Package gaia.cu9.ari.gaiaorbit.scenegraph.camera

Class AbstractCamera

java.lang.Object

gaia.cu9.ari.gaiaorbit.scenegraph.camera.AbstractCamera

All Implemented Interfaces:

ICamera

Direct Known Subclasses:

FovCamera, NaturalCamera, RelativisticCamera, SpacecraftCamera

public abstract class AbstractCamera
extends java.lang.Object
implements ICamera

Field Summary

Fields

Modifier and Type	Field	Description
protected float	angleEdgeRad	Angle from the center to the corner of the screen in scene coordinates, in radians
protected float	ar	Aspect ratio
static double	CAM_FAR	Camera far value
static double	CAM_NEAR	Camera near values
com.badlogic.gdx.graphics.PerspectiveCamera	camera	The main camera
protected com.badlogic.gdx.graphics.PerspectiveCamera[]	cameras	Vector with all perspective cameras
protected com.badlogic.gdx.graphics.PerspectiveCamera	camLeft	Stereoscopic mode cameras
protected com.badlogic.gdx.graphics.PerspectiveCamera	camRight	Stereoscopic mode cameras
protected IFocus	closest	Closest entity to camera
protected IStarFocus	closestStar	The closest star to the camera
protected Matrix4d	combined
protected double	distance	Distance of camera to center
float	fovFactor
protected static Logger.Log	logger
protected CameraManager	parent	The parent
Vector3d	pos
Vector3d	posinv
protected Matrix4d	projection
Vector3d	tmp
protected Matrix4d	view

Constructor Summary

Constructors

Constructor	Description
AbstractCamera(CameraManager parent)

Method Summary

Modifier and Type	Method	Description
void	checkClosest(IFocus cb)	Called after updating the body's distance to the cam, it updates the closest body in the camera to figure out the camera near
void	computeGaiaScan(ITimeFrameProvider time, CelestialBody cb)
protected boolean	computeVisibleFovs(CelestialBody cb, FovCamera fcamera)	Returns true if a body with the given position is observed in any of the given directions using the given cone angle
void	copyParamsFrom(AbstractCamera other)
float	getAngleEdge()	Gets the angle of the edge of the screen, diagonally.
float	getAngleEdge(int width, int height, float angle)
com.badlogic.gdx.graphics.PerspectiveCamera	getCameraStereoLeft()
com.badlogic.gdx.graphics.PerspectiveCamera	getCameraStereoRight()
IFocus	getClosest()
IFocus	getClosest2()
IStarFocus	getClosestStar()	Gets the current closest star to this camera
ICamera	getCurrent()
double	getDistance()	Gets the distance from the camera to the centre of our reference frame (Sun)
float	getFovFactor()
Vector3d	getInversePos()
CameraManager	getManager()
Vector3d	getPos()
Vector3d	getVelocity()
boolean	isVisible(ITimeFrameProvider time, double viewAngle, Vector3d pos, double distToCamera)
boolean	isVisible(ITimeFrameProvider time, CelestialBody cb)
void	render(int rw, int rh)
void	setCameraStereoLeft(com.badlogic.gdx.graphics.PerspectiveCamera cam)
void	setCameraStereoRight(com.badlogic.gdx.graphics.PerspectiveCamera cam)
void	setClosestStar(IStarFocus star)	Sets the current closest star to this camera.
void	setPos(Vector3d pos)
void	updateAngleEdge(int width, int height)
void	updateFrustum(Frustumd frustum, com.badlogic.gdx.graphics.PerspectiveCamera cam, Vector3d position, Vector3d direction, Vector3d up)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface gaia.cu9.ari.gaiaorbit.scenegraph.camera.ICamera

getCamera, getDirection, getDirections, getFocus, getFrontCameras, getMode, getNCameras, getSpeed, getTranslateUnits, getUp, isFocus, resize, setCamera, setDirection, update, updateMode

Field Detail

logger

protected static final Logger.Log logger

CAM_FAR

public static final double CAM_FAR

Camera far value

See Also:

Constant Field Values

CAM_NEAR

public static final double CAM_NEAR

Camera near values

See Also:

Constant Field Values

pos

public Vector3d pos

posinv

public Vector3d posinv

tmp

public Vector3d tmp

angleEdgeRad

protected float angleEdgeRad

Angle from the center to the corner of the screen in scene coordinates, in radians

ar

protected float ar

Aspect ratio

distance

protected double distance

Distance of camera to center

parent

protected CameraManager parent

The parent

closest

protected IFocus closest

Closest entity to camera

camera

public com.badlogic.gdx.graphics.PerspectiveCamera camera

The main camera

camLeft

protected com.badlogic.gdx.graphics.PerspectiveCamera camLeft

Stereoscopic mode cameras

camRight

protected com.badlogic.gdx.graphics.PerspectiveCamera camRight

Stereoscopic mode cameras

cameras

protected com.badlogic.gdx.graphics.PerspectiveCamera[] cameras

Vector with all perspective cameras

projection

protected Matrix4d projection

view

protected Matrix4d view

combined

protected Matrix4d combined

fovFactor

public float fovFactor

closestStar

protected IStarFocus closestStar

The closest star to the camera

Constructor Detail

AbstractCamera

public AbstractCamera(CameraManager parent)

Method Detail

updateAngleEdge

public void updateAngleEdge(int width,
                            int height)

Specified by:

updateAngleEdge in interface ICamera

getAngleEdge

public float getAngleEdge(int width,
                          int height,
                          float angle)

getFovFactor

public float getFovFactor()

Specified by:

getFovFactor in interface ICamera

getPos

public Vector3d getPos()

Specified by:

getPos in interface ICamera

setPos

public void setPos(Vector3d pos)

Specified by:

setPos in interface ICamera

getInversePos

public Vector3d getInversePos()

Specified by:

getInversePos in interface ICamera

getAngleEdge

public float getAngleEdge()

Description copied from interface: ICamera

Gets the angle of the edge of the screen, diagonally. It assumes the vertical angle is the field of view and corrects the horizontal using the aspect ratio. It depends on the viewport size and the field of view itself.

Specified by:

getAngleEdge in interface ICamera

Returns:

The angle in radians.

getManager

public CameraManager getManager()

Specified by:

getManager in interface ICamera

render

public void render(int rw,
                   int rh)

Specified by:

render in interface ICamera

getCurrent

public ICamera getCurrent()

Specified by:

getCurrent in interface ICamera

computeGaiaScan

public void computeGaiaScan(ITimeFrameProvider time,
                            CelestialBody cb)

Specified by:

computeGaiaScan in interface ICamera

isVisible

public boolean isVisible(ITimeFrameProvider time,
                         CelestialBody cb)

Specified by:

isVisible in interface ICamera

isVisible

public boolean isVisible(ITimeFrameProvider time,
                         double viewAngle,
                         Vector3d pos,
                         double distToCamera)

Specified by:

isVisible in interface ICamera

computeVisibleFovs

protected boolean computeVisibleFovs(CelestialBody cb,
                                     FovCamera fcamera)

Returns true if a body with the given position is observed in any of the given directions using the given cone angle

Parameters:

cb - The body.

fcamera - The FovCamera.

Returns:

True if the body is observed. False otherwise.

getDistance

public double getDistance()

Description copied from interface: ICamera

Gets the distance from the camera to the centre of our reference frame (Sun)

Specified by:

getDistance in interface ICamera

Returns:

The distance

checkClosest

public void checkClosest(IFocus cb)

Description copied from interface: ICamera

Called after updating the body's distance to the cam, it updates the closest body in the camera to figure out the camera near

Specified by:

checkClosest in interface ICamera

Parameters:

cb - The body to check

getClosest

public IFocus getClosest()

Specified by:

getClosest in interface ICamera

getClosest2

public IFocus getClosest2()

Specified by:

getClosest2 in interface ICamera

copyParamsFrom

public void copyParamsFrom(AbstractCamera other)

getCameraStereoLeft

public com.badlogic.gdx.graphics.PerspectiveCamera getCameraStereoLeft()

Specified by:

getCameraStereoLeft in interface ICamera

getCameraStereoRight

public com.badlogic.gdx.graphics.PerspectiveCamera getCameraStereoRight()

Specified by:

getCameraStereoRight in interface ICamera

setCameraStereoLeft

public void setCameraStereoLeft(com.badlogic.gdx.graphics.PerspectiveCamera cam)

Specified by:

setCameraStereoLeft in interface ICamera

setCameraStereoRight

public void setCameraStereoRight(com.badlogic.gdx.graphics.PerspectiveCamera cam)

Specified by:

setCameraStereoRight in interface ICamera

updateFrustum

public void updateFrustum(Frustumd frustum,
                          com.badlogic.gdx.graphics.PerspectiveCamera cam,
                          Vector3d position,
                          Vector3d direction,
                          Vector3d up)

getClosestStar

public IStarFocus getClosestStar()

Description copied from interface: ICamera

Gets the current closest star to this camera

Specified by:

getClosestStar in interface ICamera

Returns:

The closest star

setClosestStar

public void setClosestStar(IStarFocus star)

Description copied from interface: ICamera

Sets the current closest star to this camera. This will be only set if the given star is closer than the current.

Specified by:

setClosestStar in interface ICamera

Parameters:

star - The candidate star

getVelocity

public Vector3d getVelocity()

Specified by:

getVelocity in interface ICamera