d2Rot Struct Reference

Represents a rotation in 2D space. More...

#include <d2Math.h>

Public Member Functions
	d2Rot ()
	Default constructor.
	d2Rot (real angle)
	Constructor that initializes the rotation with given angle in radians.
	d2Rot (real s, real c)
	Constructor that initializes the rotation with given sine and cosine values.
void	Set (real angle)
	Set the rotation angle from a given angle in radians.
void	SetIdentity ()
	Set the rotation angle as identity.
real	GetAngle () const
	Get the rotation angle in radians.
d2Vec2	GetXAxis () const
	Get the x-axis of the rotation.
d2Vec2	GetYAxis () const
	Get the y-axis of the rotation.
void	Add (const d2Rot &other)
	Adds the rotation of another d2Rot object to this object.
d2Rot	operator+ (const d2Rot &other) const
d2Rot &	operator+= (const d2Rot &other)
d2Rot &	operator+= (real angle)

Public Attributes
real	s
	The sine of the rotation angle.
real	c
	The cosine of the rotation angle.

Detailed Description

Represents a rotation in 2D space.

Constructor & Destructor Documentation

d2Rot() [1/3]

d2Rot::d2Rot ( )

inline

Default constructor.

Initializes the rotation to identity.

d2Rot() [2/3]

d2Rot::d2Rot ( real angle )

inlineexplicit

Constructor that initializes the rotation with given angle in radians.

Parameters

angle

The angle in radians.

d2Rot() [3/3]

d2Rot::d2Rot ( real s, real c )

inline

Constructor that initializes the rotation with given sine and cosine values.

Parameters

s	The sine of the rotation angle.
c	The cosine of the rotation angle.

Member Function Documentation

Add()

void d2Rot::Add ( const d2Rot & other )

inline

Adds the rotation of another d2Rot object to this object.

Parameters

other

The other d2Rot object whose rotation is to be added to this object.

GetAngle()

real d2Rot::GetAngle ( ) const

inline

Get the rotation angle in radians.

Returns

The rotation angle in radians.

GetXAxis()

d2Vec2 d2Rot::GetXAxis ( ) const

inline

Get the x-axis of the rotation.

Returns

The x-axis of the rotation.

GetYAxis()

d2Vec2 d2Rot::GetYAxis ( ) const

inline

Get the y-axis of the rotation.

Returns

The y-axis of the rotation.

operator+()

d2Rot d2Rot::operator+ ( const d2Rot & other ) const

inline

operator+=() [1/2]

d2Rot & d2Rot::operator+= ( const d2Rot & other )

inline

operator+=() [2/2]

d2Rot & d2Rot::operator+= ( real angle )

inline

Set()

void d2Rot::Set ( real angle )

inline

Set the rotation angle from a given angle in radians.

Parameters

angle

The angle in radians.

SetIdentity()

void d2Rot::SetIdentity ( )

inline

Set the rotation angle as identity.

Member Data Documentation

c

real d2Rot::c

The cosine of the rotation angle.

s

real d2Rot::s

The sine of the rotation angle.

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

• dura2d/d2Math.h