Fix Seek/Flee demo boundaries not drawn correctly

Closes #27

project/demos/SeekFlee/Boundaries.gd

@@ -0,0 +1,30 @@
+extends Node2D
+
+
+const COLOR := Color("8fde5d")
+
+
+func _ready() -> void:
+	get_tree().root.connect("size_changed", self, "_on_SceneTree_size_changed")
+
+
+func _draw() -> void:
+	for b in get_children():
+		var extents: Vector2 = b.get_node("CollisionShape2D").shape.extents
+		draw_rect(Rect2(b.global_position-extents, extents*2), COLOR)
+
+
+func _on_SceneTree_size_changed() -> void:
+	var size := get_tree().root.size
+	for b in get_children():
+		var boundary: String = b.name.rsplit("Boundary")[0]
+		match boundary:
+			"Left":
+				b.global_position = Vector2(0, size.y/2)
+			"Right":
+				b.global_position = Vector2(size.x, size.y/2)
+			"Top":
+				b.global_position = Vector2(size.x/2, 0)
+			"Bottom":
+				b.global_position = Vector2(size.x/2, size.y)
+	update()

project/demos/SeekFlee/Boundary.gd

@@ -1,16 +0,0 @@
-extends StaticBody2D
-# Draws the bounding box of the static body wall.
-
-
-const COLOR := Color("8fde5d")
-
-var rect: Rect2
-
-
-func _ready() -> void:
-	var extents: Vector2 = $CollisionShape2D.shape.extents
-	rect = Rect2(-extents, extents*2)
-
-
-func _draw() -> void:
-	draw_rect(rect, COLOR)

project/demos/SeekFlee/SeekFleeDemo.tscn

@@ -1,6 +1,5 @@
 [gd_scene load_steps=12 format=2]
 
-[ext_resource path="res://demos/SeekFlee/Boundary.gd" type="Script" id=1]
 [ext_resource path="res://demos/SeekFlee/Player.gd" type="Script" id=2]
 [ext_resource path="res://demos/SeekFlee/SeekFleeDemo.gd" type="Script" id=3]
 [ext_resource path="res://demos/SeekFlee/Spawner.gd" type="Script" id=4]
@@ -8,6 +7,7 @@
 [ext_resource path="res://demos/SeekFlee/Seeker.tscn" type="PackedScene" id=6]
 [ext_resource path="res://demos/Utils/CircleDraw.gd" type="Script" id=7]
 [ext_resource path="res://demos/Utils/BackgroudLayer.tscn" type="PackedScene" id=8]
+[ext_resource path="res://demos/SeekFlee/Boundaries.gd" type="Script" id=9]
 
 [sub_resource type="CircleShape2D" id=1]
 radius = 32.0
@@ -35,44 +35,39 @@ inner_color = Color( 0.235294, 0.639216, 0.439216, 1 )
 outer_color = Color( 0.560784, 0.870588, 0.364706, 1 )
 stroke = 4.0
 
-[node name="LeftBoundary" type="StaticBody2D" parent="."]
+[node name="Boundaries" type="Node2D" parent="."]
+script = ExtResource( 9 )
+
+[node name="LeftBoundary" type="StaticBody2D" parent="Boundaries"]
 position = Vector2( 0, 300 )
 collision_layer = 2
 collision_mask = 5
-script = ExtResource( 1 )
 
-[node name="CollisionShape2D" type="CollisionShape2D" parent="LeftBoundary"]
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Boundaries/LeftBoundary"]
-position = Vector2( 0, 246 )
 shape = SubResource( 2 )
 
-[node name="RightBoundary" type="StaticBody2D" parent="."]
+[node name="RightBoundary" type="StaticBody2D" parent="Boundaries"]
 position = Vector2( 1024, 300 )
 collision_layer = 2
 collision_mask = 5
-script = ExtResource( 1 )
 
-[node name="CollisionShape2D" type="CollisionShape2D" parent="RightBoundary"]
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Boundaries/RightBoundary"]
-position = Vector2( 898, 242 )
 shape = SubResource( 2 )
 
-[node name="TopBoundary" type="StaticBody2D" parent="."]
+[node name="TopBoundary" type="StaticBody2D" parent="Boundaries"]
 position = Vector2( 512, 2.00002 )
 collision_layer = 2
 collision_mask = 5
-script = ExtResource( 1 )
 
-[node name="CollisionShape2D" type="CollisionShape2D" parent="TopBoundary"]
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Boundaries/TopBoundary"]
-position = Vector2( 472.348, 0 )
 shape = SubResource( 3 )
 
-[node name="BottomBoundary" type="StaticBody2D" parent="."]
+[node name="BottomBoundary" type="StaticBody2D" parent="Boundaries"]
 position = Vector2( 512, 600 )
 collision_layer = 2
 collision_mask = 5
-script = ExtResource( 1 )
 
-[node name="CollisionShape2D" type="CollisionShape2D" parent="BottomBoundary"]
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Boundaries/BottomBoundary"]
-position = Vector2( 436.348, 472.348 )
 shape = SubResource( 3 )
 
 [node name="Spawner" type="Node2D" parent="."]

project/project.godot

@@ -9,7 +9,7 @@
 config_version=4
 
 _global_script_classes=[ {
-"base": "Control",
+"base": "CenterContainer",
 "class": "DemoPickerUI",
 "language": "GDScript",
 "path": "res://demos/DemoPickerUI.gd"
@@ -200,11 +200,7 @@ config/icon="res://icon.png"
 
 [display]
 
-window/size/width=1920
-window/size/height=1080
 window/size/always_on_top=true
-window/stretch/mode="2d"
-window/stretch/aspect="expand"
 
 [input]