Spectrum Bars with Bouncing Circles

– Bars rise from the bottom using audio input bands (simple banding of eyesy.audio_in)
– Circles bounce around screen and collide with bars and walls (also features gravity)
– Knobs:
knob1 -> number of bars (1..32)
knob2 -> number of circles (0..12)
knob3 -> palette selector (0..1..n) (8 in total, you can add more manually)
knob4 -> color selector within palette / color saturation
knob5 -> background color picker (uses eyesy.color_picker_bg)