lua code to rotate colors on the logitech g510 keyboard when g18 is hit

g510_rainbow.lua

function OnEvent(event, arg)
	if (event == "PROFILE_ACTIVATED") then
		r1, g1, b1 = 0, 0, 0
	end

	if (event == "PROFILE_DEACTIVATED") then
		color( 255, 0, 0, 50)
	end

	if (event == "G_PRESSED" and arg == 18) then
		while true do
			color( 255, 0, 0, 50)
			color( 255, 100, 0, 50)
			color( 255, 175, 0, 50)
			color( 255, 255, 0, 50)
			color( 175, 255, 0, 50)
			color( 100, 255, 0, 50)
			color( 0, 255, 0, 50)
			color( 0, 255, 255, 50)
			color( 0, 175, 255, 50)
			color( 0, 80, 255, 50)
			color( 0, 0, 255, 50)
			color( 175, 0, 255, 50)
			color( 255, 0, 255, 50)
			color( 255, 0, 175, 50)
		end
	end
end

function color(r2, g2, b2, speed)
	for loop = 5, 255, 50 do
		SetBacklightColor((r2*loop+r1*(255-loop))/255, (g2*loop+g1*(255-loop))/255, (b2*loop+b1*(255-loop))/255 ,"kb");
		Sleep(speed)
	end
	
	r1 = r2
	g1 = g2
	b1 = b2
end