I have a stroke effect animating a line drawn from a mask. At the tip of that line I would like to have a glow/object that is leaving the line as a trail.
Is there a way to parent a null object to the position of the "tip" of the line? I was thinking if there was an expression or something that can translate the End Value % (in the stroke effect) to an actual position in the comp, then that would be easy to do.
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