# radiusScale

> A multiplier Unity applies to the size of each particle before it processes overlaps.

## Definition

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

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

### Remarks

Useful for improving the visual accuracy of overlaps, for example when there is an alpha border in the particle texture. Additional Resources: [ParticleSystem.trigger](/engine/6000.6/script-reference/unityengine/particlesystem/trigger.md).