mera, renderer, destroy} = _makeRenderer();
const layers = [renderer.domElement];

const ambientLight = new THREE.AmbientLight(0x808080);
scene.add(ambientLight);

const directionalLight = new THREE.DirectionalLight(0xFFFFFF, 1);
directionalLight.position.set(1, 1, 1);
scene.add(directionalLight);

// controller meshes

const controllerGeometry = new THREE.BoxBufferGeometry(0.05, 0.1, 0.01);
const controllerMaterial = new THREE.MeshPhongMaterial({
  color: 0x4caf50,
});
const controllerMeshes = Array(2);
fo