Unanswered Questions
7,111 questions with no upvoted or accepted answers
8
votes
0
answers
303
views
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 ...
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 ...
6
votes
3
answers
46k
views
Is there a way I can make a hollow object solid?
Yesterday i managed to create this shape that is similar to a teardrop.
Front view:
Side view:
I then mirrored it on the Z axis using the mirror modifier like this:
But the shape is hollow from ...
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 ...
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 ...
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 ...
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
1
answer
2k
views
Apply face normal orientation to object Local Pivot Point orientation?
Is there a simple way to "apply" a custom transform orientation to an objects pivot?
The purpose is to set the faces normal as the new pivot of the object.
Duarte Farrajota Ramos' cube merge trick ...
5
votes
0
answers
152
views
is there any way to get to velocity of a fluid and use it in the cycle material editor
I'm trying to use flip fluids to make lava is there any way to use the motion blur vectors, or get the velocity to mix a material. or in the script editor is there anyway to drive that.
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 ...
5
votes
1
answer
625
views
Is possible to generate a preview material from python?
I would like to generate the preview of a list of materials. I could create a sphere and apply the material, render and save it in a loop, but what I would like is to use the internal functionality of ...
5
votes
1
answer
466
views
Wrapped packaging model?
I want to make a plastic wrapped packaging as shown in the photo. its wrapped and folds on sides towards the back and overleaps.
where should i start? I tried playing around with vertices in edit ...
5
votes
1
answer
2k
views
ANT Landscape erode option?
I have just updated to Blender 2.79 and was playing around with the updated ANT landscape add-on when I noticed a new option called Landscape Eroder, this has the potential to be really cool but I can'...
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 ...
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 ...