Unigine::dmat4 Struct

Matrix of 3x4 double components.

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

Unigine::dmat4 Structure

Members

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UNIGINE_DECLARE_USE_MEMORY 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.

explicit dmat4 (const double * m, int transpose, int square)

Initialization by a pointer to the matrix.

Arguments

• const double * m - Pointer to the matrix.
• int transpose - If transpose is 0 (by default), the matrix is specified in the column-major style.
• int square - If square is 0 (by default), the matrix is treated as 4x3 matrix.

dmat4 & operator*= (const dmat4 & m)

Matrix multiplication.

Arguments

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

Return value

The resulting matrix.

UNIGINE_INLINE double & operator[] (int i)

Array access.

Arguments

• int i - Array item index.

Return value

Array item.

UNIGINE_INLINE double operator[] (int i) const

Constant array access.

Arguments

• int i - Array item index.

Return value

Array item.

UNIGINE_INLINE 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.

UNIGINE_INLINE 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.

UNIGINE_INLINE 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.

void set (const double * m, int transpose, int square)

Set matrix.

Arguments

• const double * m - Pointer to the matrix.
• int transpose - If transpose is 0 (by default), the matrix is specified in the column major style.
• int square - If square is 0 (by default), the matrix is treated as 4x3 matrix.

void get (double * m, int transpose, int square) const

Get matrix.

Arguments

• double * m - Pointer to the matrix.
• int transpose - If transpose is 0 (by default), the matrix is specified in the column major style.
• int square - If square is 0 (by default), the matrix is treated as 4x3 matrix.

UNIGINE_INLINE double * get ()

Get a pointer to the matrix.

Return value

Pointer to the matrix.

UNIGINE_INLINE const double * get () const

Get a constant pointer to the matrix.

Return value

Pointer to the matrix.

void setRow (int row, const dvec4 & v)

Sets the matrix row.

Arguments

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

dvec4 getRow (int row) const

Get matrix row.

Arguments

• int row - The row number.

Return value

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 setColumn (int column, const dvec4 & v)

Set matrix column.

Arguments

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

dvec4 getColumn (int column) const

Get matrix row.

Arguments

• int column - Row number.

Return value

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.

void setIdentity ()

Set identity matrix.

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.

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 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.

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Unigine::dmat4:: Union