I found a script that does exactly what I need (move layers progressively in PS) but what I don't understand is how to change the movement from the Y axis to the X axis. What in this script is controlling the axis, and how to I change it to move horizontally?
Original: Progressively move layers PSCC 2015
so the change would be
modify these variables to suit your needs.
var moveAmt = -100 ;
var moveCurrent = -100 ;