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Vector Class Reference
[GLT Math]

3D Vector More...

#include <vector3.h>

Inheritance diagram for Vector:

[legend]List of all members.

Public Methods
	Vector ()
	Default constructor.
	Vector (const Vector &v)
	Copy constructor.
	Vector (const real x, const real y, const real z)
	Constructor.
	Vector (const float *v)
	Constructor.
	Vector (const double *v)
	Constructor.
	Vector (const std::string &str)
	Construct from string.
real &	x ()
	x co-ordinate
const real &	x () const
	x co-ordinate
real &	y ()
	y co-ordinate
const real &	y () const
	y co-ordinate
real &	z ()
	z co-ordinate
const real &	z () const
	z co-ordinate
real &	operator[] (const int i)
	i'th co-ordinate
const real &	operator[] (const int i) const
	i'th co-ordinate
	operator real * ()
	Access as array.
bool	operator== (const Vector &v) const
	Equality operator.
bool	operator!= (const Vector &v) const
	Inequality operator.
bool	operator== (const real &a) const
	Equality operator: x==a && y==a && z==a.
bool	operator< (const Vector &c) const
	less-than comparison
bool	operator> (const Vector &c) const
	greater-than comparison
Vector &	operator= (const Vector &v)
	Assignment operator.
Vector &	operator= (const float *)
	Assignment operator.
Vector &	operator= (const double *)
	Assignment operator.
Vector &	operator+= (const Vector &v)
	Addition.
Vector &	operator-= (const Vector &v)
	Subtraction.
real	operator * (const Vector &v) const
	Vector dot product (aka scalar product).
Vector &	operator *= (const real &x)
	Multiply.
Vector &	operator *= (const Matrix &m)
	Matrix Transformation.
Vector	operator- () const
	Negative.
void	scale (const real &x)
	Scale.
void	scale (const Vector &x)
	Scale.
void	normalize ()
	Normalise the vector: |x| = 1.0.
void	abs ()
	Make x, y and z positive.
int	dominant () const
	Find the dominant component: x, y or z.
real	norm () const
	Squared length of vector.
real	dist (const Vector &x) const
	Squared distance between vectors.
real	length () const
	Length of vector.
bool	project (const Matrix &model, const Matrix &proj, const GltViewport &view)
	Map object co-ordinates to window co-ordinates.
Vector &	vmin (const Vector &v)
	Replace with minimum x, y and z.
Vector &	vmax (const Vector &v)
	Replace with maximum x, y and z.
void	glVertex () const
	Draw OpenGL vertex.
void	glNormal () const
	Draw OpenGL normal.
void	glColor () const
	Draw OpenGL color.
void	glTexCoord () const
	Draw OpenGL texture co-ordinate.
std::ostream &	writePov (std::ostream &os) const
	Write vector in Povray format.
Protected Attributes
real	_vector [3]
	Storage for x, y and z components.
Friends
std::ostream &	operator<< (std::ostream &os, const Vector &x)
	Output vector to stream.
std::istream &	operator>> (std::istream &is, Vector &x)
	Input vector from stream.
Vector	operator * (const Vector &v, const real x)
	Vector scale.
Vector	operator/ (const Vector &v, const real x)
	Vector inverse scale.
Vector	operator * (const real x, const Vector &v)
	Vector scale.
Vector	operator+ (const Vector &v1, const Vector &v2)
	Vector addition.
Vector	operator- (const Vector &v1, const Vector &v2)
	Vector difference.
Vector	xProduct (const Vector &v1, const Vector &v2)
	Vector cross product.
Vector	planeNormal (const Vector &v1, const Vector &v2, const Vector &v3)
	Calculate normal from three points in plane.
Vector	polar (const real lat, const real longitude)
	Location on unit sphere.
void	orthogonalSystem (Vector &a, Vector &b, Vector &c)
	Create orthogonal co-ordinate system, based on a.

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Detailed Description

3D Vector

Todo:

Nice pictures and explanation. Dot product, Cross product, etc.

Definition at line 50 of file vector3.h.

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

• math/vector3.h
• math/vector3.cpp

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