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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236 views

shader.setSample invalid uniform value

I'm having troubles with my "clouds" texture while trying to sample it into my shader, the error is "invalid uniform value: clouds" ...
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1answer
364 views

Weird lighting and how many tris for games

I'm new to blender, I am looking to create a game using unreal 4. That being said, how many tris are too much? currently working on a character's boots and am riding at over 2000 for just one of them....
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1answer
342 views

Cycles - Adding an object with emission shader makes part of my scene darker?

When I turn an object (with an emission shader) in my scene on it makes part of the scene actually go darker. The light in question is on the outside of a vehicle (which has lights on the inside of ...
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1answer
170 views

Boxy Shading Glitching

I am making a game on the BGE with smooth shading pretty much everywhere. Everything looked great until I added a title screen scene. Then, whenever I switched between them while running the game, the ...
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1answer
21 views

How to smooth the face after boolean modifier applied? [duplicate]

The face is not smooth out after I applied boolean modifier and after shade smooth.
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1answer
22 views

Texture Mapping Not Moving with Model?

I’m getting to the rigging stage of making this character, and something about one of my materials is getting messed up when I move her. Her eye’s material has a gradient that controls what part of ...
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1answer
41 views

How to use SSS texture in Blender? [duplicate]

How do I properly connect the SSS texture in a Blender using nodes?
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1answer
19 views

Smoothed surface shows odd lighting

I made this table for a game and it happens to have this weird lighting on the surface when I apply smooth shade.
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1answer
20 views

Eevee volumetrics different in render

When I was trying to make a cloud in Blender, I began to notice a strange issue. When the cloud is rendered using Eevee in the viewport, it looks fine. But when I render it, it looks much more ...
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1answer
24 views

Apply static bump map to normals in Blender 2.82

I'm new to Blender and graphics. I'm trying to apply a bump map to a mesh and export it in OBJ format, but I have two problems: The .obj file nor the .mtl file contains any information about the bump ...
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2answers
29 views

Issues with normals to create more depth

I wanted to create a displacement to create something like this. I have a existing metal texture applied to the object. This is how it looks like now I have included my shading editor for more ...
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1answer
29 views

Snow storm effect without lighting

I would like to create a snow storm without using light to illuminate the snow. The giant lighting fixtures used in other tutorials such as: https://www.youtube.com/watch?v=KWYBoBmAW3A and others all ...
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1answer
32 views

Nodes not in Shader Editor

I am editing a leaf in shader editor, Nodes are not visible not even a material editor. How to create the nodes, or make them appear?
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1answer
48 views

Parallax occlusion portal effect

I'd like to create a parallax occlusion effect (cycles or eevee) where a cube or plane appears to contain another universe inside of it. I've seen a lot of brilliant solutions that can fake it using ...
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1answer
69 views

Cycles renders object deep purple

I've been following this tutorial (using blender 2.8). At around 14:15 a sphere is created and a texture with some modifiers wrapped onto it; this is what I get when following the tutorial exactly: ...
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1answer
53 views

What should I connect with the Emission notch in the Principle PSDF (Blender 2.8)

I'm trying to use an Emission map in the Shader Editor. I added a texture and connected it to the Emission node and then with the principle BSDF, but the red line appeared showing that there's ...
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1answer
32 views

How to set the parameters of a texture present in the shader editor to the rhythm of music

I wish I could create a texture that comes alive by lighting up and distorting to the rhythm of a song of my choice; for example by connecting parameters relating to the scale, rotations or precisely ...
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2answers
84 views

How to not get hard edges in Eevee transparent emission material?

I have an emission for a jet flame for a 4 sided pyramid but it just looks solid or like glass. How can I remove the IOR value and have an emitting transparent shader for a jet flame? If this is not ...
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1answer
38 views

Giving smoke no shadow

I've been trying to use smoke as a way to show simple steam for some hot coffee, generally looks good except the steam has a huge shadow, not something I really see in real life, so I'm trying to ...
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2answers
61 views

How to make glass clear at overlapping point

Is there a way that I can make the overlapping points of these three glass objects clear, or would there be a way that I can control the colors of the overlapping points? I don't want to change the ...
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1answer
16 views

Vertex Group affected by noise generated in shader?

Is it possible to have a Noise input in a shader than could modify a vertex group attribute for generating particles in that place??
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2answers
52 views

How to get out of HDRI mode?

I realise this is a noob question, but while selecting materials for my objects I accidentally hotkeyed into this HDRI mode (I think). I just want to (pre)render with a regular light but I don't know ...
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1answer
26 views

Camera cutting objects [duplicate]

For some reason I cliked on something I shouldn't click and don't know how to undo it. Only happens in shading viewport. On Layout, it looks perfectly fine. How to undo this?
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1answer
43 views

Exporting procedurally textured models for game engine

Recently I created a model which was texured procedurally. I used noise texture to texture the model and also combined it with a bump and Vorenoi map to add extra geometry to my model. On exporting ...
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1answer
28 views

How to make edges of adjacent objects be visible?

On the picture below I have planes inside of the other plane, but borders of all these planes disappear visually in Look Dev mode. But I need separate planes to be distinct. I'm not talking about ...
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2answers
313 views

Colorchange of metaballs or surface

Hello my fellow Blenderians, I stuck on a project and maybe you can end my struggle. :-) I made a filament with metaballs (it is more likely a sausage, see the attached pic) and over 100 frames some ...
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3answers
48 views

smooth shading error on a low poy model creating sharp edges

I have a low poly model with smooth shading enabled on all faces. unfortunately, when I go into rendered view, I see odd sharp lines on the edges and tris not previously seen in lookdev view: Rendered ...
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1answer
121 views

Shader script nodes have no parameters

I am trying to do my first OSL shader script. No matter what I do, even when using all the examples, when I add a node for my shader none of the parameters show up as node inputs/outputs as I have ...
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1answer
102 views

Z axis of mapping node in Shader is not working

As you can see in the picture above, touching the values ​​of the X and Y axes moves the texture, but touching the Z value does not move the texture. What should I do? i have new problem. please show ...
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1answer
100 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
42 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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1answer
79 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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1answer
367 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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1answer
64 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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1answer
162 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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1answer
67 views

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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2answers
28 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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1answer
53 views

Make Cartoon-like car headlight light

I want to make the light appear on the floor in a defined oval shape, without any scattering but be translucent anyway. kind of like this picture, but appearing only on the ground maybe. This is part ...
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1answer
63 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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2answers
77 views

How to get this bump shader effect

This is a follow on question asked previously but how so I get this exact effect, (including the depth of the checker squares) Original question here.
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2answers
193 views

Baked normals Look a Strange

For a few months I'm researching and making little tests to better understing and optimize a LowRes Workflow, And this "error" continue to occurs on this particulary model that I'm working on, It was ...
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1answer
243 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 '...
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1answer
108 views

Reflection in sphere becomes more distorted as subsurf increases?

I was baking normals from hi poly to low poly meshes. With this specific example of a hi poly icosphere the reflections are distorted, whereas the low poly sphere is less so. so i was just wondering; ...
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1answer
114 views

Blender 2.8 How do I fix the gloss on this mesh?

I’m using normal maps here, Is it the faulty map or something else that’s causing this strange effect? How would I turn this into something like this: Sort of a matte effect
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1answer
1k views

blender 2.8 flat color for 2d animation

I want to make some thing like 2d motion graphic with blender, i have done it with blender 2.79b without ligting but with nodes, input RGB, connected directly to output. since next july blender 2.8 ...
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1answer
101 views

Why are my render results not coming out the same as viewport?

When I render my scene, it renders the solid view shading instead rendered view shading. How do I fix this?
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1answer
36 views

How to have a color transition material on a mesh?

Basically, I have a simple sphere and I want the the most inner part of the sphere, so the center of it, to be once color and to gradually transition to another color and it approaches the most outer ...
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2answers
140 views

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
79 views

Principled BSDF node not shading right

I'm trying to texture and shade this archway I have but its not rendering correctly. I added a basic cube mesh and set up BSDF nodes exactly how I have them on my archway and it comes out perfect. ...
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1answer
33 views

Weird shading after extrude, tried everything (i think)

I am trying to exctrude some faces and after I do it I am getting really weird shading. I have tried: -splitting nonplanar faces -removing doubles -increased vertices Is there anything else I can ...

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