SbVec2d (3)

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)

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.

SbVec2d::SbVec2d (void)\fC [inline]\fP

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

SbVec2d::SbVec2d (const doublev[2])\fC [inline]\fP

Constructs an SbVec2d instance with initial values from v.

SbVec2d::SbVec2d (doublex, doubley)\fC [inline]\fP

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

SbVec2d::SbVec2d (const \fBSbVec2f\fP &v)\fC [inline]\fP, \fC [explicit]\fP

Constructs an SbVec2d instance from an SbVec2f instance.

Since:

Coin 2.5

SbVec2d::SbVec2d (const \fBSbVec2b\fP &v)\fC [inline]\fP, \fC [explicit]\fP

Constructs an SbVec2d instance from an SbVec2b instance.

Since:

Coin 2.5

SbVec2d::SbVec2d (const \fBSbVec2s\fP &v)\fC [inline]\fP, \fC [explicit]\fP

Constructs an SbVec2d instance from an SbVec2s instance.

Since:

Coin 2.5

SbVec2d::SbVec2d (const \fBSbVec2i32\fP &v)\fC [inline]\fP, \fC [explicit]\fP

Constructs an SbVec2d instance from an SbVec2i32 instance.

Since:

Coin 2.5

\fBSbVec2d\fP & SbVec2d::setValue (const doublev[2])\fC [inline]\fP

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

See also:

getValue().

\fBSbVec2d\fP & SbVec2d::setValue (doublex, doubley)\fC [inline]\fP

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

See also:

getValue().

\fBSbVec2d\fP & SbVec2d::setValue (const \fBSbVec2f\fP &v)

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

Since:

Coin 2.5

\fBSbVec2d\fP & SbVec2d::setValue (const \fBSbVec2b\fP &v)

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

Since:

Coin 2.5

\fBSbVec2d\fP & SbVec2d::setValue (const \fBSbVec2s\fP &v)

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

Since:

Coin 2.5

\fBSbVec2d\fP & SbVec2d::setValue (const \fBSbVec2i32\fP &v)

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

Since:

Coin 2.5

const double * SbVec2d::getValue (void) const\fC [inline]\fP

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\fC [inline]\fP

Returns the x and y coordinates of the vector.

See also:

setValue().

double & SbVec2d::operator[] (inti)\fC [inline]\fP

Index operator. Returns modifiable x or y coordinate.

See also:

getValue() and setValue().

const double & SbVec2d::operator[] (inti) const\fC [inline]\fP

Index operator. Returns x or y coordinate.

See also:

getValue().

SbBool SbVec2d::equals (const \fBSbVec2d\fP &v, doubletolerance) 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 \fBSbVec2d\fP &v) const\fC [inline]\fP

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)\fC [inline]\fP

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

\fBSbVec2d\fP & SbVec2d::operator*= (doubled)\fC [inline]\fP

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

\fBSbVec2d\fP & SbVec2d::operator/= (doubled)\fC [inline]\fP

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

\fBSbVec2d\fP & SbVec2d::operator+= (const \fBSbVec2d\fP &v)\fC [inline]\fP

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

\fBSbVec2d\fP & SbVec2d::operator-= (const \fBSbVec2d\fP &v)\fC [inline]\fP

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

\fBSbVec2d\fP SbVec2d::operator- (void) const\fC [inline]\fP

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.

\fBSbVec2d\fP operator* (const \fBSbVec2d\fP &v, doubled)\fC [related]\fP

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

\fBSbVec2d\fP operator* (doubled, const \fBSbVec2d\fP &v)\fC [related]\fP

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

\fBSbVec2d\fP operator/ (const \fBSbVec2d\fP &v, doubled)\fC [related]\fP

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

\fBSbVec2d\fP operator+ (const \fBSbVec2d\fP &v1, const \fBSbVec2d\fP &v2)\fC [related]\fP

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

\fBSbVec2d\fP operator- (const \fBSbVec2d\fP &v1, const \fBSbVec2d\fP &v2)\fC [related]\fP

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

int operator== (const \fBSbVec2d\fP &v1, const \fBSbVec2d\fP &v2)\fC [related]\fP

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

See also:

equals().

int operator!= (const \fBSbVec2d\fP &v1, const \fBSbVec2d\fP &v2)\fC [related]\fP

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

See also:

equals().

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