Update index.html

public/index.html

@@ -40,19 +40,29 @@ async function activateXR() {
   scene.add(cube);
 
   // Set up the WebGLRenderer, which handles rendering to the session's base layer.
-const renderer = new THREE.WebGLRenderer({
-  alpha: true,
-  preserveDrawingBuffer: true,
-  canvas: canvas,
-  context: gl
-});
-renderer.autoClear = false;
-
-// The API directly updates the camera matrices.
-// Disable matrix auto updates so three.js doesn't attempt
-// to handle the matrices independently.
-const camera = new THREE.PerspectiveCamera();
-camera.matrixAutoUpdate = false;
+  const renderer = new THREE.WebGLRenderer({
+    alpha: true,
+    preserveDrawingBuffer: true,
+    canvas: canvas,
+    context: gl
+  });
+  renderer.autoClear = false;
+
+  // The API directly updates the camera matrices.
+  // Disable matrix auto updates so three.js doesn't attempt
+  // to handle the matrices independently.
+  const camera = new THREE.PerspectiveCamera();
+  camera.matrixAutoUpdate = false;
+  // Initialize a WebXR session using "immersive-ar".
+  const session = await navigator.xr.requestSession("immersive-ar");
+  session.updateRenderState({
+    baseLayer: new XRWebGLLayer(session, gl)
+  });
+
+  // A 'local' reference space has a native origin that is located
+  // near the viewer's position at the time the session was created.
+  const referenceSpace = await session.requestReferenceSpace('local');
+
 
 
 }