astronomy_system Class Reference

Calculates apparent properties of celestial bodies as seen by an observer. More...

#include <astronomy-system.hpp>

Inheritance diagram for astronomy_system:

Public Member Functions
	astronomy_system (entity::registry &registry)
	~astronomy_system ()
virtual void	update (float t, float dt)
	Adds the timestep dt, scaled by set time scale, to the current time, then calculates apparent properties of celestial bodies as seen by an observer. More...
void	set_time (double t)
	Sets the current time. More...
void	set_time_scale (double scale)
	Sets the factor by which the timestep dt will be scaled before being added to the current time. More...
void	set_observer (entity::id eid)
	Sets the observer entity. More...
void	set_transmittance_samples (std::size_t samples)
	Sets the number of samples to take when integrating atmospheric transmittance. More...
void	set_sun_light (scene::directional_light *light)
void	set_moon_light (scene::directional_light *light)
void	set_starlight_illuminance (const math::dvec3 &illuminance)
void	set_sky_pass (::render::sky_pass *pass)
double	get_time () const noexcept
Public Member Functions inherited from updatable_system
	updatable_system (entity::registry &registry)
	Creates an updatable system. More...

Additional Inherited Members
Protected Attributes inherited from updatable_system
entity::registry &	registry
	Registry on which the system operate. More...

Detailed Description

Calculates apparent properties of celestial bodies as seen by an observer.

Definition at line 39 of file astronomy-system.hpp.

Constructor & Destructor Documentation

astronomy_system()

astronomy_system::astronomy_system ( entity::registry &  registry )

explicit

Definition at line 40 of file astronomy-system.cpp.

~astronomy_system()

astronomy_system::~astronomy_system

(

)

Definition at line 74 of file astronomy-system.cpp.

Member Function Documentation

get_time()

double astronomy_system::get_time ( ) const

inlinenoexcept

Definition at line 87 of file astronomy-system.hpp.

set_moon_light()

void astronomy_system::set_moon_light

(

scene::directional_light *

light

)

Definition at line 360 of file astronomy-system.cpp.

set_observer()

void astronomy_system::set_observer

(

entity::id

eid

)

Sets the observer entity.

Parameters

eid	Entity ID of the observer.

Definition at line 337 of file astronomy-system.cpp.

set_sky_pass()

void astronomy_system::set_sky_pass

(

::render::sky_pass *

pass

)

Definition at line 370 of file astronomy-system.cpp.

set_starlight_illuminance()

void astronomy_system::set_starlight_illuminance

(

const math::dvec3 &

illuminance

)

Definition at line 365 of file astronomy-system.cpp.

set_sun_light()

void astronomy_system::set_sun_light

(

scene::directional_light *

light

)

Definition at line 355 of file astronomy-system.cpp.

set_time()

void astronomy_system::set_time

(

double

t

)

Sets the current time.

Parameters

t	Time since epoch, in days.

Definition at line 326 of file astronomy-system.cpp.

set_time_scale()

void astronomy_system::set_time_scale

(

double

scale

)

Sets the factor by which the timestep dt will be scaled before being added to the current time.

Parameters

scale

Factor by which to scale the timestep.

Definition at line 332 of file astronomy-system.cpp.

set_transmittance_samples()

void astronomy_system::set_transmittance_samples

(

std::size_t

samples

)

Sets the number of samples to take when integrating atmospheric transmittance.

Parameters

samples

Number of integration samples.

Definition at line 350 of file astronomy-system.cpp.

update()

void astronomy_system::update ( float  t, float  dt  )

virtual

Adds the timestep dt, scaled by set time scale, to the current time, then calculates apparent properties of celestial bodies as seen by an observer.

Parameters

t	Time, in seconds.
dt	Delta time, in seconds.

Implements updatable_system.

Definition at line 90 of file astronomy-system.cpp.

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

• astronomy-system.hpp
• astronomy-system.cpp