Unanswered Questions
4,021 questions with no upvoted or accepted answers
8
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0
answers
303
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how to write a custom projection type?
Is it possible to create a lens shader with EEVEE/Cycles ?
I'd like to have the control over the camera position and the ray direction per sample. This allows to simulate various conventional lens ...
- 60.3k
6
votes
1
answer
4k
views
Separate alpha from color in Shader Editor
In the Shader Editor, I can create an RGB node and in there, I can set an alpha value as displayed in this screenshot:
However, no color separation node in blender supports extracting that value and ...
CommunityBot
- 1
5
votes
0
answers
154
views
Flat shading when using displacement or bump
When using a bump or displacement node and bump only or displacement and bump in the material settings, the shade smooth option seems to not be working. Instead the geometry starts to show, auto ...
- 51
5
votes
0
answers
322
views
Custom shader script in compositor (de-linearize depth buffer)
Some months ago I wrote a minimal opengl 2.5d game engine with pre-rendered backgrounds (such old Resident evil, Alone in the dark and Final fantasy games). Depth is managed through a grayscale image ...
- 3,072
5
votes
1
answer
909
views
get this gradient style in blender
I'm trying to get this gradient style:
My best result are with eevee with volumetric and gradient on a metaball, but i cannot figure out how to get the gradient fill the totally of the metaballs like ...
CommunityBot
- 1
5
votes
1
answer
2k
views
How to bake two objects (an item and a shrink-wrapped decal on it) into one texture image?
I'm very very new to blender and have been searching on how to do this for a while now to no avail, please forgive me if I'm posting a simple/answered question.
I am making a very simple mask that ...
CommunityBot
- 1
5
votes
0
answers
698
views
Control image texture source from outside node group
I'm working on turning a cavity node setup I found online into a node group I can append to my blender files.
The setup uses several mapping nodes (that I already converted to math nodes so the ...
5
votes
0
answers
687
views
Particle Instance Modifier : colour each instance based on the emitter texture (like Hair strands materials do)
In cycles, with particle hair strands, I can get the colour from the texture of the emitter object for colouring the entire strand.
When I use the "Particle Instance" modifier on a mesh (a simple ...
- 395
5
votes
1
answer
581
views
Why Cloud texture has square cell pattern?
When I am using Cloud texture as bump map in Blender Render, this cells appear. How can I make them go away?
CommunityBot
- 1
5
votes
0
answers
2k
views
Differences between Principled and Beckman Glass BSDF
Comparing Cycles renders of a glass bowl, I see a color shift and an angle shift when switching between Principled BSDF shader and Glass BSDF (Beckman) shader.
Is anyone aware of other differences?
...
- 59
5
votes
0
answers
2k
views
nVidia skin shader with the Principled BSDF
I've been using a skin shader primarily based on the Brecht skin shader, which is itself based on the Sum-of-Gaussians approach as seen in 14.4.7 from GPU Gems by nVidia. Its Cycles adaptation, which ...
- 51
4
votes
0
answers
29
views
translucent white resin with embeddings - material
I need to make a volumetric translucent material, possibly working in EEVEE.
It is a white semi-translucent resin with objects embedded.
The embedded objects are more visible near to the surface of ...
- 41
4
votes
0
answers
218
views
Migrating geometry shaders to Metal
I'm working on BlenderBIM (architecture addon for Blender) and we have a bunch of shaders to support plan annotations in viewports. Mainly it's simple shapes based of lines - lines, segment based ...
- 456
4
votes
0
answers
377
views
Drawing non-polyline smoothed lines with `gpu` module
Backstory:
Since bgl module will soon to be deprecated and it's doesn't work on Metal already I was trying to move code to gpu ...
- 869
4
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0
answers
397
views
Is there a way to overwrite Blender's 16K limit for environment textures?
I'm rendering a planet in space. NASA has gorgeous equirectangular JPGs of the Milky Way up to 65K. I plugged in the 16K version and the render has blurry stars. To get them pin point I tried to load ...
- 298