bt::quaternionf Class Reference

quaternionf - the rotation around the vector More...

Public Member Functions
_FORCEINLINE	quaternionf ()
	not initialised quaternion
_FORCEINLINE	quaternionf (float _x, float _y, float _z, float _rad)
_FORCEINLINE	quaternionf (vector3f vec, double rad)
_FORCEINLINE	quaternionf (vector4f &vec)
_FORCEINLINE void	euler (double a, double b, double c)
	Set Rotation form euler angles.
_FORCEINLINE quaternionf	invert ()
	Reverse rotation.
_FORCEINLINE const quaternionf	operator! ()
	Reverse rotation.
_FORCEINLINE float &	operator[] (unsigned int id) const
	Field reference as to the elements of the array.
_FORCEINLINE void	reset ()
	Set to identity.
_FORCEINLINE void	toMatrix (matrix4f &_c)
	Create rotation matrix.

Public Attributes
BT_API	TYPEINFO_H
	Статический индентификатор типа quaternionf::t()
float	w
	Factor.
float	x
	Factor.
float	y
	Factor.
float	z
	Factor.

Friends
_FORCEINLINE friend quaternionf	operator! (quaternionf &_a)
	Reverse rotation.

Detailed Description

quaternionf - the rotation around the vector

Quaternions are used in the system of Hypercomplex numbers, form a vector space of dimension four over the field of real numbers. Vector quaternions form a three-dimensional real vector space, which can be used to describe any rotation of this space as the object is rotated around the center of the starting position in the final, at the expense derived from the rotation of the fixed points lying on the straight line and the angle of rotation around it.

See Also

quaternionf, bt: math

Constructor & Destructor Documentation

_FORCEINLINE bt::quaternionf::quaternionf ( float  _x, float  _y, float  _z, float  _rad  )

inline

Parameters

_x	- vector x
_y	- vector y
_z	- vector z
_rad	- rotation in radian

_FORCEINLINE bt::quaternionf::quaternionf ( vector3f  vec, double  rad  )

inline

Parameters

vec	- vector
rad	- rotation in radian

_FORCEINLINE bt::quaternionf::quaternionf ( vector4f &  vec)

inline

Parameters

vec

- vector