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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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4
votes
1answer
183 views

What happens when you plug a BSDF into a value socket?

What happens when you plug a BSDF (shader) socket into a value (float/color/vector) socket, or vice-versa? Obviously there is no way to convert a function to a value, so what does blender do? From ...
3
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1answer
177 views

Removing black-ish tint in beveled area of clear glass

I can not seem to gt rid of the really annoying BLACK that always seems to show up in Blender Cycles when rendering glass. I've even used a transparent shader to NO avail.
2
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1answer
49 views

How to check if EEVEE or cycles is used?

Is there a way for a shader/material to check if it is being render in EEVEE or cycles? I want to activate different nodes that immitate or indicate some effects that don't work so well in EEVEE, for ...
2
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2answers
376 views

Weird smooth shading

I'm fairly new to Blender 3D and I'm making a model. After applying smooth shading to my character's face, I get weird lighting. Things that I've tried to resolve this problem: Recalculate normals (...
2
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1answer
54 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. ...
2
votes
1answer
361 views

Spaceship exhaust light [duplicate]

So I'm trying to have my X-Wing and Tie fighter exhausts light up like the ones below. Currently, they just look like this which isn't that nice. The material is just a red emission for the Tie ...
2
votes
2answers
514 views

Blending Floor and Background to appear as one

How can I make my horizon/edge of my reflective floor either transparent or blended with the background, so you only see the RVs with shadows and reflections? So far all I've been able to do is set up ...
2
votes
1answer
135 views

Distorted Shading on Model

My model keeps getting distorted shading despite my attempts to fix it. I'm guessing it has to do with some star junctions on the model. What would be a possible solution to this problem and how ...
2
votes
1answer
983 views

Can the blender game engine render diffuse material nodes?

I have a plane with a diffuse material of a blue color, a cube of a red color. I can see them perfectly well using cycles. When I use the game engine render all I get is gray no colors. Can the ...
1
vote
1answer
560 views

Planetary/Atmospheric volumetric clouds

I created a planet in blender a while ago, and now i'm interested in adding volumetric clouds instead of using a 2D texture. I considered adding a bump node to my material, but then it would remove ...
1
vote
1answer
1k views

How create realistic semi gloss paint shader?

How do I recreate the green surface shader? Just the green parts, not the decals. I tried mixing a green diffuse and glossy shader with a layer weight node as the factor. Yet, I'm not able to get that ...
1
vote
1answer
3k views

What's the difference between refraction and glass shader?

I have been experimenting with refraction shader and glass shader (using cycles render) and i noticed that a sphere with refraction shader looks almost the same compared to a sphere that has glass ...
1
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2answers
1k 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 ...
1
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2answers
193 views

Visualise texture based on direction a surface is pointing using Cycles

I would like to apply/blend a shader based on the direction a face is pointing. So basically, if the colors of the axes are used, a cube would look like this: Ideally, also the negative and positive ...
1
vote
1answer
372 views

How to add glossiness on a cartoon shading?

I know I asked something like this before, but this is more centered on the glossiness. How can I add glossiness on a material that has a toon|diffuse shader on it? Do I have to combine the toon|...
1
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2answers
1k views

Weird invisible face issue

Before we get started - I'm a total newbie to Blender. So, take my terminology use with a grain of salt as I'm probably not using the correct words. I'm trying to make a lantern. I built one in ...
1
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2answers
757 views

Shadeless mesh that's being affected by lighting?

For a while now, I've been using the emission node to create shadeless materials and textures: that way, no matter what the lighting or environment is like, the appearance of the material does not ...
0
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1answer
344 views

Creases caused by internal faces

(The title reflects the fact that this issue has been fixed. This makes it easier for others to search, I think.) I have a mesh with unusual creases on both arms and one under the head. This pervades ...
0
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2answers
137 views

Faces shading looks strangely segmented after extrusions

I extruded something from this Obj model and the shading looks segmented as if there were distinct models. I have already checked that my normals are not inside out. Normals look ok:
0
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1answer
2k views

Adding edge wear to (relatively) low-poly mesh

I'm working on modeling some objects, and I would like to add edge wear procedurally in cycles without being forced to use the pointiness node and messing around with subsurf issues (not using subsurf ...
0
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1answer
496 views

Cycles normal input relative to object's rotation

In continuation to this questions: Visualise texture based on direction a surface is pointing using Cycles Mapping the XYZ colors to faces based on their normal orientation works great. But if I ...
0
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0answers
236 views

Cycles nodes: is it possible to get distance to nearest edge?

I want to create a procedural texture that will be based on the geometry of an object. How can I get distance to the nearest edge for the current pixel of an object in Cycles nodes? I hope it is ...
0
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1answer
655 views

How to bake a position map in Blender

How can I bake a position map with Blender, I don't have the option in Cycles baking.
0
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1answer
116 views

Python 2.8 - eliminating shadow by adding emission shader to background plane/image

In Blender 2.8, I have an image/plane ("sky") serving as a background that shows an unwanted shadow from an object in the foreground. Manually, I can eliminate the unwanted shadow on the background '...
0
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1answer
205 views

My smoke is not animating at all

I'm trying to learn how to animate smoke and I found this nice tutorial. I tried to apply the tecnique to my specific situation. Infact I've created a 2D animation with a man that brings his hand/...
0
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1answer
234 views

Why adding transparent shaders don't result in transparency?

As far as I know, in Cycles, when you use an Add Shader node, it simply adds shaders. I'm getting different effects of those I get with other software. For instance, adding nothing to nothing should ...
0
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1answer
491 views

Jagged/Black edges [artifacts] when modeling

[I don´t know if this is a bug only to me or a common problem, for I don´t know why it occurs. I don´t want to active offend against the forum rules!] Hi Blender users! I had a problem once before ...
0
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1answer
524 views

Blender weird shading

I'm having this problem If you notice que is this weird shading on the curve , how can I fix it? i dont really know what it is, I've already tried flipping the normals but nothing, what else can i ...