Questions tagged [caustics]
The caustics tag has no usage guidance.
27
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Objects inside transparent object don't render correctly [duplicate]
I'm trying to render a simple cosmetic lip balm tube. The body is made of blue and white plastic, while the overcap is made of clear plastic. When I produce a render, the overcap makes it look like ...
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70
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tried to copy this stylized water shader? it's only showed pink. How do I fix it?
I tried to copy these stylized water nodes, from img.
Link to my blend file: drive
But the result I got is pink shaded plane...
I tried to reconnect these nodes and found that maybe the color mix ...
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0
answers
65
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Trouble in shadow caustics
When transmitting light using the ocean plane, the shadow of the object is displayed as in the right image. I was hoping that the shadow would be formed according to the normal map of the seaweed as ...
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how to project fake caustics on 2d image?
I have a 2d underwater background (see images attached) on which I would like to project some fake caustics (such as this: https://www.youtube.com/watch?v=j17dGVw3_gM), could anyone recommend a good ...
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24
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Rendering freeze when using caustics
I'm using a M1 Mac. If enabled caustics, the GPU rendering freezes forever.
I'm using Blender 3.6.2. Just a simple cube and plane can freeze it.
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1
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55
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Caustic details not showing in render but working in viewport
I've got a 2 planes in my scene 1 with the ocean modifier and with cast shadow caustics ticked, and another with a fractal subdivision with a receive shadow caustics. For some reason, the caustics don'...
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80
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Getting no caustics
Above is a quick test render to see if caustics were working in the scene, and to my disappointment I'm getting nothing. I checked several tutorial videos to make sure I was doing everything right: ...
- 61
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90
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caustics cause way to high render time
I'm working on an archiviz scene, multiflat house with a little garden.
In the garden, I'm adding a small pool, created in a separate file and then imported in this.
During the pool creation, I played ...
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1
vote
1
answer
777
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Caustics Does Not Work Properly for Refractive Object Inside Another Refractive Object
Operating system: Windows 10 x64
Graphics card: NVidia Quadro RTX 3000 and NVidia RTX 3080
Blender Version: 3.4.1
Issue: it looks like current caustics only supports one object, which makes it ...
- 63
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1
answer
209
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How do spotlights work in Blender cycles, without the caustic noise of an explicitly modelled spotlight?
In Cycles, if I use a spotlight object to illuminate a matte object, the matte surface is well behaved with little noise. If I explicitly model a spotlight, the cycles renderer has some terrible ...
- 211
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28
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Reduce noise in refractive caustics [duplicate]
I'm trying to smooth these puppies out.
I don't need realism, just no noise. The material which light is passing through is a Principle BSDF. Using Cycles X with no reflective or refractive caustics ...
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1
vote
1
answer
1k
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How can I render caustic using (only) the Cycles render engine?
I'd like to render caustics in Blender with the Cycles render engine. There's a number of (other) questions that explain a few ways to fake it, but I noticed that Blender 3.2 Cycles now has caustics ...
- 147
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1
answer
223
views
Different shadow caustics in viewport and final render
I'm currently doing an architectural rendering with glass bricks. Since I'm trying to create an accurate and specific pattern of shadows on the wall I'm using shadow caustics. The strange thing is ...
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2
votes
1
answer
863
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Trouble using the new shadow caustics in Blender 3.2
So I wanted to make something using the new shadow caustics in Blender 3.2 , like a plane with some random displacement on surface like procedural bubbles or a random height map but doing so the ...
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46
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How to intensify and edit glass caustics?
I am having trouble with my caustics - using 3.2 and they work fine. However they do not do the trick just right - I need the shadow of the glass to have much more of the light streaks, following the ...
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