wip: parallelization

src/objects/sphere.rs

@@ -2,12 +2,11 @@ use core::f32::math::sqrt;
 use std::fmt::{self, Debug};
 use std::sync::Arc;
 
-
+use crate::Vec3;
 use crate::objects::hit::Hit;
 use crate::objects::materials::traits::Material;
 use crate::objects::traits::Hittable;
 use crate::ray::Ray;
-use crate::Vec3;
 
 pub struct Sphere {
     center: Vec3,
@@ -63,14 +62,10 @@ impl Hittable for Sphere {
             Some(Hit::new(
                 t,
                 p,
-                self.normal_at(&p),
+                (p - self.center).get_unit(),
                 self.material.clone(),
                 out_n.dot(r.dir()) < 0.,
             ))
         }
     }
-
-    fn normal_at(&self, p: &Vec3) -> Vec3 {
-        (*p - self.center).get_unit()
-    }
 }