diff --git a/scenes/World.cs b/scenes/World.cs
index c4cb26a..6d93daf 100644
--- a/scenes/World.cs
+++ b/scenes/World.cs
@@ -30,11 +30,12 @@ public class World : Spatial
     // other members
     private Vector2 _centerPlaneCoord;
 
-    private readonly Image _heightmapImage = new();
-    private ImageTexture _heightmapTexture;
     private readonly List<Vector2> _removedChunkIndices = new();
     private TileInstanceManager _tileInstanceManager;
 
+    private readonly Image _heightmapImage = new();
+    private ImageTexture _heightmapTexture;
+    
     private readonly Image _tileTypeMapImage = new();
     private ImageTexture _viewTileTypeTexture;
 
@@ -45,7 +46,7 @@ public class World : Spatial
     public Color DebugColor;
     public HexGrid HexGrid = new();
 
-    private OpenSimplexNoise noiseGenerator = new();
+    private OpenSimplexNoise _noiseGenerator = new();
     public int Seed = 0;
 
     public GenerationState State = GenerationState.Done;
@@ -73,13 +74,13 @@ public class World : Spatial
 
     public void InitNoiseGenerator()
     {
-        noiseGenerator = new OpenSimplexNoise();
+        _noiseGenerator = new OpenSimplexNoise();
 
-        noiseGenerator.Seed = Seed;
-        noiseGenerator.Octaves = 1;
-        noiseGenerator.Period = 10;
-        noiseGenerator.Persistence = 0.5f;
-        noiseGenerator.Lacunarity = 2;
+        _noiseGenerator.Seed = Seed;
+        _noiseGenerator.Octaves = 1;
+        _noiseGenerator.Period = 10;
+        _noiseGenerator.Persistence = 0.5f;
+        _noiseGenerator.Lacunarity = 2;
     }
 
     public WorldChunk GetOrCreateWorldChunk(int xIndex, int yIndex, Color debugColor)
@@ -193,7 +194,7 @@ public class World : Spatial
             Mathf.RoundToInt(Mathf.Abs(chunkIndex.x + chunkIndex.y)) % 2);
 
         var noiseImageTexture = new ImageTexture();
-        noiseImageTexture.CreateFromImage(noiseGenerator.GetImage(ChunkSize, ChunkSize, chunkIndex * ChunkSize),
+        noiseImageTexture.CreateFromImage(_noiseGenerator.GetImage(ChunkSize, ChunkSize, chunkIndex * ChunkSize),
             0);
 
         // Debug Texture
@@ -286,18 +287,19 @@ public class World : Spatial
 
     public override void _Process(float delta)
     {
-        if (State == GenerationState.Heightmap)
-        {
-            // generate heightmap for all new chunks
-            foreach (var chunkIndex in _addedChunkIndices)
-            {
-            }
-
-            State = GenerationState.Heightmap;
-        }
-
         var oldState = State;
 
+        UpdateGenerationState();
+
+        if (oldState != GenerationState.Done && State == GenerationState.Done)
+        {
+            UpdateWorldViewTexture();
+            EmitSignal("OnTilesChanged", _removedChunkIndices.ToArray(), _addedChunkIndices.ToArray());
+        }
+    }
+
+    private void UpdateGenerationState()
+    {
         if (State == GenerationState.Heightmap)
         {
             var numChunksGeneratingHeightmap = 0;
@@ -310,39 +312,34 @@ public class World : Spatial
             if (numChunksGeneratingHeightmap == 0)
             {
                 // assign height map images
-                State = GenerationState.TileType;
-
                 foreach (var chunkIndex in _addedChunkIndices)
                 {
                     var chunk = _cachedWorldChunks[chunkIndex];
                     chunk.SetHeightmap(chunk.HeightmapOffscreenViewport.GetTexture());
                 }
+
+                State = GenerationState.TileType;
             }
         }
         else if (State == GenerationState.TileType)
         {
-            // assign tile type images
-            // generate heightmap for all new chunks
+            var numChunksGeneratingTileType = 0;
             foreach (var chunkIndex in _addedChunkIndices)
             {
                 var chunk = _cachedWorldChunks[chunkIndex];
-                chunk.SetHeightmap(chunk.HeightmapOffscreenViewport.GetTexture());
+                if (chunk.TileTypeMapFrameCount > 0) numChunksGeneratingTileType++;
             }
 
-            State = GenerationState.Objects;
+            if (numChunksGeneratingTileType == 0)
+            {
+                State = GenerationState.Objects;
+            }
         }
         else if (State == GenerationState.Objects)
         {
             // generate objects
-
             State = GenerationState.Done;
         }
-
-        if (oldState != GenerationState.Done && State == GenerationState.Done)
-        {
-            UpdateWorldViewTexture();
-            EmitSignal("OnTilesChanged", _removedChunkIndices.ToArray(), _addedChunkIndices.ToArray());
-        }
     }
 
     // ui elements