Worley's Cellular Textures

Given a set of random feature points, we can compute the distance from any point to the nearest feature point. Call this nearest-feature distance function . The function that returns the distance to the second nearest feature is , and the nearest-feature distance, . Cellular textures, Worley observed, can be generated from linear combinations of the first few . Adjust the weights of to with the sliders. Interesting results can also obtain using alternate distance metrics.

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This Demonstration is based on S. Worley, "A Cellular Texture Basis Function," SIGGRAPH '96 Proceedings of the 23rd Annual Conference on Computer Graphics and Interactive Techniques.
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