SwiftUI 0/20

GlowingOrb.swift

import SwiftUI

struct GlowingSphere: View {
    @State private var rotationAngle: Double = 0
    @State private var scales: [CGFloat] = [1.0, 1.0, 1.0, 1.0]
    
    var body: some View {
        ZStack {
            // BG
           Color.black.edgesIgnoringSafeArea(.all)
            // Glowing Loop
            ForEach(0..<4) { layer in
                ForEach(0..<60) { i in
                    let R = 10 * Double.random(in: 0.1...1.0)
                    Circle()
                        .fill(Color.white.opacity(Double.random(in: 0.1...0.8)))
                        .frame(width: R, height: R)
                        .offset(y: -CGFloat(50 - layer * 10) * scales[layer])
                        .rotationEffect(.degrees(Double(i) * 6 + rotationAngle))
                }
            }
        }
        .onAppear {
            for i in 0..<4 {
                withAnimation(Animation.easeInOut(duration: 0.6).repeatForever(autoreverses: true).delay(Double(i) * 0.6/4)) {
                    scales[i] = 1.2
                }
            }
        }
    }
}

struct ContentView: View {
    var body: some View {
        GlowingSphere()
    }
}

#Preview {
    ContentView()
}