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Real-Time Artistically Inspired Cloud Simulation and Rendering

Real-Time Artistically Inspired Cloud Simulation and Rendering. Noah Brickman David Olsen Gillian Smith. Problem. Hard to render Important scene element Artistic control. Solution. Specify cloud shapes Artistically inspired Physically based Realtime rendering.

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Real-Time Artistically Inspired Cloud Simulation and Rendering

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  1. Real-Time Artistically Inspired Cloud Simulation and Rendering Noah Brickman David Olsen Gillian Smith

  2. Problem • Hard to render • Important scene element • Artistic control

  3. Solution • Specify cloud shapes • Artistically inspired • Physically based • Realtime rendering

  4. Related WorkSimple Non-Interactive Solutions • Imposters, Skybox • Pros: • Fast rendering • Simple solution • Cons: • Not interactive • Limited control

  5. Related WorkArtistic Control • Pros: • Artistic manipulation • Cons: • Not physically based animation • Non-interactive

  6. Related WorkCellular Automata • Pros: • Physically based simulation • Simplistic simulation system • Interactive • Cons: • Limited control

  7. Method Overview • Specify 3D model • Voxelize • Cellular automata • Rendering

  8. Voxelization

  9. Voxelization

  10. Cellular Automata • Rules • Growth • Extinction • Bounded voxel grid

  11. Rendering • Point cloud • Billboards • Variable size • Variable shading • Evolving cloud structure

  12. Results

  13. Conclusions • Direct artist control • Cloudify 3D models • Physically based simulation within bounding volumes

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