Trait nannou::color::GetHue [−][src]
Expand description
A trait for colors where a hue may be calculated.
use palette::{GetHue, LinSrgb}; let red = LinSrgb::new(1.0f32, 0.0, 0.0); let green = LinSrgb::new(0.0f32, 1.0, 0.0); let blue = LinSrgb::new(0.0f32, 0.0, 1.0); let gray = LinSrgb::new(0.5f32, 0.5, 0.5); assert_eq!(red.get_hue(), Some(0.0.into())); assert_eq!(green.get_hue(), Some(120.0.into())); assert_eq!(blue.get_hue(), Some(240.0.into())); assert_eq!(gray.get_hue(), None);