quat Class Reference

quaternion More...

#include <glslmath.h>

Public Member Functions
	quat (const vec4 &v=vec4(0, 0, 0, 1))
	default constructor
	quat (double x, double y, double z, double w)
	custom constructor
	quat (const vec3 &v, double w)
	custom constructor
double	dot (const quat &r) const
	inner product
double	length () const
	get quaternion length
double	norm () const
	get quaternion norm
quat	normalize () const
	normalization
quat	conjugate () const
	conjugation
quat	invert () const
	invert normalized quaternion
	operator vec4 () const
	cast operator
	operator mat3 () const
	cast operator
quat &	operator*= (const quat &q)
	inplace multiplication
	operator std::string ()
	string cast operator
std::string	to_string (std::string delimiter=", ", int space=0)
	conversion to string

Static Public Member Functions
static quat	rotate (double angle, const vec3 &v)
	create rotating quaternion More...
static quat	rotate (const vec3 &from, const vec3 &to)
	create rotating quaternion from two vectors

Friends
quat	operator+ (const quat &a, const quat &b)
	addition of two quaternions
quat	operator- (const quat &a, const quat &b)
	subtraction of two quaternions
quat	operator* (const quat &a, const quat &b)
	multiplication of two quaternions
quat	operator* (double a, const quat &b)
	left-hand side scalar multiplication
quat	operator* (const quat &a, double b)
	right-hand side scalar multiplication
quat	operator- (const quat &r)
	conjugation of a quaternion
vec3	operator* (const quat &r, const vec3 &v)
	right-hand side vector multiplication with normalized quaternion

Detailed Description

quaternion

Member Function Documentation

rotate()

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

inlinestatic

create rotating quaternion

• 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