draw_hsv_wheel(0.0f, lift_rad, lift_theta, lift_v);
draw_hsv_wheel(0.2f, gamma_rad, gamma_theta, gamma_v);
draw_hsv_wheel(0.4f, gain_rad, gain_theta, gain_v);
draw_saturation_bar(0.6f, saturation / 4.0f);
draw_saturation_bar(0.65f, radius);
draw_saturation_bar(0.70f, inner_radius);
draw_hsv_wheel(0.0f, lift_rad, lift_theta, lift_v);
draw_hsv_wheel(0.2f, gamma_rad, gamma_theta, gamma_v);
draw_hsv_wheel(0.4f, gain_rad, gain_theta, gain_v);
draw_saturation_bar(0.6f, saturation / 4.0f);
draw_saturation_bar(0.65f, radius);
draw_saturation_bar(0.70f, inner_radius);