There are a few approaches to this, but for me the easiest way would be to:
Create a Straight Line using EP or CV Curve Tool
Apply a Paint Effects Neon onto it
Animate it the way you want
The longest part of this would be the animation.
Chris (formerly R@nSiD)
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When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)