More failed testing.

Assets/Scripts/TerrainGeneration/TerrainGenerator.cs

@@ -38,6 +38,7 @@ public class TerrainGenThread
         this.ySamples = ySamples;
         data = new();
         data.size = new(512, 512, 512);
+        data.heightmapResolution = 513;
         terrainData = data;
     }