Package com.csse3200.game.components.spacenavigation

Class StarBackground

java.lang.Object
com.badlogic.gdx.scenes.scene2d.Actor
com.csse3200.game.components.spacenavigation.StarBackground
Direct Known Subclasses:
NavigationBackground
public class StarBackground extends com.badlogic.gdx.scenes.scene2d.Actor

  • Constructor Summary

    Constructors
    Constructor
    Description
    StarBackground()
    Constructs a new StarBackground instance.
    StarBackground(int numStars)
    Constructs a new StarBackground instance.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    act(float delta)
    Called when the actor should perform its action.
    void
    draw(com.badlogic.gdx.graphics.g2d.Batch batch, float parentAlpha)
    Called when the actor should be drawn.
    protected com.badlogic.gdx.math.Vector2
    starShift(int x, int y)
    Shifts a star from the given x-y coordinates to new position.

    Methods inherited from class com.badlogic.gdx.scenes.scene2d.Actor

    addAction, addCaptureListener, addListener, ancestorsVisible, ascendantsVisible, clear, clearActions, clearListeners, clipBegin, clipBegin, clipEnd, debug, drawDebug, drawDebugBounds, fire, firstAscendant, getActions, getCaptureListeners, getColor, getDebug, getHeight, getListeners, getName, getOriginX, getOriginY, getParent, getRight, getRotation, getScaleX, getScaleY, getStage, getTop, getTouchable, getUserObject, getWidth, getX, getX, getY, getY, getZIndex, hasActions, hasKeyboardFocus, hasParent, hasScrollFocus, hit, isAscendantOf, isDescendantOf, isTouchable, isTouchFocusListener, isTouchFocusTarget, isVisible, localToActorCoordinates, localToAscendantCoordinates, localToParentCoordinates, localToScreenCoordinates, localToStageCoordinates, moveBy, notify, parentToLocalCoordinates, positionChanged, remove, removeAction, removeCaptureListener, removeListener, rotateBy, rotationChanged, scaleBy, scaleBy, scaleChanged, screenToLocalCoordinates, setBounds, setColor, setColor, setDebug, setHeight, setName, setOrigin, setOrigin, setOriginX, setOriginY, setParent, setPosition, setPosition, setRotation, setScale, setScale, setScaleX, setScaleY, setSize, setStage, setTouchable, setUserObject, setVisible, setWidth, setX, setX, setY, setY, setZIndex, sizeBy, sizeBy, sizeChanged, stageToLocalCoordinates, toBack, toFront, toString

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • StarBackground

      public StarBackground()
      Constructs a new StarBackground instance. Animates 150 stars across the screen and load in necessary textures.

    • StarBackground

      public StarBackground(int numStars)
      Constructs a new StarBackground instance. Animates the stars across the screen and load in necessary textures.
      Parameters:
      numStars - The number of stars to create.

  • Method Details

    • starShift

      protected com.badlogic.gdx.math.Vector2 starShift(int x, int y)
      Shifts a star from the given x-y coordinates to new position. Can be used to draw bounding boxes around content or cluster stars.
      Parameters:
      x - The x coordinate of star to move.
      y - The y coordinate of the star to move.
      Returns:
      A vector of the new position for the star.

    • act

      public void act(float delta)
      Called when the actor should perform its action. Updates the state times for star animations.
      Overrides:
      act in class com.badlogic.gdx.scenes.scene2d.Actor
      Parameters:
      delta - The time in seconds since the last frame.

    • draw

      public void draw(com.badlogic.gdx.graphics.g2d.Batch batch, float parentAlpha)
      Called when the actor should be drawn. Draws the black background and the animated star sprites.
      Overrides:
      draw in class com.badlogic.gdx.scenes.scene2d.Actor
      Parameters:
      batch - The batch to draw with.
      parentAlpha - The parent alpha value.