ft (wip): deserialization

src/objects/sphere.rs

@@ -1,6 +1,9 @@
 use core::f32::math::sqrt;
+use std::fmt::{self, Debug};
 use std::sync::Arc;
 
+use serde::Deserialize;
+
 use crate::objects::hit::Hit;
 use crate::objects::materials::traits::Material;
 use crate::objects::traits::Hittable;
@@ -13,6 +16,16 @@ pub struct Sphere {
     material: Arc<dyn Material>,
 }
 
+impl Debug for Sphere {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("Sphere")
+            .field("center", &self.center)
+            .field("radius", &self.radius)
+            .field("material", &self.material)
+            .finish()
+    }
+}
+
 impl Sphere {
     pub fn new(center: Vec3, r: f32, mat: Arc<dyn Material>) -> Self {
         Self {