Challenge 09: Lenticular Card. This challenge was suggested last year by one of the contributors. I finally came across a cool example of it, so let's try! It's a pretty interesting effect - printing multiple images in fine strips, then refracting the light onto the correct ones to form separate images from separate viewing angles. Hopefully this challenge is somewhat more approachable than the previous one.
We'll need to see a rendered sequence for this challenge in order to see what is going on. The attached .abc has the camera animation baked in. Render frame 1 to 50 for final submissions. Single frame renders will not be judged this month.
This months challenge (and the challenges onwards) will be judged by the moderator team. We're a bunch of unbiased shading nerds working at various high-end animation/vfx studios. The deadline for the challenge is 1st of April 2019, 00:00 PCT
A high-res version of this image is included in the package. The reference video is only online as it would require too much bandwidth to distribute. If there's specific demand for the 6K video, I can upload it for those who request it.
The initial scene setup is very straightforward and only takes 5 minutes. It is important that we standardise scene conditions between contributors, so please make sure that you're not setting up the scene differently.
- Download and extract the .zip package.
- Open or load in the alembic, containing the scene geometry and camera.
- Assign a lambertian material to the floor geometry, assign the checker texture map [tex/checker_floor.tif] to the color slot.
- Repeat step 3 for the macbeth chart [tex/macbeth_chart.tif].
- Create an HDRI light and rotate it in these axis: [-25, 204, 13] (xyz respectively).
The default lighting setup should look like the following. (If you DCC's coordinate system is different, just eyeball it. It should be easy enough with a strong directional light like this.)
Please make sure to post renders using this setup. It is allowed to post extra renders using your own light setup. Since the shared light setup is at the core of the challenge, this will be heavily moderated. You've been warned!
What is expected of you?
This month, a rendered sequence (frame 1 to 50) needs to be submitted. The focus of these challenges is on sharing shading knowledge. Explain the shading setup in as much detail as you can be bothered to do. Think of shaders.xyz as a sort of open source project. Please, also share your scene file if possible. This is not a requirement, but would be very nice. About creating extra geometry - just try to think if it would work in a shading pipeline. If you think it would be practical, go for it. I don't want to limit anyone's amazingly capable brains.
Feel free to post WIPs in this thread.
To tag others in a post, use the "@" symbol.
That's all! The winner gets picked by the admin team on the 1st of April, 2019 and will receive an exclusive SHADERS.XYZ t-shirt as well as an invite to become a moderator. Don't forget to motivate others by voting for your favourite submission! Good luck everyone!