diff --git a/world/earth.gdshader b/world/earth.gdshader
new file mode 100644
index 0000000..4539078
--- /dev/null
+++ b/world/earth.gdshader
@@ -0,0 +1,21 @@
+shader_type canvas_item;
+
+varying vec2 world_position;
+uniform vec4 color : source_color;
+
+void vertex() {
+	world_position = (MODEL_MATRIX * vec4(VERTEX, 0.0, 1.0)).xy;
+}
+
+void fragment() {
+	if(length(world_position) <= 3000.) {
+		COLOR = color;
+	} else {
+		discard;
+	}
+}
+
+//void light() {
+//	// Called for every pixel for every light affecting the CanvasItem.
+//	// Uncomment to replace the default light processing function with this one.
+//}
diff --git a/world/earth.gdshader.uid b/world/earth.gdshader.uid
new file mode 100644
index 0000000..2a55864
--- /dev/null
+++ b/world/earth.gdshader.uid
@@ -0,0 +1 @@
+uid://ptqflyxta2qd
diff --git a/world/earth.tscn b/world/earth.tscn
index 4e1311b..e1d2498 100644
--- a/world/earth.tscn
+++ b/world/earth.tscn
@@ -1,8 +1,8 @@
-[gd_scene load_steps=11 format=3 uid="uid://jjoyj1ldafkf"]
+[gd_scene load_steps=13 format=3 uid="uid://jjoyj1ldafkf"]
 
 [ext_resource type="Script" uid="uid://vgxh2xdevat7" path="res://world/earth.gd" id="1_wxnww"]
-[ext_resource type="Script" uid="uid://b5fhsy1xlreco" path="res://world/draw_circle.gd" id="2_2bhor"]
 [ext_resource type="Script" uid="uid://m3vyyfk8gnma" path="res://world/grid.gd" id="3_2bhor"]
+[ext_resource type="Shader" uid="uid://ptqflyxta2qd" path="res://world/earth.gdshader" id="3_640fc"]
 [ext_resource type="PackedScene" uid="uid://djawvtdwp423v" path="res://buildings/room_temple.tscn" id="3_nihcy"]
 [ext_resource type="PackedScene" uid="uid://cmofmd0vf3hx3" path="res://buildings/room_haunted_house.tscn" id="4_ml5no"]
 [ext_resource type="PackedScene" uid="uid://dliwqqmrxldjh" path="res://buildings/room_bear_trap.tscn" id="4_r4pw8"]
@@ -13,6 +13,12 @@
 [sub_resource type="CircleShape2D" id="CircleShape2D_5i67w"]
 radius = 3000.0
 
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_abvrx"]
+shader = ExtResource("3_640fc")
+shader_parameter/color = Color(0, 0, 0, 1)
+
+[sub_resource type="QuadMesh" id="QuadMesh_ej0af"]
+
 [node name="Earth" type="Node2D"]
 script = ExtResource("1_wxnww")
 
@@ -22,9 +28,10 @@ collision_layer = 41
 [node name="CollisionShape2D" type="CollisionShape2D" parent="Ground"]
 shape = SubResource("CircleShape2D_5i67w")
 
-[node name="GroundVisual" type="Node2D" parent="Ground"]
-script = ExtResource("2_2bhor")
-radius = 3000.0
+[node name="MeshInstance2D" type="MeshInstance2D" parent="Ground"]
+material = SubResource("ShaderMaterial_abvrx")
+scale = Vector2(6000, 6000)
+mesh = SubResource("QuadMesh_ej0af")
 
 [node name="Grid" type="Node2D" parent="."]
 unique_name_in_owner = true