Vector4 Class Reference

List of all members.

Public Member Functions
	__construct ($x=0.0, $y=0.0, $z=0.0, $w=0.0)
	set ($x, $y, $z, $w)
	setArray ($a)
	get ($index)
	getArray ()
	x ()
	y ()
	z ()
	w ()
	length ()
	add (Vector4 $v)
	sub (Vector4 $v)
	mult (Vector4 $v)
	cross (Vector4 $v)
	multScalar ($s)
	normalize ()
	__toString ()
Protected Attributes
	$x
	$y
	$z
	$w

---

Constructor & Destructor Documentation

Vector4::__construct	(	$	x = 0.0,
		$	y = 0.0,
		$	z = 0.0,
		$	w = 0.0
	)

Default constructor setting the initial values of the vector.

Parameters:

	$x	First coordinate.
	$y	Second coordinate.
	$z	Third coordinate.
	$w	Fourth (homogeneous) coordinate.

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Member Function Documentation

Vector4::set	(	$	x,
		$	y,
		$	z,
		$	w
	)

Set the values of this vector.

Parameters:

	$x	First coordinate.
	$y	Second coordinate.
	$z	Third coordinate.
	$w	Fourth (homogeneous) coordinate.

Vector4::setArray

(

$

a

)

Set the values of this vector given by an array.

Parameters:

$a

Array with three or four elements.

Vector4::get

(

$

index

)

Return a coordinate of the vector.

Parameters:

$index

Index of the coordinate in interval [0; 3].

Returns:

Requested value of the vector.

Vector4::getArray

(

)

Return all coordinates of the vector.

Returns:

Coordinates as array.

Vector4::x

(

)

Return first coordinate of the vector.

Returns:

Requested value of the vector.

Vector4::y

(

)

Return second coordinate of the vector.

Returns:

Requested value of the vector.

Vector4::z

(

)

Return third coordinate of the vector.

Returns:

Requested value of the vector.

Vector4::w

(

)

Return fourth coordinate of the vector.

Returns:

Requested value of the vector.

Vector4::length

(

)

Length of this vector.

Returns:

Length of this vector.

Vector4::add

(

Vector4 $

v

)

Sum of this and a second vector.

Parameters:

$v

Second vector.

Returns:

Resulting vector.

Vector4::sub

(

Vector4 $

v

)

Difference of this and a second vector.

Parameters:

$v

Second vector.

Returns:

Resulting vector.

Vector4::mult

(

Vector4 $

v

)

Scalar product of this and a second vector.

Parameters:

$v

Second vector.

Returns:

Result as floating point number.

Vector4::cross

(

Vector4 $

v

)

Cross product of this and a second vector. It uses only the first three coordinates.

Parameters:

$v

Second vector.

Returns:

Resulting vector.

Vector4::multScalar

(

$

s

)

Product of this and a scalar.

Parameters:

$s

Scalar.

Returns:

Resulting vector.

Vector4::normalize

(

)

Divide this vector by it's length to make it unit length.

Vector4::__toString

(

)

Return the vector as human-readable string representation.

Returns:

Vector representation as string.

---

Member Data Documentation

Vector4::$x [protected]

First coordinate of the vector.

Vector4::$y [protected]

Second coordinate of the vector.

Vector4::$z [protected]

Third coordinate of the vector.

Vector4::$w [protected]

Fourth coordinate of the vector.

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

• src/MathVector.php