basic ECS spawner

addons/gecs/tests/components/c_position.gd

@@ -0,0 +1,14 @@
+## Test position component for observer performance tests
+class_name C_TestPosition
+extends Component
+
+@export var position: Vector3 = Vector3.ZERO : set = set_position
+
+func set_position(new_pos: Vector3):
+	var old_pos = position
+	position = new_pos
+	# Emit signal for observers to detect the change
+	property_changed.emit(self, "position", old_pos, new_pos)
+
+func _init(_position: Vector3 = Vector3.ZERO):
+	position = _position