Ease-in-ease-out pacing, which causes an animation to begin slowly, accelerate through the middle of its duration, and then slow again before completing.
- iOS 2.0+
- macOS 10.5+
- tvOS 9.0+
- Core Animation
This is a Bézier timing function with the control points (0.42,0.0) and (0.58,1.0).
Listing 1 shows how to create a basic animation object using ease-in-ease-out interpolation.
A layer animated with the animation created by the code above and with linearly interpolated horizontal movement would describe a path similar to Figure 1.