cargo fmt.

rtiow/noise_explorer/src/main.rs

@@ -1,15 +1,6 @@
-use std::fmt;
-use std::time::SystemTime;
+use std::{fmt, time::SystemTime};
 
-use actix_web::http;
-use actix_web::middleware;
-use actix_web::server;
-use actix_web::App;
-use actix_web::HttpRequest;
-use actix_web::HttpResponse;
-use actix_web::Path;
-use actix_web::Query;
-use actix_web::Result;
+use actix_web::{http, middleware, server, App, HttpRequest, HttpResponse, Path, Query, Result};
 use askama::Template;
 use log::info;
 use rand::SeedableRng;
@@ -17,13 +8,12 @@ use rand_xorshift::XorShiftRng;
 use serde_derive::Deserialize;
 use structopt::StructOpt;
 
-use renderer::noise;
-use renderer::noise::lode::Lode;
-use renderer::noise::perlin::Perlin;
-use renderer::noise::NoiseType;
-use renderer::texture::NoiseTexture;
-use renderer::texture::Texture;
-use renderer::vec3::Vec3;
+use renderer::{
+    noise,
+    noise::{lode::Lode, perlin::Perlin, NoiseType},
+    texture::{NoiseTexture, Texture},
+    vec3::Vec3,
+};
 
 #[derive(StructOpt)]
 #[structopt(name = "noise_explorer", about = "CLI for exploring Perlin noise")]
@@ -453,16 +443,9 @@ fn main() -> Result<(), std::io::Error> {
 mod tests {
     use std::str;
 
-    use actix_web::http::Method;
-    use actix_web::test::TestServer;
-    use actix_web::HttpMessage;
-    use actix_web::Path;
-    use actix_web::Query;
+    use actix_web::{http::Method, test::TestServer, HttpMessage, Path, Query};
 
-    use super::NoiseParamsMarble;
-    use super::NoiseParamsScale;
-    use super::NoiseParamsTurbulence;
-    use super::OptionalParams;
+    use super::{NoiseParamsMarble, NoiseParamsScale, NoiseParamsTurbulence, OptionalParams};
 
     #[test]
     fn noise_param_from_req() {

rtiow/renderer/benches/spheres.rs

@@ -1,15 +1,12 @@
 #[macro_use]
 extern crate criterion;
 
-use criterion::Criterion;
-use criterion::ParameterizedBenchmark;
+use criterion::{Criterion, ParameterizedBenchmark};
 
-use rtiow::hitable::Hit;
-use rtiow::material::Lambertian;
-use rtiow::ray::Ray;
-use rtiow::sphere::Sphere;
-use rtiow::texture::ConstantTexture;
-use rtiow::vec3::Vec3;
+use rtiow::{
+    hitable::Hit, material::Lambertian, ray::Ray, sphere::Sphere, texture::ConstantTexture,
+    vec3::Vec3,
+};
 
 fn criterion_benchmark(c: &mut Criterion) {
     let sphere = Sphere::new(

rtiow/renderer/src/aabb.rs

@@ -1,7 +1,6 @@
 use std::fmt;
 
-use crate::ray::Ray;
-use crate::vec3::Vec3;
+use crate::{ray::Ray, vec3::Vec3};
 
 #[derive(Debug, Clone, PartialEq)]
 pub struct AABB {

rtiow/renderer/src/bvh.rs

@@ -1,16 +1,13 @@
-use std;
-use std::fmt;
-use std::time::Instant;
+use std::{self, fmt, time::Instant};
 
 use log::info;
-use rand;
-use rand::Rng;
+use rand::{self, Rng};
 
-use crate::aabb::surrounding_box;
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::ray::Ray;
+use crate::{
+    aabb::{surrounding_box, AABB},
+    hitable::{Hit, HitRecord},
+    ray::Ray,
+};
 
 enum BVHNode {
     Leaf(Box<dyn Hit>),
@@ -232,12 +229,13 @@ impl Hit for BVH {
 
 #[cfg(test)]
 mod tests {
-    use crate::aabb::AABB;
-    use crate::material::Lambertian;
-    use crate::material::Metal;
-    use crate::sphere::Sphere;
-    use crate::texture::ConstantTexture;
-    use crate::vec3::Vec3;
+    use crate::{
+        aabb::AABB,
+        material::{Lambertian, Metal},
+        sphere::Sphere,
+        texture::ConstantTexture,
+        vec3::Vec3,
+    };
 
     use super::*;
 

rtiow/renderer/src/camera.rs

@@ -1,11 +1,11 @@
 use std::f32::consts::PI;
 
-use rand;
-use rand::Rng;
+use rand::{self, Rng};
 
-use crate::ray::Ray;
-use crate::vec3::cross;
-use crate::vec3::Vec3;
+use crate::{
+    ray::Ray,
+    vec3::{cross, Vec3},
+};
 
 fn random_in_unit_disk() -> Vec3 {
     let mut rng = rand::thread_rng();

rtiow/renderer/src/constant_medium.rs

@@ -1,15 +1,15 @@
 use std;
 
-use rand;
-use rand::Rng;
+use rand::{self, Rng};
 
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::material::Isotropic;
-use crate::ray::Ray;
-use crate::texture::Texture;
-use crate::vec3::Vec3;
+use crate::{
+    aabb::AABB,
+    hitable::{Hit, HitRecord},
+    material::Isotropic,
+    ray::Ray,
+    texture::Texture,
+    vec3::Vec3,
+};
 
 pub struct ConstantMedium<H, T>
 where

rtiow/renderer/src/cuboid.rs

@@ -1,16 +1,15 @@
 use std::sync::Arc;
 
-use crate::aabb::AABB;
-use crate::flip_normals::FlipNormals;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::hitable_list::HitableList;
-use crate::material::Material;
-use crate::ray::Ray;
-use crate::rect::XYRect;
-use crate::rect::XZRect;
-use crate::rect::YZRect;
-use crate::vec3::Vec3;
+use crate::{
+    aabb::AABB,
+    flip_normals::FlipNormals,
+    hitable::{Hit, HitRecord},
+    hitable_list::HitableList,
+    material::Material,
+    ray::Ray,
+    rect::{XYRect, XZRect, YZRect},
+    vec3::Vec3,
+};
 
 pub struct Cuboid {
     p_min: Vec3,

rtiow/renderer/src/flip_normals.rs

@@ -1,7 +1,8 @@
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::ray::Ray;
+use crate::{
+    aabb::AABB,
+    hitable::{Hit, HitRecord},
+    ray::Ray,
+};
 
 pub struct FlipNormals<H>
 where

rtiow/renderer/src/hitable.rs

@@ -1,9 +1,6 @@
 use std::sync::Arc;
 
-use crate::aabb::AABB;
-use crate::material::Material;
-use crate::ray::Ray;
-use crate::vec3::Vec3;
+use crate::{aabb::AABB, material::Material, ray::Ray, vec3::Vec3};
 
 pub struct HitRecord<'m> {
     pub t: f32,

rtiow/renderer/src/hitable_list.rs

@@ -1,11 +1,11 @@
 use std;
 
-use crate::aabb::surrounding_box;
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::ray::Ray;
-use crate::vec3::Vec3;
+use crate::{
+    aabb::{surrounding_box, AABB},
+    hitable::{Hit, HitRecord},
+    ray::Ray,
+    vec3::Vec3,
+};
 
 #[derive(Default)]
 pub struct HitableList {

rtiow/renderer/src/kdtree.rs

@@ -2,11 +2,11 @@ use std::fmt;
 
 use log::info;
 
-use crate::aabb::surrounding_box;
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::ray::Ray;
+use crate::{
+    aabb::{surrounding_box, AABB},
+    hitable::{Hit, HitRecord},
+    ray::Ray,
+};
 
 pub enum KDTree {
     Leaf(Box<dyn Hit>),

rtiow/renderer/src/material.rs

@@ -1,13 +1,13 @@
 use std::sync::Arc;
 
-use rand;
-use rand::Rng;
+use rand::{self, Rng};
 
-use crate::hitable::HitRecord;
-use crate::ray::Ray;
-use crate::texture::Texture;
-use crate::vec3::dot;
-use crate::vec3::Vec3;
+use crate::{
+    hitable::HitRecord,
+    ray::Ray,
+    texture::Texture,
+    vec3::{dot, Vec3},
+};
 
 fn random_in_unit_sphere() -> Vec3 {
     let mut rng = rand::thread_rng();

rtiow/renderer/src/moving_sphere.rs

@@ -1,12 +1,11 @@
-use crate::aabb::surrounding_box;
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::material::Material;
-use crate::ray::Ray;
-use crate::sphere::get_sphere_uv;
-use crate::vec3::dot;
-use crate::vec3::Vec3;
+use crate::{
+    aabb::{surrounding_box, AABB},
+    hitable::{Hit, HitRecord},
+    material::Material,
+    ray::Ray,
+    sphere::get_sphere_uv,
+    vec3::{dot, Vec3},
+};
 
 pub struct MovingSphere<M>
 where

rtiow/renderer/src/noise/lode.rs

@@ -2,8 +2,7 @@ use log::trace;
 /// Implements the concepts from https://lodev.org/cgtutor/randomnoise.html
 use rand;
 
-use crate::noise::NoiseSource;
-use crate::vec3::Vec3;
+use crate::{noise::NoiseSource, vec3::Vec3};
 
 const NOISE_SIZE: usize = 128;
 pub struct Lode {

rtiow/renderer/src/noise/perlin.rs

@@ -1,12 +1,12 @@
 // There are many math functions in this file, so we allow single letter variable names.
 #![allow(clippy::many_single_char_names)]
 use log::trace;
-use rand::seq::SliceRandom;
-use rand::Rng;
+use rand::{seq::SliceRandom, Rng};
 
-use crate::noise::NoiseSource;
-use crate::vec3::dot;
-use crate::vec3::Vec3;
+use crate::{
+    noise::NoiseSource,
+    vec3::{dot, Vec3},
+};
 
 pub struct Perlin {
     ran_vec: Vec<Vec3>,

rtiow/renderer/src/output.rs

@@ -1,10 +1,11 @@
-use std::collections::HashMap;
-use std::fs::File;
-use std::io::BufWriter;
-use std::path::Path;
-use std::sync::Arc;
-use std::sync::Mutex;
-use std::time;
+use std::{
+    collections::HashMap,
+    fs::File,
+    io::BufWriter,
+    path::Path,
+    sync::{Arc, Mutex},
+    time,
+};
 
 use chrono::Local;
 use image;
@@ -12,8 +13,7 @@ use lazy_static::lazy_static;
 use log::info;
 use serde_derive::Serialize;
 
-use crate::renderer::Scene;
-use crate::vec3::Vec3;
+use crate::{renderer::Scene, vec3::Vec3};
 
 // Main RGB image output from rendering the scene.
 pub const MAIN_IMAGE: &str = "@final";

rtiow/renderer/src/rect.rs

@@ -1,11 +1,12 @@
 // There are many math functions in this file, so we allow single letter variable names.
 #![allow(clippy::many_single_char_names)]
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::material::Material;
-use crate::ray::Ray;
-use crate::vec3::Vec3;
+use crate::{
+    aabb::AABB,
+    hitable::{Hit, HitRecord},
+    material::Material,
+    ray::Ray,
+    vec3::Vec3,
+};
 
 pub struct XYRect<M>
 where

rtiow/renderer/src/renderer.rs

@@ -1,38 +1,34 @@
-use std::fmt;
-use std::ops::AddAssign;
-use std::ops::Range;
-use std::path::Path;
-use std::path::PathBuf;
-use std::str;
-use std::sync;
-use std::sync::mpsc::sync_channel;
-use std::sync::mpsc::Receiver;
-use std::sync::mpsc::SyncSender;
-use std::sync::Arc;
-use std::sync::Mutex;
-use std::thread;
-use std::time;
+use std::{
+    fmt,
+    ops::{AddAssign, Range},
+    path::{Path, PathBuf},
+    str, sync,
+    sync::{
+        mpsc::{sync_channel, Receiver, SyncSender},
+        Arc, Mutex,
+    },
+    thread, time,
+};
 
 use core_affinity;
-use log::info;
-use log::trace;
+use log::{info, trace};
 use num_cpus;
-use rand;
-use rand::Rng;
+use rand::{self, Rng};
 use serde_derive::Serialize;
 use structopt::StructOpt;
 
-use crate::camera::Camera;
-use crate::hitable::Hit;
-use crate::human;
-use crate::material::Lambertian;
-use crate::output;
-use crate::ray::Ray;
-use crate::scenes;
-use crate::sphere::Sphere;
-use crate::texture::ConstantTexture;
-use crate::texture::EnvMap;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    hitable::Hit,
+    human,
+    material::Lambertian,
+    output,
+    ray::Ray,
+    scenes,
+    sphere::Sphere,
+    texture::{ConstantTexture, EnvMap},
+    vec3::Vec3,
+};
 
 #[derive(Debug)]
 pub enum Model {

rtiow/renderer/src/rotate.rs

@@ -1,12 +1,11 @@
-use std::f32::consts::PI;
-use std::f32::MAX;
-use std::f32::MIN;
+use std::f32::{consts::PI, MAX, MIN};
 
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::ray::Ray;
-use crate::vec3::Vec3;
+use crate::{
+    aabb::AABB,
+    hitable::{Hit, HitRecord},
+    ray::Ray,
+    vec3::Vec3,
+};
 
 pub struct RotateY<H>
 where

rtiow/renderer/src/scenes/bench.rs

@@ -1,18 +1,18 @@
 use log::trace;
-use rand;
-use rand::Rng;
+use rand::{self, Rng};
 
-use crate::bvh::BVH;
-use crate::camera::Camera;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::kdtree::KDTree;
-use crate::material::Lambertian;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::sphere::Sphere;
-use crate::texture::ConstantTexture;
-use crate::vec3::Vec3;
+use crate::{
+    bvh::BVH,
+    camera::Camera,
+    hitable::Hit,
+    hitable_list::HitableList,
+    kdtree::KDTree,
+    material::Lambertian,
+    renderer::{Opt, Scene},
+    sphere::Sphere,
+    texture::ConstantTexture,
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(20., 20., 20.);

rtiow/renderer/src/scenes/book.rs

@@ -1,21 +1,16 @@
-use rand;
-use rand::Rng;
+use rand::{self, Rng};
 
-use crate::camera::Camera;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::kdtree::KDTree;
-use crate::material::Dielectric;
-use crate::material::Lambertian;
-use crate::material::Material;
-use crate::material::Metal;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::sphere::Sphere;
-use crate::texture::CheckerTexture;
-use crate::texture::ConstantTexture;
-use crate::texture::EnvMap;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    hitable::Hit,
+    hitable_list::HitableList,
+    kdtree::KDTree,
+    material::{Dielectric, Lambertian, Material, Metal},
+    renderer::{Opt, Scene},
+    sphere::Sphere,
+    texture::{CheckerTexture, ConstantTexture, EnvMap},
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(13., 2., 3.);

rtiow/renderer/src/scenes/bvh.rs

@@ -1,16 +1,16 @@
 use log::trace;
 
-use crate::bvh::BVH;
-use crate::camera::Camera;
-use crate::hitable::Hit;
-use crate::material::Lambertian;
-use crate::material::Metal;
-use crate::moving_sphere::MovingSphere;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::sphere::Sphere;
-use crate::texture::ConstantTexture;
-use crate::vec3::Vec3;
+use crate::{
+    bvh::BVH,
+    camera::Camera,
+    hitable::Hit,
+    material::{Lambertian, Metal},
+    moving_sphere::MovingSphere,
+    renderer::{Opt, Scene},
+    sphere::Sphere,
+    texture::ConstantTexture,
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(3., 3., 2.);

rtiow/renderer/src/scenes/cornell_box.rs

@@ -1,22 +1,20 @@
 use std::sync::Arc;
 
-use crate::camera::Camera;
-use crate::cuboid::Cuboid;
-use crate::flip_normals::FlipNormals;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::kdtree::KDTree;
-use crate::material::DiffuseLight;
-use crate::material::Lambertian;
-use crate::rect::XYRect;
-use crate::rect::XZRect;
-use crate::rect::YZRect;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::rotate::RotateY;
-use crate::texture::ConstantTexture;
-use crate::translate::Translate;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    cuboid::Cuboid,
+    flip_normals::FlipNormals,
+    hitable::Hit,
+    hitable_list::HitableList,
+    kdtree::KDTree,
+    material::{DiffuseLight, Lambertian},
+    rect::{XYRect, XZRect, YZRect},
+    renderer::{Opt, Scene},
+    rotate::RotateY,
+    texture::ConstantTexture,
+    translate::Translate,
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(278., 278., -800.);

rtiow/renderer/src/scenes/cornell_smoke.rs

@@ -1,24 +1,21 @@
 use std::sync::Arc;
 
-use crate::camera::Camera;
-use crate::constant_medium::ConstantMedium;
-use crate::cuboid::Cuboid;
-use crate::flip_normals::FlipNormals;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::kdtree::KDTree;
-use crate::material::DiffuseLight;
-use crate::material::Lambertian;
-use crate::material::Material;
-use crate::rect::XYRect;
-use crate::rect::XZRect;
-use crate::rect::YZRect;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::rotate::RotateY;
-use crate::texture::ConstantTexture;
-use crate::translate::Translate;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    constant_medium::ConstantMedium,
+    cuboid::Cuboid,
+    flip_normals::FlipNormals,
+    hitable::Hit,
+    hitable_list::HitableList,
+    kdtree::KDTree,
+    material::{DiffuseLight, Lambertian, Material},
+    rect::{XYRect, XZRect, YZRect},
+    renderer::{Opt, Scene},
+    rotate::RotateY,
+    texture::ConstantTexture,
+    translate::Translate,
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(278., 278., -800.);

rtiow/renderer/src/scenes/final_scene.rs

@@ -1,33 +1,26 @@
 use std::sync::Arc;
 
 use image;
-use rand;
-use rand::Rng;
+use rand::{self, Rng};
 
-use crate::camera::Camera;
-use crate::constant_medium::ConstantMedium;
-use crate::cuboid::Cuboid;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::kdtree::KDTree;
-use crate::material::Dielectric;
-use crate::material::DiffuseLight;
-use crate::material::Lambertian;
-use crate::material::Material;
-use crate::material::Metal;
-use crate::moving_sphere::MovingSphere;
-use crate::noise::perlin::Perlin;
-use crate::noise::NoiseType;
-use crate::rect::XZRect;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::rotate::RotateY;
-use crate::sphere::Sphere;
-use crate::texture::ConstantTexture;
-use crate::texture::ImageTexture;
-use crate::texture::NoiseTexture;
-use crate::translate::Translate;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    constant_medium::ConstantMedium,
+    cuboid::Cuboid,
+    hitable::Hit,
+    hitable_list::HitableList,
+    kdtree::KDTree,
+    material::{Dielectric, DiffuseLight, Lambertian, Material, Metal},
+    moving_sphere::MovingSphere,
+    noise::{perlin::Perlin, NoiseType},
+    rect::XZRect,
+    renderer::{Opt, Scene},
+    rotate::RotateY,
+    sphere::Sphere,
+    texture::{ConstantTexture, ImageTexture, NoiseTexture},
+    translate::Translate,
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(478., 278., -600.);

rtiow/renderer/src/scenes/mandelbrot.rs

@@ -1,24 +1,18 @@
 use rand;
 
-use crate::camera::Camera;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::kdtree::KDTree;
-use crate::material::DiffuseLight;
-use crate::material::Lambertian;
-use crate::noise::perlin::Perlin;
-use crate::noise::NoiseType;
-use crate::rect::XYRect;
-use crate::rect::XZRect;
-use crate::rect::YZRect;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::sphere::Sphere;
-use crate::texture::ConstantTexture;
-use crate::texture::ImageTexture;
-use crate::texture::Mandelbrot;
-use crate::texture::NoiseTexture;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    hitable::Hit,
+    hitable_list::HitableList,
+    kdtree::KDTree,
+    material::{DiffuseLight, Lambertian},
+    noise::{perlin::Perlin, NoiseType},
+    rect::{XYRect, XZRect, YZRect},
+    renderer::{Opt, Scene},
+    sphere::Sphere,
+    texture::{ConstantTexture, ImageTexture, Mandelbrot, NoiseTexture},
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(20., 20., 20.);

rtiow/renderer/src/scenes/perlin_debug.rs

@@ -2,19 +2,18 @@ use std::sync::Arc;
 
 use rand;
 
-use crate::camera::Camera;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::kdtree::KDTree;
-use crate::material::Lambertian;
-use crate::noise::perlin::Perlin;
-use crate::noise::NoiseType;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::sphere::Sphere;
-use crate::texture::NoiseTexture;
-use crate::texture::Texture;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    hitable::Hit,
+    hitable_list::HitableList,
+    kdtree::KDTree,
+    material::Lambertian,
+    noise::{perlin::Perlin, NoiseType},
+    renderer::{Opt, Scene},
+    sphere::Sphere,
+    texture::{NoiseTexture, Texture},
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(13., 2., 3.);

rtiow/renderer/src/scenes/spheramid.rs

@@ -1,18 +1,15 @@
-use crate::camera::Camera;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::material::Dielectric;
-use crate::material::Lambertian;
-use crate::material::Metal;
-use crate::moving_sphere::MovingSphere;
-use crate::rect::XYRect;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::sphere::Sphere;
-use crate::texture::CheckerTexture;
-use crate::texture::ConstantTexture;
-use crate::texture::EnvMap;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    hitable::Hit,
+    hitable_list::HitableList,
+    material::{Dielectric, Lambertian, Metal},
+    moving_sphere::MovingSphere,
+    rect::XYRect,
+    renderer::{Opt, Scene},
+    sphere::Sphere,
+    texture::{CheckerTexture, ConstantTexture, EnvMap},
+    vec3::Vec3,
+};
 
 // Draws many spheres along each positive axis.
 // Blue X-positive

rtiow/renderer/src/scenes/test.rs

@@ -1,24 +1,19 @@
 use image;
 use rand;
 
-use crate::camera::Camera;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::kdtree::KDTree;
-use crate::material::DiffuseLight;
-use crate::material::Lambertian;
-use crate::noise::perlin::Perlin;
-use crate::noise::NoiseType;
-use crate::rect::XYRect;
-use crate::rect::XZRect;
-use crate::rect::YZRect;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::sphere::Sphere;
-use crate::texture::ConstantTexture;
-use crate::texture::ImageTexture;
-use crate::texture::NoiseTexture;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    hitable::Hit,
+    hitable_list::HitableList,
+    kdtree::KDTree,
+    material::{DiffuseLight, Lambertian},
+    noise::{perlin::Perlin, NoiseType},
+    rect::{XYRect, XZRect, YZRect},
+    renderer::{Opt, Scene},
+    sphere::Sphere,
+    texture::{ConstantTexture, ImageTexture, NoiseTexture},
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(20., 20., 20.);

rtiow/renderer/src/scenes/tutorial.rs

@@ -1,18 +1,15 @@
-use crate::camera::Camera;
-use crate::hitable::Hit;
-use crate::hitable_list::HitableList;
-use crate::kdtree::KDTree;
-use crate::material::Dielectric;
-use crate::material::Lambertian;
-use crate::material::Metal;
-use crate::moving_sphere::MovingSphere;
-use crate::renderer::Opt;
-use crate::renderer::Scene;
-use crate::sphere::Sphere;
-use crate::texture::CheckerTexture;
-use crate::texture::ConstantTexture;
-use crate::texture::Texture;
-use crate::vec3::Vec3;
+use crate::{
+    camera::Camera,
+    hitable::Hit,
+    hitable_list::HitableList,
+    kdtree::KDTree,
+    material::{Dielectric, Lambertian, Metal},
+    moving_sphere::MovingSphere,
+    renderer::{Opt, Scene},
+    sphere::Sphere,
+    texture::{CheckerTexture, ConstantTexture, Texture},
+    vec3::Vec3,
+};
 
 pub fn new(opt: &Opt) -> Scene {
     let lookfrom = Vec3::new(3., 4., 2.);

rtiow/renderer/src/sphere.rs

@@ -1,12 +1,12 @@
 use std::f32::consts::PI;
 
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::material::Material;
-use crate::ray::Ray;
-use crate::vec3::dot;
-use crate::vec3::Vec3;
+use crate::{
+    aabb::AABB,
+    hitable::{Hit, HitRecord},
+    material::Material,
+    ray::Ray,
+    vec3::{dot, Vec3},
+};
 
 pub struct Sphere<M>
 where

rtiow/renderer/src/texture/checker.rs

@@ -1,5 +1,4 @@
-use crate::texture::Texture;
-use crate::vec3::Vec3;
+use crate::{texture::Texture, vec3::Vec3};
 
 pub struct CheckerTexture<T>
 where

rtiow/renderer/src/texture/constant.rs

@@ -1,5 +1,4 @@
-use crate::texture::Texture;
-use crate::vec3::Vec3;
+use crate::{texture::Texture, vec3::Vec3};
 
 #[derive(Debug, PartialEq)]
 pub struct ConstantTexture {

rtiow/renderer/src/texture/envmap.rs

@@ -2,9 +2,10 @@ use std::f32;
 
 use image::RgbImage;
 
-use crate::texture::ImageTexture;
-use crate::texture::Texture;
-use crate::vec3::Vec3;
+use crate::{
+    texture::{ImageTexture, Texture},
+    vec3::Vec3,
+};
 
 #[derive(Debug)]
 pub struct EnvMap {

rtiow/renderer/src/texture/image.rs

@@ -1,7 +1,6 @@
 use image::RgbImage;
 
-use crate::texture::Texture;
-use crate::vec3::Vec3;
+use crate::{texture::Texture, vec3::Vec3};
 
 #[derive(Debug)]
 pub struct ImageTexture {

rtiow/renderer/src/texture/mandelbrot.rs

@@ -1,9 +1,7 @@
 #![allow(clippy::many_single_char_names)]
-use rand;
-use rand::Rng;
+use rand::{self, Rng};
 
-use crate::texture::Texture;
-use crate::vec3::Vec3;
+use crate::{texture::Texture, vec3::Vec3};
 
 pub struct Mandelbrot {
     palette: Vec<Vec3>,

rtiow/renderer/src/texture/mod.rs

@@ -4,12 +4,10 @@ mod envmap;
 mod image;
 mod mandelbrot;
 mod noise;
-pub use crate::texture::checker::CheckerTexture;
-pub use crate::texture::constant::ConstantTexture;
-pub use crate::texture::envmap::EnvMap;
-pub use crate::texture::image::ImageTexture;
-pub use crate::texture::mandelbrot::Mandelbrot;
-pub use crate::texture::noise::NoiseTexture;
+pub use crate::texture::{
+    checker::CheckerTexture, constant::ConstantTexture, envmap::EnvMap, image::ImageTexture,
+    mandelbrot::Mandelbrot, noise::NoiseTexture,
+};
 
 use std::sync::Arc;
 

rtiow/renderer/src/texture/noise.rs

@@ -1,7 +1,8 @@
-use crate::noise::NoiseSource;
-use crate::noise::NoiseType;
-use crate::texture::Texture;
-use crate::vec3::Vec3;
+use crate::{
+    noise::{NoiseSource, NoiseType},
+    texture::Texture,
+    vec3::Vec3,
+};
 
 pub struct NoiseTexture<N>
 where

rtiow/renderer/src/translate.rs

@@ -1,8 +1,9 @@
-use crate::aabb::AABB;
-use crate::hitable::Hit;
-use crate::hitable::HitRecord;
-use crate::ray::Ray;
-use crate::vec3::Vec3;
+use crate::{
+    aabb::AABB,
+    hitable::{Hit, HitRecord},
+    ray::Ray,
+    vec3::Vec3,
+};
 
 pub struct Translate<H>
 where

rtiow/renderer/src/vec3.rs

@@ -1,16 +1,12 @@
-use std::convert::From;
-use std::fmt;
-use std::num::ParseFloatError;
-use std::ops::Add;
-use std::ops::Div;
-use std::ops::Index;
-use std::ops::Mul;
-use std::ops::Neg;
-use std::ops::Sub;
-use std::str;
+use std::{
+    convert::From,
+    fmt,
+    num::ParseFloatError,
+    ops::{Add, Div, Index, Mul, Neg, Sub},
+    str,
+};
 
-use serde_derive::Deserialize;
-use serde_derive::Serialize;
+use serde_derive::{Deserialize, Serialize};
 
 #[derive(Default, Debug, Deserialize, Serialize, PartialEq, Copy, Clone)]
 pub struct Vec3 {
@@ -207,8 +203,7 @@ impl Sub for Vec3 {
 
 #[cfg(test)]
 mod tests {
-    use std::f32::consts::PI;
-    use std::str::FromStr;
+    use std::{f32::consts::PI, str::FromStr};
 
     use super::*;
 

rtiow/tracer/src/main.rs

@@ -6,8 +6,7 @@ use cpuprofiler::PROFILER;
 use log::info;
 use structopt::StructOpt;
 
-use renderer::renderer::render;
-use renderer::renderer::Opt;
+use renderer::renderer::{render, Opt};
 
 #[cfg(not(feature = "profile"))]
 struct MockTimer;