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Lighting and electricity VFX

Created at July 17, 2010
Created by Nathan Letwory
Deadline Not set
Shots given 1
Wreckupations 3D Artist, Concept / Storyboard Artist, VFX / SFX Artist, Software Developer
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Manuel Geissinger My idea
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Description

* come up with ways to let artists create lighting bolts easily, have them manage them and vary them
* come up with ways to visualize electricity flows (crackles and such), ie along wiring, also managing, varying them, using them in scenes.


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Manuel Geissinger August 03, 2010 17:42 1 Thumb-up
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My idea

I would go for this almost 100% via compositing nodes.

The idea:
- Have the lightning and electricity as shadeless pathes on a seperate render layer. Pathes are easy to create, animate, and dont increase polycount. Alternatively use particle hair.
- the electricity look is easy to generate then via nodes
- the light emitted from lightning has to be generated seperately via light sources.

I'll try a .blend as soon as I find some time, then see if this is a good way.

Here's a very quick first test. Must be improved muchly, but I think particle hair and nodes are definitly the way to go:

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Comments

Manuel Geissinger August 10, 2010 20:00 Flag

@Mat: yeah, this is great. I think this is going into the proper direction!

Nathan Letwory August 09, 2010 15:09 Flag

Mats, that looks indeed pretty cool. Do add it also as a shot instead of just a comment :)

Mats Holmberg August 09, 2010 14:13 Flag

Using particles is probably ok, but we need tools to control the particle flow better. Using some kind of a guide path could work, but additional effects are needed to be built on top of the general movement dictated by the path.

Below is a quick test, using a guide path coupled with softbody and wind:
http://www.artflow.fi/movies/lightning.mov

Nathan Letwory August 04, 2010 10:32 Flag

Nice start. For electricity transfer I was thinking of a traveling crackle.

As a tool for doing electricity/lightning I'd envision a way to tell begin and end point for a crackle or lightning and how fast it would travel. Also some parameters to control the look of the bolt would be present. A way to assign textures probably is needed too.

Manuel Geissinger August 03, 2010 17:44 Flag

Just thought about it again, they maybe dont even have to be on a seperate layer, but can be given an object index. This will cause less trouble with z-rendering.

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