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epiLight (Lighting Rigs)

Other epiLight (Lighting Rigs)

Epi.4P.4S.1D.01.png

Lighting rigs made with VR and photography in mind

Showcased in epiTemplateLite, a scene/tool optimized for Creators, with an interface for VR and desktop, and a selection of multiple performance/quality levels. epiTemplateLite is aimed at creators so that they can quickly incorporate this system into their scenes, giving them control of the lighting rigs on the desktop, or with a tablet in their VR hand.

What this package is
  • These are multiple lighting rigs for different performance levels.
  • They are designed to light the subject model in 360 degrees so that you can walk around in room scale.
  • They are designed to be color neutral.

How to install
  • Place the included var file in your AddonPackages folder under VAM.

How to use
  • Add empty SubScene atom at the subject models feet (for the default scene, x=0, y=0, z=0).
  • Load one of these.
  • Because the design is in 360-degrees, you can simply rotate a rig to get a different aesthetic.
  • The "4SpotsWide" preset covers a wide area and should work with most scenes out-of-the-box. If you want to use a smaller number of lights and forgo the environment to improve performance, link the epiLight SubScene's position to the main character's chestControl. That way, even if she walks an infinite distance and you only use 2-3 spotlights, she will be well-lit 360 degrees. A demo scene with this method is included.
LightingFixed.jpg

This pairs well with epiGI

There are head, chest, and abdomen versions of the main lighting rigs for ease of use.
  1. All 10 setups have corresponding "chest" versions. Place it on the chest (around 1400 Y position), lock it's position to the chest and it just works.
  2. All 10 setups have corresponding "head" versions. Place it on the head (around 1730 Y position), lock it's position to the chest and it just works.
  3. All 10 setups have corresponding "abdomen" versions. Place it on the abdomen (around 1130 Y position), lock it's position to the chest and it just works.
The head, chest, and abdomen versions of the lighting rigs are only for ease of use. There is no difference in the final picture between Epi2Spots at 0-0-0, Epi2SpotsAbdomen at 0-1130-0, Epi2SpotsChest at 0-1400-0, or Epi2SpotsBHead at 0-1730-0. They are designed to be color-neutral drop-in replacements for rigs with subscenes placed around these heights, like rigs by n00rp or MonsterShinkai.

Because these lighting rigs are neutral, they are similar to using flat listening monitors in a recording studio. You can tweak details like the final skin color tone better with these. You can add color to the lights after you're done editing the look. For example, you could pick opposing lights, make the weak one a bit more teal, and the brighter one a bit more orange, to give the scene some color contrast.

You lock the position (not rotation) of these lighting rig subscenes to the character, she's properly lit all the time. If you want the best performance, you turn off the room and the floor, add a slate atom for physics but hide the material, and you only have a female character on screen.

360-degrees.jpg

360 degrees lighting for room scale VR

Credits
MeshedVR for the original 3-point lighting rig for VAM and the hair used in the demo scene.
KittyMocap for the animation in the walking demo scene.
Everlaster for the Lumination plugin which makes editing lighting rigs so much easier.
NoStage for the hair in the demo scenes.

License
The animation by KittyMocap in the walking demo scene is CC BY-NC-SA. That is why the package also is CC BY-NC-SA. If you're a Patreon creator, you can still use my lighting rigs (CC BY-SA).


Demo Videos























































The first video uses 4 points wide (the new rig). The lights are fixed in place thus the environment doesn't get a variable amount of light depending on where she is, the prop shadows do not move when she moves. But this requires more GPU power. It's a new light rig designed for those who create videos with VaM and need to light everything in a wider area.

The second video uses only 2 spotlights that follow her chest position. It runs fast and still lights her in 360 degrees. It's designed for those who use VaM in VR and need the best performance. It's best to use it in an empty room which also improves performance anyway.

The rest of the lighting rigs fall between these two. If I use 4 lights, I dim the exposure. If I use 2 lights, I don't touch it. 4 spots following the chest position, or 4 spots wide fixed in place are the sweet spots for me. The third video uses a such a rig (4 spots).

Video credits:
• ReignMocap for the animation.
• SuperSamoth for porting the art assets to VaM.
• TGC for porting the environment to VaM.
• Molmark for the statue textures.
Epi.Suki look credits for the last video.

Epi4SpotsWide2Points.jpg


Additional performance tips
If you don't see any performance difference between 2-spots and 4-points, your performance is CPU limited.
a. If you get great performance, just go with the best looking setting possible.
b. If you get insufficient performance even with 2-spots, try lowering physics related settings. Switching soft physics and advanced colliders off for a dance scene can double or even triple your performance. Using clothing and hair presets that look good without having to enable sim physics can further enhance your performance.

In the end, you can get something that actually looks better (because it uses better lighting) but also runs faster by finding the optimal setting for your setup and the scene.

The same goes for the room. Mirrors and similar reflective surfaces are rarely worth the performance cost. Instead of a room that looks mediocre but has reflections on the floor, you can have a room that looks great an runs better because it forgoes reflections.

If you are very CPU bound, and the scene is designed around soft physics in a way that the lips do not look right if you switch soft physics off, upgrading might be your only option. Game physics engines, especially older ones like the one in VaM perform better with CPUs that have high single thread performance. Instead of a CPU with 24 threads but lower single thread performance, go with a CPU that has 8 cores but better single thread performance.
Author
epi.noah
Downloads
419,163
Views
419,163
Dependencies
1
Packages
1
Total Size
4.4 MB
Version
2023-01-06
First release
Last update
Rating
5.00 star(s) 10 ratings

More resources from epi.noah

Click the links below to support the other creators whose content was used to make this resource!

Latest updates

  1. epiTemplate: New lights, a tablet in your VR hand to control them

    The new lighting rigs that are being used in epiTemplate and epiTemplateLite have been added to...
  2. New rigs, updated demo scenes

    2 new rigs that aim to better light the character even when she moves out of the center. None of...
  3. New rig, demo videos

    The first video uses 4 points wide (the new rig). The lights are fixed in place thus the...

Latest reviews

This rocks! Just what I was looking for and not complicated! Thank you for all your hard work.
Upvote 0
I know I may actually rate too much, bud dude I greatly appreciate the talent and time cost put into all your items - there's so much that has to go into all these epi uploads and I'm ecstatic and grateful you're willing to share this all with us man ty ty ty!
epi.noah
epi.noah
Thank you, I appreciate it :)
Upvote 0
I'm still wrapping my head around the entire epiUniverse of files, but I greatly appreciate your work (and explanations!) on VR performance vs. high-quality "photography". Many thanks for your contributions to the community!
epi.noah
epi.noah
Thank you for the review :)
Upvote 0
best lighting, i use it all the time
Upvote 0
Very nice! Thank you!
Upvote 0
Great rigs mate, i use them alot thx!
Upvote 0
The new VR 360 Light Sub Scenes are great! Thanks!
epi.noah
epi.noah
Thank you for the review!!
Upvote 0
Thank you for the update without your lights my models would not look the ways they do thank you.
epi.noah
epi.noah
Thank you for the nice review!
Upvote 0
Thank you
Upvote 0
Thanks, I will try these out. I am always looking for good lighting in Vam for design work, these look like they should do the trick. Thanks.
epi.noah
epi.noah
I'd say 3p or 3p+ for photography; 4p (ultra), 3s1p (high), 4s (medium) or 2s1d (low) for VR depending on the performance level of your hardware. 3p and 3p+ look as good as 4p for still photos (if not better) but 4p looks better if you wanna also move behind the model and check the subject from the back. 4s might be the quality/performance winner as it's based on spot lights.
Upvote 0
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