feat(view): 新增 pie 样式 view

新增 pie 样式 view

Signed-off-by: Ching <loooching@gmail.com>

Memorize.xcodeproj/project.pbxproj

@@ -15,6 +15,7 @@
 		245099F52998EC71000CE9DA /* EmojiMemoryGame.swift in Sources */ = {isa = PBXBuildFile; fileRef = 245099F42998EC71000CE9DA /* EmojiMemoryGame.swift */; };
 		24E748FC29993782009B5FE8 /* Constans.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24E748FB29993781009B5FE8 /* Constans.swift */; };
 		24E748FE299944F4009B5FE8 /* AspectVGrid.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24E748FD299944F4009B5FE8 /* AspectVGrid.swift */; };
+		24FE51AF299CED6F00798617 /* Pie.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24FE51AE299CED6F00798617 /* Pie.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -27,6 +28,7 @@
 		245099F42998EC71000CE9DA /* EmojiMemoryGame.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiMemoryGame.swift; sourceTree = "<group>"; };
 		24E748FB29993781009B5FE8 /* Constans.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Constans.swift; sourceTree = "<group>"; };
 		24E748FD299944F4009B5FE8 /* AspectVGrid.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AspectVGrid.swift; sourceTree = "<group>"; };
+		24FE51AE299CED6F00798617 /* Pie.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Pie.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -61,6 +63,7 @@
 			children = (
 				240EDC3E2998A3B900A46AC9 /* MemorizeApp.swift */,
 				240EDC402998A3B900A46AC9 /* EmojiMemoryGameView.swift */,
+				24FE51AE299CED6F00798617 /* Pie.swift */,
 				24E748FD299944F4009B5FE8 /* AspectVGrid.swift */,
 				24E748FB29993781009B5FE8 /* Constans.swift */,
 				245099F22998EAD6000CE9DA /* MemoryGame.swift */,
@@ -153,6 +156,7 @@
 				240EDC412998A3B900A46AC9 /* EmojiMemoryGameView.swift in Sources */,
 				24E748FE299944F4009B5FE8 /* AspectVGrid.swift in Sources */,
 				24E748FC29993782009B5FE8 /* Constans.swift in Sources */,
+				24FE51AF299CED6F00798617 /* Pie.swift in Sources */,
 				240EDC3F2998A3B900A46AC9 /* MemorizeApp.swift in Sources */,
 				245099F52998EC71000CE9DA /* EmojiMemoryGame.swift in Sources */,
 			);

Memorize/AspectVGrid.swift

@@ -11,15 +11,33 @@ struct AspectVGrid<Item, ItemView>: View where ItemView: View, Item: Identifiabl
     var items: [Item]
     var aspectRatio: CGFloat
     var content: (Item) -> ItemView
+    
+    init(items: [Item], aspectRatio: CGFloat, @ViewBuilder content: @escaping (Item) -> ItemView) {
+        self.items = items
+        self.aspectRatio = aspectRatio
+        self.content = content
+    }
+    
     var body: some View {
-        let width: CGFloat = 100
+        GeometryReader { geometry in
-        LazyVGrid(columns: [GridItem(.adaptive(minimum: width))]) {
+            VStack{
-            ForEach(items) {
+                let width: CGFloat = widthThatFits(itemCount: items.count, in:  geometry.size, itemAspectRatio: aspectRatio)
-                item in content(item).aspectRatio(aspectRatio, contentMode: .fit)
+                LazyVGrid(columns: [adaptiveGridItem(width: width)], spacing: 0) {
+                    ForEach(items) {
+                        item in content(item).aspectRatio(aspectRatio, contentMode: .fit)
+                    }
+                }
+                Spacer(minLength: 0)
             }
         }
     }
     
+    private func adaptiveGridItem(width: CGFloat) -> GridItem {
+        var gridItem = GridItem(.adaptive(minimum: width))
+        gridItem.spacing = 0
+        return gridItem
+    }
+
     private func widthThatFits(itemCount: Int, in size: CGSize, itemAspectRatio: CGFloat) -> CGFloat {
         var columCount = 1
         var rowCount = itemCount

Memorize/Constans.swift

@@ -10,11 +10,14 @@ import SwiftUI
 
 struct const {
     enum DrawingConstants {
-        static let cornerRadius: CGFloat = 20
+        static let cornerRadius: CGFloat = 10
         static let lineWidth: CGFloat = 3
-        static let fontScale: CGFloat = 0.8
+        static let fontScale: CGFloat = 0.7
         static let gridWidth: CGFloat = 80
         static let gridAspectRatio: CGFloat = 2 / 3
         static let matchedCardOpacity: Double = 0
+        static let gridPadding: CGFloat = 4
+        static let piePadding: CGFloat = 4
+        static let pieOpacity: CGFloat = 0.5
     }
 }

Memorize/EmojiMemoryGameView.swift

@@ -9,31 +9,28 @@ import SwiftUI
 
 struct EmojiMemoryGameView: View {
     @ObservedObject var game: EmojiMemoryGame
+
     var body: some View {
-//        ScrollView {
+        AspectVGrid(items: game.cards, aspectRatio: const.DrawingConstants.gridAspectRatio) {
-//            LazyVGrid(columns: [GridItem(.adaptive(minimum: const.DrawingConstants.gridWidth))]) {
+            card in
-//                ForEach(game.cards) {
+            if card.isMatched && !card.isFaceUp {
-//                    card in CardView(card: card).aspectRatio(const.DrawingConstants.gridAspectRatio, contentMode: .fit)
+                Rectangle().opacity(0)
-//                        .onTapGesture {
+            } else {
-//                            game.choose(card)
+                CardView(card: card)
-//                        }
+                    .padding(const.DrawingConstants.gridPadding)
-//                }
+                    .onTapGesture {
-//            }
+                        game.choose(card)
-//        }
+                    }
-//        .foregroundColor(/*@START_MENU_TOKEN@*/ .red/*@END_MENU_TOKEN@*/)
+            }
-//        .padding(.horizontal)
+        }
-        AspectVGrid(items: game.cards, aspectRatio: const.DrawingConstants.gridAspectRatio, content: {
+        .foregroundColor(.red)
-            card in CardView(card: card).aspectRatio(const.DrawingConstants.gridAspectRatio, contentMode: .fit)
+        .padding(.horizontal)
-                .onTapGesture {
-                    game.choose(card)
-                }
-        })
     }
+}
 
 struct CardView: View {
     let card: EmojiMemoryGame.Card
 
-
     var body: some View {
         GeometryReader { geometry in
             ZStack {
@@ -41,6 +38,10 @@ struct CardView: View {
                 if card.isFaceUp && !card.isMatched {
                     shape.fill().foregroundColor(.white)
                     shape.strokeBorder(lineWidth: const.DrawingConstants.lineWidth)
+                    Pie(startAngle: Angle(degrees: 270),
+                        endAngle: Angle(degrees: 380))
+                        .padding(const.DrawingConstants.piePadding)
+                        .opacity(const.DrawingConstants.pieOpacity)
                     Text(card.content).font(font(in: geometry.size))
                 } else if card.isMatched {
                     shape.opacity(const.DrawingConstants.matchedCardOpacity)
@@ -59,9 +60,10 @@ struct CardView: View {
 struct ContentView_Previews: PreviewProvider {
     static var previews: some View {
         let game = EmojiMemoryGame()
-        EmojiMemoryGameView(game: game)
+        game.choose(game.cards.first!)
-            .preferredColorScheme(.dark)
+        return EmojiMemoryGameView(game: game)
-        EmojiMemoryGameView(game: game)
+//            .preferredColorScheme(.dark)
+//        EmojiMemoryGameView(game: game)
             .preferredColorScheme(.light)
     }
 }

Memorize/Pie.swift

@@ -0,0 +1,37 @@
+//
+//  Pie.swift
+//  Memorize
+//
+//  Created by ching on 2023/2/15.
+//
+
+import SwiftUI
+
+struct Pie: Shape {
+    var startAngle: Angle
+    var endAngle: Angle
+    var clockwise = false
+
+    func path(in rect: CGRect) -> Path {
+        let center = CGPoint(x: rect.midX, y: rect.midY)
+        let radius = min(rect.height, rect.width) / 2
+        let start = CGPoint(
+            x: center.x + radius * CGFloat(cos(startAngle.radians)),
+            y: center.y + radius * CGFloat(sin(startAngle.radians))
+        )
+
+        var p = Path()
+        p.move(to: center)
+        p.addLine(to: start)
+        p.addArc(
+            center: center,
+            radius: radius,
+            startAngle: startAngle,
+            endAngle: endAngle,
+            clockwise: !clockwise
+        )
+        p.addLine(to: center)
+
+        return p
+    }
+}