Linked Questions

26 votes
4 answers
18k views

How to create and animate the water reflection (Caustics) on an object?

What is the best method to create this kind of reflection and how to animate it?
Paul Gonet's user avatar
  • 33.4k
15 votes
4 answers
3k views

projecting onto a mirror and back?

Here's an illustration of what needs to be done: A texture has to be projected from a point in space to a mirror (1 in the image) which will bounce the projection to a surface (2). Here is the ...
Leo Ervin's user avatar
  • 662
11 votes
0 answers
16k views

Creating beautiful caustics in Cycles [duplicate]

After seeing the results obtained with LuxRender on this page, I was curious to try and reproduce beautiful caustics in Cycles such as these: I created a scene and added some lights, following the ...
MicroMachine's user avatar
  • 4,611
8 votes
1 answer
3k views

Spherical emitter does not illuminate very well?

I remember when I was recreating my bathroom and I modeled the lamp and gave it a glass material, but when I came to the lighting it got confusing. I modeled a sphere in the lamp because in real life ...
Vladimir's user avatar
  • 4,695
7 votes
2 answers
3k views

Laser beam pathway with reflective mirrors

I want to create a beam of laser light. The laser beam will bounces off many mirrored surfaces that can change their angle and positions. This would be a simulator to help me calculate the ...
DrStein99's user avatar
  • 113
5 votes
3 answers
8k views

Need to understand how to show reflected light well with cycles

I want to show light reflected from a flat, mirror-like surface onto a diffuse surface. I noticed that even when everything else looks good, the light reflected from the mirror is 100% fireflies. When ...
uhoh's user avatar
  • 2,667
4 votes
2 answers
3k views

Why is this mirror object not reflecting light onto another surface properly?

I have a scene where the sun rays should be reflected from a mirror to create this sort of effect: The problem below was resolved, scroll down to EDIT. However, I can't get any light reflected from ...
Noidea's user avatar
  • 1,256
3 votes
1 answer
312 views

Both a mirror and a 90 degree prism are not reflecting light on to a screen (cycles)

I made a 90-degree prism out of glass with index of refraction of 1.5, which is high enough to produce total internal reflection at 45 degrees. I've done this before with no problem, but suddenly the ...
uhoh's user avatar
  • 2,667
3 votes
0 answers
460 views

Why are volumetric reflections invisible? [duplicate]

I have a test scene where a very thin and bright spotlight (almost like a laser) shines on a diagonal mirror in a volume that scatters light, such that the light beam is directly visible. The mirror ...
Bauxite's user avatar
  • 154
3 votes
0 answers
1k views

How to reflect a beam of light on a mirror using cycles? [duplicate]

In the context of a tutorial, I need to create this experience using a light spot on cycle engine. We can replace persons with other objects. I tried to do it using this answer mirror but the mirror ...
BetterEnglish's user avatar
2 votes
3 answers
1k views

Scan plane "shadow"

I'd like to know how to make a "flat" sort of scanning beam that is cut off by various items it interacts with. For example, say that the beam emits from a single point and is shaped like a ...
Legoman's user avatar
  • 1,779
2 votes
1 answer
1k views

How to make disco ball reflect lights on walls using new shadow caustics from 3.2?

How to make disco ball reflect lights on walls? I had supposed that it is very easy to make such effect: Make a UV sphere, no shade smooth, roughness to 0, and the light should be reflected in spots. ...
Crantisz's user avatar
  • 35.2k