---
title: decay
framework: coreimage
role: symbol
role_heading: Instance Property
path: coreimage/citrianglekaleidoscope/decay
---

# decay

A value that determines how fast the color fades from the center triangle.

## Declaration

```swift
var decay: Float { get set }
```

## See Also

### Instance Properties

- [inputImage](coreimage/citrianglekaleidoscope/inputimage.md)
- [point](coreimage/citrianglekaleidoscope/point.md)
- [rotation](coreimage/citrianglekaleidoscope/rotation.md)
- [size](coreimage/citrianglekaleidoscope/size.md)