SbVec2f.3coin3 - Man Page
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Synopsis
#include <Inventor/SbLinear.h>
Public Member Functions
SbVec2f (void)
SbVec2f (const float v[2])
SbVec2f (float x, float y)
SbVec2f (const SbVec2d &v)
SbVec2f (const SbVec2b &v)
SbVec2f (const SbVec2s &v)
SbVec2f (const SbVec2i32 &v)
SbVec2f & setValue (const float v[2])
SbVec2f & setValue (float x, float y)
SbVec2f & setValue (const SbVec2d &v)
SbVec2f & setValue (const SbVec2b &v)
SbVec2f & setValue (const SbVec2s &v)
SbVec2f & setValue (const SbVec2i32 &v)
const float * getValue (void) const
void getValue (float &x, float &y) const
float & operator[] (int i)
const float & operator[] (int i) const
float dot (const SbVec2f &v) const
SbBool equals (const SbVec2f &v, float tolerance) const
float length (void) const
float sqrLength (void) const
void negate (void)
float normalize (void)
SbVec2f & operator*= (float d)
SbVec2f & operator/= (float d)
SbVec2f & operator+= (const SbVec2f &v)
SbVec2f & operator-= (const SbVec2f &v)
SbVec2f operator- (void) const
void print (FILE *fp) const
Protected Attributes
float vec [2]
Related Symbols
(Note that these are not member symbols.)
SbVec2f operator* (const SbVec2f &v, float d)
SbVec2f operator* (float d, const SbVec2f &v)
SbVec2f operator/ (const SbVec2f &v, float d)
SbVec2f operator+ (const SbVec2f &v1, const SbVec2f &v2)
SbVec2f operator- (const SbVec2f &v1, const SbVec2f &v2)
int operator== (const SbVec2f &v1, const SbVec2f &v2)
int operator!= (const SbVec2f &v1, const SbVec2f &v2)
Detailed Description
The SbVec2f class is a 2 dimensional vector with 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, SbVec2d, SbVec3s, SbVec3f, SbVec3d, SbVec4f, SbVec4d.
Constructor & Destructor Documentation
SbVec2f::SbVec2f (void) [inline]
The default constructor does nothing. The vector coordinates will be uninitialized until you do a setValue().
SbVec2f::SbVec2f (const float v[2]) [inline]
Constructs an SbVec2f instance with initial values from v.
SbVec2f::SbVec2f (float x, float y) [inline]
Constructs an SbVec2f instance with the initial vector endpoints from x and y.
SbVec2f::SbVec2f (const SbVec2d & v) [inline], [explicit]
Constructs an instance from an SbVec2d instance.
- Since
Coin 2.5
SbVec2f::SbVec2f (const SbVec2b & v) [inline], [explicit]
Constructs an instance from an SbVec2d instance.
- Since
Coin 2.5
SbVec2f::SbVec2f (const SbVec2s & v) [inline], [explicit]
Constructs an instance from an SbVec2d instance.
- Since
Coin 2.5
SbVec2f::SbVec2f (const SbVec2i32 & v) [inline], [explicit]
Constructs an instance from an SbVec2d instance.
- Since
Coin 2.5
Member Function Documentation
SbVec2f & SbVec2f::setValue (const float v[2]) [inline]
Set new x and y coordinates for the vector from v. Returns reference to self.
- See also
getValue().
SbVec2f & SbVec2f::setValue (float x, float y) [inline]
Set new x and y coordinates for the vector. Returns reference to self.
- See also
getValue().
SbVec2f & SbVec2f::setValue (const SbVec2d & v)
Sets the value from an SbVec2d instance.
- Since
Coin 2.5
SbVec2f & SbVec2f::setValue (const SbVec2b & v)
Sets the value from an SbVec2b instance.
- Since
Coin 2.5
SbVec2f & SbVec2f::setValue (const SbVec2s & v)
Sets the value from an SbVec2s instance.
- Since
Coin 2.5
SbVec2f & SbVec2f::setValue (const SbVec2i32 & v)
Sets the value from an SbVec2i32 instance.
- Since
Coin 2.5
const float * SbVec2f::getValue (void) const [inline]
Returns a pointer to an array of two floats containing the x and y coordinates of the vector.
- See also
setValue().
void SbVec2f::getValue (float & x, float & y) const [inline]
Returns the x and y coordinates of the vector.
- See also
setValue().
float & SbVec2f::operator[] (int i) [inline]
Index operator. Returns modifiable x or y coordinate.
- See also
getValue() and setValue().
const float & SbVec2f::operator[] (int i) const [inline]
Index operator. Returns x or y coordinate.
- See also
getValue().
float SbVec2f::dot (const SbVec2f & v) const [inline]
Calculates and returns the result of taking the dot product of this vector and v.
SbBool SbVec2f::equals (const SbVec2f & v, float 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.
float SbVec2f::length (void) const
Return length of vector.
float SbVec2f::sqrLength (void) const [inline]
Returns the square of the length of the vector.
- Since
Coin 2.5
void SbVec2f::negate (void) [inline]
Negate the vector (i.e. point it in the opposite direction).
float SbVec2f::normalize (void)
Normalize the vector to unit length. Return value is the original length of the vector before normalization.
SbVec2f & SbVec2f::operator*= (float d) [inline]
Multiply components of vector with value d. Returns reference to self.
SbVec2f & SbVec2f::operator/= (float d) [inline]
Divides components of vector with value d. Returns reference to self.
SbVec2f & SbVec2f::operator+= (const SbVec2f & v) [inline]
Adds this vector and vector u. Returns reference to self.
SbVec2f & SbVec2f::operator-= (const SbVec2f & v) [inline]
Subtracts vector u from this vector. Returns reference to self.
SbVec2f SbVec2f::operator- (void) const [inline]
Non-destructive negation operator. Returns a new SbVec2f instance which points in the opposite direction of this vector.
- See also
negate().
void SbVec2f::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 Symbol Documentation
Author
Generated automatically by Doxygen for Coin from the source code.
Referenced By
The man page SbVec2f.3coin2(3) is an alias of SbVec2f.3coin3(3).