Package gaiasky.scenegraph.camera

Class CameraManager

java.lang.Object

gaiasky.scenegraph.camera.CameraManager

All Implemented Interfaces:

IObserver, ICamera

public class CameraManager
extends java.lang.Object
implements ICamera, IObserver

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CameraManager.CameraMode	Convenience enum to describe the camera mode

Field Summary

Fields

Modifier and Type	Field	Description
ICamera	current
FovCamera	fovCamera
CameraManager.CameraMode	mode
NaturalCamera	naturalCamera
RelativisticCamera	relativisticCamera
SpacecraftCamera	spacecraftCamera
protected double	speed	Current velocity in km/h
protected Vector3d	velocity	Velocity vector
protected Vector3d	velocitynor	Velocity vector

Constructor Summary

Constructors

Constructor	Description
CameraManager(com.badlogic.gdx.assets.AssetManager manager, CameraManager.CameraMode mode, boolean vr)

Method Summary

Modifier and Type	Method	Description
void	checkClosestBody(IFocus focus)	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	checkClosestParticle(IFocus particle)	Sets the current closest particle to this camera.
float	getAngleEdge()	Gets the angle of the edge of the screen, diagonally.
com.badlogic.gdx.graphics.PerspectiveCamera	getCamera()	Returns the perspective camera.
com.badlogic.gdx.graphics.PerspectiveCamera	getCameraStereoLeft()
com.badlogic.gdx.graphics.PerspectiveCamera	getCameraStereoRight()
IFocus	getClosest()	Returns the current closest object
IFocus	getClosestBody()
IFocus	getClosestParticle()	Gets the current closest particle to this camera
ICamera	getCurrent()
Vector3d	getDirection()
Vector3d[]	getDirections()
double	getDistance()	Gets the distance from the camera to the centre of our reference frame (Sun)
double	getFar()
IFocus	getFocus()	Returns the foucs if any
float	getFovFactor()
com.badlogic.gdx.graphics.PerspectiveCamera[]	getFrontCameras()
static com.badlogic.gdx.math.Matrix4	getFrustumCornersEye(com.badlogic.gdx.graphics.PerspectiveCamera cam, com.badlogic.gdx.math.Matrix4 frustumCorners)	Stores the normalized rays representing the camera frustum in eye space in a 4x4 matrix.
com.badlogic.gdx.math.Matrix4	getFrustumCornersWorld(com.badlogic.gdx.math.Matrix4 frustumCorners)	Stores the normalized rays representing the camera frustum in world space in a 4x4 matrix.
Vector3d	getInversePos()
CameraManager	getManager()
CameraManager.CameraMode	getMode()
int	getNCameras()
double	getNear()
Vector3d	getPos()
Vector3d	getPreviousPos()
com.badlogic.gdx.math.Matrix4	getPreviousProjView()
com.badlogic.gdx.math.Matrix4	getProjView()
IFocus	getSecondClosestBody()
Vector3d	getShift()
double	getSpeed()	Gets the current velocity of the camera in km/h.
Vector3d	getUp()
Vector3d	getVelocity()
boolean	isFocus(IFocus cb)	Checks if this body is the current focus
boolean	isNatural()
boolean	isVisible(ITimeFrameProvider time, double viewAngle, Vector3d pos, double distToCamera)
boolean	isVisible(ITimeFrameProvider time, CelestialBody cb)
boolean	isVisible(ITimeFrameProvider time, Vector3d pos)
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	setCameraStereoLeft(com.badlogic.gdx.graphics.PerspectiveCamera cam)
void	setCameraStereoRight(com.badlogic.gdx.graphics.PerspectiveCamera cam)
void	setClosest(IFocus focus)	Sets the closest of all
void	setDirection(Vector3d dir)
void	setPos(Vector3d pos)
void	setPreviousPos(Vector3d prevpos)
void	setPreviousProjView(com.badlogic.gdx.math.Matrix4 mat)
void	setShift(Vector3d shift)
double	speedScaling()
void	update(double dt, ITimeFrameProvider time)	Update method.
void	updateAngleEdge(int width, int height)
void	updateCurrentCamera(CameraManager.CameraMode previousMode)
void	updateFrustumPlanes()
void	updateMode(CameraManager.CameraMode mode, boolean centerFocus, boolean postEvent)	Sets the new camera mode and updates the frustum

Methods inherited from class java.lang.Object

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

Field Detail

mode

public CameraManager.CameraMode mode

current

public ICamera current

naturalCamera

public NaturalCamera naturalCamera

fovCamera

public FovCamera fovCamera

spacecraftCamera

public SpacecraftCamera spacecraftCamera

relativisticCamera

public RelativisticCamera relativisticCamera

speed

protected double speed

Current velocity in km/h

velocity

protected Vector3d velocity

Velocity vector

velocitynor

protected Vector3d velocitynor

Velocity vector

Constructor Detail

CameraManager

public CameraManager(com.badlogic.gdx.assets.AssetManager manager,
                     CameraManager.CameraMode mode,
                     boolean vr)

Method Detail

updateCurrentCamera

public void updateCurrentCamera(CameraManager.CameraMode previousMode)

isNatural

public boolean isNatural()

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

getPos

public Vector3d getPos()

Specified by:

getPos in interface ICamera

setPos

public void setPos(Vector3d pos)

Specified by:

setPos in interface ICamera

getPreviousPos

public Vector3d getPreviousPos()

Specified by:

getPreviousPos in interface ICamera

setPreviousPos

public void setPreviousPos(Vector3d prevpos)

Specified by:

setPreviousPos in interface ICamera

getInversePos

public Vector3d getInversePos()

Specified by:

getInversePos in interface ICamera

getVelocity

public Vector3d getVelocity()

Specified by:

getVelocity in interface ICamera

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

update

public void update(double dt,
                   ITimeFrameProvider time)

Update method.

Specified by:

update in interface ICamera

Parameters:

dt - Delta time in seconds.

time - The time frame provider.

updateMode

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

Sets the new camera mode and updates the frustum

Specified by:

updateMode in interface ICamera

Parameters:

mode -

notify

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

Specified by:

notify in interface IObserver

getDirections

public Vector3d[] getDirections()

Specified by:

getDirections in interface ICamera

getNCameras

public int getNCameras()

Specified by:

getNCameras in interface ICamera

getFrontCameras

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

Specified by:

getFrontCameras in interface ICamera

getMode

public CameraManager.CameraMode getMode()

Specified by:

getMode in interface ICamera

updateAngleEdge

public void updateAngleEdge(int width,
                            int height)

Specified by:

updateAngleEdge 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

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

checkClosestBody

public void checkClosestBody(IFocus focus)

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:

checkClosestBody in interface ICamera

Parameters:

focus - The body to check

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

isVisible

public boolean isVisible(ITimeFrameProvider time,
                         CelestialBody cb)

Specified by:

isVisible in interface ICamera

isVisible

public boolean isVisible(ITimeFrameProvider time,
                         Vector3d pos)

Specified by:

isVisible in interface ICamera

isVisible

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

Specified by:

isVisible in interface ICamera

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

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

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

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

getClosestBody

public IFocus getClosestBody()

Specified by:

getClosestBody in interface ICamera

getSecondClosestBody

public IFocus getSecondClosestBody()

Specified by:

getSecondClosestBody in interface ICamera

resize

public void resize(int width,
                   int height)

Specified by:

resize in interface ICamera

setShift

public void setShift(Vector3d shift)

Specified by:

setShift in interface ICamera

getShift

public Vector3d getShift()

Specified by:

getShift in interface ICamera

getProjView

public com.badlogic.gdx.math.Matrix4 getProjView()

Specified by:

getProjView in interface ICamera

getPreviousProjView

public com.badlogic.gdx.math.Matrix4 getPreviousProjView()

Specified by:

getPreviousProjView in interface ICamera

setPreviousProjView

public void setPreviousProjView(com.badlogic.gdx.math.Matrix4 mat)

Specified by:

setPreviousProjView in interface ICamera

getClosestParticle

public IFocus getClosestParticle()

Description copied from interface: ICamera

Gets the current closest particle to this camera

Specified by:

getClosestParticle in interface ICamera

Returns:

The closest particle

checkClosestParticle

public void checkClosestParticle(IFocus particle)

Description copied from interface: ICamera

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

Specified by:

checkClosestParticle in interface ICamera

Parameters:

particle - The candidate particle

getClosest

public IFocus getClosest()

Description copied from interface: ICamera

Returns the current closest object

Specified by:

getClosest in interface ICamera

setClosest

public void setClosest(IFocus focus)

Description copied from interface: ICamera

Sets the closest of all

Specified by:

setClosest in interface ICamera

Parameters:

focus - The new closest object

speedScaling

public double speedScaling()

Specified by:

speedScaling in interface ICamera

updateFrustumPlanes

public void updateFrustumPlanes()

Specified by:

updateFrustumPlanes in interface ICamera

getNear

public double getNear()

Specified by:

getNear in interface ICamera

getFar

public double getFar()

Specified by:

getFar in interface ICamera

getFrustumCornersWorld

public com.badlogic.gdx.math.Matrix4 getFrustumCornersWorld(com.badlogic.gdx.math.Matrix4 frustumCorners)

Stores the normalized rays representing the camera frustum in world space in a 4x4 matrix. Each row is a vector.

Parameters:

frustumCorners - The matrix to fill

Returns:

The same matrix

getFrustumCornersEye

public static com.badlogic.gdx.math.Matrix4 getFrustumCornersEye(com.badlogic.gdx.graphics.PerspectiveCamera cam,
                                                                 com.badlogic.gdx.math.Matrix4 frustumCorners)

Stores the normalized rays representing the camera frustum in eye space in a 4x4 matrix. Each row is a vector.

Parameters:

cam - The perspective camera

frustumCorners - The matrix to fill

Returns:

The same matrix