我试图在sceneKit
场景的背景下运行mp4。视频似乎是通过打印语句执行的&状态栏显示大约50 fps。但是当应用程序在模拟器上打开时-我看到的只是一个黑屏。我可以让视频在典型的AVPlayer
中运行,但我不知道如何将其与场景工具包连接起来。
这是我的代码:
import UIKit
import AVKit
import SceneKit
class GameViewController: UIViewController {
var sceneView: SCNView!
//var scene: SCNScene!
var cameraNode: SCNNode!
override func viewDidLoad() {
super.viewDidLoad()
// Set the view's delegate
//sceneView.delegate = self
sceneView = self.view as! SCNView
// Show statistics such as fps and timing information
sceneView.showsStatistics = true
// Create a new scene
let scene = SCNScene()
// create and add a camera to the scene
let cameraNode = SCNNode()
cameraNode.camera = SCNCamera()
scene.rootNode.addChildNode(cameraNode)
// Set the scene to the view
sceneView.scene = scene
let movieFileURL = Bundle.main.url(forResource: "master", withExtension: "mp4")!
let player = AVPlayer(url:movieFileURL)
scene.background.contents = player
sceneView.play(nil) //without this line the movie was not playing
player.play()
}
override var shouldAutorotate: Bool {
return false
}
override var prefersStatusBarHidden: Bool {
return true
}
override var supportedInterfaceOrientations: UIInterfaceOrientationMask {
if UIDevice.current.userInterfaceIdiom == .phone {
return .allButUpsideDown
} else {
return .all
}
}
}
这是我打开应用程序时看到的:
任何帮助都将不胜感激,干杯!
最佳答案
这是在iOS模拟器中运行的,它使用OpenGL,如统计栏中所示。在Xcode 11和macOS Catalina中,它将使用金属渲染器,您应该可以看到视频。
如果在实际设备上运行应用程序,则还应显示视频。
sceneView.play(nil) //without this line the movie was not playing
为了达到同样的效果,
rendersContinuously
API稍微好一点,因为它没有隐式地引用动画。关于ios - 使用场景工具包无法在场景背景中看到视频,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/56770200/