ork::vec2< type > Class Template Reference
[math]

A 2D vector. More...

#include <vec2.h>

List of all members.

Public Member Functions
	vec2 ()
	Creates a new, uninitialized vector.
	vec2 (type xi, type yi)
	Creates a new vector with the given coordinates.
	vec2 (const type v[2])
	Creates a new vector with the given coordinates.
	vec2 (const vec2 &v)
	Creates a new vector as a copy of the given vector.
type	operator[] (const int i) const
	Returns the coordinate of this vector whose index is given.
type &	operator[] (const int i)
	Returns the coordinate of this vector whose index is given.
void	operator= (const vec2 &v)
	Assigns the given vector to this vector.
bool	operator== (const vec2 &v) const
	Returns true if this vector is equal to the given vector.
bool	operator!= (const vec2 &v) const
	Returns true if this vector is different from the given vector.
vec2	operator+ (const vec2 &v) const
	Returns the sum of this vector and of the given vector.
vec2	operator- (const vec2 &v) const
	Returns the difference of this vector and of the given vector.
vec2	operator* (const vec2 &v) const
	Returns the product of this vector and of the given vector.
vec2	operator* (const type scalar) const
	Returns the product of this vector and of the given scalar.
vec2	operator/ (const vec2 &v) const
	Returns the division of this vector and of the given vector.
vec2	operator/ (const type scalar) const
	Returns the division of this vector and of the given scalar.
vec2	operator- () const
	Returns the opposite of this vector.
vec2 &	operator+= (const vec2 &v)
	Adds the given vector to this vector.
vec2 &	operator-= (const vec2 &v)
	Substracts the given vector from this vector.
vec2 &	operator*= (const type scalar)
	Multiplies this vector by the given scalar.
vec2 &	operator/= (const type scalar)
	Divides this vector by the given scalar.
bool	operator< (const vec2 &v) const
	Compare first element, then second if equal.
type	length () const
	Returns the length of this vector.
type	squaredLength () const
	Returns the squared length of this vector.
type	dotproduct (const vec2 &v) const
	Returns the dot product of this vector and of the given vector.
type	dot (const vec2 &v) const
	Alias for dotproduct, here for compatibility.
vec2	normalize () const
	Returns this vector normalized to unit length.
vec2	normalize (type l) const
	Returns this vector normalized to the given length.
vec2	normalize (type *previousLength) const
	Returns this vector normalized to unit length.
vec2	normalize (type l, type *previousLength)
	Returns this vector normalized to the given length.
template<class t >
vec2< t >	cast ()
	Casts this vector to another base type.
Public Attributes
type	x
	x coordinate.
type	y
	x coordinate.
Static Public Attributes
static const vec2	ZERO
	The null vector (0,0).
static const vec2	UNIT_X
	The unit x vector (1,0).
static const vec2	UNIT_Y
	The unit y vector (0,1).

---

Detailed Description

template<typename type>
class ork::vec2< type >

A 2D vector.

---

Constructor & Destructor Documentation

template<typename type >

ork::vec2< type >::vec2

(

)

[inline]

Creates a new, uninitialized vector.

template<typename type>

ork::vec2< type >::vec2	(	type	xi,
		type	yi
	)			[inline]

Creates a new vector with the given coordinates.

template<typename type>

ork::vec2< type >::vec2

(

const type

v[2]

)

[inline]

Creates a new vector with the given coordinates.

template<typename type>

ork::vec2< type >::vec2

(

const vec2< type > &

v

)

[inline]

Creates a new vector as a copy of the given vector.

---

Member Function Documentation

template<typename type>

template<class t >

vec2<t> ork::vec2< type >::cast

(

)

[inline]

Casts this vector to another base type.

template<typename type >

type ork::vec2< type >::dot

(

const vec2< type > &

v

)

const [inline]

Alias for dotproduct, here for compatibility.

template<typename type >

type ork::vec2< type >::dotproduct

(

const vec2< type > &

v

)

const [inline]

Returns the dot product of this vector and of the given vector.

template<typename type >

type ork::vec2< type >::length

(

)

const [inline]

Returns the length of this vector.

template<typename type>

vec2< type > ork::vec2< type >::normalize	(	type	l,
		type *	previousLength
	)			[inline]

Returns this vector normalized to the given length.

Returns also its initial length.

template<typename type>

vec2< type > ork::vec2< type >::normalize

(

type *

previousLength

)

const [inline]

Returns this vector normalized to unit length.

Returns also its initial length.

template<typename type>

vec2< type > ork::vec2< type >::normalize

(

type

l

)

const [inline]

Returns this vector normalized to the given length.

template<typename type >

vec2< type > ork::vec2< type >::normalize

(

)

const [inline]

Returns this vector normalized to unit length.

template<typename type >

bool ork::vec2< type >::operator!=

(

const vec2< type > &

v

)

const [inline]

Returns true if this vector is different from the given vector.

template<typename type>

vec2< type > ork::vec2< type >::operator*

(

const type

scalar

)

const [inline]

Returns the product of this vector and of the given scalar.

template<typename type >

vec2< type > ork::vec2< type >::operator*

(

const vec2< type > &

v

)

const [inline]

Returns the product of this vector and of the given vector.

The product is done component by component.

template<typename type>

vec2< type > & ork::vec2< type >::operator*=

(

const type

scalar

)

[inline]

Multiplies this vector by the given scalar.

template<typename type >

vec2< type > ork::vec2< type >::operator+

(

const vec2< type > &

v

)

const [inline]

Returns the sum of this vector and of the given vector.

template<typename type >

vec2< type > & ork::vec2< type >::operator+=

(

const vec2< type > &

v

)

[inline]

Adds the given vector to this vector.

template<typename type >

vec2< type > ork::vec2< type >::operator-

(

)

const [inline]

Returns the opposite of this vector.

template<typename type >

vec2< type > ork::vec2< type >::operator-

(

const vec2< type > &

v

)

const [inline]

Returns the difference of this vector and of the given vector.

template<typename type >

vec2< type > & ork::vec2< type >::operator-=

(

const vec2< type > &

v

)

[inline]

Substracts the given vector from this vector.

template<typename type>

vec2< type > ork::vec2< type >::operator/

(

const type

scalar

)

const [inline]

Returns the division of this vector and of the given scalar.

template<typename type >

vec2< type > ork::vec2< type >::operator/

(

const vec2< type > &

v

)

const [inline]

Returns the division of this vector and of the given vector.

The division is done component by component.

template<typename type>

vec2< type > & ork::vec2< type >::operator/=

(

const type

scalar

)

[inline]

Divides this vector by the given scalar.

template<typename type >

bool ork::vec2< type >::operator<

(

const vec2< type > &

v

)

const [inline]

Compare first element, then second if equal.

template<typename type >

void ork::vec2< type >::operator=

(

const vec2< type > &

v

)

[inline]

Assigns the given vector to this vector.

template<typename type >

bool ork::vec2< type >::operator==

(

const vec2< type > &

v

)

const [inline]

Returns true if this vector is equal to the given vector.

template<typename type >

type & ork::vec2< type >::operator[]

(

const int

i

)

[inline]

Returns the coordinate of this vector whose index is given.

template<typename type >

type ork::vec2< type >::operator[]

(

const int

i

)

const [inline]

Returns the coordinate of this vector whose index is given.

template<typename type >

type ork::vec2< type >::squaredLength

(

)

const [inline]

Returns the squared length of this vector.

---

Member Data Documentation

template<typename type>

const vec2< type > ork::vec2< type >::UNIT_X [inline, static]

The unit x vector (1,0).

template<typename type>

const vec2< type > ork::vec2< type >::UNIT_Y [inline, static]

The unit y vector (0,1).

template<typename type>

type ork::vec2< type >::x

x coordinate.

template<typename type>

type ork::vec2< type >::y

x coordinate.

template<typename type>

const vec2< type > ork::vec2< type >::ZERO [inline, static]

The null vector (0,0).