Rendering fog final demo
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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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Rendering fog final demo

Rendering FogFinal Demo

CSS 522 Topics in Rendering

March 14,2011

Scott and Lew


Overview

Overview:

  • Background of Fog

  • Challenges Rendering it

  • Our Implementation

  • Results

  • Limitations and Future Work


Challenges with physics based model

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


Conceptual implementation

Conceptual Implementation

Multiple Fog Slices

  • Composite the slices and include interactions with other geometry


Results

Results


Results1

Results


Results2

Results


Results haha just kidding

Results (haha just kidding)


Limitation and future work

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


Questions

Questions?

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