95 lines
2.7 KiB
Markdown
95 lines
2.7 KiB
Markdown
---
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name: probuilder-set-pivot
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description: Move the pivot (origin) of a `ProBuilderMesh` without shifting the visible geometry. Choose `Center` (mesh bounds), `FirstVertex`, or `Custom` (world-space position). The mesh data is rebaked so the visual position stays fixed.
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metadata:
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generated-by: mcp-plugin-dotnet
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---
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# Set the pivot point of a ProBuilder mesh
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Move the pivot (origin) of a `ProBuilderMesh` without shifting the visible geometry. The mesh data is rebaked so the visual position stays fixed while the GameObject's transform origin moves to the new pivot.
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## Inputs
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- `gameObjectRef` — the GameObject hosting the `ProBuilderMesh` component.
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- `pivotLocation` — `MeshPivotLocation` enum: `Center` (mesh bounds center), `FirstVertex`, or `Custom`.
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- `customPosition` — required when `pivotLocation = Custom`. World-space pivot position.
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## Examples
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- Center the pivot: `pivotLocation=Center`.
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- Set pivot to first vertex: `pivotLocation=FirstVertex`.
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- Set custom pivot: `pivotLocation=Custom`, `customPosition=(0, 0, 0)`.
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## Behavior
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The mesh is rebuilt (`ToMesh` → `Refresh`), dirty-flagged, and the Editor repaints. The whole call 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 probuilder-set-pivot --input '{
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"gameObjectRef": "string_value",
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"pivotLocation": "string_value",
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"customPosition": "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 probuilder-set-pivot --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 probuilder-set-pivot --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` | `string` | Yes | Reference to the GameObject with a ProBuilderMesh component. RQL: GameObjectRef |
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| `pivotLocation` | `string` | No | Where to place the pivot. |
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| `customPosition` | `string` | No | Custom world position for pivot (only used when pivotLocation=Custom). RQL: Vector3 |
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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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"type": "string"
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},
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"pivotLocation": {
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"type": "string",
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"enum": [
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"Center",
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"FirstVertex",
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"Custom"
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]
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},
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"customPosition": {
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"type": "string"
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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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This tool does not return structured output.
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