diff --git a/Shared/World.cs b/Shared/World.cs
index 4af9082..eb29f76 100644
--- a/Shared/World.cs
+++ b/Shared/World.cs
@@ -82,12 +82,10 @@ namespace SemiColinGames {
   class World {
 
     public const int TileSize = 16;
-    readonly int width;
-    readonly int height;
     readonly List<Tile> tiles = new List<Tile>();
 
-    public int Width { get; }
-    public int Height { get; }
+    public int Width { get; private set; }
+    public int Height { get; private set; }
 
     readonly string worldString = @"
                                                                                                                                                                                                                   
@@ -109,11 +107,11 @@ namespace SemiColinGames {
 
     public World(Texture2D texture) {
       string[] worldDesc = worldString.Split('\n');
-      width = worldDesc.AsQueryable().Max(a => a.Length);
-      height = worldDesc.Length;
-      Debug.WriteLine("world size: {0}x{1}", width, height);
-      for (int j = 0; j < height; j++) {
-        for (int i = 0; i < width; i++) {
+      Width = worldDesc.AsQueryable().Max(a => a.Length);
+      Height = worldDesc.Length;
+      Debug.WriteLine("world size: {0}x{1}", Width, Height);
+      for (int j = 0; j < Height; j++) {
+        for (int i = 0; i < Width; i++) {
           Terrain terrain = Terrain.Empty;
           if (i < worldDesc[j].Length) {
             switch (worldDesc[j][i]) {
@@ -141,7 +139,6 @@ namespace SemiColinGames {
               case 'X':
                 terrain = Terrain.Block;
                 break;
-              case ' ':
               default:
                 terrain = Terrain.Empty;
                 break;