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You can see here my initial test, I Implemented Manhattan voronoi just a single layer. So and since we work in world space as well as whatever space, we can make edges of mesh have flawless seams since we are not working in UV space.
The small dotted points and the larger irregular pattern splats seen on 3&4 are also volumetric and need no UVs or anything from the mesh, we simply just setup a cube field and it is as simple as building a polygon, anywhere, in any angle and we get nice uniform chunks of "whatever"
In essence we see intersections of irregular volumetric hardsurfaces. You have to imagine the entire universe is populated with intersecting random straight edge voronoi finite elements and we simply trace the very point these "boxes" touches the surface which is why it looks neat and fine on the pedistal. There are no distortions, no scale issues. the construct simply just samples these interseting voronoi shapes a different place in the volume than the floor.
Hope that makes sense.
The manhattan voronoi is just 1 out of many types of greeble tendencies we can layer, so what you see is a banal technical example.
This worksflow is completly impossible with JDisplacment.
(ill send over a scene tomorrow with JDisplacement maps however, with the shadow edges as seen in my gif, the irregular splats, the dots, and then you can take it from there, its very easy, the only thing that takes a bit of work, is to sit and flip around these bitmaps in UVW space, so the right details apear on thin edges and so forth but that should be logic already. )
Stay tuned.
Attached a zip file with the max file and texture.
- You operate the "sun" like normal, change direction and the tracing of the shadow will follow, note angle is 0 on sun to avoid penumbra and increased edge size detection.
There are some mixing tricks in here, adding things into the shadows correctly and using things to bias inputs.
I added 2 custom OSL nodes, the manhattan voronoi and a FBM Smoke which helps producing certain artifacts.
The larger splats on the surfaces is generated with detecting spheres intersection with surface ( exactly like the mahnattan voronoi in a 3d field ) - and then distort their uniform looks with an irregular perlin noise.
I trust this covers most of the basics of the 3&4 shader.
Use the bitmap nodes scale to scale the texture, and use the UVW map modifier gizoms to move texture coords around to get different patterns going on misc assets.
With that I'll look at making JDisplacement look like a very unattractive and outdated application down the road.
( open the noodle fullscreen )
Note, all these nodes can be compiled down to just 2!
an arnold node, and a master Toon shader you just plug in? and EVERYTHING is set up completly automatically.
The power of OSL.
Note you can easily comp the layers, or overlay them, I put in both examples in the file, this way you can make the large splats either sit on top of everything, or simply just be added up and blend in, you got full control. that is up to you.
If you got some issues understanding the blending.
Well just say, then I can add in another OSL node that makes it very simple where we simply use a Layer node and stack all the bits and bobs like a photoshop documents.
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