Seed automation works

src/seed_automation.rs

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+use crate::SeededRng;
+use crate::basic::{IntoImage, Table};
+use bevy::asset::{Assets, RenderAssetUsages};
+use bevy::image::{BevyDefault, Image};
+use bevy::input::ButtonInput;
+use bevy::prelude::{Commands, Component, Entity, KeyCode, Query, ResMut, Sprite};
+use bevy::render::render_resource::{Extent3d, TextureDimension, TextureFormat};
+use rand::RngExt;
+use rand_chacha::ChaCha8Rng;
+
+pub fn update_automation_view_seed(
+    query: Query<(&Sprite, &SeedAutomation)>,
+    mut images: ResMut<Assets<Image>>,
+) {
+    let (sprite, automation) = query.iter().next().unwrap();
+    let size = automation.world.side as u32;
+    let data = automation.world.get_image_data();
+    let image = Image::new(
+        Extent3d {
+            width: size,
+            height: size,
+            depth_or_array_layers: 1,
+        },
+        TextureDimension::D2,
+        data,
+        TextureFormat::bevy_default(),
+        RenderAssetUsages::default(),
+    );
+
+    images.remove(sprite.image.id());
+    images.insert(sprite.image.id(), image).unwrap();
+}
+
+pub fn update_automation_seed(
+    mut query: Query<(&mut SeedAutomation, Entity)>,
+    mut seeded_rng: ResMut<SeededRng>,
+    keys: ResMut<ButtonInput<KeyCode>>,
+    mut commands: Commands) {
+    let  (mut automation, entity) = query.iter_mut().next().unwrap();
+    if keys.just_pressed(KeyCode::Space){
+        let random = &mut seeded_rng.0;
+        automation.next(random)
+    }
+    if keys.just_pressed(KeyCode::Tab){
+        commands.entity(entity).;
+    }
+}
+
+#[derive(Component)]
+pub struct SeedAutomation {
+    pub(crate) world: Table<bool>,
+}
+
+impl SeedAutomation {
+    fn next(&mut self, rng: &mut ChaCha8Rng) {
+        let len = (self.world.side * self.world.side) as f32;
+        loop {
+            let index = (rng.random::<f32>() * len) as usize;
+            if *self.world.get(index) {
+                continue;
+            }
+            self.world.set(index, true);
+            break;
+        }
+    }
+}