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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15 views

Connecting Node Group output to material output using Python script

How can i connect output of a node group to a material output node in blender 2.8 using python script ? ...
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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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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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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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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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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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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 ...
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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 ...
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1answer
107 views

Using Python, how can I preset points in ShaderNode RGB Curves?

I have referred to https://blenderartists.org/t/how-to-modify-rgb-curve-nodes-in-compositor/503936 hoping the technique would be same or similar for shader nodes. I have also checked Is there a way ...
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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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36 views

Add material to text's bevel?

How do I add one material to the whole text (excluding the bevel) and a separate material that only applies to the bevel of the text? For example, if I wanted to have this tile material on the whole ...
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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 ...
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shading view is different than render view [duplicate]

hello community I am much worried while adding material to the objects in blender 2.8. I am facing problem that the shading view show the accurate colors what I do made as shown in figure below. as ...
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Mesh/Shading Issue in Blender 2.8

I'm not too sure what is going on here to be honest. I had seperated the part of the mesh where the cockpit windows are, but when I joined it back up together, It shows me a weird shading that I can'...
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Why are the backgrounde/surroundings of intro templates not working?

I tested a few intro templates and with all of them I have the same problem: I can change the text and the animation of it and additional elements are working fine but the background/surrounding is ...
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how to make edge fade away with principled volume shader

how can i make edge on the atmosphere fade onto nothingness, right now it is to noticeable where it ends. I am using only principled volume shader and the density is at 0.0003. Changing density does ...
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Shading/Light problem on project

I have made this well but it doesn't look very real and I think because of the shading. Can anyone help to add more shading to the bottom of the support beam and the base of the bricks? I have linked ...
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Displacement`s type=Wood add in shader Editor

There is Displacements type Wood. It is just black lines. I would like to use this Wood texture in my shader. Can i add this ...
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2answers
23 views

How do I turn a scene into a 3-color…logo or cartoon looking image?

I want to turn a scene into a more graphic-design looking image, something that can be screen printed onto a T-shirt which means few colors. Is there a conventional way to do that which makes the ...
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3answers
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How can I get a more realistic looking Tomato?

I just modelled this tomato in blender 2.80 : and was wondering how could I get it to look more life like, after fiddling around with nodes I got this: I used this node setup: How can I ...
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24 views

Render Problem with a Glas Material and the Archipack addon

I struggle with a more or less realistic enviroment for my prototype model of my desk. So first the preview, with cycles (left side). When I render the scene, the door glas is white and not ...
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43 views

Blender won't render any bump maps

So, I've recently sculpted a head, now I've added eyeballs. But the eyeballs won't render my bump map even when i connect it to displacement
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Nodes when i click material option then my principle shader can't connected to material output

When I Going Material Options then my nodes can't connect already having this issue and alsoni tried manually to connect principle shader to material output but same problem please help
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1answer
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Objects rendering well in Shading but not in Layout

I'm newish to blender and have been trying some stuff for fun. When in the Shading tab my two objects look like this But when in Layout tab it looks like this Is this because there is a lack of ...
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35 views

How Can I Achieve This “image bleed” Background Effect?

I am new to blender and I'm trying to figure out how to get objects and images to bleed onto a background. Video E.G.: Look at the background and how objects are being printed onto it I ...
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1answer
70 views

Strange shader/material on all my cubes I created in blender 2.8

Sorry if this is trivial but I can't figure out what this is and how I can disable it. I have this strange shader/material (don't know which exactly it is) artifact on all my objects: You see the ...
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2answers
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Translucency amount control

I have created a plant with leaves. I have used a leaf texture to with a translucent shader . But I want to be able to control the amount of translucency . Which node can I use to achieve control of ...
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1answer
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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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1answer
567 views

How to make physically accurate silver in Cycles?

I need extremely accurate representation of real world silver in my curren project. We can approximate "close enought" in cycles, but this time i need it to be accurate. Other commercial rendering ...
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1answer
53 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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1answer
82 views

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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2answers
999 views

Lightsaber effect in cycles without compositing?

couldn't find anything on the internet for something like this, but is there a simple node setup for creating a material (in cycles) for a lightsaber blade? Simply white in the centre with a coloured ...
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1answer
147 views

Can I only Render light that psses through an object?

In the image below I would like only the light that passes through the sphere, in this case the bright dot in the center, to be visible. Is there a way to set this up in cycles? Thanks, Tyler
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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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32 views

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
36 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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17 views

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
12 views

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
101 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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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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3answers
23k views

How to import Downloaded Materials/Files?

This is an absolute beginner question, I'm hoping it's not to broad, I will attempt to narrow it down. I have just downloaded a handful of .zip files for several material packages (all for cycle ...
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111 views

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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48 views

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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1answer
157 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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1answer
174 views

Stretching Polar Coordinates

So I added a sphere grabbed the object coordinates and converted them into polar coordinates. Because I don't need a perfectly round circle on the outside of the sphere, I scaled the X coordinates up ...
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42 views

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
105 views

Imported object into unity lighting not working correctly

So the jist of it is I'm trying to get a toon shader to work on imported object from blender, I get this terrible looking jagged lighting in unity. ( the left tombstone ignore the one on the right )...