Is there a way to interpolate using FFT or sinusoidal function to obtain a palette from RGBA codes?

I wanted to do a plasma effect in a console.

Is there a way to interpolate using FFT or sinusoidal function to obtain a palette from RGBA codes?

I wanted to do a plasma effect in a console.

Is there a way to interpolate using FFT or sinusoidal function to obtain a palette from RGBA codes?

I wanted to do a plasma effect in a console.