ft: 10: metals

src/objects/hit.rs

@@ -1,14 +1,26 @@
-use crate::{objects::traits::Hittable, ray::Ray, vec3::Vec3};
+use std::sync::Arc;
+
+use crate::{
+    objects::{materials::traits::Material, traits::Hittable},
+    ray::Ray,
+    vec3::Vec3,
+};
 
 pub struct Hit {
     t: f32,
     p: Vec3,
     n: Vec3,
+    mat: Arc<dyn Material>,
 }
 
 impl Hit {
-    pub fn new(t: f32, p: Vec3, n: Vec3) -> Hit {
-        Hit { t: t, p: p, n: n }
+    pub fn new(t: f32, p: Vec3, n: Vec3, mat: Arc<dyn Material>) -> Self {
+        Self {
+            t: t,
+            p: p,
+            n: n,
+            mat: mat,
+        }
     }
 
     pub fn t(&self) -> &f32 {
@@ -23,6 +35,10 @@ impl Hit {
         &self.n
     }
 
+    pub fn mat(&self) -> Arc<dyn Material> {
+        self.mat.clone()
+    }
+
     pub fn hit_list<T: Hittable>(hittables: &Vec<T>, r: &Ray) -> Option<Hit> {
         let mut closest: Option<Hit> = None;
         for hittable in hittables {