Severance screentest

severance.swift

import SwiftUI

struct ContentView: View {
    
    let rows = Array(repeating: GridItem(), count: 10)
    
    @State var change: Bool = false {
        didSet {
            toggle()
        }
    }
    
    var move = (1...9).map( {_ in CGFloat.random(in: -5...6)} )
    var nums = Array(0...9).shuffled()
    
    var body: some View {
        ZStack {
            RadialGradient(colors: [Color(hex: "101D3F"), Color(hex: "040D29")], center: .center, startRadius: 0, endRadius: 400)
            LazyHGrid(rows: rows) {
                ForEach(1 ..< 140) { item in
                    Text(nums[Int(item % 9)])
                        .foregroundColor(Color(hex: "00A6D9"))
                        .font(.subheadline.monospacedDigit())
                        .bold()
                        .padding()
                        .offset(x: move.randomElement() ?? 0, y: move.randomElement() ?? 0)
                        .animation(.interpolatingSpring(stiffness: 0.5, damping: 0.5), value: change)
                        .blur(radius: 1)
                    // shadow looks really slick, but on simulator it lags quite a bit. Device should be fine.
                    //                    .shadow(color: Color(hex: "00A6D9"), radius: 5, x: 0, y: 0)
                }
            }
            .font(.largeTitle)
            .onAppear {
                change.toggle()
            }
        }
        .edgesIgnoringSafeArea(.all)
    }
    
    func toggle() {
        DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
            change.toggle()
        }
    }
}

extension Color {
    public init(hex: String) {
        var hexSanitized = hex.trimmingCharacters(in: .whitespacesAndNewlines)
        hexSanitized = hexSanitized.replacingOccurrences(of: "#", with: "")
        
        var rgb: UInt64 = 0
        
        var red: Double = 0.0
        var green: Double = 0.0
        var blue: Double = 0.0
        var opacity: Double = 1.0
        
        let length = hexSanitized.count
        
        guard Scanner(string: hexSanitized).scanHexInt64(&rgb) && length > 5 else { self.init(.displayP3, red: 0, green: 255, blue: 0)
            return
        }
        
        if length == 6 {
            red = Double((rgb & 0xFF0000) >> 16) / 255.0
            green = Double((rgb & 0x00FF00) >> 8) / 255.0
            blue = Double(rgb & 0x0000FF) / 255.0
            
        } else if length == 8 {
            red = Double((rgb & 0xFF000000) >> 24) / 255.0
            green = Double((rgb & 0x00FF0000) >> 16) / 255.0
            blue = Double((rgb & 0x0000FF00) >> 8) / 255.0
            opacity = Double(rgb & 0x000000FF) / 255.0
            
        } else {
            self.init(.displayP3, red: 0, green: 255, blue: 0)
        }
        
        self.init(.displayP3, red: red, green: green, blue: blue, opacity: opacity)
    }
}