org.mini2Dx.core.collision

Class CellGrid<T extends CollisionArea>

java.lang.Object

org.mini2Dx.core.geom.Shape

org.mini2Dx.core.geom.Rectangle

org.mini2Dx.core.collision.CellGrid<T>

All Implemented Interfaces:

CollisionDetection<T>, Positionable, PositionChangeListener<T>, Sizeable, SizeChangeListener<T>, org.mini2Dx.gdx.utils.Disposable

public class CellGrid<T extends CollisionArea>
extends Rectangle
implements CollisionDetection<T>, SizeChangeListener<T>

Field Summary

Fields

Modifier and Type	Field and Description
static Color	ELEMENT_COLOR
static Color	QUAD_COLOR

Fields inherited from class org.mini2Dx.core.geom.Shape

disposed, geometry, positionChangeListeners, sizeChangeListeners

Constructor Summary

Constructors

Constructor and Description
CellGrid(int x, int y, int width, int height, int cellWidth, int cellHeight)

Method Summary

Modifier and Type	Method and Description
boolean	add(T element) Adds an element to this QuadTree
void	addAll(org.mini2Dx.gdx.utils.Array<T> elements) Adds all element to this QuadTree.
void	clear() Same a CollisionDetection.removeAll(Array) except the results are not stored
void	debugRender(Graphics g)
org.mini2Dx.gdx.utils.Array<T>	getElements()
void	getElements(org.mini2Dx.gdx.utils.Array<T> result)
void	getElementsContainingArea(org.mini2Dx.gdx.utils.Array<T> result, Shape area, boolean entirelyContained)
void	getElementsContainingArea(org.mini2Dx.gdx.utils.IntMap<T> result, Shape area, boolean entirelyContained)
org.mini2Dx.gdx.utils.Array<T>	getElementsContainingArea(Shape area, boolean entirelyContained)
void	getElementsContainingPoint(org.mini2Dx.gdx.utils.Array<T> result, Point point)
void	getElementsContainingPoint(org.mini2Dx.gdx.utils.IntMap<T> result, Point point)
org.mini2Dx.gdx.utils.Array<T>	getElementsContainingPoint(Point point)
void	getElementsIntersectingLineSegment(org.mini2Dx.gdx.utils.Array<T> result, LineSegment lineSegment)
void	getElementsIntersectingLineSegment(org.mini2Dx.gdx.utils.IntMap<T> result, LineSegment lineSegment)
org.mini2Dx.gdx.utils.Array<T>	getElementsIntersectingLineSegment(LineSegment lineSegment)
void	getElementsWithinArea(org.mini2Dx.gdx.utils.Array<T> result, Shape area)
void	getElementsWithinArea(org.mini2Dx.gdx.utils.IntMap<T> result, Shape area)
org.mini2Dx.gdx.utils.Array<T>	getElementsWithinArea(Shape area)
void	getElementsWithinAreaIgnoringEdges(org.mini2Dx.gdx.utils.Array<T> result, Shape area)
void	getElementsWithinAreaIgnoringEdges(org.mini2Dx.gdx.utils.IntMap<T> result, Shape area)
org.mini2Dx.gdx.utils.Array<T>	getElementsWithinAreaIgnoringEdges(Shape area)
int	getTotalElements()
void	positionChanged(T moved)
boolean	remove(T element) Removes an element from this QuadTree
void	removeAll(org.mini2Dx.gdx.utils.Array<T> elements) Removes all elements in this QuadTree and stores them in an Array
void	sizeChanged(T changed)

Methods inherited from class org.mini2Dx.core.geom.Rectangle

contains, contains, contains, contains, contains, copy, dispose, draw, edgeIterator, equals, fill, getCenterX, getCenterY, getDistanceTo, getHeight, getMaxX, getMaxY, getMinX, getMinY, getNumberOfSides, getPolygon, getRotation, getVertices, getWidth, getX, getY, hashCode, intersection, intersects, intersects, intersects, intersects, intersects, intersects, intersectsIgnoringEdges, intersectsLineSegment, intersectsLineSegment, isCircle, lerp, lerp, lerp, rotate, rotateAround, scale, set, set, setCenter, setCenterX, setCenterY, setHeight, setRadius, setRotation, setRotationAround, setSize, setSize, setWidth, setX, setXY, setXY, setY, toString, translate

Methods inherited from class org.mini2Dx.core.geom.Shape

add, addPostionChangeListener, addSizeChangeListener, clearPositionChangeListeners, clearPositionListeners, clearPositionListeners, clearSizeChangeListeners, clearSizeListeners, clearSizeListeners, getDistanceTo, intersects, moveTowards, moveTowards, notifyPositionChangeListeners, notifyPositionListeners, notifyPositionListeners, notifySizeChangeListeners, notifySizeListeners, notifySizeListeners, removePositionChangeListener, removePositionListener, removePositionListener, removeSizeChangeListener, removeSizeListener, removeSizeListener, setDisposed, setRotationAround, subtract

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

QUAD_COLOR

public static Color QUAD_COLOR

ELEMENT_COLOR

public static Color ELEMENT_COLOR

Constructor Detail

CellGrid

public CellGrid(int x,
                int y,
                int width,
                int height,
                int cellWidth,
                int cellHeight)

Method Detail

debugRender

public void debugRender(Graphics g)

Specified by:

debugRender in interface CollisionDetection<T extends CollisionArea>

add

public boolean add(T element)

Description copied from interface: CollisionDetection

Adds an element to this QuadTree

Specified by:

add in interface CollisionDetection<T extends CollisionArea>

Parameters:

element - The element to add

Returns:

False if the element exists outside of this QuadTree's bounds and was not added

remove

public boolean remove(T element)

Description copied from interface: CollisionDetection

Removes an element from this QuadTree

Specified by:

remove in interface CollisionDetection<T extends CollisionArea>

Parameters:

element - The element to remove

Returns:

True if the element was found and removed

addAll

public void addAll(org.mini2Dx.gdx.utils.Array<T> elements)

Description copied from interface: CollisionDetection

Adds all element to this QuadTree. Note that if an element exists outside of this QuadTree's bounds, it will not be added

Specified by:

addAll in interface CollisionDetection<T extends CollisionArea>

Parameters:

elements - The elements to add

removeAll

public void removeAll(org.mini2Dx.gdx.utils.Array<T> elements)

Description copied from interface: CollisionDetection

Removes all elements in this QuadTree and stores them in an Array

Specified by:

removeAll in interface CollisionDetection<T extends CollisionArea>

Parameters:

elements - After executing, this Array will contain all the removed elements

clear

public void clear()

Description copied from interface: CollisionDetection

Same a CollisionDetection.removeAll(Array) except the results are not stored

Specified by:

clear in interface CollisionDetection<T extends CollisionArea>

getElementsWithinArea

public org.mini2Dx.gdx.utils.Array<T> getElementsWithinArea(Shape area)

Specified by:

getElementsWithinArea in interface CollisionDetection<T extends CollisionArea>

getElementsWithinArea

public void getElementsWithinArea(org.mini2Dx.gdx.utils.Array<T> result,
                                  Shape area)

Specified by:

getElementsWithinArea in interface CollisionDetection<T extends CollisionArea>

getElementsWithinArea

public void getElementsWithinArea(org.mini2Dx.gdx.utils.IntMap<T> result,
                                  Shape area)

getElementsWithinAreaIgnoringEdges

public org.mini2Dx.gdx.utils.Array<T> getElementsWithinAreaIgnoringEdges(Shape area)

Specified by:

getElementsWithinAreaIgnoringEdges in interface CollisionDetection<T extends CollisionArea>

getElementsWithinAreaIgnoringEdges

public void getElementsWithinAreaIgnoringEdges(org.mini2Dx.gdx.utils.Array<T> result,
                                               Shape area)

Specified by:

getElementsWithinAreaIgnoringEdges in interface CollisionDetection<T extends CollisionArea>

getElementsWithinAreaIgnoringEdges

public void getElementsWithinAreaIgnoringEdges(org.mini2Dx.gdx.utils.IntMap<T> result,
                                               Shape area)

getElementsContainingArea

public org.mini2Dx.gdx.utils.Array<T> getElementsContainingArea(Shape area,
                                                                boolean entirelyContained)

Specified by:

getElementsContainingArea in interface CollisionDetection<T extends CollisionArea>

getElementsContainingArea

public void getElementsContainingArea(org.mini2Dx.gdx.utils.Array<T> result,
                                      Shape area,
                                      boolean entirelyContained)

Specified by:

getElementsContainingArea in interface CollisionDetection<T extends CollisionArea>

getElementsContainingArea

public void getElementsContainingArea(org.mini2Dx.gdx.utils.IntMap<T> result,
                                      Shape area,
                                      boolean entirelyContained)

getElementsIntersectingLineSegment

public org.mini2Dx.gdx.utils.Array<T> getElementsIntersectingLineSegment(LineSegment lineSegment)

Specified by:

getElementsIntersectingLineSegment in interface CollisionDetection<T extends CollisionArea>

getElementsIntersectingLineSegment

public void getElementsIntersectingLineSegment(org.mini2Dx.gdx.utils.Array<T> result,
                                               LineSegment lineSegment)

Specified by:

getElementsIntersectingLineSegment in interface CollisionDetection<T extends CollisionArea>

getElementsIntersectingLineSegment

public void getElementsIntersectingLineSegment(org.mini2Dx.gdx.utils.IntMap<T> result,
                                               LineSegment lineSegment)

getElementsContainingPoint

public org.mini2Dx.gdx.utils.Array<T> getElementsContainingPoint(Point point)

Specified by:

getElementsContainingPoint in interface CollisionDetection<T extends CollisionArea>

getElementsContainingPoint

public void getElementsContainingPoint(org.mini2Dx.gdx.utils.Array<T> result,
                                       Point point)

Specified by:

getElementsContainingPoint in interface CollisionDetection<T extends CollisionArea>

getElementsContainingPoint

public void getElementsContainingPoint(org.mini2Dx.gdx.utils.IntMap<T> result,
                                       Point point)

getElements

public org.mini2Dx.gdx.utils.Array<T> getElements()

Specified by:

getElements in interface CollisionDetection<T extends CollisionArea>

getElements

public void getElements(org.mini2Dx.gdx.utils.Array<T> result)

Specified by:

getElements in interface CollisionDetection<T extends CollisionArea>

getTotalElements

public int getTotalElements()

Specified by:

getTotalElements in interface CollisionDetection<T extends CollisionArea>

positionChanged

public void positionChanged(T moved)

Specified by:

positionChanged in interface PositionChangeListener<T extends CollisionArea>

sizeChanged

public void sizeChanged(T changed)

Specified by:

sizeChanged in interface SizeChangeListener<T extends CollisionArea>