class osg::Vec3f

General purpose float triple for use as vertices, vectors and normals.

Public Fields

value_type _v[3]

Public Methods

Vec3f()

Vec3f(value_type x, value_type y, value_type z)

inline bool operator == (const Vec3f& v) const

inline bool operator != (const Vec3f& v) const

inline bool operator < (const Vec3f& v) const

inline value_type* ptr()

inline const value_type* ptr() const

inline void set( value_type x, value_type y, value_type z)

inline void set( const Vec3f& rhs)

inline value_type& operator [] (int i)

inline value_type operator [] (int i) const

inline value_type& x()

inline value_type& y()

inline value_type& z()

inline value_type x() const

inline value_type y() const

inline value_type z() const

inline bool valid() const

inline bool isNaN() const

inline value_type operator * (const Vec3f& rhs) const

dot product

inline const Vec3f operator ^ (const Vec3f& rhs) const

cross product

inline const Vec3f operator * (value_type rhs) const

multiply by scalar

inline Vec3f& operator *= (value_type rhs)

unary multiply by scalar

inline const Vec3f operator / (value_type rhs) const

divide by scalar

inline Vec3f& operator /= (value_type rhs)

unary divide by scalar

inline const Vec3f operator + (const Vec3f& rhs) const

binary vector add

inline Vec3f& operator += (const Vec3f& rhs)

unary vector add.

inline const Vec3f operator - (const Vec3f& rhs) const

binary vector subtract

inline Vec3f& operator -= (const Vec3f& rhs)

unary vector subtract

inline const Vec3f operator - () const

negation operator.

inline value_type length() const

Length of the vector = sqrt( vec .

inline value_type length2() const

Length squared of the vector = vec .

inline value_type normalize()

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

Public

typedef float value_type

Documentation

General purpose float triple for use as vertices, vectors and normals. Provides general maths operations from addition through to cross products. No support yet added for float * Vec3f - is it necessary? Need to define a non-member non-friend operator* etc. Vec3f * float is okay

typedef float value_type

value_type _v[3]

Vec3f()

Vec3f(value_type x, value_type y, value_type z)

inline bool operator == (const Vec3f& v) const

inline bool operator != (const Vec3f& v) const

inline bool operator < (const Vec3f& v) const

inline value_type* ptr()

inline const value_type* ptr() const

inline void set( value_type x, value_type y, value_type z)

inline void set( const Vec3f& rhs)

inline value_type& operator [] (int i)

inline value_type operator [] (int i) const

inline value_type& x()

inline value_type& y()

inline value_type& z()

inline value_type x() const

inline value_type y() const

inline value_type z() const

inline bool valid() const

inline bool isNaN() const

inline value_type operator * (const Vec3f& rhs) const

dot product

inline const Vec3f operator ^ (const Vec3f& rhs) const

cross product

inline const Vec3f operator * (value_type rhs) const

multiply by scalar

inline Vec3f& operator *= (value_type rhs)

unary multiply by scalar

inline const Vec3f operator / (value_type rhs) const

divide by scalar

inline Vec3f& operator /= (value_type rhs)

unary divide by scalar

inline const Vec3f operator + (const Vec3f& rhs) const

binary vector add

inline Vec3f& operator += (const Vec3f& rhs)

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

inline const Vec3f operator - (const Vec3f& rhs) const

binary vector subtract

inline Vec3f& operator -= (const Vec3f& rhs)

unary vector subtract

inline const Vec3f operator - () const

negation operator. Returns the negative of the Vec3f

inline value_type length() const

Length of the vector = sqrt( vec . vec )

inline value_type length2() const

Length squared of the vector = vec . vec

inline value_type normalize()

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

This class has no child classes.

Friends:

inline std::ostream& operator << (std::ostream& output, const Vec3f& vec)

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