Skip to main content

Unanswered Questions

3,858 questions with no upvoted or accepted answers
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 ...
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 ...
4 votes
0 answers
192 views

Custom nodes, node limits, and compile times

I am working with some very complex custom toon shaders in Eevee. This causes several problems. First, the compile times are atrocious. Second, I am in danger of hitting the node limit if I also use ...
4 votes
0 answers
245 views

How to stabilize Random Per Island for Meta Objects

I have a very basic AN setup where I vector jiggle the position of meta ball instances for a lava-lamp-like motion. I wanted to change the color as soon as an individual Meta Ball disconnects from ...
4 votes
0 answers
341 views

Understanding Blender's Invert Node and Varying Bit Depth Images

So, I am trying to wrap my head around exactly what the invert node is doing in the shader editor. I realize that this sounds like the most simplistic question in the universe, but please bear with me....
4 votes
0 answers
568 views

Understanding Memory Usage Whilst Rendering in Cycles

I am trying to understand memory usage whilst rendering in Cycles with a view to making good upgrade option decisions. I have a large scene which for my system is very heavy to render. I have 32 Gb of ...
4 votes
0 answers
134 views

Optix rendering appears to actually be doing CUDA instead of Optix

Optix rendering appears to actually be doing CUDA instead of Optix. I selected Optix, but it takes the same amount of time to render as when I select CUDA. I have updated my Nvidia driver to version ...
4 votes
0 answers
400 views

Is it possible to apply ocean modifier for only one face of geometry?

I was trying to recreate this illustration with my limited knowledge. And while doing that I tried to follow some tutorials. In one of the tutorials, the animation done with ocean modifier and ...
4 votes
0 answers
442 views

Shading according to velocity

I have a rigid body simulation of many objects and would like to change how they're shaded depending on velocity. It's easy to get location from object info node, but how about change in location ...
4 votes
0 answers
180 views

Possible to give a shadow a different material?

Hello. Let say that in a this image, i'd like all shadows to be rendered as an red emissive material, is this possible in render ? procedurally, witouth any modifiers, just by the shader editor ?
4 votes
1 answer
774 views

Fluid simulation only shows the domain

I was making a fluid simulation, but when I try to bake it, it only bakes the domain. The fluid doesn't appear from the inflow. Do you know why? Thanks. This is what appears when i render
4 votes
0 answers
439 views

Vertex colors with skin modifier

I have some curves that I want to render in Cycles; these are not blender curves, instead they are composed of a set of vertices, each having a color, and edges (but no faces). Using the skin ...
4 votes
0 answers
691 views

Shrinkwrap an image to a cylindrical / slightly conical object with minimal distortion

I have some five gallon buckets of various different dimensions and artwork for a label that would go on them. I'm trying to figure out how I can show the label applied to a bucket accurately. The ...
4 votes
1 answer
441 views

How to create a custom voronoi diagram with cycles nodes?

I've been looking for a way to create my own Voronoi diagram using cycles nodes, I've seen scripts that do just that but I wanted to create it using just math nodes within the Shader Editor, besides I ...
4 votes
0 answers
865 views

How do you render lines in EEVEE/Cycles

I am trying to convert my workflow over to Cycles/EEVEE since the Blender Renderer will no longer be available. A fair bit of my product is drawing lines or paths in the scene (such as below which ...

15 30 50 per page