使用两个控制点时，SwiftUI圆形滑块问题无法显示正确的笔划

import SwiftUI

struct CustomSlider: View {
    @Binding var value: Double
    
    var body: some View {
        GeometryReader { geometry in
            ZStack {
                Circle()
                    .foregroundColor(.gray)
                
                Circle()
                    .trim(from: 0, to: CGFloat(self.value))
                    .stroke(style: StrokeStyle(lineWidth: 10, lineCap: .round))
                    .foregroundColor(.blue)
                    .rotationEffect(.degrees(-90))
            }
            .frame(width: min(geometry.size.width, geometry.size.height), height: min(geometry.size.width, geometry.size.height))
            .gesture(DragGesture(minimumDistance: 0)
                        .onChanged({ value in
                            let sliderWidth = min(geometry.size.width, geometry.size.height)
                            let sliderHeight = min(geometry.size.width, geometry.size.height)
                            let sliderCenter = CGPoint(x: sliderWidth / 2, y: sliderHeight / 2)
                            let touchLocation = value.location
                            
                            let angle = atan2(touchLocation.y - sliderCenter.y, touchLocation.x - sliderCenter.x) + .pi / 2
                            let value = (angle + .pi) / (2 * .pi)
                            
                            self.value = Double(value)
                        }))
        }
    }
}

struct ContentView: View {
    @State private var value: Double = 0.5
    
    var body: some View {
        VStack {
            CustomSlider(value: $value)
                .padding()
            
            Text("Value: \(value)")
        }
    }
}

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