---
title: easeIn
framework: realitykit
role: symbol
role_heading: Type Property
path: realitykit/animationtimingfunction/easein
---

# easeIn

A timing function that produces a gradual starting transition.

## Declaration

```swift
static var easeIn: AnimationTimingFunction { get }
```

## See Also

### Creating timing functions

- [default](realitykit/animationtimingfunction/default.md)
- [easeInOut](realitykit/animationtimingfunction/easeinout.md)
- [easeOut](realitykit/animationtimingfunction/easeout.md)
- [linear](realitykit/animationtimingfunction/linear.md)
- [cubicBezier(controlPoint1:controlPoint2:)](realitykit/animationtimingfunction/cubicbezier(controlpoint1:controlpoint2:).md)