Target Opacity Illustrator Script

Overview & Description

This function will iterate over a set of objects and set their opacity values to gradually change so that the last object in the selection (in terms of layer order) will have its opacity set to the target value. The initial opacity value will be taken from the top-most object in the selection (in terms of layer order).

Example Settings & Result

Let’s say you have a series of 6 squares next to each other. The top-most square in the layer stack is on the left and the bottom-most square is on the right. The first square has a 100% opacity and the rest of them have random opacities. If you select all these squares and set the target opacity to be 0%, here is what the result would be:

Square 1: Unchanged.
Square 2: 80% Opacity
Square 3: 60% Opacity
Square 4: 40% Opacity
Square 5: 20% Opacity
Square 6: 0% Opacity

You can see that as Randomill iterated through the squares, it decreased the opacity of each square in equal increments until the last square was set to the target value.