---
title: ComputeGraphComponent.SimulationState.playing
framework: realitykit
role: symbol
role_heading: Case
platforms: [iOS 27.0+, iPadOS 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: realitykit/computegraphcomponent/simulationstate/playing
---

# ComputeGraphComponent.SimulationState.playing

The simulation advances each frame at its configured rate.

## Declaration

```swift
case playing
```