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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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26 views

Simple, easy to understand way to soften edges? [duplicate]

I come from Maya, I'm used to just selecting the edges or faces you want to be soft or sharp and clicking a button that says "harden edge" or "soften edge." Is there a way to do this in Blender? I can'...
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21 views

Can a lens shader be made in cycles

I'm curious if a shader can be made for a flat square that can act as an optical lens. In the shader be able to set a f factor, to set focus strength distance.
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1answer
103 views

Blender 2.8: How to select multiple object with the same diffuse color in principled shader?

I have to import various fbx file scenes , bringing in a large amount (>10.000 Objects) into the scene with each single import. Each import scene stands on its own. Imported fbx files will not be ...
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9 views

Smooth shader not working | pdb addon loaded molecule

Maybe someone can help me with this. I am in Blender 2.80 and I used the pdb loader add-on. Now I have some problems with getting a smooth shader on the bonds of my molecule. That was never an issue ...
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1answer
25 views

Why isn't my image texture working?

I am currently using blender 2.8 and I was putting a texture on a plane, so it shouldn't have to be unwrapped, but it crashed and when I went to put it back on it just comes out as like an average ...
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7 views

how to bake diffuse with mix shader?

So in the left corner you'l see albedo/diffuse bake result, in the right corner it is how it should look and how it looks in viewport and at the bottom half is shade node scheme. I dont understand how ...
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1answer
17 views

The Shader Editor Show Up Blank When reopen it

So I'm still learning about texturing in blender. Then after googling around i found about shader editor and uv editor. When i first open shader editor to make material the node show up okay. Then ...
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2answers
41 views

Bad shading on icosphere set to smooth

I used an icosphere to model a part of a building, I have autosmooth enabled with custom sharp edges but I can't fix the bad shading. In Eevee it looks perfect, but in cycles I get weird shading that ...
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2answers
67 views

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
33 views

Texture painting looks really bad

I've been struggling with texture painting in 2.8 since its release. It always seems to have some little niggly thing that 2.79 had ironed out. In this case, the display of the texture - and when I ...
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1answer
14 views

Exporting procedurally textured models for game engine

Recently I created a model which was texured procedurally. I used noise texture to texture the model and also combined it with a bump and Vorenoi map to add extra geometry to my model. On exporting ...
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1answer
51 views

Does the Principled Shader IOR value effect specular reflection on a transmission material

Other render engines have two IOR values - one for refraction, and one for reflection. But in Cycles there is only one and documentation states it only affects refraction. Yet with transmission set ...
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1answer
69 views

Add a transparent image on top of a material [duplicate 2]

I read the answer on the link on how to add transparent images on top of materials (Add a transparent image on top of a material ). This works beautifully in v2.79b. This technique does not seem to ...
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1answer
42 views

Material does not react to light and looks shadeless

I have a problem importing old Blender files that I created with Blender internal. I am now using Blender 2.8 and a Principled BSDF. When I render the object or set Viewport shading to Rendered, I ...
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1answer
49 views

Why is this line appearing across my procedural material?

I have tried to texture an orange with the shader editor after uwrapping the object, and I got this strange trace on the mesh: I want to make it disappear but I didn't find any issue. I have tried ...
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12 views

Black/White Opacity Mask transparent in Blender 2.8

I have two textures: Diffuse and a Black/White opacity map. It's used for the eyebrows. The way the shader is setup the eyebrows are just a completely brown plane. How do I hook up the B/W opacity map ...
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1answer
29 views

2D 'POST_VIEW' drawing with gpu.types.GPUShader(vertex_shader, fragment_shader)

I can use gpu.shader.from_builtin("2D_UNIFORM_COLOR") to draw a square to a view (the nodeview), and give it a single color, but I want to use a custom shader. Does ...
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27 views

How to remove shininess from an object?

Im making a game asset and i dont want any parts of my mesh to be shiny or reflect light like in the image attached. Im going to texture paint it so i just want to see the base color when i paint, i ...
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2answers
68 views

recreate electron microscope material

i realize a similar question has been asked before, but nothing specifically discussing the topic of recreating the materials seen in electron microscopy. the tutorials i have seen use fresnel as a ...
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2answers
52 views

When can you no longer switch from Evee to Cycles render

It is a lot easier to work in Evee, but I'm trying to learn layers and collections. Some actions are not compatible in both Evee and Cycles. I see in some online tutorials the author will say we now ...
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1k views

Does a model exporter embedding materials as GLSL scripts exist?

as described in Blender Shader in OpenGL/GLSL, it is possible to export the (unoptimized) GLSL code generated by Blender for a given material. Since the viewport can use such GLSL for real-time ...
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1answer
52 views

Blender 2.8 My soil shader looks too glossy

I'm trying to do a soil material using the following textures: https://texturehaven.com/tex/?t=coral_ground_02 I applied a 'displaced' modifier and built the shader nodes but my surface looks too ...
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1answer
55 views

Z axis of mapping node in Shader is not working

As you can see in the picture above, touching the values ​​of the X and Y axes moves the texture, but touching the Z value does not move the texture. What should I do? i have new problem. please show ...
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16 views

How to fix blocky shadows on object? [duplicate]

When I render this flag I made, the contact shadows are extremely blocky. I am very new to Blender and 3d modeling as a whole, so I only know the basics and don't know how to fix this. I'm using an ...
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14 views

Why Transparent BSDF blocks reflections of Principled BSDF? (Cycles)

I wanted to share an issue related to Cycles shaders I don't really know how to face. I am rendering a honey pot. Nothing crazy about this. But when I tried to add the sticker I noticed some ...
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1answer
23 views

Eevee - Material Shader - “Ray Length” or Z-index equivalent?

Is there a method of controlling EEVEE shader node values based on distance from the camera? (Something like "Light Path > Ray Length" provides for Cycles shaders.) I know you can render a Z-depth ...
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11 views

Add Shading and textures through Python Script Blender 2.8

I am exporting a character from iclone to blender in alembic format following the tutorial : https://www.youtube.com/watch?v=OkbzAUJgi34 I have the mesh and the textures separately in alembic format ...
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1answer
23 views

How to make edges of adjacent objects be visible?

On the picture below I have planes inside of the other plane, but borders of all these planes disappear visually in Look Dev mode. But I need separate planes to be distinct. I'm not talking about ...
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1answer
130 views

How can I add emission node to volume scatter to create cloud light using point density texture node?

How can I add emission node to volume scatter to create like this using point density texture node? I tried a lot of way but I have not found any solution. I know this node may be looks very complex....
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16 views

How to create a Multi Dimentional Door? [duplicate]

I'm trying to do things with as little of Photoshop as possible, seeing if there is a alt method on how to such effect. So, I have this scene set up where I need this door that leads to a white room ...
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17 views

Outline Eevee Shader with Transparency

Hi, I'm using the solidify modifier with backfacing in the material Editor to create a real-time shader in Eevee. It works great for solid materials. But with Transparency materials, since it's ...
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2answers
35 views

Colorchange of metaballs or surface

Hello my fellow Blenderians, I stuck on a project and maybe you can end my struggle. :-) I made a filament with metaballs (it is more likely a sausage, see the attached pic) and over 100 frames some ...
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1answer
37 views

What is the substitute for gpu.export_shader in Blender 2.80?

I am trying to export GLSL from Blender materials in a scene. This call appears to have been removed from module "gpu" in Blender's Python API as of 2.80. Is there any substitute? How should I proceed?...
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16 views

How can to link the colour of a point light to the RGB colour of another object in the same scene?

In my scene I would like to link the colour of the point light to be the same as the colour of another object, which is determined by the shader applied to that object. The output of that shader is ...
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25 views

Why is the material looking better in the layout workspace than in the shading workspace?

What the title says. My material look lighter and worse in the shading worksapce and in the actual render. Why is that and how to change it so that the material could look like in the default layout.
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17 views

Mesh in Rendered View looks dark compared to other parts of mesh because of an extruded part I made and now I don't know how to fix it

So I extruded to slivers of the body mesh and now the middle faces are weird. here is a picture included. Wondering if its the normals?
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3answers
27 views

smooth shading error on a low poy model creating sharp edges

I have a low poly model with smooth shading enabled on all faces. unfortunately, when I go into rendered view, I see odd sharp lines on the edges and tris not previously seen in lookdev view: Rendered ...
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0answers
24 views

How to create a Low lying fog in fields slowly rising up? [duplicate]

I wan't to create a Meadow Scene and there is a lot of low lying detailed fog that is moving and rising very slowly like these in reference pictures If I adds simple principled volume shader it will ...
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1answer
37 views

Where is the Clamp Node

I've been experimenting with nodes recently and following along with other people's work. I've noticed they used a clamp node that I cannot seem to find in the search menu. This blender documents say ...
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1answer
24 views

Shader script nodes have no parameters

I am trying to do my first OSL shader script. No matter what I do, even when using all the examples, when I add a node for my shader none of the parameters show up as node inputs/outputs as I have ...
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1answer
32 views

Eevee NPR transparency

I feel kind of dumb, it seems like this should be relatively simple. I'm trying to make one level of my NPR shader transparent. I've attached a screenshot to show what I'm trying to do.
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21 views

I can't connect the nodes in the Shading Editor

Following this tutorial: https://www.youtube.com/watch?v=fdWUjEMzDhg (4:40) I have reached the part that I want to add color to the liquid but in the shading nod editor panel the elements are not ...
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1answer
34 views

Donut tutorial: Condensation for coffee cup not adding

I'm doing the donut tutorial. I'm on Part 5, Level 3: Condensation. At 18 minutes Andrew adds a condensation tuxture. I've added a material and the faces I select can change color and I assigned it. I'...
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2answers
4k views

BGE everything white in playmode

When I press P to play everything shows up white in the BGE. Shading is set to GLSL, and the objects are UV mapped and textured. It seems that vertex paint is overriding the material for the object ...
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0answers
9 views

How to see a shader and its nodes thru python or text console?

Can i inspect how a shader node is build seeing it thru python console or text script? it's possible to save/export shaders as scripts?
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0answers
47 views

How do I bake a Bent Normal Map in Blender

The bent normal is the direction where most ambient light comes from. The median ray that did not intersect the mesh. It is not the same as object space normals. A bent normal map could be baked in ...
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1answer
34 views

highlighting intersections

I'm not sure the best way to explain this, but I want a material to mix into an emission shader along the edge where it intersects with another object. This video is a good example:link edit: I want ...
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0answers
33 views

Why does the color on the object not match the color set in the material?

When I use shader in blender. I find it's hard to set a color to object. Just like the picture shows, the output color will change. Is there something worry in my setting? Or. What should I do?
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1answer
31 views

getting mask data into shader network through python or any other way

is it possible to fetch bpy.data.mask[] into cycle or blender internal shader as texture? Thanks.
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1answer
29 views

Metallic multiply shading works in Eevee render but not Cycles?

Ive got 2 different meshes for one armature, one for base textures, one to give some parts of that texture a metal shine using a mask to avoid the non metal bits. In Eevee this works fine as I can set ...