RealityView with a grid of animating cloned turkey model entities

TurkeyClonesAnimationView.swift

import SwiftUI
import RealityKit

struct TurkeyClonesAnimationView: View {
    let scale: Float = 0.02
    let horizontalCount: Int = 4
    let horizontalSpacing: Float = 0.0375
    let verticalCount: Int = 2
    let verticalSpacing: Float = 0.05

    var body: some View {
        RealityView { content in
            let modelEntity = try! await loadModelEntity()
            for yIndex in 0...verticalCount {
                for xIndex in 0...horizontalCount {
                    let clone = modelEntity.clone(recursive: false)
                    clone.transform.translation.x -= (horizontalSpacing*Float(horizontalCount)*0.5 - horizontalSpacing * Float(xIndex))
                    clone.transform.translation.y -= (verticalSpacing*Float(verticalCount)*0.5 - verticalSpacing * Float(yIndex))
                    content.add(clone)
                    
                    for animation in clone.availableAnimations {
                        clone.playAnimation(animation.repeat(duration: .infinity),
                                            transitionDuration: 0,
                                            startsPaused: false)
                    }
                }
            }
        }
    }
    
    func loadModelEntity(url: URL = URL(string: "https://matt54.github.io/Resources/Animation_Walking.usdz")!) async throws -> ModelEntity {
        let (downloadedURL, _) = try await URLSession.shared.download(from: url)
        let documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
        let destinationURL = documentsDirectory.appendingPathComponent("downloadedModel.usdz")
        if FileManager.default.fileExists(atPath: destinationURL.path) {
            try FileManager.default.removeItem(at: destinationURL)
        }
        try FileManager.default.moveItem(at: downloadedURL, to: destinationURL)
        let entity = try await ModelEntity.init(contentsOf: destinationURL)
        try FileManager.default.removeItem(at: destinationURL)
        entity.scale *= 0.02
        entity.transform.translation.y -= 0.1
        return entity
    }
}

#Preview {
    TurkeyClonesAnimationView()
}