crosshair wip

Assets/Src/UI/MenuUI.cs

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+using UnityEngine;
+using UnityEngine.UIElements;
+using UnityEngine.SceneManagement;
+
+using System.IO;
+
+public class MenuUI : MonoBehaviour {
+    UIDocument uiDocument;
+    VisualElement tracks;
+
+    Button exit;
+
+    void OnEnable() {
+        uiDocument = GetComponent<UIDocument>();
+    }
+
+    public void AddTracks() {
+        SetupExit();
+
+        tracks = uiDocument.rootVisualElement.Q<VisualElement>("tracks");
+        tracks.Clear();
+
+        for (int i = 0; i < SceneManager.sceneCountInBuildSettings; ++i) {
+            int j = i; // top kek
+            Scene scene = SceneManager.GetSceneByBuildIndex(i);
+            string scenePath = SceneUtility.GetScenePathByBuildIndex(i);
+            string sceneName = Path.GetFileNameWithoutExtension(scenePath);
+            Button button = new Button { text = sceneName };
+            button.clicked += () => LoadScene(j);
+            tracks.Add(button);
+        }
+    }
+
+    void LoadScene(int i) {
+        Debug.Log($"Loading scene {i}");
+        SceneManager.LoadScene(i);
+    }
+
+    void SetupExit() {
+        exit = uiDocument.rootVisualElement.Q<Button>("exit");
+        exit.clicked += Exit;
+    }
+
+    void Exit() {
+        Debug.Log("Quitting");
+        Application.Quit();
+    }
+
+}