diff --git a/assets/scifi_tilesheet@2.png b/assets/scifi_tilesheet@2.png
index 4fcc627..c1073a4 100644
Binary files a/assets/scifi_tilesheet@2.png and b/assets/scifi_tilesheet@2.png differ
diff --git a/data/scifi_tileset.tres b/data/scifi_tileset.tres
index 375dfbc..575130c 100644
--- a/data/scifi_tileset.tres
+++ b/data/scifi_tileset.tres
@@ -25,24 +25,6 @@ texture_region_size = Vector2i(128, 128)
 15:0/0 = 0
 16:0/0 = 0
 17:0/0 = 0
-18:0/0 = 0
-19:0/0 = 0
-20:0/0 = 0
-21:0/0 = 0
-22:0/0 = 0
-23:0/0 = 0
-24:0/0 = 0
-25:0/0 = 0
-26:0/0 = 0
-27:0/0 = 0
-28:0/0 = 0
-29:0/0 = 0
-30:0/0 = 0
-31:0/0 = 0
-32:0/0 = 0
-33:0/0 = 0
-34:0/0 = 0
-35:0/0 = 0
 0:1/0 = 0
 1:1/0 = 0
 2:1/0 = 0
@@ -61,24 +43,6 @@ texture_region_size = Vector2i(128, 128)
 15:1/0 = 0
 16:1/0 = 0
 17:1/0 = 0
-18:1/0 = 0
-19:1/0 = 0
-20:1/0 = 0
-21:1/0 = 0
-22:1/0 = 0
-23:1/0 = 0
-24:1/0 = 0
-25:1/0 = 0
-26:1/0 = 0
-27:1/0 = 0
-28:1/0 = 0
-29:1/0 = 0
-30:1/0 = 0
-31:1/0 = 0
-32:1/0 = 0
-33:1/0 = 0
-34:1/0 = 0
-35:1/0 = 0
 0:2/0 = 0
 1:2/0 = 0
 2:2/0 = 0
@@ -97,24 +61,6 @@ texture_region_size = Vector2i(128, 128)
 15:2/0 = 0
 16:2/0 = 0
 17:2/0 = 0
-18:2/0 = 0
-19:2/0 = 0
-20:2/0 = 0
-21:2/0 = 0
-22:2/0 = 0
-23:2/0 = 0
-24:2/0 = 0
-25:2/0 = 0
-26:2/0 = 0
-27:2/0 = 0
-28:2/0 = 0
-29:2/0 = 0
-30:2/0 = 0
-31:2/0 = 0
-32:2/0 = 0
-33:2/0 = 0
-34:2/0 = 0
-35:2/0 = 0
 0:3/0 = 0
 1:3/0 = 0
 2:3/0 = 0
@@ -133,24 +79,6 @@ texture_region_size = Vector2i(128, 128)
 15:3/0 = 0
 16:3/0 = 0
 17:3/0 = 0
-18:3/0 = 0
-19:3/0 = 0
-20:3/0 = 0
-21:3/0 = 0
-22:3/0 = 0
-23:3/0 = 0
-24:3/0 = 0
-25:3/0 = 0
-26:3/0 = 0
-27:3/0 = 0
-28:3/0 = 0
-29:3/0 = 0
-30:3/0 = 0
-31:3/0 = 0
-32:3/0 = 0
-33:3/0 = 0
-34:3/0 = 0
-35:3/0 = 0
 0:4/0 = 0
 1:4/0 = 0
 2:4/0 = 0
@@ -169,24 +97,6 @@ texture_region_size = Vector2i(128, 128)
 15:4/0 = 0
 16:4/0 = 0
 17:4/0 = 0
-18:4/0 = 0
-19:4/0 = 0
-20:4/0 = 0
-21:4/0 = 0
-22:4/0 = 0
-23:4/0 = 0
-24:4/0 = 0
-25:4/0 = 0
-26:4/0 = 0
-27:4/0 = 0
-28:4/0 = 0
-29:4/0 = 0
-30:4/0 = 0
-31:4/0 = 0
-32:4/0 = 0
-33:4/0 = 0
-34:4/0 = 0
-35:4/0 = 0
 0:5/0 = 0
 1:5/0 = 0
 2:5/0 = 0
@@ -205,24 +115,6 @@ texture_region_size = Vector2i(128, 128)
 15:5/0 = 0
 16:5/0 = 0
 17:5/0 = 0
-18:5/0 = 0
-19:5/0 = 0
-20:5/0 = 0
-21:5/0 = 0
-22:5/0 = 0
-23:5/0 = 0
-24:5/0 = 0
-25:5/0 = 0
-26:5/0 = 0
-27:5/0 = 0
-28:5/0 = 0
-29:5/0 = 0
-30:5/0 = 0
-31:5/0 = 0
-32:5/0 = 0
-33:5/0 = 0
-34:5/0 = 0
-35:5/0 = 0
 0:6/0 = 0
 1:6/0 = 0
 2:6/0 = 0
@@ -239,35 +131,50 @@ texture_region_size = Vector2i(128, 128)
 15:6/0 = 0
 16:6/0 = 0
 17:6/0 = 0
-18:6/0 = 0
-19:6/0 = 0
-20:6/0 = 0
-21:6/0 = 0
-22:6/0 = 0
-23:6/0 = 0
-24:6/0 = 0
-25:6/0 = 0
-26:6/0 = 0
-27:6/0 = 0
-28:6/0 = 0
-29:6/0 = 0
-30:6/0 = 0
-31:6/0 = 0
-32:6/0 = 0
-33:6/0 = 0
-34:6/0 = 0
-35:6/0 = 0
 0:7/0 = 0
-1:7/0 = 0
-2:7/0 = 0
-3:7/0 = 0
 4:7/0 = 0
+4:7/0/terrain_set = 0
+4:7/0/terrain = 0
+4:7/0/terrains_peering_bit/bottom_side = 0
 5:7/0 = 0
+5:7/0/terrain_set = 0
+5:7/0/terrain = 0
+5:7/0/terrains_peering_bit/right_side = 0
+5:7/0/terrains_peering_bit/bottom_right_corner = 0
+5:7/0/terrains_peering_bit/bottom_side = 0
 6:7/0 = 0
+6:7/0/terrain_set = 0
+6:7/0/terrain = 0
+6:7/0/terrains_peering_bit/right_side = 0
+6:7/0/terrains_peering_bit/bottom_right_corner = 0
+6:7/0/terrains_peering_bit/bottom_side = 0
+6:7/0/terrains_peering_bit/bottom_left_corner = 0
+6:7/0/terrains_peering_bit/left_side = 0
 7:7/0 = 0
-8:7/0 = 0
+7:7/0/terrain_set = 0
+7:7/0/terrain = 0
+7:7/0/terrains_peering_bit/bottom_side = 0
+7:7/0/terrains_peering_bit/bottom_left_corner = 0
+7:7/0/terrains_peering_bit/left_side = 0
 9:7/0 = 0
+9:7/0/terrain_set = 0
+9:7/0/terrain = 0
+9:7/0/terrains_peering_bit/right_side = 0
+9:7/0/terrains_peering_bit/bottom_side = 0
+9:7/0/terrains_peering_bit/left_side = 0
+9:7/0/terrains_peering_bit/top_left_corner = 0
+9:7/0/terrains_peering_bit/top_side = 0
+9:7/0/terrains_peering_bit/top_right_corner = 0
 10:7/0 = 0
+10:7/0/terrain_set = 0
+10:7/0/terrain = 0
+10:7/0/terrains_peering_bit/right_side = 0
+10:7/0/terrains_peering_bit/bottom_right_corner = 0
+10:7/0/terrains_peering_bit/bottom_side = 0
+10:7/0/terrains_peering_bit/left_side = 0
+10:7/0/terrains_peering_bit/top_left_corner = 0
+10:7/0/terrains_peering_bit/top_side = 0
+10:7/0/terrains_peering_bit/top_right_corner = 0
 11:7/0 = 0
 12:7/0 = 0
 13:7/0 = 0
@@ -275,35 +182,67 @@ texture_region_size = Vector2i(128, 128)
 15:7/0 = 0
 16:7/0 = 0
 17:7/0 = 0
-18:7/0 = 0
-19:7/0 = 0
-20:7/0 = 0
-21:7/0 = 0
-22:7/0 = 0
-23:7/0 = 0
-24:7/0 = 0
-25:7/0 = 0
-26:7/0 = 0
-27:7/0 = 0
-28:7/0 = 0
-29:7/0 = 0
-30:7/0 = 0
-31:7/0 = 0
-32:7/0 = 0
-33:7/0 = 0
-34:7/0 = 0
-35:7/0 = 0
 0:8/0 = 0
 1:8/0 = 0
 2:8/0 = 0
 3:8/0 = 0
 4:8/0 = 0
+4:8/0/terrain_set = 0
+4:8/0/terrain = 0
+4:8/0/terrains_peering_bit/bottom_side = 0
+4:8/0/terrains_peering_bit/top_side = 0
 5:8/0 = 0
+5:8/0/terrain_set = 0
+5:8/0/terrain = 0
+5:8/0/terrains_peering_bit/right_side = 0
+5:8/0/terrains_peering_bit/bottom_right_corner = 0
+5:8/0/terrains_peering_bit/bottom_side = 0
+5:8/0/terrains_peering_bit/top_side = 0
+5:8/0/terrains_peering_bit/top_right_corner = 0
 6:8/0 = 0
+6:8/0/terrain_set = 0
+6:8/0/terrain = 0
+6:8/0/terrains_peering_bit/right_side = 0
+6:8/0/terrains_peering_bit/bottom_right_corner = 0
+6:8/0/terrains_peering_bit/bottom_side = 0
+6:8/0/terrains_peering_bit/bottom_left_corner = 0
+6:8/0/terrains_peering_bit/left_side = 0
+6:8/0/terrains_peering_bit/top_left_corner = 0
+6:8/0/terrains_peering_bit/top_side = 0
+6:8/0/terrains_peering_bit/top_right_corner = 0
 7:8/0 = 0
+7:8/0/terrain_set = 0
+7:8/0/terrain = 0
+7:8/0/terrains_peering_bit/bottom_side = 0
+7:8/0/terrains_peering_bit/bottom_left_corner = 0
+7:8/0/terrains_peering_bit/left_side = 0
+7:8/0/terrains_peering_bit/top_left_corner = 0
+7:8/0/terrains_peering_bit/top_side = 0
 8:8/0 = 0
+8:8/0/terrain_set = 0
+8:8/0/terrain = 0
+8:8/0/terrains_peering_bit/right_side = 0
+8:8/0/terrains_peering_bit/bottom_side = 0
+8:8/0/terrains_peering_bit/bottom_left_corner = 0
+8:8/0/terrains_peering_bit/left_side = 0
+8:8/0/terrains_peering_bit/top_left_corner = 0
+8:8/0/terrains_peering_bit/top_side = 0
 9:8/0 = 0
+9:8/0/terrain_set = 0
+9:8/0/terrain = 0
+9:8/0/terrains_peering_bit/right_side = 0
+9:8/0/terrains_peering_bit/bottom_side = 0
+9:8/0/terrains_peering_bit/left_side = 0
+9:8/0/terrains_peering_bit/top_side = 0
 10:8/0 = 0
+10:8/0/terrain_set = 0
+10:8/0/terrain = 0
+10:8/0/terrains_peering_bit/right_side = 0
+10:8/0/terrains_peering_bit/bottom_right_corner = 0
+10:8/0/terrains_peering_bit/bottom_side = 0
+10:8/0/terrains_peering_bit/left_side = 0
+10:8/0/terrains_peering_bit/top_side = 0
+10:8/0/terrains_peering_bit/top_right_corner = 0
 11:8/0 = 0
 12:8/0 = 0
 13:8/0 = 0
@@ -311,35 +250,63 @@ texture_region_size = Vector2i(128, 128)
 15:8/0 = 0
 16:8/0 = 0
 17:8/0 = 0
-18:8/0 = 0
-19:8/0 = 0
-20:8/0 = 0
-21:8/0 = 0
-22:8/0 = 0
-23:8/0 = 0
-24:8/0 = 0
-25:8/0 = 0
-26:8/0 = 0
-27:8/0 = 0
-28:8/0 = 0
-29:8/0 = 0
-30:8/0 = 0
-31:8/0 = 0
-32:8/0 = 0
-33:8/0 = 0
-34:8/0 = 0
-35:8/0 = 0
 0:9/0 = 0
 1:9/0 = 0
 2:9/0 = 0
 3:9/0 = 0
 4:9/0 = 0
+4:9/0/terrain_set = 0
+4:9/0/terrain = 0
+4:9/0/terrains_peering_bit/top_side = 0
 5:9/0 = 0
+5:9/0/terrain_set = 0
+5:9/0/terrain = 0
+5:9/0/terrains_peering_bit/right_side = 0
+5:9/0/terrains_peering_bit/top_side = 0
+5:9/0/terrains_peering_bit/top_right_corner = 0
 6:9/0 = 0
+6:9/0/terrain_set = 0
+6:9/0/terrain = 0
+6:9/0/terrains_peering_bit/right_side = 0
+6:9/0/terrains_peering_bit/left_side = 0
+6:9/0/terrains_peering_bit/top_left_corner = 0
+6:9/0/terrains_peering_bit/top_side = 0
+6:9/0/terrains_peering_bit/top_right_corner = 0
 7:9/0 = 0
+7:9/0/terrain_set = 0
+7:9/0/terrain = 0
+7:9/0/terrains_peering_bit/left_side = 0
+7:9/0/terrains_peering_bit/top_left_corner = 0
+7:9/0/terrains_peering_bit/top_side = 0
 8:9/0 = 0
+8:9/0/terrain_set = 0
+8:9/0/terrain = 0
+8:9/0/terrains_peering_bit/right_side = 0
+8:9/0/terrains_peering_bit/bottom_right_corner = 0
+8:9/0/terrains_peering_bit/bottom_side = 0
+8:9/0/terrains_peering_bit/bottom_left_corner = 0
+8:9/0/terrains_peering_bit/left_side = 0
+8:9/0/terrains_peering_bit/top_left_corner = 0
+8:9/0/terrains_peering_bit/top_side = 0
 9:9/0 = 0
+9:9/0/terrain_set = 0
+9:9/0/terrain = 0
+9:9/0/terrains_peering_bit/right_side = 0
+9:9/0/terrains_peering_bit/bottom_right_corner = 0
+9:9/0/terrains_peering_bit/bottom_side = 0
+9:9/0/terrains_peering_bit/bottom_left_corner = 0
+9:9/0/terrains_peering_bit/left_side = 0
+9:9/0/terrains_peering_bit/top_side = 0
 10:9/0 = 0
+10:9/0/terrain_set = 0
+10:9/0/terrain = 0
+10:9/0/terrains_peering_bit/right_side = 0
+10:9/0/terrains_peering_bit/bottom_right_corner = 0
+10:9/0/terrains_peering_bit/bottom_side = 0
+10:9/0/terrains_peering_bit/bottom_left_corner = 0
+10:9/0/terrains_peering_bit/left_side = 0
+10:9/0/terrains_peering_bit/top_side = 0
+10:9/0/terrains_peering_bit/top_right_corner = 0
 11:9/0 = 0
 12:9/0 = 0
 13:9/0 = 0
@@ -347,32 +314,26 @@ texture_region_size = Vector2i(128, 128)
 15:9/0 = 0
 16:9/0 = 0
 17:9/0 = 0
-18:9/0 = 0
-19:9/0 = 0
-20:9/0 = 0
-21:9/0 = 0
-22:9/0 = 0
-23:9/0 = 0
-24:9/0 = 0
-25:9/0 = 0
-26:9/0 = 0
-27:9/0 = 0
-28:9/0 = 0
-29:9/0 = 0
-30:9/0 = 0
-31:9/0 = 0
-32:9/0 = 0
-33:9/0 = 0
-34:9/0 = 0
-35:9/0 = 0
 0:10/0 = 0
 1:10/0 = 0
 2:10/0 = 0
 3:10/0 = 0
 4:10/0 = 0
+4:10/0/terrain_set = 0
+4:10/0/terrain = 0
 5:10/0 = 0
+5:10/0/terrain_set = 0
+5:10/0/terrain = 0
+5:10/0/terrains_peering_bit/right_side = 0
 6:10/0 = 0
+6:10/0/terrain_set = 0
+6:10/0/terrain = 0
+6:10/0/terrains_peering_bit/right_side = 0
+6:10/0/terrains_peering_bit/left_side = 0
 7:10/0 = 0
+7:10/0/terrain_set = 0
+7:10/0/terrain = 0
+7:10/0/terrains_peering_bit/left_side = 0
 8:10/0 = 0
 9:10/0 = 0
 10:10/0 = 0
@@ -383,135 +344,25 @@ texture_region_size = Vector2i(128, 128)
 15:10/0 = 0
 16:10/0 = 0
 17:10/0 = 0
-18:10/0 = 0
-19:10/0 = 0
-20:10/0 = 0
-21:10/0 = 0
-22:10/0 = 0
-23:10/0 = 0
-24:10/0 = 0
-25:10/0 = 0
-26:10/0 = 0
-27:10/0 = 0
-28:10/0 = 0
-29:10/0 = 0
-30:10/0 = 0
-31:10/0 = 0
-32:10/0 = 0
-33:10/0 = 0
-34:10/0 = 0
-35:10/0 = 0
-0:11/0 = 0
-1:11/0 = 0
-2:11/0 = 0
-3:11/0 = 0
-4:11/0 = 0
-5:11/0 = 0
-6:11/0 = 0
-7:11/0 = 0
-8:11/0 = 0
-9:11/0 = 0
-10:11/0 = 0
-11:11/0 = 0
-12:11/0 = 0
-13:11/0 = 0
-14:11/0 = 0
-15:11/0 = 0
-16:11/0 = 0
-17:11/0 = 0
-18:11/0 = 0
-19:11/0 = 0
-20:11/0 = 0
-21:11/0 = 0
-22:11/0 = 0
-23:11/0 = 0
-24:11/0 = 0
-25:11/0 = 0
-26:11/0 = 0
-27:11/0 = 0
-28:11/0 = 0
-29:11/0 = 0
-30:11/0 = 0
-31:11/0 = 0
-32:11/0 = 0
-33:11/0 = 0
-34:11/0 = 0
-35:11/0 = 0
-0:12/0 = 0
-1:12/0 = 0
-2:12/0 = 0
-3:12/0 = 0
-4:12/0 = 0
-5:12/0 = 0
-6:12/0 = 0
-7:12/0 = 0
-8:12/0 = 0
-9:12/0 = 0
-10:12/0 = 0
-11:12/0 = 0
-12:12/0 = 0
-13:12/0 = 0
-14:12/0 = 0
-15:12/0 = 0
-16:12/0 = 0
-17:12/0 = 0
-18:12/0 = 0
-19:12/0 = 0
-20:12/0 = 0
-21:12/0 = 0
-22:12/0 = 0
-23:12/0 = 0
-24:12/0 = 0
-25:12/0 = 0
-26:12/0 = 0
-27:12/0 = 0
-28:12/0 = 0
-29:12/0 = 0
-30:12/0 = 0
-31:12/0 = 0
-32:12/0 = 0
-33:12/0 = 0
-34:12/0 = 0
-35:12/0 = 0
-0:13/0 = 0
-1:13/0 = 0
-2:13/0 = 0
-3:13/0 = 0
-4:13/0 = 0
-5:13/0 = 0
-6:13/0 = 0
-7:13/0 = 0
-8:13/0 = 0
-9:13/0 = 0
-10:13/0 = 0
-11:13/0 = 0
-12:13/0 = 0
-13:13/0 = 0
-14:13/0 = 0
-15:13/0 = 0
-16:13/0 = 0
-17:13/0 = 0
-18:13/0 = 0
-19:13/0 = 0
-20:13/0 = 0
-21:13/0 = 0
-22:13/0 = 0
-23:13/0 = 0
-24:13/0 = 0
-25:13/0 = 0
-26:13/0 = 0
-27:13/0 = 0
-28:13/0 = 0
-29:13/0 = 0
-30:13/0 = 0
-31:13/0 = 0
-32:13/0 = 0
-33:13/0 = 0
-34:13/0 = 0
-35:13/0 = 0
 8:6/0 = 0
 9:6/0 = 0
+1:7/0 = 0
+2:7/0 = 0
+3:7/0 = 0
+8:7/0 = 0
+8:7/0/terrain_set = 0
+8:7/0/terrain = 0
+8:7/0/terrains_peering_bit/right_side = 0
+8:7/0/terrains_peering_bit/bottom_side = 0
+8:7/0/terrains_peering_bit/bottom_left_corner = 0
+8:7/0/terrains_peering_bit/left_side = 0
+8:7/0/terrains_peering_bit/top_left_corner = 0
+8:7/0/terrains_peering_bit/top_side = 0
+8:7/0/terrains_peering_bit/top_right_corner = 0
 
 [resource]
 tile_size = Vector2i(128, 128)
+terrain_set_0/mode = 0
+terrain_set_0/terrain_0/name = "corruption"
+terrain_set_0/terrain_0/color = Color(0.368627, 0.411765, 0.129412, 1)
 sources/0 = SubResource("TileSetAtlasSource_yq8ar")
diff --git a/project.godot b/project.godot
index ffdf9e1..c96f054 100644
--- a/project.godot
+++ b/project.godot
@@ -11,5 +11,6 @@ config_version=5
 [application]
 
 config/name="Corupture"
+run/main_scene="res://scene/world.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://icon.svg"
diff --git a/scene/base.tscn b/scene/base.tscn
new file mode 100644
index 0000000..0ddcd33
--- /dev/null
+++ b/scene/base.tscn
@@ -0,0 +1,11 @@
+[gd_scene load_steps=2 format=3 uid="uid://bbsaqy4xm1ldf"]
+
+[ext_resource type="Script" path="res://scripts/Base.gd" id="1_0nxag"]
+
+[node name="Base" type="Node2D"]
+script = ExtResource("1_0nxag")
+
+[node name="ExpandTimer" type="Timer" parent="."]
+autostart = true
+
+[connection signal="timeout" from="ExpandTimer" to="." method="_on_expand_timer_timeout"]
diff --git a/scene/world.tscn b/scene/world.tscn
index 2597e9e..36d55d0 100644
--- a/scene/world.tscn
+++ b/scene/world.tscn
@@ -1,7 +1,9 @@
-[gd_scene load_steps=5 format=3 uid="uid://m0us5xqa3gnk"]
+[gd_scene load_steps=7 format=3 uid="uid://m0us5xqa3gnk"]
 
 [ext_resource type="Script" path="res://scripts/world.gd" id="1_yf6q1"]
 [ext_resource type="TileSet" uid="uid://d1sh6dy2w10b0" path="res://data/scifi_tileset.tres" id="2_sa7dm"]
+[ext_resource type="Script" path="res://scripts/Window.gd" id="3_bfjot"]
+[ext_resource type="Script" path="res://scripts/BuildingManager.gd" id="4_61js3"]
 
 [sub_resource type="FastNoiseLite" id="FastNoiseLite_teaou"]
 
@@ -16,12 +18,18 @@ noise_texture = SubResource("NoiseTexture2D_8pjar")
 tile_set = ExtResource("2_sa7dm")
 format = 2
 layer_0/name = "ground"
-layer_1/name = "environment"
+layer_1/name = "Cursor"
 layer_1/tile_data = PackedInt32Array()
-layer_2/name = "buildings"
+layer_2/name = "environment"
 layer_2/tile_data = PackedInt32Array()
+layer_3/name = "buildings"
+layer_3/tile_data = PackedInt32Array()
 
 [node name="Camera2D" type="Camera2D" parent="."]
-zoom = Vector2(0.05, 0.05)
+zoom = Vector2(0.3, 0.3)
 drag_horizontal_enabled = true
 drag_vertical_enabled = true
+script = ExtResource("3_bfjot")
+
+[node name="BuildingManager" type="Node2D" parent="."]
+script = ExtResource("4_61js3")
diff --git a/scripts/Base.gd b/scripts/Base.gd
new file mode 100644
index 0000000..3427c88
--- /dev/null
+++ b/scripts/Base.gd
@@ -0,0 +1,23 @@
+extends Node2D
+class_name Base
+
+@export var world_grid: TileMap
+var grid_loc
+var i = 1
+
+const curruption_directions := [Vector2i.LEFT, Vector2i.RIGHT, Vector2i.UP, Vector2i.DOWN]
+var corruption_tiles: Array[Vector2i] = []
+
+func _ready():
+	grid_loc = world_grid.local_to_map(position)
+	corruption_tiles.append(grid_loc)
+	world_grid.set_cell(Constants.TilemapLayers.BUILDINGS, grid_loc, 0, Vector2i(17,7))
+
+
+func _on_expand_timer_timeout():
+	var corrupt_tile = corruption_tiles.pick_random() + self.curruption_directions.pick_random()
+	while corruption_tiles.has(corrupt_tile):
+		corrupt_tile = corruption_tiles.pick_random() + self.curruption_directions.pick_random()
+	corruption_tiles.append(corrupt_tile)
+	world_grid.set_cells_terrain_connect(Constants.TilemapLayers.ENVIRONMENT, corruption_tiles, 0, 0)
+	i += 1
diff --git a/scripts/BuildingManager.gd b/scripts/BuildingManager.gd
new file mode 100644
index 0000000..50f2f2c
--- /dev/null
+++ b/scripts/BuildingManager.gd
@@ -0,0 +1,12 @@
+extends Node2D
+
+@onready var world_grid = $"../world_grid"
+var base = preload("res://scene/base.tscn")
+
+func _unhandled_input(event):
+	if event is InputEventMouseButton and event.is_pressed() and event.button_index == MOUSE_BUTTON_LEFT:
+		var build = base.instantiate()
+		build.position = get_global_mouse_position()
+		build.world_grid = world_grid
+		add_child(build)
+		#world_grid.set_cell(2, world_grid.local_to_map(get_global_mouse_position()), 0, Vector2i(16,2))
diff --git a/scripts/Window.gd b/scripts/Window.gd
new file mode 100644
index 0000000..e748efd
--- /dev/null
+++ b/scripts/Window.gd
@@ -0,0 +1,13 @@
+extends Camera2D
+
+@export var drag_sens: float = 2.0
+
+func _unhandled_input(event):
+	if event is InputEventMouseButton:
+		match event.button_index:
+			MOUSE_BUTTON_WHEEL_DOWN:
+				zoom -= Vector2(0.01, 0.01)
+			MOUSE_BUTTON_WHEEL_UP:
+				zoom += Vector2(0.01, 0.01)
+	if event is InputEventMouseMotion and Input.is_mouse_button_pressed(MOUSE_BUTTON_MIDDLE):
+		position -= event.relative * drag_sens / zoom
diff --git a/scripts/constants.gd b/scripts/constants.gd
new file mode 100644
index 0000000..04c0d01
--- /dev/null
+++ b/scripts/constants.gd
@@ -0,0 +1,9 @@
+extends Node
+class_name Constants
+
+enum TilemapLayers {
+	GROUND = 0,
+	CURSOR = 1,
+	ENVIRONMENT = 2,
+	BUILDINGS = 3,
+}
diff --git a/scripts/world.gd b/scripts/world.gd
index 7971fa0..c21d974 100644
--- a/scripts/world.gd
+++ b/scripts/world.gd
@@ -31,3 +31,8 @@ func _ready():
 	for region in noise_regions.size():
 		prints(region, noise_regions[region], temp_noise_reg.count(region))
 	#get_tree().quit()
+	
+func _process(delta):
+	var mouse_pos = world_grid.local_to_map(get_local_mouse_position())
+	world_grid.clear_layer(1)
+	world_grid.set_cell(1, mouse_pos,0,Vector2i(0,7))