# arc

> Angle of the circle arc to emit particles from.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.5/script-reference/unityengine.md)
* **Assembly:** UnityEngine.ParticleSystemModule

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

### Remarks

Note that you should specify the value in degrees. Additional Resources: [ParticleSystem.ShapeModule.shapeType](/engine/6000.5/script-reference/unityengine/particlesystem/shapemodule/shapetype.md).