Package gaiasky.scenegraph.camera

Class FovCamera

java.lang.Object

gaiasky.scenegraph.camera.AbstractCamera

gaiasky.scenegraph.camera.FovCamera

All Implemented Interfaces:

IObserver, ICamera

public class FovCamera
extends AbstractCamera
implements IObserver

The field of view cameras.

Field Summary

Fields

Modifier and Type	Field	Description
long	currentTime
Vector3d[]	directions
int	dirindex
Gaia	gaia
java.util.List<Vector3d[]>	interpolatedDirections
long	lastTime
float	MAX_OVERLAP_ANGLE
long	MAX_OVERLAP_TIME	time that has to pass with the current scan rate so that we scan to the edge of the current field of view.

Fields inherited from class gaiasky.scenegraph.camera.AbstractCamera

angleEdgeRad, ar, CAM_FAR, CAM_NEAR, camera, cameras, camLeft, camRight, closest, closestBody, closestStar, combined, distance, fovFactor, frustumd, logger, parent, pos, posinv, prevCombined, prevpos, projection, shift, tmp, view

Constructor Summary

Constructors

Constructor	Description
FovCamera(com.badlogic.gdx.assets.AssetManager assetManager, CameraManager parent)

Method Summary

Modifier and Type	Method	Description
void	computeGaiaScan(ITimeFrameProvider time, CelestialBody cb)
com.badlogic.gdx.graphics.PerspectiveCamera	getCamera()	Returns the perspective camera.
Vector3d	getDirection()
Vector3d[]	getDirections()
Vector3d[]	getDirections(java.util.Date d)
IFocus	getFocus()	Returns the foucs if any
float	getFovFactor()
com.badlogic.gdx.graphics.PerspectiveCamera[]	getFrontCameras()
Frustumd	getFrustum2()
CameraManager.CameraMode	getMode()
int	getNCameras()
double	getSpeed()	Gets the current velocity of the camera in km/h.
double	getTranslateUnits()
Vector3d	getUp()
void	initialize(com.badlogic.gdx.assets.AssetManager assetManager)
boolean	isFocus(IFocus cb)	Checks if this body is the current focus
boolean	isVisible(ITimeFrameProvider time, CelestialBody cb)
void	notify(Events event, java.lang.Object... data)
void	render(int rw, int rh)
void	resize(int width, int height)
void	setCamera(com.badlogic.gdx.graphics.PerspectiveCamera cam)	Sets the active camera
void	setDirection(Vector3d dir)
void	update(double dt, ITimeFrameProvider time)	Updates the camera.
void	updateAngleEdge(int width, int height)	We have fixed field of view angles and thus fixed aspect ratio.
void	updateDirections(ITimeFrameProvider time)	Updates both FOVs' directions applying the right transformation.
void	updateMode(CameraManager.CameraMode mode, boolean centerFocus, boolean postEvent)

Methods inherited from class gaiasky.scenegraph.camera.AbstractCamera

checkClosestBody, checkClosestParticle, computeVisibleFovs, copyParamsFrom, getAngleEdge, getAngleEdge, getCameraStereoLeft, getCameraStereoRight, getClosest, getClosestBody, getClosestParticle, getCurrent, getDistance, getFar, getInversePos, getManager, getNear, getPos, getPreviousPos, getPreviousProjView, getProjView, getSecondClosestBody, getShift, getVelocity, isVisible, setCameraStereoLeft, setCameraStereoRight, setClosest, setFrustumPlanes, setPos, setPreviousPos, setPreviousProjView, setShift, update, updateFrustumPlanes

Methods inherited from class java.lang.Object

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

Field Detail

MAX_OVERLAP_TIME

public long MAX_OVERLAP_TIME

time that has to pass with the current scan rate so that we scan to the edge of the current field of view.

MAX_OVERLAP_ANGLE

public float MAX_OVERLAP_ANGLE

gaia

public Gaia gaia

directions

public Vector3d[] directions

interpolatedDirections

public java.util.List<Vector3d[]> interpolatedDirections

currentTime

public long currentTime

lastTime

public long lastTime

dirindex

public int dirindex

Constructor Detail

FovCamera

public FovCamera(com.badlogic.gdx.assets.AssetManager assetManager,
                 CameraManager parent)

Method Detail

initialize

public void initialize(com.badlogic.gdx.assets.AssetManager assetManager)

update

public void update(double dt,
                   ITimeFrameProvider time)

Description copied from interface: ICamera

Updates the camera.

Specified by:

update in interface ICamera

Parameters:

dt - The time since the las frame in seconds.

time - The frame time provider (simulation time).

updateDirections

public void updateDirections(ITimeFrameProvider time)

Updates both FOVs' directions applying the right transformation.

Parameters:

time -

getDirections

public Vector3d[] getDirections(java.util.Date d)

getFrontCameras

public com.badlogic.gdx.graphics.PerspectiveCamera[] getFrontCameras()

Specified by:

getFrontCameras in interface ICamera

getCamera

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

Description copied from interface: ICamera

Returns the perspective camera.

Specified by:

getCamera in interface ICamera

Returns:

The perspective camera.

getFovFactor

public float getFovFactor()

Specified by:

getFovFactor in interface ICamera

Overrides:

getFovFactor in class AbstractCamera

getDirection

public Vector3d getDirection()

Specified by:

getDirection in interface ICamera

setDirection

public void setDirection(Vector3d dir)

Specified by:

setDirection in interface ICamera

getUp

public Vector3d getUp()

Specified by:

getUp in interface ICamera

getDirections

public final Vector3d[] getDirections()

Specified by:

getDirections in interface ICamera

notify

public void notify(Events event,
                   java.lang.Object... data)

Specified by:

notify in interface IObserver

updateMode

public void updateMode(CameraManager.CameraMode mode,
                       boolean centerFocus,
                       boolean postEvent)

Specified by:

updateMode in interface ICamera

getNCameras

public int getNCameras()

Specified by:

getNCameras in interface ICamera

getMode

public CameraManager.CameraMode getMode()

Specified by:

getMode in interface ICamera

updateAngleEdge

public void updateAngleEdge(int width,
                            int height)

We have fixed field of view angles and thus fixed aspect ratio.

Specified by:

updateAngleEdge in interface ICamera

Overrides:

updateAngleEdge in class AbstractCamera

render

public void render(int rw,
                   int rh)

Specified by:

render in interface ICamera

Overrides:

render in class AbstractCamera

getSpeed

public double getSpeed()

Description copied from interface: ICamera

Gets the current velocity of the camera in km/h.

Specified by:

getSpeed in interface ICamera

Returns:

The velocity in km/h.

isFocus

public boolean isFocus(IFocus cb)

Description copied from interface: ICamera

Checks if this body is the current focus

Specified by:

isFocus in interface ICamera

Parameters:

cb - The body

Returns:

Whether the body is focus

getFocus

public IFocus getFocus()

Description copied from interface: ICamera

Returns the foucs if any

Specified by:

getFocus in interface ICamera

Returns:

The foucs object if it is in focus mode. Null otherwise

computeGaiaScan

public void computeGaiaScan(ITimeFrameProvider time,
                            CelestialBody cb)

Specified by:

computeGaiaScan in interface ICamera

Overrides:

computeGaiaScan in class AbstractCamera

isVisible

public boolean isVisible(ITimeFrameProvider time,
                         CelestialBody cb)

Specified by:

isVisible in interface ICamera

Overrides:

isVisible in class AbstractCamera

setCamera

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

Description copied from interface: ICamera

Sets the active camera

Specified by:

setCamera in interface ICamera

resize

public void resize(int width,
                   int height)

Specified by:

resize in interface ICamera

getFrustum2

public Frustumd getFrustum2()

getTranslateUnits

public double getTranslateUnits()

Specified by:

getTranslateUnits in interface ICamera