unity-navmesh

Development

Bake and query Unity NavMesh — bake/rebake navigation meshes, query paths, and configure bake settings. Use when setting up navigation, baking a NavMesh, testing agent paths, or tuning bake parameters, even if the user just says "导航网格" or "寻路". 烘焙与查询 Unity NavMesh(烘焙/重烘焙导航网格、查询路径、配置烘焙设置);当用户要搭建导航、烘焙 NavMesh、测试 agent 路径或调整烘焙参数时使用。

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How to use this skill

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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/Besty0728/Unity-Skills/blob/HEAD/SkillsForUnity/unity-skills~/skills/navmesh/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/unity-navmesh/. Do not write files or run scripts until I approve.

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

NavMesh Skills

Bake / clear NavMesh data, calculate paths, sample positions, and configure NavMeshAgent / NavMeshObstacle components.

Operating Mode

Approval：查询类 skill（navmesh_calculate_path / navmesh_sample_position / navmesh_get_settings，源码标 SkillMode.SemiAuto）直接执行；变更类（navmesh_bake / navmesh_add_agent / navmesh_set_agent / navmesh_add_obstacle / navmesh_set_obstacle / navmesh_set_area_cost，标 SkillMode.FullAuto）需用户 grant，grant 后服务端一步执行返结果。
Auto / Bypass：所有未被禁列表拦截的 skill 直接执行。
本模块含 Delete 类 skill：navmesh_clear 标记为 SkillOperation.Delete，会被 IsForbiddenInSemi 静态拦截 —— 仅 Bypass 模式或将其加入 Allowlist 才能调用。
navmesh_bake 同步阻塞主线程；大场景可能很慢，调用前提醒用户。

DO NOT (common hallucinations):

navmesh_create does not exist → use navmesh_bake to generate NavMesh
navmesh_add_agent_component / navmesh_set_agent_speed do not exist → use navmesh_add_agent + navmesh_set_agent (convenience wrappers), or component_add/component_set_property for full control
NavMesh must be re-baked after scene geometry changes

Routing:

For NavMeshAgent/NavMeshObstacle components → use component module
For path calculation → navmesh_calculate_path (this module)

Skills

`navmesh_bake`

Bake the NavMesh (Synchronous). Warning: Can be slow. Parameters: None.

`navmesh_clear`

Clear the NavMesh data. Parameters: None.

`navmesh_calculate_path`

Calculate a path between two points. Parameters:

startX, startY, startZ (float): Start position.
endX, endY, endZ (float): End position.
areaMask (int, optional): NavMesh area mask.

Returns: { status, valid, distance, cornerCount, corners }

status: NavMeshPathStatus string (PathComplete / PathPartial / PathInvalid)
valid: true only when status == "PathComplete"
distance: total path length (0 for invalid paths)
cornerCount: number of corner points in corners
corners: array of {x, y, z} waypoints (empty when no path)

`navmesh_add_agent`

Add NavMeshAgent component to an object.

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path

Returns: { success, gameObject }

`navmesh_set_agent`

Set NavMeshAgent properties (speed, acceleration, radius, height, stoppingDistance).

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path
speed	float	No	null	Agent movement speed
acceleration	float	No	null	Agent acceleration
angularSpeed	float	No	null	Agent angular speed
radius	float	No	null	Agent radius
height	float	No	null	Agent height
stoppingDistance	float	No	null	Distance to stop before target

Returns: { success, gameObject, speed, radius }

`navmesh_add_obstacle`

Add NavMeshObstacle component to an object.

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path
carve	bool	No	true	Enable carving

Returns: { success, gameObject, carving }

`navmesh_set_obstacle`

Set NavMeshObstacle properties (shape, size, carving).

Parameter	Type	Required	Default	Description
name	string	No	null	GameObject name
instanceId	int	No	0	GameObject instance ID
path	string	No	null	GameObject hierarchy path
shape	string	No	null	Obstacle shape (e.g. Box, Capsule)
sizeX	float	No	null	Obstacle size X
sizeY	float	No	null	Obstacle size Y
sizeZ	float	No	null	Obstacle size Z
carving	bool	No	null	Enable carving

Returns: { success, gameObject, shape, carving }

`navmesh_sample_position`

Find nearest point on NavMesh.

Parameter	Type	Required	Default	Description
x	float	Yes	-	Source position X
y	float	Yes	-	Source position Y
z	float	Yes	-	Source position Z
maxDistance	float	No	10	Maximum search distance

Returns: { success, found, point: { x, y, z }, distance }

`navmesh_set_area_cost`

Set area traversal cost.

Parameter	Type	Required	Default	Description
areaIndex	int	Yes	-	NavMesh area index
cost	float	Yes	-	Traversal cost value

Returns: { success, areaIndex, cost }

`navmesh_get_settings`

Get NavMesh build settings.

Parameters: None.

Returns: { success, agentRadius, agentHeight, agentSlope, agentClimb }

Exact Signatures

Exact names, parameters, defaults, and returns are defined by GET /skills/schema or unity_skills.get_skill_schema(), not by this file.