Unanswered Questions
1,184 questions with no upvoted or accepted answers
3
votes
0
answers
683
views
Procedural Materials On Fluid Simulations
Been struggling with this for a while. I've made a procedural lava shader and I want to put it on a fluid sim. The problem is, all the mapping methods I've tried make the fluid travel through noise ...
- 31
3
votes
0
answers
206
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First attempts with SSS - where is the nose?
I am trying to make the skin for my female mesh and watched some tutorials on Skin Shaders. I tried to rebuild YanSculpts Tutorial https://www.youtube.com/watch?v=ktsyL2Kp5bQ&t=388s and the result ...
- 1,225
3
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4k
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Difference between a fac output and a Color output
What is the difference between fac output and Color output in BLender? My understanding about fac is, it is grayscale information(devoid of any color). In which case it confuses me when people take a ...
- 151
3
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0
answers
79
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What is the significance of the value of the limit on the roughness attribute of the Oren Nayar shader?
In exploring the settings of the Oren Nayar shader in the Blender internal rendering engine, I find that there is an upper limit of 3.14 for roughness.
Is this the constant Pi?
Why is this the ...
- 5,446
3
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0
answers
249
views
Material Mode in Shading Panel
I have this version of Blender
What is the difference between the two Material modes in the Shading panel ?
On my PC GLSL seems to work, instead Multitexture seems doesn't work.
CommunityBot
- 1
3
votes
0
answers
689
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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 ...
- 31
3
votes
1
answer
513
views
Distorted highlights when rendering microscratches (bump map)
I'm trying to create a 'spiderwebbing' / 'swirl' effect caused by microscratches around highlights, but for some reason get triangular rays instead of a round halo. I've tried loads of scratch ...
- 31
2
votes
0
answers
41
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How can one randomize both instance topology and instance shading variation across object instances?
I created several parallel instances of a wooden beam object using the following Geometry Node Tree:
And with the following Shader Node Tree:
As expected, each instance of the beam has the same ...
- 61
2
votes
0
answers
25
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How can I get the final evaluated material color of each face?
I want to be able to get the final evaluated color for each face regardless of what shader node setup I have. I just want to get the final color result flowing into the Base Color socket of the ...
- 496
2
votes
0
answers
75
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How can I get the light direction vector without the roll values?
From watching videos and looking at other posts, it seems like the common way is to just straight up copy the sun's rotation values for the light direction vector. However, this also copies the roll (...
- 96
2
votes
1
answer
29
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Fix Crease Where Two Objects Meet
Goal: To get the two objects (mountain and flat plane) to have a seamless transition while still keeping them as separate objects.
What I've Done: I made it so that the mountain texture fades to the ...
- 163k
2
votes
0
answers
121
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RG(B) Map to create a toon/cel face shadow mask
First time modelling a proper anime-style character. I've been trying to create some smoother toon/cel shade-style shadows for the face of a character, I saw an idea used for Unreal that used an RGB ...
- 53
2
votes
0
answers
41
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Does anyone know how to get the color of the light?
I've been trying to figure out how to create a shader in the shader node editor that will take the color of whatever light is hitting the object and put that color all over the object. My intention is ...
2
votes
1
answer
243
views
Is it possible to generate curvature mask from geometry normal?
I want the smooth and sharp curvature mask of geometry so that I can use it in a mix color > factor. I know we can do with ...
- 2,391
2
votes
0
answers
123
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Normal/Bump maps causing flat shading
Whenever I add a normal/bump map to a smooth object the shading goes flat. Even on a UV sphere the issue remains. The shader is only using procedural textures so I can't change anything to non-color ...
- 21