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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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8 views

Help with fake rim light shader

Im trying to recreate this stylized rim light effect I found on twitter. https://twitter.com/mozuya_/status/1163003220190384128 https://twitter.com/mozuya_/status/1078781961945047040 The effect is ...
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7 views

Glitching in Look Dev mode using emission node [duplicate]

I've been working on a model which has crystals with a "glow" effect, so I duplicated something I'd done in 2.7 and added an emission node to the shader connected to the volume input. When I do that ...
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26 views

Use incoming light as a mask?

I'm making a shader for people that relies heavily on the ability to take incoming light and use it as a way of blending 2 materials. For Eevee, it works perfectly. Take a diffuse shader, plug it into ...
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2answers
51 views

Forged Carbon Material

Maybe someone can help me. I've been trying for some time now to get Forged Carbon as realistic a texture as possible. Are there shaders that can be combined, or do I have to create an image texture? ...
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15 views

Get node tree result values at certain points on mesh surface using Python?

Blender 2.80. I have material with several different textures (generated noises, images, etc.) mixed using nodes in Shader Editor. This material is assigned to the mesh. Is it possible using Python ...
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21 views

How to hide HDRI background in blender 2.80?

I have the same problem then Atek (here). "I have added an hdri environment file and i want to use the lights and not the background image. Is there any option present to hide the image and just use ...
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1answer
19 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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1answer
16 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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18 views

Model looks weird in rendered view

I have modeled a googly eye and added a simple principled shader with full transmission but when I view it in rendered view, there is a weird black thing along it's edge. I have not encountered it ...
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14 views

Problem with Texture Mapping (Brick Texture works only on on surface and not on that ones who are normal to it)

I want to make a headphone with a fabrik patern. But when I want to use the Brick Texture with a UV map, I get the pattern only on one the sides and not on top and at the bottom of the model. What I'm ...
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1answer
29 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
64 views

Selectively mix shaders based on color input

This might be a bit confusing, so my apologies before hand. I'm making a shader/nodegroup that emulates colors under a blacklight. For most colors (greens, reds, blues), it works just fine and looks ...
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10 views

Toon shading Shadows shows inaccurate results

I have never worked with Toon-style Shading in Blender, and as a result, never had to play around with shadows too much. I apologize in advance if this turns out to be a simple human error The part ...
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21 views

How do I make procedural textures match UVs correctly?

I've been working on shaders in Blender (2.8) and I came across an issue where the Wave Textures that I have don't match my UVs. This is how it looks: But I want it to all scale down to the middle ...
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1answer
14 views

Make transparent effect by nodes

I need a material for my leaf. I have an alpha texture but i dont know ho to make like a transparent effect( i dont know how to name it) how can i do like on a picture?
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26 views

How do I get black to stay black?

My intent is to have a black letter on a bright white background. I have played around with lighting, roughness, etc but I just can't get the clean colors I want - just these different shades of grey....
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31 views

Transparent Cloth Shader [duplicate]

I hope u can help me out, I want to make a Ghost with this shader. Would be nice if someone can help
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1answer
21 views

Blender Crashes Requesting more GPU Memory

I was working on the nodes withing the shader editor and suddenly this pop up appeared asking for more GPU memory. The current configuration of my system is 16 gb ram nvidia quadro k2000 2gb It ...
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0answers
20 views

gbl shader blender 2.8

After adding an draw handler to my operator my terminal is showing the following: ...
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1answer
18 views

Shader Editor not match selected material

I selected the glass which is glass, but under the shading, all the nodes are the donuts. What did I do wrong that the nodes are not matching with the selection? Thanks a lot!
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22 views

Character Model Hair

I am working on a mid-poly character for a third person shooter in Unreal Engine 4, however I'm running into difficulty with her hair. So far I've been making basic hair cards, mainly just repeating ...
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1answer
40 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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15 views

Volume absorption node Eevee

Is there render settings I can change to use the volume absorption node in eevee
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1answer
51 views

How can an accurate height map be created in Blender?

We have been working to create a height map output with the shader editor. We have a plane that has been sculpted into a terrain. We have applied a material with the following node setup to get the ...
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17 views

A Node Setup that converts a greyscale bump texture into an RGB normal map… possible?

I want to create a pbr texture (voronoi based) and then have it converted procedurally into a normal map, which can then be plugged in to the normal node. (do not want to use bump node) Surely this ...
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6 views

Can't change shading presets in Blender Shading tab

When I am to go into the shading tab in Blender and try to change the background HDRI like so I can't change the shading settings. Can anyone help.
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1answer
40 views

Cycles Procedural Square using Polar Coordinates

I'm using Blender 2.8 and trying to get a grasp on procedural textures. For fun, I was following through the list here at https://thndl.com/square-shaped-shaders.html and now I'm stuck. Equation I'm ...
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0answers
8 views

Change ColourRamp value based on the intensity of shadows cast onto an object, in eevee

I'm making a simple toon shader in eevee, following simplistic shading methods - take TheOdd1sOut's character shading as an example. Every time I do this however, it's really difficult to get the ...
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1answer
15 views

How to create a new material and set it has active material using python script

How can I create a new material and set it active material on the active object using python script.
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0answers
18 views

Diffuse render pass looks different from original texture

I have tried to follow these instructions on how to get a diffuse render pass of a brick texture that exactly replicates the original colors of the texture. But even with all the settings in place I ...
2
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1answer
190 views

Physically accurate water shader

I'm a bit tired of faking it and I'd like to craft a physically accurate water shader in cycles that works in most situations with minimal tweaking. I haven't found a solution yet and i'd appreciate ...
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1answer
62 views

Metalic shader glitch in blender

I believe there is a glitch in blender. When I move the metalic shader in the principled bsdf it is completely unresponsive. I am unable to make the trash bin metalic. I tried uninstalling blender ...
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0answers
11 views

Wrinkle Surface [duplicate]

I made this mesh extruding a svg curve from Ilustrator. The idea, as you can see on the modifiers panel is to bend it. I understand that for this I need to divide the face with edges so that I can ...
2
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1answer
49 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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1answer
10 views

Is it possible to edit 2 nodes at the same time ? In 2 windows

In each window one different node to edit, im trying to, but when i switch one the other one switches too...
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0answers
30 views

Why does my Look Dev Mode look completely glitched?

Today marks my first day's experience with blender. Complete newbie here. I've been following a tutorial on building simple characters and getting familiar with the work space. I noticed something ...
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1answer
28 views

Character wiping fog off a mirror using dynamic paint

I've been making a scene where a character wipes fog and water droplets off a mirror to reflect themselves. I made a dynamic paint sequence using the character as the brush, but i cant work out the ...
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2answers
30 views

Is there implementation of tri-planar mapping in Cycles renderer?

Is it possible to have tri-planar mapping in cycles? Like in corona renderer or fstorm?
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0answers
26 views

How to add smooth step equation to a shader node graph?

I'm trying to add some math to a shader network that I'm building. I want to take a numeric output from a node and pipe it through the equation f(x) = -2x^3 + 3x^2 (this is sometimes called the ...
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0answers
33 views

Create a Material using Python script

I have Created a Node group Using Python Script and Now I wan't is To Convert This To Add-on, I Wanted that whenever I click a Button "Add Test Material", It Create a Material which consist of That ...
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0answers
11 views

Normal map covering entire mesh. How do I assign new shaders to parts without overwriting the normal map?

So my mesh is just a person. I've sculpted it, retopologized it and baked a normal map for it. Now the problem is that I want to assign textures to part of the mesh like skin, textiles etc.
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0answers
22 views

How to append a material and make it the active material using python?

I have appended a material from another file using the following script: ...
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0answers
21 views

Shader does not change color of surface

I don't know wether it is just me or that is a bug but still: When I'm trying to change surface color through shader (Pricipled BDSF) surface color doesn't react at all. All other things do have an ...
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1answer
22 views

How to Delete Color Stops of Color Ramp using Python

I have Added a Color ramp in my node editor using a Script and I wan't that the Color Stops That Are Available by default Should be Deleted. before I add new stops I know how to add new stops but i ...
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0answers
24 views

How can i build a texture similar to a tennis ball

i am trying to make a texture similar to either a tennis ball, or a towel. I know they are quite different, but I was wondering if something in between the two were possible to create as a procedural ...
2
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1answer
42 views

How To Append a Node group from another Blend file Using Python Script

How To Append a Node group from another Blend file that is Present in my D drive on my windows computer. I wan't to Append a Material and path to my material is - - D:\2.8\Test01.blend\Material\...
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1answer
27 views

Nodes wont show up in 3D viewport

I am trying to toon shade my model however nothing is showing up in the 3D view port. I have done everything the videos have told me to do to start a material with shading, and it can be seen on the ...
2
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1answer
40 views

Generate geometry using geometry shader

I have some points which represent polylines. I want to convert this polylines into geometry for which I am creating a curve and an object containing this object. ...
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1answer
37 views

Eevee autosmooth

I am making an eye in 2.8 and came across a problem with shading. Mesh edges reflected the inside and whole thing appeared flat even with smooth shading applied. Here is the same mesh subdivided 6 ...
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1answer
33 views

How to get objects to show up as one of 3 colors or more

So if I were to have a particle system and I had it emitting a object that has emission shader on it how would I get the emitted particles to be one of 3 colors with out having to create 3 particle ...