phys2d::TransformComponent Struct Reference

#include <types.hpp>

Public Member Functions
void	updateMatrix () const
	recalculates the model matrix
	TransformComponent ()=default
	default concstructor for TransformComponent
	TransformComponent (const glm::vec2 &position, float rotation, float scaling)
	constructor for TransformComponent with all fields
const glm::vec2	getForward () const
	gives the forward vector of an object. Can be used for cannons and bullets, for example
void	move (const glm::vec2 &direction)
	changes the object's position: (x, y) -> (x + direction.x, y + direction.y)
void	rotate (float angle_delta)
	rotates the object
void	scale (float scale_coef)
	scales the object
Setters
void	setPosition (const glm::vec2 &new_position)
	sets the new object's position on the grid
void	setRotation (const float new_angle)
	sets the new object's rotation in radians, clockwise
void	setScale (float new_scale)
	sets the new object's scaling coefficients

Public Attributes
glm::vec2	position {0.0f, 0.0f}
	global position of the object on the grid
float	rotation {0.0f}
	rotation angle of the object, clockwise
float	scaling {1.0f}
	scaling coefficient
bool	dirty {true}
	should we update model_matrix or not
glm::mat3	modelMatrix {1.0f}
	model matrix for MVP-rendering

Constructor & Destructor Documentation

TransformComponent() [1/2]

phys2d::TransformComponent::TransformComponent ( )

default

default concstructor for TransformComponent

TransformComponent() [2/2]

phys2d::TransformComponent::TransformComponent	(	const glm::vec2 &	position,
		float	rotation,
		float	scaling
	)

constructor for TransformComponent with all fields

Member Function Documentation

getForward()

const glm::vec2 phys2d::TransformComponent::getForward

(

)

const

gives the forward vector of an object. Can be used for cannons and bullets, for example

Parameters

None

Return values

forward

direction

move()

void phys2d::TransformComponent::move

(

const glm::vec2 &

direction

)

changes the object's position: (x, y) -> (x + direction.x, y + direction.y)

Note

(0, 0) - center of the screen

x-axis is horizontal

y-axis is vertical

Parameters

direction

vector of movement

Return values

None

rotate()

void phys2d::TransformComponent::rotate

(

float

angle_delta

)

rotates the object

Parameters

angle_delta

value of rotation, given in radians, rotates clockwise

Return values

None

scale()

void phys2d::TransformComponent::scale

(

float

scale_coef

)

scales the object

Parameters

scale_coef

scaling coef to multiply

Return values

None

setPosition()

void phys2d::TransformComponent::setPosition

(

const glm::vec2 &

new_position

)

sets the new object's position on the grid

Parameters

new_position

new position where the object will be located

Return values

None

setRotation()

void phys2d::TransformComponent::setRotation

(

const float

new_angle

)

sets the new object's rotation in radians, clockwise

Parameters

new_angle

new angle of the rotation of the object, in radians

Return values

None

setScale()

void phys2d::TransformComponent::setScale

(

float

new_scale

)

sets the new object's scaling coefficients

Parameters

new_scale

new scale of the object

Return values

None

updateMatrix()

void phys2d::TransformComponent::updateMatrix

(

)

const

recalculates the model matrix

Parameters

None

Return values

None

Member Data Documentation

dirty

bool phys2d::TransformComponent::dirty {true}

mutable

should we update model_matrix or not

modelMatrix

glm::mat3 phys2d::TransformComponent::modelMatrix {1.0f}

mutable

model matrix for MVP-rendering

position

glm::vec2 phys2d::TransformComponent::position {0.0f, 0.0f}

global position of the object on the grid

rotation

float phys2d::TransformComponent::rotation {0.0f}

rotation angle of the object, clockwise

scaling

float phys2d::TransformComponent::scaling {1.0f}

scaling coefficient

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

• /home/runner/work/Cheese-Engine/Cheese-Engine/inc/types.hpp