Update index.html

public/index.html

@@ -24,7 +24,7 @@ async function activateXR() {
   const scene = new THREE.Scene();
 
 // Color of the torus geometry.
-const material = new THREE.MeshLambertMaterial({ color: 0xBF0DEF });
+const material = new THREE.MeshBasicMaterial({color: 0xff0000});
 
 // Create the torus and add it to the demo scene.
 const torus = new THREE.Mesh( new THREE.TorusKnotGeometry(0.3, 0.2, 64, 8, 2, 3), material);