ft: 6.5: hitlist

src/objects/sphere.rs

@@ -1,7 +1,7 @@
 use core::f32::math::sqrt;
 
 use crate::objects::hit::Hit;
-use crate::objects::traits::{Hittable, Normal};
+use crate::objects::traits::Hittable;
 use crate::Vec3;
 
 pub struct Sphere {
@@ -34,9 +34,7 @@ impl Hittable for Sphere {
             Some(Hit::new(t, p, self.normal_at(&p)))
         }
     }
-}
 
-impl Normal for Sphere {
     fn normal_at(&self, p: &Vec3) -> Vec3 {
         (*p - self.center).get_unit()
     }