Questions tagged [shaders]

A shader is a computer program that 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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1answer
110 views

How to mix three different shaders on the same material?

So I came across some difficulties with the "Mix shader" node in cycles. I have 3 textures on a label: gold, paper and rough black letters. How can I mix these effects? I can make 2 ...
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1answer
19 views

I'm getting these weird spots on my Mechanical arm?

I'm getting these weird spots on the fingers of my mechanical arm and I'm not sure why. Does anyone have any experience with this??? I do have an image texture for the scrapes, but I have no idea why ...
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How to compute the output value(s) of a node in the shader editor at a specified location on the surface of an object using C/C++?

I've been working on an addon that requires to calculate the output value(s) of a specified node in the shader editor at specified locations (generated using my own algorithm) on an object. How can I ...
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19 views

Why are shadows constant on my model?

I was following this tutorial - https://www.youtube.com/watch?v=TpWI2rU8iF0 and applied it to my model. However, despite being lit from above, the shadows seem to persist in certain angles with the ...
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1answer
191 views

Why is there no glow with the emission shader added?

I added keyframes but when I played the animation the emission shader doesn't seem to work. The object in the screenshot is supposed to flash.
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Do I need to add a MixRGB node for all of my decals in order for their colors to be changed in a 3D configurator?

I am preparing a blender model for a 3D configurator, which I have never done before, and I need the logos to be able to change color with certain color changes to the main surfaces of the model. Do I ...
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7 views

is it possible to export model with animation made through shaders to FBX? [duplicate]

I have a model with an animated shader on it, and I would like to export it to fbx, but without losing this animation is it possible?
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1answer
85 views

“extra shading pie menu items” option not showing in custom keymap

In Blender 2.80 in Properties > Keymap if you use the standard Blender preset you get Preferences windows with option to check "extra shading pie menu items" option under Tilde Action. This option ...
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25 views

Create LightCone (GodRays) with only light, no black, much transparencies; to place over (Alpha Over in VideoEditing) a video

Sorry to come again with this. In Blender 2.79b this works easily and perfectly by just switching on "Halo" in the "Spot" setting. Didn't even set the World's Alpha to "...
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41 views

How to make 3D model shader have a Digital 2D look?

So, iv been banging my head on this for awhile now, trying to figure out how I would go about making a shader (for my 3D character) look 2D. The intersections here are what I'm after, I have messed ...
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1answer
46 views

How to alternate red/green color for a line chart based on segment direction?

I am working on a project to create procedural line charts (e.g. share market charts): https://drive.google.com/file/d/1WlDstmXDMZRSIO0d8xzP-R15kM1hdkp7/view?usp=sharing Here's how I did it: I took ...
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1answer
81 views

Merging verts by distance breaks smooth shading (Blender 2.8)

I created a wall piece from a cube, applied smooth shading to it and then used the array modifier, but after merging the verts by distance, it mixes up the normals in a random fashion, while for the ...
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Is it possible to render shadows pixel perfect to UV textures without modifying Blender's source code?

To match the style of low poly pixel textured art, I would like to render shadows onto other meshes (at the very least a flat ground plane) with shadow values snapped per pixel of the UV of other ...
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1answer
35 views

How do I achieve this look for the viewport?

How do you get your objects to look like that? is it an addon/plugin/shader/a setting you change? Tried searching for an ambient occlusion shader or something but came up with nothing. I was watching ...
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Shader Editor: sticky header while moving nodes?

It seems that Blender UI designers decided that whenever the user moves anything, the UI needs to change to display some kind of information, even if it is completely useless. In the Shader Editor, if ...
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22 views

Background in shading mode is always black

In shading mode the background behind my object is always black. Why is this happening? is it because my pc spec is low or what? my pc spec is core-i5, 6 GB ram with built in graphics card intel hd ...
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1answer
87 views

How to change a certain parameter of all principled shaders in my blend file?

I have like 100 objects, each with its own material, different mesh, own texture and UV maps. I want to immediately adjust only one parameter for all the materials, say: metallic but I want to keep ...
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8 views

copying/editing a material animation parameter

I would like to copy/paste or somehow apply the same animation parameter of one material to another. For example I have a mix shader in one material where I'd like to apply a similar Mix Factor to a ...
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1answer
14 views

Texture Inflating in Parts of Mesh

I'm working on a mesh and I applied a displacement node, however around the arms and legs the texture gets significantly larger. How do I make the texture the same size everywhere?
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20 views

Toon shaded fur. Having fur use the normals from the mesh underneath

the look i'm trying to achieve is similar to this. Toon shaded similar to LOZ: Breath of the wild. I'm using the Lighting Boy Studio 2.0 shader library. But it's same principle as with a single simple ...
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0answers
13 views

Removing shadows from an object, not the shadow being casted

I've got a model that looks best when rendered through the Workbench render engine, but for a specific scene I would like it to still be able to cast shadows. Is there a certain way for the model to ...
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0answers
15 views

Blender 2.9 - script how to add a material shader nodes tree? [duplicate]

In blender 2.9, I got a selected object and need to add a new material in a new slot with a script addon. I need some examples for doing a material shader nodes tree in 2.9 Ex: How to adding some ...
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1answer
14 views

An Issue while applying texture to all the ivy generated curves

So I am currently following a tutorial by tutor4u, on ivy gen . https://www.youtube.com/watch?v=LshPEGiHsqc So the problem I have is that, there is the stage in the video where he selected one ivy ...
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2answers
77 views

Can i use a “Image texture” node as a “colorramp” node?

I kind of know how to change a models shading with a color ramp but most of the time I'm in a situation where I have to use a gradient that isn't in a gradient format like png or jpg. i have no way to ...
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36 views

Is it possible to reduce light emission to some directions?

Currently, I have a scene like this - But I'd like the lights to look brighter and see the actual rays, instead the space between green ones darker. It is possible to change the glow effect in the ...
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83 views

procedural label texture

how is possible make a label design all with nodes with the shader editor in Blender (basic rectangles shapes and letter)? I add the final result done with Illustrator.
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42 views

Question about shading color

The left is the color I paint in Texture paint. The right is the color shown on my model. It is so different. Please help why the two-color are different.
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55 views

Recreating colored glass shader from VRay/Max to Blender/Cycles

Edit: Blend file: I am converting a somewhat simple scene from 3DSMax/VRay to Blender/Cycles. I'm almost done with the conversion, but I am having trouble with matching the glass shader used in the ...
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0answers
10 views

How to export FBX with random colours generated by shader and particle system? [duplicate]

I'm using the particle system to randomly generate items instead of manually doing it one by one, and then I'm utilizing shaders with a color ramp and random to randomize the base color of the ...
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0answers
22 views

Blender renders HDRI instead of Material

I have added an HDRI background to my world like in the screenshot and in the material preview it shows me the correct materials on the wall. Yet, when I hit render, the walls are replaced with the ...
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2answers
192 views

Animating object's transparency in NLA editor

I would like to animate a short promo for a game I am making. I have various objects with different animations all set up nicely in the NLA editor. I would like to have some of those objects appear ...
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1answer
31 views

Two objects with same materials, modifiers and lighting are different

What the title says. I have multicolor bubble materials in one project that look like bubbles. I have another project where I'm trying to recreate the material and it kind of looks like a clear bubble ...
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1answer
50 views

Can't get transparency right for God Rays

I want to get a Hologram effect like in the image uploaded here: I need to place the hologram over a real video clip, so lots of transparency. Works perfectly, following this guy's advice here. Now I ...
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3answers
54 views

Black marble Node material

Hi I'd like to create a marble chessboard with white and black squares. For the white Rectangles I use the material shown in the picture. What I want to create now is a identical material for black ...
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0answers
34 views

How can I render realistically? [duplicate]

I have the problem, that all my object look very unrealistic, even with shaders on them. I broke the problem down to copying a template object to my Blender file. In the original, it looks very ...
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1answer
37 views

How to render flat shading just like LookDev in Blender?

I'm making graphics for a tile based game that has 2.5D look. I am making most assets in blender, and everything works out great, except for the walls, that have to have seamless tiling. I am using a ...
2
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1answer
182 views

get this gradient style in blender

I'm trying to get this gradient style: My best result are with eevee with volumetric and gradient on a metaball, but i cannot figure out how to get the gradient fill the totally of the metaballs like ...
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1answer
386 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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0answers
27 views

Substance Painter hegiht map texture is missing details in Blender (Low poly)

I made this texture in substance painter with some little details in the handle and handle protection: But after exporting the textures and importing them in blender most of the details are missing: ...
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1answer
32 views

Shading issues after normals baking

a). I baked normal map and applyed it to lowpoly mesh and I made 3 clones of it with different options for demonstration purposes b). I got the issue with shading What I want to be: lowpoly mesh ...
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2answers
121 views

How can I turn nodes that made in shader editor to script? [duplicate]

I want to make a button and when I press it, it will apply the material I made, that mean the nodes. I try different way to type script but it wasn't work. ...
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2answers
304 views

Create a zoomable starfield

Background Almost all stars are so distant that they cannot be optically resolved, and instead appear as point sources. (Here's the short list of exceptions.) This means that if you look up at a spot ...
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1answer
27 views

Get camera focal length as scalar value in shader node

How can I obtain the active camera's focal length (or any other scalar property) as an input to a shader node's scalar value?
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1answer
392 views

Control MixShader value by shape key value

I have a Mix Shader mixing two textures and one shape key applied to an object. I want to control the mix shader value from the shape key slider. I think this is achievable by using drivers but i ...
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1answer
28 views

My “Mix Shader” node doesn't have a “Fac” input socket

I have seen some videos, but I noticed that there is a problem, is there no "fac" command on Mix Shaders? i can't find it... (blender is in italian: "somma ombreggiature" ==> &...
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1answer
13 views

Using quick smoke cannot change from smoke to fire

When I use quick effects -> quick smoke to create my domain and stuff for me, I have had trouble if I made a mistake as to wether I wanted smoke or fire, and then tried to change it later. Once it ...
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1answer
31 views

How to apply a png texture over my material? [duplicate]

everybody! I making a Barbie style doll model. I've UV mapped the face part and created her eyes and lips using photoshop and saved the texture as a png. The face has a node setup for plastic looking ...
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0answers
14 views

How to replace texture images for a lot of materials in one go using scripting?

So I have a scene with many materials which use a set of psd-files as source. Now I would like to replace those images with tif-files. Those tif-files have the same name as the psds and the same file-...
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1answer
45 views

Blender 2.9 Eevee- Materials and textures not showing in render or viewport shading (Update)

(Update: I am NOT using a AMD GPU, so the question that has been answered referring to changing the AMD GPU driver to its previous version does NOT work for me. So now I am reposting the question to ...
3
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1answer
63 views

Image Texturing - Using cycle's nodes to scale image texture and randomly rotate them

Is there a way to randomly rotate an image texture randomly and keep its mapping scalable? Im sure this has already been asked but can't seem to find it. If someone can redirect me to the appropriate ...

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