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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Why does the texture within the shader viewport look more distorted than the actual texture image?

Oviously, the texture image(in red rectangle) hasn't scratches. But why do the textures in the Shader Viewport appear scratches? I only used, Bump Node.
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Why is working with material on eevee so slow?

I have been moving to Blender 2.8 and am really impressed by how accessible the software got now. Initially it also was quite responsive and swift, but for some reasons I am running into trouble ...
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Why my Render has black outlines?

Im noob here. I tried to make a sci-fi car but when I render it, its like this(see photo). I dont want these black lines
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Problem with materials

When I try to change material or something in shading,my Blender crash.And maybe the reason is Videocard.Have ideas?
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Make Cartoon-like car headlight light

I want to make the light appear on the floor in a defined oval shape, without any scattering but be translucent anyway. kind of like this picture, but appearing only on the ground maybe. This is part ...
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1answer
42 views

Magic box, objects inside visible only through hole

I'm on Blender 2.8 and I want to create a special shader, which is harder than I thought. I want to create a box, which contains more objects inside. The front face is a hole where we can see the ...
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texture mapping without texture being mirrored on other side of object

I have a cylinder I want to map a texture to. To specify the location of the texture I use an empty. In the material node editor I then use the object function of the texture coordinate node and ...
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How to use texture alpha with Eevee?

In blender 2.79 I was able to create textures with and alpha channel and use them to make partially transparent materials. I'm trying to figure out how to do the same thing in 2.8. Some online ...
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1answer
31 views

How do implement the effect of blur on transparent materials?

I'm trying to create a blur effect when a clear light passes through a transparent material. Here's a quick summary of the picture: And when an object is close to a transparent material, it should be ...
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How to offset shaders at object level like in Stereo?

Hi. Is there any way to apply an offset to the RGB PIXELS like when you activate STEREO OPTION in camera? I´d like to create an offset RGB shader moving color OUTSIDE the model itself (screen space ...
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1answer
51 views

How do implement material without a texture image?

I am trying to implement the material on the object, such as the picture below, without the texture image. I've looked for a function called "Bump Node" to implement the material, but I'm not yet ...
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1answer
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How can i append a material from a blend file using python script

I wan't a script that could append a particular material only from a particular blend file so that i can just run the script and the material is there
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1answer
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Normal/Bump map show in Look Dev but not on Render

I am trying to bake a diffuse texture with all the shaders applied to it, including the bump map effect just applied to the texture instead of having a seperate normal map. In Look Dev I can see the ...
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Magic Textures question

Is there a way to have the white areas be clear in this glass marble example?
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Create custom RenderLayer

I was wondering whether it is possible to create a custom RenderLayer? I would like to have a "Roughness" RenderLayer like DiffuseColor or SpecularColor. Is there any way to retrieve information from ...
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Can I use OSL shaders with Eevee in Blender 2.8?

I was trying to create a custom OSL shader to use with the 'shader' node in the material node editor. However, I noticed that none of the scripts worked when I was using the default Eevee rendering ...
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How to Custom realtime shader ? (HLSL,Cg,…)

i would like to create few shader inside blender that would match inGame shaders from my game engine. Could someone tell me where and how o start in blender? thank you
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2answers
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Can't see through BSDF principled/glass 2.8

High risk this question was asked a billion times and I am just too stupid to find the correct answer, so apologiez. I am trying to create a drinking glass, the inside faces are colored red to ...
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EEVEE Sub Division Surfaces with Blocky Shading

I'm having an issue rendering subdivision surfaces in EEVEE and can not find an answer anywhere. When applying subdivision surfaces to objects in EEVEE, it creates very distorted reflections in the ...
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1answer
27 views

Wierd shading of nomals

Ok I have no idea what is happening here. The back side of my faces shine through the face in front. I activated "show face normals" so it is better to see. First I thought my typology is mto bad, but ...
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1answer
149 views

Cycles Toon shader size effects diffuse direct value

Here are three monkeys lit by the same sun lamp. They have only a Toon Diffuse shader set to color of 0.2 value, and size of 0.8, 0.5, and 0.2 respectively. But it can clearly be seen that their lit ...
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How to get this bump shader effect

This is a follow on question asked previously but how so I get this exact effect, (including the depth of the checker squares) Original question here.
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1answer
34 views

Creating a translucent acrylic-like Shader

I am trying to make this model and as you can see in the reference, it looks translucent with a glow on the outer ring, like a solid block of acrylic with thickness. Also, as you can see, it emits ...
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1answer
28 views

Do we need to master Cycles' material nodes if we can make textures/materials in a much easier way in Substance Painter?

As the title says, I'm quite confused about why I should master Cycles' material nodes if I can yield equally good results in Substance Painter? In Cycles, to create a photorealistic material, we must ...
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Hide lines between nodes

In order to get a more clean node tree in blender 2.8, is there a way to hide for example the line in the circle? I really don't like crossing lines. I've been searching on internet and the manual ...
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HDRI background image won't show behind glass and artificial area light

i have an interior scene replicated from photo reference as a way to practise blender. this scene has sun, artificial area lights to help lighting the interior. and a HDR image to get something as a ...
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2answers
42 views

2.8 Ambient Occlusion of World Background

I have an animation imported from Mixamo. In 2.79 I could not make the background transparent in animation only on single images. So I used a green screen for the world background. In there it was ...
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1answer
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How do I prevent a texture from stretching when using a boolean modifier on the object?

I made a lava planet and used the boolean modifier on a cube to "eat" it away. For the planet I made a material in the Shader Workspace. When I move the cube on the planet and it eats the planet away ...
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Why is viewport scene violet? [duplicate]

I've switched from C4D (getting too costly for a retiree) to Blender 2.8. I've created a simple scene consisting of the monkey atop a plane. Why is everything in the viewport and eevee shaded in ...
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1answer
50 views

Problem With texture or UV I'm not sure

I'm a beginner and I have a problem with one of my models. I can't seem to add a texture to it. When I try to apply a texture, it applies only the general color of it. Every texture paint I do on it ...
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22 views

generate texture by interacting with another mesh

Hello Blender Community, I have a scene where i want to generate a texture on mesh A by letting it interact with another mesh B. The goal is that i don't have to animate the texture by hand and ...
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1answer
33 views

Using an opacity map with the Principled BDSF?

I have baked a set of maps in Substance (making trim sheets) and would like to plug them back in in Blender, incl roughness, metal, normals etc. I would like to have those, my base colour map as well ...
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3answers
41 views

Displacement node doesn't seem to work

I've been trying to get the displacement node to work in blender 2.80, but am having no luck: It doesn't seem to show up in the cycles render either: anyone know what I have to do to get it to work?
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105 views

Troubles with outline on cubes

I am working on a project that requires me to have outlines on cubes, the outline HAS to be a shader, not matter if it's a combination of nodes or a script,it has to be a shader. Meaning that I can't ...
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1answer
52 views

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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2answers
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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
36 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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0answers
31 views

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
27 views

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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19 views

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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0answers
23 views

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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16 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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25 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
34 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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42 views

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
47 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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44 views

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 ...