Defines the 2D transformation of an entity. More...

#include <Transform.hpp>

Inheritance diagram for galaxy::graphics::Transform:

Collaboration diagram for galaxy::graphics::Transform:

Public Member Functions
	Transform ()
	Constructor.

	Transform (Transform &&)
	Move constructor.

Transform &	operator= (Transform &&)
	Move assignment operator.

	Transform (const Transform &)
	Copy constructor.

Transform &	operator= (const Transform &)
	Copy assignment operator.

virtual	~Transform ()
	Destructor.

virtual void	translate (const float x, const float y)
	Translate (move) position.

virtual void	rotate (const float degrees)
	Rotate entity.

void	scale (const float scale)
	Set entity scale.

void	set_scale_horizontal (const float x)
	Set entity scale.

void	set_scale_vertical (const float y)
	Set entity scale.

void	set_pos (const float x, const float y)
	Sets position without moving the entity.

void	set_rotation (const float degrees)
	Set the entity rotation.

void	set_origin (const float x, const float y)
	Set the origin point.

void	reset ()
	Reset transform.

const glm::vec2 &	get_pos () const
	Get stored position.

float	get_rotation () const
	Get stored rotation.

const glm::vec2 &	get_scale () const
	Get stored scale.

const glm::vec2 &	get_origin () const
	Get origin point.

glm::mat4 &	get_transform ()
	Retrieve internal transformation matrix.

Protected Attributes
glm::vec2	m_pos
	Cached for easy retrieval. Pos.

float	m_rotation
	Cached for easy retrieval. Rotation.

glm::vec2	m_scale
	Cached for easy retrieval. Scale.

glm::vec2	m_origin
	Transform origin point.

bool	m_dirty
	Flag to see if transform needs to be recalculated.

glm::mat4	m_transform
	Combined transform.

Detailed Description

Defines the 2D transformation of an entity.

Definition at line 20 of file Transform.hpp.

Constructor & Destructor Documentation

◆ Transform() [1/3]

galaxy::graphics::Transform::Transform ( )

Constructor.

Definition at line 22 of file Transform.cpp.

◆ Transform() [2/3]

galaxy::graphics::Transform::Transform ( Transform && t )

Move constructor.

Definition at line 32 of file Transform.cpp.

◆ Transform() [3/3]

galaxy::graphics::Transform::Transform ( const Transform & t )

Copy constructor.

Definition at line 57 of file Transform.cpp.

◆ ~Transform()

galaxy::graphics::Transform::~Transform ( )

virtual

Destructor.

Definition at line 82 of file Transform.cpp.

Member Function Documentation

◆ operator=() [1/2]

Transform & galaxy::graphics::Transform::operator= ( Transform && t )

Move assignment operator.

Definition at line 42 of file Transform.cpp.

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◆ operator=() [2/2]

Transform & galaxy::graphics::Transform::operator= ( const Transform & t )

Copy assignment operator.

Definition at line 67 of file Transform.cpp.

◆ translate()

void galaxy::graphics::Transform::translate	(	const float	x,
		const float	y )

virtual

Translate (move) position.

Parameters

x	How far to translate on x axis.
y	How far to translate on y axis.

Reimplemented in galaxy::graphics::Camera.

Definition at line 86 of file Transform.cpp.

◆ rotate()

void galaxy::graphics::Transform::rotate ( const float degrees )

virtual

Rotate entity.

Parameters

degrees Additive. Min -360, max 360.

Reimplemented in galaxy::graphics::Camera.

Definition at line 94 of file Transform.cpp.

◆ scale()

void galaxy::graphics::Transform::scale ( const float scale )

Set entity scale.

Parameters

scale Value to scale by.

Definition at line 102 of file Transform.cpp.

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◆ set_scale_horizontal()

void galaxy::graphics::Transform::set_scale_horizontal ( const float x )

Set entity scale.

Parameters

x	Value to scale horizontal axis by.

Definition at line 110 of file Transform.cpp.

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◆ set_scale_vertical()

void galaxy::graphics::Transform::set_scale_vertical ( const float y )

Set entity scale.

Parameters

y	Value to scale vertical axis by.

Definition at line 116 of file Transform.cpp.

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◆ set_pos()

void galaxy::graphics::Transform::set_pos	(	const float	x,
		const float	y )

Sets position without moving the entity.

Parameters

x	X position to set.
y	Y position to set.

Definition at line 122 of file Transform.cpp.

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◆ set_rotation()

void galaxy::graphics::Transform::set_rotation ( const float degrees )

Set the entity rotation.

Parameters

degrees Min -360, max 360.

Definition at line 130 of file Transform.cpp.

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◆ set_origin()

void galaxy::graphics::Transform::set_origin	(	const float	x,
		const float	y )

Set the origin point.

Only affects rotation and scale.

Parameters

x	X position to set origin to.
y	Y position to set origin to.

Definition at line 136 of file Transform.cpp.

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◆ reset()

void galaxy::graphics::Transform::reset ( )

Reset transform.

Definition at line 144 of file Transform.cpp.

◆ get_pos()

const glm::vec2 & galaxy::graphics::Transform::get_pos ( ) const

nodiscard

Get stored position.

Returns: Const glm::vec2 reference.

Definition at line 153 of file Transform.cpp.

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◆ get_rotation()

float galaxy::graphics::Transform::get_rotation ( ) const

nodiscard

Get stored rotation.

Returns: Float.

Definition at line 158 of file Transform.cpp.

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◆ get_scale()

const glm::vec2 & galaxy::graphics::Transform::get_scale ( ) const

nodiscard

Get stored scale.

Returns: Const glm::vec2 reference.

Definition at line 163 of file Transform.cpp.

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◆ get_origin()

const glm::vec2 & galaxy::graphics::Transform::get_origin ( ) const

nodiscard

Get origin point.

Returns: Const glm::vec2 reference.

Definition at line 168 of file Transform.cpp.

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◆ get_transform()

glm::mat4 & galaxy::graphics::Transform::get_transform ( )

nodiscard

Retrieve internal transformation matrix.

Returns: glm::mat4 reference.

Definition at line 173 of file Transform.cpp.

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Member Data Documentation

◆ m_pos

glm::vec2 galaxy::graphics::Transform::m_pos

protected

Cached for easy retrieval. Pos.

Definition at line 164 of file Transform.hpp.

◆ m_rotation

float galaxy::graphics::Transform::m_rotation

protected

Cached for easy retrieval. Rotation.

Definition at line 170 of file Transform.hpp.

◆ m_scale

glm::vec2 galaxy::graphics::Transform::m_scale

protected

Cached for easy retrieval. Scale.

Definition at line 176 of file Transform.hpp.

◆ m_origin

glm::vec2 galaxy::graphics::Transform::m_origin

protected

Transform origin point.

Definition at line 181 of file Transform.hpp.

◆ m_dirty

bool galaxy::graphics::Transform::m_dirty

protected

Flag to see if transform needs to be recalculated.

Definition at line 186 of file Transform.hpp.

◆ m_transform

glm::mat4 galaxy::graphics::Transform::m_transform

protected

Combined transform.

Definition at line 191 of file Transform.hpp.

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

galaxy/src/galaxy/graphics/Transform.hpp
galaxy/src/galaxy/graphics/Transform.cpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Transform() [1/3]

◆ Transform() [2/3]

◆ Transform() [3/3]

◆ ~Transform()

Member Function Documentation

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ translate()

◆ rotate()

◆ scale()

◆ set_scale_horizontal()

◆ set_scale_vertical()

◆ set_pos()

◆ set_rotation()

◆ set_origin()

◆ reset()

◆ get_pos()

◆ get_rotation()

◆ get_scale()

◆ get_origin()

◆ get_transform()

Member Data Documentation

◆ m_pos

◆ m_rotation

◆ m_scale

◆ m_origin

◆ m_dirty

◆ m_transform