- moved connect/disconnect functions, as if few graph exists, it woul…

…d be easier to manage this way

- thanks to above, helpers aren't needed anymore if user doesn't visualise graph using objects

objects/obj_editor/Mouse_54.gml

@@ -7,7 +7,7 @@
 			if (near.v != undefined) {
 				var _keys = ds_map_keys_to_array(near.v.connections);
 				for(var i = 0; i < array_length(_keys); i++) {
-					disconnect_points(global.my_graph, near.name, _keys[i]);
+					global.my_graph.disconnect(near.name, _keys[i]);
 				}
 			}
 
@@ -19,7 +19,7 @@
 		if (node1 > -1) {
 			node2 = instance_nearest(mouse_x, mouse_y, obj_node);
 			if (point_distance(mouse_x, mouse_y, node2.x, node2.y) < 50) {
-				disconnect_points(global.my_graph, node1.name, node2.name);
+				global.my_graph.disconnect(node1.name, node2.name);
 			}
 		} else {
 			event_perform(ev_mouse, ev_global_left_press);

readme.md

@@ -16,4 +16,10 @@ Zawiera te przykład dodawania/edytowania/wyświetlania grafu, który nie jest w
 
 ---
 
+Created by Piotr Gnys ([@gnysek](https://github.com/gnysek)).
+
+Managed by [GameMaker's Clan - gmclan.org](https://gmclan.org).
+
+You can freely use, modify, and re-distribute code. Of course it would be nice if you mention author in game credits, but this is not required.
+
 *GameMaker was previously known as GameMaker Studio 2.

scripts/connect_points/connect_points.gml

@@ -1,19 +1,5 @@
 /// @param {String} a
 /// @param {String} b
 function connect_points(gr, a, b){
-
-	if (a == b) return false;
-
-	var _va = gr.get_vertex(a);
-	var _vb = gr.get_vertex(b);
-	var _dist = objects_distance_by_name(a, b);
-
-	if (_va and _vb) {
-		_va.connect(_vb, _dist);
-		_vb.connect(_va, _dist); // back-version of connection
-	} else {
-		throw "one of vertices " + string(a) + "," + string(b) +" was not found";	
-	}
-
-	return true;
+	return gr.connect(a, b, objects_distance_by_name(a, b));
 }

scripts/graph/graph.gml

@@ -21,8 +21,43 @@ function graph() constructor {
 
 	/// @param {String} vertex
 	static remove = function(_vertex_id) {
+		if (self.vertices[? _vertex_id] != undefined) {
+			self.vertices[? _vertex_id].destroy();
 		ds_map_delete(self.vertices, _vertex_id);
 	}
+	}
+
+	static connect = function(a, b, _dist) {
+		if (a == b) return false;
+
+		var _va = self.get_vertex(a);
+		var _vb = self.get_vertex(b);
+
+		if (_va and _vb) {
+			_va.connect(_vb, _dist);
+			_vb.connect(_va, _dist); // back-version of connection
+		} else {
+			throw "one of vertices " + string(a) + "," + string(b) +" was not found";	
+		}
+
+		return true;
+	}
+
+	static disconnect = function(a, b) {
+		if (a == b) return false;
+
+		var _va = self.get_vertex(a);
+		var _vb = self.get_vertex(b);
+
+		if (_va and _vb) {
+			_va.disconnect(_vb.id);
+			_vb.disconnect(_va.id);
+		} else {
+			throw "one of vertices " + string(a) + "," + string(b) +" was not found";	
+		}
+
+		return true;
+	}
 
 	/// @return {Struct.vertex}
 	static get_vertex = function(id) {

scripts/graph_load/graph_load.gml

@@ -20,10 +20,11 @@ function graph_load() {
 			for(var i = 0; i < _total_nodes; i++) {
 				var _total_connections = ini_read_real("graph", "connections_" + _nodes_names[i], 0);
 				for(var j = 0; j < _total_connections; j++) {
-					connect_points(
-						g,
-						_nodes_names[i],
-						ini_read_string("graph", "connection_" + _nodes_names[i] + "_" + string(j), "") // connection instead connections (mind "s")
+					var _n1 = _nodes_names[i], _n2 = ini_read_string("graph", "connection_" + _nodes_names[i] + "_" + string(j), ""); // connection instead connections (mind "s")
+					g.connect(
+						_n1,
+						_n2, 
+						objects_distance_by_name(_n1, _n2)
 					);
 				}
 			}