    this.el.object3D.position.y-=0.001; // stop z-fighting
          }
        }
      });
    </script>
  </head>
  <body>
    <a-scene
      reflection="directionalLight: a-light[type=directional]"
      ar-hit-test="target: #objects;"
      renderer="colorManagement: true; exposure: 1; toneMapping: ACESFilmic"
      shadow="type: pcfsoft"
      xr-mode-ui="XRMode: xr"
    >
      <a-light type="directional" light="castShadow:true;" position="1 1 1" intensity="1.57" shadow-camera-automatic="#objects"></a-