mat3 Class Reference

3x3 double matrix More...

#include <glslmath.h>

Public Member Functions
	mat3 (double diag=1.0)
	default constructor
	mat3 (const vec3 &diag)
	custom constructor
	mat3 (const vec3 &r1, const vec3 &r2, const vec3 &r3=vec3(0, 0, 1))
	custom constructor
	mat3 (const mat2 &m)
	copy constructor
	mat3 (const mat3f &m)
	copy constructor
vec3	operator[] (const int i) const
	subscript operator (column getter)
vec3	row (const int i) const
	row getter
vec3	col (const int i) const
	column getter
	operator mat2 () const
	down cast operator
const double *	c_ptr () const
	const pointer to column-major array
	operator const double * () const
	cast operator to column-major array
void	fromOpenGL (const double m[9])
	convert from 9-element column-major OpenGL matrix
double	det () const
	calculate determinant of 3x3 matrix
mat3	transpose () const
	transpose 3x3 matrix
mat3	invert () const
	invert 3x3 matrix
mat3 &	operator+= (const mat3 &m)
	inplace addition
mat3 &	operator*= (const mat3 &m)
	inplace multiplication
mat3 &	operator<<= (const mat3 &m)
	inplace multiplication (left-hand side)
mat3 &	operator>>= (const mat3 &m)
	inplace multiplication (right-hand side)
	operator std::string ()
	string cast operator

Static Public Member Functions
static mat3	columns (const vec3 &c1, const vec3 &c2, const vec3 &c3)
	construct matrix from column vectors
static mat3	columns (double a, double b, double c, double d, double e, double f, double g, double h, double i)
	construct matrix from column vectors
static mat3	rows (const vec3 &r1, const vec3 &r2, const vec3 &r3)
	construct matrix from row vectors
static mat3	rows (double a, double b, double c, double d, double e, double f, double g, double h, double i)
	construct matrix from row vectors
static double	det (const mat3 &m)
	static version of determinant operation
static mat3	transpose (const mat3 &m)
	static version of transpose operation
static mat3	invert (const mat3 &m)
	static version of invert operation
static mat3	scale (double s, double t, double r)
	create scaling matrix
static mat3	scale (const vec3 &c)
	create scaling matrix
static mat3	rotate (double angle, double vx, double vy, double vz)
	create rotation matrix More...
static mat3	rotate (double angle, const vec3 &v)
	create rotation matrix More...
static mat3	rotate (const vec3 &from, const vec3 &to)
	create rotation matrix More...

Protected Attributes
union {
};
	matrix elements

Detailed Description

3x3 double matrix

• definition of matrix via constructor taking three row vectors
• supplies matrix operators + and *

Member Function Documentation

rotate() [1/3]

static mat3 mat3::rotate ( const vec3 &  from, const vec3 &  to  )

inlinestatic

create rotation matrix

• rotation is specified as a transformation from one direction to another one

rotate() [2/3]

static mat3 mat3::rotate ( double  angle, const vec3 &  v  )

inlinestatic

create rotation matrix

• rotation angle is specified clockwise in OpenGL coordinates

rotate() [3/3]

static mat3 mat3::rotate ( double  angle, double  vx, double  vy, double  vz  )

inlinestatic

create rotation matrix

• rotation angle is specified clockwise in OpenGL coordinates

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The documentation for this class was generated from the following file:

• glslmath.h