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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119 views

Adjacent planes rendered in very different colors?

I defined some glossy (Glossy BSDF shader) planes by specifying the four vertices and vertex order for each. They are separate meshes, and there are small cylinders separating them. I rendered them ...
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1answer
290 views

Uneven shading in render but not preview (Cycles)

I am working on an animation of a product in blender using the Cycles renderer. The preview looks good, but the render shows uneven shading in an area. The only reason I can figure for that area ...
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1answer
88 views

Can a surface reflect in black and white?

So I have a gold glossy surface above a plane, and I want the plane to have a black and white reflection of the gold surface. I'm using Cycles Render and the latest version of Blender. Here's a ...
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1answer
33 views

Why constraints ruins material set up?

I'm creating a scene with planets, and I wanted one planet to track to the camera (but not in 100% percent). But when I want to render it the "fresnel node" is acting weird. Why constraints ruined my ...
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1answer
596 views

Blender 2.77 - glass shader looks like glossy shader [closed]

I downloaded Blender v2.77 and try to render Suzanne with HDRI Lighting. First I've used a glossy shader, then a glass shader and it surprises me that the glass shader totally looks like glossy, it'...
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2answers
690 views

Blender Internal Noise Texture not showing in Normal channel

I'm using a Noise Texture (shader) with the Normal influence channel (in BI). And it doesn't show in render. Something does show when I check the Color influence, but not Normal influence. I think I ...
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1answer
528 views

stripe shader no uv unwrapping

I need a shader that achieves the effect in this image, stripes of different colors. This image was produced by uv unwrapping but that would be difficult to achieve on a very complex object. The idea ...
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1answer
318 views

Weird fuzz/shading error on a render of a house model. Help? [duplicate]

As you can see in the render above, there is some weird fuzz on the side of the house, as well as some sort of spiky shade in the triangular area. I would like to know what causes that fuzz. More ...
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1answer
270 views

I'm trying to learn Blender to animate. Am I doing it right? [closed]

The idea of making 3D animations to tell stories has always been attractive to me. Yesterday, I decided to stop hesitating and began learning to use Blender. I am using the YouTube channel tutor4u's ...
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1answer
1k views

Bump map connected to Glossy shader Normal input causes line artifact in render

I wanted to plug a bump map into the normal inputs of a Diffuse and a Glossy shader. But if that is done, for some unknown reason it renders only on part of the mesh. A line across the image will ...
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15 views

How to Export 3D Model with current materials [duplicate]

How would I go about exporting my 3D model and including the shaders I've made and have applied to the objects? Edit: I've spent a lot of time working on a 3D model which uses shaders for materials, ...
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1answer
21 views

Problems with compositing and Shading settings

There is a problem setting up the shadow of my CGI model that I want to add to the camera image on the compositing screen. I can’t intervene in the shadows. In the tutorial I watched (https://youtu.be/...
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8 views

How to Hand paint shadows?

Like on this video, I want to know how is it possible to hand paint shadows that will work for every angle of the model, I am creating an anime stylized model and I want to adjust the shadows to work ...
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17 views

VFX Shot: Dolly into blue screen picture frame that reflects

Hey Blender community, First of all. You are clearly a lovely bunch. I just dove into making my Donut, as guided by Andrew’s great tutorial series, and was delighted at what I learned. I decided I ...
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1answer
19 views

Alpha Layer + Transparency Shader Glitch in Eevee

I am following the CG Geek tutorial in which he details modeling a tree in one minute. (https://youtu.be/y7PdiGXbrD0) I'm running into problems when it comes to shading. When I add a transparent ...
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18 views

Preview in viewport using OpenGL shader

I am trying to apply a custom shader (OpenGL, but if that's not possible I can learn OSL) to a STL. I will not use any lights, cameras, I'm not going to render it eventually. I would like to have the ...
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1answer
14 views

Can I create a shader that uses the distance to the first opaque object behind it?

I'd like to create a 'haze' shader, which is like a translucent shader but which attenuates the translucency depending on the depth of the scene behind it. If this were a game engine, I would do it ...
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11 views

Exporting OBJs that save alpha information properly, so they look normal when imported into eevee

When I first tried exporting my model to OBJ, then importing it into another document, the alpha had a weird staircasing effect: I realized this is because it was still using the alpha from the png, ...
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26 views

Weird gray reflection on the liquid

I'm relatively new to 3D modelling, I'm doing the BlenderGuru's Donut tutorial, I had to mess around with render properties, typically with the light paths' max bounces amount and the transmission, ...
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2answers
23 views

Bevel shader issue

I recently found out about the bevel shader, but when I tried it, it doesn't seem to work. It appears to give me a mix between beveled and not beveled. See attached image. Anyone know what I'm doing ...
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0answers
18 views

Help with grain of sand shading

I'm in need of help. I'm trying to made a single grain of sand in cycles following this reference: I can see that the material needs to be sorta like glass, but with a lot of irregularities in its ...
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0answers
12 views

Shader nodes not shown during render

i have a problem. I try to export my object with it's material. I create a material as called lion-material. Material view works well: But when I export it to in Unity or when I press F12 to get ...
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14 views

Reflective surface not reflecting after certain angle

I am making a low poly headlights for a car and I have made the inside of the lights from reflective surface (mixed ~90% glossy with diffuse and little bit of glass) but from a certain angle it's not ...
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0answers
15 views

Creating a shape from a 4d function?

I am very new to Blender, but have experience with GLSL. I want to be able to create shapes using a function that takes in all locations in 3D space, and returns 1, to fill it in, 0, to leave empty (...
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36 views

Material of an object (nodes) wont load unless I duplicate the object

Here is a screen recording showing the issue I have: https://www.dropbox.com/s/owo4yfxuyfdvwfa/BlenderHelp.mp4?dl=0 This is my situation. I troubleshot for a long time and could find anything online, ...
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27 views

When I apply a material objects loses self shadow

When I apply a material in Blender the objects lose self shadow. Not the shadow it casts but on its back faces, if that makes sense.
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1answer
39 views

Blender 2.82 - Lighting glitching out during render?

this is my first time doing this because I can't seem to find the answer anywhere. Basically, I'm trying to make a scene with the freestyle mode on it. I also made the colour shade on the model look ...
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0answers
37 views

Is it possible to code a new Material Node?

So, I haven't got a clear answer but I suspect is No. I want to create a new Image Texture Node with additional functions (Automatic scaling based on Dpi, re-position texture, switch UV map, etc.... ...
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22 views

Partially Transparent Meshes in EEVEE Render

This is my mesh: As you can see, in rendered view the mesh is partially transparent, in that you can see the side and the back directly through the front. The Shading setup is just a image plugged ...
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24 views

When I work with materials and shading, suddenly the app closes

When I work with materials and shading the app suddenly closes. Is there something wrong with my pc or blender?
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0answers
16 views

Texture showing as black when rendered if I use my GPU

If I render with my CPU it turns out fine but if I render with my GPU my water texture shows as black. It's a procedural texture so I can't be running out of memory on my GPU, I'm rendering with ...
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23 views

Angle between reflected light and facing camera vector

I want to set the color of a material based on the angle between the reflected light ray and the camera angle using a gradient. Maybe there is a simpler way, but I think I've to use vector math to ...
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0answers
20 views

How to get light and shadows to overlay certain colors?

I'm working on a 3D style that emulates my illustration style. Example: I'm trying to figure out how to make shadows apply a purple shade (mulitply) and a yellow for highlights (add). I know the Mix ...
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0answers
16 views

Weird shadow on cycles preview? [duplicate]

I have this weird shape that suggest some smoothing issue in cycles geometry is shaded smooth tho...
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0answers
31 views

Animation Nodes Image stack to volume Blender 2.82/3

Is it possible to stack a sequence of images as a texture for a volume shader similar to what can be done in Houdini Convert Slice images to Volume There is an example of what has been done in Blender ...
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0answers
13 views

Exporting FBX with Shaders to Unity [duplicate]

I'm trying to export a fbx object in blender to use in unity but it exports without the shaders I made in blender and ends up as blank white objects. What is the proper process to make this work?
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114 views

How to access mipmapping for renderToTexture in bge?

I am using the following script to create an object with a render of another part of the scene on it (in a pixel style). I'm trying to disable mipmapping for the video texture, which doesn't seem to ...
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0answers
28 views

Why is the Particle Info Node not compatible with Eevee?

I have used the particle info node successfully with Cycles renderer. What is the technical or semi technical explanation as to why the particle info node is not working with Eevee at the current ...
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0answers
27 views

How can i make color animation (as a sci fi wall)

I am new to Blender. I made a wall but unfortunately i can't make the background material
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0answers
26 views

How to make a wet shader with running raindrops etc?

Im curious how I would go about creating a wet shader that looks a bit like the image below. the image is of need for speed rivals because it has quite a cool running water effect. Water droplets are ...
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0answers
9 views

sequenced images as planes (green screen movies) makes 3d viewer lag drastically

I inserted RBGA PNG files as planes into the 3D viewport, and Lookdev viewer slows below five fps and becomes unusable for analyzing by eye whether the image sequence chopped up onto different planes ...
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0answers
10 views

How could I access a game property from GLSL?

I would like to be able to access the default props in the bge from the general shading language. Is this possible? If so how is it done? By default props I mean the game engine variables you assign ...
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0answers
9 views

Weird Shadows In Render And Material Doesnt Show Up As Expected

When I render the object, the shadows are looking weird. Also, I expect the outer part of the cable to look like shiny metal, but it is not what I expect. Can someone please tell me if there is any ...
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1answer
37 views

How to render a world position pass that includes volumetrics?

I've found the 'how to render a world position pass' Q&A on here, but I'm stuck at how to render one that includes volumetric objects (smoke in a domain object), it does not show in the render ...
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2answers
32 views

Noise texture shading

I'm trying to add a noise texture to one of my objects, to give it some realism. In IMG 01 there's a green shape with some noise texture which has been added within Photoshop. In IMG 02 I added ...
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0answers
20 views

Water for video games

Hey there Blender commune:) I made a water shader in blender and it works in Evee can it also work in unity if it works in blender? here is a pic of my node setup:)
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34 views

BoxCutter, Hard Ops: Shading Problem

I used BoxCutter and mirroring with Hard Ops(Alt+X). Now I have a shading problem in the split section. Look at the top-left and right corners here:-
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0answers
31 views

EEVEE Color pass with AO

I found this amazing NPR Shading project. When I download the project and just render it in EEVEE it looks great, and I want to recreate this in my own project. I ONLY need to render the flat ...
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0answers
52 views

Creating camera lens material

I'm creating a camera lens, and I have problems with creating a glass material. As you know, this kind of glass has colored reflections caused by special anti reflective coating (actually, glasses ...
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0answers
13 views

How to make light emitting colored particles appearing fully opaque?

I've lost my way to figure out how to make colored particles, emitting light, appearing fully opaque. The white particles seeems correct though. Both sources ("emittants") in stream have the same ...

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