gesture recognizer

ViewController.swift

// MARK: - Private
extension ViewController {
    @objc func tapped(recognizer: UIGestureRecognizer) {
        guard let currentFrame = self.sceneView.session.currentFrame,
            	let url = URL(string: "https://www.supercharge.io") else {
            return
        }

        webView.loadRequest(URLRequest(url: url))

        let browserPlane = SCNPlane(width: 1.0, height: 0.75)
        browserPlane.firstMaterial?.diffuse.contents = webView
        browserPlane.firstMaterial?.isDoubleSided = true

        let browserPlaneNode = SCNNode(geometry: browserPlane)

        var translation = matrix_identity_float4x4
        translation.columns.3.z = -1.0

        browserPlaneNode.simdTransform = matrix_multiply(currentFrame.camera.transform, translation)
        browserPlaneNode.eulerAngles = SCNVector3Zero

        self.sceneView.scene.rootNode.addChildNode(browserPlaneNode)
    }

    private func loopCoreMLUpdate() {
        serialQueue.async {
            self.updateCoreML()
            self.loopCoreMLUpdate()
        }
    }
}