feat(walls): draw tile walls

src/lib.rs

@@ -91,7 +91,7 @@ fn spawn_camera(mut commands: Commands) {
     commands.spawn((
         Name::new("Camera"),
         Camera3dBundle {
-            transform: Transform::from_xyz(0., 100., 100.).looking_at(Vec3::ZERO, Vec3::Y),
+            transform: Transform::from_xyz(0., 300., 300.).looking_at(Vec3::ZERO, Vec3::Y),
             ..default()
         },
         // Render all UI to this camera.

src/maze/grid.rs

@@ -17,7 +17,7 @@ use hexx::{EdgeDirection, Hex};
 use rand::{prelude::SliceRandom, rngs::ThreadRng, thread_rng};
 
 use super::{
-    resource::{Layout, MazeConfig},
+    resource::{Layout, MazeConfig, HEX_SIZE},
     tile::{Tile, TileBundle, Walls},
 };
 
@@ -213,7 +213,7 @@ pub(super) fn render_maze(
         add_hex_tile(
             &mut commands,
             world_pos,
-            config.size,
+            HEX_SIZE,
             tile,
             walls,
             fill_color,

src/maze/plugin.rs

@@ -1,6 +1,5 @@
 use bevy::{
     ecs::{system::RunSystemOnce, world::Command},
-    pbr::wireframe::WireframePlugin,
     prelude::*,
 };
 
@@ -13,10 +12,10 @@ impl Plugin for MazePlugin {
     fn build(&self, app: &mut App) {
         app.add_plugins(prism::plugin);
         app.add_plugins(grid::plugin);
-        app.insert_resource(AmbientLight {
-            brightness: f32::MAX,
-            color: Color::WHITE,
-        });
+        // app.insert_resource(AmbientLight {
+        //     brightness: f32::MAX,
+        //     color: Color::WHITE,
+        // });
     }
 }
 

src/maze/prism.rs

@@ -1,12 +1,15 @@
-use bevy::{pbr::wireframe::Wireframe, prelude::*};
-use std::f32::consts::FRAC_PI_2;
+use bevy::{pbr::UvChannel, prelude::*};
+use core::f32;
+use hexx::{EdgeDirection, GridEdge, Hex};
+use std::f32::consts::{FRAC_PI_2, FRAC_PI_3, FRAC_PI_6};
 
 use super::{
-    resource::{Layout, MazeConfig},
+    resource::{Layout, MazeConfig, HEX_SIZE},
     tile::Tile,
 };
 
 pub(super) fn plugin(_app: &mut App) {}
+const WALL_SIZE: f32 = 1.0;
 
 pub(super) fn setup(
     mut commands: Commands,
@@ -17,11 +20,8 @@ pub(super) fn setup(
 ) {
     let radius = config.radius as i32;
 
-    let rotation = Quat::from_rotation_x(-FRAC_PI_2);
-    let material = materials.add(Color::WHITE);
-    let prism_mesh = generate_hex_prism_mesh(layout.hex_size.x, config.height);
-    let mesh = meshes.add(prism_mesh);
-
+    let assets = create_base_assets(&mut meshes, &mut materials, &config);
+    // spawn_single_hex_tile(&mut commands, &assets, &config);
     commands
         .spawn((
             Name::new("Floor"),
@@ -30,33 +30,118 @@ pub(super) fn setup(
                 ..default()
             },
         ))
-        .with_children(|p| {
+        .with_children(|mut parent| {
             for q in -radius..=radius {
                 let r1 = (-radius).max(-q - radius);
                 let r2 = radius.min(-q + radius);
                 for r in r1..=r2 {
                     let tile = Tile::new(q, r);
-                    let pos = tile.to_vec3(&layout);
-                    p.spawn((
-                        Name::new(format!("Hex {}", &tile.to_string())),
-                        PbrBundle {
-                            mesh: mesh.clone(),
-                            material: material.clone(),
-                            transform: Transform::from_translation(pos).with_rotation(rotation),
-                            ..default()
-                        },
-                    ));
+                    spawn_single_hex_tile(&mut parent, &tile, &layout, &assets, &config);
                 }
             }
         });
 }
 
-fn generate_hex_prism_mesh(radius: f32, depth: f32) -> Mesh {
+fn spawn_single_hex_tile(
+    parent: &mut ChildBuilder,
+    tile: &Tile,
+    layout: &Res<Layout>,
+    assets: &MazeAssets,
+    config: &Res<MazeConfig>,
+) {
+    let pos = tile.to_vec3(&layout);
+    parent
+        .spawn((
+            Name::new(format!("Hex {}", &tile.to_string())),
+            PbrBundle {
+                mesh: assets.hex_mesh.clone(),
+                material: assets.hex_material.clone(),
+                transform: Transform::from_translation(pos),
+                ..default()
+            },
+        ))
+        .with_children(|parent| spawn_walls(parent, assets, config));
+}
+
+fn spawn_walls(parent: &mut ChildBuilder, asstets: &MazeAssets, config: &Res<MazeConfig>) {
+    let y_offset = config.height / 2.;
+    let z_rotation = Quat::from_rotation_z(-FRAC_PI_2);
+
+    for i in 0..6 {
+        let wall_angle = FRAC_PI_3 * i as f32;
+
+        let x_offset = (HEX_SIZE - WALL_SIZE) * f32::cos(wall_angle);
+        let z_offset = (HEX_SIZE - WALL_SIZE) * f32::sin(wall_angle);
+        let pos = Vec3::new(x_offset, y_offset, z_offset);
+
+        let x_rotation = Quat::from_rotation_x(wall_angle + FRAC_PI_2);
+        let final_rotation = z_rotation * x_rotation;
+
+        spawn_single_wall(parent, asstets, final_rotation, pos);
+    }
+}
+
+fn spawn_single_wall(
+    parent: &mut ChildBuilder,
+    asstets: &MazeAssets,
+    rotation: Quat,
+    offset: Vec3,
+) {
+    parent.spawn((
+        Name::new("Wall"),
+        PbrBundle {
+            mesh: asstets.wall_mesh.clone(),
+            material: asstets.wall_material.clone(),
+            transform: Transform::from_translation(offset).with_rotation(rotation),
+            ..default()
+        },
+    ));
+}
+
+fn create_base_assets(
+    meshes: &mut ResMut<Assets<Mesh>>,
+    materials: &mut ResMut<Assets<StandardMaterial>>,
+    config: &Res<MazeConfig>,
+) -> MazeAssets {
+    MazeAssets {
+        hex_mesh: meshes.add(generate_hex_mesh(HEX_SIZE, config.height)),
+        wall_mesh: meshes.add(generate_square_mesh(HEX_SIZE)),
+        hex_material: materials.add(white_material()),
+        wall_material: materials.add(Color::BLACK),
+    }
+}
+
+fn generate_hex_mesh(radius: f32, depth: f32) -> Mesh {
     let hexagon = RegularPolygon {
         sides: 6,
         circumcircle: Circle::new(radius),
     };
     let prism_shape = Extrusion::new(hexagon, depth);
+    let rotation = Quat::from_rotation_x(FRAC_PI_2);
 
-    Mesh::from(prism_shape)
+    Mesh::from(prism_shape).rotated_by(rotation)
+}
+
+fn generate_square_mesh(depth: f32) -> Mesh {
+    let square = Rectangle::new(WALL_SIZE, WALL_SIZE);
+    let rectangular_prism = Extrusion::new(square, depth);
+    let rotation = Quat::from_rotation_x(FRAC_PI_2);
+
+    Mesh::from(rectangular_prism).rotated_by(rotation)
+}
+
+fn white_material() -> StandardMaterial {
+    let val = 10.;
+    StandardMaterial {
+        base_color: Color::WHITE,
+        emissive: LinearRgba::new(val, val, val, val),
+        ..default()
+    }
+}
+
+struct MazeAssets {
+    hex_mesh: Handle<Mesh>,
+    wall_mesh: Handle<Mesh>,
+    hex_material: Handle<StandardMaterial>,
+    wall_material: Handle<StandardMaterial>,
 }

src/maze/resource.rs

@@ -2,11 +2,12 @@ use bevy::prelude::*;
 use hexx::{Hex, HexLayout, HexOrientation};
 use rand::{thread_rng, Rng};
 
+pub(crate) const HEX_SIZE: f32 = 6.;
+
 #[derive(Debug, Reflect, Resource)]
 #[reflect(Resource)]
 pub struct MazeConfig {
     pub radius: u32,
-    pub size: f32,
     pub height: f32,
     pub start_pos: Hex,
     pub end_pos: Hex,
@@ -28,8 +29,7 @@ impl Default for MazeConfig {
         debug!("End pos: ({},{})", end_pos.x, end_pos.y);
         Self {
             radius: radius as u32,
-            size: 1.,
-            height: 15.,
+            height: 20.,
             start_pos,
             end_pos,
         }
@@ -41,14 +41,10 @@ impl Default for MazeConfig {
 pub struct Layout(pub HexLayout);
 
 impl FromWorld for Layout {
-    fn from_world(world: &mut World) -> Self {
-        let size = world
-            .get_resource::<MazeConfig>()
-            .unwrap_or(&MazeConfig::default())
-            .size;
+    fn from_world(_world: &mut World) -> Self {
         Self(HexLayout {
             orientation: HexOrientation::Pointy,
-            hex_size: Vec2::splat(size),
+            hex_size: Vec2::splat(HEX_SIZE),
             ..default()
         })
     }