# SimulationOption

> An enumerator that specifies physics simulation options.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.PhysicsModule

```csharp
public enum SimulationOption : ushort
```

## Fields

| Value                                                                                                  | Description                                                                                                                               |
| ------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------- |
| [All](/engine/6000.0/script-reference/unityengine/simulationoption/all.md)                             | Shorthand for all [SimulationOption](/engine/6000.0/script-reference/unityengine/simulationoption.md) flags.                              |
| [IgnoreEmptyScenes](/engine/6000.0/script-reference/unityengine/simulationoption/ignoreemptyscenes.md) | Define whether or not to skip the simulation if there are no active physics objects in the scene.                                         |
| [None](/engine/6000.0/script-reference/unityengine/simulationoption/none.md)                           | Shorthand for no [SimulationOption](/engine/6000.0/script-reference/unityengine/simulationoption.md) flags.                               |
| [SyncTransforms](/engine/6000.0/script-reference/unityengine/simulationoption/synctransforms.md)       | Define whether or not to sync modified [Transform](/engine/6000.0/script-reference/unityengine/transform.md) poses to the physics system. |