CryENGINE 3 Trailer

The Crytek Website has a new CryENGINE 3 demonstration with the super-geeky title: "Cascaded Light Propagation Volumes for Real Time Indirect Illumination." This consists of a paper in Adobe Acrobat format, a PowerPoint presentation, and a movie, described like this: "This I3D 2010 paper is a result of collaborative research with Carsten Dachsbacher. The LPV technique was extended to support secondary occlusion and multiple bounces. The propagation scheme is improved and compared to similar Discrete Ordinate Methods. Also this paper describes many additional application and implementation details." The trailer shows off what this means to the end-user, as it demonstrates some impressive real-time lighting and shadow rendering in Crytek's next-generation engine. Thanks inCrysis. The HD version of the clip is embedded here.

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Re: CryENGINE 3 Trailer
Feb 26, 2010, 17:34
10.
Re: CryENGINE 3 Trailer Feb 26, 2010, 17:34
Feb 26, 2010, 17:34
 
Just to clarify...

Global illumination is the effect of "color bleeding". If you shine a light onto a red fabric object the light bouncing off of it that will hit another object transferring some of that red color.

This is quite expensive for rendering programs, so the fact that this is done in real time is indeed effing awesome.

Ambient occlusion is different from GI. Light that bounces off surfaces can go in many different directions, but less light will reach corners and floor/wall intersections. Much ambient occlusion is a fairly simple shader (at least compared to GI) that can fake it by determining these dark corners and cracks without measuring physically accurate light falloff and darkening the diffuse colors.
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