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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9 views

Toon Shader Programming/Noise Generation/Line Coloring

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): (Mickey & the ship's ...
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35 views

How to show out of bounds texture from a modulo operation

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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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
37 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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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
5 views

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
44 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
90 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 ...
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39 views

How can you use color ramp to affect emissive shader

Is it possible to affect the emissive shader with the color ramp at all? I would like to do something like this (image below):
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How to externally control the look of volume material?

The effect that I want to achive looks like this: The problem I have is with that colorful cube with controllable color gradient. The cones and planes can be ingnored. I have achived similar result ...
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Creating lines in procedural voronoi cell texture [duplicate]

I've been trying to figure out how to make a kind of crackle map similar to this: Using this: the Voronoi cells texture in cycles: My theory is that you could use the information in the texture (the ...
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21 views

Most of object baking black? (2.8)

I have this model that I'm trying to bake to a texture: But when I bake it, I get mostly black except for one diagonal brown square, like this: I'm not quite sure what the issue is here. I'm using ...
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21 views

Edges of mesh with emission shader look like of low resolution

As you can see the edges of a plane mesh with emission shader don't look like a smooth straight edge. I have noticed that generally the edges of a mesh with just a plain emission shader are not smooth....
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Volume emission not working in blender 2.8 eevee

I got this fire shader a while back. from what I can remember it worked in eevee but now it doesn't. also a normal emission shader in the volume is not working either. any suggestions?
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Why is the shader changing in the final render?

i created multiple objects from a single piece and set its shader to a mix of glass and translucent when I view it in viewport, everything looks fine, it takes on the shader it was originally meant to ...
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blender 2.8 shader makes material black when fac is not 0 OR 1

so I wanted to mix to shaders using the mix and it works but only if the fac value is 0 OR 1, nothing in between... I am a bit new to 2.8 so I realy have no idea wtf is happening. here it works at ...
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1answer
67 views

Ambient Occlusion node in EEVEE not working

So I am using Blender 2.8, and I cannot seem to get the Ambient Occlusion node to work in EEVEE. I realize it is in beta, so it could just be a bug in 2.8, but I have seen other people use ambient ...
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28 views

Sculpt looks pixilated

This is a leaf to a Chinese money plant that I've been working on. I went into sculpt mode to add the veins. But, when I try to sculpt any detail, it comes out looking a bit... Chunky. Like it's ...
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1answer
20 views

Problem with partially UV-unwrapping a simple object

Blender 2.8/Eevee, As I've proven to myself time and time again, my texturing knowledge and skills are abysmal... I want to texture a part of my object with a custom texture but I can't seem to get ...
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16 views

How to increase the contrast between outer and inner IOR shader result?

I have a fairly simple shader set up that is made to look bi-layered by having a IOR less than 1. While I like the effect, I want to make the 'outer layer' brighter/more white to differentiate it ...
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overlapping alpha textures - shading problem [duplicate]

I'm working on a bird that has an object particles system with transparent hair textures. When the textures are not overlapping is not a problem. There are some weird artifacts going on as soon as ...
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1answer
80 views

Cycles one side transparency

Is there a way to create a material that seems diffuse shader, but can see lights trough it when lights are behind like E.V.E. in Wall-e? I have tried diffuse mixed with gloss and both mixed add to ...
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44 views

HOW do I make glossy effect on label?

I've used the fresnel and glossy shaders but either I get a grey and dull effect or a diffused look when I render. I want to make the label look like plastic wrap so I need some streaks of light ...
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2answers
50 views

Shade smooth problems in Blender 2.8

I have some issues in my model: I was asking about this issue on other forums, but no one helped me. One person said that I have to learn what is topology first, before starting modeling. I did that,...
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8 views

saving eevee's shader compilation

I don't know if this is a misfunction on my system, but, eevee seems to compile shader and, it's natural enough to guess that the compiled shader are saved somewhere for future use of the unedited ...
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16 views

How to make a shadless material that would allow shadows? [duplicate]

I've been successful to achieve shade less material in Blender by following set up: but is there any way we can allow these materials to cast shadows? Thanks.
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4answers
431 views

How can stipple shading be replicated in Blender?

I have had this idea for a little while, using Blender to simulate traditional stipple shading. I have gotten an OK effect using a mix shader with ambient occlusion as a factor to spread a stipple ...
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12 views

How To Fix Boolean Shading?

Is there any script out there or any way to fix the shading of a mesh with some boolean operations without applying those boolean operations?
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20 views

How can i fix weird shadows in blender 2.8 eevee

I have weird glitches with the shadows on my model
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29 views

Strange light effect in EEVEE render

While making my bedroom scene, I have this lighting artifact that I cant seem to get rid of on my area light. Its like little lines of light that separate and get further apart as it diffuses. Here's ...
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16 views

Blender 2.8 volume over transparent background not showing in rendered image [duplicate]

I made this planet with a volumetric shader for the atmosphere Left you see the atmosphere rendered in viewport mode Right you see it just rendered out but now the volumetrics are missing Any ...
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29 views

EEVEE curvature node with ambient occlusion?

How do you guys set up curvature mask using ambient occlusion. Last time I tried I couldn't control the distance and the black and white values don't really move as I want them to. Could someone show ...
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17 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 ...
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60 views

Python Mix Shader Diffuse BSDF Glossy BSDF Nodes

I am trying to create a plane object in python that uses a mix shader with the first shader being a Diffuse BSDF Shader, color black, roughness 0.200 and the second shader being a Glossy BSDF shader, ...
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15 views

Is there a place where I can find values for different colors/materials? [duplicate]

Whenever I try to create different materials, I always have to mess around with it for a bit and I feel like it would be easier to have a reference. Is there anything online that has a bunch of ...
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1answer
131 views

Use color ramp to mix materials

I'm trying to set up a material that shades the topography of a spherical model of the Earth based on distance to the center of the Earth. Setting up a ColorRamp based on distance from the center of ...
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5 views

Cycles getting black shaded areas of emission / transparent shaded faces [duplicate]

I have a terrain mesh that I have shaded using a combination of emission shader and transparent shader. The issues is when I view the model from any angle where there would overlap from itself, for ...
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19 views

Black lines appaear on edges of mesh when turning on smooth shading

Kindly need help as I'm getting random specks or lines of black on the edges of my mesh. This only shows up when selecting "smooth" shading. Also I have subsurf modfier enabled. More over, adding more ...
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1answer
39 views

Why are my donuts appearing lIke this

So a few months ago I did the donut tutorial in cycles, then I opened it in eevee. Unfortunately,there appears to be an outline. I have the Eevee toon shader add on, but I can't find it in my ...
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1answer
48 views

Transparent BSDF cause noise in depth layer

I have system that consumes depth and RGB output of Cycles renderer. I can observe noise in depth maps when I use transparent BSDF with ...
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1answer
29 views

MagicTexture - how to customize colors?

Instead of having all the psychedelic colors of the magic texture feature, I'd like to have 2 or 3 of my own custom colors but in the same swirly pattern. Is that possible?
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15 views

Applying texture on material [2.8] [duplicate]

I created a simple toon shader material: What I want to do is apply a simple pattern like: on to the yellow color. How can I mix both? The pattern has an alpha channel also So final result should ...
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1answer
51 views

Increase the length of the z-buffer [duplicate]

I am using the examples already given here, i.e. Convert depth/z value to RGBA The problem I am facing here is to increase the depth. If one sees clearly a blue pattern starts from a close distance ...
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1answer
54 views

how can i create a grainy rough plastic material in blender, just like one on MI TV Remote

I am creating a tv remote and for that, I am looking for material just like MI tv remote.
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1answer
58 views

trouble with smooth shading 2.8

hey guys so i got my model to the point where i am trying to shade smooth ive got no modifiers or anything just a model i put together. on the bridge of the nose and the back of the lower head there ...
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2answers
32 views

Why do I have no 'Shader' category when trying to add nodes? [duplicate]

I am a complete beginner. So, I might be dumb - sorry! I made a 3D model. Now, I want to work on its surface - which lead me to materials and shaders. So, I added a material and then opened the Node ...
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31 views

Cannot achieve the same result as the tutorial, mine had some shading issues

i am following some tutorial and i followed every step in the tut, but mine mesh came with a lot of shading problems. The edge are not smooth at all. Can someone help me out ? I set the smooth shading ...
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1answer
26 views

When I copy and paste the shader nodes and objects from a blender session to another one I lose some characteristcs

What I did has been to copy and paste the teeth and the gums from the original blender file to the blender file that I'm using and an odd thing is happened : the yellow color of the teeth and its ...
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1answer
28 views

Reflection in sphere becomes more distorted as subsurf increases?

I was baking normals from hi poly to low poly meshes. With this specific example of a hi poly icosphere the reflections are distorted, whereas the low poly sphere is less so. so i was just wondering;...