feat(prism): impl Default

src/lib.rs

@@ -9,8 +9,6 @@ mod maze;
 mod screens;
 mod theme;
 
-use std::f32::consts::FRAC_PI_4;
-
 use bevy::{
     asset::AssetMetaCheck,
     audio::{AudioPlugin, Volume},
@@ -93,10 +91,9 @@ fn spawn_camera(mut commands: Commands) {
     commands.spawn((
         Name::new("Camera"),
         Camera3dBundle {
-            transform: Transform::from_xyz(0., 5., 10.).looking_at(Vec3::ZERO, Vec3::Y),
+            transform: Transform::from_xyz(0., 15., 10.).looking_at(Vec3::ZERO, Vec3::Y),
             ..default()
         },
-        // Camera2dBundle::default(),
         // Render all UI to this camera.
         // Not strictly necessary since we only use one camera,
         // but if we don't use this component, our UI will disappear as soon

src/maze/grid.rs

@@ -1,4 +1,4 @@
-use std::{f32::consts::PI, usize};
+use std::usize;
 
 use bevy::{
     color::palettes::css::{BLACK, GREEN, RED, SILVER},
@@ -31,21 +31,6 @@ pub(super) fn plugin(app: &mut App) {
     });
 }
 
-pub(super) fn spawn_light(mut commands: Commands) {
-    commands.spawn((
-        Name::new("Light Source"),
-        PointLightBundle {
-            point_light: PointLight {
-                intensity: 5000.,
-                shadows_enabled: true,
-                ..default()
-            },
-            transform: Transform::from_xyz(5., 10., 5.),
-            ..default()
-        },
-    ));
-}
-
 pub(super) fn spawn_hex_grid(mut commands: Commands, config: Res<MazeConfig>) {
     let radius = config.radius as i32;
 

src/maze/mod.rs

@@ -2,7 +2,7 @@ use bevy::{
     ecs::{system::RunSystemOnce, world::Command},
     prelude::*,
 };
-use grid::{generate_maze, plugin, render_maze, spawn_hex_grid, spawn_light};
+use grid::{generate_maze, plugin, render_maze, spawn_hex_grid};
 pub mod grid;
 pub mod prism;
 pub mod resource;
@@ -12,6 +12,7 @@ pub struct MazePlugin;
 
 impl Plugin for MazePlugin {
     fn build(&self, app: &mut App) {
+        app.add_plugins(prism::plugin);
         app.add_plugins(plugin);
     }
 }
@@ -21,7 +22,6 @@ impl Command for MazePlugin {
         // world.run_system_once(spawn_hex_grid);
         // world.run_system_once(generate_maze);
         // world.run_system_once(render_maze);
-        world.run_system_once(spawn_light);
         world.run_system_once(prism::setup);
     }
 }

src/maze/prism.rs

@@ -1,6 +1,10 @@
 use bevy::prelude::*;
 use std::f32::consts::FRAC_PI_2;
 
+pub(super) fn plugin(app: &mut App) {
+    app.add_systems(Update, spawn_light);
+}
+
 #[derive(Debug, Reflect, Component)]
 #[reflect(Component)]
 struct Prism {
@@ -9,11 +13,41 @@ struct Prism {
 }
 
 struct PrismParams {
-    positions: Vec3,
+    position: Vec3,
     radius: f32,
     height: f32,
 }
 
+impl From<Vec3> for PrismParams {
+    fn from(value: Vec3) -> Self {
+        Self {
+            position: value,
+            ..default()
+        }
+    }
+}
+
+impl Default for PrismParams {
+    fn default() -> Self {
+        Self {
+            position: Vec3::ZERO,
+            radius: 2.,
+            height: 4.,
+        }
+    }
+}
+
+pub(super) fn spawn_light(mut commands: Commands) {
+    commands.spawn((
+        Name::new("Light Source"),
+        PointLightBundle {
+            point_light: PointLight { ..default() },
+            transform: Transform::from_xyz(5., 10., 5.),
+            ..default()
+        },
+    ));
+}
+
 pub(super) fn setup(
     mut commands: Commands,
     mut meshes: ResMut<Assets<Mesh>>,
@@ -21,23 +55,7 @@ pub(super) fn setup(
 ) {
     let prism_material = materials.add(Color::WHITE);
 
-    let prisms = vec![
-        PrismParams {
-            positions: Vec3::new(-3., 0., 0.),
-            radius: 1.,
-            height: 2.,
-        },
-        PrismParams {
-            positions: Vec3::new(0., 0., 0.),
-            radius: 1.5,
-            height: 2.5,
-        },
-        PrismParams {
-            positions: Vec3::new(3., 0., 0.),
-            radius: 0.8,
-            height: 1.5,
-        },
-    ];
+    let prisms: Vec<PrismParams> = vec![Vec3::ZERO.into()];
 
     for params in prisms {
         let hexagon = RegularPolygon {
@@ -51,7 +69,7 @@ pub(super) fn setup(
             PbrBundle {
                 mesh: prism_mesh,
                 material: prism_material.clone(),
-                transform: Transform::from_translation(params.positions)
+                transform: Transform::from_translation(params.position)
                     .with_rotation(Quat::from_rotation_x(FRAC_PI_2)),
                 ..default()
             },