Unigine::dmat4 Struct

Matrix of 3x4 double components.

To use this structure, include the UnigineMathLib.h file.

dmat4 Class

Members

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dmat4(const dvec3 & col0, const dvec3 & col1, const dvec3 & col2, const dvec3 & col3)

Arguments

• const dvec3 & col0
• const dvec3 & col1
• const dvec3 & col2
• const dvec3 & col3

dmat4(const quat & q, const dvec3 & v)

Arguments

• const quat & q
• const dvec3 & v

dmat4(const mat3 & m, const dvec3 & v)

Arguments

• const mat3 & m
• const dvec3 & v

dmat4(const float * m, int transpose)

Arguments

• const float * m
• int transpose

dmat4(const double * m, int transpose)

Arguments

• const double * m
• int transpose

dmat4(const mat3 & m)

Arguments

• const mat3 & m

dmat4(const mat2 & m)

Arguments

• const mat2 & m

dmat4(double v)

Arguments

• double v

dmat4(const dmat4 & m)

Arguments

• const dmat4 & m

dmat4()

Default constructor that produces an identity matrix.

explicit dmat4(const mat4 & m)

Initialization by a matrix.

Arguments

• const mat4 & m - The value of the matrix.

explicit dmat4(const quat & q)

Initialization by a quaternion.

Arguments

• const quat & q - The value of the quaternion.

void set(int row, int column, double v)

Set matrix item.

Arguments

• int row - The row number.
• int column - The column number.
• double v - The matrix item.

void set(const float * v, int transpose)

Arguments

• const float * v
• int transpose

void set(const mat2 & m)

Arguments

• const mat2 & m

void set(const mat3 & m)

Arguments

• const mat3 & m

void set(const quat & q, const dvec3 & v)

Arguments

• const quat & q
• const dvec3 & v

void set(const quat & q)

Arguments

• const quat & q

void set(const mat4 & m)

Arguments

• const mat4 & m

void set(const double * v, int transpose)

Arguments

• const double * v
• int transpose

void set(const dmat4 & m)

Arguments

• const dmat4 & m

void set(const mat3 & m, const dvec3 & v)

Arguments

• const mat3 & m
• const dvec3 & v

double & get(int row, int column)

Get matrix item.

Arguments

• int row - The row number.
• int column - The column number.

Return value

The matrix item.

double get(int row, int column) const

Get constant matrix item.

Arguments

• int row - The row number.
• int column - The column number.

Return value

The matrix item.

double * get()

Get a pointer to the matrix.

Return value

Pointer to the matrix.

const double * get() const

Get a constant pointer to the matrix.

Return value

Pointer to the matrix.

void get(double * m, int transpose)

Arguments

• double * m
• int transpose

dvec3 getBack()

void setColumn(int column, const dvec4 & v)

Set matrix column.

Arguments

• int column - The column number.
• const dvec4 & v - Column value.

dvec4 getColumn(int column) const

Get matrix row.

Arguments

• int column - Row number.

Return value

Row value.

void setColumn3(int column, const dvec3 & v)

Sets the new value for the given matrix column.

Arguments

• int column - Column number.
• const dvec3 & v - Row value.

dvec3 getColumn3(int column) const

Returns the current value of the given matrix column. If such a column does not exist, the matrix identity is returned.

Arguments

• int column - Column number.

Return value

Row value.

dvec3 getDown()

dvec3 getForward()

void setIdentity()

Set identity matrix.

dvec3 getLeft()

dvec3 getRight()

void setRotate(const dvec3 & axis, double angle)

Set rotation matrix.

Arguments

• const dvec3 & axis - Rotation axis.
• double angle - Rotation angle (in degrees).

quat getRotate() const

Get rotation part of the matrix.

Return value

Matrix rotation part.

void setRotateX(double angle)

Set X rotation matrix.

Arguments

• double angle - Rotation angle (in degrees).

void setRotateY(double angle)

Set Y rotation matrix.

Arguments

• double angle - Rotation angle (in degrees).

void setRotateZ(double angle)

Set Z rotation matrix.

Arguments

• double angle - Rotation angle (in degrees).

void setRow(int row, const dvec4 & v)

Sets the matrix row.

Arguments

• int row - The row number.
• const dvec4 & v - Row value.

dvec4 getRow(int row) const

Get matrix row.

Arguments

• int row - The row number.

Return value

Row value.

void setRow3(int row, const dvec3 & v)

Sets the new value for the given matrix row.

Arguments

• int row - The row number.
• const dvec3 & v - Row value.

dvec3 getRow3(int row) const

Returns the current value of the given matrix row. If such a row does not exist, the matrix identity is returned.

Arguments

• int row - The row number.

Return value

Row value.

void setScale(const dvec3 & v)

Set scale matrix.

Arguments

• const dvec3 & v - The value of the scaling vector.

vec3 getScale() const

Get scaling part of the matrix.

Return value

Matrix scaling part.

void setTranslate(const dvec3 & v)

Set translation matrix.

Arguments

• const dvec3 & v - The value of the translation vector.

dvec3 getTranslate() const

Get translation part of the matrix.

Return value

Matrix translation part.

dvec3 getUp()

void setZero()

const double * operator const double *()

const void * operator const void *()

double * operator double *()

void * operator void *()

dmat4 & operator*=(const dmat4 & m)

Matrix multiplication.

Arguments

• const dmat4 & m - The value of the matrix.

Return value

The resulting matrix.

dmat4 & operator*=(double v)

Arguments

• double v

dmat4 & operator+=(const dmat4 & m)

Arguments

• const dmat4 & m

dmat4 operator-()

dmat4 & operator-=(const dmat4 & m)

Arguments

• const dmat4 & m

dmat4 & operator=(const dmat4 & m)

Arguments

• const dmat4 & m

double & operator[](int i)

Array access.

Arguments

• int i - Array item index.

Return value

Array item.

double operator[](int i) const

Constant array access.

Arguments

• int i - Array item index.

Return value

Array item.

__m128d sse0()

void sse0(const __m128d & v)

Arguments

• const __m128d & v

void sse1(const __m128d & v)

Arguments

• const __m128d & v

__m128d sse1()

void sse2(const __m128d & v)

Arguments

• const __m128d & v

__m128d sse2()

void sse3(const __m128d & v)

Arguments

• const __m128d & v

__m128d sse3()

void sse4(const __m128d & v)

Arguments

• const __m128d & v

__m128d sse4()

__m128d sse5()

void sse5(const __m128d & v)

Arguments

• const __m128d & v

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int IDENTITY

int ONE

int ZERO