U4DEngine::U4DPoint3n Class Reference

The U4DPoint3n implements a 3D point representation in space. More...

Public Member Functions
	U4DPoint3n ()
	Contructor which creates a default 3D point. That is, its componets are initialized to zero.
	U4DPoint3n (float nx, float ny, float nz)
	Contructor which creates a default 3D point with the given x, y and z component values. More...
	~U4DPoint3n ()
	Destructor for the class.
	U4DPoint3n (const U4DPoint3n &a)
	Copy constructor for the class. More...
U4DPoint3n &	operator= (const U4DPoint3n &a)
	Copy constructor for the class. More...
bool	operator== (const U4DPoint3n &a)
	Method which compares if two 3D points are equal. More...
bool	operator!= (const U4DPoint3n &a)
void	operator+= (const U4DPoint3n &v)
U4DPoint3n	operator+ (const U4DPoint3n &v) const
U4DVector3n	operator- (const U4DPoint3n &p) const
U4DPoint3n	operator* (const float s) const
float	distanceBetweenPoints (U4DPoint3n &v)
float	distanceSquareBetweenPoints (U4DPoint3n &v)
void	convertVectorToPoint (U4DVector3n &v)
float	magnitude ()
float	magnitudeSquare ()
void	zero ()
U4DVector3n	toVector () const
void	show ()

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

Detailed Description

The U4DPoint3n implements a 3D point representation in space.

Constructor & Destructor Documentation

U4DPoint3n() [1/2]

U4DEngine::U4DPoint3n::U4DPoint3n	(	float	nx,
		float	ny,
		float	nz
	)

Contructor which creates a default 3D point with the given x, y and z component values.

Parameters

nx	x-component
ny	y-component
nz	z-component

U4DPoint3n() [2/2]

U4DEngine::U4DPoint3n::U4DPoint3n

(

const U4DPoint3n &

a

)

Copy constructor for the class.

Parameters

a	3D point to copy to

Member Function Documentation

distanceBetweenPoints()

float U4DEngine::U4DPoint3n::distanceBetweenPoints

(

U4DPoint3n &

v

)

Distance between points

Parameters

a	point A
b	point B

Returns

Distance between points

operator+()

U4DPoint3n U4DEngine::U4DPoint3n::operator+

(

const U4DPoint3n &

v

)

const

Add points

Parameters

v

point

Returns

point addition

operator+=()

void U4DEngine::U4DPoint3n::operator+=

(

const U4DPoint3n &

v

)

Add points

Parameters

v

point

operator-()

U4DVector3n U4DEngine::U4DPoint3n::operator-

(

const U4DPoint3n &

p

)

const

Point subraction

Parameters

p

point

Returns

vector

operator=()

U4DPoint3n & U4DEngine::U4DPoint3n::operator=

(

const U4DPoint3n &

a

)

Copy constructor for the class.

Parameters

a	3D point to copy to

Returns

returns a copy of the 3D point

operator==()

bool U4DEngine::U4DPoint3n::operator==

(

const U4DPoint3n &

a

)

Method which compares if two 3D points are equal.

Parameters

a	3D point to compare with

Returns

Returns true if two points are equal