setup (draw a circle /m)

.cargo/config.toml

@@ -0,0 +1,22 @@
+# for Linux
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = [
+  "-C", "link-arg=-fuse-ld=lld",
+  # (Nightly) Make the current crate share its generic instantiations
+  "-Zshare-generics=y",
+  ]
+
+# for Windows
+[target.x86_64-pc-windows-msvc]
+linker = "rust-lld.exe"
+
+[unstable]
+codegen-backend = true
+
+[profile.dev]
+codegen-backend = "cranelift"
+
+[profile.dev.package."*"]
+codegen-backend = "llvm"
+

.envrc

@@ -0,0 +1 @@
+use flake --log-format multiline-with-logs

.gitignore

@@ -0,0 +1,9 @@
+/target
+/.direnv
+
+
+# Added by cargo
+#
+# already existing elements were commented out
+
+#/target

Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "mgd2-tram-championships"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+bevy = "0.16.0"
+env_logger = "0.11.8"
+log = "0.4.27"
+
+# Enable a small amount of optimization in the dev profile.
+[profile.dev]
+opt-level = 1
+
+# Enable a large amount of optimization in the dev profile for dependencies.
+[profile.dev.package."*"]
+opt-level = 3

flake.lock

@@ -0,0 +1,100 @@
+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1747204728,
+        "narHash": "sha256-7/Vo6GFBzCZt0kB1e9RdRCJkpkgKulNnzLv+7thOR7o=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "9318ae6e7c219ea317a67fd133bf82de07b4594e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1747060738,
+        "narHash": "sha256-ByfPRQuqj+nhtVV0koinEpmJw0KLzNbgcgi9EF+NVow=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "eaeed9530c76ce5f1d2d8232e08bec5e26f18ec1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1746889290,
+        "narHash": "sha256-h3LQYZgyv2l3U7r+mcsrEOGRldaK0zJFwAAva4hV/6g=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "2bafe9d96c6734aacfd49e115f6cf61e7adc68bc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,66 @@
+{
+  description = "Build a cargo project without extra checks";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      fenix,
+      flake-utils,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        rs-toolchain =
+          with fenix.packages.${system};
+          combine [
+            complete.toolchain
+          ];
+      in
+      {
+        devShells.default = pkgs.mkShell rec {
+          buildInputs = with pkgs; [
+            cargo-watch
+            pkg-config
+            rs-toolchain
+            udev
+            alsa-lib
+            glfw
+            freetype
+            vulkan-headers
+            vulkan-loader
+            vulkan-validation-layers
+            vulkan-tools # vulkaninfo
+            shaderc # GLSL to SPIRV compiler - glslc
+            renderdoc # Graphics debugger
+            tracy # Graphics profiler
+            vulkan-tools-lunarg
+            xorg.libX11
+            xorg.libXcursor
+            xorg.libXi
+            xorg.libXrandr # To use the x11 feature
+            libxkbcommon
+            wayland
+            clang
+            llvmPackages.bintools
+          ];
+
+          LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath buildInputs;
+        };
+      }
+    );
+}

rust-toolchain.toml

@@ -0,0 +1,3 @@
+[toolchain]
+channel = "nightly"
+

src/main.rs

@@ -0,0 +1,36 @@
+use bevy::prelude::*;
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_systems(Startup, yeet)
+        .run();
+}
+
+fn yeet(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    commands.spawn((
+        Mesh3d(meshes.add(Cuboid::new(1.0, 1.0, 1.0))),
+        MeshMaterial3d(materials.add(Color::srgb_u8(255, 255, 255))),
+        Transform::from_xyz(0.0, 0.5, 0.0),
+    ));
+    commands.spawn((
+        Mesh3d(meshes.add(Plane3d::new(Vec3::Y, vec2(4., 4.)))),
+        MeshMaterial3d(materials.add(Color::srgb_u8(255, 255, 255))),
+        Transform::from_xyz(0., 0., 0.),
+    ));
+    commands.spawn((
+        PointLight {
+            shadows_enabled: true,
+            ..default()
+        },
+        Transform::from_xyz(4.0, 8.0, 4.0),
+    ));
+    commands.spawn((
+        Camera3d::default(),
+        Transform::from_xyz(-4.5, 3.5, 4.5).looking_at(Vec3::ZERO, Vec3::Y),
+    ));
+}