How to create elastic animated blobs in After Effects

Published: 08 January 2019
on channel: Michael Bullo

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272

Learn how to simulate gelatinous objects that interact with one another in After Effects. Details below...
Patreon: / michaelbullo

By default After Effects layers act independently. This tutorial shows how to simulate gelatinous objects that interact with one another as they move around. Three examples are explored with animations that progressively increase in complexity.

TIMELINE
0:00 - Introduction
Demo of what will be built in this lesson

0:34 - Building demo of separating blobs
Create two circles as separate shape layers
Add Adjustment layer above the shape layers
To the Adjustment layer, add...
- Gaussian Blur - Blurriness: 161
- Simple Choker - Choke Matte: 37
Animate position of one of the circles

4:48 - Blobs separating with an elastic snap
Editing position using the Edit Speed Graph option within the Graph Editor

7:03 - Blobs separating with an elastic snap and wiggle
The motion between the two blobs is achieved by having Blob 2 parented to a null object that moves. This then allows the following code to be directly applied to the position of Blob 2...

******************* CODE *******************
timeToStopWiggling = 0.8;

if (time "LEFT ANGLED BRACKET" timeToStopWiggling) {
wiggle(15,30);
} else {
value;
}
******************* CODE *******************

* To be able to add the above code to an element, Option(Mac)/Alt(Windows) + click on the stopwatch icon next to Position.
** Replace the phrase "LEFT ANGLED BRACKET" with an actual left angled bracket. YouTube doesn't allow this character to be included in a video description.

DOWNLOADS (ZIP file)
https://www.dropbox.com/s/8u04q9gr603...
Above ZIP file contains...
- blobs-separating.aep - After Effects file used in this lesson
- 01-blobs-separating-regular.mp4 - Example movie
- 02-blobs-separating-elastic.mp4 - Example movie
- 03-blobs-separating-elastic-wiggle.mp4 - Example movie

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