diff --git a/.clangd b/.clangd
new file mode 100644
index 0000000..e95990a
--- /dev/null
+++ b/.clangd
@@ -0,0 +1,2 @@
+CompileFlags:
+  CompilationDatabase: build/
diff --git a/.gitignore b/.gitignore
index b2b6af9..11a0a23 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,3 +39,5 @@
 
 /.vscode/*
 /.vs/
+
+/.cache/
diff --git a/.zed/debug.json b/.zed/debug.json
new file mode 100644
index 0000000..57db039
--- /dev/null
+++ b/.zed/debug.json
@@ -0,0 +1,18 @@
+// Project-local debug tasks
+//
+// For more documentation on how to configure debug tasks,
+// see: https://zed.dev/docs/debugger
+[
+  {
+    "label": "Debug native binary",
+    "build": {
+      "command": "make build-debug",
+      // "args": ["-j8"],
+      "cwd": "$ZED_WORKTREE_ROOT",
+    },
+    "program": "$ZED_WORKTREE_ROOT/build-debug/glowbox",
+    "cwd": "$ZED_WORKTREE_ROOT/build-debug",
+    "request": "launch",
+    "adapter": "CodeLLDB",
+  },
+]
diff --git a/flake.lock b/flake.lock
index 6959933..6013ccd 100644
--- a/flake.lock
+++ b/flake.lock
@@ -4,13 +4,13 @@
       "locked": {
         "lastModified": 1768886240,
         "narHash": "sha256-C2TjvwYZ2VDxYWeqvvJ5XPPp6U7H66zeJlRaErJKoEM=",
-        "owner": "nixos",
+        "owner": "NixOS",
         "repo": "nixpkgs",
         "rev": "80e4adbcf8992d3fd27ad4964fbb84907f9478b0",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
+        "owner": "NixOS",
         "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
diff --git a/flake.nix b/flake.nix
index 6c945a3..c04feac 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,35 +1,41 @@
 {
-  description = "assignment 1 of graphics and visualizations";
-
-  inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
-  };
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
   outputs =
     { self, nixpkgs }:
     let
-      system = "x86_64-linux";
-      pkgs = import nixpkgs { inherit system; };
+      pkgs = nixpkgs.legacyPackages.x86_64-linux;
+      runtimeLibs = with pkgs; [
+        libGL
+        libx11
+        xorg.libXcursor
+        xorg.libXi
+        xorg.libXrandr
+        xorg.libXinerama
+      ];
     in
     {
-      devShells.${system}.default = pkgs.mkShell {
-        buildInputs = with pkgs; [
-          python3
+      devShells.x86_64-linux.default = pkgs.mkShell {
+        nativeBuildInputs = with pkgs; [
           cmake
-          git
-          libgcc
-          # x11 shenanigans
           libx11.dev
           libxcb.dev
           xorg.libXrandr.dev
           xorg.libXi.dev
           xorg.libXcursor.dev
           xorg.libXinerama.dev
+          python3
           openal
+          flac.dev
           libvorbis.dev
           libogg.dev
-          flac.dev
+          xwayland-satellite
+          gdb
         ];
+
+        shellHook = ''
+          export LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath runtimeLibs}:$LD_LIBRARY_PATH"
+        '';
       };
     };
 }
diff --git a/src/main.cpp b/src/main.cpp
index 0cbc3ff..24757dc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -24,6 +24,9 @@ GLFWwindow* initialise()
     if (!glfwInit())
     {
         fprintf(stderr, "Could not start GLFW\n");
+        const char* desc;
+        int code = glfwGetError(&desc);
+        fprintf(stderr, "GLFW error %d: %s\n", code, desc);
         exit(EXIT_FAILURE);
     }