具有重叠的两个圆的SwiftUI同步/遮罩修剪

import SwiftUI

struct ContentView: View {
    var body: some View {
        ZStack {
            Circle()
                .fill(Color.red)
                .frame(width: 200, height: 200)
                .offset(x: -50, y: 0)
            
            Circle()
                .fill(Color.blue)
                .frame(width: 200, height: 200)
                .offset(x: 50, y: 0)
        }
        .mask(
            Circle()
                .frame(width: 150, height: 150)
        )
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}