Make sure that polygon's changed method is called even when the control points were only moved.

game/addons/mat_maker_gd/nodes/sdf2d/sd_shape_polygon.gd

@@ -24,6 +24,9 @@ func _register_methods(mm_graph_node) -> void:
 func get_property_value(uv : Vector2) -> float:
 	return SDF2D.sdPolygon(uv, points)
 
+func polygon_changed() -> void:
+	_polygon_changed()
+
 func _polygon_changed() -> void:
 	emit_changed()
 	output.emit_changed()

game/addons/mat_maker_gd/widgets/polygon_edit/polygon_dialog.gd

@@ -19,13 +19,14 @@ func _on_CurveDialog_popup_hide():
 
 func _on_OK_pressed():
 	emit_signal("polygon_changed", polygon)
+	polygon.polygon_changed()
 	
 	queue_free()
 
 func _on_Cancel_pressed():
 	polygon.set_points(previous_points)
 	emit_signal("polygon_changed", polygon)
-	
+
 	queue_free()
 
 func edit_polygon(poly):

game/addons/mat_maker_gd/widgets/polygon_edit/polygon_editor.gd

@@ -32,6 +32,7 @@ func update_controls() -> void:
 func _on_ControlPoint_moved(index):
 	var control_point = get_child(index)
 	polygon.points[index] = reverse_transform_point(control_point.rect_position+control_point.OFFSET)
+	
 	update()
 	
 	emit_signal("value_changed", polygon)