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我正在为 iOS 11 创建一个 AR 应用程序,我想找到垂直物体的表面,如墙壁或任何具有高度的物体。我可以看到有一个平面检测水平的属性,它调用了一个委托方法:
- (void)renderer:(id <SCNSceneRenderer>)renderer didAddNode:(SCNNode *)node forAnchor:(ARAnchor *)anchor
那么有什么方法可以垂直检测表面吗?