variable naming

.cargo/config.toml

@@ -2,4 +2,7 @@
 rustflags = [
   # (Nightly) Make the current crate share its generic instantiations
   "-Zshare-generics=y",
+  "-C",
+  "link-arg=-fuse-ld=mold",
 ]
+linker = "clang"

shell.nix

@@ -5,6 +5,8 @@ with pkgs;
 mkShell rec {
   nativeBuildInputs = [
     pkg-config
+    mold
+    clang
   ];
   buildInputs = [
     udev

src/main.rs

@@ -1,6 +1,8 @@
 use bevy::{
+    color::palettes::tailwind,
     prelude::*,
     sprite::{MaterialMesh2dBundle, Mesh2dHandle},
+    winit::WinitSettings,
 };
 
 // In a vacuum this is just 2, 2 dimenionsal arrays, but I think
@@ -55,6 +57,7 @@ use bevy::{
 
 fn main() {
     App::new()
+        .insert_resource(WinitSettings::desktop_app())
         .add_plugins(DefaultPlugins)
         .add_systems(Startup, setup)
         .run();
@@ -67,13 +70,27 @@ fn setup(
 ) {
     commands.spawn(Camera2dBundle::default());
 
-    let circle_mesh = Mesh2dHandle(meshes.add(Circle { radius: 50. }));
-    let color = Color::hsl(75., 0.95, 0.7);
+    const TILES: i32 = 9;
+    const TILE_SIZE: f32 = 50.;
+    const GAP_SIZE: f32 = 10.;
+    const OFFSET: f32 = (TILE_SIZE + GAP_SIZE) / 2.;
+    const TOTAL_WIDTH: f32 = (TILE_SIZE + GAP_SIZE) * TILES as f32;
+    const TILE_SPACE: f32 = TOTAL_WIDTH / TILES as f32;
+    const CENTER: f32 = TOTAL_WIDTH / 2.;
 
+    let tile_mesh = Mesh2dHandle(meshes.add(Rectangle::new(TILE_SIZE, TILE_SIZE)));
+    let tile_color = Color::from(tailwind::NEUTRAL_700);
+
+    for i in 0..TILES {
+        for j in 0..TILES {
+            let tile_x = i as f32 * TILE_SPACE - CENTER + OFFSET;
+            let tile_y = j as f32 * TILE_SPACE - CENTER + OFFSET;
             commands.spawn(MaterialMesh2dBundle {
-        mesh: circle_mesh,
-        material: materials.add(color),
-        transform: Transform::from_xyz(0., 0., 0.),
+                mesh: tile_mesh.clone(),
+                material: materials.add(tile_color),
+                transform: Transform::from_xyz(tile_x, tile_y, 0.),
                 ..default()
             });
         }
+    }
+}