sgVector4 Class Reference

#include <sgVector4.h>

List of all members.

Public Member Functions
	sgVector4 (float x_=0.0f, float y_=0.0f, float z_=0.0f, float w_=0.0f)
	sgVector4 (const sgVector4 &other)
	sgVector4 (const sgQuaternion &other)
bool	operator== (const sgVector4 &other)
bool	operator!= (const sgVector4 &other)
sgVector4 &	operator= (const sgVector4 &other)
sgVector4 &	operator= (const float &other)
sgVector4 &	operator= (const sgQuaternion &other)
sgVector4 &	operator+= (const sgVector4 &other)
sgVector4 &	operator-= (const sgVector4 &other)
sgVector4 &	operator*= (const sgVector4 &other)
sgVector4 &	operator/= (const sgVector4 &other)
sgVector4	operator+ (const sgVector4 &other)
sgVector4	operator- (const sgVector4 &other)
sgVector4	operator* (const sgVector4 &other)
sgVector4	operator/ (const sgVector4 &other)
sgVector4 &	operator+= (const float &other)
sgVector4 &	operator-= (const float &other)
sgVector4 &	operator*= (const float &other)
sgVector4 &	operator/= (const float &other)
sgVector4	operator+ (const float &other)
sgVector4	operator- (const float &other)
sgVector4	operator* (const float &other)
sgVector4	operator/ (const float &other)
sgVector4 &	operator*= (const sgMatrix4x4 &other)
sgVector4	operator* (const sgMatrix4x4 &other)
float	length ()
void	makeIdentity ()
void	normalize ()
float	dot (sgVector4 &other)
sgVector4	cross (sgVector4 &other)
float	dist (sgVector4 &other)
Public Attributes
float	x
float	y
float	z
float	w

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Detailed Description

4D vector class. Stores a vector with four elements and provides functionality for it.

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Constructor & Destructor Documentation

sgVector4::sgVector4	(	float	x_ = 0.0f,
		float	y_ = 0.0f,
		float	z_ = 0.0f,
		float	w_ = 0.0f
	)

Constructor. Initializes a new instance.

Parameters:

	x_	the x value
	y_	the y value
	z_	the z value
	w_	the w value

sgVector4::sgVector4

(

const sgVector4 &

other

)

Constructor. Initializes a new instance.

Parameters:

other

vector to copy the values from

sgVector4::sgVector4

(

const sgQuaternion &

other

)

Constructor. Initializes a new instance from a quaternion.

Parameters:

other

quaternion to to get the axis-angle components from

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Member Function Documentation

sgVector4 sgVector4::cross

(

sgVector4 &

other

)

Cross product. The cross product of the vector with the other one (ignoring the fourth parameter).

Parameters:

other

another vector

Returns:

the resulting vector

float sgVector4::dist

(

sgVector4 &

other

)

Distance. The distance of the vector with the other one.

Parameters:

other

another vector

Returns:

the distance of both vectors

float sgVector4::dot

(

sgVector4 &

other

)

Dot product. The dot product of the vector with the other one.

Parameters:

other

another vector

Returns:

the resulting scalar

float sgVector4::length

(

)

Length. Get the length of the vector.

Returns:

the vectors length

void sgVector4::makeIdentity

(

)

Make identity. Sets the vectors components to 0.

void sgVector4::normalize

(

)

Normalize. Keeps the vectors direction, but sets its length to 1.

bool sgVector4::operator!=

(

const sgVector4 &

other

)

Not equal. Checks if two instances do not equal each other.

sgVector4 sgVector4::operator*

(

const sgMatrix4x4 &

other

)

Multiply. Transforms the vector with the matrix, with the matrix on the right.

sgVector4 sgVector4::operator*

(

const float &

other

)

Multiply. Multiply the scalar to each component of the vector.

sgVector4 sgVector4::operator*

(

const sgVector4 &

other

)

Multiply. Multiply the two vectors component wise.

sgVector4 & sgVector4::operator*=

(

const sgMatrix4x4 &

other

)

Multiply. Transforms the vector with the matrix, with the matrix on the right.

sgVector4 & sgVector4::operator*=

(

const float &

other

)

Multiply. Multiply the scalar to each component of the vector.

sgVector4 & sgVector4::operator*=

(

const sgVector4 &

other

)

Multiply. Multiply the two vectors component wise.

sgVector4 sgVector4::operator+

(

const float &

other

)

Add. Add the scalar to each component of the vector.

sgVector4 sgVector4::operator+

(

const sgVector4 &

other

)

Add. Add the two vectors component wise.

sgVector4 & sgVector4::operator+=

(

const float &

other

)

Add. Add the scalar to each component of the vector.

sgVector4 & sgVector4::operator+=

(

const sgVector4 &

other

)

Add. Add the two vectors component wise.

sgVector4 sgVector4::operator-

(

const float &

other

)

Substract. Substract the scalar from each component of the vector.

sgVector4 sgVector4::operator-

(

const sgVector4 &

other

)

Substract. Substract the two vectors component wise.

sgVector4 & sgVector4::operator-=

(

const float &

other

)

Substract. Substract the scalar from each component of the vector.

sgVector4 & sgVector4::operator-=

(

const sgVector4 &

other

)

Substract. Substract the two vectors component wise.

sgVector4 sgVector4::operator/

(

const float &

other

)

Divide. Divide each component of the vector by the scalar.

sgVector4 sgVector4::operator/

(

const sgVector4 &

other

)

Divide. Divide the two vectors component wise.

sgVector4 & sgVector4::operator/=

(

const float &

other

)

Divide. Divide each component of the vector by the scalar.

sgVector4 & sgVector4::operator/=

(

const sgVector4 &

other

)

Divide. Divide the two vectors component wise.

sgVector4 & sgVector4::operator=

(

const sgQuaternion &

other

)

Copy. Copy the quaternions rotations axis-angle representation to the vector.

sgVector4 & sgVector4::operator=

(

const float &

other

)

Copy. Sets all components to the value of the scalar.

sgVector4 & sgVector4::operator=

(

const sgVector4 &

other

)

Copy. Copy the values of one instance to the other.

bool sgVector4::operator==

(

const sgVector4 &

other

)

Equal. Checks if two instances equal each other.

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Member Data Documentation

float sgVector4::w

W. The vectors w component.

float sgVector4::x

X. The vectors x component.

float sgVector4::y

Y. The vectors y component.

float sgVector4::z

Z. The vectors z component.

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

• iSDGE/Engine/Common/sgVector4.h
• iSDGE/Engine/Common/sgVector4.mm