Lustrefern · Spectrum Garden
Turn one glass prism to bend a computed visible spectrum into red and violet glass-flower lenses. Ten finite light studies: six original Spectra layouts and four precision pairs. Continuous angle slider, horizontal drag, fine keyboard turns, explicit imprints, true angle-route hints, undo/reset, replay and device-local progress. Actual Cauchy dispersion, vector Snell refractions and analytic CIE color retained from Spectra; point-anchor optics omits finite prism thickness. Two cohesive GPT-generated gameplay assets bundled locally. Source: https://github.com/immineal/spectra-js13k (MIT). Metadata tags: github-source, game.
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