---
title: falloff
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/clippingprimitivecomponent/feather-swift.struct/falloff-swift.property
---

# falloff

The falloff function used for the feathering computation.

## Declaration

```swift
var falloff: ClippingPrimitiveComponent.Feather.Falloff
```

## See Also

### Configuring the feather effect

- [ClippingPrimitiveComponent.Feather.Falloff](realitykit/clippingprimitivecomponent/feather-swift.struct/falloff-swift.enum.md)
- [fractionPerPositiveEdge](realitykit/clippingprimitivecomponent/feather-swift.struct/fractionperpositiveedge.md)
- [fractionPerNegativeEdge](realitykit/clippingprimitivecomponent/feather-swift.struct/fractionpernegativeedge.md)