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20 views

Current tech in dynamic global illumination? [closed]

So far I've seen and read about the following: Light propagation volumes Voxel cone tracing SVOGI/SVOTI Hybrid (Light probes with light maps) So far it turns out as following: Light propagation is ...
3
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0answers
37 views

Atmospheric scattering and fog

I've implemented a dynamic sky model (Preetham). I've got Rayleigh and Mie scattering working fine, but I'm not sure how to get the foggy effects in this Unity article Here is what I have so far: ...
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1answer
75 views

Generate Mesh of Shadow Volume

Given a mesh, I want to generate another mesh that is effectively a shadow volume of this mesh. I am looking for an algorithm/solution/implementation/reference that can do this under the following ...
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1answer
128 views

Volumetric Lighting projects models

I've been trying to implement Volumetric Lighting using the code from this tutorial but I've run into some issues, even after basically copypasting the shader code. I'll just show you what's going ...
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1answer
263 views

How do I render a volumetrically lit spotlight?

To be clear, I really do mean volumetric lighting; not only calculating which area is lit, but also realistically lighting the volume of "air" that the light hits on the way. Like this: I've tried ...
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0answers
67 views

Implementing Light Volume Front Faces

I recently read an article about light indexed deferred rendering from here: http://code.google.com/p/lightindexed-deferredrender/ It explains its ideas in a clear way, but there was one point that ...
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1answer
745 views

How can I achieve the realtime clouds/sky effect of Lumion?

Does anyone know how they do this? They're not truly volumetric - you can't fly through them - it's still a texture. http://vimeo.com/16534222 It looks like it's a perlin based solution, but I ...
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3answers
566 views

Computing volumetric light effects analytically

In my previous question I have asked about an effect on how to visualize light spheres. The question resulted in a very nice formulated answer which described pretty well how to achieve this by adding ...
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1answer
554 views

Multiple volumetric lights

I recently read this GPU GEMS 3 article Volumetric Light Scattering as a Post-Process. I like the idea to add volumetric light property to realtime render i'm working on. Question is will it work for ...