2D Vector class. More...

#include <UT_Vector2.h>

Inheritance diagram for UT_Vector2T< T >:

Public Types
typedef UT_FixedVector< T, 2, true >	Base

typedef T	value_type

Public Types inherited from UT_FixedVector< T, 2, true >
typedef UT_FixedVector< T, SIZE, INSTANTIATED >	ThisType

typedef T	value_type

typedef T	theType

typedef UT_StorageNum< T >	Storage

Public Member Functions
SYS_FORCE_INLINE	UT_Vector2T ()=default

SYS_FORCE_INLINE	UT_Vector2T (const UT_Vector2T< T > &that)=default

SYS_FORCE_INLINE	UT_Vector2T (UT_Vector2T< T > &&that)=default

SYS_FORCE_INLINE	UT_Vector2T (T v)

SYS_FORCE_INLINE	UT_Vector2T (T vx, T vy)

SYS_FORCE_INLINE	UT_Vector2T (const fpreal16 v[tuple_size])

SYS_FORCE_INLINE	UT_Vector2T (const fpreal32 v[tuple_size])

SYS_FORCE_INLINE	UT_Vector2T (const fpreal64 v[tuple_size])

SYS_FORCE_INLINE	UT_Vector2T (const int32 v[tuple_size])

SYS_FORCE_INLINE	UT_Vector2T (const int64 v[tuple_size])

	UT_Vector2T (const UT_Vector3T< T > &v)

	UT_Vector2T (const UT_Vector4T< T > &v)

template<typename S >
SYS_FORCE_INLINE	UT_Vector2T (const UT_Vector2T< S > &v)
	Our own type of any given value_type. More...

template<typename S , bool S_INSTANTIATED>
SYS_FORCE_INLINE	UT_Vector2T (const UT_FixedVector< S, tuple_size, S_INSTANTIATED > &v)
	Arbitrary UT_FixedVector of the same size. More...

SYS_FORCE_INLINE UT_Vector2T< T > &	operator= (const UT_Vector2T< T > &that)=default

SYS_FORCE_INLINE UT_Vector2T< T > &	operator= (UT_Vector2T< T > &&that)=default

template<typename S >
SYS_FORCE_INLINE UT_Vector2T< T > &	operator= (const UT_Vector2T< S > &v)

UT_Vector2T< T > &	operator= (const UT_Vector3T< T > &v)
	Assignment operator that truncates a V3 to a V2. More...

UT_Vector2T< T > &	operator= (const UT_Vector4T< T > &v)
	Assignment operator that truncates a V4 to a V2. More...

SYS_FORCE_INLINE UT_Vector2T< T >	operator- () const

void	multiplyComponents (const UT_Vector2T< T > &v)

T	whichSide (const UT_Vector2T< T > &e1, const UT_Vector2T< T > &e2) const

template<typename S >
UT_Vector2T< T > &	operator*= (const UT_Matrix2T< S > &mat)

UT_Vector2T< T >	project (const UT_Vector2T< T > &u) const
	Calculates the orthogonal projection of a vector u on the *this vector. More...

UT_Vector2T< T >	projection (const UT_Vector2T< T > &p, const UT_Vector2T< T > &v) const

UT_Vector3T< T >	getBary (const UT_Vector2T< T > &t0, const UT_Vector2T< T > &t1, const UT_Vector2T< T > &t2, bool *degen=NULL) const

unsigned	hash () const
	Compute a hash. More...

void	assign (T xx=0.0f, T yy=0.0f)
	Set the values of the vector components. More...

void	assign (const T *v)
	Set the values of the vector components. More...


int	findMinAbsAxis () const
	These allow you to find out what indices to use for different axes. More...

int	findMaxAbsAxis () const
	These allow you to find out what indices to use for different axes. More...


T &	x (void)

T	x (void) const

T &	y (void)

T	y (void) const

T &	operator() (unsigned i)

T	operator() (unsigned i) const


void	homogenize (void)
	Express the point in homogeneous coordinates or vice-versa. More...

void	dehomogenize (void)
	Express the point in homogeneous coordinates or vice-versa. More...


void	save (std::ostream &os, int binary=0) const
	Protected I/O methods. More...

bool	load (UT_IStream &is)
	Protected I/O methods. More...


bool	save (UT_JSONWriter &w) const

bool	save (UT_JSONValue &v) const

bool	load (UT_JSONParser &p)

Public Member Functions inherited from UT_FixedVector< T, 2, true >
SYS_FORCE_INLINE	UT_FixedVector ()=default

SYS_FORCE_INLINE	UT_FixedVector (T that) noexcept
	Initializes every component to the same value. More...

SYS_FORCE_INLINE	UT_FixedVector (const ThisType &that)=default

SYS_FORCE_INLINE	UT_FixedVector (ThisType &&that)=default

SYS_FORCE_INLINE	UT_FixedVector (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) noexcept

SYS_FORCE_INLINE	UT_FixedVector (const S that[SIZE]) noexcept

SYS_FORCE_INLINE const T &	operator[] (exint i) const noexcept

SYS_FORCE_INLINE T &	operator[] (exint i) noexcept

SYS_FORCE_INLINE constexpr const T *	data () const noexcept

SYS_FORCE_INLINE T *	data () noexcept

SYS_FORCE_INLINE ThisType &	operator= (const ThisType &that)=default

SYS_FORCE_INLINE ThisType &	operator= (ThisType &&that)=default

SYS_FORCE_INLINE ThisType &	operator= (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) noexcept

SYS_FORCE_INLINE const ThisType &	operator= (T that) noexcept

SYS_FORCE_INLINE void	operator+= (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that)

SYS_FORCE_INLINE void	operator+= (T that)

SYS_FORCE_INLINE UT_FixedVector< typename UT_StorageBetter< T, S >::Type, SIZE >	operator+ (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const

SYS_FORCE_INLINE void	operator-= (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that)

SYS_FORCE_INLINE void	operator-= (T that)

SYS_FORCE_INLINE UT_FixedVector< typename UT_StorageBetter< T, S >::Type, SIZE >	operator- (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const

SYS_FORCE_INLINE UT_FixedVector< T, SIZE >	operator- () const

SYS_FORCE_INLINE void	operator*= (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that)

SYS_FORCE_INLINE void	operator*= (T that)

SYS_FORCE_INLINE UT_FixedVector< typename UT_StorageBetter< T, S >::Type, SIZE >	operator* (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const

SYS_FORCE_INLINE UT_FixedVector< T, SIZE >	operator* (T that) const

SYS_FORCE_INLINE void	operator/= (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that)

SYS_FORCE_INLINE void	operator/= (T that)

SYS_FORCE_INLINE UT_FixedVector< typename UT_StorageBetter< T, S >::Type, SIZE >	operator/ (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const

SYS_FORCE_INLINE UT_FixedVector< T, SIZE >	operator/ (T that) const

SYS_FORCE_INLINE void	negate ()

SYS_FORCE_INLINE bool	operator== (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const noexcept

SYS_FORCE_INLINE bool	operator!= (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const noexcept

SYS_FORCE_INLINE bool	isNan () const

SYS_FORCE_INLINE bool	isFinite () const

SYS_FORCE_INLINE bool	isZero () const noexcept

SYS_FORCE_INLINE bool	equalZero (T tol=T(SYS_FTOLERANCE)) const

SYS_FORCE_INLINE bool	isEqual (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that, S tol=S(SYS_FTOLERANCE)) const

SYS_FORCE_INLINE T	maxComponent () const

SYS_FORCE_INLINE T	minComponent () const

SYS_FORCE_INLINE T	avgComponent () const

SYS_FORCE_INLINE UT_StorageAtLeast32Bit< T, T > ::Type	length2 () const noexcept

SYS_FORCE_INLINE Storage::MathFloat	length () const

SYS_FORCE_INLINE UT_StorageAtLeast32Bit< T, S > ::Type	dot (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const

SYS_FORCE_INLINE UT_StorageAtLeast32Bit< T, S > ::Type	distance2 (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const

SYS_FORCE_INLINE UT_StorageNum < typename UT_StorageBetter< T, S >::Type >::MathFloat	distance (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const

SYS_FORCE_INLINE Storage::MathFloat	normalize ()

SYS_FORCE_INLINE bool	operator< (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const noexcept

SYS_FORCE_INLINE bool	operator<= (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const noexcept

SYS_FORCE_INLINE bool	operator> (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const noexcept

SYS_FORCE_INLINE bool	operator>= (const UT_FixedVector< S, SIZE, S_INSTANTIATED > &that) const noexcept

Static Public Member Functions
static int	entries ()
	Returns the vector size. More...

Static Public Attributes
static const int	tuple_size = 2

Static Public Attributes inherited from UT_FixedVector< T, 2, true >
static const exint	theSize

Friends

std::ostream &	operator<< (std::ostream &os, const UT_Vector2T< T > &v)
	I/O friends. More...

Additional Inherited Members
Public Attributes inherited from UT_FixedVector< T, 2, true >
T	vec [SIZE]

Detailed Description

template<typename T>
class UT_Vector2T< T >

2D Vector class.

Examples:: RAY/RAY_DemoSprite.C.

Definition at line 145 of file UT_Vector2.h.

Member Typedef Documentation

template<typename T>

typedef UT_FixedVector<T,2,true> UT_Vector2T< T >::Base

Definition at line 148 of file UT_Vector2.h.

template<typename T>

typedef T UT_Vector2T< T >::value_type

Definition at line 162 of file UT_Vector2.h.

Constructor & Destructor Documentation

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( )

default

Default constructor. No data is initialized! Use it for extra speed.

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( const UT_Vector2T< T > & that )

default

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( UT_Vector2T< T > && that )

default

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( T v )

inlineexplicit

Definition at line 172 of file UT_Vector2.h.

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T	(	T	vx,
		T	vy
	)

inline

Definition at line 178 of file UT_Vector2.h.

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( const fpreal16 v[tuple_size] )

inlineexplicit

Definition at line 183 of file UT_Vector2.h.

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( const fpreal32 v[tuple_size] )

inlineexplicit

Definition at line 186 of file UT_Vector2.h.

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( const fpreal64 v[tuple_size] )

inlineexplicit

Definition at line 189 of file UT_Vector2.h.

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( const int32 v[tuple_size] )

inlineexplicit

Definition at line 192 of file UT_Vector2.h.

template<typename T>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( const int64 v[tuple_size] )

inlineexplicit

Definition at line 195 of file UT_Vector2.h.

template<typename T>

UT_Vector2T< T >::UT_Vector2T ( const UT_Vector3T< T > & v )

explicit

template<typename T>

UT_Vector2T< T >::UT_Vector2T ( const UT_Vector4T< T > & v )

explicit

template<typename T>

template<typename S >

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( const UT_Vector2T< S > & v )

inline

Our own type of any given value_type.

Definition at line 203 of file UT_Vector2.h.

template<typename T>

template<typename S , bool S_INSTANTIATED>

SYS_FORCE_INLINE UT_Vector2T< T >::UT_Vector2T ( const UT_FixedVector< S, tuple_size, S_INSTANTIATED > & v )

inline

Arbitrary UT_FixedVector of the same size.

Definition at line 209 of file UT_Vector2.h.

Member Function Documentation

template<typename T>

void UT_Vector2T< T >::assign	(	T	xx = `0.0f`,
		T	yy = `0.0f`
	)

inline

Set the values of the vector components.

Definition at line 314 of file UT_Vector2.h.

template<typename T>

void UT_Vector2T< T >::assign ( const T * v )

inline

Set the values of the vector components.

Definition at line 319 of file UT_Vector2.h.

template<typename T>

void UT_Vector2T< T >::dehomogenize ( void )

inline

Express the point in homogeneous coordinates or vice-versa.

Definition at line 324 of file UT_Vector2.h.

template<typename T>

static int UT_Vector2T< T >::entries ( void )

inlinestatic

Returns the vector size.

Definition at line 342 of file UT_Vector2.h.

template<typename T>

int UT_Vector2T< T >::findMaxAbsAxis ( ) const

inline

These allow you to find out what indices to use for different axes.

Definition at line 264 of file UT_Vector2.h.

template<typename T>

int UT_Vector2T< T >::findMinAbsAxis ( ) const

inline

These allow you to find out what indices to use for different axes.

Definition at line 257 of file UT_Vector2.h.

template<typename T>

UT_Vector3T<T> UT_Vector2T< T >::getBary	(	const UT_Vector2T< T > &	t0,
		const UT_Vector2T< T > &	t1,
		const UT_Vector2T< T > &	t2,
		bool *	degen = `NULL`
	)		const

Compute (homogeneous) barycentric co-ordinates of this point relative to the triangle defined by t0, t1 and t2. (The point is projected into the triangle's plane.)

template<typename T>

unsigned UT_Vector2T< T >::hash ( void ) const

inline

Compute a hash.

Definition at line 309 of file UT_Vector2.h.

template<typename T>

void UT_Vector2T< T >::homogenize ( void )

inline

Express the point in homogeneous coordinates or vice-versa.

Definition at line 323 of file UT_Vector2.h.

template<typename T>

bool UT_Vector2T< T >::load ( UT_IStream & is )

Protected I/O methods.

template<typename T>

bool UT_Vector2T< T >::load ( UT_JSONParser & p )

Methods to serialize to a JSON stream. The vector is stored as an array of 2 reals.

template<typename T>

void UT_Vector2T< T >::multiplyComponents ( const UT_Vector2T< T > & v )

inline

Definition at line 234 of file UT_Vector2.h.

template<typename T>

T& UT_Vector2T< T >::operator() ( unsigned i )

inline

Return the components of the vector. The () operator does NOT check for the boundary condition.

Definition at line 296 of file UT_Vector2.h.

template<typename T>

T UT_Vector2T< T >::operator() ( unsigned i ) const

inline

Return the components of the vector. The () operator does NOT check for the boundary condition.

Definition at line 301 of file UT_Vector2.h.

template<typename T>

template<typename S >

UT_Vector2T<T>& UT_Vector2T< T >::operator*= ( const UT_Matrix2T< S > & mat )

inline

Definition at line 252 of file UT_Vector2.h.

template<typename T>

SYS_FORCE_INLINE UT_Vector2T<T> UT_Vector2T< T >::operator- ( ) const

inline

It's unclear why this is needed, given UT_FixedVector::operator-(), but the compiler seems not to accept not having it.

Definition at line 230 of file UT_Vector2.h.

template<typename T>

SYS_FORCE_INLINE UT_Vector2T<T>& UT_Vector2T< T >::operator= ( const UT_Vector2T< T > & that )

default

template<typename T>

SYS_FORCE_INLINE UT_Vector2T<T>& UT_Vector2T< T >::operator= ( UT_Vector2T< T > && that )

default

template<typename T>

template<typename S >

SYS_FORCE_INLINE UT_Vector2T<T>& UT_Vector2T< T >::operator= ( const UT_Vector2T< S > & v )

inline

Definition at line 217 of file UT_Vector2.h.

template<typename T>

UT_Vector2T<T>& UT_Vector2T< T >::operator= ( const UT_Vector3T< T > & v )

Assignment operator that truncates a V3 to a V2.

template<typename T>

UT_Vector2T<T>& UT_Vector2T< T >::operator= ( const UT_Vector4T< T > & v )

Assignment operator that truncates a V4 to a V2.

template<typename T>

UT_Vector2T<T> UT_Vector2T< T >::project ( const UT_Vector2T< T > & u ) const

Calculates the orthogonal projection of a vector u on the *this vector.

template<typename T>

UT_Vector2T<T> UT_Vector2T< T >::projection	(	const UT_Vector2T< T > &	p,
		const UT_Vector2T< T > &	v
	)		const

Vector p (representing a point in 2-space) and vector v define a line. This member returns the projection of "this" onto the line (the point on the line that is closest to this point).

template<typename T>

void UT_Vector2T< T >::save	(	std::ostream &	os,
		int	binary = `0`
	)		const

Protected I/O methods.

template<typename T>

bool UT_Vector2T< T >::save ( UT_JSONWriter & w ) const

Methods to serialize to a JSON stream. The vector is stored as an array of 2 reals.

template<typename T>

bool UT_Vector2T< T >::save ( UT_JSONValue & v ) const

Methods to serialize to a JSON stream. The vector is stored as an array of 2 reals.

template<typename T>

T UT_Vector2T< T >::whichSide	(	const UT_Vector2T< T > &	e1,
		const UT_Vector2T< T > &	e2
	)		const

inline

Given an oriented line from e1 passing through e2, determine on which side of the line the point p lies. Alternatively, determine in which half plane, positive or negative, the point lies. If the segment degenerates to a point, then the point is always on it.

Definition at line 245 of file UT_Vector2.h.

template<typename T>

T& UT_Vector2T< T >::x ( void )

inline

Return the components of the vector. The () operator does NOT check for the boundary condition.

Definition at line 292 of file UT_Vector2.h.

template<typename T>

T UT_Vector2T< T >::x ( void ) const

inline

Return the components of the vector. The () operator does NOT check for the boundary condition.

Definition at line 293 of file UT_Vector2.h.

template<typename T>

T& UT_Vector2T< T >::y ( void )

inline

Return the components of the vector. The () operator does NOT check for the boundary condition.

Definition at line 294 of file UT_Vector2.h.

template<typename T>

T UT_Vector2T< T >::y ( void ) const

inline

Return the components of the vector. The () operator does NOT check for the boundary condition.

Definition at line 295 of file UT_Vector2.h.

Friends And Related Function Documentation

template<typename T>

std::ostream& operator<<	(	std::ostream &	os,
		const UT_Vector2T< T > &	v
	)

friend

I/O friends.

Definition at line 347 of file UT_Vector2.h.

Member Data Documentation

template<typename T>

const int UT_Vector2T< T >::tuple_size = 2

static

Definition at line 163 of file UT_Vector2.h.

The documentation for this class was generated from the following file:

UT/UT_Vector2.h

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Friends

Additional Inherited Members

Detailed Description

template<typename T> class UT_Vector2T< T >

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation

template<typename T>
class UT_Vector2T< T >