User Guide

Using Help | Contents | Index Back 263
Adobe After Effects Help Creating Expressions
Using Help | Contents | Index Back 263
Number or Array wiggle(freq, amp, octaves=1, amp_mult=.5, t=time) {freq, amp, octaves,
amp_mult, and t are numbers} Randomly shakes (wiggles) the value of the property. Freq is
calculated in wiggles per second, amp is calculated in units of the property to which it is
applied, octaves is the number of octaves of noise to add together, amp_mult is the
amount that amp is multiplied by for each octave, and t is the base start time. For example,
“position.wiggle(7, 30, 3)”.