Vec< N, T > Class Template Reference

Base class for vector types. It provides generic functionality for N dimensional vectors. More...

#include <easy3d/core/vec.h>

Public Types
typedef Vec< N, T >	thisclass
typedef T	FT

Public Member Functions
	Vec ()
	Default constructor. All elements will be initialized to zero.
	Vec (const T &s)
	Constructs a vector from a scalar number s. All elements will be initialized to this value.
template<class T2 >
	Vec (const Vec< N, T2 > &rhs)
	Constructs a vector from another vector of the same dimension/size.
template<class T2 , size_t M>
	Vec (const Vec< M, T2 > &rhs)
	Constructs a vector from another vector of the same dimension/size.
template<class T2 >
	Vec (const T2 *rhs)
	Constructs a vector from an array of values.
thisclass &	operator= (const thisclass &rhs)
	Assignment operator. It assigns the value of this vector from another vector.
size_t	dimension () const
	Returns the dimension/size of this vector.
size_t	size () const
	Returns the dimension/size of this vector.
T *	data ()
	Returns the memory address of the vector.
const T *	data () const
	Returns the constant memory address of the vector.
	operator const T * () const
	Conversion operator returning the constant memory address of the data. Very convenient to pass this vector as a data pointer to functions, e.g.,. More...
	operator T* ()
	Conversion operator returning the memory address of the data. Very convenient to pass this vector as a data pointer to functions, e.g.,. More...
T	length2 () const
	Returns the squared length of this vector.
T	length () const
	Returns the length of this vector.
T	norm () const
	Returns the norm (i.e., length/magnitude0 of this vector.
T	distance2 (const thisclass &rhs) const
	Returns the squared Euclidean distance to another vector.
thisclass &	normalize ()
	Normalizes this vector.
thisclass &	operator+= (const thisclass &v)
	Compound addition with another vector.
thisclass &	operator-= (const thisclass &v)
	Compound subtraction with another vector.
thisclass &	operator*= (const thisclass &v)
	Compound component-wise multiplication with another vector.
thisclass &	operator/= (const thisclass &v)
	Compound component-wise division with another vector.
template<class T2 >
thisclass &	operator*= (T2 s)
	Compound vector-scalar multiplication.
template<class T2 >
thisclass &	operator/= (T2 s)
	Compound vector-scalar division.
thisclass	operator+ (const thisclass &v) const
	Addition with another vector.
thisclass	operator- (const thisclass &v) const
	Subtraction with another vector.
template<class T2 >
thisclass	operator* (T2 s) const
	Vector-scalar multiplication.
template<class T2 >
thisclass	operator/ (T2 s) const
	Vector-scalar division.
thisclass	operator- () const
	Negates this vector (i.e., adds a minus sign).

Detailed Description

template<size_t N, class T>
class easy3d::Vec< N, T >

Base class for vector types. It provides generic functionality for N dimensional vectors.

Template Parameters

N	The dimension/size of a vector.
T	The scalar type of vector elements.

Examples

Tutorial_207_RealCamera, Tutorial_305_Texture, Tutorial_403_PointSelection, and Tutorial_602_ConvexPartition.

Member Function Documentation

operator const T *()

operator const T * ( ) const

inline

Conversion operator returning the constant memory address of the data. Very convenient to pass this vector as a data pointer to functions, e.g.,.

glVertex3fv(pos); 

.

operator T*()

operator T* ( )

inline

Conversion operator returning the memory address of the data. Very convenient to pass this vector as a data pointer to functions, e.g.,.

glVertex3fv(pos); 

.

---

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

• /Users/lnan/Documents/Projects/Easy3D/easy3d/core/vec.h