albaQuaternion Class Reference

#include <albaQuaternion.h>

Public Member Functions
	albaQuaternion ()
	albaQuaternion (double w, double x, double y, double z)
	albaQuaternion (double angle, albaVect3d &axis)
	albaQuaternion (albaMatrix &matr)
albaMatrix	ToMatrix ()
void	AngleAxis (double &angle, albaVect3d &axis)
void	Zero ()
void	Identity ()
void	Add (albaQuaternion &q)
void	Subtract (albaQuaternion &q)
void	Multiply (double s)
void	Divide (double s)
void	Multiply (albaQuaternion &q)
void	Multiply (albaQuaternion &q, albaQuaternion &result)
albaQuaternion	Dot (albaQuaternion &q)
void	Dot (albaQuaternion &q, albaQuaternion &result)
albaQuaternion	Conjugate ()
void	Conjugate (albaQuaternion &result)
double	GetLength ()
double	GetNorm ()
void	Normalize ()
bool	Normalized ()
albaQuaternion	Inverse ()
void	Inverse (albaQuaternion &result)
bool	operator== (albaQuaternion &other)
bool	operator!= (albaQuaternion &other)
double &	operator[] (int i)
albaQuaternion	operator+ (albaQuaternion b)
albaQuaternion	operator- (albaQuaternion b)
albaQuaternion	operator* (albaQuaternion b)
albaQuaternion &	operator+= (albaQuaternion b)
albaQuaternion &	operator-= (albaQuaternion b)
albaQuaternion &	operator*= (const albaQuaternion b)
bool	operator== (double scalar)
bool	operator!= (double scalar)
albaQuaternion	operator- ()
albaQuaternion	operator* (double s)
albaQuaternion	operator/ (double s)
albaQuaternion &	operator*= (double s)
albaQuaternion &	operator/= (double s)

Static Public Member Functions
static albaQuaternion	Slerp (albaQuaternion &a, albaQuaternion &b, double t)

Protected Attributes
double	m_W
double	m_X
double	m_Y
double	m_Z

Detailed Description

A quaternion.

This quaternion class is generic and may be non-unit, however most anticipated uses of quaternions are typically unit cases representing a rotation 2*acos(w) about the axis (x,y,z).

Definition at line 35 of file albaQuaternion.h.

Constructor & Destructor Documentation

albaQuaternion() [1/4]

albaQuaternion::albaQuaternion

(

)

Default constructor.

albaQuaternion() [2/4]

albaQuaternion::albaQuaternion	(	double	w,
		double	x,
		double	y,
		double	z
	)

Constructor quaternion from real component w and imaginary x,y,z.

albaQuaternion() [3/4]

albaQuaternion::albaQuaternion	(	double	angle,
		albaVect3d &	axis
	)

Construct quaternion from angle - axis.

albaQuaternion() [4/4]

albaQuaternion::albaQuaternion

(

albaMatrix &

matr

)

Construct quaternion from rotation albaMatrix.

Member Function Documentation

ToMatrix()

albaMatrix albaQuaternion::ToMatrix

(

)

Convert quaternion to albaMatrix.

AngleAxis()

void albaQuaternion::AngleAxis	(	double &	angle,
		albaVect3d &	axis
	)

Convert quaternion to angle - axis.

Zero()

void albaQuaternion::Zero

(

)

Set quaternion to zero.

Identity()

void albaQuaternion::Identity

(

)

Set quaternion to identity.

Add()

void albaQuaternion::Add

(

albaQuaternion &

q

)

Add another quaternion to this quaternion.

Subtract()

void albaQuaternion::Subtract

(

albaQuaternion &

q

)

Subtract another quaternion from this quaternion.

Multiply() [1/3]

void albaQuaternion::Multiply

(

double

s

)

Multiply this quaternion by a scalar.

Divide()

void albaQuaternion::Divide

(

double

s

)

Divide this quaternion by a scalar.

Multiply() [2/3]

void albaQuaternion::Multiply

(

albaQuaternion &

q

)

Multiply this quaternion with another quaternion.

Multiply() [3/3]

void albaQuaternion::Multiply	(	albaQuaternion &	q,
		albaQuaternion &	result
	)

Multiply this quaternion with another quaternion and store result in parameter.

Dot() [1/2]

albaQuaternion albaQuaternion::Dot

(

albaQuaternion &

q

)

Dot product of two quaternions.

Dot() [2/2]

void albaQuaternion::Dot	(	albaQuaternion &	q,
		albaQuaternion &	result
	)

Dot product of two quaternions writing result to parameter.

Conjugate() [1/2]

albaQuaternion albaQuaternion::Conjugate

(

)

Calculate conjugate of quaternion.

Conjugate() [2/2]

void albaQuaternion::Conjugate

(

albaQuaternion &

result

)

Calculate conjugate of quaternion and store result in parameter.

GetLength()

double albaQuaternion::GetLength

(

)

Calculate and returns the length of quaternion.

GetNorm()

double albaQuaternion::GetNorm

(

)

Calculate and returns the norm of quaternion.

Normalize()

void albaQuaternion::Normalize

(

)

Normalize the quaternion.

Normalized()

bool albaQuaternion::Normalized

(

)

return true if the quaternion is normalized

Inverse() [1/2]

albaQuaternion albaQuaternion::Inverse

(

)

Calculate inverse of quaternion.

Inverse() [2/2]

void albaQuaternion::Inverse

(

albaQuaternion &

result

)

Calculate inverse of quaternion and store result in parameter.

Slerp()

static albaQuaternion albaQuaternion::Slerp ( albaQuaternion &  a, albaQuaternion &  b, double  t  )

static

Spherical linear interpolation.

operator==() [1/2]

bool albaQuaternion::operator==

(

albaQuaternion &

other

)

Equals operator.

operator!=() [1/2]

bool albaQuaternion::operator!=

(

albaQuaternion &

other

)

Not equals operator.

operator[]()

double & albaQuaternion::operator[]

(

int

i

)

operator+()

albaQuaternion albaQuaternion::operator+

(

albaQuaternion

b

)

operator-() [1/2]

albaQuaternion albaQuaternion::operator-

(

albaQuaternion

b

)

operator*() [1/2]

albaQuaternion albaQuaternion::operator*

(

albaQuaternion

b

)

operator+=()

albaQuaternion & albaQuaternion::operator+=

(

albaQuaternion

b

)

operator-=()

albaQuaternion & albaQuaternion::operator-=

(

albaQuaternion

b

)

operator*=() [1/2]

albaQuaternion & albaQuaternion::operator*=

(

const albaQuaternion

b

)

operator==() [2/2]

bool albaQuaternion::operator==

(

double

scalar

)

operator!=() [2/2]

bool albaQuaternion::operator!=

(

double

scalar

)

operator-() [2/2]

albaQuaternion albaQuaternion::operator-

(

)

operator*() [2/2]

albaQuaternion albaQuaternion::operator*

(

double

s

)

operator/()

albaQuaternion albaQuaternion::operator/

(

double

s

)

operator*=() [2/2]

albaQuaternion & albaQuaternion::operator*=

(

double

s

)

operator/=()

albaQuaternion & albaQuaternion::operator/=

(

double

s

)

Member Data Documentation

m_W

double albaQuaternion::m_W

protected

w component of quaternion

Definition at line 136 of file albaQuaternion.h.

m_X

double albaQuaternion::m_X

protected

x component of quaternion

Definition at line 137 of file albaQuaternion.h.

m_Y

double albaQuaternion::m_Y

protected

y component of quaternion

Definition at line 138 of file albaQuaternion.h.

m_Z

double albaQuaternion::m_Z

protected

z component of quaternion

Definition at line 139 of file albaQuaternion.h.

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

• albaQuaternion.h