The SbVec2f class is a 2 dimensional vector with floating point coordinates.
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#include <Inventor/SbVec2f.h>
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 as well as simple floating point arithmetic operations on this vector.
- See also
- SbVec2s, SbVec2d, SbVec3s, SbVec3f, SbVec3d, SbVec4f, SbVec4d.
◆ SbVec2f() [1/7]
| SbVec2f::SbVec2f |
( |
void |
| ) |
|
|
inline |
The default constructor does nothing. The vector coordinates will be uninitialized until you do a setValue().
◆ SbVec2f() [2/7]
| SbVec2f::SbVec2f |
( |
const float |
v[2] | ) |
|
|
inline |
Constructs an SbVec2f instance with initial values from v.
◆ SbVec2f() [3/7]
| SbVec2f::SbVec2f |
( |
float |
x, |
|
|
float |
y |
|
) |
| |
|
inline |
Constructs an SbVec2f instance with the initial vector endpoints from x and y.
◆ SbVec2f() [4/7]
| SbVec2f::SbVec2f |
( |
const SbVec2d & |
v | ) |
|
|
inlineexplicit |
Constructs an instance from an SbVec2d instance.
- Since
- Coin 2.5
◆ SbVec2f() [5/7]
| SbVec2f::SbVec2f |
( |
const SbVec2b & |
v | ) |
|
|
inlineexplicit |
Constructs an instance from an SbVec2d instance.
- Since
- Coin 2.5
◆ SbVec2f() [6/7]
| SbVec2f::SbVec2f |
( |
const SbVec2s & |
v | ) |
|
|
inlineexplicit |
Constructs an instance from an SbVec2d instance.
- Since
- Coin 2.5
◆ SbVec2f() [7/7]
Constructs an instance from an SbVec2d instance.
- Since
- Coin 2.5
◆ setValue() [1/6]
| 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().
◆ setValue() [2/6]
| SbVec2f & SbVec2f::setValue |
( |
float |
x, |
|
|
float |
y |
|
) |
| |
|
inline |
Set new x and y coordinates for the vector. Returns reference to self.
- See also
- getValue().
◆ setValue() [3/6]
Sets the value from an SbVec2d instance.
- Since
- Coin 2.5
◆ setValue() [4/6]
Sets the value from an SbVec2b instance.
- Since
- Coin 2.5
◆ setValue() [5/6]
Sets the value from an SbVec2s instance.
- Since
- Coin 2.5
◆ setValue() [6/6]
Sets the value from an SbVec2i32 instance.
- Since
- Coin 2.5
◆ getValue() [1/2]
| 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().
◆ getValue() [2/2]
| void SbVec2f::getValue |
( |
float & |
x, |
|
|
float & |
y |
|
) |
| const |
|
inline |
Returns the x and y coordinates of the vector.
- See also
- setValue().
◆ operator[]() [1/2]
| float & SbVec2f::operator[] |
( |
int |
i | ) |
|
|
inline |
◆ operator[]() [2/2]
| const float & SbVec2f::operator[] |
( |
int |
i | ) |
const |
|
inline |
Index operator. Returns x or y coordinate.
- See also
- getValue().
◆ dot()
| float SbVec2f::dot |
( |
const SbVec2f & |
v | ) |
const |
|
inline |
Calculates and returns the result of taking the dot product of this vector and v.
◆ equals()
| 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.
◆ length()
| float SbVec2f::length |
( |
void |
| ) |
const |
◆ sqrLength()
| float SbVec2f::sqrLength |
( |
void |
| ) |
const |
|
inline |
Returns the square of the length of the vector.
- Since
- Coin 2.5
◆ negate()
| void SbVec2f::negate |
( |
void |
| ) |
|
|
inline |
Negate the vector (i.e. point it in the opposite direction).
◆ normalize()
| float SbVec2f::normalize |
( |
void |
| ) |
|
Normalize the vector to unit length. Return value is the original length of the vector before normalization.
◆ operator*=()
| SbVec2f & SbVec2f::operator*= |
( |
float |
d | ) |
|
|
inline |
Multiply components of vector with value d. Returns reference to self.
◆ operator/=()
| SbVec2f & SbVec2f::operator/= |
( |
float |
d | ) |
|
|
inline |
Divides components of vector with value d. Returns reference to self.
◆ operator+=()
Adds this vector and vector u. Returns reference to self.
◆ operator-=()
Subtracts vector u from this vector. Returns reference to self.
◆ operator-()
| 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().
◆ toString()
Return a string representation of this object
◆ fromString()
| SbBool SbVec2f::fromString |
( |
const SbString & |
str | ) |
|
Convert from a string representation, return wether this is a valid conversion
◆ print()
| 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.
◆ operator*() [1/2]
Returns an SbVec2f instance which is the components of vector v multiplied with d.
◆ operator*() [2/2]
Returns an SbVec2f instance which is the components of vector v multiplied with d.
◆ operator/()
Returns an SbVec2f instance which is the components of vector v divided on the scalar factor d.
◆ operator+()
Returns an SbVec2f instance which is the sum of vectors v1 and v2.
◆ operator-()
Returns an SbVec2f instance which is vector v2 subtracted from vector v1.
◆ operator==()
Returns 1 if v1 and v2 are equal, 0 otherwise.
- See also
- equals().
◆ operator!=()
Returns 1 if v1 and v2 are not equal, 0 if they are equal.
- See also
- equals().
The documentation for this class was generated from the following files:
