coloring.txt

Colors          Code            Angle
------          ----            -----
red             FF0000          0
yellow          FFFF00          pi/3
green           00FF00          2pi/3
cyan            00FFFF          pi
blue            0000FF          4pi/3
magenta         FF00FF          5pi/3

m = 255/(pi/3)

Ranges           Red        Green       Blue
------           ---        -----       ----
0-pi/3           Max        Increasing  Min
pi/3-2pi/3       Decreasing Max         Min
2pi/3-pi         Min        Max         Increasing
pi-4pi/3         Min        Decreasing  Max
4pi/3-5pi/3      Increasing Min         Max
5pi/3-2pi        Max        Min         Decreasing

else if(angle > 0 && angle < pi/3) {
	 red = m(pi/3-angle)
	 blue = 0
}
else if(angle > pi/3 && angle < 2pi/3) {
     red = 255
     blue = 0
}
else if(angle > 2pi/3 && angle < pi) {
     red = 0
     blue = m(angle-2pi/3)
}
else if(angle > pi && angle < 4pi/3) {
     red = 0
     blue = m(4pi/3-angle)
}
else if(angle > 4pi/3 && angle < 5pi/3 {
     red = 0
}
if(angle > 5pi/3 && angle < 2pi) {
	 red = m(angle-5pi/3)
}

if(angle > pi/3