Linked Questions

1
vote
1answer
77 views

How to make a material change based on the light it recieves? [duplicate]

I want to make something that has a black glossy shader when a light hits it, e.g. the sun, but when no light hits it at all it turns into an emission shader. I can't figure out how to actually do ...
17
votes
2answers
5k views

How can I mix two materials based on incoming light

I was watching the Create a Realistic Earth tutorial by Andrew Price and I was able to follow along in Cycles until I hit the part where he mixes the day and night materials together so that the ...
6
votes
1answer
2k views

Brightness dependent texture on mesh

Andrew Price showed in one of his tutorials how to use a white material node in the Blender internal render to get the brightness of a point and assign the texture accordingly. In this case: Point ...
4
votes
1answer
3k views

Shader to RGB in Cycles

Eevee has introduced a new node, the Shader-to-RGB node. I find this quite useful for using the outputs of shaders in, say, the factor of a mix node or other such things. Unfortunately Cycles does not ...
4
votes
2answers
886 views

How do I limit gloss/reflection to only intense sources such as a light source?

Using cycles, I'm making big cartoon eyes lenses, I want them to have the light shine off them but little else. Problem: Everything is reflected off the lens making the color of the iris and pupil ...
3
votes
2answers
349 views

How to make texture appear only in dark spots?

I'm trying to make a realistic earth but now comes the problem of the lights. Since I'd like to make an animation I want the night lights(which are just a texture with an emission shader) to "appear" ...
1
vote
1answer
250 views

Single Object transparency overlay with additive/brighter coloring

I have an object that bends over onto itself. Its one color with some transparency. See Image. The left portion is like a string that has bent around in front of itself. Right now, when the object ...
0
votes
1answer
55 views

How do I create a material that emits light based on how much light hits it?

I was wondering if anyone has an idea how I would make a material that emits light based on how much light hits it from a spot lamp in the scene? Using cycles render engine. Best, Brad
2
votes
0answers
115 views

How do you affect only shaded areas in Blender Cycles?

I am trying to make a pyramid shaped planet, and want to make the shadowed areas use a different texture (with city lights) than the areas in the light. I have tried using the normals node, but it ...
1
vote
0answers
101 views

Use incoming light as a mask?

I'm making a shader for people that relies heavily on the ability to take incoming light and use it as a way of blending 2 materials. For Eevee, it works perfectly. Take a diffuse shader, plug it into ...
2
votes
0answers
55 views

How to set a material's color when shadowed

I am trying to create a material that is normally white but turns blue in the shade. I know I can do this by changing my lamp's color, but I don't want all the other materials to also turn blue. Is ...
0
votes
0answers
51 views

How to put one material where the light is hitting and one where the light isn't?

So I want to create an object using cycles render that has two different materials applied to it. One of the materials can only be seen on the object where the light is hitting and the other material ...
3
votes
0answers
39 views

Possible to give a shadow a different material?

Hello. Let say that in a this image, i'd like all shadows to be rendered as an red emissive material, is this possible in render ? procedurally, witouth any modifiers, just by the shader editor ?
0
votes
0answers
24 views

In the Blender 2.8 shader editor, What nodes do I need to sample a color from the other shaders on an object? [duplicate]

Basically I am trying to figure out if there is a way to have a planet with shaders applied for the world color map. Then you have a sun and on the shadow side of the planet I want to use a node to ...
1
vote
1answer
23 views

Is it possible to have a node value correspond to how much light is hitting that pixel? [duplicate]

The puzzle I'm facing comes from when I was participating in Nodevember, so although I can think of ways to manage this by using baked image sequences or sync'ing up a mask to roughly match the ...

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