SbVec2d Class Reference

The SbVec2d class is a 2 dimensional vector with double precision floating point coordinates.This vector class is used by many other classes in Coin. It provides storage for a vector in 2 dimensions aswell as simple floating point arithmetic operations on this vector. More...

Public Member Functions
	SbVec2d (void)
	SbVec2d (const double v[2])
	SbVec2d (double x, double y)
	SbVec2d (const SbVec2f &v)
	SbVec2d (const SbVec2b &v)
	SbVec2d (const SbVec2s &v)
	SbVec2d (const SbVec2i32 &v)
SbVec2d &	setValue (const double v[2])
SbVec2d &	setValue (double x, double y)
SbVec2d &	setValue (const SbVec2f &v)
SbVec2d &	setValue (const SbVec2b &v)
SbVec2d &	setValue (const SbVec2s &v)
SbVec2d &	setValue (const SbVec2i32 &v)
const double *	getValue (void) const
void	getValue (double &x, double &y) const
double &	operator[] (int i)
const double &	operator[] (int i) const
SbBool	equals (const SbVec2d &v, double tolerance) const
double	dot (const SbVec2d &v) const
double	length (void) const
double	sqrLength (void) const
double	normalize (void)
void	negate (void)
SbVec2d &	operator*= (double d)
SbVec2d &	operator/= (double d)
SbVec2d &	operator+= (const SbVec2d &v)
SbVec2d &	operator-= (const SbVec2d &v)
SbVec2d	operator- (void) const
void	print (FILE *fp) const

Protected Attributes
double	vec [2]

Related Functions
(Note that these are not member functions.)
SbVec2d	operator* (const SbVec2d &v, double d)
SbVec2d	operator* (double d, const SbVec2d &v)
SbVec2d	operator/ (const SbVec2d &v, double d)
SbVec2d	operator+ (const SbVec2d &v1, const SbVec2d &v2)
SbVec2d	operator- (const SbVec2d &v1, const SbVec2d &v2)
int	operator== (const SbVec2d &v1, const SbVec2d &v2)
int	operator!= (const SbVec2d &v1, const SbVec2d &v2)

Detailed Description

The SbVec2d class is a 2 dimensional vector with double precision floating point coordinates.

This vector class is used by many other classes in Coin. It provides storage for a vector in 2 dimensions aswell as simple floating point arithmetic operations on this vector.

See also

SbVec2s, SbVec2f, SbVec3s, SbVec3f, SbVec3d, SbVec4f, SbVec4d.

Constructor & Destructor Documentation

SbVec2d::SbVec2d ( void  )

inline

The default constructor does nothing. The vector coordinates will be uninitialized until you do a setValue().

SbVec2d::SbVec2d ( const double  v[2] )

inline

Constructs an SbVec2d instance with initial values from v.

SbVec2d::SbVec2d ( double  x, double  y  )

inline

Constructs an SbVec2d instance with the initial vector endpoints from x and y.

SbVec2d::SbVec2d ( const SbVec2f &  v )

inlineexplicit

Constructs an SbVec2d instance from an SbVec2f instance.

Since

Coin 2.5

SbVec2d::SbVec2d ( const SbVec2b &  v )

inlineexplicit

Constructs an SbVec2d instance from an SbVec2b instance.

Since

Coin 2.5

SbVec2d::SbVec2d ( const SbVec2s &  v )

inlineexplicit

Constructs an SbVec2d instance from an SbVec2s instance.

Since

Coin 2.5

SbVec2d::SbVec2d ( const SbVec2i32 &  v )

inlineexplicit

Constructs an SbVec2d instance from an SbVec2i32 instance.

Since

Coin 2.5

Member Function Documentation

SbVec2d & SbVec2d::setValue ( const double  v[2] )

inline

Set new x and y coordinates for the vector from v. Returns reference to self.

See also

getValue().

SbVec2d & SbVec2d::setValue ( double  x, double  y  )

inline

Set new x and y coordinates for the vector. Returns reference to self.

See also

getValue().

SbVec2d & SbVec2d::setValue

(

const SbVec2f &

v

)

Sets the value from an SbVec2f instance. Returns reference to itself.

Since

Coin 2.5

SbVec2d & SbVec2d::setValue

(

const SbVec2b &

v

)

Sets the value from an SbVec2b instance. Returns reference to itself.

Since

Coin 2.5

SbVec2d & SbVec2d::setValue

(

const SbVec2s &

v

)

Sets the value from an SbVec2s instance. Returns reference to itself.

Since

Coin 2.5

SbVec2d & SbVec2d::setValue

(

const SbVec2i32 &

v

)

Sets the value from an SbVec2i32 instance. Returns reference to itself.

Since

Coin 2.5

const double * SbVec2d::getValue ( void  ) const

inline

Returns a pointer to an array of two double containing the x and y coordinates of the vector.

See also

setValue().

void SbVec2d::getValue ( double &  x, double &  y  ) const

inline

Returns the x and y coordinates of the vector.

See also

setValue().

double & SbVec2d::operator[] ( int  i )

inline

Index operator. Returns modifiable x or y coordinate.

See also

getValue() and setValue().

const double & SbVec2d::operator[] ( int  i ) const

inline

Index operator. Returns x or y coordinate.

See also

getValue().

SbBool SbVec2d::equals	(	const SbVec2d &	v,
		double	tolerance
	)		const

Compares the vector with v and returns TRUE if the distance between the vectors is smaller or equal to the square root of tolerance.

double SbVec2d::dot ( const SbVec2d &  v ) const

inline

Calculates and returns the result of taking the dot product of this vector and v.

double SbVec2d::length

(

void

)

const

Return length of vector.

double SbVec2d::normalize

(

void

)

Normalize the vector to unit length. Return value is the original length of the vector before normalization.

void SbVec2d::negate ( void  )

inline

Negate the vector (i.e. point it in the opposite direction).

SbVec2d & SbVec2d::operator*= ( double  d )

inline

Multiply components of vector with value d. Returns reference to self.

SbVec2d & SbVec2d::operator/= ( double  d )

inline

Divides components of vector with value d. Returns reference to self.

SbVec2d & SbVec2d::operator+= ( const SbVec2d &  v )

inline

Adds this vector and vector u. Returns reference to self.

SbVec2d & SbVec2d::operator-= ( const SbVec2d &  v )

inline

Subtracts vector u from this vector. Returns reference to self.

SbVec2d SbVec2d::operator- ( void  ) const

inline

Non-destructive negation operator. Returns a new SbVec2d instance which points in the opposite direction of this vector.

See also

negate().

void SbVec2d::print

(

FILE *

fp

)

const

Dump the state of this object to the file stream. Only works in debug version of library, method does nothing in an optimized compile.

Friends And Related Function Documentation

SbVec2d operator* ( const SbVec2d &  v, double  d  )

related

Returns an SbVec2d instance which is the components of vector v multiplied with d.

SbVec2d operator* ( double  d, const SbVec2d &  v  )

related

Returns an SbVec2d instance which is the components of vector v multiplied with d.

SbVec2d operator/ ( const SbVec2d &  v, double  d  )

related

Returns an SbVec2d instance which is the components of vector v divided on the scalar factor d.

SbVec2d operator+ ( const SbVec2d &  v1, const SbVec2d &  v2  )

related

Returns an SbVec2d instance which is the sum of vectors v1 and v2.

SbVec2d operator- ( const SbVec2d &  v1, const SbVec2d &  v2  )

related

Returns an SbVec2d instance which is vector v2 subtracted from vector v1.

int operator== ( const SbVec2d &  v1, const SbVec2d &  v2  )

related

Returns 1 if v1 and v2 are equal, 0 otherwise.

See also

equals().

int operator!= ( const SbVec2d &  v1, const SbVec2d &  v2  )

related

Returns 1 if v1 and v2 are not equal, 0 if they are equal.

See also

equals().

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

• SbVec2d.h
• SbVec2d.cpp