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//
// ContentView.swift
// Body Tracking
//
// Created by Artyom Mihailovich on 9/7/20.
//
import SwiftUI
import RealityKit
import ARKit
import Combine
var character: BodyTrackedEntity?
let characterOffset: SIMD3<Float> = [-1.0, 0, 0]
let characterAnchor = AnchorEntity()
struct ContentView : View {
var body: some View {
return ARViewContainer().edgesIgnoringSafeArea(.all)
}
}
struct ARViewContainer: UIViewRepresentable {
func makeUIView(context: Context) -> ARView {
let arView = ARView(frame: .zero)
arView.setupARConfiguration()
arView.loadbody()
arView.scene.addAnchor(characterAnchor)
return arView
}
func updateUIView(_ uiView: ARView, context: Context) {}
}
extension ARView: ARSessionDelegate {
func setupARConfiguration() {
let configuration = ARBodyTrackingConfiguration()
self.session.run(configuration)
self.session.delegate = self
}
func loadbody(){
var cancellable: AnyCancellable? = nil
cancellable = Entity.loadBodyTrackedAsync(named: "robot.usdz").sink(
receiveCompletion: { completion in
if case let .failure(error) = completion {
print("Error: Unable to load model: \(error.localizedDescription)")
}
cancellable?.cancel()
}, receiveValue: { (character: Entity) in
if let character = character as? BodyTrackedEntity {
// 将角色缩放到人类大小
character.scale = [1.0, 1.0, 1.0]
cancellable?.cancel()
} else {
print("Error: Unable to load model as BodyTrackedEntity")
}
})
}
public func session(_ session: ARSession, didUpdate anchors: [ARAnchor]) {
for anchor in anchors {
guard let bodyAnchor = anchor as? ARBodyAnchor else { continue }
let bodyPosition = simd_make_float3(bodyAnchor.transform.columns.3)
characterAnchor.position = bodyPosition + characterOffset
characterAnchor.orientation = Transform(matrix: bodyAnchor.transform).rotation
if let character = character, character.parent == nil {
characterAnchor.addChild(character)
}
}
}
}
#if DEBUG
struct ContentView_Previews : PreviewProvider {
static var previews: some View {
ContentView()
}
}
#endif
sillyll
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This code first starts the human detection function (Func setupARConfiguration), then loads the model onto the character (Func loadbody) through asynchronous loading, and attaches the character to the CharacterAnchor (Func session) ，But it don't work , please help me!
This code first starts the human detection function (Func setupARConfiguration), then loads the model onto the character (Func loadbody) through asynchronous loading, and attaches the character to the CharacterAnchor (Func session) ，But it don't work , please help me!