SbVec2f (3)

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

SbString toString () const

SbBool fromString (const SbString &str)

void print (FILE *fp) const

Protected Attributes

float vec [2]

Related Functions

(Note that these are not member functions.) 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)

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.

SbVec2f::SbVec2f (void)\fC [inline]\fP

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

SbVec2f::SbVec2f (const floatv[2])\fC [inline]\fP

Constructs an SbVec2f instance with initial values from v.

SbVec2f::SbVec2f (floatx, floaty)\fC [inline]\fP

Constructs an SbVec2f instance with the initial vector endpoints from x and y.

SbVec2f::SbVec2f (const \fBSbVec2d\fP &v)\fC [inline]\fP, \fC [explicit]\fP

Constructs an instance from an SbVec2d instance.

Since:

Coin 2.5

SbVec2f::SbVec2f (const \fBSbVec2b\fP &v)\fC [inline]\fP, \fC [explicit]\fP

Constructs an instance from an SbVec2d instance.

Since:

Coin 2.5

SbVec2f::SbVec2f (const \fBSbVec2s\fP &v)\fC [inline]\fP, \fC [explicit]\fP

Constructs an instance from an SbVec2d instance.

Since:

Coin 2.5

SbVec2f::SbVec2f (const \fBSbVec2i32\fP &v)\fC [inline]\fP, \fC [explicit]\fP

Constructs an instance from an SbVec2d instance.

Since:

Coin 2.5

\fBSbVec2f\fP & SbVec2f::setValue (const floatv[2])\fC [inline]\fP

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

See also:

getValue().

\fBSbVec2f\fP & SbVec2f::setValue (floatx, floaty)\fC [inline]\fP

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

See also:

getValue().

\fBSbVec2f\fP & SbVec2f::setValue (const \fBSbVec2d\fP &v)

Sets the value from an SbVec2d instance.

Since:

Coin 2.5

\fBSbVec2f\fP & SbVec2f::setValue (const \fBSbVec2b\fP &v)

Sets the value from an SbVec2b instance.

Since:

Coin 2.5

\fBSbVec2f\fP & SbVec2f::setValue (const \fBSbVec2s\fP &v)

Sets the value from an SbVec2s instance.

Since:

Coin 2.5

\fBSbVec2f\fP & SbVec2f::setValue (const \fBSbVec2i32\fP &v)

Sets the value from an SbVec2i32 instance.

Since:

Coin 2.5

const float * SbVec2f::getValue (void) const\fC [inline]\fP

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\fC [inline]\fP

Returns the x and y coordinates of the vector.

See also:

setValue().

float & SbVec2f::operator[] (inti)\fC [inline]\fP

Index operator. Returns modifiable x or y coordinate.

See also:

getValue() and setValue().

const float & SbVec2f::operator[] (inti) const\fC [inline]\fP

Index operator. Returns x or y coordinate.

See also:

getValue().

float SbVec2f::dot (const \fBSbVec2f\fP &v) const\fC [inline]\fP

Calculates and returns the result of taking the dot product of this vector and v.

SbBool SbVec2f::equals (const \fBSbVec2f\fP &v, floattolerance) 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\fC [inline]\fP

Returns the square of the length of the vector.

Since:

Coin 2.5

void SbVec2f::negate (void)\fC [inline]\fP

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.

\fBSbVec2f\fP & SbVec2f::operator*= (floatd)\fC [inline]\fP

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

\fBSbVec2f\fP & SbVec2f::operator/= (floatd)\fC [inline]\fP

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

\fBSbVec2f\fP & SbVec2f::operator+= (const \fBSbVec2f\fP &v)\fC [inline]\fP

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

\fBSbVec2f\fP & SbVec2f::operator-= (const \fBSbVec2f\fP &v)\fC [inline]\fP

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

\fBSbVec2f\fP SbVec2f::operator- (void) const\fC [inline]\fP

Non-destructive negation operator. Returns a new SbVec2f instance which points in the opposite direction of this vector.

See also:

negate().

\fBSbString\fP SbVec2f::toString () const

Return a string representation of this object

SbBool SbVec2f::fromString (const \fBSbString\fP &str)

Convert from a string representation, return wether this is a valid conversion

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.

\fBSbVec2f\fP operator* (const \fBSbVec2f\fP &v, floatd)\fC [related]\fP

Returns an SbVec2f instance which is the components of vector v multiplied with d.

\fBSbVec2f\fP operator* (floatd, const \fBSbVec2f\fP &v)\fC [related]\fP

Returns an SbVec2f instance which is the components of vector v multiplied with d.

\fBSbVec2f\fP operator/ (const \fBSbVec2f\fP &v, floatd)\fC [related]\fP

Returns an SbVec2f instance which is the components of vector v divided on the scalar factor d.

\fBSbVec2f\fP operator+ (const \fBSbVec2f\fP &v1, const \fBSbVec2f\fP &v2)\fC [related]\fP

Returns an SbVec2f instance which is the sum of vectors v1 and v2.

\fBSbVec2f\fP operator- (const \fBSbVec2f\fP &v1, const \fBSbVec2f\fP &v2)\fC [related]\fP

Returns an SbVec2f instance which is vector v2 subtracted from vector v1.

int operator== (const \fBSbVec2f\fP &v1, const \fBSbVec2f\fP &v2)\fC [related]\fP

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

See also:

equals().

int operator!= (const \fBSbVec2f\fP &v1, const \fBSbVec2f\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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