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aurora

A free fluid simulation — play it in your browser, no install. Real-time GPU fluid simulation (Stable Fluids) in raw WebGL2 - no libraries

by @chop-prog · chop-prog/aurora on GitHubLANG JavaScriptHOSTED ON CHOP-PROG.GITHUB.IOUPDATED 17 Oct 2026

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Controls: Move the mouse (or drag a finger) to stir it, and coloured dye is carried…

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From the README

Real-time fluid dynamics in the browser, solved on the GPU with raw WebGL2. No libraries, no build step, and under 1,000 lines of JavaScript and GLSL.

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Aurora is an interactive simulation of an incompressible fluid. Move the mouse (or drag a finger) to stir it, and coloured dye is carried along by the flow, curling into vortices. Every frame, the Navier–Stokes equations are solved on the GPU with Jos Stam's Stable Fluids method.

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