de.gurkenlabs.litiengine.pathfinding.astar

Class AStarGrid

java.lang.Object

de.gurkenlabs.litiengine.pathfinding.astar.AStarGrid

All Implemented Interfaces:

IRenderable

public class AStarGrid
extends java.lang.Object
implements IRenderable

Field Summary

Fields

Modifier and Type	Field and Description
static double	PENALTY_NOT_WALKABLE_NEIGHBOR
static double	PENALTY_STATIC_PROP

Constructor Summary

Constructors

Constructor and Description
AStarGrid(java.awt.Dimension size, int nodeSize)
AStarGrid(int width, int height, int nodeSize)

Method Summary

Modifier and Type	Method and Description
protected void	assignPenalty(AStarNode node)
AStarNode[][]	getGrid()
java.util.List<AStarNode>	getIntersectedNodes(java.awt.geom.Rectangle2D rectangle)
java.util.List<AStarNode>	getNeighbors(AStarNode node)
AStarNode	getNode(double x, double y)
AStarNode	getNode(java.awt.geom.Point2D point)
int	getNodeSize()
java.awt.Dimension	getSize()
boolean	isDiagonalCornerMovementAllowed()
boolean	isDiagonalMovementAllowed()
void	render(java.awt.Graphics2D g)
void	setAllowCuttingCorners(boolean allowCuttingCorners)
void	setAllowDiagonalMovement(boolean allowDiagonalMovement)
void	updateWalkable(java.awt.geom.Rectangle2D rectangle) Updates the walkable attribute of nodes intersected by the specified rectangle.

Methods inherited from class java.lang.Object

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

Field Detail

PENALTY_STATIC_PROP

public static final double PENALTY_STATIC_PROP

See Also:

Constant Field Values

PENALTY_NOT_WALKABLE_NEIGHBOR

public static final double PENALTY_NOT_WALKABLE_NEIGHBOR

See Also:

Constant Field Values

Constructor Detail

AStarGrid

public AStarGrid(int width,
                 int height,
                 int nodeSize)

AStarGrid

public AStarGrid(java.awt.Dimension size,
                 int nodeSize)

Method Detail

isDiagonalMovementAllowed

public boolean isDiagonalMovementAllowed()

isDiagonalCornerMovementAllowed

public boolean isDiagonalCornerMovementAllowed()

getGrid

public AStarNode[][] getGrid()

getIntersectedNodes

public java.util.List<AStarNode> getIntersectedNodes(java.awt.geom.Rectangle2D rectangle)

getNeighbors

public java.util.List<AStarNode> getNeighbors(AStarNode node)

getNode

public AStarNode getNode(java.awt.geom.Point2D point)

getNode

public AStarNode getNode(double x,
                         double y)

getNodeSize

public int getNodeSize()

getSize

public java.awt.Dimension getSize()

render

public void render(java.awt.Graphics2D g)

Specified by:

render in interface IRenderable

setAllowDiagonalMovement

public void setAllowDiagonalMovement(boolean allowDiagonalMovement)

setAllowCuttingCorners

public void setAllowCuttingCorners(boolean allowCuttingCorners)

updateWalkable

public void updateWalkable(java.awt.geom.Rectangle2D rectangle)

Updates the walkable attribute of nodes intersected by the specified rectangle.

Parameters:

rectangle - The rectangle within which the nodes should be updated.

assignPenalty

protected void assignPenalty(AStarNode node)