latest

src/main.rs

@@ -30,8 +30,10 @@ fn ray_color(r: &Ray, world: &mut dyn Hittable, depth: i32) -> Color {
     }
 
     if world.hit(r, 0.001, INFINITY, &mut rec) {
-        let target = rec.p + random_in_hemisphere(&rec.normal);
-        return 0.5 * ray_color(&Ray::new(rec.p, target - rec.p), world, depth - 1)
+        let mut scattered = Ray::new_empty();
+        let mut attenuation = Color::new_empty();
+
+        if rec.mat_ptr
     }
 
     let unit_direction: Vec3 = r.direction().unit_vector();