NAT godot playground UI implementation skeleton

projects/nat-godot-playground/scripts/Playground.gd

@@ -0,0 +1,27 @@
+extends Control
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+var current_focus = null
+var current_focus_z = NAN
+
+func get_drag_data(position):
+	return current_focus
+
+func can_drop_data(position, data):
+	return data != null
+	
+func drop_data(position, data):
+	data.rect_position = position
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass