289 lines
8.7 KiB
Markdown
289 lines
8.7 KiB
Markdown
---
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name: navigation-agent-set-destination
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description: Set the destination of a `NavMeshAgent` so it pathfinds toward a world-space point. Optionally provide a target GameObject instead of explicit coordinates. The agent must be on a baked NavMesh for a path to be computed (most relevant in play mode).
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metadata:
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generated-by: mcp-plugin-dotnet
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---
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# Navigation / Set Agent Destination
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Set a `NavMeshAgent`'s destination. The agent computes a path across the baked NavMesh and begins moving toward the destination (path computation/movement happens in play mode; in edit mode the destination is still assigned).
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## Inputs
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- `gameObjectRef` — the GameObject hosting the `NavMeshAgent` (required).
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- `destination` — the world-space destination point. Ignored when `targetRef` is provided.
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- `targetRef` — optional GameObject whose position is used as the destination.
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## Behavior
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Resolves the agent, computes the destination (from `targetRef` if given, else `destination`), and — when the agent is active and placed on a NavMesh — calls `SetDestination`. Off the NavMesh (e.g. before baking, in edit mode) it reports the intended destination without mutating, so the call is always safe. Returns `accepted` plus the agent's `hasPath` / `pathPending` state. Runs on the Unity main thread.
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## How to Call
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```bash
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unity-mcp-cli run-tool navigation-agent-set-destination --input '{
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"gameObjectRef": "string_value",
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"destination": "string_value",
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"targetRef": "string_value"
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}'
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```
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> For complex input (multi-line strings, code), save the JSON to a file and use:
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> ```bash
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> unity-mcp-cli run-tool navigation-agent-set-destination --input-file args.json
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> ```
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>
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> Or pipe via stdin (recommended):
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> ```bash
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> unity-mcp-cli run-tool navigation-agent-set-destination --input-file - <<'EOF'
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> {"param": "value"}
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> EOF
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> ```
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### Troubleshooting
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If `unity-mcp-cli` is not found, either install it globally (`npm install -g unity-mcp-cli`) or use `npx unity-mcp-cli` instead.
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Read the /unity-initial-setup skill for detailed installation instructions.
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## Input
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| Name | Type | Required | Description |
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|------|------|----------|-------------|
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| `gameObjectRef` | `any` | Yes | Reference to the GameObject containing the NavMeshAgent component. |
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| `destination` | `any` | No | World-space destination point (ignored when targetRef is provided). |
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| `targetRef` | `any` | No | Optional GameObject whose position is used as the destination. |
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### Input JSON Schema
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```json
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{
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"type": "object",
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"properties": {
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"gameObjectRef": {
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"$ref": "#/$defs/AIGD.GameObjectRef"
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},
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"destination": {
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"$ref": "#/$defs/UnityEngine.Vector3"
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},
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"targetRef": {
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"$ref": "#/$defs/AIGD.GameObjectRef"
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}
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},
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"$defs": {
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"UnityEngine.EntityId": {
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"type": "string",
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"pattern": "^[0-9]+$"
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},
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"System.Type": {
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"type": "string"
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},
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"AIGD.GameObjectRef": {
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"type": "object",
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"properties": {
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"instanceID": {
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"$ref": "#/$defs/UnityEngine.EntityId",
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"description": "instanceID of the UnityEngine.Object. If it is '0' and 'path', 'name', 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'. Priority: 1 (Recommended)"
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},
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"path": {
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"type": "string",
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"description": "Path of a GameObject in the hierarchy Sample 'character/hand/finger/particle'. Priority: 2."
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},
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"name": {
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"type": "string",
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"description": "Name of a GameObject in hierarchy. Priority: 3."
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},
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"assetType": {
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"$ref": "#/$defs/System.Type",
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"description": "Type of the asset."
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},
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"assetPath": {
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"type": "string",
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"description": "Path to the asset within the project. Starts with 'Assets/'"
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},
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"assetGuid": {
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"type": "string",
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"description": "Unique identifier for the asset."
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}
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},
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"required": [
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"instanceID"
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],
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"description": "Find GameObject in opened Prefab or in the active Scene."
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},
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"UnityEngine.Vector3": {
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"type": "object",
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"properties": {
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"x": {
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"type": "number"
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},
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"y": {
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"type": "number"
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},
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"z": {
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"type": "number"
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}
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},
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"required": [
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"x",
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"y",
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"z"
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],
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"additionalProperties": false
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}
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},
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"required": [
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"gameObjectRef"
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]
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}
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```
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## Output
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### Output JSON Schema
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```json
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{
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"type": "object",
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"properties": {
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"result": {
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"$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Editor.API.Tool_Navigation-AgentSetDestinationResponse"
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}
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},
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"$defs": {
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"AIGD.GameObjectRef": {
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"type": "object",
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"properties": {
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"instanceID": {
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"$ref": "#/$defs/UnityEngine.EntityId",
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"description": "instanceID of the UnityEngine.Object. If it is '0' and 'path', 'name', 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'. Priority: 1 (Recommended)"
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},
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"path": {
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"type": "string",
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"description": "Path of a GameObject in the hierarchy Sample 'character/hand/finger/particle'. Priority: 2."
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},
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"name": {
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"type": "string",
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"description": "Name of a GameObject in hierarchy. Priority: 3."
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},
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"assetType": {
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"$ref": "#/$defs/System.Type",
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"description": "Type of the asset."
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},
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"assetPath": {
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"type": "string",
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"description": "Path to the asset within the project. Starts with 'Assets/'"
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},
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"assetGuid": {
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"type": "string",
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"description": "Unique identifier for the asset."
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}
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},
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"required": [
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"instanceID"
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],
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"description": "Find GameObject in opened Prefab or in the active Scene."
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},
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"UnityEngine.EntityId": {
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"type": "string",
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"pattern": "^[0-9]+$"
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},
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"System.Type": {
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"type": "string"
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},
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"AIGD.ComponentRef": {
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"type": "object",
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"properties": {
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"index": {
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"type": "integer",
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"description": "Component 'index' attached to a gameObject. The first index is '0' and that is usually Transform or RectTransform. Priority: 2. Default value is -1."
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},
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"typeName": {
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"type": "string",
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"description": "Component type full name. Sample 'UnityEngine.Transform'. If the gameObject has two components of the same type, the output component is unpredictable. Priority: 3. Default value is null."
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},
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"instanceID": {
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"$ref": "#/$defs/UnityEngine.EntityId",
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"description": "instanceID of the UnityEngine.Object. If this is '0', then it will be used as 'null'."
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}
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},
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"required": [
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"index",
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"instanceID"
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],
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"description": "Component reference. Used to find a Component at GameObject."
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},
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"UnityEngine.Vector3": {
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"type": "object",
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"properties": {
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"x": {
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"type": "number"
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},
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"y": {
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"type": "number"
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},
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"z": {
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"type": "number"
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}
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},
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"required": [
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"x",
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"y",
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"z"
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],
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"additionalProperties": false
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},
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"com.IvanMurzak.Unity.MCP.Editor.API.Tool_Navigation-AgentSetDestinationResponse": {
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"type": "object",
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"properties": {
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"gameObjectRef": {
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"$ref": "#/$defs/AIGD.GameObjectRef",
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"description": "Reference to the NavMeshAgent GameObject."
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},
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"agentRef": {
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"$ref": "#/$defs/AIGD.ComponentRef",
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"description": "Reference to the NavMeshAgent component."
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},
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"destination": {
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"$ref": "#/$defs/UnityEngine.Vector3",
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"description": "The resolved destination point."
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},
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"accepted": {
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"type": "boolean",
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"description": "Whether SetDestination accepted the request (false if the agent is off the NavMesh)."
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},
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"isOnNavMesh": {
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"type": "boolean",
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"description": "Whether the agent is currently on a baked NavMesh."
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},
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"hasPath": {
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"type": "boolean",
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"description": "Whether the agent has a computed path."
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},
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"pathPending": {
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"type": "boolean",
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"description": "Whether a path is still being computed."
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},
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"success": {
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"type": "boolean",
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"description": "Whether the operation succeeded."
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}
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},
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"required": [
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"destination",
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"accepted",
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"isOnNavMesh",
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"hasPath",
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"pathPending",
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"success"
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]
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}
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},
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"required": [
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"result"
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]
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}
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```
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