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osg::Vec4 Class Reference

General purpose float quad, uses include representation of colour coordinates. More...

List of all members.

Public Methods
	Vec4 ()
	Vec4 (float x, float y, float z, float w)
	Vec4 (const Vec3 &v3, float w)
const bool	operator== (const Vec4 &v) const
const bool	operator!= (const Vec4 &v) const
const bool	operator< (const Vec4 &v) const
float *	ptr ()
const float *	ptr () const
void	set (float x, float y, float z, float w)
float &	operator[] (const int i)
float	operator[] (const int i) const
float &	x ()
float &	y ()
float &	z ()
float &	w ()
float	x () const
float	y () const
float	z () const
float	w () const
unsigned long	asABGR () const
const unsigned long	asRGBA () const
const bool	valid () const
const bool	isNaN () const
float	operator * (const Vec4 &rhs) const
	dot product
Vec4	operator * (const float rhs) const
	multiply by scalar
Vec4 &	operator *= (const float rhs)
	unary multiply by scalar
Vec4	operator/ (const float rhs) const
	divide by scalar
Vec4 &	operator/= (const float rhs)
	unary divide by scalar
Vec4	operator+ (const Vec4 &rhs) const
	binary vector add
Vec4 &	operator+= (const Vec4 &rhs)
	unary vector add.
Vec4	operator- (const Vec4 &rhs) const
	binary vector subtract
Vec4 &	operator-= (const Vec4 &rhs)
	unary vector subtract
const Vec4	operator- () const
	negation operator. Returns the negative of the Vec4
const float	length () const
	Length of the vector = sqrt( vec . vec ).
const float	length2 () const
	Length squared of the vector = vec . vec.
const float	normalize ()
	normalize the vector so that it has length unity returns the previous length of the vector
Public Attributes
float	_v [4]
Friends
std::ostream &	operator<< (std::ostream &output, const Vec4 &vec)

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Detailed Description

General purpose float quad, uses include representation of colour coordinates.

No support yet added for float * Vec4 - is it necessary? Need to define a non-member non-friend operator * etc. Vec4 * float is okay

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Constructor & Destructor Documentation

osg::Vec4::Vec4 (    )  [inline]

osg::Vec4::Vec4 (  float    x, float    y, float    z, float    w )  [inline]

osg::Vec4::Vec4 (  const Vec3 &    v3, float    w )  [inline]

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Member Function Documentation

unsigned long osg::Vec4::asABGR (    )  const [inline]

const unsigned long osg::Vec4::asRGBA (    )  const [inline]

const bool osg::Vec4::isNaN (    )  const [inline]

const float osg::Vec4::length (    )  const [inline]

Length of the vector = sqrt( vec . vec ).

const float osg::Vec4::length2 (    )  const [inline]

Length squared of the vector = vec . vec.

const float osg::Vec4::normalize (    )  [inline]

normalize the vector so that it has length unity returns the previous length of the vector

Vec4 osg::Vec4::operator * (  const float    rhs )  const [inline]

multiply by scalar

float osg::Vec4::operator * (  const Vec4 &    rhs )  const [inline]

dot product

Vec4& osg::Vec4::operator *= (  const float    rhs )  [inline]

unary multiply by scalar

const bool osg::Vec4::operator!= (  const Vec4 &    v )  const [inline]

Vec4 osg::Vec4::operator+ (  const Vec4 &    rhs )  const [inline]

binary vector add

Vec4& osg::Vec4::operator+= (  const Vec4 &    rhs )  [inline]

unary vector add. Slightly more efficient because no temporary intermediate object

const Vec4 osg::Vec4::operator- (    )  const [inline]

negation operator. Returns the negative of the Vec4

Vec4 osg::Vec4::operator- (  const Vec4 &    rhs )  const [inline]

binary vector subtract

Vec4& osg::Vec4::operator-= (  const Vec4 &    rhs )  [inline]

unary vector subtract

Vec4 osg::Vec4::operator/ (  const float    rhs )  const [inline]

divide by scalar

Vec4& osg::Vec4::operator/= (  const float    rhs )  [inline]

unary divide by scalar

const bool osg::Vec4::operator< (  const Vec4 &    v )  const [inline]

const bool osg::Vec4::operator== (  const Vec4 &    v )  const [inline]

float osg::Vec4::operator[] (  const int    i )  const [inline]

float& osg::Vec4::operator[] (  const int    i )  [inline]

const float* osg::Vec4::ptr (    )  const [inline]

float* osg::Vec4::ptr (    )  [inline]

void osg::Vec4::set (  float    x, float    y, float    z, float    w )  [inline]

const bool osg::Vec4::valid (    )  const [inline]

float osg::Vec4::w (    )  const [inline]

float& osg::Vec4::w (    )  [inline]

float osg::Vec4::x (    )  const [inline]

float& osg::Vec4::x (    )  [inline]

float osg::Vec4::y (    )  const [inline]

float& osg::Vec4::y (    )  [inline]

float osg::Vec4::z (    )  const [inline]

float& osg::Vec4::z (    )  [inline]

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Friends And Related Function Documentation

std::ostream& operator<< (  std::ostream &    output, const Vec4 &    vec )  [friend]

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Member Data Documentation

float osg::Vec4::_v[4]

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

• Vec4

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