---
title: negativeEdgeInset
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/clippingcomponent/featherededge-swift.struct/negativeedgeinset
---

# negativeEdgeInset

The distance from each negative edge (-X, -Y, -Z) of the clip bounds over which opacity fades to 0, expressed in local coordinate space units.

## Declaration

```swift
var negativeEdgeInset: SIMD3<Float>
```

## Discussion

Discussion Values range from 0.0 to the half-extent of the bounding box on each axis. For example: 0.0 means no feathering on that edge. An inset distance  value of 2.0 on X axis  creates a 2-unit feather zone inward from the -X edge.

## See Also

### Configuring edge insets

- [positiveEdgeInset](realitykit/clippingcomponent/featherededge-swift.struct/positiveedgeinset.md)