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Fix imports and Uniform creation usage in rand

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Rand v0.9 made the `Uniform::new()` function fallible, but I'm going to
keep assuming these always work and just `.unwrap()` the Result.

It also renamed the distribution module, for some reason.
This commit is contained in:
Robert Garrett
2025-03-01 12:57:57 -06:00
parent 8548e4e322
commit 05add1efca
2 changed files with 9 additions and 9 deletions
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10
src/scene.rs
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@@ -3,7 +3,7 @@ use crate::primitives::{Vec3, Ray};
use rand::Rng;
use rand::rngs::SmallRng;
use rand::distributions::Uniform;
use rand::distr::Uniform;
pub struct HitRecord{
pub p: Vec3,
@@ -140,7 +140,7 @@ impl Material {
let sin_theta = (1.0 - cos_theta * cos_theta).sqrt();
let cannot_refract = refraction_ratio * sin_theta > 1.0;
let distrib_zero_one = Uniform::new(0.0, 1.0);
let distrib_zero_one = Uniform::new(0.0, 1.0).unwrap();
let direction = if cannot_refract || Material::reflectance(cos_theta, refraction_ratio) > srng.sample(distrib_zero_one) {
Vec3::reflect(unit_direction, rec.normal)
} else {
@@ -240,7 +240,7 @@ impl Scene {
world.push( Hittable::Sphere { center: Vec3::new(0.0, -1000.0, 0.0), radius: 1000.0, material: mat_ground });
let distrib_zero_one = Uniform::new(0.0, 1.0);
let distrib_zero_one = Uniform::new(0.0, 1.0).unwrap();
for a in -11..11 {
for b in -11..11 {
let choose_mat = srng.sample(distrib_zero_one);
@@ -264,8 +264,8 @@ impl Scene {
);
} else if choose_mat < 0.95 {
// metal
let distr_albedo = Uniform::new(0.5, 1.0);
let distr_fuzz = Uniform::new(0.0, 0.5);
let distr_albedo = Uniform::new(0.5, 1.0).unwrap();
let distr_fuzz = Uniform::new(0.0, 0.5).unwrap();
let albedo = Vec3::rand(srng, distr_albedo);
let fuzz = srng.sample(distr_fuzz);