A free particle demo — play it in your browser, no install. Hand Particles is an experimental web-based creative coding project that combines real-time hand tracking with a dynamic 3D particle system.
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Open the live demo Source on GitHubHand Particles is an experimental web-based creative coding project that combines real-time hand tracking with a dynamic 3D particle system.
The project renders a spherical cloud of particles using Three.js, which reacts directly to hand gestures captured via the user’s webcam. By pinching fingers and moving the hand in space, the user can control both the explosion intensity and the rotation of the particle sphere.
The idea behind this project comes from an Instagram trend showcasing Gemini’s ability to generate interactive particle systems driven by hand movement.
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