Added GPS

Assets/Scripts/GPSManager.cs

@@ -0,0 +1,72 @@
+using System.Collections;
+using UnityEngine;
+
+public class GPSManager : MonoBehaviour
+{
+    [Header("GPS settings")]
+    public float Accuracy = 10f;
+    public float UpdateDistance = 5f;
+    public int MaxWait = 20;
+
+    [Header("GPS coordinates")]
+    private double[] LastCoords = new double[2];
+    private double[] FailsafeCoords = new double[] { 50.7727878, 15.0718625 };
+    private double? LastTime;
+
+    void Start()
+    {
+        
+    }
+
+    void Update()
+    {
+        StartCoroutine(UpdateGPS());
+    }
+
+    public double[] GetLastCoords()
+    {
+        if (LastCoords[0] == 0 && LastCoords[1] == 0) { return FailsafeCoords; }
+        return LastCoords;
+    }
+    IEnumerator UpdateGPS()
+    {
+        if (!Input.location.isEnabledByUser)
+        {
+            Debug.Log("GPS not enabled by user");
+            LastCoords = FailsafeCoords;
+            LastTime = null;
+            yield break;
+        }
+
+        Input.location.Start(Accuracy, UpdateDistance);
+
+        while (Input.location.status == LocationServiceStatus.Initializing && MaxWait > 0)
+        {
+            yield return new WaitForSeconds(1);
+            MaxWait--;
+        }
+
+        if (MaxWait < 1)
+        {
+            Debug.Log("GPS timed out");
+            LastCoords = FailsafeCoords;
+            LastTime = null;
+            yield break;
+        }
+        if (Input.location.status == LocationServiceStatus.Failed)
+        {
+            Debug.Log("GPS failed to determine device location");
+            LastCoords = FailsafeCoords;
+            LastTime = null;
+            yield break;
+        }
+        else
+        {
+            LastCoords[0] = Input.location.lastData.latitude;
+            LastCoords[1] = Input.location.lastData.longitude;
+            LastTime = Input.location.lastData.timestamp;
+
+            Debug.Log("GPS location: " + LastCoords[0] + ", " + LastCoords[1] + " (time: " + LastTime + ")");
+        }
+    }
+}

Assets/Scripts/MapRenderer.cs

@@ -15,6 +15,7 @@ public class MapRenderer : MonoBehaviour
     public float queryRadiusMeters = 200f; // radius around lat/lon to query
 
     [Header("Location (lat, lon)")]
+    public GPSManager gpsManager;
     private double latitude = 50.7727878;
     private double longitude = 15.0718625;
 
@@ -26,30 +27,31 @@ public class MapRenderer : MonoBehaviour
     [Header("Road settings")]
     public Material roadMaterial;
     public float defaultRoadWidth = 4.0f; // meters
+    public float motorwayWidth = 10.0f; 
+    public float primaryWidth = 8.0f; 
+    public float secondaryWidth = 6.0f; 
+    public float tertiaryWidth = 5.0f; 
+
 
     [Header("Misc")]
     public float metersPerUnit = 1f; // scale: 1 unit = 1 meter
-    public bool autoStart = true;
+
 
     [Header("Storage")]
     Dictionary<long, Vector2> nodes = new Dictionary<long, Vector2>(); // id -> latlon
     List<Way> parsedWays = new List<Way>();
 
     void Start()
-    {
-        if (autoStart) { StartCoroutine(RenderMap()); }
-    }
-
-    public void StartGenerating()
     {
         StartCoroutine(RenderMap());
     }
-
     IEnumerator RenderMap()
     {
         ClearChildren();
 
-        //TODO: GPS update
+        double[] GPS = gpsManager.GetLastCoords();
+        latitude = GPS[0];
+        longitude = GPS[1];
 
         string q = $"[out:xml][timeout:90];(way[\"building\"](around:{queryRadiusMeters.ToString().Replace(",", ".")},{latitude.ToString().Replace(",", ".")},{longitude.ToString().Replace(",", ".")});way[\"highway\"](around:{queryRadiusMeters.ToString().Replace(",", ".")},{latitude.ToString().Replace(",", ".")},{longitude.ToString().Replace(",", ".")}););(._;>;);out body;";
 
@@ -337,10 +339,10 @@ public class MapRenderer : MonoBehaviour
         {
             // simple heuristic
             string h = w.tags["highway"];
-            if (h == "motorway") width = 10f;
-            else if (h == "primary") width = 8f;
-            else if (h == "secondary") width = 6f;
-            else if (h == "tertiary") width = 5f;
+            if (h == "motorway") width = motorwayWidth;
+            else if (h == "primary") width = primaryWidth;
+            else if (h == "secondary") width = secondaryWidth;
+            else if (h == "tertiary") width = tertiaryWidth;
             else width = defaultRoadWidth;
         }