---
title: falloff
product: Unity Editor
version: '7000.0'
latest_version: '7000.0'
status: This page documents version 7000.0. The latest version is 7000.0.
canonical: https://docs.unity.com/en-us/engine/7000.0/script-reference/unityeditor/terraintools/terrainsculptsettings/falloff
latest_url: https://docs.unity.com/en-us/engine/7000.0/script-reference/unityeditor/terraintools/terrainsculptsettings/falloff.md
last_updated: 2026-10-20
generated_at: 2026-11-12T01:48:36.670Z
locale: en-us
---

# falloff

> The fraction of the region, from 0 to 1, over which the change fades at its edge. See TerrainRegion.GetWeight. Cannot be combined with TerrainSculptSettings.blendDistance.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.TerrainTools](/engine/7000.0/script-reference/unityeditor/terraintools.md)
* **Assembly:** UnityEditor

```csharp
public float falloff { get; set; }
```