Questions tagged [shaders]

A shader is a computer program that usually runs on a GPU and is used to do shading, texturing, special effects or post-processing. Shader nodes specifically refer to the nodes used to create shaders for Cycles, but this tag can be used for other shaders as well.

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Flat Procedural transition

Is there any way to create flat transition using shaders(nodes) just like in second picture? Is it even possible with shaders? I tried constant ColorRamp but it goes half way through, not full face or ...
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Shading faces depending on orientation

Newbie here with possible strange request. I am learning anatomy, currently by studying a 3d skull. I would like to lit it in some ways, so that the faces facing front would be in a certain color, ...
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1answer
23 views

How to check if EEVEE or cycles is used?

Is there a way for a shader/material to check if it is being render in EEVEE or cycles? I want to activate different nodes that immitate or indicate some effects that don't work so well in EEVEE, for ...
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How to correctly separate vertex color data into the R channel on EEVEE?

for some reason if I add (in the shader tree) the ATTRIBUTE>COL from the vertex color property and channel it to a separate RGB (only making the R channel plug into a ramp node and then to the shader ...
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1answer
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My textures are rendering transparent and strange

I am trying to make this cool minecraft effect on blender. I've done all the modeling and tracking. In rendered view it looks fine. But it comes out very weird. I am using blender 2.8 for this ...
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Holdout node cause odd outline

As the title says I'm having issues with the Holdout node causing an odd outline: https://imgur.com/a/eaTu8KP Sadly I don't want to share the blender file because this is a project but I would be ...
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spikes emerged when i put displacement node in blender 3d 2.8

soo i im using image texture for base color and displacement then i enabled experimental from render tab then i enabled displacement and bump in materials - setting - surface - displacement. and ...
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10 views

Access array modifier index in shader

Is it possible to get the array index of an array modifier in the shading editor? I need to shift the UV of every array segment by a certain amount. I can't apply them because the number of segments ...
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24 views

How to Create a bright semi transparent Crystal that reflects in multi-colors

I would like to be able to create crystals that look like this: https://pbs.twimg.com/media/D_p99yOW4AA0bNd?format=jpg&name=4096x4096 I would like them to be able to reflect multiple colors like ...
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2answers
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Can I add random viewport colours in 2.79 like in 2.8?

I was wondering if I can add random viewport colors for better visibility like the new feature added in 2.8, but in 2.79 (maybe an add-on) since my PC doesn't support 2.8 due to my hardware ...
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1answer
28 views

Strange shading fragments on mesh

can anyone help me? I've just finished texturing a model I made. After I import the mesh and the textures in UE4, I've encountered this shading fragments. This are screenshots on UE4: This is how ...
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Texture that only visible in shadows

I am trying to shade an earth model. Trying to show night lights on the dark side, but I am having hard time on figuring out how to use light path node, to isolate night emission at the sunshine. I ...
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Blender shader that imitates sculting in stone

Im new to Blender nodes. Im trying to make a material and apply it to a mesh made of a single square. It needs to be able to take 2 textures. One stone texture, and one that has the ornaments that ...
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1answer
38 views

How can I get only textures (with out shaders) from rendering image in Blender 2.8?

I want to get Only texture with out shaders from rendering image. In my rendering image. I want to output a texture-only image like displayed inside the red frame of this image. I want an image ...
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How to remove the movement of shadows? (EEVEE)

I have a issue with shadows cast from my sun light "Jittering" is there a way I can bake the shadows so they don't move at all from frame to frame? Also it only appears in the render, doesn't seem to ...
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Activate Smooth Shading and Subsurf Level with One Shortcut in Both Object and Edit Mode

Maybe I'm missing something, but I feel like changing the subsurf level and shading needs a lot of keypresses. Usually, I model in edit mode with subsurf off and flat shading. Sometimes, however, I ...
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how to set up downloaded textures

I just got a model from kitbash for free and I was wondering how to set up the texture that was in the zip file inside of the zip there was the.BLEND file and a texture folder, inside of there where ...
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1answer
16 views

Is there an easy way to re-import / re-append image files in a large quantity?

My rather (as of recently common) problem is the following: Every time I download 3d-asset-packs like the ones you can find on Kitbash3D for instance, the image textures are all un-linked in each ...
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2answers
31 views

Mimic Sculpting Shader/Light setup for Render

I'd like to recreate the shading that is going on in the Sculpting view for high-resolution render. It seems to have a very specific light-setup and way of catching light the soft specular, very thick ...
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14 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 ...
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28 views

What does the 'sheen' slider of the Principled shader do behind the scenes?

I'm trying to create a unified shader setup between a bunch of different render engines for exporting models. I've been attempting to recreate the 'sheen' effect from the principled shader using ...
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clothing retains color and others do not

So I created characters and shaded them etc etc. I uploaded to Mixamo and a lot of the characters lose their shading. In the case of the image one character retained some color the others did not. Im ...
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1answer
10 views

“extra shading pie menu items” option not showing in custom keymap

In Blender 2.80 in Properties > Keymap if you use the standard Blender preset you get Preferences windows with option to check "extra shading pie menu items" option under Tilde Action. This option ...
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Pass viewport camera world space position to shader

AFAIK, the Camera Data node doesn't provide viewport camera's position, what alternatives do I have?
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19 views

I can't make correct glass in EEVEE

I make a glass material, but it isn't rendered yellow glass behind him But cycles do it
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How to change shading of selected faces with retopo - 2.79 comparison

2.79 renders the underlying selected mesh more "pronounced" over the other objects when in editmode. This is a common situation when doing lowpoly retopo over highpoly. In 2.8 its really sinks in to ...
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1answer
22 views

smoothing the placement of vertex

I'm trying to model a car, when joining two hood and the fender I had to tweak to geometry to make everything quads but I ended up with sort of bump as you can see: Here is my topology: each time I ...
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20 views

How can I make a flat wooden material?

I'm making this kitchen scene and I am trying to get the cupboard material to look like the one in the picture. Currently I think this looks to "plastic" and I want it to look more real. Is there any ...
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Why does my model have black lines on the mesh when I zoom out?

I have no idea why this happens and I am really stressed out about it. Can someone please help me? Close: No Problem. Far: Black line left of eye where my UV seam was...
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1answer
13 views

Render Viewport shows textures, final render does not (Cycles)

first time posting and fairly new to Blender. I've been working on a project for a couple of days, and so far everything has been working out pretty well. Today I was working on creating UV maps and ...
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20 views

Shader Editor: blinn-phong shading in a BSDF world

I am trying to access the light direction in shader editor to make a custom lighting shader, but couldn't find such node? Alternatively, if anyone can come up with a conversion from blinn-phong ...
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24 views

I can't open the viewport shading dropdown when in render preview shading mode

When I click on the viewport shading dropdown nothing happens all it shows is a popup bubble that says Viewport Shading. I am currently trying to change the backface culling checkbox because Unity ...
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21 views

MixRGB vs Math for greyscale

I'm currently using Blender 2.8, but this applies to 2.79 too. In the shader graph when using scalar/greyscale values is there any difference between using the Math node and MixRGB for the operators ...
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What is the fastest way to add ambient occlusion?

As I am aware there is a couple methods to add Ambient Occlusion (AO) to scene/object, via Input>Ambient occlusion in shader editor it adds a AO to objects using that material, another way is to ...
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Help me make effect of transfusion by shaders

I have mesh of piece of guitar( I dont know how to translate to english, it is white ). Now i need make shaders. I want to do the same transfusion of white(As for me it looks like waves ) Can i do ...
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20 views

Is there anyway to use a shape or mesh as a mask?

I saw a tutorial on making a "sky box" or "Sky dome" and I was wondering if this can be done in any other shape like a humanoid mesh. Alternatively: im trying to figure out out how to put a nebula/...
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2answers
42 views

Baked normals Look a Strange

For a few months I'm researching and making little tests to better understing and optimize a LowRes Workflow, And this "error" continue to occurs on this particulary model that I'm working on, It was ...
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1answer
57 views

Python 2.8 creating Diffuse BSDF in a shader node, when I want it in a surface node

In Blender/Python 2.8, I can't get my code to create the surface node I want (it creates a shader node along with a surface node that I don't want). The objective is to assign an image texture to an ...
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0answers
34 views

How is it possible to make a procedural snakeskin texture?

I've seen some posts like this one showing snakeskin procedural textures. How is this possible? From what I've gleamed on reddit, a voronoi texture is used here? How would you morph that texture into ...
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1answer
39 views

Can't decrease the brightness of the transparent shader effect

I'm trying to make a transparent plane in blender 2.8 that works in cycles. I want to reach the same effect that I have when I set up a background image with the transparency enabled. Below you can ...
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1answer
48 views

Python 2.8 - eliminating shadow by adding emission shader to background plane/image

In Blender 2.8, I have an image/plane ("sky") serving as a background that shows an unwanted shadow from an object in the foreground. Manually, I can eliminate the unwanted shadow on the background '...
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35 views

Toon Shader Programming/Noise Generation/Line Coloring

EDIT: SHADER UPDATE First off, I need two types of shaders, one for the "background" objects, and another for the "cel/moving" objects. The output will look something like this (but in color): (...
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1answer
79 views

How to show out of bounds texture from a modulo operation [duplicate]

Does anyone know how to show the cut parts? I used a modulo operation with random coordinates and rotation for each cell, but when I try to randomly move them I get some parts of the texture getting ...
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1answer
26 views

Movie is not playing properly blender 2.8

My Movie for my TV is not playing in render mode of my view port but it is playing in the UV Editor i have no idea whats going wrong. I basically added an image texture and opened an mp4 Movie Format ...
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weird shading! dark polygons [duplicate]

I am 100% noob. i started a few days ago. And i tried to make a face and this happened. being so new i don`t know how to describe the way i modeled it. Also when i imported it in ue4 it was even more ...
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1answer
47 views

How do I merge smoothing shaders seemlessly without joining objects?

I'm having an issue with creating a game asset for the Creation Engine. I am trying to have two objects, a head and body, match seamlessly together without joining them. They don't and it's because ...
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2answers
39 views

Bake image from Mix Shader node output to show BSDF base color without light gradients

I've a shading node setup to create a scratched surface, to show wear of paint. I'm using Blender 2.80. See the image below. I would like to export the model to SteamVR, and for that I need a single ...
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1answer
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How to specify a different value for a node parameter, part of a node group, for different materials

I've got this object which exists of 10 meshes or so. Their UV maps are all different, of course. I would like to have the same shading on all of them, so I created a node group. The node group ...
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2answers
47 views

Why is this simple primitive shaded so weirdly?

I made sure everything is quads , I've checked the normals, I've unmade and remade all the faces, no luck. Why is the shading still so weird? All I did to create it before I started trying to fix ...
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1answer
103 views

Building a Shader Switch | How to get custom values from individual objects?

I'm trying to build a shader-switch to easily switch the texture out of a set of ten different images. I want to use a single material for a set of picture frames. This is what I've got so far: The ...