ios - 如何知道检测到的节点在 ARKit 中是垂直的还是水平的？

Question

让配置 = ARWorldTrackingConfiguration()configuration.planeDetection = [.horizo​​ntal, .vertical]

如何在他们的委托(delegate)方法中知道检测到的平面是水平的还是垂直的？

func renderer(_ renderer: SCNSceneRenderer, didAdd node: SCNNode, for anchor: ARAnchor)

Answer 1

一个 ARPlaneAnchor 有一个 alignment 属性，它描述了:

The general orientation of the detected plane with respect to gravity.

因此，如果您想记录对齐，您可以这样做:

func renderer(_ renderer: SCNSceneRenderer, didAdd node: SCNNode, for anchor: ARAnchor) {

        //1. Check We Have A Valid ARPlaneAnchor
        guard let planeAnchor = anchor as? ARPlaneAnchor else { return }

        //2. Get It's Alignment
        if planeAnchor.alignment == .horizontal{

            print("The ARPlaneAnchor Alignment == Horizontal")

        }else if planeAnchor.alignment == .vertical{

            print("The ARPlaneAnchor Alignment == Vertical")

        }

 }

希望对你有帮助