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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2answers
44 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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0answers
31 views

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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0answers
19 views

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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0answers
24 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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0answers
22 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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1answer
78 views

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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17 views

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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0answers
24 views

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
309 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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30 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
31 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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17 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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0answers
18 views

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
89 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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0answers
45 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
94 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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0answers
16 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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0answers
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
482 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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0answers
13 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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0answers
27 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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0answers
51 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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0answers
22 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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0answers
50 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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0answers
25 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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0answers
69 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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0answers
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
172 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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0answers
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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0answers
20 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
41 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
57 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 ...
2
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1answer
30 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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0answers
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
55 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
95 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
66 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
41 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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0answers
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
30 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
31 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;...
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1answer
55 views

Textures turn black in material and render mode [duplicate]

I downloaded a free shader setup from a site and after unwrapping it, the texture comes fine in the texture shading viewport. But when I shift to Material, or render shading, the object is just plain ...
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0answers
12 views

Where is this image coming from? [duplicate]

If I create a new blender file, switch to "lookdev" view and apply the glass shader to an object, this happens: Where is the image of the reflection coming from? It is a brand new file so it wasn't ...
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0answers
34 views

How to apply the aged skin effect from a 3d mesh / configuration node to another one

I'm trying to make a better skin for the face of my character,that you can see below : On blendswap I found this character that I find interesting because it has a nice aged skin : Without changing ...
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1answer
28 views

How To fix this weird shading issue? [duplicate]

]2 Weird Shading which also effects the sub d in a weird way. Maybe it's a bug but I have a feeling I screwed up somewhere :)
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1answer
34 views

How to get shadows information in cycles

I have a WIP looking like this Now I want to do something about a background and I want to do it in a similar halftone style. But when I'm applying it the same way as I did on the models, the dots ...
3
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0answers
60 views

Procedural Materials On Fluid Simulations

Been struggling with this for a while. I've made a procedural lava shader and I want to put it on a fluid sim. The problem is, all the mapping methods I've tried make the fluid travel through noise ...
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2answers
83 views

How to create a material which lets light pass through unaffected?

Ok, so im looking to make a material which; allows 100% of light to pass through unaffected. As if the surface was never there. allows normal textures to be applied as usual whilst looking as it ...
3
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1answer
72 views

Overlay more than one transparent images in one shader

I'm trying to use the Shader Editor to put four transparent images onto one object. My approach to this was to add all of the alpha channels together and then to use that combined alpha to mask the ...
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1answer
47 views

Blender 2.8 How do I fix the gloss on this mesh?

I’m using normal maps here, Is it the faulty map or something else that’s causing this strange effect? How would I turn this into something like this: Sort of a matte effect