Package gaiasky.scenegraph

Class AbstractPositionEntity

java.lang.Object

gaiasky.scenegraph.SceneGraphNode

gaiasky.scenegraph.AbstractPositionEntity

All Implemented Interfaces:

com.badlogic.gdx.utils.Disposable, IStarContainer, IPosition

Direct Known Subclasses:

Area, Axes, CelestialBody, ConstellationBoundaries, CosmicRuler, FadeNode, Loc, MilkyWay, StarCluster, StubModel, VertsObject

public abstract class AbstractPositionEntity
extends SceneGraphNode

A base abstract graphical entity with the basics.

Nested Class Summary

Nested classes/interfaces inherited from class gaiasky.scenegraph.SceneGraphNode

SceneGraphNode.RenderGroup, SceneGraphNode.TLV3, SceneGraphNode.TLV3D

Field Summary

Fields

Modifier and Type	Field	Description
float[]	cc	Base color
protected IBodyCoordinates	coordinates	Coordinates provider.
boolean	copy	Is this just a copy?
double	distToCamera	The distance to the camera from the focus center.
OctreeNode	octant	Its page
java.lang.Long	octantId	The id of the octant it belongs to, if any
Vector3d	pos	Position of this entity in the local reference system.
Vector2d	posSph	Position in the equatorial system; ra, dec.
float	size	Size factor in internal units.
double	viewAngle	The view angle, in radians.
double	viewAngleApparent	The view angle corrected with the field of view angle, in radians.

Fields inherited from class gaiasky.scenegraph.SceneGraphNode

aux3d1, aux3d2, aux3d3, aux3d4, aux3f1, aux3f2, aux3f3, aux3f4, children, computed, ct, id, localTransform, namekey, names, numChildren, opacity, orientation, parent, parentkey, parentName, ROOT_NAME, sg, translation

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractPositionEntity()
	AbstractPositionEntity(SceneGraphNode parent)
	AbstractPositionEntity(java.lang.String name)
	AbstractPositionEntity(java.lang.String name, SceneGraphNode parent)

Method Summary

Modifier and Type	Method	Description
protected abstract void	addToRenderLists(ICamera camera)	Adds this entity to the necessary render lists after the distance to the camera and the view angle have been determined.
Vector3d	computeFuturePosition()
void	doneLoading(com.badlogic.gdx.assets.AssetManager manager)
Matrix4d	getAbsoluteOrientation(Matrix4d aux)
Vector3d	getAbsolutePosition(Vector3d out)	Returns the absolute position of this entity in the native coordinates (equatorial system) and internal units
Vector3d	getAbsolutePosition(java.lang.String name, Vector3d aux)
double	getAlpha()
double	getDelta()
double	getDistToCamera()	Returns the current distance to the camera in internal units.
double	getHeight(Vector3d camPos)
double	getHeight(Vector3d camPos, boolean useFuturePosition)
double	getHeight(Vector3d camPos, Vector3d nextPos)
double	getHeightScale()
IFocus	getNext(ITimeFrameProvider time, ICamera camera, boolean force)	Gets a copy of this entity which mimics its state in the next time step with position, orientation, etc.
OctreeNode	getOctant()
Vector3d	getPos()
Vector3d	getPosition()
Vector3d	getPosition(Vector3d aux)	Returns the position of this entity in the internal reference system.
Vector2d	getPosSph()
Vector3d	getPredictedPosition(Vector3d aux, ITimeFrameProvider time, ICamera camera, boolean force)	Gets the position of this entity in the next time step in the internal reference system using the given time provider and the given camera.
double	getRadius()	Returns the radius in internal units
<T extends SceneGraphNode> T	getSimpleCopy()	Gets a copy of this object but does not copy its parent or children
double	getSize()	Returns the size (diameter) of this entity in internal units.
double	getViewAngle()	Returns the current view angle of this entity, in radians.
double	getViewAngleApparent()	Returns the current apparent view angle (view angle corrected with the field of view) of this entity, in radians.
boolean	isCopy()
protected boolean	mustUpdatePosition(ITimeFrameProvider time)	Whether position must be recomputed for this entity.
protected void	render2DLabel(ExtSpriteBatch batch, ExtShaderProgram shader, RenderingContext rc, BitmapFont font, ICamera camera, java.lang.String label, float x, float y)
protected void	render2DLabel(ExtSpriteBatch batch, ExtShaderProgram shader, RenderingContext rc, BitmapFont font, ICamera camera, java.lang.String label, float x, float y, float scale)
protected void	render2DLabel(ExtSpriteBatch batch, ExtShaderProgram shader, RenderingContext rc, BitmapFont font, ICamera camera, java.lang.String label, float x, float y, float scale, int align)
protected void	render2DLabel(ExtSpriteBatch batch, ExtShaderProgram shader, RenderingContext rc, BitmapFont font, ICamera camera, java.lang.String label, Vector3d pos3d)
protected void	render3DLabel(ExtSpriteBatch batch, ExtShaderProgram shader, BitmapFont font, ICamera camera, RenderingContext rc, java.lang.String label, Vector3d pos, float scale, float size)
void	setColor(double[] color)
void	setColor(float[] color)
void	setCoordinates(IBodyCoordinates coord)
void	setLabelcolor(double[] labelColor)
void	setLabelcolor(float[] labelColor)
void	setSize(java.lang.Double size)	Sets the absolute size (diameter) of this entity
void	setSize(java.lang.Long size)	Sets the absolute size (diameter) of this entity
void	updateLocal(ITimeFrameProvider time, ICamera camera)	Updates the local transform matrix.
abstract void	updateLocalValues(ITimeFrameProvider time, ICamera camera)	This function updates all the local values before the localTransform is updated.

Methods inherited from class gaiasky.scenegraph.SceneGraphNode

add, add, addChild, addChild, addFocusableObjects, addName, addNodes, addToIndex, addToRender, dispose, getAggregatedChildren, getChildByName, getChildByNameAndType, getChildrenByType, getComponentType, getCt, getFirstStarAncestor, getId, getLineCopy, getName, getNames, getNode, getNode, getOpacity, getOrientation, getRoot, getSceneGraphDepth, getStarCount, getVelocity, hasName, hasName, initialize, insert, insert, isInRender, isInRender, isValidPosition, isVisibilityOn, mustAddToIndex, namesConcat, removeChild, removeFromIndex, removeFromRender, returnToPool, setComputedFlag, setCt, setCt, setId, setName, setNamekey, setNames, setParent, setParentkey, setUp, toString, update, update, updateNames, updateNamesRec

Methods inherited from class java.lang.Object

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

Field Detail

pos

public Vector3d pos

Position of this entity in the local reference system. The units are Constants.U_TO_KM by default.

coordinates

protected IBodyCoordinates coordinates

Coordinates provider. Helps updating the position at each time step.

posSph

public Vector2d posSph

Position in the equatorial system; ra, dec.

size

public float size

Size factor in internal units.

distToCamera

public double distToCamera

The distance to the camera from the focus center.

viewAngle

public double viewAngle

The view angle, in radians.

viewAngleApparent

public double viewAngleApparent

The view angle corrected with the field of view angle, in radians.

cc

public float[] cc

Base color

copy

public boolean copy

Is this just a copy?

octantId

public java.lang.Long octantId

The id of the octant it belongs to, if any

octant

public OctreeNode octant

Its page

Constructor Detail

AbstractPositionEntity

protected AbstractPositionEntity()

AbstractPositionEntity

public AbstractPositionEntity(java.lang.String name,
                              SceneGraphNode parent)

AbstractPositionEntity

public AbstractPositionEntity(SceneGraphNode parent)

AbstractPositionEntity

public AbstractPositionEntity(java.lang.String name)

Method Detail

doneLoading

public void doneLoading(com.badlogic.gdx.assets.AssetManager manager)

Overrides:

doneLoading in class SceneGraphNode

getPos

public Vector3d getPos()

isCopy

public boolean isCopy()

getPosition

public Vector3d getPosition(Vector3d aux)

Returns the position of this entity in the internal reference system.

Parameters:

aux - The vector where the result will be put

Returns:

The aux vector with the position

getNext

public IFocus getNext(ITimeFrameProvider time,
                      ICamera camera,
                      boolean force)

Gets a copy of this entity which mimics its state in the next time step with position, orientation, etc.

Returns:

A copy of this entity in the next time step

getPredictedPosition

public Vector3d getPredictedPosition(Vector3d aux,
                                     ITimeFrameProvider time,
                                     ICamera camera,
                                     boolean force)

Gets the position of this entity in the next time step in the internal reference system using the given time provider and the given camera.

Parameters:

aux - The out vector where the result will be stored.

time - The time frame provider.

camera - The camera.

force - Whether to force the computation if time is off.

Returns:

The aux vector for chaining.

mustUpdatePosition

protected boolean mustUpdatePosition(ITimeFrameProvider time)

Whether position must be recomputed for this entity. By default, only when time is on

Parameters:

time - The current time

Returns:

True if position should be recomputed for this entity

getAbsolutePosition

public Vector3d getAbsolutePosition(Vector3d out)

Returns the absolute position of this entity in the native coordinates (equatorial system) and internal units

Parameters:

out - Auxiliary vector to put the result in

Returns:

The vector with the position

getAbsolutePosition

public Vector3d getAbsolutePosition(java.lang.String name,
                                    Vector3d aux)

getAbsoluteOrientation

public Matrix4d getAbsoluteOrientation(Matrix4d aux)

updateLocal

public void updateLocal(ITimeFrameProvider time,
                        ICamera camera)

Updates the local transform matrix.

Overrides:

updateLocal in class SceneGraphNode

Parameters:

time -

addToRenderLists

protected abstract void addToRenderLists(ICamera camera)

Adds this entity to the necessary render lists after the distance to the camera and the view angle have been determined.

updateLocalValues

public abstract void updateLocalValues(ITimeFrameProvider time,
                                       ICamera camera)

This function updates all the local values before the localTransform is updated. Position, rotations and scale must be updated in here.

Parameters:

time -

camera -

getRadius

public double getRadius()

Returns the radius in internal units

Returns:

The radius of the object, in internal units

getHeight

public double getHeight(Vector3d camPos)

getHeight

public double getHeight(Vector3d camPos,
                        boolean useFuturePosition)

getHeight

public double getHeight(Vector3d camPos,
                        Vector3d nextPos)

getHeightScale

public double getHeightScale()

getSize

public double getSize()

Returns the size (diameter) of this entity in internal units.

Returns:

The size in internal units.

setSize

public void setSize(java.lang.Double size)

Sets the absolute size (diameter) of this entity

Parameters:

size - The diameter in internal units

setSize

public void setSize(java.lang.Long size)

Sets the absolute size (diameter) of this entity

Parameters:

size - The diameter in internal units

getPosSph

public Vector2d getPosSph()

getAlpha

public double getAlpha()

getDelta

public double getDelta()

setColor

public void setColor(double[] color)

setColor

public void setColor(float[] color)

getOctant

public OctreeNode getOctant()

computeFuturePosition

public Vector3d computeFuturePosition()

getSimpleCopy

public <T extends SceneGraphNode> T getSimpleCopy()

Gets a copy of this object but does not copy its parent or children

Overrides:

getSimpleCopy in class SceneGraphNode

Returns:

The copied object

getDistToCamera

public double getDistToCamera()

Returns the current distance to the camera in internal units.

Returns:

The current distance to the camera, in internal units.

getViewAngle

public double getViewAngle()

Returns the current view angle of this entity, in radians.

Returns:

The view angle in radians.

getViewAngleApparent

public double getViewAngleApparent()

Returns the current apparent view angle (view angle corrected with the field of view) of this entity, in radians.

Returns:

The apparent view angle in radians.

render2DLabel

protected void render2DLabel(ExtSpriteBatch batch,
                             ExtShaderProgram shader,
                             RenderingContext rc,
                             BitmapFont font,
                             ICamera camera,
                             java.lang.String label,
                             Vector3d pos3d)

render2DLabel

protected void render2DLabel(ExtSpriteBatch batch,
                             ExtShaderProgram shader,
                             RenderingContext rc,
                             BitmapFont font,
                             ICamera camera,
                             java.lang.String label,
                             float x,
                             float y)

render2DLabel

protected void render2DLabel(ExtSpriteBatch batch,
                             ExtShaderProgram shader,
                             RenderingContext rc,
                             BitmapFont font,
                             ICamera camera,
                             java.lang.String label,
                             float x,
                             float y,
                             float scale)

render2DLabel

protected void render2DLabel(ExtSpriteBatch batch,
                             ExtShaderProgram shader,
                             RenderingContext rc,
                             BitmapFont font,
                             ICamera camera,
                             java.lang.String label,
                             float x,
                             float y,
                             float scale,
                             int align)

render3DLabel

protected void render3DLabel(ExtSpriteBatch batch,
                             ExtShaderProgram shader,
                             BitmapFont font,
                             ICamera camera,
                             RenderingContext rc,
                             java.lang.String label,
                             Vector3d pos,
                             float scale,
                             float size)

setCoordinates

public void setCoordinates(IBodyCoordinates coord)

getPosition

public Vector3d getPosition()

Specified by:

getPosition in interface IPosition

Overrides:

getPosition in class SceneGraphNode

setLabelcolor

public void setLabelcolor(float[] labelColor)

setLabelcolor

public void setLabelcolor(double[] labelColor)