Fix refactoring errors

src/material.rs

@@ -116,7 +116,8 @@ impl Scatterable for Dielectric {
             let scattered = Ray::new(hit_record.point, reflected);
             Some((Some(scattered), color))
         } else {
-            let direction = unit_direction.refract_orig(&hit_record.normal, refraction_ratio);
+            //let direction = unit_direction.refract(&hit_record.normal, refraction_ratio);
+            let direction = unit_direction.refract_sort_of_works(&hit_record.normal, refraction_ratio);
             let scattered = Ray::new(hit_record.point, direction);
             Some((Some(scattered), color))
         }

src/vec3.rs

@@ -81,7 +81,7 @@ impl Vec3 {
         let inner =  1.0 - out_perp.length_squared();
         let abs = inner.abs();
         let r = -(abs.sqrt());
-        out_parallel = r * (*normal);
+        let out_parallel = r * (*normal);
         out_perp + out_parallel
     }
     pub fn refract_sort_of_works(&self, normal: &Vec3, etai_over_etat: f64) -> Vec3 {