SbVec2f3iv

Usage

Inherits from

SbVec2f

Overview

2D vector class used to store 2D vectors and points. This class is used throughout Inventor for arguments and return values.

Methods

SbVec2f()
Default constructor.

SbVec2f(const float v[2])
SbVec2f(float x, float y)
Constructor given vector components.

float dot(const SbVec2f &v) const
Returns dot (inner) product of vector and another vector.

SbBool equals(const SbVec2f v, float tolerance) const
Equality comparison within given tolerance — the square of the length of the maximum distance between the two vectors.

const float * getValue() const
void getValue(float &x, float &y) 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.

SbVec2f & setValue(const float v[2])
SbVec2f & setValue(float x, float y)
Sets the vector components.

float & operator [](int i)
const float & operator [](int i)
Accesses indexed component of vector.

SbVec2f & operator *=(float d)
SbVec2f & operator /=(float d)
Component-wise scalar multiplication and division operators.

SbVec2f & operator +=(const SbVec2f &u)
SbVec2f & operator -=(const SbVec2f &u)
Component-wise vector addition and subtraction operators.

SbVec2f operator -() const
Nondestructive unary negation — returns a new vector.

SbVec2f operator *(const SbVec2f &v, float d)
SbVec2f operator *(float d, const SbVec2f &v)
SbVec2f operator /(const SbVec2f &v, float d)
Component-wise binary scalar multiplication and division operators.

SbVec2f operator +(const SbVec2f &v1, const SbVec2f &v2)
SbVec2f operator -(const SbVec2f &v1, const SbVec2f &v2)
Component-wise binary vector addition and subtraction operators.

int operator ==(const SbVec2f &v1, const SbVec2f &v2)
int operator !=(const SbVec2f &v1, const SbVec2f &v2)
Equality comparison operators.