Linked Questions

9
votes
0answers
8k 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 ...
15
votes
4answers
1k 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 ...
27
votes
2answers
17k views

Light spectrum dispersion effect in Blender?

I'm trying to achieve the effect where a beam of light sent through a prism or other refractive object, separates out into the light spectrum. (See image below) This effect is especially useful to ...
15
votes
3answers
3k 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 ...
5
votes
1answer
3k views

How can I make a realistic cement shader with old/cracks/crumbling/paint chipping on top of a texture?

a link to an example of the desired cement can be found here: How to create and animate the water reflection (Caustics) on an object? Note the cement next to the water....looks realistic, faded, warn, ...
8
votes
1answer
2k 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 ...
7
votes
1answer
2k views

Creating an ideal lens in blender

I know that objects can be assigned a transparent, refractive material, but is there a way to create a simple ideal lens? I'm trying to set up a 4f optical system as part of a camera array (it shifts ...
4
votes
2answers
995 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 ...
1
vote
1answer
882 views

A lot of small pixels after rendering [duplicate]

Explain me please why do i have these very very small points (like pixels) after rendering. Is it connected with lightning and how to fix it?
3
votes
1answer
183 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 ...
3
votes
0answers
65 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 ...