public override void OnInspectorGUI()
        {
            VehicleBehaviour vehicleBehaviour = (VehicleBehaviour)target;

            this.serializedObject.Update();

            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.PropertyField(vehicleModel);
            EditorGUILayout.EndHorizontal();

            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.PropertyField(physicsSphere);
            EditorGUILayout.EndHorizontal();

            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.PropertyField(vehicleBody);
            EditorGUILayout.EndHorizontal();

            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.PropertyField(vehicleType);
            vehicleBehaviour.VehicleWheelCount = (VehicleType)vehicleType.enumValueIndex;
            EditorGUILayout.EndHorizontal();

            if (vehicleType.enumValueIndex == 0)
            {
                DisplayTwoWheels();
                DisplayFourWheels();
            }
            else if (vehicleType.enumValueIndex == 1)
            {
                DisplayTwoWheels();
            }

            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.PropertyField(vehicleSettings);
            EditorGUILayout.EndHorizontal();

            serializedObject.ApplyModifiedProperties();

            if (GUILayout.Button("Update Vehicle Settings", GUILayout.MinHeight(100), GUILayout.Height(50)))
            {
                vehicleBehaviour.SetVehicleSettings();
            }
        }