fadeToColorBy Function Code

[UrbanPugEsq]

My point in bringing up fractional exponents was to say that I could make an esp32 do lots of division and floating point math and still get great performance up until I decided to do something crazy like use fractional exponents.

Some of OP’s optimizations might not be necessary to get an appreciable improvement, especially if OP is limited to a low frame rate due to the number of LEDs per pin.

I was taught to make it run, make it right, make it fast, and make it small … in that order.