Unigine::dmat4 Struct
Matrix of 3x4 double components.
To use this structure, include the UnigineMathLib.h file.
Unigine::dmat4 Structure
Members
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.Unigine::dmat4:: Union
union {
struct
{
double m00;
double m10;
double m20;
double m01;
double m11;
double m21;
double m02;
double m12;
double m22;
double m03;
double m13;
double m23;
};
double mat[12];
};
Last update: 2017-07-03
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