RealityKit＆＃x2013;无法加载Arview（找到无）

Question

我有Arview and Experience.RCProject文件，我试图在VC中打开，但问题是我的屏幕黑色。为什么？

import RealityKit
import UIKit
import ARKit

class ArVC: UIViewController, ARSCNViewDelegate {
    
    lazy var sceneView: ARSCNView = {
        let sceneView = ARSCNView()
        sceneView.delegate = self
        return sceneView
    }()
    
    var arView: ARView = {
        let arView = ARView()
        let boxAnchor = try! Experience.loadBox()
        arView.scene.anchors.append(boxAnchor)
        return arView
    }()

    override func viewDidLoad() {
        super.viewDidLoad()
        self.view.backgroundColor = .clear
    }
    
    func createView() {
        self.view.addSubview(sceneView)
        self.view.addSubview(self.sceneView)
        self.sceneView.snp.makeConstraints { make in
            make.centerY.centerX.equalToSuperview()
        }
        
        view.subviews.forEach {
            $0.translatesAutoresizingMaskIntoConstraints = false
        }
        
        self.sceneView.addSubview(self.arView)
        self.arView.snp.makeConstraints { make in
            make.centerX.centerY.equalToSuperview()
        }
    }
}

还有哪些其他选项可以以编程方式设置Arview？谢谢。

Answer 1

该测试代码可以解决问题。如果您要从头开始构建AR项目（通过选择简单的iOS应用模板，而不是ARKIT模板），请确保添加私密性 - 相机用法描述和所需的设备功能（项目0 = ARKIT） ） in info.plist 文件。

import RealityKit
import UIKit

class ViewController: UIViewController {
    
    var arView: ARView = {
        let arView = ARView(frame: .zero)
        let boxAnchor = try! Experience.loadBox()
        arView.scene.anchors.append(boxAnchor)
        return arView
    }()

    override func viewDidLoad() {
        super.viewDidLoad()
        self.view.backgroundColor = .red
        
        self.view.addSubview(self.arView)
            
        NSLayoutConstraint.activate([
            arView.topAnchor.constraint(equalTo: self.view.topAnchor),
            arView.leadingAnchor.constraint(equalTo: self.view.leadingAnchor),
            arView.bottomAnchor.constraint(equalTo: self.view.bottomAnchor),
            arView.trailingAnchor.constraint(equalTo: self.view.trailingAnchor)
        ])
        self.view.subviews.forEach {
            $0.translatesAutoresizingMaskIntoConstraints = false
        }
    }
}

另外，我注意到您添加了两次casteview。