• Topic:
    Workflow Tips & Expressions
  • Software used:
    After Effects
  • Level:

This tutorial shows an easy way to make automatic rollover effects using fairly simple expressions, within Adobe After Effects.

Download the project

Here is the expression used for the vertical list:

sMax = thisComp.layer("Center").effect("Scale")("Slider");
radius = thisComp.layer("Center").effect("Radius")("Slider");
a = thisComp.layer("Center").transform.position[1];
b = position[1];

l = length(a, b);
s = ease(l, 0, radius, sMax, 100);