Some more fixes and some more errors

src/simulator.zig

@@ -77,15 +77,19 @@ pub const Simulator = struct {
         }
         else if (self.mode == .BUILD and rl.isMouseButtonReleased(.right)) {
             if (self.node_man.temp_node) |node| {
-                // todo
+                // todo proper error handling
                 self.node_man.removeNode(node) catch {};
             }
         }
         else if (self.mode == .DELETE and rl.isMouseButtonReleased(.left) and self.road_man.highlighted_road != null) {
-            // todo
+            const nodes = self.road_man.highlighted_road.?.nodes;
             self.road_man.remove(self.road_man.highlighted_road.?) catch |err| {
                     std.debug.panic("Failed to remove the road: {}\n", .{err});
             };
+
+            // todo proper error handling
+            self.node_man.removeNode(nodes[0]) catch {};
+            self.node_man.removeNode(nodes[1]) catch {};
         }
     }