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Real-Time Volumetric Shadows in EON Studio
 

Summary: Real-Time Volumetric Shadows
in EON Studio
Jarl Lindrud and Henrik L¨ofgren
June 18, 2004
Abstract
The purpose of this thesis is to describe the implementation of realtime vol-
umetric shadow algorithms in the virtual reality software EON Studio. The
standard shadow volume algorithm is covered first, along with the modi-
fications needed in order to handle occluders of arbitrary geometry. We
also discuss the implementation of the recently presented penumbra wedge
algorithm for volumetric soft shadows, though our conclusion is that this al-
gorithm will need more hardware support before it can be used in a general
setting such as EON Studio.
Sammanfattning
Syftet med detta examensarbete ¨ar att beskriva implementationen av vol-
umetriska skuggor f¨or realtidsrendering i virtual reality programmet EON
Studio. F¨orst beskrivs standardalgoritmen f¨or skuggvolymer och d¨arefter hur
denna kan generaliseras f¨or att hantera godtycklig geometri. Vi diskuterar
¨aven implementationen av den nya s.k. penumbra wedge algoritmen f¨or att
generera mjuka skuggvolymer. V°ar slutsats ¨ar dock att denna sistn¨amnda al-

  

Source: Assarsson, Ulf - Department of Computer Engineering, Chalmers University of Technology

 

Collections: Computer Technologies and Information Sciences