Package gaiasky.scenegraph

Class CelestialBody

java.lang.Object
gaiasky.scenegraph.SceneGraphNode
gaiasky.scenegraph.CelestialBody
All Implemented Interfaces:
com.badlogic.gdx.utils.Disposable, I3DTextRenderable, IModelRenderable, IQuadRenderable, IRenderable, IFocus, IStarContainer, IPosition
Direct Known Subclasses:
Invisible, ModelBody, Particle
public abstract class CelestialBody
extends SceneGraphNode
implements I3DTextRenderable, IQuadRenderable, IModelRenderable, IFocus
Represents any celestial body.

  • Field Details

    • TH_OVER_FACTOR

      public float TH_OVER_FACTOR

    • wikiname

      public java.lang.String wikiname
      NAME FOR WIKIPEDIA

    • absmag

      public float absmag
      Absolute magnitude, m = -2.5 log10(flux), with the flux at 10 pc

    • appmag

      public float appmag
      Apparent magnitude, m = -2.5 log10(flux)

    • ccPale

      public float[] ccPale
      Red, green and blue colors and their revamped cousins

    • ccTransit

      public float[] ccTransit
      Colour for stars that have been observed by Gaia

    • colorbv

      public float colorbv
      The B-V color index, calculated as the magnitude in B minus the magnitude in V

    • rc

      public RotationComponent rc
      Holds information about the rotation of the body

    • compalpha

      public float compalpha
      Component alpha mirror

    • coordinatesTimeOverflow

      protected boolean coordinatesTimeOverflow
      Whether we are out of the time baseline range in the algorithm that works out the coordinates of this body

  • Constructor Details

    • CelestialBody

      public CelestialBody()
      Simple constructor

  • Method Details

    • THRESHOLD_NONE

      public abstract double THRESHOLD_NONE()
      radius/distance limit for rendering at all. If angle is smaller than this quantity, no rendering happens.

    • THRESHOLD_QUAD

      public abstract double THRESHOLD_QUAD()
      radius/distance limit for rendering as shader. If angle is any bigger, we render as a model.

    • THRESHOLD_POINT

      public abstract double THRESHOLD_POINT()
      radius/distance limit for rendering as point. If angle is any bigger, we render with shader.

    • render

      public void render​(ExtShaderProgram shader, float alpha, IntMesh mesh, ICamera camera)
      Billboard quad render, for planets and stars.
      Specified by:
      render in interface IQuadRenderable

    • getFuzzyRenderSize

      public float getFuzzyRenderSize​(ICamera camera)

    • render

      public void render​(ExtSpriteBatch batch, ExtShaderProgram shader, FontRenderSystem sys, RenderingContext rc, ICamera camera)
      Label rendering.
      Specified by:
      render in interface I3DTextRenderable
      Parameters:
      batch - The sprite batch
      shader - The shader
      sys - The font render system
      rc - The render context
      camera - The camera

    • getViewAnglePow

      protected float getViewAnglePow()

    • getThOverFactorScl

      protected float getThOverFactorScl()

    • getThOverFactor

      protected float getThOverFactor​(ICamera camera)

    • setColor2Data

      protected void setColor2Data()

    • getInnerRad

      public abstract float getInnerRad()

    • setMag

      public void setMag​(java.lang.Double mag)

    • setAbsmag

      public void setAbsmag​(java.lang.Double absmag)

    • setAppmag

      public void setAppmag​(java.lang.Double appmag)

    • getAppmag

      public float getAppmag()
      Description copied from interface: IFocus
      Gets the apparent magnitude
      Specified by:
      getAppmag in interface IFocus
      Returns:
      The apparent magnitude

    • getAbsmag

      public float getAbsmag()
      Description copied from interface: IFocus
      Gets the absolute magnitude
      Specified by:
      getAbsmag in interface IFocus
      Returns:
      The absolute magnitude

    • isActive

      public boolean isActive()
      Description copied from interface: IFocus
      Returns whether this focus object is active or not. Useful for particle groups
      Specified by:
      isActive in interface IFocus
      Returns:
      The active status

    • addFocusableObjects

      public void addFocusableObjects​(com.badlogic.gdx.utils.Array<IFocus> list)
      Adds all the children that are focusable objects to the list.
      Overrides:
      addFocusableObjects in class SceneGraphNode
      Parameters:
      list -

    • getViewAngle

      public double getViewAngle()
      Description copied from class: SceneGraphNode
      Returns the current view angle of this entity, in radians.
      Specified by:
      getViewAngle in interface IFocus
      Overrides:
      getViewAngle in class SceneGraphNode
      Returns:
      The view angle in radians.

    • setSize

      public void setSize​(java.lang.Double size)
      Sets the size of this entity in kilometers
      Overrides:
      setSize in class SceneGraphNode
      Parameters:
      size - The size in km

    • setColorbv

      public void setColorbv​(java.lang.Double colorbv)

    • isStar

      public boolean isStar()

    • setRotation

      public void setRotation​(RotationComponent rc)
      Sets the rotation period in hours

    • getSimpleCopy

      public <T extends SceneGraphNode> T getSimpleCopy()
      Description copied from class: SceneGraphNode
      Gets a copy of this object but does not copy its parent or children
      Overrides:
      getSimpleCopy in class SceneGraphNode
      Returns:
      The copied object

    • renderText

      public boolean renderText()
      Description copied from interface: I3DTextRenderable
      Tells whether the text must be rendered or not for this entity
      Specified by:
      renderText in interface I3DTextRenderable
      Returns:
      True if text must be rendered

    • textColour

      public float[] textColour()
      Description copied from interface: I3DTextRenderable
      Returns an array with the text colour in the fashion [r, g, b, a]
      Specified by:
      textColour in interface I3DTextRenderable
      Returns:
      Array with the colour

    • textScale

      public float textScale()
      Description copied from interface: I3DTextRenderable
      Returns the text scale for the scale varying in the shader
      Specified by:
      textScale in interface I3DTextRenderable
      Returns:
      The scale

    • textSize

      public float textSize()
      Description copied from interface: I3DTextRenderable
      Returns the text size
      Specified by:
      textSize in interface I3DTextRenderable
      Returns:
      The text size

    • labelSizeConcrete

      protected float labelSizeConcrete()

    • labelFactor

      protected abstract float labelFactor()

    • labelMax

      protected abstract float labelMax()

    • textPosition

      public void textPosition​(ICamera cam, Vector3d out)
      Description copied from interface: I3DTextRenderable
      Sets the position of this text in the out vector
      Specified by:
      textPosition in interface I3DTextRenderable
      out - The out parameter with the result

    • text

      public java.lang.String text()
      Description copied from interface: I3DTextRenderable
      Returns the text
      Specified by:
      text in interface I3DTextRenderable
      Returns:
      The text

    • textDepthBuffer

      public void textDepthBuffer()
      Description copied from interface: I3DTextRenderable
      Executes the blending for the text
      Specified by:
      textDepthBuffer in interface I3DTextRenderable

    • hasAtmosphere

      public boolean hasAtmosphere()
      Specified by:
      hasAtmosphere in interface IModelRenderable

    • isLabel

      public boolean isLabel()
      Description copied from interface: I3DTextRenderable
      Is it a label or another kind of text?
      Specified by:
      isLabel in interface I3DTextRenderable
      Returns:
      Whether this is a label

    • getPmX

      public double getPmX()

    • getPmY

      public double getPmY()

    • getPmZ

      public double getPmZ()

    • getRotationComponent

      public RotationComponent getRotationComponent()
      Description copied from interface: IFocus
      Returns the rotation component of this focus
      Specified by:
      getRotationComponent in interface IFocus
      Returns:
      The rotation component. Can be null

    • getOrientationQuaternion

      public Quaterniond getOrientationQuaternion()
      Description copied from interface: IFocus
      Returns the orientation quaternion of this focus
      Specified by:
      getOrientationQuaternion in interface IFocus
      Returns:
      The orientation quaternion. Can be null

    • addHit

      public void addHit​(int screenX, int screenY, int w, int h, int minPixDist, NaturalCamera camera, com.badlogic.gdx.utils.Array<IFocus> hits)
      Description copied from interface: IFocus
      Adds this focus to the hits list if it is hit by the [screenX, screenY] position
      Specified by:
      addHit in interface IFocus
      Parameters:
      screenX - The x position of the hit
      screenY - The y position of the hit
      w - The viewport width
      h - The viewport height
      minPixDist - The minimum pixel distance to consider as hit
      camera - The camera
      hits - The list where to add the element

    • addHit

      public void addHit​(Vector3d p0, Vector3d p1, NaturalCamera camera, com.badlogic.gdx.utils.Array<IFocus> hits)
      Description copied from interface: IFocus
      Adds this focus to the hits list if it is hit by the given ray
      Specified by:
      addHit in interface IFocus
      Parameters:
      p0 - Start point of the ray
      p1 - End point of the ray
      camera - The camera
      hits - The list where the focus is to be added

    • checkClickDistance

      protected boolean checkClickDistance​(int screenX, int screenY, com.badlogic.gdx.math.Vector3 pos, NaturalCamera camera, com.badlogic.gdx.graphics.PerspectiveCamera pcamera, double pixelSize)

    • computeViewAngle

      protected double computeViewAngle​(float fovFactor)

    • checkHitCondition

      protected boolean checkHitCondition()

    • makeFocus

      public void makeFocus()
      Description copied from interface: IFocus
      Hook that runs when the candidate is actually made focus
      Specified by:
      makeFocus in interface IFocus

    • getCandidateId

      public long getCandidateId()
      Description copied from interface: IFocus
      Returns the id of the focus candidate of this object. Defaults to IFocus.getId()
      Specified by:
      getCandidateId in interface IFocus
      Returns:
      The id of the candidate

    • getCandidateName

      public java.lang.String getCandidateName()
      Description copied from interface: IFocus
      Returns the name of the focus candidate of this object. Defaults to IFocus.getName()
      Specified by:
      getCandidateName in interface IFocus
      Returns:
      The name of the candidate

    • getCandidateViewAngleApparent

      public double getCandidateViewAngleApparent()
      Description copied from interface: IFocus
      Returns the candidate apparent view angle (view angle corrected with the field of view) of this entity, in radians
      Specified by:
      getCandidateViewAngleApparent in interface IFocus
      Returns:
      The apparent view angle in radians

    • isCoordinatesTimeOverflow

      public boolean isCoordinatesTimeOverflow()
      Description copied from interface: IFocus
      Checks whether this foucs is within its valid time range, so that it can be used as a focus
      Specified by:
      isCoordinatesTimeOverflow in interface IFocus
      Returns:
      Whether the focus object is within its valid time range

    • getTextOpacity

      public float getTextOpacity()
      Description copied from interface: I3DTextRenderable
      Gets the text opacity
      Specified by:
      getTextOpacity in interface I3DTextRenderable
      Returns:
      Text opacity

    • setAltname

      public void setAltname​(java.lang.String altname)

    • getFocus

      public IFocus getFocus​(java.lang.String name)
      Description copied from interface: IFocus
      Prepares the candidate with the given name
      Specified by:
      getFocus in interface IFocus
      Parameters:
      name - The name in lower case

    • isValidPosition

      public boolean isValidPosition()
      Description copied from class: SceneGraphNode
      Returns whether the current position is valid (usually, when there is no coordinates overflow)
      Overrides:
      isValidPosition in class SceneGraphNode
      Returns:

    • getClosestName

      public java.lang.String getClosestName()
      Description copied from interface: IFocus
      Same as IFocus.getName()
      Specified by:
      getClosestName in interface IFocus
      Returns:
      The name

    • getClosestDistToCamera

      public double getClosestDistToCamera()
      Description copied from interface: IFocus
      Same as IFocus.getDistToCamera()
      Specified by:
      getClosestDistToCamera in interface IFocus
      Returns:
      The distance to the camera in internal units

    • getClosestAbsolutePos

      public Vector3d getClosestAbsolutePos​(Vector3d out)
      Description copied from interface: IFocus
      Same as IFocus.getAbsolutePosition(Vector3d)
      Specified by:
      getClosestAbsolutePos in interface IFocus
      Parameters:
      out - Vector3d where to put the return value
      Returns:
      The absolute position, same as aux

    • getWikiname

      public java.lang.String getWikiname()

    • setWikiname

      public void setWikiname​(java.lang.String wikiname)