NEW IN R20
This color defines the background on which the spiral arms should be drawn.
This color is used to fill the spiral arms.
This setting defines the number of spiral arms. If set to 0%, no curvature will be created and the arms will run straight from the center outward. Changing the value from positive to negative will invert the spiral’s direction.
This setting defines the number of spiral arms that will be filled with the Inner color.
This setting can be used to anti-alias the outer edges of the spiral arms. The arms will widen accordingly and the proportion of background color will reduce correspondingly.
This setting can be used to anti-alias the color filling within the spiral arms. The arms’ width will remain unchanged.