Home▸Optics & Light▸Raindrop Ray Fan: Descartes Rainbow, Dispersion and Alexander Dark Band — 2D Ray Diagram

🌈 Raindrop Ray Fan: Descartes Rainbow, Dispersion and Alexander Dark Band — 2D Ray Diagram

2D companion of the raindrop ray fan: one drop in cross-section with a ray fan, minimum-deviation ray, dispersion, Alexander dark band and sky strip, using the same optics module as the 3D scene.

Optics & Light2DModerate60 FPS📱 Mobile-adapted⇄ 3D version
Raindrop Ray Fan: Descartes Rainbow, Dispersion and Alexander Dark Band — 2D Ray Diagram ↗ Open standalone
⚙ Under the hood

2D companion of the raindrop ray fan: one drop in cross-section with a ray fan, minimum-deviation ray, dispersion, Alexander dark band and sky strip, using the same optics module as the 3D scene.

rainbowopticsrefractiondispersionDescartes

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install

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