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AE Advanced Light Painting w/ Red Giant

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Trevor Mowry
AE Advanced Light Painting w/ Red Giant
on May 31, 2019 at 6:34:09 pm

I've been attempting to do a light painting effect on some footage of a baton twirler. Unlike a point emitter and doing a streaklet effect with Particular, I want to mimic the effect you see in Pixelstick ads ( http://www.thepixelstick.com/img/slider/abstract4.jpg ) In this case, the entire shaft of the baton acting as an emitter.
I thought this would be pretty simple using a layer emitter or a box emitter in particular but it has proven to be not so straight forward. I tried doing a box emitter and manually transforming with the baton. Created a beam effect that was tracked to the twirling motion and used that as a layer emitter. Neither has yielded good results. I would need to generate an absurd amount of particles. I also have licenses for Mir, Form, and 3D stroke, although I'm largely unfamiliar with them and don't know how to properly tool them for this effect.

Results so far:
Box Emitter: https://www.dropbox.com/s/j6txf0on7s1r65m/Ex_BoxEmitter.mp4?dl=0
Layer Emitter: https://www.dropbox.com/s/q9wphbevfy9fx8g/Ex_LayerEmitter.mp4?dl=0


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Garrett Appleton
Re: AE Advanced Light Painting w/ Red Giant
on Jun 3, 2019 at 12:50:48 pm

You might want to try using Saber from videocopilot.net as the base for your animation. You can apply it to a shape mask or use the default two point vectors and apply a lot of force motion blur. Its free and a super helpful tool

https://www.videocopilot.net/tutorials/saber_plug-in/


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Trevor Mowry
Re: AE Advanced Light Painting w/ Red Giant
on Jun 3, 2019 at 4:41:13 pm

Using a combination of the Echo effect and the Saber, plugin, it's looking MUCH better. One thing I can't get quite right is the solid line at the point of origin. I want the entirety of the echo to remain on screen but I don't want that bar. So maybe I can keyframe the decay? Not sure.

Examples
Echo: https://www.dropbox.com/s/g380nzs2c7jlot8/Ex_Echo.mp4?dl=0
Solid Bar: https://www.dropbox.com/s/y91c9wa0mqkirgt/Ex_SolidBar.mp4?dl=0

Echo Settings:


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