NavMesh

class in UnityEngine.AI

Description

Singleton class to access the baked NavMesh.

The NavMesh is a class that can be used to do spatial queries, like pathfinding and walkability tests, set the pathfinding cost for specific area types, and to tweak global behavior of pathfinding and avoidance.

In order to use the spatial queries, you need to first bake NavMesh for your Scene.

See also:
• Building a NavMesh – for more information on how to setup and bake NavMesh
• Areas and Costs – to learn how to use different Area types.
• NavMeshAgent – to learn how to control and move NavMesh Agents.
• NavMeshObstacle – to learn how to control NavMesh Obstacles using scripting.
• OffMeshLink – to learn how to control Off-Mesh Links using scripting.

Static Properties

AllAreas	Area mask constant that includes all NavMesh areas.
avoidancePredictionTime	Describes how far in the future the agents predict collisions for avoidance.
onPreUpdate	Set a function to be called before the NavMesh is updated during the frame update execution.
pathfindingIterationsPerFrame	The maximum amount of nodes processed each frame in the asynchronous pathfinding process.

Static Methods

AddLink	Adds a link to the NavMesh. The link is described by the NavMeshLinkData struct.
AddNavMeshData	Adds the specified NavMeshData to the game.
CalculatePath	Calculate a path between two points and store the resulting path.
CalculateTriangulation	Calculates triangulation of the current navmesh.
CreateSettings	Creates and returns a new entry of NavMesh build settings available for runtime NavMesh building.
FindClosestEdge	Locate the closest NavMesh edge from a point on the NavMesh.
GetAreaCost	Gets the cost for path finding over geometry of the area type.
GetAreaFromName	Returns the area index for a named NavMesh area type.
GetSettingsByID	Returns an existing entry of NavMesh build settings.
GetSettingsByIndex	Returns an existing entry of NavMesh build settings by its ordered index.
GetSettingsCount	Returns the number of registered NavMesh build settings.
GetSettingsNameFromID	Returns the name associated with the NavMesh build settings matching the provided agent type ID.
Raycast	Trace a line between two points on the NavMesh.
RemoveAllNavMeshData	Removes all NavMesh surfaces and links from the game.
RemoveLink	Removes a link from the NavMesh.
RemoveNavMeshData	Removes the specified NavMeshDataInstance from the game, making it unavailable for agents and queries.
RemoveSettings	Removes the build settings matching the agent type ID.
SamplePosition	Finds the closest point on NavMesh within specified range.
SetAreaCost	Sets the cost for finding path over geometry of the area type on all agents.

Delegates

OnNavMeshPreUpdate

A delegate which can be used to register callback methods to be invoked before the NavMesh system updates.

Scripting API

NavMesh

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Description

Static Properties

Static Methods

Delegates