问检测在3D模型上单击的节点

EN

func registerGestureRecognizer() {
    let tap = UITapGestureRecognizer(target: self, action: #selector(detectNode))
    self.sceneView.addGestureRecognizer(tap)
}

@objc func detectNode(_ sender: UITapGestureRecognizer) {
    let sceneView = sender.view as! ARSCNView
    let location = sender.location(in: sceneView)
    let results = sceneView.hitTest(location, options: [SCNHitTestOption.searchMode : 1])

    for result in results.filter( { $0.node.name != nil }) {
        if result.node.name == "Your node name" {
            // excuse some actions
        }
    }
}