Rainbow Scanner FX For Razer Keyboards

scanner.py

import openrazer.client as rc

from time import sleep

devMan = rc.DeviceManager()
kb = devMan.devices[0]
print("Done opening keyboard")

colorPhase = 0
color = [255, 0, 0]

def incrColor():
    global colorPhase
    global color
    while True:
        if colorPhase == 0:
            if color[0] > 0:
                color[0] -= 1
                color[1] += 1
                return tuple(color)
            colorPhase = 1
        if colorPhase == 1:
            if color[1] > 0:
                color[1] -= 1
                color[2] += 1
                return tuple(color)
            colorPhase = 2
        if colorPhase == 2:
            if color[2] > 0:
                color[2] -= 1
                color[0] += 1
                return tuple(color)
            colorPhase = 0

while True:
    for c in range(2, 19):
        kb.fx.advanced.matrix.reset()
        for r in range(0, 6):
            nc = incrColor()
            kb.fx.advanced.matrix[r, c] = nc
            kb.fx.advanced.matrix[r, c-1] = nc
        kb.fx.advanced.draw()
    
    for c in range(17, 0, -1):
        kb.fx.advanced.matrix.reset()
        for r in range(0, 6):
            nc = incrColor()
            kb.fx.advanced.matrix[r, c] = nc
            kb.fx.advanced.matrix[r, c-1] = nc
        kb.fx.advanced.draw()