         value: floor.visible,
          onChange: v => floor.visible = v
        },
        'Go Home': goHome
      });

      function eachCarPanel(cb) {
        const paintAlias = carModelData[selectedCar].paintAlias;
        scene.traverse(item => {
          if (~item.alias.indexOf(paintAlias)) {
            cb(item);
          }
        });
      }
    }
  </script>
</head>

<body>

  <canvas id="webgl-canvas">
    Your browser does not support the HTML5 canvas element.
  </canvas>

</body>
</html>