bt::vector4f Class Reference

vector4f - four-dimensional single precision vector More...

Public Member Functions
_FORCEINLINE	vector4f ()
	The constructor does not set the initial values to the fields.
_FORCEINLINE	vector4f (float _a)
	Конструктор, задает все параметры равными одному значению.
_FORCEINLINE	vector4f (float _x, float _y, float _z, float _w)
_FORCEINLINE void	combine (vector4f &a, vector4f &b, float c, float d)
	Scaling and addition of vectors by the formula a * c + b * d.
_FORCEINLINE float	dot (vector4f &a)
	Dot product.
_FORCEINLINE void	lerp (vector4f &a, vector4f &b, float c)
	The vector interpolation between a and b, с[0.0 .. 1.0].
_FORCEINLINE void	neg ()
	The appeal of the sign of the vector.
_FORCEINLINE const vector4f	norm ()
	Scales the vector to a unit length.
_FORCEINLINE void	normalize ()
	Scales the vector to a unit length.
_FORCEINLINE const vector4f	operator* (const vector4f &a)
	Element-by-element multiplication of vectors.
_FORCEINLINE const vector4f	operator+ (const vector4f &a)
	Addition of vectors.
_FORCEINLINE const vector4f &	operator+= (const vector4f &a)
	Addition of vectors.
_FORCEINLINE const vector4f	operator- (const vector4f &a)
	Subtraction of vectors.
_FORCEINLINE const vector4f &	operator-= (const vector4f &a)
	Subtraction of vectors.
_FORCEINLINE float &	operator[] (unsigned int id) const
	Accessing parameters as array elements.
_FORCEINLINE const double	operator| (vector4f &a)
	Dot product of the vectors.
_FORCEINLINE void	scale (float a)
	Scales the vector.
_FORCEINLINE float	sqrLen ()
	Vector length squared.
_FORCEINLINE void	zero ()
	Sets the value of the fields to zero.

Public Attributes
BT_API	TYPEINFO_H
	Статический индентификатор типа vector4f::t()
float	w
	Параметр оси W.
float	x
	Параметр оси X.
float	y
	Параметр оси Y.
float	z
	Параметр оси Z.

Friends
_FORCEINLINE friend vector4f	operator* (vector4f &a, float &b)
	Scaling vector.
_FORCEINLINE friend vector4f	operator* (float &b, vector4f &a)
	Scaling vector.
_FORCEINLINE friend vector4f	operator* (vector4f &a, vector4f &b)
	Element-by-element multiplication of vectors.
_FORCEINLINE friend vector4f	operator+ (const vector4f &a, const vector4f &b)
	Addition of vectors.
_FORCEINLINE friend vector4f	operator+ (vector4f &a, vector4f &b)
	Addition of vectors.
_FORCEINLINE friend vector4f &	operator+= (vector4f &a, vector4f &b)
	Addition of vectors.
_FORCEINLINE friend vector4f	operator- (vector4f &a, vector4f &b)
	Subtraction of vectors.
_FORCEINLINE friend vector4f &	operator-= (vector4f &a, vector4f &b)
	Subtraction of vectors.
_FORCEINLINE friend vector4f	operator/ (vector4f &a, vector4f &b)
	Element-by-element division of vectors.
_FORCEINLINE friend double	operator| (vector4f &a, vector4f &b)
	Dot product of the vectors.

Detailed Description

vector4f - four-dimensional single precision vector

При обьявлении переменной типа vector4f, значения полей не определены: vector4f vec1;

Можно обращатся к параметрам как к полям структуры: vec1.x=300.0f; vec1.y=123.0f; vec1.z=0.01f; vec1.w=1.0f;

Можно обращатся к параметрам как к массиву: vec1[0]=300.0f; vec1[1]=123.0f; vec1[2]=0.01f; vec1[3]=1.0f;

See Also

vector4d, vector2f, vector2d, vector3f, vector3d, bt: math

Constructor & Destructor Documentation

_FORCEINLINE bt::vector4f::vector4f ( float  _x, float  _y, float  _z, float  _w  )

inline

Конструктор.

Parameters

_x	- vector x
_y	- vector y
_z	- vector z
_w	- vector w