Am 21.10.2016 um 18:32 schrieb Bald Eagle:
> There is still that strange behaviour of the coloring around Theta = 0.
In the last version you posted of the scene, your Theta appears to be
running from 0 to 2*pi, but you're using Theta*60 for the hue. That
makes the hue run from 0 to just shy of 377, which is a bit too much.
You want Theta*180/pi for the hue instead.
