问题描述
真的坚持下去。 我正在尝试将ARView从MakeUIView传递给makeCoordinator 我真的需要在 @objc func handleTap
中使用ARViewstruct ARViewContainer: UIViewRepresentable{
func makeUIView(context: Context) -> ARView {
let myARView = ARView(frame: .zero)
//...config and things….
let tapGesture = UITapGestureRecognizer(target: context.coordinator,action: #selector(context.coordinator.handleTap(_:)))
myARView.addGestureRecognizer(tapGesture)
return myARView
}
func makeCoordinator() -> Coordinator {
Coordinator("whatshouldiusehere",self.$focusObject,self.$focusName)
}
class Coordinator: NSObject {
private let view: ARView
private var object: Binding<Entity?>
private var objectname: Binding<String?>
init(_ view: ARView,_ obj: Binding<Entity?>,_ objname: Binding<String?>) {
self.objectname = objname
self.object = obj
self.view = view
super.init()
}
@objc func handleTap(_ sender: UIGestureRecognizer? = nil) {
guard let touchInView = sender?.location(in: view) else {
return
}
guard let hitEntity = view.entity(at: touchInView) else {return}
//doing something with object here,assigning to @Binding for example
}
}
}
我无法将myARView = ARView(frame:.zero)从makeUIView移出,因为我正在使用SwiftUI,并且每次变量更改时都会将它初始化。 但是我怎样才能通过它呢? 或其他任何可以同时使用ARView访问Binding的选项。
解决方法
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