JKRLZ Playground
Eight specimens
Eight ways to make a mark with maths.
Everything here runs in your browser — no sign-up, nothing to install. Each plate is one instrument from the lab. Open one and push it around.
Particles · fluidField StudioThousands of points, one velocity field. Push it and watch it settle.Open ↗Orbital mechanicsGlobe & SolarA turning earth and a system that keeps its own time.Open ↗Rigid-body solver3D PhysicsDrop bodies in and let the solver argue with gravity.Open ↗EpicyclesFourier LabCircles riding circles, redrawing any wave you hand them.Open ↗Audio reactivePulseFeed it sound; the geometry answers in the same rhythm.Open ↗Perspective streaksWarp FieldStars stretched into lines. Steer, and the vanishing point moves.Open ↗Dihedral mirrorsKaleidoscopeDraw one stroke; six mirrors decide what it becomes.Open ↗Raster editorPixel StudioA grid, a palette, and nothing between you and the pixel.Open ↗
Best on a desktop — several plates use WebGL