Default screen with cards on it working

Set/SetGame.swift

@@ -0,0 +1,68 @@
+//
+//  SetGame.swift
+//  Set
+//
+//  Created by Oliver Hnát on 09.04.2023.
+//
+
+import Foundation
+import SwiftUI
+
+struct SetGame {
+    private var deck: Array<Card>
+    private(set) var cardsOnTable: Array<Card>
+
+    
+    init() {
+        var deck = SetGame.createCards()
+        deck.shuffle()
+        let cardsOnTable = Array(deck[0..<12])
+        deck.removeAll { card in
+            cardsOnTable.contains { $0 == card }
+        }
+        self.deck = deck
+        self.cardsOnTable = cardsOnTable
+    }
+    
+    private static func createCards() -> Array<SetGame.Card> {
+        let colors: Array<Color> = [.blue, .green, .red]
+        var deck: Array<SetGame.Card> = Array()
+        var id = 0
+        for symbol in CardSymbol.allCases {
+            for shading in CardShading.allCases {
+                for number in 1..<4 {
+                    for symbolColor in colors.indices {
+                        let newCard = SetGame.Card(id: id, shading: shading, symbol: symbol, color: colors[symbolColor], numberOnCard: number)
+                        deck.append(newCard)
+                        id += 1
+                    }
+                }
+            }
+        }
+        return deck
+    }
+    
+    mutating func newGame() {
+        var deck = SetGame.createCards()
+        deck.shuffle()
+        let cardsOnTable = Array(deck[0..<12])
+        deck.removeAll { card in
+            cardsOnTable.contains { $0 == card }
+        }
+        self.deck = deck
+        self.cardsOnTable = cardsOnTable
+    }
+    
+    
+    
+    struct Card: Identifiable, Equatable {
+        var id: Int
+        var shading: CardShading
+        var symbol: CardSymbol
+        var color: Color
+        var isMatched: Bool = false
+        var isSelected: Bool = false
+        var numberOnCard: Int
+    }
+    
+}