docs

src/views/three/3/index.vue

@@ -31,6 +31,9 @@ function initModel() {
   )
   camera.position.set(0, 2, 12)
 
+  const cameraHelper = new THREE.CameraHelper(camera)
+  scene.add(cameraHelper)
+
   renderer = new THREE.WebGLRenderer({ antialias: true })
   renderer.setSize(width, height)
   renderer.shadowMap.enabled = true