Screenshot / Isolated GameObject

Renders a screenshot of a target GameObject with configurable isolation, background, camera angle, and lighting. When isolated=true (default), only the target object is visible via layer-based culling and inactive children of the target are temporarily activated for the render (their OnEnable callbacks may fire — restored in finally, but side effects like audio/network/animation events are not undoable). When isolated=false, the existing scene state is rendered as-is without activating inactive objects. Supports custom multi-light setups via JSON. Returns a base64-encoded PNG.

Camera views

Front (-Z), Back (+Z), Left (-X), Right (+X), Top (+Y), Bottom (-Y). Composite produces a single 2x2 image (Front, Right, Back, Top) where each sub-view uses the requested resolution, so the final image is resolution*2 x resolution*2.

Background modes

• SolidColor — flat color from backgroundColor (hex string).
• Skybox — current scene skybox.
• Transparent — alpha-zero (ARGB32 PNG; useful for compositing).

Lights

lights is an optional JSON array of IsolatedLightConfig objects (type, color, intensity, rotation, position, range, spotAngle, innerSpotAngle, shadows, shadowStrength, bounceIntensity, colorTemperature, cookieSize, cullingMask, renderMode). When null, a default 1.0-intensity white directional light at rotation (50, -30, 0) is used. Empty array [] explicitly disables extra lights.

Side-effect caveat

Isolation temporarily activates inactive child GameObjects so their renderers participate in the cull. Activation state is restored in finally, but OnEnable-triggered side effects (audio, networking, animation events) are not rewindable. Set isolated=false if your scene contains scripts that must not fire OnEnable during the capture.

How to Call

unity-mcp-cli run-tool screenshot-isolated --input '{
  "gameObjectRef": "string_value",
  "includeChildren": "string_value",
  "isolated": "string_value",
  "backgroundMode": "string_value",
  "backgroundColor": "string_value",
  "cameraView": "string_value",
  "fieldOfView": "string_value",
  "nearClipPlane": "string_value",
  "farClipPlane": "string_value",
  "padding": "string_value",
  "lights": "string_value",
  "resolution": "string_value"
}'

For complex input (multi-line strings, code), save the JSON to a file and use:

unity-mcp-cli run-tool screenshot-isolated --input-file args.json

Or pipe via stdin (recommended):

unity-mcp-cli run-tool screenshot-isolated --input-file - <<'EOF'
{"param": "value"}
EOF

Troubleshooting

If unity-mcp-cli is not found, either install it globally (npm install -g unity-mcp-cli) or use npx unity-mcp-cli instead. Read the /unity-initial-setup skill for detailed installation instructions.

Input

Name	Type	Required	Description
gameObjectRef	any	Yes	Reference to the target GameObject (by instanceId, path, or name).
includeChildren	any	No	Include child GameObjects in the render. Default: true.
isolated	any	No	When true, renders only the target object using layer-based culling. When false, renders the full scene from the computed camera position. Default: true.
backgroundMode	any	No	Background mode. Default: SolidColor.
backgroundColor	string	No	Hex background color (e.g. '#404040'). Only used when backgroundMode is SolidColor.
cameraView	any	No	Camera angle relative to the target object's bounding box. Default: Front.
fieldOfView	any	No	Camera vertical field of view in degrees. Default: 60.
nearClipPlane	any	No	Camera near clip plane distance. Default: 0.01.
farClipPlane	any	No	Camera far clip plane distance. Default: 1000.
padding	any	No	Framing multiplier around the object. 1.0 = tight fit, 1.5 = 50% extra space. Default: 1.2.
lights	string	No	JSON array of light configurations. Each object defines type, color, intensity, rotation, position, range, spotAngle, shadows, etc. When null, a default white directional light at rotation (50,-30,0) is used. Example: [{"type":"Directional","color":"#FFF4E5","intensity":1.2,"rotation":[45,-45,0]}]
resolution	any	No	Output image resolution in pixels (width = height). Default: 512.

Input JSON Schema

{
  "type": "object",
  "properties": {
    "gameObjectRef": {
      "$ref": "#/$defs/AIGD.GameObjectRef"
    },
    "includeChildren": {
      "$ref": "#/$defs/System.Boolean"
    },
    "isolated": {
      "$ref": "#/$defs/System.Boolean"
    },
    "backgroundMode": {
      "$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Editor.API.Tool_Screenshot-BackgroundMode"
    },
    "backgroundColor": {
      "type": "string"
    },
    "cameraView": {
      "$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Editor.API.Tool_Screenshot-CameraView"
    },
    "fieldOfView": {
      "$ref": "#/$defs/System.Single"
    },
    "nearClipPlane": {
      "$ref": "#/$defs/System.Single"
    },
    "farClipPlane": {
      "$ref": "#/$defs/System.Single"
    },
    "padding": {
      "$ref": "#/$defs/System.Single"
    },
    "lights": {
      "type": "string"
    },
    "resolution": {
      "$ref": "#/$defs/System.Int32"
    }
  },
  "$defs": {
    "System.Type": {
      "type": "string"
    },
    "AIGD.GameObjectRef": {
      "type": "object",
      "properties": {
        "instanceID": {
          "type": "integer",
          "description": "instanceID of the UnityEngine.Object. If it is '0' and 'path', 'name', 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'. Priority: 1 (Recommended)"
        },
        "path": {
          "type": "string",
          "description": "Path of a GameObject in the hierarchy Sample 'character/hand/finger/particle'. Priority: 2."
        },
        "name": {
          "type": "string",
          "description": "Name of a GameObject in hierarchy. Priority: 3."
        },
        "assetType": {
          "$ref": "#/$defs/System.Type",
          "description": "Type of the asset."
        },
        "assetPath": {
          "type": "string",
          "description": "Path to the asset within the project. Starts with 'Assets/'"
        },
        "assetGuid": {
          "type": "string",
          "description": "Unique identifier for the asset."
        }
      },
      "required": [
        "instanceID"
      ],
      "description": "Find GameObject in opened Prefab or in the active Scene."
    },
    "System.Boolean": {
      "type": "boolean"
    },
    "com.IvanMurzak.Unity.MCP.Editor.API.Tool_Screenshot-BackgroundMode": {
      "type": "string",
      "enum": [
        "SolidColor",
        "Skybox",
        "Transparent"
      ]
    },
    "com.IvanMurzak.Unity.MCP.Editor.API.Tool_Screenshot-CameraView": {
      "type": "string",
      "enum": [
        "Front",
        "Back",
        "Left",
        "Right",
        "Top",
        "Bottom",
        "Composite"
      ]
    },
    "System.Single": {
      "type": "number"
    },
    "System.Int32": {
      "type": "integer"
    }
  },
  "required": [
    "gameObjectRef"
  ]
}

Output

This tool does not return structured output.