Title: Dynamic Visual Effects for Virtual Environments
Authors: Haringer, Matthias
Beckhaus, Steffi
Citation: WSCG 2010: Full Papers Proceedings: 18th International Conference in Central Europeon Computer Graphics, Visualization and Computer Vision in co-operation with EUROGRAPHICS, p. 49-56.
Issue Date: 2010
Publisher: Václav Skala - UNION Agency
Document type: konferenční příspěvek
URI: http://wscg.zcu.cz/WSCG2010/Papers_2010/!_2010_FULL-proceedings.pdf
ISBN: 978-80-86943-88-6
Keywords: dynamické vizuální efekty;post-zpracování;shadery;virtuální prostředí
Keywords in different language: dynamic visual effects;post-processing;shaders;virtual environments
Abstract: We introduce a high level interface capable of instantly adding and manipulating a multitude of visual effects for any object or area in VE scenes. This enables a controlling person or an automated system to react to the in scene situation and the user’s actions by dynamically changing the scene’s appearance. Such a high-level scene and effect access is also a powerful tool for story telling engines and scene authors to support the intended plot or impact. To achieve this smoothly and effectively, our interface allows fading of effects to generate soft effect transitions and grouped effects for controlling complex effect combinations in a simple way. We also describe our fully functional implementation and the changes necessary to realize our concept in a scene graph based VR-system. We further introduce a simple script interface to add new effects to the available effect pool. We present, but are not limited to, three visual effect types: shader effects, post-processing effects, and OpenGl based effects. Our implementation supports multi-pipe displays, multi-pass rendering, and an arbitrarily deep per-object post-processing effect graph.
Rights: © Václav Skala - UNION Agency
Appears in Collections:WSCG 2010: Full Papers Proceedings

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