osg::Vec4f Class Reference

#include <Vec4f.h>

Public Types
enum	{ num_components = 4 }
typedef float	value_type

Public Member Functions
	Vec4f ()
	Vec4f (value_type x, value_type y, value_type z, value_type w)
	Vec4f (const Vec3f &v3, value_type w)
bool	operator== (const Vec4f &v) const
bool	operator!= (const Vec4f &v) const
bool	operator< (const Vec4f &v) const
value_type *	ptr ()
const value_type *	ptr () const
void	set (value_type x, value_type y, value_type z, value_type w)
value_type &	operator[] (unsigned int i)
value_type	operator[] (unsigned int i) const
value_type &	x ()
value_type &	y ()
value_type &	z ()
value_type &	w ()
value_type	x () const
value_type	y () const
value_type	z () const
value_type	w () const
value_type &	r ()
value_type &	g ()
value_type &	b ()
value_type &	a ()
value_type	r () const
value_type	g () const
value_type	b () const
value_type	a () const
unsigned int	asABGR () const
unsigned int	asRGBA () const
bool	valid () const
bool	isNaN () const
value_type	operator* (const Vec4f &rhs) const
Vec4f	operator* (value_type rhs) const
Vec4f &	operator*= (value_type rhs)
Vec4f	operator/ (value_type rhs) const
Vec4f &	operator/= (value_type rhs)
Vec4f	operator+ (const Vec4f &rhs) const
Vec4f &	operator+= (const Vec4f &rhs)
Vec4f	operator- (const Vec4f &rhs) const
Vec4f &	operator-= (const Vec4f &rhs)
const Vec4f	operator- () const
value_type	length () const
value_type	length2 () const
value_type	normalize ()

Public Attributes
value_type	_v [4]

Detailed Description

General purpose float quad. Uses include representation of color coordinates. No support yet added for float * Vec4f - is it necessary? Need to define a non-member non-friend operator* etc. Vec4f * float is okay

Definition at line 27 of file Vec4f.h.

Member Typedef Documentation

typedef float osg::Vec4f::value_type

Data type of vector components.

Definition at line 32 of file Vec4f.h.

Member Enumeration Documentation

anonymous enum

Number of vector components.

Enumerator
num_components

Definition at line 35 of file Vec4f.h.

Constructor & Destructor Documentation

osg::Vec4f::Vec4f ( )

inline

Constructor that sets all components of the vector to zero

Definition at line 43 of file Vec4f.h.

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osg::Vec4f::Vec4f ( value_type  x, value_type  y, value_type  z, value_type  w  )

inline

Definition at line 45 of file Vec4f.h.

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osg::Vec4f::Vec4f ( const Vec3f &  v3, value_type  w  )

inline

Definition at line 53 of file Vec4f.h.

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Member Function Documentation

value_type& osg::Vec4f::a ( )

inline

Definition at line 100 of file Vec4f.h.

value_type osg::Vec4f::a ( ) const

inline

Definition at line 105 of file Vec4f.h.

unsigned int osg::Vec4f::asABGR ( ) const

inline

Definition at line 107 of file Vec4f.h.

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unsigned int osg::Vec4f::asRGBA ( ) const

inline

Definition at line 115 of file Vec4f.h.

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value_type& osg::Vec4f::b ( )

inline

Definition at line 99 of file Vec4f.h.

value_type osg::Vec4f::b ( ) const

inline

Definition at line 104 of file Vec4f.h.

value_type& osg::Vec4f::g ( )

inline

Definition at line 98 of file Vec4f.h.

value_type osg::Vec4f::g ( ) const

inline

Definition at line 103 of file Vec4f.h.

bool osg::Vec4f::isNaN ( ) const

inline

Returns true if at least one component has value NaN.

Definition at line 126 of file Vec4f.h.

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value_type osg::Vec4f::length ( ) const

inline

Length of the vector = sqrt( vec . vec )

Definition at line 212 of file Vec4f.h.

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value_type osg::Vec4f::length2 ( void  ) const

inline

Length squared of the vector = vec . vec

Definition at line 218 of file Vec4f.h.

value_type osg::Vec4f::normalize ( )

inline

Normalize the vector so that it has length unity. Returns the previous length of the vector.

Definition at line 226 of file Vec4f.h.

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bool osg::Vec4f::operator!= ( const Vec4f &  v ) const

inline

Definition at line 63 of file Vec4f.h.

value_type osg::Vec4f::operator* ( const Vec4f &  rhs ) const

inline

Dot product.

Definition at line 129 of file Vec4f.h.

Vec4f osg::Vec4f::operator* ( value_type  rhs ) const

inline

Multiply by scalar.

Definition at line 138 of file Vec4f.h.

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Vec4f& osg::Vec4f::operator*= ( value_type  rhs )

inline

Unary multiply by scalar.

Definition at line 144 of file Vec4f.h.

Vec4f osg::Vec4f::operator+ ( const Vec4f &  rhs ) const

inline

Binary vector add.

Definition at line 170 of file Vec4f.h.

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Vec4f& osg::Vec4f::operator+= ( const Vec4f &  rhs )

inline

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

Definition at line 179 of file Vec4f.h.

Vec4f osg::Vec4f::operator- ( const Vec4f &  rhs ) const

inline

Binary vector subtract.

Definition at line 189 of file Vec4f.h.

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const Vec4f osg::Vec4f::operator- ( ) const

inline

Negation operator. Returns the negative of the Vec4f.

Definition at line 206 of file Vec4f.h.

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Vec4f& osg::Vec4f::operator-= ( const Vec4f &  rhs )

inline

Unary vector subtract.

Definition at line 196 of file Vec4f.h.

Vec4f osg::Vec4f::operator/ ( value_type  rhs ) const

inline

Divide by scalar.

Definition at line 154 of file Vec4f.h.

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Vec4f& osg::Vec4f::operator/= ( value_type  rhs )

inline

Unary divide by scalar.

Definition at line 160 of file Vec4f.h.

bool osg::Vec4f::operator< ( const Vec4f &  v ) const

inline

Definition at line 65 of file Vec4f.h.

bool osg::Vec4f::operator== ( const Vec4f &  v ) const

inline

Definition at line 61 of file Vec4f.h.

value_type& osg::Vec4f::operator[] ( unsigned int  i )

inline

Definition at line 84 of file Vec4f.h.

value_type osg::Vec4f::operator[] ( unsigned int  i ) const

inline

Definition at line 85 of file Vec4f.h.

value_type* osg::Vec4f::ptr ( )

inline

Definition at line 76 of file Vec4f.h.

const value_type* osg::Vec4f::ptr ( ) const

inline

Definition at line 77 of file Vec4f.h.

value_type& osg::Vec4f::r ( )

inline

Definition at line 97 of file Vec4f.h.

value_type osg::Vec4f::r ( ) const

inline

Definition at line 102 of file Vec4f.h.

void osg::Vec4f::set ( value_type  x, value_type  y, value_type  z, value_type  w  )

inline

Definition at line 79 of file Vec4f.h.

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bool osg::Vec4f::valid ( ) const

inline

Returns true if all components have values that are not NaN.

Definition at line 124 of file Vec4f.h.

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value_type& osg::Vec4f::w ( )

inline

Definition at line 90 of file Vec4f.h.

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value_type osg::Vec4f::w ( ) const

inline

Definition at line 95 of file Vec4f.h.

value_type& osg::Vec4f::x ( )

inline

Definition at line 87 of file Vec4f.h.

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value_type osg::Vec4f::x ( ) const

inline

Definition at line 92 of file Vec4f.h.

value_type& osg::Vec4f::y ( )

inline

Definition at line 88 of file Vec4f.h.

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value_type osg::Vec4f::y ( ) const

inline

Definition at line 93 of file Vec4f.h.

value_type& osg::Vec4f::z ( )

inline

Definition at line 89 of file Vec4f.h.

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value_type osg::Vec4f::z ( ) const

inline

Definition at line 94 of file Vec4f.h.

Member Data Documentation

value_type osg::Vec4f::_v[4]

Vec member variable.

Definition at line 38 of file Vec4f.h.

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

• osg_head/include/osg/Vec4f.h