U4DEngine::U4DVector4n Class Reference

The U4DVector4n class represents a 4D vector in space. Note: This class does not perform any linear algebra operations. It simply serves as a representation and is used as a helper in class. More...

Public Member Functions
	U4DVector4n ()
	Constructor which creates a default 4D vector. That is, it creates a 4D vector with x, y, z and w components equal to zero.
	U4DVector4n (float nx, float ny, float nz, float nw)
	Constructor which creates a 4D vector with x, y, z and w components. More...
	~U4DVector4n ()
	Default destructor for a 4D vector.
	U4DVector4n (const U4DVector4n &a)
	Copy constructor. More...
U4DVector4n &	operator= (const U4DVector4n &a)
	Copy constructor. More...
void	operator+= (const U4DVector4n &v)
	Method that calculates the addition of two vectors. More...
U4DVector4n	operator+ (const U4DVector4n &v) const
	Method that calculates the addition of two vectors. More...
void	operator*= (const float s)
	Method which multiplies a 4D vector by a scalar. More...
U4DVector4n	operator* (const float s) const
	Method which multiplies a 4D vector by a scalar. More...
float	dot (const U4DVector4n &v) const
	Method that calculates the dot product between two 4D vectors. More...
void	show ()
	Method which prints the components of the 4D vector.
float	getX ()
	Method to get the x component value of the vector. More...
float	getY ()
	Method to get the y component value of the vector. More...
float	getZ ()
	Method to get the z component value of the vector. More...
float	getW ()
	Method to get the y component value of the vector. More...

Public Attributes
float	x
	x-component
float	y
	y-component
float	z
	z-component
float	w
	w-component

Detailed Description

The U4DVector4n class represents a 4D vector in space. Note: This class does not perform any linear algebra operations. It simply serves as a representation and is used as a helper in class.

Constructor & Destructor Documentation

U4DVector4n() [1/2]

U4DEngine::U4DVector4n::U4DVector4n	(	float	nx,
		float	ny,
		float	nz,
		float	nw
	)

Constructor which creates a 4D vector with x, y, z and w components.

Parameters

nx	x component
ny	y component
nz	z component
nw	w component

Returns

Constructs a vector with the given x,y, z and w components

U4DVector4n() [2/2]

U4DEngine::U4DVector4n::U4DVector4n

(

const U4DVector4n &

a

)

Copy constructor.

Parameters

a	4D vector to copy

Returns

A copy of the 4D vector

Member Function Documentation

dot()

float U4DEngine::U4DVector4n::dot

(

const U4DVector4n &

v

)

const

Method that calculates the dot product between two 4D vectors.

Parameters

v	A 4D vector to compute the dot product with

Returns

Returns the dot product between two 4D vectors

getW()

float U4DEngine::U4DVector4n::getW

(

)

Method to get the y component value of the vector.

Returns

returns the w-component value

getX()

float U4DEngine::U4DVector4n::getX

(

)

Method to get the x component value of the vector.

Returns

returns the x-component value

getY()

float U4DEngine::U4DVector4n::getY

(

)

Method to get the y component value of the vector.

Returns

returns the y-component value

getZ()

float U4DEngine::U4DVector4n::getZ

(

)

Method to get the z component value of the vector.

Returns

returns the z-component value

operator*()

U4DVector4n U4DEngine::U4DVector4n::operator*

(

const float

s

)

const

Method which multiplies a 4D vector by a scalar.

Parameters

s	Scalar value to multiply

Returns

Returns the multiplication product betweent the 4D vector and scalar

operator*=()

void U4DEngine::U4DVector4n::operator*=

(

const float

s

)

Method which multiplies a 4D vector by a scalar.

Parameters

s	Scalar value to multiply

Returns

Returns the multiplication product betweent the 4D vector and scalar

operator+()

U4DVector4n U4DEngine::U4DVector4n::operator+

(

const U4DVector4n &

v

)

const

Method that calculates the addition of two vectors.

Parameters

v	4D vector to add

Returns

Returns a third vector representing the addition of two 4D vectors

operator+=()

void U4DEngine::U4DVector4n::operator+=

(

const U4DVector4n &

v

)

Method that calculates the addition of two vectors.

Parameters

v	Vector to add.

Returns

Returns the addition of two vectors.

operator=()

U4DVector4n & U4DEngine::U4DVector4n::operator=

(

const U4DVector4n &

a

)

Copy constructor.

Parameters

a	4D vector to copy

Returns

A copy of the 4D vector