# ForceNoMotion

> Don't track motion for SpeedTree models painted on the terrain. Note that models are still rendered in the object motion vector pass, so the CPU performance is similar to `Per Object Motion`.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.6/script-reference/unityengine.md)
* **Assembly:** UnityEngine.TerrainModule

```csharp
ForceNoMotion = 2
```