walker.blue.path.lib

Class AbstractPathfinderNode

java.lang.Object

walker.blue.path.lib.AbstractPathfinderNode

All Implemented Interfaces:

java.lang.Comparable<AbstractPathfinderNode>

Direct Known Subclasses:

GraphNode, GridNode

public abstract class AbstractPathfinderNode
extends java.lang.Object
implements java.lang.Comparable<AbstractPathfinderNode>

Field Summary

Fields

Modifier and Type	Field and Description
protected double	g Distance from the starting node to this node following the current path
protected double	h Estimated distance from this node to the destination node
protected RectCoordinates	location Used to give an x, y, and z position of the node in 3D space.
protected AbstractPathfinderNode	parent Holds the parent node that will help with following the path

Constructor Summary

Constructors

Constructor and Description
AbstractPathfinderNode(int x, int y, int z) Class constructor
AbstractPathfinderNode(RectCoordinates location) Class constructor taking in pre-made RectCoordinates location.

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(AbstractPathfinderNode another)
double	g() Returns the distance from the node to the start node in the path search taking the current path that reaches this node.
double	h() Returns the approximate distance from this node to the destination node in the path search.
RectCoordinates	location() Returns the location of the node in the grid
AbstractPathfinderNode	parent() Gets the parent node of this node
void	setG(double val)
void	setH(double val)
void	setParent(AbstractPathfinderNode par)

Methods inherited from class java.lang.Object

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

Field Detail

location

protected RectCoordinates location

Used to give an x, y, and z position of the node in 3D space.

parent

protected AbstractPathfinderNode parent

Holds the parent node that will help with following the path

g

protected double g

Distance from the starting node to this node following the current path

h

protected double h

Estimated distance from this node to the destination node

Constructor Detail

AbstractPathfinderNode

public AbstractPathfinderNode(int x,
                      int y,
                      int z)

Class constructor

Parameters:

x - the column the node is located in the grid

y - the row the node is located in the grid

z - the aisle the node is located in the grid

AbstractPathfinderNode

public AbstractPathfinderNode(RectCoordinates location)

Class constructor taking in pre-made RectCoordinates location.

Parameters:

location - the index of the node in the grid

Method Detail

location

public RectCoordinates location()

Returns the location of the node in the grid

Returns:

the location of the node in the grid

parent

public AbstractPathfinderNode parent()

Gets the parent node of this node

Returns:

the parent node of this node as an AbstractPathfinderNode

setParent

public void setParent(AbstractPathfinderNode par)

g

public double g()

Returns the distance from the node to the start node in the path search taking the current path that reaches this node.

Returns:

the distance between the start node and this node

setG

public void setG(double val)

h

public double h()

Returns the approximate distance from this node to the destination node in the path search.

Returns:

the approximate distance from this node to the destination

setH

public void setH(double val)

compareTo

public int compareTo(AbstractPathfinderNode another)

Specified by:

compareTo in interface java.lang.Comparable<AbstractPathfinderNode>