StartEndModifier Class Reference

Adjusts start and end points of a path. More...

Detailed Description

Adjusts start and end points of a path.

This modifier is included in the Seeker component and is always used if you are using a Seeker. When a path is calculated the resulting path will only be the positions of the nodes it passes through. However often you may not want to navigate to the center of a specific node but instead to a point on the surface of a node. This modifier will adjust the endpoints of the path.

Public Types
enum	Exactness {   SnapToNode, Original, Interpolate, ClosestOnNode,   NodeConnection }
	Sets where the start and end points of a path should be placed. More...

Public Member Functions
override void	Apply (Path _p)
	Main Post-Processing function.
Vector3	GetClampedPoint (Vector3 from, Vector3 to, GraphNode hint)
Public Member Functions inherited from PathModifier
void	Awake (Seeker seeker)
void	OnDestroy (Seeker seeker)
virtual void	PreProcess (Path path)
Public Member Functions inherited from IPathModifier
void	Apply (Path path)
void	PreProcess (Path path)

Public Attributes
bool	addPoints
	Add points to the path instead of replacing them.
System.Func< Vector3 >	adjustStartPoint
	Will be called when a path is processed.
Exactness	exactEndPoint = Exactness.ClosestOnNode
Exactness	exactStartPoint = Exactness.ClosestOnNode
LayerMask	mask = -1
bool	useGraphRaycasting
bool	useRaycasting
Public Attributes inherited from PathModifier
Seeker	seeker

Properties
override int	Order [get]
Properties inherited from PathModifier
abstract int	Order [get]
	Modifiers will be executed from lower order to higher order.
Properties inherited from IPathModifier
int	Order [get]

Private Member Functions
Vector3	Snap (ABPath path, Exactness mode, bool start, out bool forceAddPoint)

Private Attributes
List< GraphNode >	connectionBuffer
System.Action< GraphNode >	connectionBufferAddDelegate

Member Enumeration Documentation

enum Exactness

Sets where the start and end points of a path should be placed.

Enumerator:

SnapToNode	The point is snapped to the first/last node in the path.
Original	The point is set to the exact point which was passed when creating the path request.
Interpolate	The point is set to the closest point on the line between either the two first points or the two last points. Usually you will want to use the NodeConnection mode instead since that is usually the behaviour that you really want.
ClosestOnNode	The point is set to the closest point on the node. Note that for some node types (point nodes) the "closest point" is the node's position which makes this identical to Exactness.SnapToNode
NodeConnection	The point is set to the closest point on one of the connections from the start/end node.

Member Function Documentation

override void Apply ( Path  path )

virtual

Main Post-Processing function.

Implements PathModifier.

Vector3 GetClampedPoint	(	Vector3	from,
		Vector3	to,
		GraphNode	hint
	)

Vector3 Snap ( ABPath  path, Exactness  mode, bool  start, out bool  forceAddPoint  )

private

Member Data Documentation

bool addPoints

Add points to the path instead of replacing them.

System.Func<Vector3> adjustStartPoint

Will be called when a path is processed.

The value which is returned will be used as the start point of the path and potentially clamped depending on the value of the exactStartPoint field. Only used for the Original, Interpolate and NodeConnection modes.

List<GraphNode> connectionBuffer

private

System.Action<GraphNode> connectionBufferAddDelegate

private

Exactness exactEndPoint = Exactness.ClosestOnNode

Exactness exactStartPoint = Exactness.ClosestOnNode

LayerMask mask = -1

bool useGraphRaycasting

bool useRaycasting

Property Documentation

override int Order

get

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The documentation for this class was generated from the following file:

• /Users/arong/Unity/a-pathfinding-project/Assets/AstarPathfindingProject/Modifiers/StartEndModifier.cs