First implementation of game logic and control

graph.cpp

@@ -25,12 +25,24 @@ bool Graph::vertex_present(int x, int y, int size)
 	return false;
 }
 
-void Graph::add_vertex(Vertex v)
+void Graph::add_vertex(int x, int y, int size)
 {
-    if (vertex_present(v.x, v.y)) return;
+    Vertex v;
+    v.x = x;
+    v.y = y;
+
+    v.x_min = x - size/2;
+    v.x_max = x + size/2;
+    v.y_min = y - size/2;
+    v.y_max = y + size/2;
+
+    if (vertex_present(v.x, v.y, 25)) return;
 
     vertices.push_back(v);
-    edges.push_back(Edge(last_vertex, v));
+    Edge e;
+    e.a = last_vertex;
+    e.b = v;
+    edges.push_back(e);
     last_vertex = v;
 }