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Last edited Jan 25, 2022

Created on Jan 25, 2022

This example visualizes a dynamic force-directed graph that gradually arranges nodes into a smiley face shape. It uses D3.js’s `d3.forceSimulation` with custom forces to pull particles toward target positions defined by a hidden image, while the Canvas API renders each node as a glowing dot. The animation begins with randomly scattered points that converge into the facial pattern, with color and opacity varying by node. The underlying target layout is derived from pixel data of a smiley face image, processed via Canvas `getImageData` to extract coordinate clusters.

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Half way towards a smiley face.

MIT Licensed

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