Quaternion Class Reference

#include <c4d_quaternion.h>

Detailed Description

Represents a quaternion.
Has methods for conversion to and from a rotation matrix: GetMatrix/ SetMatrix/SetMatrixNorm.

See also

Quaternion

Public Attributes
Float64	w
Vector64	v

Constructor/Destructor
	Quaternion ()
	Quaternion (_DONTCONSTRUCT vv)

Get/Set Matrix
Matrix64	GetMatrix () const
void	SetMatrix (const Matrix64 &_m)
void	SetMatrixNorm (const Matrix64 &m)

Set HPB/Axis
void	SetHPB (const Vector64 &hpb)
void	SetAxis (const Vector64 &ax, const Float64 ww)

Constructor & Destructor Documentation

Quaternion() [1/2]

Quaternion

(

)

Default constructor.

Quaternion() [2/2]

Quaternion ( _DONTCONSTRUCT  vv )

explicit

Default destructor.

Member Function Documentation

GetMatrix()

Matrix64 GetMatrix

(

)

const

Derives a rotation matrix from the quaternion.

Returns

The rotation matrix.

SetMatrix()

void SetMatrix

(

const Matrix64 &

_m

)

Derives quaternion values from a rotation matrix.

Parameters

[in]

_m

The rotation matrix.

SetMatrixNorm()

void SetMatrixNorm

(

const Matrix64 &

m

)

Derives quaternion values from a normalized rotation matrix.

Parameters

[in]

m

The normalized rotation matrix.

SetHPB()

void SetHPB

(

const Vector64 &

hpb

)

Derives quaternion values from a HPB rotation.

Parameters

[in]

hpb

The HPB rotation.

SetAxis()

void SetAxis	(	const Vector64 &	ax,
		const Float64	ww
	)

Sets the quaternion values directly.

Parameters

[in]	ax	The direction vector.
[in]	ww	The rotation angle.

Member Data Documentation

w

Float64 w

The rotation angle.

v

Vector64 v

The direction vector.