SbVec2d3
The sbvec2d class is a 2 dimensional vector with double precision floating point coordinates.
Usage
#include <Inventor/SbVec2d.h>
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 Symbols
(Note that these are not member symbols.) 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 as well 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) [inline], [explicit]
Constructs an SbVec2d instance from an SbVec2f instance.
Since
Coin 2.5
SbVec2d::SbVec2d (const SbVec2b & v) [inline], [explicit]
Constructs an SbVec2d instance from an SbVec2b instance.
Since
Coin 2.5
SbVec2d::SbVec2d (const SbVec2s & v) [inline], [explicit]
Constructs an SbVec2d instance from an SbVec2s instance.
Since
Coin 2.5
SbVec2d::SbVec2d (const SbVec2i32 & v) [inline], [explicit]
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::sqrLength (void ) const [inline]
Returns the square of the length of the 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 fp file stream. Only works in debug version of library, method does nothing in an optimized build.
Releases
5 releases since Debian 5.0 (Lenny); the text changed 4 times.