NAME

SbVec3f — 3D vector class

INHERITS FROM

SbVec3f

SYNOPSIS

#include <Inventor/SbLinear.h>

Methods from class SbVec3f:

SbVec3f()

SbVec3f(const float v[3])

SbVec3f(float x, float y, float z)

SbVec3f(SbPlane &p0, SbPlane &p1, SbPlane &p2)

SbVec3f cross(const SbVec3f &v) const

float dot(const SbVec3f &v) const

SbBool equals(const SbVec3f v, float tolerance) const

SbVec3f getClosestAxis() const

const float * getValue() const

void getValue(float &x, float &y, float &z) const

float length() const

void negate()

float normalize()

SbVec3f & setValue(const float v[3])

SbVec3f & setValue(float x, float y, float z)

SbVec3f & setValue(const SbVec3f &barycentic, const SbVec3f &v0, const SbVec3f &v1, const SbVec3f &v2)

float & operator [](int i)

const float & operator [](int i)

SbVec3f & operator *=(float d)

SbVec3f & operator /=(float d)

SbVec3f & operator +=(const SbVec3f &u)

SbVec3f & operator -=(const SbVec3f &u)

SbVec3f operator -() const

SbVec3f operator *(const SbVec3f &v, float d)

SbVec3f operator *(float d, const SbVec3f &v)

SbVec3f operator /(const SbVec3f &v, float d)

SbVec3f operator +(const SbVec3f &v1, const SbVec3f &v2)

SbVec3f operator -(const SbVec3f &v1, const SbVec3f &v2)

int operator ==(const SbVec3f &v1, const SbVec3f &v2)

int operator !=(const SbVec3f &v1, const SbVec3f &v2)

DESCRIPTION

3D vector class used to store 3D vectors and points. This class is used throughout Inventor for arguments and return values.

METHODS

SbVec3f()

Default constructor.

SbVec3f(const float v[3])

SbVec3f(float x, float y, float z)

Constructor given vector components.

SbVec3f(SbPlane &p0, SbPlane &p1, SbPlane &p2)

Constructor given 3 planes.

SbVec3f cross(const SbVec3f &v) const

Returns right-handed cross product of vector and another vector.

float dot(const SbVec3f &v) const

Returns dot (inner) product of vector and another vector.

SbBool equals(const SbVec3f v, float tolerance) const

Equality comparison within given tolerance — the square of the length of the maximum distance between the two vectors.

SbVec3f getClosestAxis() const

Returns principal axis that is closest (based on maximum dot product) to this vector.

const float * getValue() const

void getValue(float &x, float &y, float &z) const

Returns vector components.

float length() const

Returns geometric length of vector.

void negate()

Negates each component of vector in place.

float normalize()

Changes vector to be unit length, returning the length before normalization.

SbVec3f & setValue(const float v[3])

SbVec3f & setValue(float x, float y, float z)

Sets the vector components.

SbVec3f & setValue(const SbVec3f &barycentic, const SbVec3f &v0, const SbVec3f &v1, const SbVec3f &v2)

Sets value of vector as the weighted average of 3 other vectors.

float & operator [](int i)

const float & operator [](int i)

Accesses indexed component of vector.

SbVec3f & operator *=(float d)

SbVec3f & operator /=(float d)

Component-wise scalar multiplication and division operators.

SbVec3f & operator +=(const SbVec3f &u)

SbVec3f & operator -=(const SbVec3f &u)

Component-wise vector addition and subtraction operators.

SbVec3f operator -() const

Nondestructive unary negation — returns a new vector.

SbVec3f operator *(const SbVec3f &v, float d)

SbVec3f operator *(float d, const SbVec3f &v)

SbVec3f operator /(const SbVec3f &v, float d)

Component-wise binary scalar multiplication and division operators.

SbVec3f operator +(const SbVec3f &v1, const SbVec3f &v2)

SbVec3f operator -(const SbVec3f &v1, const SbVec3f &v2)

Component-wise binary vector addition and subtraction operators.

int operator ==(const SbVec3f &v1, const SbVec3f &v2)

int operator !=(const SbVec3f &v1, const SbVec3f &v2)

Equality comparison operators.

SEE ALSO

SbVec2f, SbVec4f, SbVec2s, SbRotation