Aharon Rabinowitz posts a new tutorial for After Effects and Trapcode Particular the Red Giant Quicktip #25 by Harry Frank which shows how to use expressions for aligning particular motion paths.
Red Giant QuickTip #25: Aligning Particular Motion Paths from Red Giant Software on Vimeo.
“Motion paths in Particular can be tricky. Harry Frank brings you this overview of how to set them up, and a foolproof way to align the spline in 3D space with a simple expression.”
