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Particles Ecosystem

A free web demo — play it in your browser, no install. Canvas creative coding experiment with 350 particles, attraction and repulsion rules, and a pause/resume control. Plain JavaScript.

by @hamzaxbella · hamzaxbella/Particles_Ecosystem on GitHubLANG JavaScriptHOSTED ON PARTICLES-ECOSYSTEM.VERCEL.APPUPDATED 29 Oct 2026

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From the README

A tiny Canvas experiment where attraction and repulsion turn colored particles into moving patterns.

Open the demo · Browse the code

The simulation starts automatically. Use Turn Off to pause and Turn On to resume.

Four color groups contain 350 particles in total. Nearby pairs interact within an 80-pixel radius. Velocity damping and boundary reflection create the changing formations on a 500 × 500 canvas.

In logic.js, change numParticles, the color-pair calls to rule(...), or their force coefficients. Positive and negative coefficients change attraction and repulsion.

Read the full README on GitHub →

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