Landmarks/Landmarks/Draw/Badge.swift

//
//  Badge.swift
//  Landmarks
//
//  Created by SRS on 2020/3/22.
//  Copyright © 2020 agora. All rights reserved.
//

import SwiftUI

struct Badge: View {
    
    static let rotationCount = 8
    
    var badgeSymbols: some View {
        ForEach(0..<Badge.rotationCount) { i in
            RotatedBadgeSymbol(
                angle: .degrees(Double(i) / Double(Badge.rotationCount)) * 360.0
            )
        }
        .opacity(0.5)
    }
    
    var body: some View {
        
        ZStack {
            BadgeBackground()
            GeometryReader { geometry in

                self.badgeSymbols.scaleEffect(1.0 / 4.0, anchor: .top)
                .position(x: geometry.size.width / 2.0, y: (3.0 / 4.0) * geometry.size.height)

            }
            .scaledToFit()
        }
    }
}

struct Badge_Previews: PreviewProvider {
    static var previews: some View {
        Badge().previewLayout(.fixed(width: 200, height: 200))
    }
}