ft: ran linter

src/camera.rs

@@ -183,7 +183,7 @@ impl Camera {
     
     fn defocus_disk_sample(&self) -> Vec3 {
         let p = Vec3::random_in_unit_disk();
-        return self.look_from + (p.x() * self.defocus_disk_u) + (p.y() * self.defocus_disk_v);
+        self.look_from + (p.x() * self.defocus_disk_u) + (p.y() * self.defocus_disk_v)
     }
 
     pub fn render(&mut self, hittables: &Vec<Arc<dyn Hittable>>) {
@@ -209,7 +209,7 @@ impl Camera {
                         let ray_orig = if self.defocus_angle > 0. { self.defocus_disk_sample() } else {self.look_from};
                         let ray_dir = pixel_loc - ray_orig;
                         let r = Ray::new(ray_orig, ray_dir);
-                        pixel_colour += self.ray_colour(&hittables, &r, self.max_depth);
+                        pixel_colour += self.ray_colour(hittables, &r, self.max_depth);
                     }
                 }
 
@@ -220,7 +220,7 @@ impl Camera {
         }
 
         info!("Writing image file...");
-        imgbuf.save("output.png").unwrap();
+        imgbuf.save("output2.png").unwrap();
     }
 
     fn ray_colour(&self, hittables: &Vec<Arc<dyn Hittable>>, r: &Ray, depth: u32) -> Colour {