Questions tagged [shaders]

A shader is a computer program that 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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Shading edges Node-setup not working

so I am trying to shade the edges of an object, by taking the dot product of Geometry-->normal and the bevel node. I am on cycles (CPU) on Blender 3.3. I already played around with the bevel radius ...
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How to keep a certain flow in the animation?

I'm looking for a way to make the animation keep a flow, as if it were a kind of drain... how can I make it keep a certain flow and it doesn't go the way it is?
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Volume Scatter doesn't seem to change density

I've been staring at this for a while now, testing densities and changing settings on. Feeling like the answer is right in front of me. 3.0.1 - Cycles
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Exported transmission texture for GLTF does not display at all

I am trying to use textures for transmission for my single material model and export a GLTF file. But various GLTF viewer sites do not display the transmission at all. It recognizes that a ...
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Bump/Displacing does not change anything

I'm using Blender 3.3.1 under Ubuntu 22.04. I'm a newbie with this application and I'm reading the docs and a lot of tutorials. Given an imported mesh (a cylinder, saved in obj format) I want to ...
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How can I add multiple inputs and randomize it for other objects using it?

In this project there are multiple tv screens which I want to project different videos on different ones and It takes time to have multiple shaders for all of them. So I want to know if there is a way ...
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Why does Blender appear to calculate two shaders mixed together differently from one?

Why do these two materials result in a different rendered appearance? One material is just a single Principled BSDF, fed by a 50/50 mix for Base Color and Metalness. The other is two Principled BSDFs ...
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Is it possible to copy shadow shader from one object to another?

I have such a problem that I added a part from myself to the model from the game, but there is a problem with the lower part on it. I do not know if it is a Shadow Shader or Vertex. add project files (...
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How to mix imperfections bitmap with emissive color?

I'm trying to create an emissive store sign for Cycles that applies imperfections from a bitmap (I want the sign to appear weathered and distressed). Working with a Principled BSDF, I know how to ...
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How can I make these circular edges smoother?

I punched holes into a mesh and applied a solidifier modifier to it. The outside looks smooth but the inner circles look slightly faceted. What would be some strategies to make the inside circles ...
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1 answer
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How can I make led light strips effect, in EEVEE or even in Cycles?

I have tried a lot to make such a realistic led light effect, but couldn't do so. Tried making plastic material and placing point lights in it, but that didn't help. Even tried using emission, but ...
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Why can't I zoom in Shader Mode?

New to Blender and starting out with the famous doughnut tutorials from YouTube. I am to the point learning about texture. The issue I am facing is once I switch to Shading mode from Layout the ...
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Strange white shading in rendered mode

In "normal" mode it looks good but in rendered mode the eye gets this strange white shading that I can't figure out how to get rid of. It only appears if I lower roughness below 0.3, but I ...
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How dose blender handle tiny roughness in BSDF with GGX?

I am curioused about the implementation of principled BSDF in blender. As we know, the GGX would produce "inf" value when the roughness is close to zero. Some renders, such as filament, ...
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Animation and shading [closed]

Can any one make or reffer to a video tutorial wich can give the same result of the animation of the flag featured in this video https://www.youtube.com/watch?v=4vDjlrlA0IM at 0:13 ?
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1 answer
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Transparent Fac showing black in Render

I run randomly mid in my work to a problem, where i don't know the cause of. In the Viewpoint shading it works like it should: If the Fac is on 1(with Transparent BSDF) it is hidden, but after a while,...
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1 answer
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Change shader values for multiple slots at the same time

I want to adjust the skin roughness for a model in my scene. Since the whole skin is basically using the same shader, just with different maps, I wondered if there is a simple way to change a value ...
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Preventing articles when using backface culling with cycles displacement

I'm building a small cave-like room, and I'd like to be able to use backface culling to allow the camera to look in from further away than the wall, because it is a quite small cave. I'm also using ...
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Randomizing via color ramp collection linked meshes with same material

I downloaded a container from blender swap. The container is made of various parts with different modifiers and so on. I am using collection instances to replicate the container, but I would like to ...
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How do I get Eevee Mantaflow fire to not look pixelated?

I know this type of question has been asked a lot, but no one else's solution works for me. I'm using Blender 3.0, I would be willing to update but not to go to an older version because I need this to ...
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How to drive noise textures position with attributes?

I'm working on a fire simulation and I've been using a noise texture to remove parts of the fire. So far I've just animated the Z value of the mapping to move the noise up. But I saw someone use an ...
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1 answer
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Weight paint controlled texture?

Is there anyway to control the gradient with a weight paint? If so, how could I pull this off and how can I change the falloff for the weight paint for the eyes?
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How to apply several colors that line up with displacement map?

How to apply several colors that matches with the displacement map? I am able to use a mix shader to apply the gold color to the black lines on the displacement and the blue color to the white area. ...
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1 answer
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Animate / turn lights on and off in a specific order using geometry nodes

I'm trying to Animate / turn lights on and off in a specific order using geometry nodes. The numbers are the order I wish them to turn on/off. So when 1 is turned on all others are off, when 2 is ...
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How do I make streak highlights that are affected by lighting?

Sorry about the title, it's a little hard to describe. I'm making a toon shader for eevee, and I want to make a specular effect that looks like straight lines across the mesh. I managed to do it once ...
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Color alteration in writing and reading image textures using GPU module and Frament shader

I'm trying to understand how to use Fragment shaders in Blender for editing and saving some images. Collecting pieces of information here and there, I produced a simple code that read an image, draw ...
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How can I create this particular paper texture by shader nodes?

I want to emulate this exact paper texture via shader nodes, I know I can go about with using the image textures but I want multiple variations of this texture, therefore I need a procedural way to do ...
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How to implement Triplanar Shader in Blender?

Does anyone know how to properly implement Triplanar Shader mapping? I don't want to use box mapping with blend mode. I want to use a logic which works similar to v-ray Triplanar.
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Why does my volumetric atmosphere not have an orange sunset region?

So this is the effect I'm looking for: This orange glow in an atmosphere, right where the shadowy and the light side meet. However, my material (which should be pretty physically accurate as far as I ...
3 votes
1 answer
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How can eliminate edges connecting surfaces?

I just started 3D modeling on blender again, but I'm still at the beginning. I was trying to create the shape in the screenshot but when I joined the edges I created two edges in the middle of the ...
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Cycles Shader Nodes - Where/How to learn advanced and clever nodes

Where/How do I approach moving from an intermediate to advanced Cycles Shader node user? I recently came across a youtube landscape tutorial that shows how to mask off displacement of peaks with just ...
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Principed BSDF not work with texture image

I am currently trying to achieve my terrain texture. So far no problem but not for the last texture. Here's where I'm at right now (without any problem): Each group (GravelNode, LeaveNode…) Contains ...
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I've been following this tutorial on making really cool 'Twisting Crystals' in Blender, but the Colorramp seems to be broken for some strange reason

I'm at 19:20 timestamp in this video tutorial, and while the color on the left side of the Colorramp seems to be working perfectly, no matter how I change the color on the right, it doesn't seem to be ...
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shader that highlighting behind object

I want to make a shader that is one simple color and highlighted on other object like in games. Also when there aren't any objects in front, it should be its own texture. How can I achieve this effect ...
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Why Geometry Nodes(Realize Instances) make shading ineffective?

The beginning: After adding the geometry node (Realize Instances): My shading:
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1 answer
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How to make furrows darker?

Another day of the 3D artist. How to make furrows darker? is it possible to make an analogue of "ambient occlusion" using only the Shader Editor? The gradient texture doesn't work as I ...
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Geometry Node Proximity Shader Question

question in this video https://www.youtube.com/watch?v=sH8SovE4G-Q&t=1373s the person was able to get colors on the cube without subdiving the cube and instead he was using vertex colors, and yes ...
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Apply independent transparent color overlay to material

I'm new to Blender, not sure if this is possible: I want to create a material that has a base color, plus a black overlay with alpha=25%. The goal is to be able to manipulate the base color of the ...
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How do I get rid of the forrest reflection in my glass surface?

Hello, so I'm attempting to use glassy surfaces for the first time. My aim is to see the brown roof in the house from the outside. Therefore full Transmission is required. The problem is that I can't ...
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1 answer
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Insides of glass is white

The reflections in some areas of my glass material is white. The environment is a dark room with a few point lights. There are no bright light sources or objects in the scene that would make such a ...
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Inside of Glass dark

The sand inside the glass and the sand outside are the same material, but the ones inside are darker. Light Paths settings are all turned up Max Bounces total : 802 glossy : 478 Transparency : 441 ...
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Shading not realistic - can you shed any light on this for me? (pun intended!)

Hi all, I’m creating some furniture models based on some real-life pieces of furniture. There’s a type of cabinet door where the shading just doesn’t look right when I render the model. The door is ...
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How can I export a street material using procedural textures to Unity?

I tried to make a road texture with puddles by this tutorial: https://www.youtube.com/watch?v=1e-S0DM5hlc. My problem is I can't bake the shaders, (puddles etc..) The first picture you can see the ...
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1 answer
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gltf shader texture baking help

I am trying to export a .gltf model that retains the procedural shaders I've made. When I try exporting, however, the glossiness isn't retained. Notice the sparkles. I want those kept. I am starting ...
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Transparency bug and shading issues with a new project in Blender 2.80

I wasn't using blender for a while and I'm quite beginner so don't know what to do and where to ask. Even when I run a new project I have some issues with object transparency. The same with my old ...
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Random material on realized instances [closed]

I have created wall from wooden planks as a simple geo nodes instances on grid. I wanted them to have slightly different shade, so I did with Color ramp factored by object info. However when I tried ...
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A skin material is used for both head and ears but it doesn't look the same

I've used the same material for both the head and the ear but it doesn't look like the same material and I wonder what would be the problem. I'd appreciate anyone who could help me with this issue. ...
2 votes
1 answer
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How to keep reflection of HDRI on object with Glass material, but keep it transparent

I have sphere with complex glass shader. I want to have reflection of HDRI on it, but keep it transparent so we can see through, when I export animation as sequence of png pictures. I want this like ...
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Why does my glass shader have this black artifact?

I have a pretty simple mesh that I want to be a glass plane, but for some reason thse black artifacts are appearing. I've checked that the topology looks correct (I think) -- selected all and merged ...
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Eevee Casted Shadows Question

Helo is there a way (In Eevee) to somehow extract and isolate the shadows that are being casted on the plane and connected them do the color map to change the interpolation.
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