(Click the screenshot above to see it full size)
One of the tips that got the students really excited in my class yesterday was that of using The Wiggler in After Effects to simulate bad shock absorbers on an old truck as it drives down a dirt road. The trick is to use empty keyframes. Specifically, you want to:
1. Select the body of the vehicle
2. Set two empty keyframes for the Rotation property
(Set the first keyframe like you normally would by clicking the stopwatch, but set the second one by clicking the "add a keyframe" diamond located at the far left of the layer between the two arrows)
3. Select both keyframes and choose The Wiggler from the Window menu.
4. Change Noise Type to: Jagged // Frequency: 10 // Magnitude: 2
Watch the Magic!
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