SceneKit: how to recreate lighting from Google Poly for same OBJ file?
问题 The goal is to recreate the lighting for this OBJ file: https://poly.google.com/view/cKryD9VnDEZ Code to load OBJ file into SceneKit (can download file from above link): let modelPath = "model.obj" let url = NSURL(string: modelPath) let scene = SCNScene(named: modelPath)! sceneView.autoenablesDefaultLighting = true sceneView.allowsCameraControl = true sceneView.scene = scene sceneView.backgroundColor = UIColor.white Options tried so far: 1) The default ambient lighting is much harsher than