Upgrade rand/rand_xoshiro version

enkou-shaders/src/chaos_game.rs

@@ -15,14 +15,14 @@
 
 use crate::transform::Transform;
 use crate::variation::Variation;
-use rand::Rng;
-use rand::distributions::{Distribution, Standard};
+use rand::distr::{Distribution, StandardUniform};
+use rand::{Rng, RngExt};
 use spirv_std::glam::{Vec2, vec2};
 
 struct BiUnit;
 impl Distribution<f32> for BiUnit {
     fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> f32 {
-        rng.sample::<f32, _>(Standard) * 2.0 - 1.0
+        rng.sample::<f32, _>(StandardUniform) * 2.0 - 1.0
     }
 }
 
@@ -41,7 +41,7 @@ pub fn step_chaos_game<R: Rng>(
     weights: &[f32],
     variations: &[Variation],
 ) -> (Vec2, u32) {
-    let mut choice_weight = rng.sample::<f32, _>(Standard);
+    let mut choice_weight = rng.sample::<f32, _>(StandardUniform);
     let mut transform_index: u32 = 0;
 
     for i in 0..weights.len() {

enkou-shaders/src/variation.rs

@@ -4,8 +4,8 @@ use bytemuck::{Pod, Zeroable};
 use core::f32::consts::PI;
 use glam::{Affine2, Vec2, vec2};
 use libm::{atan2f, cosf, powf, sinf, sqrtf, tanf};
-use rand::Rng;
-use rand::distributions::Standard;
+use rand::distr::StandardUniform;
+use rand::{Rng, RngExt};
 
 #[derive(Copy, Clone, Pod, Zeroable)]
 #[repr(C)]
@@ -73,7 +73,7 @@ fn transform_point_julia<R: Rng>(point: Vec2, rng: &mut R) -> Vec2 {
     let r = sqrtf(x2 + y2);
 
     let theta = atan2f(point.x, point.y);
-    let omega = if rng.sample::<f32, _>(Standard) > 0.5 {
+    let omega = if rng.sample::<f32, _>(StandardUniform) > 0.5 {
         PI
     } else {
         0.0