Add example to lower system load

.gitignore

@@ -3,3 +3,4 @@
 .idea
 *.iml
 .vscode/
+*.png

src/main.rs

@@ -117,6 +117,7 @@ fn cornell_box() -> Scene {
     )));
 
     // Boxes
+
     let rotated1 = RotateY::new(
         Cuboid::new(
             Point3::new(0.0, 0.0, 0.0),
@@ -144,7 +145,6 @@ fn cornell_box() -> Scene {
     );
     world.push(Arc::new(box2));
 
-
     let look_from = Point3::new(278.0, 278.0, -800.0);
     let look_at = Point3::new(278.0, 278.0, 0.0);
     let focus_dist = 2.0;
@@ -493,6 +493,7 @@ fn main() {
     let image_height: usize = (IMAGE_WIDTH as f64 / scene_setup.cam.aspect_ratio()) as usize;
     let mut pixels = vec![0; IMAGE_WIDTH * image_height * 3];
     let bands: Vec<(usize, &mut [u8])> = pixels.chunks_mut(3).enumerate().collect();
+    //rayon::ThreadPoolBuilder::new().num_threads(3).build_global().unwrap(); // Enable, to reduce load
     let count = Mutex::new(0);
     bands.into_par_iter().for_each(|(i, pixel)| {
         let row = image_height - (i / IMAGE_WIDTH) - 1;

src/translate.rs

@@ -21,7 +21,7 @@ impl<H: Hittable> Hittable for Translate<H> {
         match &self.hittable.hit(&moved_ray, t_min, t_max) {
             Some(hit_record) => {
                 let mut hr = HitRecord {
-                    point: hit_record.point,
+                    point: hit_record.point + self.offset,
                     material: hit_record.material,
                     front_face: hit_record.front_face, // Maybe need to calc normal and front_face again?
                     normal: hit_record.normal,