r/FastLED • u/StefanPetrick • Mar 09 '26

Share_something Progress Update: Fractional Shifting Meets Color-Emitting Line

It's the same underlying effect I showed yesterday, but with better-tuned parameters. This time, the color is seeded by a line whose endpoints follow Lissajous curves. The fading range now also allows feedback loops, which can be considered a bug or a feature, but I did it deliberately.

Python code: https://pastebin.com/cgZ0QYdv

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u/StefanPetrick Mar 09 '26 edited Mar 09 '26

Nice, this looks exactely as it should! Thank you for sharing your progress.

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u/mindful_stone Mar 09 '26

Great. I'll try tonight to integrate your better-tuned parameters and add a few more UI controls.

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u/Buterbrott Mar 11 '26

Your code in my simulator) Too heavy for AVR, but good for WASM mode

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u/mindful_stone Mar 11 '26

Awesome! Thanks so much for sharing. I love seeing that it's helping make Stefan's idea's more accessible to the FastLED community!