rtiow: add blox with gloxy edges.

Fixed bug in kdtree that this uncovered.
Marked Hit and it's dependencies as needing to implement the Debug
trait.

rtiow/renderer/src/noise/lode.rs

@@ -5,6 +5,7 @@ use rand;
 use crate::{noise::NoiseSource, vec3::Vec3};
 
 const NOISE_SIZE: usize = 128;
+#[derive(Debug)]
 pub struct Lode {
     // Using fixed array causes stack overflow.
     noise: Vec<Vec<Vec<f32>>>, //[[[f32; NOISE_SIZE]; NOISE_SIZE]; NOISE_SIZE],

rtiow/renderer/src/noise/mod.rs

@@ -1,13 +1,13 @@
 pub mod lode;
 pub mod perlin;
 
-use std::f32::consts::PI;
+use std::{f32::consts::PI, fmt::Debug};
 
 use serde_derive::Deserialize;
 
 use crate::vec3::Vec3;
 
-pub trait NoiseSource: Send + Sync {
+pub trait NoiseSource: Send + Sync + Debug {
     /// value returns noise on the interval [0., 1.).
     fn value(&self, p: Vec3) -> f32;
 

rtiow/renderer/src/noise/perlin.rs

@@ -8,6 +8,7 @@ use crate::{
     vec3::{dot, Vec3},
 };
 
+#[derive(Debug)]
 pub struct Perlin {
     ran_vec: Vec<Vec3>,
     perm_x: Vec<usize>,