Added left and right click events, fixed display details option/functionality, added function that safely removes the node and prevented addition of new roads if they are bounded by the same nodes (distance/length check)

src/simulator.zig

@@ -53,9 +53,18 @@ pub const Simulator = struct {
     /// every mouse event is checked here
     fn handleMouseInput(self: *Simulator) void {
         const pos = rl.getMousePosition();
-        if (!rl.isMouseButtonReleased(.left)) return;
 
+        if (rl.isMouseButtonReleased(.left)) {
+            self.leftClickEvent(pos);
+        }
+        else if (rl.isMouseButtonReleased(.right)) self.rightClickEvent();
+
+    }
+
+    fn leftClickEvent(self: *Simulator, pos: rl.Vector2) void {
         if (self.node_man.add(pos)) |node| {
+            if (self.node_man.temp_node.?.id == node.id) return;
+
             self.road_man.add(self.allocator, self.node_man.temp_node.?, node) catch |err| {
                 std.debug.panic("Error while attempting to add a road: {}\n", .{err});
             };
@@ -64,6 +73,13 @@ pub const Simulator = struct {
         }
     }
 
+    fn rightClickEvent(self: *Simulator) void {
+        if (self.node_man.temp_node) |node| {
+            self.node_man.removeNode(node);
+            self.node_man.temp_node = null;
+        }
+    }
+
     /// The main drawing function that is exposed upwards
     pub fn draw(self: *const Simulator) void {
         self.road_man.draw();
@@ -72,7 +88,8 @@ pub const Simulator = struct {
 
         rl.clearBackground(.light_gray);
     }
-    
+
+    /// Draws UI elements like text
     fn drawUI(self: *const Simulator) void {
         var buf: [1024]u8 = undefined;