	third matrix column value

Member Function Documentation

operator[]() [1/2]

float3 & operator[] ( psize i )

inlinenoexcept

Returns matrix column by index.

Parameters

i	target column index

operator[]() [2/2]

float3 operator[] ( psize i ) const

inlinenoexcept

Returns matrix column by index.

Parameters

i	target column index

operator*() [1/2]

constexpr float3x3 operator* ( const float3x3 & m ) const

inlineconstexprnoexcept

Calculates dot product between two matrices.

Parameters

[in]

m

target matrix to dot by

operator*() [2/2]

constexpr float3 operator* ( float3 v ) const

inlineconstexprnoexcept

Calculates dot product between matrix and vector.

Parameters

v	target vector to dot by

operator*=()

float3x3 & operator*= ( const float3x3 & m )

inlinenoexcept

Calculates dot product between two matrices.

Parameters

[in]

m

target matrix to dot by

operator==()

bool operator== ( const float3x3 & m ) const

inlinenoexcept

Returns true if matrices have the same values.

Parameters

[in]

m

another matrix to compare with

operator!=()

bool operator!= ( const float3x3 & m ) const

inlinenoexcept

Returns true if matrices have different values.

Parameters

[in]

m

another matrix to compare with

Member Data Documentation

c0

float3 c0

First matrix column.

c1

float3 c1

Second matrix column.

c2

float3 c2

Third matrix column.

identity

const float3x3 identity

inlinestatic

Initial value:

= float3x3(
    1.0f, 0.0f, 0.0f,
    0.0f, 1.0f, 0.0f,
    0.0f, 0.0f, 1.0f)