OpenSceneGraph
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osg::Vec4d Class Reference

General purpose double quad. More...

Public Types

enum  { num_components = 4 }
 Number of vector components. More...
 
typedef double value_type
 Data type of vector components. More...
 

Public Member Functions

 Vec4d ()
 Constructor that sets all components of the vector to zero. More...
 
 Vec4d (value_type x, value_type y, value_type z, value_type w)
 
 Vec4d (const Vec3d &v3, value_type w)
 
 Vec4d (const Vec4f &vec)
 
 operator Vec4f () const
 
bool operator== (const Vec4d &v) const
 
bool operator!= (const Vec4d &v) const
 
bool operator< (const Vec4d &v) const
 
value_typeptr ()
 
const value_typeptr () const
 
void set (value_type x, value_type y, value_type z, value_type w)
 
value_typeoperator[] (unsigned int i)
 
value_type operator[] (unsigned int i) const
 
value_typex ()
 
value_typey ()
 
value_typez ()
 
value_typew ()
 
value_type x () const
 
value_type y () const
 
value_type z () const
 
value_type w () const
 
value_typer ()
 
value_typeg ()
 
value_typeb ()
 
value_typea ()
 
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
 Returns true if all components have values that are not NaN. More...
 
bool isNaN () const
 Returns true if at least one component has value NaN. More...
 
value_type operator* (const Vec4d &rhs) const
 Dot product. More...
 
Vec4d operator* (value_type rhs) const
 Multiply by scalar. More...
 
Vec4doperator*= (value_type rhs)
 Unary multiply by scalar. More...
 
Vec4d operator/ (value_type rhs) const
 Divide by scalar. More...
 
Vec4doperator/= (value_type rhs)
 Unary divide by scalar. More...
 
Vec4d operator+ (const Vec4d &rhs) const
 Binary vector add. More...
 
Vec4doperator+= (const Vec4d &rhs)
 Unary vector add. More...
 
Vec4d operator- (const Vec4d &rhs) const
 Binary vector subtract. More...
 
Vec4doperator-= (const Vec4d &rhs)
 Unary vector subtract. More...
 
const Vec4d operator- () const
 Negation operator. More...
 
value_type length () const
 Length of the vector = sqrt( vec . More...
 
value_type length2 () const
 Length squared of the vector = vec . More...
 
value_type normalize ()
 Normalize the vector so that it has length unity. More...
 

Public Attributes

value_type _v [4]
 

Detailed Description

General purpose double quad.

Uses include representation of color coordinates. No support yet added for double * Vec4d - is it necessary? Need to define a non-member non-friend operator* etc. Vec4d * double is okay

Member Typedef Documentation

◆ value_type

typedef double osg::Vec4d::value_type

Data type of vector components.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Number of vector components.

Enumerator
num_components 

Constructor & Destructor Documentation

◆ Vec4d() [1/4]

osg::Vec4d::Vec4d ( )
inline

Constructor that sets all components of the vector to zero.

Referenced by osg::componentDivide(), osg::componentMultiply(), operator*(), operator+(), operator-(), and operator/().

◆ Vec4d() [2/4]

osg::Vec4d::Vec4d ( value_type  x,
value_type  y,
value_type  z,
value_type  w 
)
inline

References w(), x(), y(), and z().

◆ Vec4d() [3/4]

osg::Vec4d::Vec4d ( const Vec3d v3,
value_type  w 
)
inline

References w().

◆ Vec4d() [4/4]

osg::Vec4d::Vec4d ( const Vec4f vec)
inline

References osg::Vec4f::_v.

Member Function Documentation

◆ a() [1/2]

value_type& osg::Vec4d::a ( )
inline

◆ a() [2/2]

value_type osg::Vec4d::a ( ) const
inline

◆ asABGR()

unsigned int osg::Vec4d::asABGR ( ) const
inline

References osg::clampTo().

◆ asRGBA()

unsigned int osg::Vec4d::asRGBA ( ) const
inline

References osg::clampTo().

◆ b() [1/2]

value_type& osg::Vec4d::b ( )
inline

◆ b() [2/2]

value_type osg::Vec4d::b ( ) const
inline

◆ g() [1/2]

value_type& osg::Vec4d::g ( )
inline

◆ g() [2/2]

value_type osg::Vec4d::g ( ) const
inline

◆ isNaN()

bool osg::Vec4d::isNaN ( ) const
inline

Returns true if at least one component has value NaN.

References osg::isNaN().

Referenced by valid().

◆ length()

value_type osg::Vec4d::length ( ) const
inline

Length of the vector = sqrt( vec .

vec )

Referenced by normalize().

◆ length2()

value_type osg::Vec4d::length2 ( void  ) const
inline

Length squared of the vector = vec .

vec

◆ normalize()

value_type osg::Vec4d::normalize ( )
inline

Normalize the vector so that it has length unity.

Returns the previous length of the vector.

References length().

◆ operator Vec4f()

osg::Vec4d::operator Vec4f ( ) const
inline

◆ operator!=()

bool osg::Vec4d::operator!= ( const Vec4d v) const
inline

References _v.

◆ operator*() [1/2]

value_type osg::Vec4d::operator* ( const Vec4d rhs) const
inline

Dot product.

References _v.

◆ operator*() [2/2]

Vec4d osg::Vec4d::operator* ( value_type  rhs) const
inline

Multiply by scalar.

References Vec4d().

◆ operator*=()

Vec4d& osg::Vec4d::operator*= ( value_type  rhs)
inline

Unary multiply by scalar.

◆ operator+()

Vec4d osg::Vec4d::operator+ ( const Vec4d rhs) const
inline

Binary vector add.

References _v, and Vec4d().

◆ operator+=()

Vec4d& osg::Vec4d::operator+= ( const Vec4d rhs)
inline

Unary vector add.

Slightly more efficient because no temporary intermediate object.

References _v.

◆ operator-() [1/2]

Vec4d osg::Vec4d::operator- ( const Vec4d rhs) const
inline

Binary vector subtract.

References _v, and Vec4d().

◆ operator-() [2/2]

const Vec4d osg::Vec4d::operator- ( ) const
inline

Negation operator.

Returns the negative of the Vec4d.

References Vec4d().

◆ operator-=()

Vec4d& osg::Vec4d::operator-= ( const Vec4d rhs)
inline

Unary vector subtract.

References _v.

◆ operator/()

Vec4d osg::Vec4d::operator/ ( value_type  rhs) const
inline

Divide by scalar.

References Vec4d().

◆ operator/=()

Vec4d& osg::Vec4d::operator/= ( value_type  rhs)
inline

Unary divide by scalar.

◆ operator<()

bool osg::Vec4d::operator< ( const Vec4d v) const
inline

References _v.

◆ operator==()

bool osg::Vec4d::operator== ( const Vec4d v) const
inline

References _v.

◆ operator[]() [1/2]

value_type& osg::Vec4d::operator[] ( unsigned int  i)
inline

◆ operator[]() [2/2]

value_type osg::Vec4d::operator[] ( unsigned int  i) const
inline

◆ ptr() [1/2]

value_type* osg::Vec4d::ptr ( )
inline

References _v.

Referenced by osg::GLExtensions::glUniform().

◆ ptr() [2/2]

const value_type* osg::Vec4d::ptr ( ) const
inline

References _v.

◆ r() [1/2]

value_type& osg::Vec4d::r ( )
inline

◆ r() [2/2]

value_type osg::Vec4d::r ( ) const
inline

◆ set()

void osg::Vec4d::set ( value_type  x,
value_type  y,
value_type  z,
value_type  w 
)
inline

References w(), x(), y(), and z().

◆ valid()

bool osg::Vec4d::valid ( ) const
inline

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

References isNaN().

◆ w() [1/2]

value_type& osg::Vec4d::w ( )
inline

◆ w() [2/2]

value_type osg::Vec4d::w ( ) const
inline

◆ x() [1/2]

value_type& osg::Vec4d::x ( )
inline

◆ x() [2/2]

value_type osg::Vec4d::x ( ) const
inline

◆ y() [1/2]

value_type& osg::Vec4d::y ( )
inline

◆ y() [2/2]

value_type osg::Vec4d::y ( ) const
inline

◆ z() [1/2]

value_type& osg::Vec4d::z ( )
inline

◆ z() [2/2]

value_type osg::Vec4d::z ( ) const
inline

Member Data Documentation

◆ _v

value_type osg::Vec4d::_v[4]

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