Feat/auto layout

Sources/GameWidget/Commons/ModifierSystem/Context/FrameContext.swift

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+//
+//  File.swift
+//  
+//
+//  Created by rrbox on 2023/04/22.
+//
+
+import Foundation

Sources/GameWidget/Commons/Spacer.swift

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+//
+//  File.swift
+//  
+//
+//  Created by rrbox on 2023/04/23.
+//
+
+import Foundation

Sources/GameWidget/Commons/StructuringTools/Stack/Constraint.swift

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+//
+//  File.swift
+//  
+//
+//  Created by rrbox on 2023/04/22.
+//
+
+import Foundation

Sources/GameWidget/Commons/StructuringTools/Stack/HStack.swift

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+//
+//  HStack.swift
+//  
+//
+//  Created by rrbox on 2023/04/21.
+//
+
+import SpriteKit
+
+public struct HStack<T: WidgetTupleProtocol>: WidgetListElementType, SplittingFrameElementType {
+    let widgetTuple: T
+
+    public init(@WidgetTupleBuilder _ builder: () -> T) {
+        self.widgetTuple = builder()
+    }
+
+    public func addTo(buffer: inout [SKNode], frame: WidgetFrame, center: WidgetNotificationSystem) {
+        let size = CGSize(width: frame.size.width/CGFloat(self.widgetTuple.countOfNodes), height: frame.size.height)
+        var position = CGPoint(x: frame.position.x + (-frame.size.width/2) + (size.width/2), y: frame.position.y)// 左端四角形の中心の座標
+
+        let frames = (0...self.widgetTuple.countOfNodes-1).reduce(into: [WidgetFrame]()) { partialResult, i in
+            partialResult.append(WidgetFrame(position: position, padding: frame.padding, size: size))
+            position.x += size.width
+        }
+
+        self.widgetTuple.addTo(buffer: &buffer, frames: frames, center: center)
+    }
+
+}

Sources/GameWidget/Commons/StructuringTools/Stack/VStack.swift

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+//
+//  VStack.swift
+//  
+//
+//  Created by rrbox on 2023/04/21.
+//
+
+import SpriteKit
+
+public struct VStack<T: WidgetTupleProtocol>: WidgetListElementType, SplittingFrameElementType {
+    let widgetTuple: T
+
+    public init(@WidgetTupleBuilder _ builder: () -> T) {
+        self.widgetTuple = builder()
+    }
+
+    public func addTo(buffer: inout [SKNode], frame: WidgetFrame, center: WidgetNotificationSystem) {
+        // 等分されたサイズ
+        let size = CGSize(width: frame.size.width, height: frame.size.height/CGFloat(self.widgetTuple.countOfNodes))
+
+        // 四角形の左端頂点の座標
+        var position = CGPoint(x: frame.position.x, y: frame.position.y + (frame.size.height/2) - (size.height/2))
+
+        let frames = (0...self.widgetTuple.countOfNodes-1).reduce(into: [WidgetFrame]()) { partialResult, i in
+            partialResult.append(WidgetFrame(position: position, padding: frame.padding, size: size))
+            position.y -= size.height
+        }
+
+        self.widgetTuple.addTo(buffer: &buffer, frames: frames, center: center)
+    }
+
+}