Ease and Wizz is a set of expressions for After Effects that give you more ways to interpolate between values. The obvious use is in motion, but they can be used on animated properties of any kind. They’re applied with an After Effects-ish palette that can be docked, so it’s very easy to use.
A while back, Flash guru Robert Penner created a suite of extremely useful easing equations that have been used to build thousands of websites worldwide. I’ve adapted these equations to work as expressions in After Effects (for an introduction to After Effects expressions, check out Dan Ebberts’ excellent site).
One advantage of using an expression for easing is that the keyframes are editable. You can drag objects in the comp viewer, or move keyframes in the timeline, and the easing will be updated immediately.
2.5.0 (Current version) – Nov 13, 2016
[NEW] Multi-easing types. You can have two easing types on one property, e.g. Expo Out, then Back Out – in one expression. The easing only applies to the first two and last two keyframes on the property, other keyframes use the values from the timeline. You can use After Effects’ built-in easing for these intermediate keys.
The new easing combinations are:
- Expo out, Expo in
- Expo in, Expo out
- Back out, Expo in
- Back out, Back in
- Elastic out, Back in
- Elastic out, Expo in
- Bounce out, Expo in
These are just combinations that I find useful. You can combine any two easing types by manually by editing the expression; see comments in the code for more.
Note that multi-easing types don’t work with Curvaceous.
[FIXED] Updated templates for Curvaceous “Start & End” and “All Keyframes”, which weren’t working as they should.
[CHANGED] Made the list type a little wider, so it’s easier to read with the multi-easing types.
[CHANGED] Changed naming convention for expression file names, e.g. “inExpo” to “expo-in”, so they’re easier to read and more consistent.
[CHANGED] Removed reference to “aeExpo” from the source code since we’re not using it … I’ll put it in there one day.
[CHANGED] Other code fixes and general beautification.
code : https://docs.google.com/document/d/1KDjXCYHxfD_rTNsJyWc_LbVp4ulfcTiu3Hpqd1MnA2w/edit
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