We’re rewarding the question askers & reputations are being recalculated! Read more.

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.

Filter by
Sorted by
Tagged with
9
votes
2answers
14k views

How can I make a surface look wet in cycles?

I am trying to recreate a wet road with lights reflecting off of it. I started by making the object glossy but this did not give a very realistic look I think I need to increase the specularity of ...
9
votes
2answers
992 views

How to use color ramp with torus

I have a torus and I need the material to use a color ramp so that all the surface has one color (red) except for a strip along the longest edge (yellow). Something like this: I tried unrap in every ...
9
votes
2answers
994 views

What exactly *is* a “closure”?

As I understand it, a "closure" is the thing passed out of those green dots on the ends of those magic black boxes known as "shaders": I've vaguely imagined that they somehow described a sort of "...
9
votes
1answer
2k views

How exactly does the Sigma parameter affect the Velvet shader?

How does the Sigma value of the Cycles Velvet BSDF shader work? Intuitively, it seems to serve as some sort of ceiling value for the shading. How does it affect the light bouncing? I've looked at the ...
9
votes
2answers
3k views

How to create fire materials using the new Principled Volume node that visually look the same as the “old method” of fire materials?

There is a new volumetric shader node called "Principled Volume" in Blender 2.79 as of this commit. It appears to support a new temperature attribute, using blackbody temperature. Using the more or ...
9
votes
1answer
294 views

Can I use something similar to the ParticleInfo Node but for meta objects?

In cycles you can control the color of a Particle-(dupli)Object with the ParticleInfo Node. You can, for example, divide Particle Age by Lifetime and use the result as factor for a mix shader. I ...
8
votes
3answers
6k views

Procedural polka dot pattern with cycles

I would like to generate a polka dot pattern using material nodes. In the meantime I found this script which seems to achieve exactly what I want. However, when I create a script node, link to the ...
8
votes
2answers
470 views

How to normalize the color values of a shader (Pointiness)?

The contrast for the pointiness changes depending on the vertex density on the model. The Normalize node to have a value range of 0 to 1 isn't available in the shader editor. I thought it would be ...
8
votes
1answer
15k views

How to make a crystal material?

How to make a crystal material in cycles with the node editor? Much like this - Not exactly like the image because I'm trying to make an object with a light that is emitting from the center of the ...
8
votes
1answer
2k views

how to make a realistic sugar cube material?

I have been struggling with this for a while, and can't figure out help. I would like to make a realistic sugar cube material procedural, but so far I couldn't manage to get a satisfactory result, can ...
8
votes
1answer
1k views

What is wrong with this OSL shader?

I don't understand what is wrong with this shader ...
8
votes
3answers
1k views

Light path Transparent/Diffuse Depth

I'm working on a cycles shader that requires thickness information, and by that I mean interaction between the mesh with the shader itself and other objects inside it, in a way that as closer a ...
8
votes
2answers
584 views

Emission shader color saturation clipping

I stumbled on a trick that while working on one project that will help me with another, but I am not sure why it works. When I set the color of an emission shader to a saturation of 1 the shader ...
8
votes
2answers
633 views

How to match material properties to physical reality?

I'm trying to make a realistic gold shader. I would like to know what is the right way to match the information found on refractiveindex.info (for gold: http://refractiveindex.info/?shelf=3d&book=...
8
votes
1answer
419 views

Recreating the line detail in shadows from The Wolf Among Us in blender?

This is my first year of using blender so I don't have a lot of experience in blender at all. I'm trying to recreate an effect that Telltale used in The Wolf Among Us for my short film. I don't ...
7
votes
3answers
21k views

Cycles Materials to Unity Shader

I have a really nice looking crystal material using cycles applied to my object; it's pretty fast and very simple - Just one glass node. Is there any way to convert this into an HLSL shader for use ...
7
votes
2answers
2k views

Rendering sharp shadow on cycle rendering

I would generate a clear shadow projected on a floor. I am wondering what is the essential node used to achieve this. I am using these nodes and I get this image, I remark that the shadow is ...
7
votes
2answers
3k views

Convert cycles closure (shader) output to colors?

Is it possible to convert the output of a cycles Shader node to colors? For example to use an ambient occlusion shader output to multiply or darken act as a mix factor between other shaders?
7
votes
4answers
5k views

How to get random color variation on a single mesh?

I am trying to get color variation and to bake it in a single mesh but the Object Info Random only works if i separate the meshes. Is there an alternative way to get the same result with the meshes ...
7
votes
3answers
3k views

Shader: Rounded edge between the two intersecting faces?

Is there way to do "Rounded Edge Width" in Blender? It's familiar for me from Modo. Anyone know the trick? Like Modo's Rounded Edge Width. Couple links for reference: From the modo documentation: ...
7
votes
2answers
3k views

Slope of geometry as `fac` input for cycles material

I have a terrain with two materials going into a Mix Shader, I want the fac input to be the slope of the terrain. Steep parts should be one color, flat part another.
7
votes
1answer
4k views

How to bake a fake SSS map (thickness map)

I am creating a character and I want to bake a fake SSS map that I can combine with my albedo map for my character and save resources instead of calculating the SSS in real time.
7
votes
1answer
2k views

How do I achieve a Shader Similar to Super Hot's Furniture and Enemies?

I've been playing around with cycle nodes for the better part of 2 days in Blender, but I'm getting no closer to my desired result. Instead, I'm getting washed out colors or terrible refractions. I'm ...
7
votes
4answers
471 views

Flatten shading on cylinder

This image shows two of the same curve, one beveled into a cylinder, and one extruded into a flat plane. The material is a Diffuse mixed with glossy at .1 fac. The top cylinder gets a strong ...
7
votes
2answers
2k views

How to create a gradient colour like on the picture and the apply it on a mesh

I am making a logo like on the picture with blender , but the colour of the text doesn't come up as it should be .
7
votes
1answer
1k views

Star Trek tractor beam effect

I am trying to create the tractor beam effect from Star Trek. I applied an emission shader with a noise texture as the factor and set the scale on the x channel of the texture coordinate to 0. That ...
7
votes
1answer
2k views

Make White Transparent shader that is not transparent?

How can I make a slightly transparent white Transparent material in cycles, when making the Transparent shader white makes it completely transparent and invisible?
7
votes
2answers
2k views

Is it possible to limit the “Cycles Shadow from Transparency” per Object?

There is an option in the properties panel, Render > Light Paths > Shadows that toggles "using transparency of surfaces for rendering shadows" for the whole scene. I like to render architectural ...
7
votes
2answers
1k views

Black reflections at extreme angles with glossy shader on smooth surfaces

How do I remove them? They don't appear when using flat shading. Nothing in the scene can cause this.
7
votes
1answer
925 views

Why does refraction + volume scatter cause a much darker result?

I've noticed that glass objects tend to turn really dark when adding volume scattering. It seems the volume scatter shader gives a much different result when a refraction shader is used in the ...
7
votes
1answer
1k views

How to make a good glow effect around a sun?

I am trying to figure out how to make the space around the sun glow and than fade away into darkness. The sun was made in blender using cycles render and several noise textures. The glow I have ...
7
votes
2answers
1k views

Glossy reflections and smooth shading

I'm having a hard time creating a chrome object with flat faces but with smoothly bevelled edges. If you start with the default cube, add a bevel modifier set to, say, 4 segments, set to smooth ...
7
votes
1answer
2k views

Translucent shadow (ceramic material)

I am trying to create ceramic material, similiar to the one on the picture: However I can't figure out, how to add shadow from behind the ceramic part. Translucency nor SSS don't do the trick. As ...
7
votes
1answer
183 views

Is there a way to determine if a ray is coming from a volume?

I am trying to create a light that only illuminates volume scatters. The input > light path node has "is X ray" outputs for all the various types of rays coming off a surface. However I'd like ...
7
votes
1answer
256 views

How to make original full-pass image from separate passes?

I'm trying to create an image from separate passes. That is, I have a result image, which without altering the composite Combined RGBA buffer looks like following: On this image you can see a cube ...
7
votes
1answer
814 views

Around-Corners Transparency in Cycles?

Using Ray Length I can make the center of a cube hollow. But what I actually want is the inverse - for the outline to be transparent and the inside solid. At a glance it seems this would be a matter ...
7
votes
4answers
857 views

How do I color the shading of a material?

Some art styles increase the saturation in their shading, I'm trying to achieve this effect as seen in cell #2 of my example image. Right now it looks like cell #3, which lacks this and looks dull in ...
7
votes
0answers
1k views

Does a model exporter embedding materials as GLSL scripts exist?

as described in Blender Shader in OpenGL/GLSL, it is possible to export the (unoptimized) GLSL code generated by Blender for a given material. Since the viewport can use such GLSL for real-time ...
6
votes
2answers
2k views

Cycles Material — A kind of glitter

Hi guys, I'm trying to simulate the metal flakes that you can see in this helmet. It looks close to a metallic paint + flakes, but it definitely is something else. I found a few materials that come ...
6
votes
3answers
1k views

Move center of radial anisotropic to center of object

Is possible align the center of radial anisotropic shader with the center of the hole? I tried: Move origin (I always think origin determines the center of anisotropic- not true) Separate tangent ...
6
votes
3answers
5k views

Why does an object with a glossy shader render in black?

When I apply a glossy shader to the material of my text, the text becomes just black. Why? I have lamp and everything, but the problem persists. The text is red before I add the glossy shader. I'm ...
6
votes
1answer
5k views

Objects behind glass appear too dark

It's so dark that the eyes are invisible. Blend file:
6
votes
1answer
3k views

How to create dota 2 assets ? (Steam Workshop)

I want to model, export and compile an asset made in Blender to the game Dota 2, which tool(s) do I need and what are the settings?
6
votes
2answers
900 views

How does the mix shader work when using a Fresnel node as a factor?

I have been using the mix shader to get different types of metals by mixing diffuse and glossy, I always get good results. However there is a thing I have not understand yet: why the material changes ...
6
votes
1answer
851 views

Volume emitter that is more intense towards the outside of the object

How do I create a volume emitter shader that is more intense towards the outside of the object? I would basically like to create tubes that look like the blue (not purple) tubes in this image: (...
6
votes
1answer
157 views

How do you get a trace around your shadows?

I need to trace the shadows of an object, like getting a red line around the shadow(shadow itself is not red). I know how to trace an object itself but not the shadows on that object. Is there a way I ...
6
votes
1answer
741 views

Cycles. Masking shader. How to make objects disappear in plain sight.

So I have a scene. I want to slide out a text, for example, as if it was hiding behind an invisible wall. I know that you can achieve this effect with a boolean modifier... but I can't use it in this ...
6
votes
1answer
485 views

Make blue glass shader in cycles

I would like to make a blue glass shader in cycles. Something like this: This was my first trying but I think it's terrible. And here's my second trying but it doesn't look well. Is there any way ...
6
votes
1answer
2k views

Realistic aquarium water?

Does anyone have any idea on how I can create a realistic shader to emulate clear water? I am struggling because while clear water looks clear it also tends to change the color temperature of the ...
6
votes
2answers
715 views

Why do shaders have a normal input?

It is probably a very stupid question but why do have many shaders (diffuse, glossy, ...) a normal input ? What happens with that normal input ? Maybe it helps when I clarify the background of my ...