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Rendering Fog Final Demo

Rendering Fog Final Demo. CSS 522 Topics in Rendering March 14,2011 Scott and Lew. Overview:. Background of Fog Challenges Rendering it Our Implementation Results Limitations and Future Work. Challenges with Physics-Based Model.

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Rendering Fog Final Demo

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  1. Rendering FogFinal Demo CSS 522 Topics in Rendering March 14,2011 Scott and Lew

  2. Overview: • Background of Fog • Challenges Rendering it • Our Implementation • Results • Limitations and Future Work

  3. Challenges with Physics-Based Model • Visible clouds and fog are created by millions and millions of water droplets refracting and reflecting light • This is impractical to model – it might provide a more realistic rendering but comes at the expense of an impossibly huge amount of geometry to render. • It also doesn’t make sense to define the size & position of each water droplet in a scene • The visually interesting aspects of fog come from the aggregation of these particles, rather than the particles themselves

  4. Conceptual Implementation Multiple Fog Slices • Composite the slices and include interactions with other geometry

  5. Results

  6. Results

  7. Results

  8. Results (haha just kidding)

  9. Limitation and Future Work • With more time, create our own Fog Shader • Enhance the boundary of our fog slices. Current implementation shows obvious transition from fog to no fog. • Implement mode to switch between Perlin and Exponential methods. • User Interface for Fog Density • Current Implementation uses number of slices

  10. Questions? /

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