Questions tagged [shaders]

A shader is a computer program that 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
1 vote
1 answer
511 views

Is there a way to have my emission shader only affect the particle system? [duplicate]

I have a scene that has a particle system and other objects. The particles are an object with a pure glossy shader. I have a plane that I have setup as an emission shader to reflect off the particles. ...
user7604's user avatar
  • 103
3 votes
1 answer
8k views

Why is my mesh inversed when Imported to Unity?

So I modeled this sword and all the parts were separate meshes. I used a mirror modifier when I was modeling and then I applied the modifier when I was done to make the parts into solid meshes. Put a ...
James Martin's user avatar
5 votes
1 answer
2k views

Creating a gravity lens effect?

I was thinking of doing some scifi models, and it would involve a kind of gravity lens effect, where light is distorted and warped by a powerful gravity field. I have attempted to create a ...
Zauberin Stardreamer's user avatar
5 votes
1 answer
13k views

When can a Color Ramp be used to create a gradiant in a Cycles shader?

When can you use a ColorRamp node or better to say where can you use a color ramp to manipulate the color of the mesh to be a gradient and not solid? I tried to plug the ColorRamp in to the Color ...
TheCycleOfBlend's user avatar
3 votes
1 answer
11k views

How do you overlay an image on a shader in Cycles? [duplicate]

I'm trying to overlay an image on top of a shader to create the effect of having printed onto metal like so: I'm using an Anisotropic shader for the underlying brushed metal and have UV Mapped a PNG (...
Braaant's user avatar
  • 195
26 votes
3 answers
18k views

How to change hair color along length of strand?

At some point (not right away), I'll be wanting to make a character model which has multicolor hair. Namely, it will be one color closer to the roots, and another color closer to the tips. Is there ...
Zauberin Stardreamer's user avatar
0 votes
0 answers
583 views

Blender 2.60: GLSL Shading problems on Blender Game Engine - objects not visible

I have a problem with my blender scene when I play it on the blender game engine. When I set GLSL shading and play my scene using the embedded game engine (P on ...
Ant4res's user avatar
  • 101
3 votes
0 answers
687 views

OSL: Giving the texture method a color instead of string

Is there a way to give the OSL method texture(string, float, float, ...) a color input instead of the string which reads an image file? Or is there any type of ...
boonto's user avatar
  • 31
1 vote
0 answers
62 views

is it possible (if so, how) to use a part of a material applied to a mesh as emitter?

I'm making a material (cycles) for a mountain : I would like to add some grass (hair) in the green zone. Is it possible (if so, how) to do that by using the green part ?
The Unholy Metal Machine's user avatar
2 votes
1 answer
172 views

How to fix single face mesh?

The model in Blender shows the mesh double faced and good looking but when exported into game looks like this. How can I fix it?
Pumizo's user avatar
  • 819
4 votes
1 answer
839 views

Object appears jagged in final render?

When I try to render a glass material, in rendered view it looks good, but when rendered, I get this wavy effect and black outlines. Polygon detail: The scene is just a glass object with a glass ...
Vladimir's user avatar
  • 4,695
1 vote
0 answers
140 views

Materials defined by a texture

I have an Earth object where the surface would be with a Bump map and the ocean without it. However, the bump texture is for both and I want to block the parts for the ocean using a black and white ...
Vladimir's user avatar
  • 4,695
3 votes
1 answer
3k views

Light path - Transparent depth issue

I made an earth object and gave it a material including the usage of the new input of the "Light path" node "Transparent depth" which makes the back faces invisible. However, when an object has ...
Vladimir's user avatar
  • 4,695
2 votes
1 answer
2k views

Why are objects appearing as a "ghostly" image after rendering?

I'm fairly new to Blender, but I hope there's a simple solution to this issue. In Cycles I'm trying to make a composite of (soon-to-be) animated objects and video footage. I've used nodes to apply ...
KTS's user avatar
  • 115
0 votes
1 answer
3k views

How to color a perfect reflective material in cycles?

This is maybe a funny question, but when I color a reflective material, I just change the color of the "glossy" shader, but when it comes to darker colors, I'm lost, because the gradient from dark to ...
Vladimir's user avatar
  • 4,695
5 votes
1 answer
1k views

Toon shader making jagged shadows

I've tried to find an answer but so far no luck. All of the ones I could find went over my head. So I'm caving in and asking this question myself. I'm very new to Blender and 3D stuff, so bear with ...
Shane Duan's user avatar
2 votes
1 answer
1k 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 ...
Ricklon's user avatar
  • 107
0 votes
0 answers
489 views

Object emission controlled by sunlight

I asked this previously for my Earth project but it was never given an answer and was marked as a dupe which it wasn't as the question it was linked to was about textures being controlled by light, ...
Stewie's user avatar
  • 1,381
2 votes
1 answer
182 views

Do I need to recompile blender when changing C++ Shaders for Cycles?

I just needed to know the way of developing native cycles shaders (closures). So, if I change, for example diffuse closure(another implementation of roughness), will I need to recompile Blender from ...
user2439's user avatar
  • 351
3 votes
1 answer
2k views

Is the ocean modifier better than the fluid simulation for making an ocean? [closed]

Is the ocean modifier better than the fluid simulation for making an ocean when it comes to visibility under the surface of the water, reflections and splashes in the water? Which one is better for ...
Vladimir's user avatar
  • 4,695
10 votes
1 answer
29k 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 ...
Vladimir's user avatar
  • 4,695
7 votes
4 answers
8k views

Hard-edged polygons with normal maps

Background I'm making a character for my game (with MakeHuman), and I wanted to add normal maps to the characters. I generated one low-poly character and then one high-poly using a bunch of Subsurf ...
user's user avatar
  • 315
2 votes
1 answer
297 views

BSDF options not availble in texture

I am learning Blender and I like to search tutorials but on some steps, I need to use BSDF but I have this: Is there anyway to change this?
Kaleb Provost's user avatar
0 votes
1 answer
427 views

Weird fuzz/shading error on a render of a house model. Help? [duplicate]

As you can see in the render above, there is some weird fuzz on the side of the house, as well as some sort of spiky shade in the triangular area. I would like to know what causes that fuzz. More ...
user avatar
10 votes
2 answers
26k 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 ...
Qwertie's user avatar
  • 7,036
2 votes
1 answer
808 views

BGE GLSL materials in embedded player

I am on the very beginning of creating a game. As a GE BGE was chosen. At the moment a problem popped out: I want to use real-time shadows and when I set Shading to GLSL in the Render options I get ...
Misery's user avatar
  • 389
0 votes
1 answer
301 views

Is it possible to render an object just with the normal map?

When an object with a normal map is rendered, there are always artifacts of the polygons of the original model on the outline of the model. Is there a way to make them invisible? Here is what I mean - ...
Vladimir's user avatar
  • 4,695
3 votes
1 answer
766 views

Override final pixel color in a Cycles/OSL shader? [duplicate]

In the Renderman Shading Language, the whole purpose of a shader is to determine the final pixel color for each fragment. You have complete control over what the shader does and what the final color ...
Justin's user avatar
  • 1,972
4 votes
1 answer
1k views

Cycles - What is the expected range of values for Displacement?

Let's say I have the following [kinda boring] shader setup: For what output values of the Voronoi Texture will the surface appear to be displaced outward? How about inward? In Houdini, negative ...
Justin's user avatar
  • 1,972
25 votes
8 answers
113k views

How to render cartoon style with completely flat colors?

How to render perfect cartoons in blender? Whatever the engine is (internal or cycles) I always get that shading transition somewhere on the model. The first picture is in blender internal render ...
Vladimir's user avatar
  • 4,695
2 votes
1 answer
738 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|...
Vladimir's user avatar
  • 4,695
4 votes
2 answers
4k views

Simulating rounded edges on a mesh

I'm looking to create the illusion of rounded or beveled edges without actually adding new geometry as a batch process for multiple types of meshes, from something as simple as a cube to very complex. ...
paintnpixels's user avatar
12 votes
1 answer
6k views

Find users of a material / texture / image which is not displayed in the outliner

How can one search by name for a material / texture / image datablock that is not displayed in the outliner, for example because it's buried somewhere deep inside a node tree? Let me please describe ...
Mayqel's user avatar
  • 443
6 votes
1 answer
34k views

Cycles: Assign material to vertex group

I know it's possible to have multiple shaders for one object with the internal renderer. This video explains the process. Can I use Cycles to assign a material to a vertex group so that a single ...
Justin's user avatar
  • 1,972
3 votes
3 answers
3k views

Import Toon Shaded Character to an outside program? [closed]

I made a character and added toon shading but I can't see it. After some research it seems that toon shading is only visible if you render the image with a camera in the blender scene. I want to ...
luigi's user avatar
  • 749
7 votes
3 answers
27k 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 ...
einsteinsci's user avatar
1 vote
1 answer
233 views

How to improve this rendering so it looks more like the target image? (Disaster) [closed]

I'm trying to replicate the following image using Blender: the image http://dl.dropboxusercontent.com/u/62862049/Screenshots/03k.png For this, I've used MakeHuman to generate a similar-looking human,...
Dokkat's user avatar
  • 75
17 votes
3 answers
6k views

reflecting direct light on glossy surface in Cycles

Working in Cycles. Say I have a "disco ball" with a glossy shader. I'm pointing a spot light to it, and I'm trying to have the reflections of that light illuminate the diffuse material on the walls ...
user avatar
4 votes
0 answers
102 views

GameEngine: KX_BlenderMaterial vs KX_PolygonMaterial

I have a question about the material types in the game-engine. e.g.: 2.66 Blender API - KX_PolyProxy(SCA_IObject) 2.66 Blender API - name ~ The material of the polygon. When is the material a ...
John's user avatar
  • 61
2 votes
0 answers
521 views

How to do multi-pass rendering on customised shaders? [closed]

I'm using customised shader to achieve a specific aspect. I'm confused by the fact it is dealt with by the game engine, not the rendering engine (??), but my actual question is: how do I do multi-pass ...
Dokkat's user avatar
  • 275
4 votes
1 answer
7k views

How to access the window width/height inside a GLSL Shader?

Inside a Python script defining a GLSL shader used on the game engine, how do I access the width/height of the game window?
Dokkat's user avatar
  • 275
5 votes
1 answer
459 views

Can the areas of an object in shadow be accessed in Cycles

In Cycles can I use the amount of shadow cast onto an object as a Fac. input of a mix shader? This would be useful for setting up a Frost / snow material that is visible in shadowed areas but has ...
Ollie83's user avatar
  • 251
20 votes
1 answer
45k views

How to add bump to shader?

I have a simple diffuse shader. I would like to add some bump to it. How can I do this in Cycles? Where do I plug in my checkered texture.
Vader's user avatar
  • 14.7k
5 votes
2 answers
787 views

Cycles shader colour: values above 1

A quick question about shader surface colour values in Cycles. If you set the surface colour of a shader to values greater than 1, for example the diffuse shader in the image below: Can it be said ...
Ollie83's user avatar
  • 251
2 votes
1 answer
410 views

Help with rendering shadows properly

Im pretty new to blender and am in a bit of a bind here. I have this distorted water simulation that i am attempting to make look like snow (not the best but it works for what i need it for) and i am ...
user2620255's user avatar
1 vote
0 answers
1k views

Cycles SSS surface colour [closed]

I am looking at improving a characters Skin material node setup. Most of the Node setups I have seen for cycles, including the Arnold Skin port basically involve (not including gloss, bump etc) ...
Ollie83's user avatar
  • 251
4 votes
1 answer
2k views

Can't change to smooth shading

I am building a car engine and I want to set it to smooth shading. But for some reason it does not work. Has anyone an idea how to fix that? Here you can download the .blend file.
Codey's user avatar
  • 1,729
1 vote
2 answers
5k views

RC 2.7 Blender/Volumetric Shading Cycles

I went onto blender.org and saw a Release Candidate for Blender 2.7 came out. In the description it seems the long awaited volumetric shading in cycles has been released. From what it sounds like is ...
EmptyStuff's user avatar
1 vote
2 answers
366 views

volumetric shaders missing in blender 2.69

I have installed blender 2.69 and it says that volumetric shaders will be supported but i cannot find them. Do i have to download then as an add on?
ozzie's user avatar
  • 11
0 votes
1 answer
294 views

I'm trying to learn Blender to animate. Am I doing it right? [closed]

The idea of making 3D animations to tell stories has always been attractive to me. Yesterday, I decided to stop hesitating and began learning to use Blender. I am using the YouTube channel tutor4u's ...
RobotUnderscore's user avatar