# Update lottery.

Author: Jinxiansen

Example/Example/Page/Lottery/LotteryControl.swift

@@ -10,14 +10,13 @@ import Foundation
 
 class LotteryControl: ObservableObject {
     @Published var rotation = 0.0
-    var index = 8
-    var angle: Double {
-        360 / Double(index)
+    let index = 8
+    var angle: Double { 360 / Double(index) }
+    
+    init() {
+        print("init runed:\(angle)")
+        Timer.scheduledTimer(withTimeInterval: 0.1, repeats: true) { (timer) in
+            self.rotation += 30
+        }
     }
-       init() {
-           print("init runed")
-           Timer.scheduledTimer(withTimeInterval: 0.1, repeats: true) { (timer) in
-               self.rotation += 30
-           }
-       }
 }

Example/Example/Page/Lottery/LotteryView.swift

@@ -9,21 +9,27 @@
 import SwiftUI
 
 struct LotteryView: View {
-
-   @ObservedObject var control = LotteryControl()
+    
+    @ObservedObject var control = LotteryControl()
 
     let colors = [Color.red, .black, .gray, .green, .blue, .orange, .yellow, .purple]
-
+    
     var body: some View {
         ZStack {
             ForEach(0..<control.index, id: \.self) { idx in
                 Path { path in
-                            path.move(to: CGPoint(x: 150, y: 150))
-                    path.addArc(center: CGPoint(x: 150, y: 150), radius: 150, startAngle: Angle(degrees: Double(idx) * self.control.angle), endAngle: Angle(degrees: Double(idx+1) * self.control.angle), clockwise: false)
-                            path.addLine(to: CGPoint(x: 150, y: 150))
+                    path.move(to: CGPoint(x: 150, y: 150))
+                    path.addArc(center: CGPoint(x: 150, y: 150),
+                                radius: 150,
+                                startAngle: Angle(degrees: Double(idx) * self.control.angle),
+                                endAngle: Angle(degrees: Double(idx+1) * self.control.angle),
+                                clockwise: false)
+                    path.addLine(to: CGPoint(x: 150, y: 150))
                 }.fill(self.colors[idx%self.colors.count])
             }
-        }.frame(width: 300, height: 300, alignment: .center).rotationEffect(.degrees(control.rotation))
+        }.frame(width: 300, height: 300,
+                alignment: .center)
+            .rotationEffect(.degrees(control.rotation))
     }
 }